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[taylor/freespace2.git] / src / freespace2 / freespace.cpp
1 /*
2  * Copyright (C) Volition, Inc. 1999.  All rights reserved.
3  *
4  * All source code herein is the property of Volition, Inc. You may not sell 
5  * or otherwise commercially exploit the source or things you created based on
6  * the source.
7  */
8
9 /*
10  * $Logfile: /Freespace2/code/Freespace2/FreeSpace.cpp $
11  * $Revision$
12  * $Date$
13  * $Author$
14  *
15  * Freespace main body
16  *
17  * $Log$
18  * Revision 1.40  2005/10/01 21:40:38  taylor
19  * deal with OS X apps a little better, sets the path only based on ".app" in the name rather than the name itself
20  * make sure a global cmdline.cfg file works with OS X when built as an app
21  *
22  * Revision 1.39  2005/08/12 08:57:20  taylor
23  * don't show hardware S-RAM value on HUD in debug
24  * do show in use GL texture memory
25  * have an actual fade effect for the credits screen artwork
26  *
27  * Revision 1.38  2004/09/20 01:31:44  theoddone33
28  * GCC 3.4 fixes.
29  *
30  * Revision 1.37  2004/07/04 11:31:43  taylor
31  * amd64 support, compiler warning fixes, don't use software rendering
32  *
33  * Revision 1.36  2004/06/12 01:11:35  taylor
34  * x86 compile fixes for OSX patch
35  *
36  * Revision 1.35  2004/06/11 00:53:02  tigital
37  * OSX: .app name, casts for gcc
38  *
39  * Revision 1.34  2003/08/09 03:18:03  taylor
40  * fix tips popup not having any tips
41  *
42  * Revision 1.33  2003/08/03 15:57:00  taylor
43  * simpler mouse usage; default ini settings in os_init(); cleanup
44  *
45  * Revision 1.32  2003/06/19 11:51:41  taylor
46  * adjustments to memory leak fixes
47  *
48  * Revision 1.31  2003/06/11 18:30:32  taylor
49  * plug memory leaks
50  *
51  * Revision 1.30  2003/06/03 04:00:39  taylor
52  * Polish language support (Janusz Dziemidowicz)
53  *
54  * Revision 1.29  2003/05/25 02:30:42  taylor
55  * Freespace 1 support
56  *
57  * Revision 1.28  2003/05/18 03:55:30  taylor
58  * automatic language selection support
59  *
60  * Revision 1.27  2003/03/03 04:54:44  theoddone33
61  * Commit Taylor's ShowFPS fix
62  *
63  * Revision 1.26  2003/02/20 17:41:07  theoddone33
64  * Userdir patch from Taylor Richards
65  *
66  * Revision 1.25  2003/01/30 19:54:10  relnev
67  * ini config option for the frames per second counter (Taylor Richards)
68  *
69  * Revision 1.24  2002/08/31 01:39:13  theoddone33
70  * Speed up the renderer a tad
71  *
72  * Revision 1.23  2002/08/04 02:31:00  relnev
73  * make numlock not overlap with pause
74  *
75  * Revision 1.22  2002/08/02 23:07:03  relnev
76  * don't access the mouse in standalone mode
77  *
78  * Revision 1.21  2002/07/28 05:05:08  relnev
79  * removed some old stuff
80  *
81  * Revision 1.20  2002/07/24 00:20:41  relnev
82  * nothing interesting
83  *
84  * Revision 1.19  2002/06/17 06:33:08  relnev
85  * ryan's struct patch for gcc 2.95
86  *
87  * Revision 1.18  2002/06/16 04:46:33  relnev
88  * set up correct checksums for demo
89  *
90  * Revision 1.17  2002/06/09 04:41:17  relnev
91  * added copyright header
92  *
93  * Revision 1.16  2002/06/09 03:16:04  relnev
94  * added _splitpath.
95  *
96  * removed unneeded asm, old sdl 2d setup.
97  *
98  * fixed crash caused by opengl_get_region.
99  *
100  * Revision 1.15  2002/06/05 08:05:28  relnev
101  * stub/warning removal.
102  *
103  * reworked the sound code.
104  *
105  * Revision 1.14  2002/06/05 04:03:32  relnev
106  * finished cfilesystem.
107  *
108  * removed some old code.
109  *
110  * fixed mouse save off-by-one.
111  *
112  * sound cleanups.
113  *
114  * Revision 1.13  2002/06/02 04:26:34  relnev
115  * warning cleanup
116  *
117  * Revision 1.12  2002/06/02 00:31:35  relnev
118  * implemented osregistry
119  *
120  * Revision 1.11  2002/06/01 09:00:34  relnev
121  * silly debug memmanager
122  *
123  * Revision 1.10  2002/06/01 07:12:32  relnev
124  * a few NDEBUG updates.
125  *
126  * removed a few warnings.
127  *
128  * Revision 1.9  2002/05/31 03:05:59  relnev
129  * sane default
130  *
131  * Revision 1.8  2002/05/29 02:52:32  theoddone33
132  * Enable OpenGL renderer
133  *
134  * Revision 1.7  2002/05/28 08:52:03  relnev
135  * implemented two assembly stubs.
136  *
137  * cleaned up a few warnings.
138  *
139  * added a little demo hackery to make it progress a little farther.
140  *
141  * Revision 1.6  2002/05/28 06:28:20  theoddone33
142  * Filesystem mods, actually reads some data files now
143  *
144  * Revision 1.5  2002/05/28 04:07:28  theoddone33
145  * New graphics stubbing arrangement
146  *
147  * Revision 1.4  2002/05/27 22:46:52  theoddone33
148  * Remove more undefined symbols
149  *
150  * Revision 1.3  2002/05/26 23:31:18  relnev
151  * added a few files that needed to be compiled
152  *
153  * freespace.cpp: now compiles
154  *
155  * Revision 1.2  2002/05/07 03:16:44  theoddone33
156  * The Great Newline Fix
157  *
158  * Revision 1.1.1.1  2002/05/03 03:28:09  root
159  * Initial import.
160  *
161  * 
162  * 201   6/16/00 3:15p Jefff
163  * sim of the year dvd version changes, a few german soty localization
164  * fixes
165  * 
166  * 200   11/03/99 11:06a Jefff
167  * 1.2 checksums
168  * 
169  * 199   10/26/99 5:07p Jamest
170  * fixed jeffs dumb debug code
171  * 
172  * 198   10/25/99 5:53p Jefff
173  * call control_config_common_init() on startup
174  * 
175  * 197   10/14/99 10:18a Daveb
176  * Fixed incorrect CD checking problem on standalone server.
177  * 
178  * 196   10/13/99 9:22a Daveb
179  * Fixed Fred jumpnode placing bug. Fixed 1024 glide tiled texture problem
180  * related to movies. Fixed launcher spawning from PXO screen.
181  * 
182  * 195   10/06/99 11:05a Jefff
183  * new oem upsell 3 hotspot coords
184  * 
185  * 194   10/06/99 10:31a Jefff
186  * OEM updates
187  * 
188  * 193   10/01/99 9:10a Daveb
189  * V 1.1 PATCH
190  * 
191  * 192   9/15/99 4:57a Dave
192  * Updated ships.tbl checksum
193  * 
194  * 191   9/15/99 3:58a Dave
195  * Removed framerate warning at all times.
196  * 
197  * 190   9/15/99 3:16a Dave
198  * Remove mt-011.fs2 from the builtin mission list.
199  * 
200  * 189   9/15/99 1:45a Dave
201  * Don't init joystick on standalone. Fixed campaign mode on standalone.
202  * Fixed no-score-report problem in TvT
203  * 
204  * 188   9/14/99 6:08a Dave
205  * Updated (final) single, multi, and campaign list.
206  * 
207  * 187   9/14/99 3:26a Dave
208  * Fixed laser fogging problem in nebula (D3D)> Fixed multiplayer
209  * respawn-too-early problem. Made a few crash points safe.
210  * 
211  * 186   9/13/99 4:52p Dave
212  * RESPAWN FIX
213  * 
214  * 185   9/12/99 8:09p Dave
215  * Fixed problem where skip-training button would cause mission messages
216  * not to get paged out for the current mission.
217  * 
218  * 184   9/10/99 11:53a Dave
219  * Shutdown graphics before sound to eliminate apparent lockups when
220  * Directsound decides to be lame. Fix TOPMOST problem with D3D windows.
221  * 
222  * 183   9/09/99 11:40p Dave
223  * Handle an SDL_assert() in beam code. Added supernova sounds. Play the right
224  * 2 end movies properly, based upon what the player did in the mission.
225  * 
226  * 182   9/08/99 10:29p Dave
227  * Make beam sound pausing and unpausing much safer.
228  * 
229  * 181   9/08/99 10:01p Dave
230  * Make sure game won't run in a drive's root directory. Make sure
231  * standalone routes suqad war messages properly to the host.
232  * 
233  * 180   9/08/99 3:22p Dave
234  * Updated builtin mission list.
235  * 
236  * 179   9/08/99 12:01p Jefff
237  * fixed Game_builtin_mission_list typo on Training-2.fs2
238  * 
239  * 178   9/08/99 9:48a Andsager
240  * Add force feedback for engine wash.
241  * 
242  * 177   9/07/99 4:01p Dave
243  * Fixed up a string.tbl paroblem (self destruct message). Make sure IPX
244  * does everything properly (setting up address when binding). Remove
245  * black rectangle background from UI_INPUTBOX.
246  * 
247  * 176   9/13/99 2:40a Dave
248  * Comment in full 80 minute CD check for RELEASE_REAL builds.
249  * 
250  * 175   9/06/99 6:38p Dave
251  * Improved CD detection code.
252  * 
253  * 174   9/06/99 1:30a Dave
254  * Intermediate checkin. Started on enforcing CD-in-drive to play the
255  * game.
256  * 
257  * 173   9/06/99 1:16a Dave
258  * Make sure the user sees the intro movie.
259  * 
260  * 172   9/04/99 8:00p Dave
261  * Fixed up 1024 and 32 bit movie support.
262  * 
263  * 171   9/03/99 1:32a Dave
264  * CD checking by act. Added support to play 2 cutscenes in a row
265  * seamlessly. Fixed super low level cfile bug related to files in the
266  * root directory of a CD. Added cheat code to set campaign mission # in
267  * main hall.
268  * 
269  * 170   9/01/99 10:49p Dave
270  * Added nice SquadWar checkbox to the client join wait screen.
271  * 
272  * 169   9/01/99 10:14a Dave
273  * Pirate bob.
274  * 
275  * 168   8/29/99 4:51p Dave
276  * Fixed damaged checkin.
277  * 
278  * 167   8/29/99 4:18p Andsager
279  * New "burst" limit for friendly damage.  Also credit more damage done
280  * against large friendly ships.
281  * 
282  * 166   8/27/99 6:38p Alanl
283  * crush the blasted repeating messages bug
284  * 
285  * 164   8/26/99 9:09p Dave
286  * Force framerate check in everything but a RELEASE_REAL build.
287  * 
288  * 163   8/26/99 9:45a Dave
289  * First pass at easter eggs and cheats.
290  * 
291  * 162   8/24/99 8:55p Dave
292  * Make sure nondimming pixels work properly in tech menu.
293  * 
294  * 161   8/24/99 1:49a Dave
295  * Fixed client-side afterburner stuttering. Added checkbox for no version
296  * checking on PXO join. Made button info passing more friendly between
297  * client and server.
298  * 
299  * 160   8/22/99 5:53p Dave
300  * Scoring fixes. Added self destruct key. Put callsigns in the logfile
301  * instead of ship designations for multiplayer players.
302  * 
303  * 159   8/22/99 1:19p Dave
304  * Fixed up http proxy code. Cleaned up scoring code. Reverse the order in
305  * which d3d cards are detected.
306  * 
307  * 158   8/20/99 2:09p Dave
308  * PXO banner cycling.
309  * 
310  * 157   8/19/99 10:59a Dave
311  * Packet loss detection.
312  * 
313  * 156   8/19/99 10:12a Alanl
314  * preload mission-specific messages on machines greater than 48MB
315  * 
316  * 155   8/16/99 4:04p Dave
317  * Big honking checkin.
318  * 
319  * 154   8/11/99 5:54p Dave
320  * Fixed collision problem. Fixed standalone ghost problem.
321  * 
322  * 153   8/10/99 7:59p Jefff
323  * XSTR'ed some stuff
324  * 
325  * 152   8/10/99 6:54p Dave
326  * Mad optimizations. Added paging to the nebula effect.
327  * 
328  * 151   8/10/99 3:44p Jefff
329  * loads Intelligence information on startup
330  * 
331  * 150   8/09/99 3:47p Dave
332  * Fixed incorrect nebula regeneration. Default HUD to low-contrast in
333  * non-nebula missions.
334  * 
335  * 149   8/09/99 2:21p Andsager
336  * Fix patching from multiplayer direct to launcher update tab.
337  * 
338  * 148   8/09/99 10:36a Dave
339  * Version info for game.
340  * 
341  * 147   8/06/99 9:46p Dave
342  * Hopefully final changes for the demo.
343  * 
344  * 146   8/06/99 3:34p Andsager
345  * Make title version info "(D)" -> "D"  show up nicely
346  * 
347  * 145   8/06/99 2:59p Adamp
348  * Fixed NT launcher/update problem.
349  * 
350  * 144   8/06/99 1:52p Dave
351  * Bumped up MAX_BITMAPS for the demo.
352  * 
353  * 143   8/06/99 12:17p Andsager
354  * Demo: down to just 1 demo dog
355  * 
356  * 142   8/05/99 9:39p Dave
357  * Yet another new checksum.
358  * 
359  * 141   8/05/99 6:19p Dave
360  * New demo checksums.
361  * 
362  * 140   8/05/99 5:31p Andsager
363  * Up demo version 1.01
364  * 
365  * 139   8/05/99 4:22p Andsager
366  * No time limit on upsell screens.  Reverse order of display of upsell
367  * bitmaps.
368  * 
369  * 138   8/05/99 4:17p Dave
370  * Tweaks to client interpolation.
371  * 
372  * 137   8/05/99 3:52p Danw
373  * 
374  * 136   8/05/99 3:01p Danw
375  * 
376  * 135   8/05/99 2:43a Anoop
377  * removed duplicate definition.
378  * 
379  * 134   8/05/99 2:13a Dave
380  * Fixed build error.
381  * 
382  * 133   8/05/99 2:05a Dave
383  * Whee.
384  * 
385  * 132   8/05/99 1:22a Andsager
386  * fix upsell bug.
387  * 
388  * 131   8/04/99 9:51p Andsager
389  * Add title screen to demo
390  * 
391  * 130   8/04/99 6:47p Jefff
392  * fixed link error resulting from #ifdefs
393  * 
394  * 129   8/04/99 6:26p Dave
395  * Updated ship tbl checksum.
396  * 
397  * 128   8/04/99 5:40p Andsager
398  * Add multiple demo dogs
399  * 
400  * 127   8/04/99 5:36p Andsager
401  * Show upsell screens at end of demo campaign before returning to main
402  * hall.
403  * 
404  * 126   8/04/99 11:42a Danw
405  * tone down EAX reverb
406  * 
407  * 125   8/04/99 11:23a Dave
408  * Updated demo checksums.
409  * 
410  * 124   8/03/99 11:02p Dave
411  * Maybe fixed sync problems in multiplayer.
412  * 
413  * 123   8/03/99 6:21p Jefff
414  * minor text change
415  * 
416  * 122   8/03/99 3:44p Andsager
417  * Launch laucher if trying to run FS without first having configured
418  * system.
419  * 
420  * 121   8/03/99 12:45p Dave
421  * Update checksums.
422  * 
423  * 120   8/02/99 9:13p Dave
424  * Added popup tips.
425  * 
426  * 119   7/30/99 10:31p Dave
427  * Added comm menu to the configurable hud files.
428  * 
429  * 118   7/30/99 5:17p Andsager
430  * first fs2demo checksums
431  * 
432  * 117   7/29/99 3:09p Anoop
433  * 
434  * 116   7/29/99 12:05a Dave
435  * Nebula speed optimizations.
436  * 
437  * 115   7/27/99 8:59a Andsager
438  * Make major, minor version consistent for all builds.  Only show major
439  * and minor for launcher update window.
440  * 
441  * 114   7/26/99 5:50p Dave
442  * Revised ingame join. Better? We'll see....
443  * 
444  * 113   7/26/99 5:27p Andsager
445  * Add training mission as builtin to demo build
446  * 
447  * 112   7/24/99 1:54p Dave
448  * Hud text flash gauge. Reworked dead popup to use 4 buttons in red-alert
449  * missions.
450  * 
451  * 111   7/22/99 4:00p Dave
452  * Fixed beam weapon muzzle glow rendering. Externalized hud shield info.
453  * 
454  * 110   7/21/99 8:10p Dave
455  * First run of supernova effect.
456  * 
457  * 109   7/20/99 1:49p Dave
458  * Peter Drake build. Fixed some release build warnings.
459  * 
460  * 108   7/19/99 2:26p Andsager
461  * set demo multiplayer missions
462  * 
463  * 107   7/18/99 5:19p Dave
464  * Jump node icon. Fixed debris fogging. Framerate warning stuff.
465  * 
466  * 106   7/16/99 1:50p Dave
467  * 8 bit aabitmaps. yay.
468  * 
469  * 105   7/15/99 3:07p Dave
470  * 32 bit detection support. Mouse coord commandline.
471  * 
472  * 104   7/15/99 2:13p Dave
473  * Added 32 bit detection.
474  * 
475  * 103   7/15/99 9:20a Andsager
476  * FS2_DEMO initial checkin
477  * 
478  * 102   7/14/99 11:02a Dave
479  * Skill level default back to easy. Blech.
480  * 
481  * 101   7/09/99 5:54p Dave
482  * Seperated cruiser types into individual types. Added tons of new
483  * briefing icons. Campaign screen.
484  * 
485  * 100   7/08/99 4:43p Andsager
486  * New check for sparky_hi and print if not found.
487  * 
488  * 99    7/08/99 10:53a Dave
489  * New multiplayer interpolation scheme. Not 100% done yet, but still
490  * better than the old way.
491  * 
492  * 98    7/06/99 4:24p Dave
493  * Mid-level checkin. Starting on some potentially cool multiplayer
494  * smoothness crap.
495  * 
496  * 97    7/06/99 3:35p Andsager
497  * Allow movie to play before red alert mission.
498  * 
499  * 96    7/03/99 5:50p Dave
500  * Make rotated bitmaps draw properly in padlock views.
501  * 
502  * 95    7/02/99 9:55p Dave
503  * Player engine wash sound.
504  * 
505  * 94    7/02/99 4:30p Dave
506  * Much more sophisticated lightning support.
507  * 
508  * 93    6/29/99 7:52p Dave
509  * Put in exception handling in FS2.
510  * 
511  * 92    6/22/99 9:37p Dave
512  * Put in pof spewing.
513  * 
514  * 91    6/16/99 4:06p Dave
515  * New pilot info popup. Added new draw-bitmap-as-poly function.
516  * 
517  * 90    6/15/99 1:56p Andsager
518  * For release builds, allow start up in high res only with
519  * sparky_hi._fs2.vp
520  * 
521  * 89    6/15/99 9:34a Dave
522  * Fixed key checking in single threaded version of the stamp notification
523  * screen. 
524  * 
525  * 88    6/09/99 2:55p Andsager
526  * Allow multiple asteroid subtypes (of large, medium, small) and follow
527  * family.
528  * 
529  * 87    6/08/99 1:14a Dave
530  * Multi colored hud test.
531  * 
532  * 86    6/04/99 9:52a Dave
533  * Fixed some rendering problems.
534  * 
535  * 85    6/03/99 10:15p Dave
536  * Put in temporary main hall screen.
537  * 
538  * 84    6/02/99 6:18p Dave
539  * Fixed TNT lockup problems! Wheeeee!
540  * 
541  * 83    6/01/99 3:52p Dave
542  * View footage screen. Fixed xstrings to not display the & symbol. Popup,
543  * dead popup, pxo find player popup, pxo private room popup.
544  * 
545  * 82    5/26/99 1:28p Jasenw
546  * changed coords for loading ani
547  * 
548  * 81    5/26/99 11:46a Dave
549  * Added ship-blasting lighting and made the randomization of lighting
550  * much more customizable.
551  * 
552  * 80    5/24/99 5:45p Dave
553  * Added detail levels to the nebula, with a decent speedup. Split nebula
554  * lightning into its own section.
555  * 
556  * 
557  */
558
559 #include <stdio.h>
560 #include <stdlib.h>
561 #include <time.h>
562
563 #include "pstypes.h"
564 #include "systemvars.h"
565 #include "key.h"
566 #include "vecmat.h"
567 #include "2d.h"
568 #include "3d.h"
569 #include "starfield.h"
570 #include "lighting.h"
571 #include "weapon.h"
572 #include "ship.h"
573 #include "palman.h"
574 #include "osapi.h"
575 #include "fireballs.h"
576 #include "debris.h"
577 #include "timer.h"
578 #include "fix.h"
579 #include "floating.h"
580 #include "gamesequence.h"
581 #include "radar.h"
582 #include "optionsmenu.h"
583 #include "playermenu.h"
584 #include "trainingmenu.h"
585 #include "techmenu.h"
586 #include "ai.h"
587 #include "hud.h"
588 #include "hudmessage.h"
589 #include "psnet.h"
590 #include "missiongoals.h"
591 #include "missionparse.h"
592 #include "bmpman.h"
593 #include "joy.h"
594 #include "joy_ff.h"
595 #include "multi.h"
596 #include "multiutil.h"
597 #include "multimsgs.h"
598 #include "multiui.h"
599 #include "multi_pxo.h"
600 #include "cfile.h"
601 #include "player.h"
602 #include "freespace.h"
603 #include "managepilot.h"
604 #include "sound.h"
605 #include "contexthelp.h"
606 #include "mouse.h"
607 #include "joy.h"
608 #include "missionbrief.h"
609 #include "missiondebrief.h"
610 #include "ui.h"
611 #include "missionshipchoice.h"
612 #include "model.h"
613 #include "hudconfig.h"
614 #include "controlsconfig.h"
615 #include "missionmessage.h"
616 #include "missiontraining.h"
617 #include "hudets.h"
618 #include "hudtarget.h"
619 #include "gamesnd.h"
620 #include "eventmusic.h"
621 #include "animplay.h"
622 #include "missionweaponchoice.h"
623 #include "missionlog.h"
624 #include "audiostr.h"
625 #include "hudlock.h"
626 #include "missioncampaign.h"
627 #include "credits.h"
628 #include "missionhotkey.h"
629 #include "objectsnd.h"
630 #include "cmeasure.h"
631 #include "ai.h"
632 #include "linklist.h"
633 #include "shockwave.h"
634 #include "afterburner.h"
635 #include "scoring.h"
636 #include "stats.h"
637 #include "cmdline.h"
638 #include "timer.h"
639 #include "stand_server.h"
640 #include "pcxutils.h"
641 #include "hudtargetbox.h"
642 #include "multi_xfer.h"
643 #include "hudescort.h"
644 #include "multiutil.h"
645 #include "sexp.h"
646 #include "medals.h"
647 #include "multiteamselect.h"
648 #include "shipfx.h"
649 #include "readyroom.h"
650 #include "mainhallmenu.h"
651 #include "multilag.h"
652 #include "trails.h"
653 #include "particle.h"
654 #include "popup.h"
655 #include "multi_ingame.h"
656 #include "snazzyui.h"
657 #include "asteroid.h"
658 #include "popupdead.h"
659 #include "multi_voice.h"
660 #include "missioncmdbrief.h"
661 #include "redalert.h"
662 #include "gameplayhelp.h"
663 #include "multilag.h"
664 #include "staticrand.h"
665 #include "multi_pmsg.h"
666 #include "levelpaging.h"
667 #include "observer.h"
668 #include "multi_pause.h"
669 #include "multi_endgame.h"
670 #include "cutscenes.h"
671 #include "multi_respawn.h"
672 #include "movie.h"
673 #include "multi_obj.h"
674 #include "multi_log.h"
675 #include "emp.h"
676 #include "localize.h"
677 #include "osregistry.h"
678 #include "barracks.h"
679 #include "missionpause.h"
680 #include "font.h"
681 #include "alphacolors.h"
682 #include "objcollide.h"
683 #include "flak.h"
684 #include "neb.h"
685 #include "neblightning.h"
686 #include "shipcontrails.h"
687 #include "awacs.h"
688 #include "beam.h"
689 #include "multi_dogfight.h"
690 #include "multi_rate.h"
691 #include "muzzleflash.h"
692 #include "encrypt.h"
693 #include "demo.h"
694 #include "version.h"
695 #include "mainhalltemp.h"
696 #include "exceptionhandler.h"
697 #include "supernova.h"
698 #include "hudshield.h"
699 // #include "names.h"
700 #include "shiphit.h"
701 #include "missionloopbrief.h"
702
703 #ifdef NDEBUG
704 #ifdef FRED
705 #error macro FRED is defined when trying to build release Fred.  Please undefine FRED macro in build settings
706 #endif
707 #endif
708
709 //      Revision history.
710 //      Full version:
711 //    1.00.04   5/26/98 MWA -- going final (12 pm)
712 //    1.00.03   5/26/98 MWA -- going final (3 am)
713 //    1.00.02   5/25/98 MWA -- going final
714 //    1.00.01   5/25/98 MWA -- going final
715 //              0.90            5/21/98 MWA -- getting ready for final.
716 //              0.10            4/9/98.  Set by MK.
717 //
718 //      Demo version: (obsolete since DEMO codebase split from tree)
719 //              0.03            4/10/98 AL.     Interplay rev
720 //              0.02            4/8/98  MK.     Increased when this system was modified.
721 //              0.01            4/7/98? AL.     First release to Interplay QA.
722 //
723 //      OEM version:
724 //              1.00            5/28/98 AL.     First release to Interplay QA.
725
726 void game_level_init(int seed = -1);
727 void game_post_level_init();
728 void game_do_frame();
729 void game_update_missiontime(); // called from game_do_frame() and navmap_do_frame()
730 void game_reset_time();
731 void game_show_framerate();                     // draws framerate in lower right corner
732
733 int Game_no_clear = 0;
734
735 int Pofview_running = 0;
736 int Nebedit_running = 0;
737 int Fonttool_running = 0;
738
739 typedef struct big_expl_flash {
740         float max_flash_intensity;      // max intensity
741         float cur_flash_intensity;      // cur intensity
742         int     flash_start;            // start time
743 } big_expl_flash;
744
745 #define FRAME_FILTER 16
746
747 #define DEFAULT_SKILL_LEVEL     1
748 int     Game_skill_level = DEFAULT_SKILL_LEVEL;
749
750 #define VIEWER_ZOOM_DEFAULT 0.75f                       //      Default viewer zoom, 0.625 as per multi-lateral agreement on 3/24/97
751 float Viewer_zoom = VIEWER_ZOOM_DEFAULT;
752
753 #define EXE_FNAME       ("fs2.exe")
754 #define LAUNCHER_FNAME  ("freespace2.exe")
755
756
757 // JAS: Code for warphole camera.
758 // Needs to be cleaned up.
759 vector Camera_pos = ZERO_VECTOR;
760 vector Camera_velocity = ZERO_VECTOR;
761 vector Camera_desired_velocity = ZERO_VECTOR;
762 matrix Camera_orient = IDENTITY_MATRIX;
763 float Camera_damping = 1.0f;
764 float Camera_time = 0.0f;
765 float Warpout_time = 0.0f;
766 int Warpout_forced = 0;         // Set if this is a forced warpout that cannot be cancelled.
767 int Warpout_sound = -1;
768 void camera_move();
769 int Use_joy_mouse = 0;
770 int Use_palette_flash = 1;
771 int Show_area_effect = 0;
772 object  *Last_view_target = NULL;
773
774 int dogfight_blown = 0;
775
776 int     frame_int = -1;
777 float frametimes[FRAME_FILTER];
778 float frametotal = 0.0f;
779 float flFrametime;
780
781 #ifdef RELEASE_REAL
782         int     Show_framerate = 0;
783 #else 
784         int     Show_framerate = 1;
785 #endif
786
787 int     Framerate_cap = 120;
788 int     Show_mem = 0;
789 int     Show_cpu = 0;
790 int     Show_target_debug_info = 0;
791 int     Show_target_weapons = 0;
792 int     Game_font = -1;
793
794 #ifndef NDEBUG
795 static int Show_player_pos = 0;         // debug console command to show player world pos on HUD
796 #endif
797
798 int Debug_octant = -1;
799
800 fix Game_time_compression = F1_0;
801
802 // if the ships.tbl the player has is valid
803 int Game_ships_tbl_valid = 0;
804
805 // if the weapons.tbl the player has is valid
806 int Game_weapons_tbl_valid = 0;
807
808 #ifndef NDEBUG
809 int Test_begin = 0;
810 extern int      Player_attacking_enabled;
811 int Show_net_stats;
812 #endif
813
814 int Pre_player_entry;
815
816 int     Fred_running = 0;
817 char Game_current_mission_filename[MAX_FILENAME_LEN];
818 int game_single_step = 0;
819 int last_single_step=0;
820
821 extern int MSG_WINDOW_X_START;  // used to position mission_time and shields output
822 extern int MSG_WINDOW_Y_START;
823 extern int MSG_WINDOW_HEIGHT;
824
825 int game_zbuffer = 1;
826 //static int Game_music_paused;
827 static int Game_paused;
828
829 int Game_level_seed;
830
831 #define EXPIRE_BAD_CHECKSUM                     1
832 #define EXPIRE_BAD_TIME                                 2
833
834 extern void ssm_init();
835 extern void ssm_level_init();
836 extern void ssm_process();
837
838 // static variable to contain the time this version was built
839 // commented out for now until
840 // I figure out how to get the username into the file
841 //static char freespace_build_time[] = "Compiled on:"__DATE__" "__TIME__" by "__USER__;
842
843 // defines and variables used for dumping frame for making trailers.
844 #ifndef NDEBUG
845 int Debug_dump_frames = 0;                      // Set to 0 to not dump frames, else equal hz to dump. (15 or 30 probably)
846 int Debug_dump_trigger = 0;
847 int Debug_dump_frame_count;
848 int Debug_dump_frame_num = 0;
849 #define DUMP_BUFFER_NUM_FRAMES  1                       // store every 15 frames
850 #endif
851
852 // amount of time to wait after the player has died before we display the death died popup
853 #define PLAYER_DIED_POPUP_WAIT          2500
854 int Player_died_popup_wait = -1;
855 time_t Player_multi_died_check = -1;
856
857 // builtin mission list stuff
858 #ifdef FS2_DEMO
859         int Game_builtin_mission_count = 6;
860         fs_builtin_mission Game_builtin_mission_list[MAX_BUILTIN_MISSIONS] = {
861                 { "SPDemo-01.fs2",                              (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
862                 { "SPDemo-02.fs2",                              (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
863                 { "DemoTrain.fs2",                              (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
864                 { "Demo.fc2",                                           (FSB_FROM_VOLITION | FSB_CAMPAIGN_FILE) },
865                 { "MPDemo-01.fs2",                              (FSB_FROM_VOLITION | FSB_MULTI) },
866                 { "Demo-DOG-01.fs2",                            (FSB_FROM_VOLITION | FSB_MULTI) },
867         };
868 #elif defined(FS1_DEMO)
869         int Game_builtin_mission_count = 5;
870         fs_builtin_mission Game_builtin_mission_list[MAX_BUILTIN_MISSIONS] = {
871                 { "btmdemo.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
872                 { "demo.fsc",                                   (FSB_FROM_VOLITION | FSB_CAMPAIGN_FILE) },
873                 { "demo01.fsm",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
874                 { "demo02a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
875                 { "demo02b.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
876         };
877 #elif defined(PD_BUILD)
878         int Game_builtin_mission_count = 4;
879         fs_builtin_mission Game_builtin_mission_list[MAX_BUILTIN_MISSIONS] = {
880                 { "sm1-01.fs2",                                 (FSB_FROM_VOLITION) },
881                 { "sm1-05.fs2",                                 (FSB_FROM_VOLITION) },
882                 { "sm1-01",                                                     (FSB_FROM_VOLITION) },
883                 { "sm1-05",                                                     (FSB_FROM_VOLITION) },
884         };
885 #elif defined(MULTIPLAYER_BETA)
886         int Game_builtin_mission_count = 17;
887         fs_builtin_mission Game_builtin_mission_list[MAX_BUILTIN_MISSIONS] = {
888                 // multiplayer beta
889                 { "md-01.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
890                 { "md-02.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
891                 { "md-03.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
892                 { "md-04.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
893                 { "md-05.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
894                 { "md-06.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
895                 { "md-07.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
896                 { "mt-02.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
897                 { "mt-03.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
898                 { "m-03.fs2",                                           (FSB_FROM_VOLITION | FSB_MULTI) },
899                 { "m-04.fs2",                                           (FSB_FROM_VOLITION | FSB_MULTI) },
900                 { "m-05.fs2",                                           (FSB_FROM_VOLITION | FSB_MULTI) },
901                 { "templar-01.fs2",                             (FSB_FROM_VOLITION | FSB_MULTI | FSB_CAMPAIGN) },
902                 { "templar-02.fs2",                             (FSB_FROM_VOLITION | FSB_MULTI | FSB_CAMPAIGN) },
903                 { "templar-03a.fs2",                            (FSB_FROM_VOLITION | FSB_MULTI | FSB_CAMPAIGN) },
904                 { "templar-04a.fs2",                            (FSB_FROM_VOLITION | FSB_MULTI | FSB_CAMPAIGN) },
905                 { "templar.fc2",                                        (FSB_FROM_VOLITION | FSB_MULTI | FSB_CAMPAIGN_FILE) },
906         };
907 #elif defined(OEM_BUILD)
908         int Game_builtin_mission_count = 17;
909         fs_builtin_mission Game_builtin_mission_list[MAX_BUILTIN_MISSIONS] = {
910                 // oem version - act 1 only
911                 { "freespace2oem.fc2",                  (FSB_FROM_VOLITION | FSB_CAMPAIGN_FILE) },
912                         
913                 // act 1
914                 { "sm1-01.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
915                 { "sm1-02.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
916                 { "sm1-03.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
917                 { "sm1-04.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
918                 { "sm1-05.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
919                 { "sm1-06.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
920                 { "sm1-07.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
921                 { "sm1-08.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
922                 { "sm1-09.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
923                 { "sm1-10.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
924                 { "training-1.fs2",                             (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
925                 { "training-2.fs2",                             (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
926                 { "training-3.fs2",                             (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
927                 { "tsm-104.fs2",                                        (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
928                 { "tsm-105.fs2",                                        (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
929                 { "tsm-106.fs2",                                        (FSB_FROM_VOLITION | FSB_CAMPAIGN) }
930         };
931 #elif defined(MAKE_FS1) 
932         int Game_builtin_mission_count = 125;
933         fs_builtin_mission Game_builtin_mission_list[MAX_BUILTIN_MISSIONS] = {
934                 // single player campaign
935                 { "freespace.fsc",                              (FSB_FROM_VOLITION | FSB_CAMPAIGN_FILE) },
936
937                 // act 1
938                 { "sm1-01.fsm",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
939                 { "sm1-02a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
940                 { "sm1-03a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
941                 { "sm1-04a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
942                 { "sm1-05a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
943                 { "sm1-06a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
944                 { "sm1-07a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
945                 { "sm1-08a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
946                 { "sm1-09a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
947                 { "sm1-10a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
948
949                 // act 2
950                 { "sm2-01a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
951                 { "sm2-02a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
952                 { "sm2-03a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
953                 { "sm2-04a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
954                 { "sm2-05a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
955                 { "sm2-06a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
956                 { "sm2-07a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
957                 { "sm2-08a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
958                 { "sm2-09a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
959                 { "sm2-10a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
960
961                 // act 3
962                 { "sm3-01a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
963                 { "sm3-02a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
964                 { "sm3-03a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
965                 { "sm3-04a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
966                 { "sm3-05a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
967                 { "sm3-06a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
968                 { "sm3-07a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
969                 { "sm3-08a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
970                 { "sm3-09a.fsm",                                (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
971
972                 // gauntlet
973                 { "t-gauntlet.fsm",                             (FSB_FROM_VOLITION | FSB_MULTI) },
974                 { "v-gauntlet.fsm",                             (FSB_FROM_VOLITION | FSB_MULTI) },
975                 { "s-gauntlet.fsm",                             (FSB_FROM_VOLITION | FSB_MULTI) },
976
977                 // training
978                 { "btm-01.fsm",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
979                 { "btm-02.fsm",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
980                 { "btm-03.fsm",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
981                 { "btm-04.fsm",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
982                 { "btm-05.fsm",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
983
984                 // multiplayer
985                 { "m-hope.fsc",                                 (FSB_FROM_VOLITION | FSB_MULTI | FSB_CAMPAIGN_FILE) },
986                 { "m-altair.fsc",                               (FSB_FROM_VOLITION | FSB_MULTI | FSB_CAMPAIGN_FILE) },
987
988                 { "m-v-gauntlet.fsm",                   (FSB_FROM_VOLITION | FSB_MULTI) },
989                 { "m-va.fsm",                                   (FSB_FROM_VOLITION | FSB_MULTI) },
990                 { "m-unstoppable.fsm",                  (FSB_FROM_VOLITION | FSB_MULTI) },
991                 { "m-t-gauntlet.fsm",                   (FSB_FROM_VOLITION | FSB_MULTI) },
992                 { "m-s-gauntlet.fsm",                   (FSB_FROM_VOLITION | FSB_MULTI) },
993                 { "m-rescue.fsm",                               (FSB_FROM_VOLITION | FSB_MULTI) },
994                 { "m-pain.fsm",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
995                 { "m-orecovery.fsm",                    (FSB_FROM_VOLITION | FSB_MULTI) },
996                 { "mm3-01a.fsm",                                (FSB_FROM_VOLITION | FSB_MULTI) },
997                 { "mm3-02a.fsm",                                (FSB_FROM_VOLITION | FSB_MULTI) },
998                 { "mm3-03a.fsm",                                (FSB_FROM_VOLITION | FSB_MULTI) },
999                 { "mm3-04a.fsm",                                (FSB_FROM_VOLITION | FSB_MULTI) },
1000                 { "mm3-05a.fsm",                                (FSB_FROM_VOLITION | FSB_MULTI) },
1001                 { "mm3-06a.fsm",                                (FSB_FROM_VOLITION | FSB_MULTI) },
1002                 { "m-guardduty.fsm",                    (FSB_FROM_VOLITION | FSB_MULTI) },
1003                 { "m-gate.fsm",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1004                 { "m-duel.fsm",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1005                 { "m-convoyassault.fsm",                (FSB_FROM_VOLITION | FSB_MULTI) },
1006                 { "m-clash.fsm",                                (FSB_FROM_VOLITION | FSB_MULTI) },
1007
1008         // SilentThreat missions
1009                 // Main SilentThreat campaign
1010                 { "SilentThreat.fsc",                   (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN_FILE) },
1011
1012                 { "md-01.fsm",                                  (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN) },
1013                 { "md-02.fsm",                                  (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN) },
1014                 { "md-03.fsm",                                  (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN) },
1015                 { "md-04.fsm",                                  (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN) },
1016                 { "md-05.fsm",                                  (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN) },
1017                 { "md-06.fsm",                                  (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN) },
1018                 { "md-07.fsm",                                  (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN) },
1019                 { "md-08.fsm",                                  (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN) },
1020                 { "md-09.fsm",                                  (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN) },
1021                 { "md-10.fsm",                                  (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN) },
1022                 { "md-11.fsm",                                  (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN) },
1023                 { "md-12.fsm",                                  (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_CAMPAIGN) },
1024
1025                 // SilentThreat Part 1 - multi-coop
1026                 { "ST-Part1.fsc",                               (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN_FILE) },
1027
1028                 { "stmm-01.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN) },
1029                 { "stmm-02.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN) },
1030                 { "stmm-03.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN) },
1031
1032                 // SilentThreat Part 2 - multi-coop
1033                 { "ST-Part2.fsc",                               (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN_FILE) },
1034
1035                 { "stmm-04.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN) },
1036                 { "stmm-05.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN) },
1037                 { "stmm-06.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN) },
1038
1039                 // SilentThreat Part 3 - multi-coop
1040                 { "ST-Part3.fsc",                               (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN_FILE) },
1041
1042                 { "stmm-07.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN) },
1043                 { "stmm-08.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN) },
1044                 { "stmm-09.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN) },
1045
1046                 // SilentThreat Part 4 - multi-coop
1047                 { "ST-Part4.fsc",                               (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN_FILE) },
1048
1049                 { "stmm-10.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN) },
1050                 { "stmm-11.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN) },
1051                 { "stmm-12.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI | FSB_CAMPAIGN) },
1052
1053                 // multiplayer missions
1054                 { "mdmm-01.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI) },
1055                 { "mdmm-02.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI) },
1056                 { "mdmm-03.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI) },
1057                 { "mdmm-04.fsm",                                (FSB_FROM_VOLITION | FSB_FROM_MDISK | FSB_MULTI) },
1058                 // user supplied missions
1059                 { "mdu-02.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1060                 { "mdu-03.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1061                 { "mdu-04.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1062                 { "mdu-05.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1063                 { "mdu-06.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1064                 { "mdu-07.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1065                 { "mdu-08.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1066                 { "mdu-09.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1067                 { "mdu-10.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1068                 { "mdu-11.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1069                 { "mdu-12.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1070                 { "mdu-13.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1071                 { "mdu-14.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1072                 { "mdu-15.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1073                 { "mdu-16.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1074                 { "mdu-17.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1075                 { "mdu-18.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1076                 { "mdu-19.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1077                 { "mdu-20.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1078                 { "mdu-21.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1079                 { "mdu-22.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1080                 { "mdu-23.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1081                 { "mdu-24.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1082                 { "mdu-25.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1083                 { "mdu-26.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1084                 { "mdu-27.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1085                 { "mdu-28.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1086                 { "mdu-29.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1087                 { "mdu-30.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1088                 { "mdu-31.fsm",                                 (FSB_FROM_MDISK | FSB_MULTI) },
1089                 { "mdumm-01.fsm",                               (FSB_FROM_MDISK | FSB_MULTI) },
1090                 { "mdumm-02.fsm",                               (FSB_FROM_MDISK | FSB_MULTI) },
1091         };
1092 #else
1093         int Game_builtin_mission_count = 92;
1094         fs_builtin_mission Game_builtin_mission_list[MAX_BUILTIN_MISSIONS] = {
1095                 // single player campaign
1096                 { "freespace2.fc2",                             (FSB_FROM_VOLITION | FSB_CAMPAIGN_FILE) },
1097                         
1098                 // act 1
1099                 { "sm1-01.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1100                 { "sm1-02.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1101                 { "sm1-03.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1102                 { "sm1-04.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1103                 { "sm1-05.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1104                 { "sm1-06.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1105                 { "sm1-07.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1106                 { "sm1-08.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1107                 { "sm1-09.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1108                 { "sm1-10.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1109                 { "loop1-1.fs2",                                        (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1110                 { "loop1-2.fs2",                                        (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1111                 { "loop1-3.fs2",                                        (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1112                 { "training-1.fs2",                             (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1113                 { "training-2.fs2",                             (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1114                 { "training-3.fs2",                             (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1115                 { "tsm-104.fs2",                                        (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1116                 { "tsm-105.fs2",                                        (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1117                 { "tsm-106.fs2",                                        (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1118
1119                 // act 2
1120                 { "sm2-01.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1121                 { "sm2-02.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1122                 { "sm2-03.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1123                 { "sm2-04.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1124                 { "sm2-05.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1125                 { "sm2-06.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1126                 { "sm2-07.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1127                 { "sm2-08.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1128                 { "sm2-09.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1129                 { "sm2-10.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1130
1131                 // act 3
1132                 { "sm3-01.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1133                 { "sm3-02.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1134                 { "sm3-03.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1135                 { "sm3-04.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1136                 { "sm3-05.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1137                 { "sm3-06.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1138                 { "sm3-07.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1139                 { "sm3-08.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1140                 { "sm3-09.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1141                 { "sm3-10.fs2",                                 (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1142                 { "loop2-1.fs2",                                        (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1143                 { "loop2-2.fs2",                                        (FSB_FROM_VOLITION | FSB_CAMPAIGN) },
1144
1145                 // multiplayer missions
1146
1147                 // gauntlet
1148                 { "g-shi.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1149                 { "g-ter.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1150                 { "g-vas.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1151
1152                 // coop
1153                 { "m-01.fs2",                                           (FSB_FROM_VOLITION | FSB_MULTI) },
1154                 { "m-02.fs2",                                           (FSB_FROM_VOLITION | FSB_MULTI) },
1155                 { "m-03.fs2",                                           (FSB_FROM_VOLITION | FSB_MULTI) },
1156                 { "m-04.fs2",                                           (FSB_FROM_VOLITION | FSB_MULTI) },
1157
1158                 // dogfight
1159                 { "mdh-01.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1160                 { "mdh-02.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1161                 { "mdh-03.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1162                 { "mdh-04.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1163                 { "mdh-05.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1164                 { "mdh-06.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1165                 { "mdh-07.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1166                 { "mdh-08.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1167                 { "mdh-09.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1168                 { "mdl-01.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1169                 { "mdl-02.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1170                 { "mdl-03.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1171                 { "mdl-04.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1172                 { "mdl-05.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1173                 { "mdl-06.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1174                 { "mdl-07.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1175                 { "mdl-08.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1176                 { "mdl-09.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1177                 { "mdm-01.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1178                 { "mdm-02.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1179                 { "mdm-03.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1180                 { "mdm-04.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1181                 { "mdm-05.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1182                 { "mdm-06.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1183                 { "mdm-07.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1184                 { "mdm-08.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1185                 { "mdm-09.fs2",                                 (FSB_FROM_VOLITION | FSB_MULTI) },
1186                 { "osdog.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1187
1188                 // TvT          
1189                 { "mt-01.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1190                 { "mt-02.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1191                 { "mt-03.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1192                 { "mt-04.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1193                 { "mt-05.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1194                 { "mt-06.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1195                 { "mt-07.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1196                 { "mt-08.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1197                 { "mt-09.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1198                 { "mt-10.fs2",                                          (FSB_FROM_VOLITION | FSB_MULTI) },
1199
1200                 // campaign
1201                 { "templar.fc2",                                (FSB_FROM_VOLITION | FSB_MULTI | FSB_CAMPAIGN_FILE) },
1202                 { "templar-01.fs2",                             (FSB_FROM_VOLITION | FSB_MULTI | FSB_CAMPAIGN) },
1203                 { "templar-02.fs2",                             (FSB_FROM_VOLITION | FSB_MULTI | FSB_CAMPAIGN) },
1204                 { "templar-03.fs2",                             (FSB_FROM_VOLITION | FSB_MULTI | FSB_CAMPAIGN) },
1205                 { "templar-04.fs2",                             (FSB_FROM_VOLITION | FSB_MULTI | FSB_CAMPAIGN) },
1206         };
1207 #endif
1208
1209
1210 // Internal function prototypes
1211 void game_maybe_draw_mouse(float frametime);
1212 void init_animating_pointer();
1213 void load_animating_pointer(const char *filename, int dx, int dy);
1214 void unload_animating_pointer();
1215 void game_do_training_checks();
1216 void game_shutdown(void);
1217 void game_show_event_debug(float frametime);
1218 void game_event_debug_init();
1219 void game_frame();
1220 void demo_upsell_init(int end_of_demo);
1221 void demo_upsell_do();
1222 void demo_upsell_close();
1223 void game_start_subspace_ambient_sound();
1224 void game_stop_subspace_ambient_sound();
1225 void verify_ships_tbl();
1226 void verify_weapons_tbl();
1227 #if defined(FS2_DEMO) || defined(OEM_BUILD)
1228 extern "C" void display_title_screen();
1229 #endif
1230
1231 // loading background filenames
1232 static const char *Game_loading_bground_fname[GR_NUM_RESOLUTIONS] = {
1233         "LoadingBG",            // GR_640
1234         "2_LoadingBG"           // GR_1024
1235 };
1236
1237
1238 static const char *Game_loading_ani_fname[GR_NUM_RESOLUTIONS] = {
1239         "Loading.ani",          // GR_640
1240         "2_Loading.ani"         // GR_1024
1241 };
1242
1243 #if defined(FS2_DEMO)
1244 static const char *Game_demo_title_screen_fname[GR_NUM_RESOLUTIONS] = {
1245         "PreLoad",
1246         "2_PreLoad"
1247 };
1248 #elif defined(OEM_BUILD)
1249 static const char *Game_demo_title_screen_fname[GR_NUM_RESOLUTIONS] = {
1250         "OEMPreLoad",
1251         "2_OEMPreLoad"
1252 };
1253 #endif
1254
1255 // auto-lang stuff
1256 int detect_lang();
1257
1258 // How much RAM is on this machine. Set in WinMain
1259 static int Freespace_total_ram = 0;
1260
1261 // game flash stuff
1262 float Game_flash_red = 0.0f;
1263 float Game_flash_green = 0.0f;
1264 float Game_flash_blue = 0.0f;
1265 float Sun_spot = 0.0f;
1266 big_expl_flash Big_expl_flash = {0.0f, 0.0f, 0};
1267
1268 // game shudder stuff (in ms)
1269 int Game_shudder_time = -1;
1270 int Game_shudder_total = 0;
1271 float Game_shudder_intensity = 0.0f;                    // should be between 0.0 and 100.0
1272
1273 // EAX stuff
1274 sound_env Game_sound_env;
1275 //sound_env Game_default_sound_env = {SND_ENV_AUDITORIUM, 0.25f, 0.35f, 3.0f};
1276 sound_env Game_default_sound_env = {SND_ENV_GENERIC, 0.2F,0.2F,1.0F};
1277
1278 int Game_sound_env_update_timestamp;
1279
1280 // WARPIN CRAP BEGIN --------------------------------------------------------------------------------------------
1281
1282
1283 // WARPIN CRAP END --------------------------------------------------------------------------------------------
1284
1285 fs_builtin_mission *game_find_builtin_mission(const char *filename)
1286 {
1287         int idx;
1288
1289         // look through all existing builtin missions
1290         for(idx=0; idx<Game_builtin_mission_count; idx++){
1291                 if(!SDL_strcasecmp(Game_builtin_mission_list[idx].filename, filename)){
1292                         return &Game_builtin_mission_list[idx];
1293                 }
1294         }
1295
1296         // didn't find it
1297         return NULL;
1298 }
1299
1300 int game_get_default_skill_level()
1301 {
1302         return DEFAULT_SKILL_LEVEL;
1303 }
1304
1305 // Resets the flash
1306 void game_flash_reset()
1307 {
1308         Game_flash_red = 0.0f;
1309         Game_flash_green = 0.0f;
1310         Game_flash_blue = 0.0f;
1311         Sun_spot = 0.0f;
1312         Big_expl_flash.max_flash_intensity = 0.0f;
1313         Big_expl_flash.cur_flash_intensity = 0.0f;
1314         Big_expl_flash.flash_start = 0;
1315 }
1316
1317 float Gf_critical = -1.0f;                                      // framerate we should be above on the average for this mission
1318 float Gf_critical_time = 0.0f;                  // how much time we've been at the critical framerate
1319
1320 void game_framerate_check_init()
1321 {
1322         // zero critical time
1323         Gf_critical_time = 0.0f;
1324                 
1325         // nebula missions
1326         if(The_mission.flags & MISSION_FLAG_FULLNEB){
1327                 Gf_critical = 15.0f;
1328         } else {
1329                 Gf_critical = 25.0f;
1330         }
1331 }
1332
1333 extern float Framerate;
1334 void game_framerate_check()
1335 {
1336         int y_start = 100;
1337         
1338         // if the current framerate is above the critical level, add frametime
1339         if(Framerate >= Gf_critical){
1340                 Gf_critical_time += flFrametime;
1341         }       
1342
1343         if(!Show_framerate){
1344                 return;
1345         }
1346
1347         // display if we're above the critical framerate
1348         if(Framerate < Gf_critical){
1349                 gr_set_color_fast(&Color_bright_red);
1350                 gr_string(200, y_start, "Framerate warning");
1351
1352                 y_start += 10;
1353         }
1354
1355         // display our current pct of good frametime
1356         if(f2fl(Missiontime) >= 0.0f){
1357                 float pct = (Gf_critical_time / f2fl(Missiontime)) * 100.0f;
1358
1359                 if(pct >= 85.0f){
1360                         gr_set_color_fast(&Color_bright_green);
1361                 } else {
1362                         gr_set_color_fast(&Color_bright_red);
1363                 }
1364
1365                 gr_printf(200, y_start, "%d%%", (int)pct);
1366         }
1367 }
1368
1369
1370 // Adds a flash effect.  These can be positive or negative.
1371 // The range will get capped at around -1 to 1, so stick 
1372 // with a range like that.
1373 void game_flash( float r, float g, float b )
1374 {
1375         Game_flash_red += r;
1376         Game_flash_green += g;
1377         Game_flash_blue += b;
1378
1379         if ( Game_flash_red < -1.0f )   {
1380                 Game_flash_red = -1.0f;
1381         } else if ( Game_flash_red > 1.0f )     {
1382                 Game_flash_red = 1.0f;
1383         }
1384
1385         if ( Game_flash_green < -1.0f ) {
1386                 Game_flash_green = -1.0f;
1387         } else if ( Game_flash_green > 1.0f )   {
1388                 Game_flash_green = 1.0f;
1389         }
1390
1391         if ( Game_flash_blue < -1.0f )  {
1392                 Game_flash_blue = -1.0f;
1393         } else if ( Game_flash_blue > 1.0f )    {
1394                 Game_flash_blue = 1.0f;
1395         }
1396
1397 }
1398
1399 // Adds a flash for Big Ship explosions
1400 // cap range from 0 to 1
1401 void big_explosion_flash(float flash)
1402 {
1403         Big_expl_flash.flash_start = timestamp(1);
1404
1405         if (flash > 1.0f) {
1406                 flash = 1.0f;
1407         } else if (flash < 0.0f) {
1408                 flash = 0.0f;
1409         }
1410
1411         Big_expl_flash.max_flash_intensity = flash;
1412         Big_expl_flash.cur_flash_intensity = 0.0f;
1413 }
1414
1415 //      Amount to diminish palette towards normal, per second.
1416 #define DIMINISH_RATE   0.75f
1417 #define SUN_DIMINISH_RATE       6.00f
1418
1419 int Sun_drew = 0;
1420
1421 float sn_glare_scale = 1.7f;
1422 DCF(sn_glare, "")
1423 {
1424         dc_get_arg(ARG_FLOAT);
1425         sn_glare_scale = Dc_arg_float;
1426 }
1427
1428 float Supernova_last_glare = 0.0f;
1429 void game_sunspot_process(float frametime)
1430 {
1431         int n_lights, idx;
1432         int sn_stage;
1433         float Sun_spot_goal = 0.0f;
1434
1435         // supernova
1436         sn_stage = supernova_active();
1437         if(sn_stage){           
1438                 // sunspot differently based on supernova stage
1439                 switch(sn_stage){
1440                 // approaching. player still in control
1441                 case 1:                 
1442                         float pct;
1443                         pct = (1.0f - (supernova_time_left() / SUPERNOVA_CUT_TIME));
1444
1445                         vector light_dir;                               
1446                         light_get_global_dir(&light_dir, 0);
1447                         float dot;
1448                         dot = vm_vec_dot( &light_dir, &Eye_matrix.v.fvec );
1449                         
1450                         if(dot >= 0.0f){
1451                                 // scale it some more
1452                                 dot = dot * (0.5f + (pct * 0.5f));
1453                                 dot += 0.05f;                                   
1454
1455                                 Sun_spot_goal += (dot * sn_glare_scale);
1456                         }
1457
1458                         // draw the sun glow
1459                         if ( !shipfx_eye_in_shadow( &Eye_position, Viewer_obj, 0 ) )    {
1460                                 // draw the glow for this sun
1461                                 stars_draw_sun_glow(0); 
1462                         }
1463
1464                         Supernova_last_glare = Sun_spot_goal;
1465                         break;
1466
1467                 // camera cut. player not in control. note : at this point camera starts out facing the sun. so we can go nice and bright
1468                 case 2:                                         
1469                 case 3:
1470                         Sun_spot_goal = 0.9f;
1471                         Sun_spot_goal += (1.0f - (supernova_time_left() / SUPERNOVA_CUT_TIME)) * 0.1f;
1472
1473                         if(Sun_spot_goal > 1.0f){
1474                                 Sun_spot_goal = 1.0f;
1475                         }
1476
1477                         Sun_spot_goal *= sn_glare_scale;
1478                         Supernova_last_glare = Sun_spot_goal;
1479                         break;          
1480
1481                 // fade to white. display dead popup
1482                 case 4:
1483                 case 5:
1484                         Supernova_last_glare += (2.0f * flFrametime);
1485                         if(Supernova_last_glare > 2.0f){
1486                                 Supernova_last_glare = 2.0f;
1487                         }
1488
1489                         Sun_spot_goal = Supernova_last_glare;
1490                         break;
1491                 }
1492         
1493                 Sun_drew = 0;                           
1494         } else {
1495                 if ( Sun_drew ) {
1496                         // check sunspots for all suns
1497                         n_lights = light_get_global_count();
1498
1499                         // check
1500                         for(idx=0; idx<n_lights; idx++){
1501                                 //(vector *eye_pos, matrix *eye_orient)
1502                                 if ( !shipfx_eye_in_shadow( &Eye_position, Viewer_obj, idx ) )  {
1503
1504                                         vector light_dir;                               
1505                                         light_get_global_dir(&light_dir, idx);
1506
1507                                         float dot = vm_vec_dot( &light_dir, &Eye_matrix.v.fvec )*0.5f+0.5f;
1508
1509                                         Sun_spot_goal += (float)pow(dot,85.0f);
1510
1511                                         // draw the glow for this sun
1512                                         stars_draw_sun_glow(idx);                               
1513                                 } else {
1514                                         Sun_spot_goal = 0.0f;
1515                                 }
1516                         }
1517
1518                         Sun_drew = 0;
1519                 } else {
1520                         Sun_spot_goal = 0.0f;
1521                 }
1522         }
1523
1524         float dec_amount = frametime*SUN_DIMINISH_RATE;
1525
1526         if ( Sun_spot < Sun_spot_goal ) {
1527                 Sun_spot += dec_amount;
1528                 if ( Sun_spot > Sun_spot_goal ) {
1529                         Sun_spot = Sun_spot_goal;
1530                 }
1531         } else if ( Sun_spot > Sun_spot_goal )  {
1532                 Sun_spot -= dec_amount;
1533                 if ( Sun_spot < Sun_spot_goal ) {
1534                         Sun_spot = Sun_spot_goal;
1535                 }
1536         }
1537 }
1538
1539
1540 // Call once a frame to diminish the
1541 // flash effect to 0.
1542 void game_flash_diminish(float frametime)
1543 {
1544         float dec_amount = frametime*DIMINISH_RATE;
1545
1546         if ( Game_flash_red > 0.0f ) {
1547                 Game_flash_red -= dec_amount;           
1548                 if ( Game_flash_red < 0.0f )
1549                         Game_flash_red = 0.0f;
1550         } else {
1551                 Game_flash_red += dec_amount;           
1552                 if ( Game_flash_red > 0.0f )
1553                         Game_flash_red = 0.0f;
1554         } 
1555
1556         if ( Game_flash_green > 0.0f ) {
1557                 Game_flash_green -= dec_amount;         
1558                 if ( Game_flash_green < 0.0f )
1559                         Game_flash_green = 0.0f;
1560         } else {
1561                 Game_flash_green += dec_amount;         
1562                 if ( Game_flash_green > 0.0f )
1563                         Game_flash_green = 0.0f;
1564         } 
1565
1566         if ( Game_flash_blue > 0.0f ) {
1567                 Game_flash_blue -= dec_amount;          
1568                 if ( Game_flash_blue < 0.0f )
1569                         Game_flash_blue = 0.0f;
1570         } else {
1571                 Game_flash_blue += dec_amount;          
1572                 if ( Game_flash_blue > 0.0f )
1573                         Game_flash_blue = 0.0f;
1574         } 
1575
1576         // update big_explosion_cur_flash
1577 #define TIME_UP         1500
1578 #define TIME_DOWN       2500
1579         int duration = TIME_UP + TIME_DOWN;
1580         int time = timestamp_until(Big_expl_flash.flash_start);
1581         if (time > -duration) {
1582                 time = -time;
1583                 if (time < TIME_UP) {
1584                         Big_expl_flash.cur_flash_intensity = Big_expl_flash.max_flash_intensity * time / (float) TIME_UP;
1585                 } else {
1586                         time -= TIME_UP;
1587                         Big_expl_flash.cur_flash_intensity = Big_expl_flash.max_flash_intensity * ((float) TIME_DOWN - time) / (float) TIME_DOWN;
1588                 }
1589         }
1590         
1591         if ( Use_palette_flash )        {
1592                 int r,g,b;
1593 //              static int or=0, og=0, ob=0;
1594
1595                 // Change the 200 to change the color range of colors.
1596                 r = fl2i( Game_flash_red*128.0f );  
1597                 g = fl2i( Game_flash_green*128.0f );   
1598                 b = fl2i( Game_flash_blue*128.0f );  
1599
1600                 if ( Sun_spot > 0.0f )  {
1601                         r += fl2i(Sun_spot*128.0f);
1602                         g += fl2i(Sun_spot*128.0f);
1603                         b += fl2i(Sun_spot*128.0f);
1604                 }
1605
1606                 if ( Big_expl_flash.cur_flash_intensity  > 0.0f ) {
1607                         r += fl2i(Big_expl_flash.cur_flash_intensity*128.0f);
1608                         g += fl2i(Big_expl_flash.cur_flash_intensity*128.0f);
1609                         b += fl2i(Big_expl_flash.cur_flash_intensity*128.0f);
1610                 }
1611
1612                 if ( r < 0 ) r = 0; else if ( r > 255 ) r = 255;
1613                 if ( g < 0 ) g = 0; else if ( g > 255 ) g = 255;
1614                 if ( b < 0 ) b = 0; else if ( b > 255 ) b = 255;
1615
1616                 if ( (r!=0) || (g!=0) || (b!=0) ) {
1617                         gr_flash( r, g, b );
1618
1619                         //mprintf(( "Flash! %d,%d,%d\n", r, g, b ));
1620
1621 //                      or = r;
1622 //                      og = g;
1623 //                      ob = b;
1624                 }
1625         }
1626         
1627 }
1628
1629
1630 void game_level_close()
1631 {
1632         // De-Initialize the game subsystems
1633         event_music_level_close();
1634         game_stop_looped_sounds();
1635         snd_stop_all();
1636         obj_snd_level_close();                                  // uninit object-linked persistant sounds
1637         gamesnd_unload_gameplay_sounds();       // unload gameplay sounds from memory
1638         anim_level_close();                                             // stop and clean up any anim instances
1639         message_mission_shutdown();                             // called after anim_level_close() to make sure anim instances are free
1640         shockwave_level_close();
1641         fireball_level_close(); 
1642         shield_hit_close();
1643         mission_event_shutdown();
1644         asteroid_level_close();
1645         flak_level_close();                                             // unload flak stuff
1646         neb2_level_close();                                             // shutdown gaseous nebula stuff
1647         ct_level_close();
1648         beam_level_close();
1649         mflash_level_close();
1650         mission_brief_common_reset();                   // close out parsed briefing/mission stuff
1651
1652         audiostream_unpause_all();
1653         Game_paused = 0;
1654 }
1655
1656
1657 // intializes game stuff and loads the mission.  Returns 0 on failure, 1 on success
1658 // input: seed =>       DEFAULT PARAMETER (value -1).  Only set by demo playback code.
1659 void game_level_init(int seed)
1660 {
1661         // seed the random number generator
1662         if ( seed == -1 ) {
1663                 // if no seed was passed, seed the generator either from the time value, or from the
1664                 // netgame security flags -- ensures that all players in multiplayer game will have the
1665                 // same randon number sequence (with static rand functions)
1666                 if ( Game_mode & GM_NORMAL ) {
1667                         Game_level_seed = (int)time(NULL);
1668                 } else {
1669                         Game_level_seed = Netgame.security;
1670                 }
1671         } else {
1672                 // mwa 9/17/98 -- maybe this assert isn't needed????
1673                 SDL_assert( !(Game_mode & GM_MULTIPLAYER) );
1674                 Game_level_seed = seed;
1675         }
1676         srand( Game_level_seed );
1677
1678         // semirand function needs to get re-initted every time in multiplayer
1679         if ( Game_mode & GM_MULTIPLAYER ){
1680                 init_semirand();
1681         }
1682
1683         Framecount = 0;
1684
1685         Key_normal_game = (Game_mode & GM_NORMAL);
1686         Cheats_enabled = 0;
1687
1688         Game_shudder_time = -1;
1689
1690         // Initialize the game subsystems
1691 //      timestamp_reset();                      // Must be inited before everything else
1692         if(!Is_standalone){
1693                 game_reset_time();                      // resets time, and resets saved time too
1694         }
1695         obj_init();                                             // Must be inited before the other systems
1696         model_free_all();                               // Free all existing models
1697         mission_brief_common_init();            // Free all existing briefing/debriefing text
1698         weapon_level_init();
1699         ai_level_init();                                //      Call this before ship_init() because it reads ai.tbl.
1700         ship_level_init();
1701         player_level_init();    
1702         shipfx_flash_init();                    // Init the ship gun flash system.
1703         game_flash_reset();                     // Reset the flash effect
1704         particle_init();                                // Reset the particle system
1705         fireball_init();
1706         debris_init();
1707         cmeasure_init();
1708         shield_hit_init();                              //      Initialize system for showing shield hits
1709         radar_mission_init();
1710         mission_init_goals();
1711         mission_log_init();
1712         messages_init();
1713         obj_snd_level_init();                                   // init object-linked persistant sounds
1714         anim_level_init();
1715         shockwave_level_init();
1716         afterburner_level_init();
1717         scoring_level_init( &Player->stats );
1718         key_level_init();
1719         asteroid_level_init();
1720         control_config_clear_used_status();
1721         collide_ship_ship_sounds_init();
1722         Missiontime = 0;
1723         Pre_player_entry = 1;                   //      Means the player has not yet entered.
1724         Entry_delay_time = 0;                   //      Could get overwritten in mission read.
1725         fireball_preload();                             //      page in warphole bitmaps
1726         observer_init();
1727         flak_level_init();                              // initialize flak - bitmaps, etc
1728         ct_level_init();                                        // initialize ships contrails, etc
1729         awacs_level_init();                             // initialize AWACS
1730         beam_level_init();                              // initialize beam weapons
1731         mflash_level_init();
1732         ssm_level_init();       
1733         supernova_level_init();
1734
1735         // multiplayer dogfight hack
1736         dogfight_blown = 0;
1737
1738         shipfx_engine_wash_level_init();
1739
1740         nebl_level_init();
1741
1742         Last_view_target = NULL;
1743         Game_paused = 0;
1744
1745         Game_no_clear = 0;
1746
1747         // campaign wasn't ended
1748         Campaign_ended_in_mission = 0;
1749 }
1750
1751 // called when a mission is over -- does server specific stuff.
1752 void freespace_stop_mission()
1753 {       
1754         game_level_close();
1755         Game_mode &= ~GM_IN_MISSION;
1756 }
1757
1758 // called at frame interval to process networking stuff
1759 void game_do_networking()
1760 {
1761         SDL_assert( Net_player != NULL );
1762         if (!(Game_mode & GM_MULTIPLAYER)){
1763                 return;
1764         }
1765
1766         // see if this player should be reading/writing data.  Bit is set when at join
1767         // screen onward until quits back to main menu.
1768         if ( !(Net_player->flags & NETINFO_FLAG_DO_NETWORKING) ){
1769                 return;
1770         }
1771
1772         if(gameseq_get_state()!=GS_STATE_MULTI_PAUSED){
1773                 multi_do_frame();
1774         } else {
1775                 multi_pause_do_frame();
1776         }       
1777 }
1778
1779
1780 // Loads the best palette for this level, based
1781 // on nebula color and hud color.  You could just call palette_load_table with
1782 // the appropriate filename, but who wants to do that.
1783 void game_load_palette()
1784 {
1785         char palette_filename[1024];
1786
1787         // We only use 3 hud colors right now
1788 #ifdef MAKE_FS1
1789         SDL_assert( HUD_config.main_color >= 0 );
1790         SDL_assert( HUD_config.main_color <= 2 );
1791 #endif
1792
1793         SDL_assert( Mission_palette >= 0 );
1794         SDL_assert( Mission_palette <= 98 );
1795
1796 #ifdef MAKE_FS1
1797         if ( The_mission.flags & MISSION_FLAG_SUBSPACE )        {
1798                 SDL_strlcpy( palette_filename, NOX("gamepalette-subspace"), SDL_arraysize(palette_filename) );
1799         } else {
1800                 SDL_snprintf( palette_filename, SDL_arraysize(palette_filename), NOX("gamepalette%d-%02d"), HUD_config.main_color+1, Mission_palette+1 );
1801         }
1802
1803         mprintf(( "Loading palette %s\n", palette_filename ));
1804
1805         palette_load_table(palette_filename);
1806 #else
1807         SDL_strlcpy( palette_filename, NOX("gamepalette-subspace"), SDL_arraysize(palette_filename) );
1808
1809         mprintf(( "Loading palette %s\n", palette_filename ));
1810 #endif
1811 }
1812
1813 void game_post_level_init()
1814 {
1815         // Stuff which gets called after mission is loaded.  Because player isn't created until
1816         // after mission loads, some things must get initted after the level loads
1817
1818         model_level_post_init();
1819
1820         HUD_init();
1821         hud_setup_escort_list();
1822         mission_hotkey_set_defaults();  // set up the default hotkeys (from mission file)
1823
1824         stars_level_init();     
1825         neb2_level_init();              
1826
1827 #ifndef NDEBUG
1828         game_event_debug_init();
1829 #endif
1830
1831         training_mission_init();
1832         asteroid_create_all();
1833         
1834         game_framerate_check_init();
1835 }
1836
1837
1838 // An estimate as to how high the count passed to game_loading_callback will go.
1839 // This is just a guess, it seems to always be about the same.   The count is
1840 // proportional to the code being executed, not the time, so this works good
1841 // for a bar, assuming the code does about the same thing each time you
1842 // load a level.   You can find this value by looking at the return value
1843 // of game_busy_callback(NULL), which I conveniently print out to the
1844 // debug output window with the '=== ENDING LOAD ==' stuff.   
1845 //#define COUNT_ESTIMATE 3706
1846 #define COUNT_ESTIMATE 1111
1847
1848 int Game_loading_callback_inited = 0;
1849
1850 int Game_loading_background = -1;
1851 anim * Game_loading_ani = NULL;
1852 anim_instance   *Game_loading_ani_instance;
1853 int Game_loading_frame=-1;
1854 int Game_loading_ani_bitmap = -1;
1855
1856 static int Game_loading_ani_coords[GR_NUM_RESOLUTIONS][2] = {
1857         {
1858 #if defined(FS1_DEMO)
1859                 133, 337
1860 #elif defined(MAKE_FS1)
1861                 118, 316
1862 #else
1863                 63, 316  // GR_640
1864 #endif
1865         },
1866         {
1867                 101, 505        // GR_1024
1868         }
1869 };
1870
1871 // This gets called 10x per second and count is the number of times 
1872 // game_busy() has been called since the current callback function
1873 // was set.
1874 extern "C"
1875 void game_loading_callback(int count)
1876 {       
1877         game_do_networking();
1878
1879         SDL_assert( Game_loading_callback_inited==1 );
1880         SDL_assert( Game_loading_ani != NULL );
1881
1882         int framenum = ((Game_loading_ani->total_frames*count) / COUNT_ESTIMATE)+1;
1883         if ( framenum > Game_loading_ani->total_frames-1 )      {
1884                 framenum = Game_loading_ani->total_frames-1;
1885         } else if ( framenum < 0 )      {
1886                 framenum = 0;
1887         }
1888
1889         int cbitmap = -1;
1890         while ( Game_loading_frame < framenum ) {
1891                 Game_loading_frame++;
1892                 cbitmap = anim_get_next_frame(Game_loading_ani_instance);
1893         }
1894
1895         if (cbitmap > -1) {
1896                 if (Game_loading_ani_bitmap > -1) {
1897                         bm_release(Game_loading_ani_bitmap);
1898                 }
1899
1900                 //mprintf(( "Showing frame %d/%d [ Bitmap=%d ]\n", Game_loading_frame ,  Game_loading_ani->total_frames, cbitmap ));
1901                 Game_loading_ani_bitmap = cbitmap;
1902         }
1903
1904         if (Game_loading_background > -1) {
1905                 gr_set_bitmap(Game_loading_background, GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
1906                 gr_bitmap(0, 0);
1907         } else {
1908                 gr_clear();
1909         }
1910
1911         if (Game_loading_ani_bitmap > -1) {
1912                 gr_set_bitmap(Game_loading_ani_bitmap, GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
1913                 gr_bitmap(Game_loading_ani_coords[gr_screen.res][0], Game_loading_ani_coords[gr_screen.res][1]);
1914         }
1915
1916         gr_flip();
1917
1918 #ifdef __EMSCRIPTEN__
1919         //emscripten_sleep(10);
1920 #endif
1921 }
1922
1923 void game_loading_callback_init()
1924 {
1925         SDL_assert( Game_loading_callback_inited==0 );
1926
1927         Game_loading_background = bm_load(Game_loading_bground_fname[gr_screen.res]);
1928 #ifdef MAKE_FS1
1929         common_set_interface_palette("InterfacePalette");  // set the interface palette
1930 #endif
1931
1932
1933         Game_loading_ani = anim_load( Game_loading_ani_fname[gr_screen.res]);
1934         SDL_assert( Game_loading_ani != NULL );
1935         Game_loading_ani_instance = init_anim_instance(Game_loading_ani, 16);
1936         SDL_assert( Game_loading_ani_instance != NULL );
1937         Game_loading_frame = -1;
1938         Game_loading_ani_bitmap = -1;
1939
1940         Game_loading_callback_inited = 1;
1941         Mouse_hidden = 1;
1942         game_busy_callback( game_loading_callback, (COUNT_ESTIMATE/Game_loading_ani->total_frames)+1 ); 
1943
1944
1945 }
1946
1947 extern "C"
1948 void game_loading_callback_close()
1949 {
1950         SDL_assert( Game_loading_callback_inited==1 );
1951
1952         // Make sure bar shows all the way over.
1953         game_loading_callback(COUNT_ESTIMATE);
1954
1955 #ifndef NDEBUG
1956         int real_count = game_busy_callback( NULL );
1957
1958         mprintf(( "=================== ENDING LOAD ================\n" ));
1959         mprintf(( "Real count = %d,  Estimated count = %d\n", real_count, COUNT_ESTIMATE ));
1960         mprintf(( "================================================\n" ));
1961 #else
1962         game_busy_callback( NULL );
1963 #endif
1964
1965         Mouse_hidden = 0;
1966
1967         Game_loading_callback_inited = 0;
1968
1969         free_anim_instance(Game_loading_ani_instance);
1970         Game_loading_ani_instance = NULL;
1971         anim_free(Game_loading_ani);
1972         Game_loading_ani = NULL;
1973
1974         if (Game_loading_ani_bitmap > -1) {
1975                 bm_release(Game_loading_ani_bitmap);
1976                 Game_loading_ani_bitmap = -1;
1977         }
1978
1979         if (Game_loading_background > -1) {
1980                 bm_release(Game_loading_background);
1981                 Game_loading_background = -1;
1982         }
1983
1984         common_free_interface_palette();                // restore game palette
1985
1986
1987         gr_set_font( FONT1 );
1988 }
1989
1990 // Update the sound environment (ie change EAX settings based on proximity to large ships)
1991 //
1992 void game_maybe_update_sound_environment()
1993 {
1994         // do nothing for now
1995 }
1996
1997 // Assign the sound environment for the game, based on the current mission
1998 //
1999 void game_assign_sound_environment()
2000 {
2001 #ifdef MAKE_FS1
2002         if (The_mission.flags & MISSION_FLAG_SUBSPACE) {
2003                 Game_sound_env.id = SND_ENV_DRUGGED;
2004                 Game_sound_env.volume = 0.800f;
2005                 Game_sound_env.damping = 1.188f;
2006                 Game_sound_env.decay = 6.392f;
2007 #ifndef FS1_DEMO
2008         } else if (Num_asteroids > 30) {
2009                 Game_sound_env.id = SND_ENV_AUDITORIUM;
2010                 Game_sound_env.volume = 0.603f;
2011                 Game_sound_env.damping = 0.5f;
2012                 Game_sound_env.decay = 4.279f;
2013 #endif
2014         } else {
2015                 Game_sound_env = Game_default_sound_env;
2016         }
2017 #else
2018         Game_sound_env = Game_default_sound_env;
2019 #endif
2020
2021         Game_sound_env_update_timestamp = timestamp(1);
2022 }
2023
2024 // function which gets called before actually entering the mission.  It is broken down into a funciton
2025 // since it will get called in one place from a single player game and from another place for
2026 // a multiplayer game
2027 extern "C"
2028 void freespace_mission_load_stuff()
2029 {
2030         // called if we're not on a freespace dedicated (non rendering, no pilot) server
2031         // IE : we _don't_ want to load any sounds or bitmap/texture info on this machine.
2032         if(!(Game_mode & GM_STANDALONE_SERVER)){        
2033         
2034                 mprintf(( "=================== STARTING LEVEL DATA LOAD ==================\n" ));
2035
2036                 game_loading_callback_init();
2037                 
2038                 event_music_level_init();       // preloads the first 2 seconds for each event music track
2039                 game_busy();
2040
2041                 gamesnd_unload_interface_sounds();              // unload interface sounds from memory
2042                 game_busy();
2043
2044                 gamesnd_preload_common_sounds();                        // load in sounds that are expected to play
2045                 game_busy();
2046
2047                 ship_assign_sound_all();        // assign engine sounds to ships
2048                 game_assign_sound_environment();         // assign the sound environment for this mission
2049                 game_busy();
2050
2051                 // call function in missionparse.cpp to fixup player/ai stuff.
2052                 mission_parse_fixup_players();
2053                 game_busy();
2054
2055                 // Load in all the bitmaps for this level
2056                 level_page_in();
2057
2058                 game_busy();
2059
2060                 game_loading_callback_close();  
2061         } 
2062         // the only thing we need to call on the standalone for now.
2063         else {
2064                 // call function in missionparse.cpp to fixup player/ai stuff.
2065                 mission_parse_fixup_players();
2066
2067                 // Load in all the bitmaps for this level
2068                 level_page_in();
2069         }
2070 }
2071
2072 time_t load_gl_init;
2073 time_t load_mission_load;
2074 time_t load_post_level_init;
2075 time_t load_mission_stuff;
2076
2077 // tells the server to load the mission and initialize structures
2078 extern "C"
2079 int game_start_mission()
2080 {       
2081         mprintf(( "=================== STARTING LEVEL LOAD ==================\n" ));
2082         
2083         load_gl_init = time(NULL);
2084         game_level_init();
2085         load_gl_init = time(NULL) - load_gl_init;
2086         
2087         if (Game_mode & GM_MULTIPLAYER) {
2088                 Player->flags |= PLAYER_FLAGS_IS_MULTI;
2089
2090                 // clear multiplayer stats
2091                 init_multiplayer_stats();
2092         }
2093
2094         load_mission_load = time(NULL);
2095         if (mission_load()) {
2096                 if ( !(Game_mode & GM_MULTIPLAYER) ) {
2097                         popup(PF_BODY_BIG, 1, POPUP_OK, XSTR( "Attempt to load the mission failed", 169));
2098                         gameseq_post_event(GS_EVENT_MAIN_MENU);
2099                 } else {
2100                         multi_quit_game(PROMPT_NONE, MULTI_END_NOTIFY_NONE, MULTI_END_ERROR_LOAD_FAIL);
2101                 }
2102
2103                 return 0;
2104         }
2105         load_mission_load = time(NULL) - load_mission_load;
2106
2107         // If this is a red alert mission in campaign mode, bash wingman status
2108         if ( (Game_mode & GM_CAMPAIGN_MODE) && red_alert_mission() ) {
2109                 red_alert_bash_wingman_status();
2110         }
2111
2112         // the standalone server in multiplayer doesn't do any rendering, so we will not even bother loading the palette
2113         if ( !(Game_mode & GM_STANDALONE_SERVER) ) {
2114                 mprintf(( "=================== LOADING GAME PALETTE ================\n" ));
2115 #ifdef MAKE_FS1
2116                 game_load_palette();
2117 #endif
2118         }
2119
2120         load_post_level_init = time(NULL);
2121         game_post_level_init();
2122         load_post_level_init = time(NULL) - load_post_level_init;
2123
2124         #ifndef NDEBUG
2125         {
2126                 void Do_model_timings_test();
2127                 Do_model_timings_test();        
2128         }
2129         #endif
2130
2131         load_mission_stuff = time(NULL);
2132         freespace_mission_load_stuff();
2133         load_mission_stuff = time(NULL) - load_mission_stuff;
2134
2135         return 1;
2136 }
2137
2138 int Interface_framerate = 0;
2139 #ifndef NDEBUG
2140
2141 DCF_BOOL( mouse_control, Use_mouse_to_fly )
2142 DCF_BOOL( show_framerate, Show_framerate )
2143 DCF_BOOL( show_target_debug_info, Show_target_debug_info )
2144 DCF_BOOL( show_target_weapons, Show_target_weapons )
2145 DCF_BOOL( lead_target_cheat, Players[Player_num].lead_target_cheat )
2146 DCF_BOOL( sound, Sound_enabled )
2147 DCF_BOOL( zbuffer, game_zbuffer )
2148 DCF_BOOL( shield_system, New_shield_system )
2149 DCF_BOOL( show_shield_mesh, Show_shield_mesh)
2150 DCF_BOOL( player_attacking, Player_attacking_enabled )
2151 DCF_BOOL( show_waypoints, Show_waypoints )
2152 DCF_BOOL( show_area_effect, Show_area_effect )
2153 DCF_BOOL( show_net_stats, Show_net_stats )
2154 DCF_BOOL( log, Log_debug_output_to_file )
2155 DCF_BOOL( training_msg_method, Training_msg_method )
2156 DCF_BOOL( show_player_pos, Show_player_pos )
2157 DCF_BOOL(i_framerate, Interface_framerate )
2158
2159 DCF(show_mem,"Toggles showing mem usage")
2160 {
2161         if ( Dc_command )       {       
2162                 dc_get_arg(ARG_TRUE|ARG_FALSE|ARG_NONE);                
2163                 if ( Dc_arg_type & ARG_TRUE )   Show_mem = 1;   
2164                 else if ( Dc_arg_type & ARG_FALSE ) Show_mem = 0;       
2165                 else if ( Dc_arg_type & ARG_NONE ) Show_mem ^= 1;       
2166
2167                 if ( Show_mem ) {
2168                         Show_cpu = 0;
2169                 }
2170         }       
2171         if ( Dc_help )  dc_printf( "Usage: Show_mem\nSets show_mem to true or false.  If nothing passed, then toggles it.\n" ); 
2172         if ( Dc_status )        {
2173                 dc_printf( "Show_mem is %s\n", (Show_mem?"TRUE":"FALSE") );     
2174                 dc_printf( "Show_cpu is %s\n", (Show_cpu?"TRUE":"FALSE") );     
2175         }
2176 }
2177
2178 DCF(show_cpu,"Toggles showing cpu usage")
2179 {
2180         if ( Dc_command )       {       
2181                 dc_get_arg(ARG_TRUE|ARG_FALSE|ARG_NONE);                
2182                 if ( Dc_arg_type & ARG_TRUE )   Show_cpu = 1;   
2183                 else if ( Dc_arg_type & ARG_FALSE ) Show_cpu = 0;       
2184                 else if ( Dc_arg_type & ARG_NONE ) Show_cpu ^= 1;       
2185
2186                 if ( Show_cpu ) {
2187                         Show_mem = 0;
2188                 }
2189         }       
2190         if ( Dc_help )  dc_printf( "Usage: Show_cpu\nSets show_cpu to true or false.  If nothing passed, then toggles it.\n" ); 
2191         if ( Dc_status )        {
2192                 dc_printf( "Show_mem is %s\n", (Show_mem?"TRUE":"FALSE") );     
2193                 dc_printf( "Show_cpu is %s\n", (Show_cpu?"TRUE":"FALSE") );     
2194
2195         }
2196 }
2197
2198 #else
2199
2200         // AL 4-8-98: always allow players to display their framerate
2201
2202         #ifdef FS2_DEMO
2203                 DCF_BOOL( show_framerate, Show_framerate )
2204         #endif
2205
2206 #endif  // NDEBUG
2207
2208                         int Game_init_seed;
2209
2210 DCF(use_joy_mouse,"Makes joystick move mouse cursor")
2211 {
2212         if ( Dc_command )       {       
2213                 dc_get_arg(ARG_TRUE|ARG_FALSE|ARG_NONE);                
2214                 if ( Dc_arg_type & ARG_TRUE )   Use_joy_mouse = 1;      
2215                 else if ( Dc_arg_type & ARG_FALSE ) Use_joy_mouse = 0;  
2216                 else if ( Dc_arg_type & ARG_NONE ) Use_joy_mouse ^= 1;  
2217         }       
2218         if ( Dc_help )  dc_printf( "Usage: use_joy_mouse [bool]\nSets use_joy_mouse to true or false.  If nothing passed, then toggles it.\n" );        
2219         if ( Dc_status )        dc_printf( "use_joy_mouse is %s\n", (Use_joy_mouse?"TRUE":"FALSE") );   
2220
2221         os_config_write_uint( NULL, NOX("JoystickMovesCursor"), Use_joy_mouse );
2222 }
2223
2224 DCF(palette_flash,"Toggles palette flash effect on/off")
2225 {
2226         if ( Dc_command )       {       
2227                 dc_get_arg(ARG_TRUE|ARG_FALSE|ARG_NONE);                
2228                 if ( Dc_arg_type & ARG_TRUE )   Use_palette_flash = 1;  
2229                 else if ( Dc_arg_type & ARG_FALSE ) Use_palette_flash = 0;      
2230                 else if ( Dc_arg_type & ARG_NONE ) Use_palette_flash ^= 1;      
2231         }       
2232         if ( Dc_help )  dc_printf( "Usage: palette_flash [bool]\nSets palette_flash to true or false.  If nothing passed, then toggles it.\n" );        
2233         if ( Dc_status )        dc_printf( "palette_flash is %s\n", (Use_palette_flash?"TRUE":"FALSE") );       
2234 }
2235
2236 int Use_low_mem = 0;
2237
2238 DCF(low_mem,"Uses low memory settings regardless of RAM")
2239 {
2240         if ( Dc_command )       {       
2241                 dc_get_arg(ARG_TRUE|ARG_FALSE|ARG_NONE);                
2242                 if ( Dc_arg_type & ARG_TRUE )   Use_low_mem = 1;        
2243                 else if ( Dc_arg_type & ARG_FALSE ) Use_low_mem = 0;    
2244                 else if ( Dc_arg_type & ARG_NONE ) Use_low_mem ^= 1;    
2245         }       
2246         if ( Dc_help )  dc_printf( "Usage: low_mem [bool]\nSets low_mem to true or false.  If nothing passed, then toggles it.\n" );    
2247         if ( Dc_status )        dc_printf( "low_mem is %s\n", (Use_low_mem?"TRUE":"FALSE") );   
2248
2249         os_config_write_uint( NULL, NOX("LowMem"), Use_low_mem );
2250 }
2251
2252
2253 int     Framerate_delay = 0;
2254
2255 float Freespace_gamma = 1.8f;
2256
2257 DCF(gamma,"Sets Gamma factor")
2258 {
2259         if ( Dc_command )       {
2260                 dc_get_arg(ARG_FLOAT|ARG_NONE);
2261                 if ( Dc_arg_type & ARG_FLOAT )  {
2262                         Freespace_gamma = Dc_arg_float;
2263                 } else {
2264                         dc_printf( "Gamma reset to 1.0f\n" );
2265                         Freespace_gamma = 1.0f;
2266                 }
2267                 if ( Freespace_gamma < 0.1f )   {
2268                         Freespace_gamma = 0.1f;
2269                 } else if ( Freespace_gamma > 5.0f )    {
2270                         Freespace_gamma = 5.0f;
2271                 }
2272                 gr_set_gamma(Freespace_gamma);
2273
2274                 char tmp_gamma_string[32];
2275                 SDL_snprintf( tmp_gamma_string, SDL_arraysize(tmp_gamma_string), NOX("%.2f"), Freespace_gamma );
2276                 os_config_write_string( NULL, NOX("Gamma"), tmp_gamma_string );
2277         }
2278
2279         if ( Dc_help )  {
2280                 dc_printf( "Usage: gamma <float>\n" );
2281                 dc_printf( "Sets gamma in range 1-3, no argument resets to default 1.2\n" );
2282                 Dc_status = 0;  // don't print status if help is printed.  Too messy.
2283         }
2284
2285         if ( Dc_status )        {
2286                 dc_printf( "Gamma = %.2f\n", Freespace_gamma );
2287         }
2288 }
2289
2290 extern void bm_init();
2291
2292 extern "C"
2293 void game_init()
2294 {
2295         Game_current_mission_filename[0] = 0;
2296
2297         // seed the random number generator
2298         Game_init_seed = (int)time(NULL);
2299         srand( Game_init_seed );
2300
2301         Framerate_delay = 0;
2302
2303         #ifndef NDEBUG
2304         load_filter_info();
2305         #endif
2306
2307         bm_init();
2308
2309         // encrypt stuff
2310         encrypt_init();
2311
2312         // Initialize the timer before the os
2313         timer_init();
2314
2315 #ifndef NDEBUG
2316         int s1, e1;
2317         // int s2, e2;
2318
2319         //Initialize the libraries
2320         s1 = timer_get_milliseconds();
2321 #endif
2322
2323         if ( cfile_init() ) {                   // initialize before calling any cfopen stuff!!!
2324                 exit(1);
2325         }
2326
2327 #ifndef NDEBUG
2328         e1 = timer_get_milliseconds();
2329 #endif
2330
2331         // time a bunch of cfopens      
2332         /*
2333         s2 = timer_get_milliseconds();  
2334         CFILE *whee;
2335         for(int idx=0; idx<10000; idx++){
2336                 whee = cfopen("capital01.pof", "rb", CFILE_NORMAL, CF_TYPE_MODELS);
2337                 if(whee != NULL){
2338                         cfclose(whee);
2339                 }
2340                 whee = NULL;
2341                 //cf_exist("capital01.pof", CF_TYPE_MODELS);
2342         }
2343         e2 = timer_get_milliseconds();  
2344         */
2345
2346         os_init( Osreg_class_name, Osreg_app_name );
2347         os_set_title(Osreg_title);
2348
2349         // initialize localization module. Make sure this is down AFTER initialzing OS.
2350 //      int t1 = timer_get_milliseconds();
2351         lcl_init( detect_lang() );
2352         lcl_xstr_init();
2353 //      mprintf(("LCL_INIT() TOOK %d MS\n", timer_get_milliseconds()-t1));
2354
2355         // verify that he has a valid ships.tbl (will Game_ships_tbl_valid if so)
2356         verify_ships_tbl();
2357
2358         // verify that he has a valid weapons.tbl
2359         verify_weapons_tbl();
2360
2361         // Output version numbers to registry for auto patching purposes
2362         os_config_write_uint(NOX("Version"), NOX("Major"), FS_VERSION_MAJOR);
2363         os_config_write_uint(NOX("Version"), NOX("Minor"), FS_VERSION_MINOR);
2364         os_config_write_uint(NOX("Version"), NOX("Build"), FS_VERSION_BUILD);
2365
2366         Use_joy_mouse = 0;              //os_config_read_uint( NULL, NOX("JoystickMovesCursor"), 1 );
2367         //Use_palette_flash = os_config_read_uint( NULL, NOX("PaletteFlash"), 0 );
2368         Use_low_mem = os_config_read_uint( NULL, NOX("LowMem"), 0 );
2369
2370         // show the FPS counter if the config file says so
2371         Show_framerate = os_config_read_uint( "Video", "ShowFPS", Show_framerate );
2372
2373 #if !(defined(FS2_DEMO) || defined(FS1_DEMO))
2374         Asteroids_enabled = 1;          
2375 #endif
2376
2377 /////////////////////////////
2378 // SOUND INIT START
2379 /////////////////////////////
2380
2381         if (!Is_standalone) {
2382                 snd_init();
2383         }
2384
2385 /////////////////////////////
2386 // SOUND INIT END
2387 /////////////////////////////
2388
2389
2390         gr_init();
2391
2392         os_set_icon();
2393
2394 #if defined(FS2_DEMO) || defined(OEM_BUILD)
2395         // add title screen
2396         if(!Is_standalone){
2397                 display_title_screen();
2398         }
2399 #endif
2400
2401         // If less than 48MB of RAM, use low memory model.
2402         if ( (Freespace_total_ram < 48) || Use_low_mem )        {
2403                 mprintf(( "Using normal memory settings...\n" ));
2404                 bm_set_low_mem(1);              // Use every other frame of bitmaps
2405         } else {
2406                 mprintf(( "Using high memory settings...\n" ));
2407                 bm_set_low_mem(0);              // Use all frames of bitmaps
2408         }
2409
2410         // load non-darkening pixel defs
2411         palman_load_pixels();
2412
2413         // hud shield icon stuff
2414         hud_shield_game_init();
2415
2416         control_config_common_init();                           // sets up localization stuff in the control config
2417         parse_rank_tbl();
2418         parse_medal_tbl();
2419         cutscene_init();
2420         key_init();
2421         mouse_init();
2422         gamesnd_parse_soundstbl();
2423         radar_init();
2424         gameseq_init();
2425         multi_init();   
2426
2427         // standalone's don't use hte joystick and it seems to sometimes cause them to not get shutdown properly
2428         if(!Is_standalone){
2429                 joy_init();
2430         }
2431
2432         player_controls_init();
2433         model_init();   
2434
2435         //if(!Is_standalone){
2436                 event_music_init();
2437         //}     
2438
2439         obj_init();     
2440         mflash_game_init();     
2441         weapon_init();  
2442         ai_init();              
2443         ship_init();                                            // read in ships.tbl    
2444         player_init();  
2445         mission_campaign_init();                // load in the default campaign 
2446         anim_init();
2447 //      navmap_init();                                          // init the navigation map system
2448         context_help_init();                    
2449         techroom_intel_init();                  // parse species.tbl, load intel info   
2450         // initialize psnet
2451         psnet_init( Multi_options_g.protocol, Multi_options_g.port );                                           // initialize the networking code               
2452         init_animating_pointer();       
2453         asteroid_init();
2454         mission_brief_common_init();    // Mark all the briefing structures as empty.           
2455         gr_font_init();                                 // loads up all fonts           
2456
2457         neb2_init();                                            // fullneb stuff
2458         nebl_init();
2459         stars_init();
2460         ssm_init();     
2461         player_tips_init();                             // helpful tips
2462         beam_init();
2463         
2464         // load the list of pilot pic filenames (for barracks and pilot select popup quick reference)
2465         pilot_load_pic_list();  
2466         pilot_load_squad_pic_list();
2467
2468         load_animating_pointer(NOX("cursor"), 0, 0);    
2469
2470         // initialize alpha colors
2471         alpha_colors_init();    
2472
2473         Viewer_mode = 0;
2474 //      Game_music_paused = 0;
2475         Game_paused = 0;
2476
2477         if (Is_standalone) {
2478                 std_init_standalone();
2479         }
2480
2481         nprintf(("General", "Ships.tbl is : %s\n", Game_ships_tbl_valid ? "VALID" : "INVALID!!!!"));
2482         nprintf(("General", "Weapons.tbl is : %s\n", Game_weapons_tbl_valid ? "VALID" : "INVALID!!!!"));
2483
2484         mprintf(("cfile_init() took %d\n", e1 - s1));
2485         // mprintf(("1000 cfopens() took %d\n", e2 - s2));      
2486 }
2487
2488 char transfer_text[128];
2489
2490 float   Start_time = 0.0f;
2491
2492 float Framerate = 0.0f;
2493
2494 float Timing_total = 0.0f;
2495 float Timing_render2 = 0.0f;
2496 float Timing_render3 = 0.0f;
2497 float Timing_flip = 0.0f;
2498 float Timing_clear = 0.0f;
2499
2500 MONITOR(NumPolysDrawn);
2501 MONITOR(NumPolys);
2502 MONITOR(NumVerts);
2503 MONITOR(BmpUsed);
2504 MONITOR(BmpNew);
2505
2506 void game_get_framerate()
2507 {       
2508         char text[128] = "";
2509
2510         if ( frame_int == -1 )  {
2511                 int i;
2512                 for (i=0; i<FRAME_FILTER; i++ ) {
2513                         frametimes[i] = 0.0f;
2514                 }
2515                 frametotal = 0.0f;
2516                 frame_int = 0;
2517         }
2518         frametotal -= frametimes[frame_int];
2519         frametotal += flFrametime;
2520         frametimes[frame_int] = flFrametime;
2521         frame_int = (frame_int + 1 ) % FRAME_FILTER;
2522
2523         if ( frametotal != 0.0 )        {
2524                 if ( Framecount >= FRAME_FILTER )
2525                         Framerate = FRAME_FILTER / frametotal;
2526                 else
2527                         Framerate = Framecount / frametotal;
2528                 SDL_snprintf( text, SDL_arraysize(text), NOX("FPS: %.1f"), Framerate );
2529         } else {
2530                 SDL_snprintf( text, SDL_arraysize(text), NOX("FPS: ?") );
2531         }
2532         Framecount++;
2533
2534         if (Show_framerate)     {
2535                 gr_set_color_fast(&HUD_color_debug);
2536                 gr_string( 570, 2, text );
2537         }
2538 }
2539
2540 void game_show_framerate()
2541 {       
2542         float   cur_time;
2543
2544         cur_time = f2fl(timer_get_approx_seconds());
2545         if (cur_time - Start_time > 30.0f) {
2546                 mprintf(("%i frames executed in %7.3f seconds, %7.3f frames per second.\n", Framecount, cur_time - Start_time, Framecount/(cur_time - Start_time)));
2547                 Start_time += 1000.0f;
2548         }
2549
2550         //mprintf(( "%s\n", text ));
2551
2552 #ifndef NDEBUG
2553         if ( Debug_dump_frames )
2554                 return;
2555 #endif  
2556
2557         // possibly show control checking info
2558         control_check_indicate();
2559
2560 //      int bitmaps_used_this_frame, bitmaps_new_this_frame;
2561 //      bm_get_frame_usage(&bitmaps_used_this_frame,&bitmaps_new_this_frame);
2562 //      MONITOR_INC(BmpUsed, bitmaps_used_this_frame);
2563 // MONITOR_INC(BmpNew, bitmaps_new_this_frame);
2564
2565 #ifndef NDEBUG
2566         if ( Show_cpu == 1 ) {
2567                 
2568                 int sx,sy,dy;
2569                 sx = 530;
2570                 sy = 15;
2571                 dy = gr_get_font_height() + 1;
2572
2573                 gr_set_color_fast(&HUD_color_debug);
2574
2575                 {
2576                         extern int Gr_textures_in;
2577                         gr_printf( sx, sy, NOX("VRAM: %d KB\n"), Gr_textures_in/1024 );
2578                         sy += dy;
2579                 }
2580 //              gr_printf( sx, sy, "BPP: %d", gr_screen.bits_per_pixel );
2581 //              sy += dy;
2582                 gr_printf( sx, sy, NOX("DMA: %s"), transfer_text );
2583                 sy += dy;
2584                 gr_printf( sx, sy, NOX("POLYP: %d"), modelstats_num_polys );
2585                 sy += dy;
2586                 gr_printf( sx, sy, NOX("POLYD: %d"), modelstats_num_polys_drawn );
2587                 sy += dy;
2588                 gr_printf( sx, sy, NOX("VERTS: %d"), modelstats_num_verts );
2589                 sy += dy;
2590
2591                 {
2592
2593                         extern int Num_pairs;           // Number of object pairs that were checked.
2594                         gr_printf( sx, sy, NOX("PAIRS: %d"), Num_pairs );
2595                         sy += dy;
2596
2597                         extern int Num_pairs_checked;   // What percent of object pairs were checked.
2598                         gr_printf( sx, sy, NOX("FVI: %d"), Num_pairs_checked );
2599                         sy += dy;
2600                         Num_pairs_checked = 0;
2601
2602                 }
2603
2604                 gr_printf( sx, sy, NOX("Snds: %d"), snd_num_playing() );
2605                 sy += dy;
2606
2607                 if ( Timing_total > 0.01f )     {
2608                         gr_printf(  sx, sy, NOX("CLEAR: %.0f%%"), Timing_clear*100.0f/Timing_total );
2609                         sy += dy;
2610                         gr_printf( sx, sy, NOX("REND2D: %.0f%%"), Timing_render2*100.0f/Timing_total );
2611                         sy += dy;
2612                         gr_printf( sx, sy, NOX("REND3D: %.0f%%"), Timing_render3*100.0f/Timing_total );
2613                         sy += dy;
2614                         gr_printf( sx, sy, NOX("FLIP: %.0f%%"), Timing_flip*100.0f/Timing_total );
2615                         sy += dy;
2616                         gr_printf( sx, sy, NOX("GAME: %.0f%%"), (Timing_total-(Timing_render2+Timing_render3+Timing_flip+Timing_clear))*100.0f/Timing_total );
2617                 }
2618         }
2619                 
2620         if ( Show_mem  ) {
2621                 
2622                 int sx,sy,dy;
2623                 sx = 530;
2624                 sy = 15;
2625                 dy = gr_get_font_height() + 1;
2626
2627                 gr_set_color_fast(&HUD_color_debug);
2628
2629                 {
2630                         extern int TotalRam;
2631                         gr_printf( sx, sy, NOX("DYN: %d KB\n"), TotalRam/1024 );
2632                         sy += dy;
2633                 }       
2634
2635                 {
2636                         extern int Model_ram;
2637                         gr_printf( sx, sy, NOX("POF: %d KB\n"), Model_ram/1024 );
2638                         sy += dy;
2639                 }       
2640
2641                 gr_printf( sx, sy, NOX("BMP: %d KB\n"), bm_texture_ram/1024 );
2642                 sy += dy;
2643                 gr_printf( sx, sy, NOX("S-SRAM: %d KB\n"), Snd_sram/1024 );             // mem used to store game sound
2644                 sy += dy;
2645
2646                 {
2647                         extern int Gr_textures_in;
2648                         gr_printf( sx, sy, NOX("VRAM: %d KB\n"), Gr_textures_in/1024 );
2649                 }
2650         }
2651
2652
2653         if ( Show_player_pos ) {
2654                 int sx, sy;
2655                 sx = 320;
2656                 sy = 100;
2657                 gr_printf(sx, sy, NOX("Player Pos: (%d,%d,%d)"), fl2i(Player_obj->pos.xyz.x), fl2i(Player_obj->pos.xyz.y), fl2i(Player_obj->pos.xyz.z));
2658         }
2659
2660         MONITOR_INC(NumPolys, modelstats_num_polys);
2661         MONITOR_INC(NumPolysDrawn, modelstats_num_polys_drawn );
2662         MONITOR_INC(NumVerts, modelstats_num_verts );
2663
2664         modelstats_num_polys = 0;
2665         modelstats_num_polys_drawn = 0;
2666         modelstats_num_verts = 0;
2667         modelstats_num_sortnorms = 0;
2668 #endif
2669 }
2670
2671 void game_show_standalone_framerate()
2672 {
2673         float frame_rate=30.0f;
2674         if ( frame_int == -1 )  {
2675                 int i;
2676                 for (i=0; i<FRAME_FILTER; i++ ) {
2677                         frametimes[i] = 0.0f;
2678                 }
2679                 frametotal = 0.0f;
2680                 frame_int = 0;
2681         }
2682         frametotal -= frametimes[frame_int];
2683         frametotal += flFrametime;
2684         frametimes[frame_int] = flFrametime;
2685         frame_int = (frame_int + 1 ) % FRAME_FILTER;
2686
2687         if ( frametotal != 0.0 )        {
2688                 if ( Framecount >= FRAME_FILTER ){
2689                         frame_rate = FRAME_FILTER / frametotal;
2690                 } else {
2691                         frame_rate = Framecount / frametotal;
2692                 }
2693         }
2694         std_set_standalone_fps(frame_rate);
2695         Framecount++;
2696 }
2697
2698 // function to show the time remaining in a mission.  Used only when the end-mission sexpression is used
2699 void game_show_time_left()
2700 {
2701         int diff;
2702
2703         // mission_end_time is a global from missionparse.cpp that contains the mission time at which the
2704         // mission should end (in fixed seconds).  There is code in missionparse.cpp which actually handles
2705         // checking how much time is left
2706
2707         if ( Mission_end_time == -1 ){
2708                 return;
2709         }
2710
2711         diff = f2i(Mission_end_time - Missiontime);
2712         // be sure to bash to 0.  diff could be negative on frame that we quit mission
2713         if ( diff < 0 ){
2714                 diff = 0;
2715         }
2716
2717         hud_set_default_color();
2718         gr_printf( 5, 40, XSTR( "Mission time remaining: %d seconds", 179), diff );
2719 }
2720
2721 //========================================================================================
2722 //=================== NEW DEBUG CONSOLE COMMANDS TO REPLACE OLD DEBUG PAUSE MENU =========
2723 //========================================================================================
2724
2725 #ifndef NDEBUG
2726
2727 DCF(ai_pause,"Pauses ai")
2728 {
2729         if ( Dc_command )       {       
2730                 dc_get_arg(ARG_TRUE|ARG_FALSE|ARG_NONE);                
2731                 if ( Dc_arg_type & ARG_TRUE )   ai_paused = 1;  
2732                 else if ( Dc_arg_type & ARG_FALSE ) ai_paused = 0;      
2733                 else if ( Dc_arg_type & ARG_NONE ) ai_paused = !ai_paused;      
2734
2735                 if (ai_paused)  {       
2736                         obj_init_all_ships_physics();
2737                 }
2738         }       
2739         if ( Dc_help )  dc_printf( "Usage: ai_paused [bool]\nSets ai_paused to true or false.  If nothing passed, then toggles it.\n" );        
2740         if ( Dc_status )        dc_printf( "ai_paused is %s\n", (ai_paused?"TRUE":"FALSE") );   
2741 }
2742
2743 DCF(single_step,"Single steps the game")
2744 {
2745         if ( Dc_command )       {       
2746                 dc_get_arg(ARG_TRUE|ARG_FALSE|ARG_NONE);                
2747                 if ( Dc_arg_type & ARG_TRUE )   game_single_step = 1;   
2748                 else if ( Dc_arg_type & ARG_FALSE ) game_single_step = 0;       
2749                 else if ( Dc_arg_type & ARG_NONE ) game_single_step = !game_single_step;        
2750
2751                 last_single_step = 0;   // Make so single step waits a frame before stepping
2752
2753         }       
2754         if ( Dc_help )  dc_printf( "Usage: single_step [bool]\nSets single_step to true or false.  If nothing passed, then toggles it.\n" );    
2755         if ( Dc_status )        dc_printf( "single_step is %s\n", (game_single_step?"TRUE":"FALSE") );  
2756 }
2757
2758 DCF_BOOL(physics_pause, physics_paused)
2759 DCF_BOOL(ai_rendering, Ai_render_debug_flag)
2760 DCF_BOOL(ai_firing, Ai_firing_enabled )
2761
2762 // Create some simple aliases to these commands...
2763 debug_command dc_s("s","shortcut for single_step",dcf_single_step);
2764 debug_command dc_p("p","shortcut for physics_pause", dcf_physics_pause );
2765 debug_command dc_r("r","shortcut for ai_rendering", dcf_ai_rendering );
2766 debug_command dc_f("f","shortcut for ai_firing", dcf_ai_firing);
2767 debug_command dc_a("a","shortcut for ai_pause", dcf_ai_pause);
2768 #endif
2769
2770 //========================================================================================
2771 //========================================================================================
2772
2773
2774 void game_training_pause_do()
2775 {
2776         int key;
2777
2778         key = game_check_key();
2779         if (key > 0){
2780                 gameseq_post_event(GS_EVENT_PREVIOUS_STATE);
2781         }
2782
2783         gr_flip();
2784 }
2785
2786
2787 void game_increase_skill_level()
2788 {
2789         Game_skill_level++;
2790         if (Game_skill_level >= NUM_SKILL_LEVELS){
2791                 Game_skill_level = 0;
2792         }
2793 }
2794
2795 int     Player_died_time;
2796
2797 int View_percent = 100;
2798
2799
2800 DCF(view, "Sets the percent of the 3d view to render.")
2801 {
2802         if ( Dc_command ) {
2803                 dc_get_arg(ARG_INT);
2804                 if ( (Dc_arg_int >= 5 ) || (Dc_arg_int <= 100) ) {
2805                         View_percent = Dc_arg_int;
2806                 } else {
2807                         dc_printf( "Illegal value for view. (Must be from 5-100) \n\n");
2808                         Dc_help = 1;
2809                 }
2810         }
2811
2812         if ( Dc_help ) {
2813                 dc_printf("Usage: view [n]\nwhere n is percent of view to show (5-100).\n");
2814         }
2815         
2816         if ( Dc_status ) {
2817                 dc_printf("View is set to %d%%\n", View_percent );
2818         }
2819 }
2820
2821
2822 // Set the clip region for the 3d rendering window
2823 void game_set_view_clip()
2824 {
2825         if ((Game_mode & GM_DEAD) || (supernova_active() >= 2)) {
2826                 // Set the clip region for the letterbox "dead view"
2827                 int yborder = gr_screen.max_h/4;
2828
2829                 //      Numeric constants encouraged by J "pig farmer" S, who shall remain semi-anonymous.
2830                 // J.S. I've changed my ways!! See the new "no constants" code!!!
2831                 gr_set_clip(0, yborder, gr_screen.max_w, gr_screen.max_h - yborder*2 ); 
2832         } else {
2833                 // Set the clip region for normal view
2834                 if ( View_percent >= 100 )      {
2835                         gr_reset_clip();
2836                 } else {
2837                         int xborder, yborder;
2838
2839                         if ( View_percent < 5 ) {
2840                                 View_percent = 5;
2841                         }
2842
2843                         float fp = i2fl(View_percent)/100.0f;
2844                         int fi = fl2i(fl_sqrt(fp)*100.0f);
2845                         if ( fi > 100 ) fi=100;
2846                         
2847                         xborder = ( gr_screen.max_w*(100-fi) )/200;
2848                         yborder = ( gr_screen.max_h*(100-fi) )/200;
2849
2850                         gr_set_clip(xborder, yborder, gr_screen.max_w-xborder*2,gr_screen.max_h-yborder*2 );
2851                 }
2852         }
2853 }
2854
2855
2856 void show_debug_stuff()
2857 {
2858         int     i;
2859         int     laser_count = 0, missile_count = 0;
2860
2861         for (i=0; i<MAX_OBJECTS; i++) {
2862                 if (Objects[i].type == OBJ_WEAPON){
2863                         if (Weapon_info[Weapons[Objects[i].instance].weapon_info_index].subtype == WP_LASER){
2864                                 laser_count++;
2865                         } else if (Weapon_info[Weapons[Objects[i].instance].weapon_info_index].subtype == WP_MISSILE){
2866                                 missile_count++;
2867                         }
2868                 }
2869         }
2870
2871         nprintf(("Mike", "Frame: %i Lasers: %4i, Missiles: %4i\n", Framecount, laser_count, missile_count));
2872 }
2873
2874 extern int Tool_enabled;
2875 int tst = 0;
2876 time_t tst_time = 0;
2877 int tst_big = 0;
2878 vector tst_pos;
2879 int tst_bitmap = -1;
2880 float tst_x, tst_y;
2881 float tst_offset, tst_offset_total;
2882 int tst_mode;
2883 int tst_stamp;
2884 void game_tst_frame_pre()
2885 {
2886         // start tst
2887         if(tst == 3){
2888                 tst = 0;
2889
2890                 // screen position
2891                 vertex v;
2892                 g3_rotate_vertex(&v, &tst_pos);
2893                 g3_project_vertex(&v);  
2894         
2895                 // offscreen
2896                 if(!((v.sx >= 0) && (v.sx <= gr_screen.max_w) && (v.sy >= 0) && (v.sy <= gr_screen.max_h))){
2897                         return;
2898                 }       
2899
2900                 // big ship? always tst
2901                 if(tst_big){
2902                         // within 3000 meters
2903                         if( vm_vec_dist_quick(&tst_pos, &Eye_position) <= 3000.0f){
2904                                 tst = 2;                                
2905                         }
2906                 } else {                        
2907                         // within 300 meters
2908                         if( (vm_vec_dist_quick(&tst_pos, &Eye_position) <= 300.0f) && ((tst_time == 0) || ((time(NULL) - tst_time) >= 10)) ){
2909                                 tst = 2;                                
2910                         } 
2911                 }                       
2912         }
2913
2914 }
2915 void game_tst_frame()
2916 {
2917         int left = 0;
2918
2919         if(!Tool_enabled){
2920                 return;
2921         }
2922         
2923         // setup tst
2924         if(tst == 2){           
2925                 tst_time = time(NULL);
2926
2927                 // load the tst bitmap          
2928                 switch((int)frand_range(0.0f, 3.0)){
2929                 case 0:                 
2930                         tst_bitmap = bm_load("ig_jim");
2931                         left = 1;
2932                         mprintf(("TST 0\n"));
2933                         break;
2934
2935                 case 1:
2936                         tst_bitmap = bm_load("ig_kan");
2937                         left = 0;
2938                         mprintf(("TST 1\n"));
2939                         break;
2940
2941                 case 2:
2942                         tst_bitmap = bm_load("ig_jim");
2943                         left = 1;
2944                         mprintf(("TST 2\n"));
2945                         break;
2946                         
2947                 default:                        
2948                         tst_bitmap = bm_load("ig_kan");
2949                         left = 0;
2950                         mprintf(("TST 3\n"));
2951                         break;
2952                 }
2953
2954                 if(tst_bitmap < 0){
2955                         tst = 0;
2956                         return;
2957                 }               
2958
2959                 // get the tst bitmap dimensions
2960                 int w, h;
2961                 bm_get_info(tst_bitmap, &w, &h);
2962
2963                 // tst y
2964                 tst_y = frand_range(0.0f, (float)gr_screen.max_h - h);
2965
2966                 snd_play(&Snds[SND_VASUDAN_BUP]);
2967
2968                 // tst x and direction
2969                 tst_mode = 0;
2970                 if(left){
2971                         tst_x = (float)-w;
2972                         tst_offset_total = (float)w;
2973                         tst_offset = (float)w;
2974                 } else {
2975                         tst_x = (float)gr_screen.max_w;
2976                         tst_offset_total = (float)-w;
2977                         tst_offset = (float)w;
2978                 }
2979
2980                 tst = 1;
2981         }
2982
2983         // run tst
2984         if(tst == 1){
2985                 float diff = (tst_offset_total / 0.5f) * flFrametime;
2986
2987                 // move the bitmap
2988                 if(tst_mode == 0){
2989                         tst_x += diff;
2990                         
2991                         tst_offset -= fl_abs(diff);
2992                 } else if(tst_mode == 2){
2993                         tst_x -= diff;
2994                         
2995                         tst_offset -= fl_abs(diff);
2996                 }
2997
2998                 // draw the bitmap
2999                 gr_set_bitmap(tst_bitmap, GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
3000                 gr_bitmap((int)tst_x, (int)tst_y);
3001
3002                 if(tst_mode == 1){
3003                         if(timestamp_elapsed_safe(tst_stamp, 1100)){
3004                                 tst_mode = 2;
3005                         }
3006                 } else {
3007                         // if we passed the switch point
3008                         if(tst_offset <= 0.0f){
3009                                 // switch modes
3010                                 switch(tst_mode){
3011                                 case 0:
3012                                         tst_mode = 1;
3013                                         tst_stamp = timestamp(1000);
3014                                         tst_offset = fl_abs(tst_offset_total);
3015                                         break;                          
3016
3017                                 case 2:                         
3018                                         tst = 0;
3019                                         return;
3020                                 }
3021                         }                               
3022                 }
3023         }
3024 }
3025 void game_tst_mark(object *objp, ship *shipp)
3026 {
3027         ship_info *sip; 
3028
3029         if(!Tool_enabled){
3030                 return;
3031         }
3032
3033         // bogus
3034         if((objp == NULL) || (shipp == NULL) || (shipp->ship_info_index < 0) || (shipp->ship_info_index >= Num_ship_types)){
3035                 return;
3036         }
3037         sip = &Ship_info[shipp->ship_info_index];
3038
3039         // already tst
3040         if(tst){
3041                 return;
3042         }
3043
3044         tst_pos = objp->pos;
3045         if(sip->flags & (SIF_BIG_SHIP | SIF_HUGE_SHIP)){
3046                 tst_big = 1;
3047         }
3048         tst = 3;
3049 }
3050
3051 extern void render_shields();
3052
3053 void player_repair_frame(float frametime)
3054 {
3055         if((Game_mode & GM_MULTIPLAYER) && (Net_player->flags & NETINFO_FLAG_AM_MASTER)){
3056                 int idx;
3057                 for(idx=0;idx<MAX_PLAYERS;idx++){
3058                         net_player *np;
3059
3060                         np = &Net_players[idx];
3061
3062                         if(MULTI_CONNECTED(Net_players[idx]) && (Net_player != NULL) && (Net_player->player_id != Net_players[idx].player_id) && (Net_players[idx].player != NULL) && (Net_players[idx].player->objnum >= 0) && (Net_players[idx].player->objnum < MAX_OBJECTS)){
3063
3064                                 // don't rearm/repair if the player is dead or dying/departing
3065                                 if ( !NETPLAYER_IS_DEAD(np) && !(Ships[Objects[np->player->objnum].instance].flags & (SF_DYING|SF_DEPARTING)) ) {
3066                                         ai_do_repair_frame(&Objects[Net_players[idx].player->objnum],&Ai_info[Ships[Objects[Net_players[idx].player->objnum].instance].ai_index],frametime);
3067                                 }
3068                         }
3069                 }
3070         }       
3071         if ( (Player_obj != NULL) && (Player_obj->type == OBJ_SHIP) && !(Game_mode & GM_STANDALONE_SERVER) && (Player_ship != NULL) && !(Player_ship->flags & SF_DYING) ) {
3072                 ai_do_repair_frame(Player_obj, &Ai_info[Ships[Player_obj->instance].ai_index], frametime);
3073         }
3074 }
3075
3076
3077 #ifndef NDEBUG
3078 #define NUM_FRAMES_TEST         300
3079 #define NUM_MIXED_SOUNDS        16
3080 void do_timing_test(float frametime)
3081 {
3082         static int framecount = 0;
3083         static int test_running = 0;
3084         static float test_time = 0.0f;
3085
3086         static int snds[NUM_MIXED_SOUNDS];
3087         int i;
3088
3089         if ( test_running ) {
3090                 framecount++;
3091                 test_time += frametime;
3092                 if ( framecount >= NUM_FRAMES_TEST ) {
3093                         test_running = 0;
3094                         nprintf(("General", "%d frames took %.3f seconds\n", NUM_FRAMES_TEST, test_time));
3095                         for ( i = 0; i < NUM_MIXED_SOUNDS; i++ )
3096                                 snd_stop(snds[i]);
3097                 }
3098         }
3099
3100         if ( Test_begin == 1 ) {
3101                 framecount = 0;
3102                 test_running = 1;
3103                 test_time = 0.0f;
3104                 Test_begin = 0;
3105
3106                 for ( i = 0; i < NUM_MIXED_SOUNDS; i++ )
3107                         snds[i] = -1;
3108
3109                 // start looping digital sounds
3110                 for ( i = 0; i < NUM_MIXED_SOUNDS; i++ )
3111                         snds[i] = snd_play_looping( &Snds[i], 0.0f);
3112         }
3113         
3114
3115 }
3116 #endif
3117
3118 DCF(dcf_fov, "Change the field of view")
3119 {
3120         if ( Dc_command )       {
3121                 dc_get_arg(ARG_FLOAT|ARG_NONE);
3122                 if ( Dc_arg_type & ARG_NONE )   {
3123                         Viewer_zoom = VIEWER_ZOOM_DEFAULT;
3124                         dc_printf( "Zoom factor reset\n" );
3125                 }
3126                 if ( Dc_arg_type & ARG_FLOAT )  {
3127                         if (Dc_arg_float < 0.25f) {
3128                                 Viewer_zoom = 0.25f;
3129                                 dc_printf("Zoom factor pinned at 0.25.\n");
3130                         } else if (Dc_arg_float > 1.25f) {
3131                                 Viewer_zoom = 1.25f;
3132                                 dc_printf("Zoom factor pinned at 1.25.\n");
3133                         } else {
3134                                 Viewer_zoom = Dc_arg_float;
3135                         }
3136                 }
3137         }
3138
3139         if ( Dc_help )  
3140                 dc_printf( "Usage: fov [factor]\nFactor is the zoom factor btwn .25 and 1.25\nNo parameter resets it to default.\n" );
3141
3142         if ( Dc_status )                                
3143                 dc_printf("Zoom factor set to %6.3f (original = 0.5, John = 0.75)", Viewer_zoom);
3144 }
3145
3146
3147 DCF(framerate_cap, "Sets the framerate cap")
3148 {
3149         if ( Dc_command ) {
3150                 dc_get_arg(ARG_INT);
3151                 if ( (Dc_arg_int >= 1 ) || (Dc_arg_int <= 120) ) {
3152                         Framerate_cap = Dc_arg_int;
3153                 } else {
3154                         dc_printf( "Illegal value for framerate cap. (Must be from 1-120) \n\n");
3155                         Dc_help = 1;
3156                 }
3157         }
3158
3159         if ( Dc_help ) {
3160                 dc_printf("Usage: framerate_cap [n]\nwhere n is the frames per second to cap framerate at.\n");
3161                 dc_printf("If n is 0 or omitted, then the framerate cap is removed\n");
3162                 dc_printf("[n] must be from 1 to 120.\n");
3163         }
3164         
3165         if ( Dc_status ) {
3166                 if ( Framerate_cap )
3167                         dc_printf("Framerate cap is set to %d fps\n", Framerate_cap );
3168                 else
3169                         dc_printf("There is no framerate cap currently active.\n");
3170         }
3171 }
3172
3173 #define MIN_DIST_TO_DEAD_CAMERA         50.0f
3174 int Show_viewing_from_self = 0;
3175
3176 void say_view_target()
3177 {
3178         object  *view_target;
3179
3180         if ((Viewer_mode & VM_OTHER_SHIP) && (Player_ai->target_objnum != -1))
3181                 view_target = &Objects[Player_ai->target_objnum];
3182         else
3183                 view_target = Player_obj;
3184
3185         if (Game_mode & GM_DEAD) {
3186                 if (Player_ai->target_objnum != -1)
3187                         view_target = &Objects[Player_ai->target_objnum];
3188         }
3189
3190         if (!(Game_mode & GM_DEAD_DIED) && ((Game_mode & (GM_DEAD_BLEW_UP)) || ((Last_view_target != NULL) && (Last_view_target != view_target)))) {
3191                 if (view_target != Player_obj){
3192
3193                         char *view_target_name = NULL;
3194                         switch(Objects[Player_ai->target_objnum].type) {
3195                         case OBJ_SHIP:
3196                                 view_target_name = Ships[Objects[Player_ai->target_objnum].instance].ship_name;
3197                                 break;
3198                         case OBJ_WEAPON:
3199                                 view_target_name = Weapon_info[Weapons[Objects[Player_ai->target_objnum].instance].weapon_info_index].name;
3200                                 Viewer_mode &= ~VM_OTHER_SHIP;
3201                                 break;
3202                         case OBJ_JUMP_NODE: {
3203                                 char    jump_node_name[128];
3204                                 SDL_strlcpy(jump_node_name, XSTR( "jump node", 184), SDL_arraysize(jump_node_name));
3205                                 view_target_name = jump_node_name;
3206                                 Viewer_mode &= ~VM_OTHER_SHIP;
3207                                 break;
3208                                 }
3209
3210                         default:
3211                                 Int3();
3212                                 break;
3213                         }
3214
3215                         if ( view_target_name ) {
3216                                 HUD_fixed_printf(0.0f, XSTR( "Viewing %s%s\n", 185), (Viewer_mode & VM_OTHER_SHIP) ? XSTR( "from ", 186) : "", view_target_name);
3217                                 Show_viewing_from_self = 1;
3218                         }
3219                 } else {
3220                         if((Game_mode & GM_MULTIPLAYER) && (Net_player->flags & NETINFO_FLAG_OBSERVER) && (Player_obj->type == OBJ_OBSERVER)){
3221                                 HUD_fixed_printf(2.0f,XSTR( "Viewing from observer\n", 187));
3222                                 Show_viewing_from_self = 1;
3223                         } else {
3224                                 if (Show_viewing_from_self)
3225                                         HUD_fixed_printf(2.0f, XSTR( "Viewing from self\n", 188));
3226                         }
3227                 }
3228         }
3229
3230         Last_view_target = view_target;
3231 }
3232
3233
3234 float Game_hit_x = 0.0f;
3235 float Game_hit_y = 0.0f;
3236
3237 // Reset at the beginning of each frame
3238 void game_whack_reset()
3239 {
3240         Game_hit_x = 0.0f;
3241         Game_hit_y = 0.0f;
3242 }
3243
3244 // Apply a 2d whack to the player
3245 void game_whack_apply( float x, float y )
3246 {
3247         // Do some force feedback
3248         joy_ff_play_dir_effect(x * 80.0f, y * 80.0f);
3249
3250         // Move the eye 
3251         Game_hit_x += x;
3252         Game_hit_y += y;
3253
3254 //      mprintf(( "WHACK = %.1f, %.1f\n", Game_hit_x, Game_hit_y ));
3255 }
3256
3257 // call to apply a "shudder"
3258 void game_shudder_apply(int time, float intensity)
3259 {
3260         Game_shudder_time = timestamp(time);
3261         Game_shudder_total = time;
3262         Game_shudder_intensity = intensity;
3263 }
3264
3265 #define FF_SCALE        10000
3266 void apply_hud_shake(matrix *eye_orient)
3267 {
3268         if (Viewer_obj == Player_obj) {
3269                 physics_info    *pi = &Player_obj->phys_info;
3270
3271                 angles  tangles;
3272
3273                 tangles.p = 0.0f;
3274                 tangles.h = 0.0f;
3275                 tangles.b = 0.0f;
3276
3277                 //      Make eye shake due to afterburner
3278                 if ( !timestamp_elapsed(pi->afterburner_decay) ) {                      
3279                         int             dtime;
3280
3281                         dtime = timestamp_until(pi->afterburner_decay);
3282                         
3283                         int r1 = myrand();
3284                         int r2 = myrand();
3285                         tangles.p += 0.07f * (float) (r1-MY_RAND_MAX/2)/MY_RAND_MAX * (0.5f - fl_abs(0.5f - (float) dtime/ABURN_DECAY_TIME));
3286                         tangles.h += 0.07f * (float) (r2-MY_RAND_MAX/2)/MY_RAND_MAX * (0.5f - fl_abs(0.5f - (float) dtime/ABURN_DECAY_TIME));
3287                 }
3288
3289                 // Make eye shake due to engine wash
3290                 extern int Wash_on;
3291                 if (Player_obj->type == OBJ_SHIP && (Ships[Player_obj->instance].wash_intensity > 0) && Wash_on ) {
3292                         int r1 = myrand();
3293                         int r2 = myrand();
3294                         tangles.p += 0.07f * Ships[Player_obj->instance].wash_intensity * (float) (r1-MY_RAND_MAX/2)/MY_RAND_MAX;
3295                         tangles.h += 0.07f * Ships[Player_obj->instance].wash_intensity * (float) (r2-MY_RAND_MAX/2)/MY_RAND_MAX;
3296
3297                         // get the   intensity
3298                         float intensity = FF_SCALE * Ships[Player_obj->instance].wash_intensity;
3299
3300                         // vector rand_vec
3301                         vector rand_vec;
3302                         vm_vec_rand_vec_quick(&rand_vec);
3303
3304                         // play the effect
3305                         joy_ff_play_dir_effect(intensity*rand_vec.xyz.x, intensity*rand_vec.xyz.y);
3306                 }
3307
3308         
3309                 // make hud shake due to shuddering
3310                 if(Game_shudder_time != -1){
3311                         // if the timestamp has elapsed
3312                         if(timestamp_elapsed(Game_shudder_time)){
3313                                 Game_shudder_time = -1;
3314                         } 
3315                         // otherwise apply some shudder
3316                         else {
3317                                 int dtime;
3318
3319                                 dtime = timestamp_until(Game_shudder_time);
3320                         
3321                                 int r1 = myrand();
3322                                 int r2 = myrand();
3323                                 tangles.p += (Game_shudder_intensity / 200.0f) * (float) (r1-MY_RAND_MAX/2)/MY_RAND_MAX * (0.5f - fl_abs(0.5f - (float) dtime/(float)Game_shudder_total));
3324                                 tangles.h += (Game_shudder_intensity / 200.0f) * (float) (r2-MY_RAND_MAX/2)/MY_RAND_MAX * (0.5f - fl_abs(0.5f - (float) dtime/(float)Game_shudder_total));
3325                         }
3326                 }
3327
3328                 matrix  tm, tm2;
3329                 vm_angles_2_matrix(&tm, &tangles);
3330                 SDL_assert(vm_vec_mag(&tm.v.fvec) > 0.0f);
3331                 SDL_assert(vm_vec_mag(&tm.v.rvec) > 0.0f);
3332                 SDL_assert(vm_vec_mag(&tm.v.uvec) > 0.0f);
3333                 vm_matrix_x_matrix(&tm2, eye_orient, &tm);
3334                 *eye_orient = tm2;
3335         }
3336 }
3337
3338 extern void compute_slew_matrix(matrix *orient, angles *a);     // TODO: move code to proper place and extern in header file
3339
3340 //      Player's velocity just before he blew up.  Used to keep camera target moving.
3341 vector  Dead_player_last_vel = { { { 1.0f, 1.0f, 1.0f } } };
3342
3343 //      Set eye_pos and eye_orient based on view mode.
3344 void game_render_frame_setup(vector *eye_pos, matrix *eye_orient)
3345 {
3346         vector  eye_dir;
3347
3348         static int last_Viewer_mode = 0;
3349         static int last_Game_mode = 0;
3350         static int last_Viewer_objnum = -1;
3351
3352         // This code is supposed to detect camera "cuts"... like going between
3353         // different views.
3354
3355         // determine if we need to regenerate the nebula
3356         if(     (!(last_Viewer_mode & VM_EXTERNAL) && (Viewer_mode & VM_EXTERNAL)) ||                                                   // internal to external 
3357                         ((last_Viewer_mode & VM_EXTERNAL) && !(Viewer_mode & VM_EXTERNAL)) ||                                                   // external to internal
3358                         (!(last_Viewer_mode & VM_DEAD_VIEW) && (Viewer_mode & VM_DEAD_VIEW)) ||                                                 // non dead-view to dead-view
3359                         ((last_Viewer_mode & VM_DEAD_VIEW) && !(Viewer_mode & VM_DEAD_VIEW)) ||                                                 // dead-view to non dead-view
3360                         (!(last_Viewer_mode & VM_WARP_CHASE) && (Viewer_mode & VM_WARP_CHASE)) ||                                               // non warp-chase to warp-chase
3361                         ((last_Viewer_mode & VM_WARP_CHASE) && !(Viewer_mode & VM_WARP_CHASE)) ||                                               // warp-chase to non warp-chase
3362                         (!(last_Viewer_mode & VM_OTHER_SHIP) && (Viewer_mode & VM_OTHER_SHIP)) ||                                               // non other-ship to other-ship
3363                         ((last_Viewer_mode & VM_OTHER_SHIP) && !(Viewer_mode & VM_OTHER_SHIP)) ||                                               // other-ship to non-other ship
3364                         ((Viewer_mode & VM_OTHER_SHIP) && (last_Viewer_objnum != Player_ai->target_objnum))             // other ship mode, but targets changes
3365                         ) {
3366
3367                 // regenerate the nebula
3368                 neb2_eye_changed();
3369         }               
3370
3371         if ( (last_Viewer_mode != Viewer_mode) || (last_Game_mode != Game_mode) )       {
3372                 //mprintf(( "************** Camera cut! ************\n" ));
3373                 last_Viewer_mode = Viewer_mode;
3374                 last_Game_mode = Game_mode;
3375
3376                 // Camera moved.  Tell stars & debris to not do blurring.
3377                 stars_camera_cut();             
3378         }
3379
3380         say_view_target();
3381
3382         if ( Viewer_mode & VM_PADLOCK_ANY ) {
3383                 player_display_packlock_view();
3384         }
3385         
3386         game_set_view_clip();
3387
3388         if (Game_mode & GM_DEAD) {
3389                 vector  vec_to_deader, view_pos;
3390                 float           dist;
3391
3392                 Viewer_mode |= VM_DEAD_VIEW;
3393
3394                 if (Player_ai->target_objnum != -1) {
3395                         int view_from_player = 1;
3396
3397                         if (Viewer_mode & VM_OTHER_SHIP) {
3398                                 //      View from target.
3399                                 Viewer_obj = &Objects[Player_ai->target_objnum];
3400
3401                                 last_Viewer_objnum = Player_ai->target_objnum;
3402
3403                                 if ( Viewer_obj->type == OBJ_SHIP ) {
3404                                         ship_get_eye( eye_pos, eye_orient, Viewer_obj );
3405                                         view_from_player = 0;
3406                                 }
3407                         } else {
3408                                 last_Viewer_objnum = -1;
3409                         }
3410
3411                         if ( view_from_player ) {
3412                                 //      View target from player ship.
3413                                 Viewer_obj = NULL;
3414                                 *eye_pos = Player_obj->pos;
3415                                 vm_vec_normalized_dir(&eye_dir, &Objects[Player_ai->target_objnum].pos, eye_pos);
3416                                 vm_vector_2_matrix(eye_orient, &eye_dir, NULL, NULL);
3417                         }
3418                 } else {
3419                         dist = vm_vec_normalized_dir(&vec_to_deader, &Player_obj->pos, &Dead_camera_pos);
3420                         
3421                         if (dist < MIN_DIST_TO_DEAD_CAMERA)
3422                                 dist += flFrametime * 16.0f;
3423
3424                         vm_vec_scale(&vec_to_deader, -dist);
3425                         vm_vec_add(&Dead_camera_pos, &Player_obj->pos, &vec_to_deader);
3426                         
3427                         view_pos = Player_obj->pos;
3428
3429                         if (!(Game_mode & GM_DEAD_BLEW_UP)) {
3430                                 Viewer_mode &= ~(VM_EXTERNAL | VM_CHASE);
3431                                 vm_vec_scale_add2(&Dead_camera_pos, &Original_vec_to_deader, 25.0f * flFrametime);
3432                                 Dead_player_last_vel = Player_obj->phys_info.vel;
3433                                 //nprintf(("AI", "Player death roll vel = %7.3f %7.3f %7.3f\n", Player_obj->phys_info.vel.xyz.x, Player_obj->phys_info.vel.xyz.y, Player_obj->phys_info.vel.xyz.z));
3434                         } else if (Player_ai->target_objnum != -1) {
3435                                 view_pos = Objects[Player_ai->target_objnum].pos;
3436                         } else {
3437                                 //      Make camera follow explosion, but gradually slow down.
3438                                 vm_vec_scale_add2(&Player_obj->pos, &Dead_player_last_vel, flFrametime);
3439                                 view_pos = Player_obj->pos;
3440                                 vm_vec_scale(&Dead_player_last_vel, 0.99f);
3441                                 vm_vec_scale_add2(&Dead_camera_pos, &Original_vec_to_deader, SDL_min(25.0f, vm_vec_mag_quick(&Dead_player_last_vel)) * flFrametime);
3442                         }
3443
3444                         *eye_pos = Dead_camera_pos;
3445
3446                         vm_vec_normalized_dir(&eye_dir, &Player_obj->pos, eye_pos);
3447
3448                         vm_vector_2_matrix(eye_orient, &eye_dir, NULL, NULL);
3449                         Viewer_obj = NULL;
3450                 }
3451         } 
3452
3453         // if supernova shockwave
3454         if(supernova_camera_cut()){
3455                 // no viewer obj
3456                 Viewer_obj = NULL;
3457
3458                 // call it dead view
3459                 Viewer_mode |= VM_DEAD_VIEW;
3460
3461                 // set eye pos and orient
3462                 supernova_set_view(eye_pos, eye_orient);
3463         } else {        
3464                 //      If already blown up, these other modes can override.
3465                 if (!(Game_mode & (GM_DEAD | GM_DEAD_BLEW_UP))) {
3466                         Viewer_mode &= ~VM_DEAD_VIEW;
3467
3468                         Viewer_obj = Player_obj;
3469  
3470                         if (Viewer_mode & VM_OTHER_SHIP) {
3471                                 if (Player_ai->target_objnum != -1){
3472                                         Viewer_obj = &Objects[Player_ai->target_objnum];
3473                                         last_Viewer_objnum = Player_ai->target_objnum;
3474                                 } else {
3475                                         Viewer_mode &= ~VM_OTHER_SHIP;
3476                                         last_Viewer_objnum = -1;
3477                                 }
3478                         } else {
3479                                 last_Viewer_objnum = -1;
3480                         }
3481
3482                         if (Viewer_mode & VM_EXTERNAL) {
3483                                 matrix  tm, tm2;
3484
3485                                 vm_angles_2_matrix(&tm2, &Viewer_external_info.angles);
3486                                 vm_matrix_x_matrix(&tm, &Viewer_obj->orient, &tm2);
3487
3488                                 vm_vec_scale_add(eye_pos, &Viewer_obj->pos, &tm.v.fvec, 2.0f * Viewer_obj->radius + Viewer_external_info.distance);
3489
3490                                 vm_vec_sub(&eye_dir, &Viewer_obj->pos, eye_pos);
3491                                 vm_vec_normalize(&eye_dir);
3492                                 vm_vector_2_matrix(eye_orient, &eye_dir, &Viewer_obj->orient.v.uvec, NULL);
3493                                 Viewer_obj = NULL;
3494
3495                                 //      Modify the orientation based on head orientation.
3496                                 compute_slew_matrix(eye_orient, &Viewer_slew_angles);
3497
3498                         } else if ( Viewer_mode & VM_CHASE ) {
3499                                 vector  move_dir;
3500
3501                                 if ( Viewer_obj->phys_info.speed < 0.1 )
3502                                         move_dir = Viewer_obj->orient.v.fvec;
3503                                 else {
3504                                         move_dir = Viewer_obj->phys_info.vel;
3505                                         vm_vec_normalize(&move_dir);
3506                                 }
3507
3508                                 vm_vec_scale_add(eye_pos, &Viewer_obj->pos, &move_dir, -3.0f * Viewer_obj->radius - Viewer_chase_info.distance);
3509                                 vm_vec_scale_add2(eye_pos, &Viewer_obj->orient.v.uvec, 0.75f * Viewer_obj->radius);
3510                                 vm_vec_sub(&eye_dir, &Viewer_obj->pos, eye_pos);
3511                                 vm_vec_normalize(&eye_dir);
3512
3513                                 // JAS: I added the following code because if you slew up using
3514                                 // Descent-style physics, eye_dir and Viewer_obj->orient.v.uvec are
3515                                 // equal, which causes a zero-length vector in the vm_vector_2_matrix
3516                                 // call because the up and the forward vector are the same.   I fixed
3517                                 // it by adding in a fraction of the right vector all the time to the
3518                                 // up vector.
3519                                 vector tmp_up = Viewer_obj->orient.v.uvec;
3520                                 vm_vec_scale_add2( &tmp_up, &Viewer_obj->orient.v.rvec, 0.00001f );
3521
3522                                 vm_vector_2_matrix(eye_orient, &eye_dir, &tmp_up, NULL);
3523                                 Viewer_obj = NULL;
3524
3525                                 //      Modify the orientation based on head orientation.
3526                                 compute_slew_matrix(eye_orient, &Viewer_slew_angles);
3527                         } else if ( Viewer_mode & VM_WARP_CHASE ) {
3528                                         *eye_pos = Camera_pos;
3529
3530                                         ship * shipp = &Ships[Player_obj->instance];
3531
3532                                         vm_vec_sub(&eye_dir, &shipp->warp_effect_pos, eye_pos);
3533                                         vm_vec_normalize(&eye_dir);
3534                                         vm_vector_2_matrix(eye_orient, &eye_dir, &Player_obj->orient.v.uvec, NULL);
3535                                         Viewer_obj = NULL;
3536                         } else {
3537                                 // get an eye position based upon the correct type of object
3538                                 switch(Viewer_obj->type){
3539                                 case OBJ_SHIP:
3540                                         // make a call to get the eye point for the player object
3541                                         ship_get_eye( eye_pos, eye_orient, Viewer_obj );
3542                                         break;
3543                                 case OBJ_OBSERVER:
3544                                         // make a call to get the eye point for the player object
3545                                         observer_get_eye( eye_pos, eye_orient, Viewer_obj );                            
3546                                         break;
3547                                 default :
3548                                         Int3();
3549                                 }
3550
3551                                 #ifdef JOHNS_DEBUG_CODE
3552                                 john_debug_stuff(&eye_pos, &eye_orient);
3553                                 #endif
3554                         }
3555                 }
3556         }
3557
3558         apply_hud_shake(eye_orient);
3559
3560         // setup neb2 rendering
3561         neb2_render_setup(eye_pos, eye_orient);
3562 }
3563
3564 #ifndef NDEBUG
3565 extern void ai_debug_render_stuff();
3566 #endif
3567
3568 int Game_subspace_effect = 0;
3569 DCF_BOOL( subspace, Game_subspace_effect );
3570
3571 // Does everything needed to render a frame
3572 void game_render_frame( vector * eye_pos, matrix * eye_orient )
3573 {
3574         int dont_offset;
3575
3576         g3_start_frame(game_zbuffer);
3577         g3_set_view_matrix( eye_pos, eye_orient, Viewer_zoom );
3578
3579         // maybe offset the HUD (jitter stuff)
3580         dont_offset = ((Game_mode & GM_MULTIPLAYER) && (Net_player->flags & NETINFO_FLAG_OBSERVER));
3581         HUD_set_offsets(Viewer_obj, !dont_offset);
3582         
3583         // for multiplayer clients, call code in Shield.cpp to set up the Shield_hit array.  Have to
3584         // do this becaues of the disjointed nature of this system (in terms of setup and execution).
3585         // must be done before ships are rendered
3586         if ( MULTIPLAYER_CLIENT ) {
3587                 shield_point_multi_setup();
3588         }
3589
3590         if ( Game_subspace_effect )     {
3591                 stars_draw(0,0,0,1);
3592         } else {
3593                 stars_draw(1,1,1,0);
3594         }
3595
3596         obj_render_all(obj_render);
3597         beam_render_all();                                              // render all beam weapons
3598         particle_render_all();                                  // render particles after everything else.
3599         trail_render_all();                                             // render missilie trails after everything else.        
3600         mflash_render_all();                                            // render all muzzle flashes    
3601
3602         //      Why do we not show the shield effect in these modes?  Seems ok.
3603         //if (!(Viewer_mode & (VM_EXTERNAL | VM_SLEWED | VM_CHASE | VM_DEAD_VIEW))) {
3604         render_shields();
3605         //}
3606
3607         // render nebula lightning
3608         nebl_render_all();
3609
3610         // render local player nebula
3611         neb2_render_player();   
3612
3613 #ifndef NDEBUG
3614         ai_debug_render_stuff();
3615 #endif
3616
3617 #ifndef RELEASE_REAL
3618         // game_framerate_check();
3619 #endif
3620
3621 #ifndef NDEBUG
3622         extern void snd_spew_debug_info();
3623         snd_spew_debug_info();
3624 #endif
3625
3626         //================ END OF 3D RENDERING STUFF ====================
3627
3628         hud_show_radar();
3629
3630         if( (Game_detail_flags & DETAIL_FLAG_HUD) && (!(Game_mode & GM_MULTIPLAYER) || ( (Game_mode & GM_MULTIPLAYER) && !(Net_player->flags & NETINFO_FLAG_OBSERVER) )) ) {
3631                 hud_maybe_clear_head_area();
3632                 anim_render_all(0, flFrametime);
3633         }
3634
3635         extern int Multi_display_netinfo;
3636         if(Multi_display_netinfo){
3637                 extern void multi_display_netinfo();
3638                 multi_display_netinfo();
3639         }       
3640
3641         game_tst_frame_pre();
3642
3643 #ifndef NDEBUG
3644         do_timing_test(flFrametime);
3645 #endif
3646
3647 #ifndef NDEBUG
3648         extern int OO_update_index;     
3649         multi_rate_display(OO_update_index, 375, 0);
3650 #endif
3651
3652 #ifndef NDEBUG
3653         // test
3654         extern void oo_display();
3655         oo_display();                   
3656 #endif
3657         
3658         g3_end_frame();
3659 }
3660
3661 //#define JOHNS_DEBUG_CODE      1
3662
3663 #ifdef JOHNS_DEBUG_CODE
3664 void john_debug_stuff(vector *eye_pos, matrix *eye_orient)
3665 {
3666         //if ( key_pressed(SDLK_LSHIFT) )
3667         {
3668                 ship_subsys *tsys = Players[Player_num].targeted_subobject;
3669                 if ( tsys )     {
3670                         model_subsystem *turret = tsys->system_info;
3671
3672                         if (turret->type == SUBSYSTEM_TURRET )  {
3673                                 vector v.fvec, v.uvec;
3674                                 object * tobj = &Objects[Players[Player_num].targeted_subobject_parent];
3675
3676                                 ship_model_start(tobj);
3677
3678                                 model_find_world_point(eye_pos, &turret->turret_firing_point[0], turret->model_num, turret->turret_gun_sobj, &tobj->orient, &tobj->pos );
3679                                 model_find_world_dir(&v.fvec, &turret->turret_matrix.v.fvec, turret->model_num, turret->turret_gun_sobj, &tobj->orient, NULL );
3680                                 model_find_world_dir(&v.uvec, &turret->turret_matrix.v.uvec, turret->model_num, turret->turret_gun_sobj, &tobj->orient, NULL );
3681                                 
3682                                 vm_vector_2_matrix( eye_orient, &v.fvec, &v.uvec, NULL );
3683
3684                                 ship_model_stop(tobj);
3685
3686                                 Viewer_obj = NULL;
3687                         }
3688                 }
3689
3690         }
3691 }
3692 #endif
3693
3694 // following function for dumping frames for purposes of building trailers.
3695 #ifndef NDEBUG
3696
3697 // function to toggle state of dumping every frame into PCX when playing the game
3698 DCF(dump_frames, "Starts/stop frame dumping at 15 hz")
3699 {
3700         if ( Dc_command )       {
3701
3702                 if ( Debug_dump_frames == 0 )   {
3703                         // Turn it on
3704                         Debug_dump_frames = 15;
3705                         Debug_dump_trigger = 0;
3706                         gr_dump_frame_start( Debug_dump_frame_num, DUMP_BUFFER_NUM_FRAMES );
3707                         dc_printf( "Frame dumping at 15 hz is now ON\n" );
3708                 } else {
3709                         // Turn it off
3710                         Debug_dump_frames = 0;
3711                         Debug_dump_trigger = 0;
3712                         gr_dump_frame_stop();
3713                         dc_printf( "Frame dumping is now OFF\n" );
3714                 }
3715                 
3716         }
3717 }
3718
3719 DCF(dump_frames_trigger, "Starts/stop frame dumping at 15 hz")
3720 {
3721         if ( Dc_command )       {
3722
3723                 if ( Debug_dump_frames == 0 )   {
3724                         // Turn it on
3725                         Debug_dump_frames = 15;
3726                         Debug_dump_trigger = 1;
3727                         gr_dump_frame_start( Debug_dump_frame_num, DUMP_BUFFER_NUM_FRAMES );
3728                         dc_printf( "Frame dumping at 15 hz is now ON\n" );
3729                 } else {
3730                         // Turn it off
3731                         Debug_dump_frames = 0;
3732                         Debug_dump_trigger = 0;
3733                         gr_dump_frame_stop();
3734                         dc_printf( "Frame dumping is now OFF\n" );
3735                 }
3736                 
3737         }
3738 }
3739
3740 DCF(dump_frames30, "Starts/stop frame dumping at 30 hz")
3741 {
3742         if ( Dc_command )       {
3743
3744                 if ( Debug_dump_frames == 0 )   {
3745                         // Turn it on
3746                         Debug_dump_frames = 30;
3747                         Debug_dump_trigger = 0;
3748                         gr_dump_frame_start( Debug_dump_frame_num, DUMP_BUFFER_NUM_FRAMES );
3749                         dc_printf( "Frame dumping at 30 hz is now ON\n" );
3750                 } else {
3751                         // Turn it off
3752                         Debug_dump_frames = 0;
3753                         Debug_dump_trigger = 0;
3754                         gr_dump_frame_stop();
3755                         dc_printf( "Frame dumping is now OFF\n" );
3756                 }
3757                 
3758         }
3759 }
3760
3761 DCF(dump_frames30_trigger, "Starts/stop frame dumping at 30 hz")
3762 {
3763         if ( Dc_command )       {
3764
3765                 if ( Debug_dump_frames == 0 )   {
3766                         // Turn it on
3767                         Debug_dump_frames = 30;
3768                         Debug_dump_trigger = 1;
3769                         gr_dump_frame_start( Debug_dump_frame_num, DUMP_BUFFER_NUM_FRAMES );
3770                         dc_printf( "Triggered frame dumping at 30 hz is now ON\n" );
3771                 } else {
3772                         // Turn it off
3773                         Debug_dump_frames = 0;
3774                         Debug_dump_trigger = 0;
3775                         gr_dump_frame_stop();
3776                         dc_printf( "Triggered frame dumping is now OFF\n" );
3777                 }
3778                 
3779         }
3780 }
3781
3782 void game_maybe_dump_frame()
3783 {
3784         if ( !Debug_dump_frames ){
3785                 return;
3786         }
3787
3788         if( Debug_dump_trigger && !key_pressed(SDLK_q) ){
3789                 return;
3790         }
3791
3792         game_stop_time();
3793
3794         gr_dump_frame();
3795         Debug_dump_frame_num++;
3796
3797         game_start_time();
3798 }
3799 #endif
3800
3801 extern int Player_dead_state;
3802
3803 //      Flip the page and time how long it took.
3804 void game_flip_page_and_time_it()
3805 {       
3806 #ifndef NDEBUG
3807         fix t1, t2,d;
3808         int t;
3809         t1 = timer_get_fixed_seconds();
3810         gr_flip();
3811         t2 = timer_get_fixed_seconds();
3812         d = t2 - t1;
3813         if (d != 0) {
3814                 t = (gr_screen.max_w*gr_screen.max_h*gr_screen.bytes_per_pixel)/1024;
3815                 SDL_snprintf( transfer_text, SDL_arraysize(transfer_text), NOX("%d MB/s"), fixmuldiv(t,65,d) );
3816         }
3817 #else
3818         gr_flip ();
3819 #endif
3820 }
3821
3822 void game_simulation_frame()
3823 {
3824         // blow ships up in multiplayer dogfight
3825         if((Game_mode & GM_MULTIPLAYER) && (Net_player != NULL) && (Net_player->flags & NETINFO_FLAG_AM_MASTER) && (Netgame.type_flags & NG_TYPE_DOGFIGHT) && (f2fl(Missiontime) >= 2.0f) && !dogfight_blown){
3826                 // blow up all non-player ships
3827                 ship_obj *moveup = GET_FIRST(&Ship_obj_list);
3828                 ship *shipp;
3829                 ship_info *sip;
3830                 while((moveup != END_OF_LIST(&Ship_obj_list)) && (moveup != NULL)){
3831                         // bogus
3832                         if((moveup->objnum < 0) || (moveup->objnum >= MAX_OBJECTS) || (Objects[moveup->objnum].type != OBJ_SHIP) || (Objects[moveup->objnum].instance < 0) || (Objects[moveup->objnum].instance >= MAX_SHIPS) || (Ships[Objects[moveup->objnum].instance].ship_info_index < 0) || (Ships[Objects[moveup->objnum].instance].ship_info_index >= Num_ship_types)){
3833                                 moveup = GET_NEXT(moveup);
3834                                 continue;
3835                         }
3836                         shipp = &Ships[Objects[moveup->objnum].instance];
3837                         sip = &Ship_info[shipp->ship_info_index];
3838
3839                         // only blow up small ships                     
3840                         if((sip->flags & SIF_SMALL_SHIP) && (multi_find_player_by_object(&Objects[moveup->objnum]) < 0) ){                                                      
3841                                 // function to simply explode a ship where it is currently at
3842                                 ship_self_destruct( &Objects[moveup->objnum] );                                 
3843                         }
3844
3845                         moveup = GET_NEXT(moveup);
3846                 }
3847
3848                 dogfight_blown = 1;
3849         }
3850
3851         // process AWACS stuff - do this first thing
3852         awacs_process();
3853
3854         // single player, set Player hits_this_frame to 0
3855         if ( !(Game_mode & GM_MULTIPLAYER) && Player ) {
3856                 Player->damage_this_burst -= (flFrametime * MAX_BURST_DAMAGE  / (0.001f * BURST_DURATION));
3857                 Player->damage_this_burst = SDL_max(Player->damage_this_burst, 0.0f);
3858         }
3859
3860         // supernova
3861         supernova_process();
3862         if(supernova_active() >= 5){
3863                 return;
3864         }
3865
3866         // fire targeting lasers now so that 
3867         // 1 - created this frame
3868         // 2 - collide this frame
3869         // 3 - render this frame
3870         // 4 - ignored and deleted next frame
3871         // the basic idea being that because it con be confusing to deal with them on a multi-frame basis, they are only valid for
3872         // frame
3873         ship_process_targeting_lasers();        
3874
3875         // do this here so that it works for multiplayer
3876         if ( Viewer_obj ) {
3877                 // get viewer direction
3878                 int viewer_direction = PHYSICS_VIEWER_REAR;
3879
3880                 if(Viewer_mode == 0){
3881                         viewer_direction = PHYSICS_VIEWER_FRONT;
3882                 }
3883                 if(Viewer_mode & VM_PADLOCK_UP){
3884                         viewer_direction = PHYSICS_VIEWER_UP;
3885                 }
3886                 else if(Viewer_mode & VM_PADLOCK_REAR){
3887                         viewer_direction = PHYSICS_VIEWER_REAR;
3888                 } 
3889                 else if(Viewer_mode & VM_PADLOCK_LEFT){
3890                         viewer_direction = PHYSICS_VIEWER_LEFT;
3891                 } 
3892                 else if(Viewer_mode & VM_PADLOCK_RIGHT){
3893                         viewer_direction = PHYSICS_VIEWER_RIGHT;
3894                 }
3895
3896                 physics_set_viewer( &Viewer_obj->phys_info, viewer_direction );
3897         } else {
3898                 physics_set_viewer( NULL, PHYSICS_VIEWER_FRONT );
3899         }
3900
3901 #define VM_PADLOCK_UP                                   (1 << 7)
3902 #define VM_PADLOCK_REAR                         (1 << 8)
3903 #define VM_PADLOCK_LEFT                         (1 << 9)
3904 #define VM_PADLOCK_RIGHT                                (1 << 10)
3905                 
3906         // evaluate mission departures and arrivals before we process all objects.
3907         if ( !(Game_mode & GM_MULTIPLAYER) || ((Game_mode & GM_MULTIPLAYER) && (Net_player->flags & NETINFO_FLAG_AM_MASTER) && !multi_endgame_ending()) ) {
3908
3909                 // we don't want to evaluate mission stuff when any ingame joiner in multiplayer is receiving
3910                 // ships/wing packets.
3911                 if ( !((Game_mode & GM_MULTIPLAYER) && (Netgame.flags & NG_FLAG_INGAME_JOINING_CRITICAL)) && !(Game_mode & GM_DEMO_PLAYBACK)){
3912                         mission_parse_eval_stuff();
3913                 }
3914
3915                 // if we're an observer, move ourselves seperately from the standard physics
3916                 if((Game_mode & GM_MULTIPLAYER) && (Net_player->flags & NETINFO_FLAG_OBSERVER)){
3917                         obj_observer_move(flFrametime);
3918                 }
3919                 
3920                 // move all the objects now
3921                 obj_move_all(flFrametime);
3922
3923                 // check for cargo reveal (this has an internal timestamp, so only runs every N ms)
3924                 // AL: 3-15-98: It was decided to not let AI ships inspect cargo
3925                 //      ship_check_cargo_all();
3926                 if(!(Game_mode & GM_DEMO_PLAYBACK)){
3927                         mission_eval_goals();
3928                 }
3929         }
3930
3931         // always check training objectives, even in multiplayer missions. we need to do this so that the directives gauge works properly on clients
3932         if(!(Game_mode & GM_DEMO_PLAYBACK)){
3933                 training_check_objectives();
3934         }
3935         
3936         // do all interpolation now
3937         if ( (Game_mode & GM_MULTIPLAYER) && !(Net_player->flags & NETINFO_FLAG_AM_MASTER) && !multi_endgame_ending() && !(Netgame.flags & NG_FLAG_SERVER_LOST)) {
3938                 // client side processing of warping in effect stages
3939                 multi_do_client_warp(flFrametime);     
3940         
3941                 // client side movement of an observer
3942                 if((Net_player->flags & NETINFO_FLAG_OBSERVER) || (Player_obj->type == OBJ_OBSERVER)){
3943                         obj_observer_move(flFrametime);   
3944                 }
3945
3946                 // move all objects - does interpolation now as well
3947                 obj_move_all(flFrametime);
3948         }
3949
3950         // only process the message queue when the player is "in" the game
3951         if ( !Pre_player_entry ){
3952                 message_queue_process();                                // process any messages send to the player
3953         }
3954
3955         if(!(Game_mode & GM_DEMO_PLAYBACK)){
3956                 message_maybe_distort();                                // maybe distort incoming message if comms damaged
3957                 player_repair_frame(flFrametime);       //      AI objects get repaired in ai_process, called from move code...deal with player.
3958                 player_process_pending_praise();                // maybe send off a delayed praise message to the player
3959                 player_maybe_play_all_alone_msg();      // mabye tell the player he is all alone        
3960         }
3961
3962         if(!(Game_mode & GM_STANDALONE_SERVER)){                
3963                 // process some stuff every frame (before frame is rendered)
3964                 emp_process_local();
3965
3966                 hud_update_frame();                                             // update hud systems
3967
3968                 if (!physics_paused)    {
3969                         // Move particle system
3970                         particle_move_all(flFrametime); 
3971
3972                         // Move missile trails
3973                         trail_move_all(flFrametime);            
3974
3975                         // process muzzle flashes
3976                         mflash_process_all();
3977
3978                         // Flash the gun flashes
3979                         shipfx_flash_do_frame(flFrametime);                     
3980
3981                         shockwave_move_all(flFrametime);        // update all the shockwaves
3982                 }
3983
3984                 // subspace missile strikes
3985                 ssm_process();
3986
3987                 obj_snd_do_frame();                                             // update the object-linked persistant sounds
3988                 game_maybe_update_sound_environment();
3989                 snd_update_listener(&View_position, &Player_obj->phys_info.vel, &Player_obj->orient);
3990
3991 // AL: debug code used for testing ambient subspace sound (ie when enabling subspace through debug console)
3992 #ifndef NDEBUG
3993                 if ( Game_subspace_effect ) {
3994                         game_start_subspace_ambient_sound();
3995                 }
3996 #endif
3997         }               
3998 }
3999
4000 // Maybe render and process the dead-popup
4001 void game_maybe_do_dead_popup(float frametime)
4002 {
4003         if ( popupdead_is_active() ) {
4004                 int leave_popup=1;
4005                 int choice = popupdead_do_frame(frametime);
4006
4007                 if ( Game_mode & GM_NORMAL ) {
4008                         switch(choice) {
4009                         case 0:
4010                                 gameseq_post_event(GS_EVENT_ENTER_GAME);
4011                                 break;
4012
4013                         case 1:
4014                                 gameseq_post_event(GS_EVENT_END_GAME);
4015                                 break;
4016
4017                         case 2:
4018                                 gameseq_post_event(GS_EVENT_START_GAME);
4019                                 break;
4020
4021                         // this should only happen during a red alert mission
4022                         case 3:                         
4023                                 // bogus?
4024                                 SDL_assert(The_mission.red_alert);
4025                                 if(!The_mission.red_alert){
4026                                         gameseq_post_event(GS_EVENT_START_GAME);
4027                                         break;
4028                                 }
4029                                 
4030                                 // choose the previous mission
4031                                 mission_campaign_previous_mission();
4032
4033                                 gameseq_post_event(GS_EVENT_START_GAME);
4034                                 break;
4035
4036                         default:
4037                                 leave_popup=0;
4038                                 break;
4039                         }
4040                 } else {
4041                         switch( choice ) {
4042
4043                         case POPUPDEAD_DO_MAIN_HALL:
4044                                 multi_quit_game(PROMPT_NONE,-1);
4045                                 break;
4046
4047                         case POPUPDEAD_DO_RESPAWN:                              
4048                                 multi_respawn_normal();
4049                                 event_music_player_respawn();
4050                                 break;
4051
4052                         case POPUPDEAD_DO_OBSERVER:
4053                                 multi_respawn_observer();
4054                                 event_music_player_respawn_as_observer();
4055                                 break;
4056
4057                         default:
4058                                 leave_popup = 0;
4059                                 break;
4060                         }
4061                 }
4062
4063                 if ( leave_popup ) {
4064                         popupdead_close();
4065                 }
4066         }
4067 }
4068
4069 // returns true if player is actually in a game_play stats
4070 int game_actually_playing()
4071 {
4072         int state;
4073
4074         state = gameseq_get_state();
4075         if ( (state != GS_STATE_GAME_PLAY) && (state != GS_STATE_DEATH_DIED) && (state != GS_STATE_DEATH_BLEW_UP) )
4076                 return 0;
4077         else
4078                 return 1;
4079 }
4080
4081 // Draw the 2D HUD gauges
4082 void game_render_hud_2d()
4083 {
4084         if ( !(Game_detail_flags & DETAIL_FLAG_HUD) ) {
4085                 return;
4086         }
4087         
4088         HUD_render_2d(flFrametime);
4089         gr_reset_clip();
4090 }
4091
4092 // Draw the 3D-dependant HUD gauges
4093 void game_render_hud_3d(vector *eye_pos, matrix *eye_orient)
4094 {
4095         g3_start_frame(0);              // 0 = turn zbuffering off
4096         g3_set_view_matrix( eye_pos, eye_orient, Viewer_zoom );
4097
4098         if ( (Game_detail_flags & DETAIL_FLAG_HUD) && (supernova_active() < 3)/* && !(Game_mode & GM_MULTIPLAYER) || ( (Game_mode & GM_MULTIPLAYER) && !(Net_player->flags & NETINFO_FLAG_OBSERVER) )*/ ) {
4099                 HUD_render_3d(flFrametime);
4100         }
4101
4102         // Do the sunspot
4103         game_sunspot_process(flFrametime);
4104
4105         // Diminish the palette effect
4106         game_flash_diminish(flFrametime);
4107
4108         g3_end_frame();
4109 }
4110
4111
4112 void game_frame()
4113 {
4114         int actually_playing;
4115         fix total_time1, total_time2;
4116         fix render2_time1=0, render2_time2=0;
4117         fix render3_time1=0, render3_time2=0;
4118         fix flip_time1=0, flip_time2=0;
4119         fix clear_time1=0, clear_time2=0;
4120         
4121         vector eye_pos;
4122         matrix eye_orient;
4123
4124 #ifndef NDEBUG
4125         if (Framerate_delay) {
4126                 int     start_time = timer_get_milliseconds();
4127                 while (timer_get_milliseconds() < start_time + Framerate_delay)
4128                         ;
4129         }
4130 #endif
4131
4132 #ifdef DEMO_SYSTEM
4133         demo_do_frame_start();
4134         if(Demo_error){
4135                 mprintf(("Error (%d) while processing demo!\n", Demo_error));
4136                 demo_close();
4137         }
4138 #endif
4139         
4140         // start timing frame
4141         timing_frame_start();
4142
4143         total_time1 = timer_get_fixed_seconds();
4144
4145         // var to hold which state we are in
4146         actually_playing = game_actually_playing();
4147         
4148         if ((!(Game_mode & GM_MULTIPLAYER)) || ((Game_mode & GM_MULTIPLAYER) && !(Net_player->flags & NETINFO_FLAG_OBSERVER))) {
4149                 if (!(Game_mode & GM_STANDALONE_SERVER)){
4150                         SDL_assert( OBJ_INDEX(Player_obj) >= 0 );
4151                 }
4152         }
4153
4154         if (Missiontime > Entry_delay_time){
4155                 Pre_player_entry = 0;
4156         } else {
4157                 ; //nprintf(("AI", "Framecount = %i, time = %7.3f\n", Framecount, f2fl(Missiontime)));
4158         }
4159
4160         //      Note: These are done even before the player enters, else buffers can overflow.
4161         if (! (Game_mode & GM_STANDALONE_SERVER)){
4162                 radar_frame_init();
4163         }
4164
4165         shield_frame_init();
4166
4167         if ( Player->control_mode != PCM_NORMAL )
4168                 camera_move();
4169
4170         if ( !Pre_player_entry && actually_playing ) {                          
4171                 if (! (Game_mode & GM_STANDALONE_SERVER) ) {
4172
4173                         if( (!popup_running_state()) && (!popupdead_is_active()) ){
4174                                 game_process_keys();
4175
4176                                 // don't read flying controls if we're playing a demo back
4177                                 if(!(Game_mode & GM_DEMO_PLAYBACK)){
4178                                         read_player_controls( Player_obj, flFrametime);
4179                                 }
4180                         }
4181                         
4182                         // if we're not the master, we may have to send the server-critical ship status button_info bits
4183                         if ((Game_mode & GM_MULTIPLAYER) && !(Net_player->flags & NETINFO_FLAG_AM_MASTER) && !(Net_player->flags & NETINFO_FLAG_OBSERVER)){
4184                                 multi_maybe_send_ship_status();
4185                         }
4186                 }
4187         }
4188
4189         // Reset the whack stuff
4190         game_whack_reset();
4191
4192         // These two lines must be outside of Pre_player_entry code,
4193         // otherwise too many lights are added.
4194         light_reset();
4195
4196         if ((Game_mode & GM_MULTIPLAYER) && (Netgame.game_state == NETGAME_STATE_SERVER_TRANSFER)){
4197                 return;
4198         }
4199         
4200         game_simulation_frame();        
4201
4202         // if not actually in a game play state, then return.  This condition could only be true in 
4203         // a multiplayer game.
4204         if ( !actually_playing ) {
4205                 SDL_assert( Game_mode & GM_MULTIPLAYER );
4206                 return;
4207         }
4208
4209         if (!Pre_player_entry) {
4210                 if (! (Game_mode & GM_STANDALONE_SERVER)) {
4211                         clear_time1 = timer_get_fixed_seconds();
4212                         // clear the screen to black
4213                         gr_reset_clip();
4214                         if ( (Game_detail_flags & DETAIL_FLAG_CLEAR) ) {
4215                                 gr_clear();
4216                         }
4217
4218                         clear_time2 = timer_get_fixed_seconds();
4219                         render3_time1 = timer_get_fixed_seconds();
4220                         game_render_frame_setup(&eye_pos, &eye_orient);
4221                         game_render_frame( &eye_pos, &eye_orient );
4222
4223                         // save the eye position and orientation
4224                         if ( Game_mode & GM_MULTIPLAYER ) {
4225                                 Net_player->s_info.eye_pos = eye_pos;
4226                                 Net_player->s_info.eye_orient = eye_orient;
4227                         }
4228
4229                         hud_show_target_model();
4230
4231                         // check to see if we should display the death died popup
4232                         if(Game_mode & GM_DEAD_BLEW_UP){                                
4233                                 if(Game_mode & GM_MULTIPLAYER){
4234                                         // catch the situation where we're supposed to be warping out on this transition
4235                                         if(Net_player->flags & NETINFO_FLAG_WARPING_OUT){
4236                                                 gameseq_post_event(GS_EVENT_DEBRIEF);
4237                                         } else if((Player_died_popup_wait != -1) && (timestamp_elapsed(Player_died_popup_wait))){
4238                                                 Player_died_popup_wait = -1;
4239                                                 popupdead_start();
4240                                         }
4241                                 } else {
4242                                         if((Player_died_popup_wait != -1) && (timestamp_elapsed(Player_died_popup_wait))){
4243                                                 Player_died_popup_wait = -1;
4244                                                 popupdead_start();
4245                                         }
4246                                 }
4247                         }
4248
4249                         // hack - sometimes this seems to slip by in multiplayer. this should guarantee that we catch it
4250                         if((Game_mode & GM_MULTIPLAYER) && (Player_multi_died_check != -1) && (Game_mode & GM_DEAD_BLEW_UP) ){
4251                                 if(fl_abs(time(NULL) - Player_multi_died_check) > 4){
4252                                         if(!popupdead_is_active()){
4253                                                 popupdead_start();
4254                                         }
4255
4256                                         Player_multi_died_check = -1;
4257                                 }
4258                         }
4259         
4260                         render3_time2 = timer_get_fixed_seconds();
4261                         render2_time1 = timer_get_fixed_seconds();
4262
4263                         gr_reset_clip();
4264                         game_get_framerate();
4265                         game_show_framerate();          
4266
4267                         game_show_time_left();
4268
4269                         // Draw the 2D HUD gauges
4270                         if(supernova_active() < 3){
4271                                 game_render_hud_2d();
4272                         }
4273
4274                         game_set_view_clip();
4275
4276                         // Draw 3D HUD gauges                   
4277                         game_render_hud_3d(&eye_pos, &eye_orient);                                                                      
4278
4279                         game_tst_frame();
4280
4281                         render2_time2 = timer_get_fixed_seconds();
4282
4283                         // maybe render and process the dead popup
4284                         game_maybe_do_dead_popup(flFrametime);
4285
4286                         // start timing frame
4287                         timing_frame_stop();
4288                         // timing_display(30, 10);                      
4289
4290                         // If a regular popup is active, don't flip (popup code flips)
4291                         if( !popup_running_state() ){
4292                                 flip_time1 = timer_get_fixed_seconds();
4293                                 game_flip_page_and_time_it();
4294                                 flip_time2 = timer_get_fixed_seconds();
4295                         }
4296
4297 #ifndef NDEBUG
4298                         game_maybe_dump_frame();                        // used to dump pcx files for building trailers
4299 #endif          
4300                 } else {
4301                         game_show_standalone_framerate();
4302                 }
4303         }
4304
4305         game_do_training_checks();
4306         asteroid_frame();
4307
4308         // process lightning (nebula only)
4309         nebl_process();
4310
4311         total_time2 = timer_get_fixed_seconds();
4312
4313         // Got some timing numbers
4314         Timing_total = f2fl( total_time2 - total_time1 ) * 1000.0f;
4315         Timing_clear = f2fl( clear_time2 - clear_time1 ) * 1000.0f;
4316         Timing_render2 = f2fl( render2_time2- render2_time1 ) * 1000.0f;
4317         Timing_render3 = f2fl( render3_time2- render3_time1 ) * 1000.0f;
4318         Timing_flip = f2fl( flip_time2 - flip_time1 ) * 1000.0f;
4319
4320 #ifdef DEMO_SYSTEM
4321         demo_do_frame_end();
4322         if(Demo_error){
4323                 mprintf(("Error (%d) while processing demo!\n", Demo_error));
4324                 demo_close();
4325         }
4326 #endif
4327 }
4328
4329 #define MAX_FRAMETIME   (F1_0/4)                // Frametime gets saturated at this.  Changed by MK on 11/1/97.
4330                                                                                                 //      Some bug was causing Frametime to always get saturated at 2.0 seconds after the player
4331                                                                                                 //      died.  This resulted in screwed up death sequences.
4332
4333 fix Last_time = 0;                                              // The absolute time of game at end of last frame (beginning of this frame)
4334 fix Last_delta_time = 0;                                // While game is paused, this keeps track of how much elapsed in the frame before paused.
4335 static int timer_paused=0;
4336 #if defined(TIMER_TEST) && !defined(NDEBUG)
4337 static int stop_count,start_count;
4338 static int time_stopped,time_started;
4339 #endif
4340 int saved_timestamp_ticker = -1;
4341
4342 void game_reset_time()
4343 {
4344         if((Game_mode & GM_MULTIPLAYER) && (Netgame.game_state == NETGAME_STATE_SERVER_TRANSFER)){
4345                 return ;
4346         }
4347         
4348         //      Last_time = timer_get_fixed_seconds();
4349         game_start_time();
4350         timestamp_reset();
4351         game_stop_time();
4352 }
4353
4354 void game_stop_time()
4355 {
4356         if (timer_paused==0) {
4357                 fix time;
4358                 time = timer_get_fixed_seconds();
4359                 // Save how much time progressed so far in the frame so we can
4360                 // use it when we unpause.
4361                 Last_delta_time = time - Last_time;             
4362
4363                 //mprintf(("Last_time in game_stop_time = %7.3f\n", f2fl(Last_delta_time)));
4364                 if (Last_delta_time < 0) {
4365                         #if defined(TIMER_TEST) && !defined(NDEBUG)
4366                         Int3();         //get Matt!!!!
4367                         #endif
4368                         Last_delta_time = 0;
4369                 }
4370                 #if defined(TIMER_TEST) && !defined(NDEBUG)
4371                 time_stopped = time;
4372                 #endif
4373
4374                 // Stop the timer_tick stuff...
4375                 // Normally, you should never access 'timestamp_ticker', consider this a low-level routine
4376                 saved_timestamp_ticker = timestamp_ticker;
4377         }
4378         timer_paused++;
4379
4380         #if defined(TIMER_TEST) && !defined(NDEBUG)
4381         stop_count++;
4382         #endif
4383 }
4384
4385 void game_start_time()
4386 {
4387         timer_paused--;
4388         SDL_assert(timer_paused >= 0);
4389         if (timer_paused==0) {
4390                 fix time;
4391                 time = timer_get_fixed_seconds();
4392                 #if defined(TIMER_TEST) && !defined(NDEBUG)
4393                 if (Last_time < 0)
4394                         Int3();         //get Matt!!!!
4395                 }
4396                 #endif
4397                 // Take current time, and set it backwards to account for time  
4398                 // that the frame already executed, so that timer_get_fixed_seconds() - Last_time
4399                 // will be correct when it goes to calculate the frametime next
4400                 // frame.
4401                 Last_time = time - Last_delta_time;             
4402                 #if defined(TIMER_TEST) && !defined(NDEBUG)
4403                 time_started = time;
4404                 #endif
4405
4406                 // Restore the timer_tick stuff...
4407                 // Normally, you should never access 'timestamp_ticker', consider this a low-level routine
4408                 SDL_assert( saved_timestamp_ticker > -1 );              // Called out of order, get JAS
4409                 timestamp_ticker = saved_timestamp_ticker;
4410                 saved_timestamp_ticker = -1;
4411         }
4412
4413         #if defined(TIMER_TEST) && !defined(NDEBUG)
4414         start_count++;
4415         #endif
4416 }
4417
4418
4419 void game_set_frametime(int state)
4420 {
4421         fix thistime = timer_get_fixed_seconds();
4422         int frame_cap = 60;
4423
4424         if ( Last_time == 0 )   
4425                 Frametime = F1_0 / 30;
4426         else
4427                 Frametime = thistime - Last_time;
4428
4429 //      Frametime = F1_0 / 30;
4430
4431 #ifndef NDEBUG
4432         fix     debug_frametime = Frametime;    //      Just used to display frametime.
4433 #endif
4434
4435         //      If player hasn't entered mission yet, make frame take 1/4 second.
4436         if ((Pre_player_entry) && (state == GS_STATE_GAME_PLAY))
4437                 Frametime = F1_0/4;
4438 #ifndef NDEBUG
4439         else if ((Debug_dump_frames) && (state == GS_STATE_GAME_PLAY)) {                                // note link to above if!!!!!
4440         
4441                 fix frame_speed = F1_0 / Debug_dump_frames;
4442
4443                 if (Frametime > frame_speed ){
4444                         nprintf(("warning","slow frame: %x\n",Frametime));
4445                 } else {                        
4446                         do {
4447                                 thistime = timer_get_fixed_seconds();
4448                                 Frametime = thistime - Last_time;
4449                         } while (Frametime < frame_speed );                     
4450                 }
4451                 Frametime = frame_speed;
4452         }
4453 #endif
4454
4455         if (Game_mode & GM_STANDALONE_SERVER) {
4456                 // if we are just sitting idle then set fps to 10, otherwise jump up to
4457                 // full speed
4458                 if (state == GS_STATE_STANDALONE_MAIN) {
4459                         frame_cap = 10;
4460                 } else {
4461                         frame_cap = Multi_options_g.std_framecap;
4462                 }
4463         } else {
4464                 frame_cap = Framerate_cap;
4465         }
4466
4467         SDL_assert( frame_cap > 0 );
4468
4469 #ifndef __EMSCRIPTEN__
4470         float frame_cap_diff;
4471
4472         // Cap the framerate so it doesn't get too high.
4473         {
4474                 fix cap;
4475
4476                 cap = F1_0/frame_cap;
4477                 if (Frametime < cap) {
4478                         thistime = cap - Frametime;
4479                         //mprintf(("Sleeping for %6.3f seconds.\n", f2fl(thistime)));
4480                         SDL_Delay( fl2i(f2fl(thistime) * 1000.0f) );
4481                         Frametime = cap;
4482                         thistime = timer_get_fixed_seconds();
4483                 }
4484         }
4485 #endif
4486
4487         // If framerate is too low, cap it.
4488         if (Frametime > MAX_FRAMETIME)  {
4489 #ifndef NDEBUG
4490                 mprintf(("Frame %2i too long!!: frametime = %.3f (%.3f)\n", Framecount, f2fl(Frametime), f2fl(debug_frametime)));
4491 #endif
4492                 Frametime = MAX_FRAMETIME;
4493         }
4494
4495         Frametime = fixmul(Frametime, Game_time_compression);
4496
4497         Last_time = thistime;
4498         //mprintf(("Frame %i, Last_time = %7.3f\n", Framecount, f2fl(Last_time)));
4499
4500         flFrametime = f2fl(Frametime);
4501         //if(!(Game_mode & GM_PLAYING_DEMO)){
4502         timestamp_inc(flFrametime);
4503
4504 /*      if ((Framecount > 0) && (Framecount < 10)) {
4505                 mprintf(("Frame %2i: frametime = %.3f (%.3f)\n", Framecount, f2fl(Frametime), f2fl(debug_frametime)));
4506         }
4507 */
4508 }
4509
4510 // This is called from game_do_frame(), and from navmap_do_frame() 
4511 void game_update_missiontime()
4512 {
4513         // TODO JAS: Put in if and move this into game_set_frametime, 
4514         // fix navmap to call game_stop/start_time
4515         //if ( !timer_paused )  
4516                 Missiontime += Frametime;
4517 }
4518
4519 void game_do_frame()
4520 {       
4521         game_set_frametime(GS_STATE_GAME_PLAY);
4522         game_update_missiontime();
4523
4524         if (Game_mode & GM_STANDALONE_SERVER) {
4525                 std_multi_set_standalone_missiontime(f2fl(Missiontime));
4526         }
4527
4528         if ( game_single_step && (last_single_step == game_single_step) ) {
4529                 os_set_title( NOX("SINGLE STEP MODE (Pause exits, any other key steps)") );
4530                 while( key_checkch() == 0 )
4531                         SDL_Delay(10);
4532                 os_set_title( XSTR( "FreeSpace", 171) );
4533                 Last_time = timer_get_fixed_seconds();
4534         }
4535
4536         last_single_step = game_single_step;
4537
4538         if ((gameseq_get_state() == GS_STATE_GAME_PLAY) && Use_mouse_to_fly){
4539                 Keep_mouse_centered = 1;  // force mouse to center of our window (so we don't hit movement limits)
4540         }
4541         game_frame();
4542
4543         Keep_mouse_centered = 0;
4544         monitor_update();                       // Update monitor variables
4545 }
4546
4547 void multi_maybe_do_frame()
4548 {
4549         if ( (Game_mode & GM_MULTIPLAYER) && (Game_mode & GM_IN_MISSION) && !Multi_pause_status){
4550                 game_do_frame(); 
4551         }
4552 }
4553
4554 int Joymouse_button_status = 0;
4555
4556 // Flush all input devices
4557 void game_flush()
4558 {
4559         key_flush();
4560         mouse_flush();
4561         joy_flush();
4562         snazzy_flush();
4563
4564         Joymouse_button_status = 0;
4565
4566         //mprintf(("Game flush!\n" ));
4567 }
4568
4569 // function for multiplayer only which calls game_do_state_common() when running the
4570 // debug console
4571 void game_do_dc_networking()
4572 {
4573         SDL_assert( Game_mode & GM_MULTIPLAYER );
4574
4575         game_do_state_common( gameseq_get_state() );
4576 }
4577
4578 // Call this whenever in a loop, or when you need to check for a keystroke.
4579 int game_check_key()
4580 {
4581         int k;
4582
4583         k = game_poll();
4584
4585         // convert keypad enter to normal enter
4586         if ((k & KEY_MASK) == SDLK_KP_ENTER)
4587                 k = (k & ~KEY_MASK) | SDLK_RETURN;
4588
4589         return k;
4590 }
4591
4592 #if defined(FS2_DEMO) || defined(FS1_DEMO)
4593
4594 #define DEMO_TRAILER_TIMEOUT_MS         45000                   // 45 seconds of no input, play trailer
4595 static int Demo_show_trailer_timestamp = 0;
4596
4597 void demo_reset_trailer_timer()
4598 {
4599         Demo_show_trailer_timestamp = timer_get_milliseconds();
4600 }
4601
4602 void demo_maybe_show_trailer(int k)
4603 {
4604         /*
4605         // if key pressed, reset demo trailer timer
4606         if ( k > 0 ) {
4607                 demo_reset_trailer_timer();
4608                 return;
4609         }
4610
4611         // if mouse moved, reset demo trailer timer
4612         int dx = 0, dy = 0;
4613
4614         mouse_get_delta(&dx, &dy);
4615         if ( (dx > 0) || (dy > 0) ) {
4616                 demo_reset_trailer_timer();
4617                 return;
4618         }
4619
4620         // if joystick has moved, reset demo trailer timer
4621         dx = 0;
4622         dy = 0;
4623         joy_get_delta(&dx, &dy);
4624         if ( (dx > 0) || (dy > 0) ) {
4625                 demo_reset_trailer_timer();
4626                 return;
4627         }
4628
4629         // NOTE: reseting the trailer timer on mouse/joystick presses is handled in
4630         //       the low-level code.  Ugly, I know... but was the simplest and most
4631         //       robust solution.
4632                 
4633         // if 30 seconds since last demo trailer time reset, launch movie
4634         if ( os_foreground() ) {
4635                 int now = timer_get_milliseconds();
4636                 if ( (now - Demo_show_trailer_timestamp) > DEMO_TRAILER_TIMEOUT_MS ) {
4637 //              if ( (now - Demo_show_trailer_timestamp) > 10000 ) {
4638                         // play movie here
4639                         movie_play( NOX("fstrailer2.mve") );
4640                         demo_reset_trailer_timer();
4641                 }
4642         }
4643         */
4644 }
4645
4646 #endif
4647
4648 // same as game_check_key(), except this is used while actually in the game.  Since there
4649 // generally are differences between game control keys and general UI keys, makes sense to
4650 // have seperate functions for each case.  If you are not checking a game control while in a
4651 // mission, you should probably be using game_check_key() instead.
4652 int game_poll()
4653 {
4654         int k, state;
4655
4656         if (!os_foreground()) {         
4657                 game_stop_time();
4658                 SDL_Delay(100);
4659                 game_start_time();
4660
4661                 // If we're in a single player game, pause it.
4662                 if (!(Game_mode & GM_MULTIPLAYER)){
4663                         if ( (gameseq_get_state() == GS_STATE_GAME_PLAY) && (!popup_active()) && (!popupdead_is_active()) )     {
4664                                 game_process_pause_key();
4665                         }
4666                 }
4667         }
4668
4669    k = key_inkey();
4670
4671 #if defined(FS2_DEMO) || defined(FS1_DEMO)
4672         demo_maybe_show_trailer(k);
4673 #endif
4674
4675         // Move the mouse cursor with the joystick.
4676         if (os_foreground() && (!Mouse_hidden) && (Use_joy_mouse) )     {
4677                 // Move the mouse cursor with the joystick
4678                 int mx, my, dx, dy;
4679                 int jx, jy, jz, jr;
4680
4681                 joy_get_pos( &jx, &jy, &jz, &jr );
4682
4683                 dx = fl2i(f2fl(jx)*flFrametime*500.0f);
4684                 dy = fl2i(f2fl(jy)*flFrametime*500.0f);
4685
4686                 if ( dx || dy ) {
4687                         mouse_get_real_pos( &mx, &my );
4688                         mouse_set_pos( mx+dx, my+dy );
4689                 }
4690
4691                 int j, m;
4692                 j = joy_down(0);
4693                 m = mouse_down(MOUSE_LEFT_BUTTON);
4694
4695                 if ( j != Joymouse_button_status )      {
4696                         //mprintf(( "Joy went from %d to %d, mouse is %d\n", Joymouse_button_status, j, m ));
4697                         Joymouse_button_status = j;
4698                         if ( j && (!m) )        {
4699                                 mouse_mark_button( MOUSE_LEFT_BUTTON, 1 );
4700                         } else if ( (!j) && (m) )       {
4701                                 mouse_mark_button( MOUSE_LEFT_BUTTON, 0 );
4702                         }
4703                 }
4704         }
4705
4706         // if we should be ignoring keys because of some multiplayer situations
4707         if((Game_mode & GM_MULTIPLAYER) && multi_ignore_controls(k)){
4708                 return 0;
4709         }
4710
4711         // If a popup is running, don't process all the Fn keys
4712         if( popup_active() ) {
4713                 return k;
4714         }
4715
4716         state = gameseq_get_state();
4717
4718 //      if ( k ) nprintf(( "General", "Key = %x\n", k ));
4719
4720         switch (k) {
4721                 case KEY_DEBUGGED + SDLK_BACKSPACE:
4722                         Int3();
4723                         break;
4724
4725                 case SDLK_F1:
4726                         launch_context_help();
4727                         k = 0;
4728                         break;
4729
4730                 case SDLK_F2:
4731 //                      if (state != GS_STATE_INITIAL_PLAYER_SELECT) {
4732
4733                         // don't allow f2 while warping out in multiplayer      
4734                         if((Game_mode & GM_MULTIPLAYER) && (Net_player != NULL) && (Net_player->flags & NETINFO_FLAG_WARPING_OUT)){
4735                                 break;
4736                         }
4737
4738                         switch (state) {
4739                                 case GS_STATE_INITIAL_PLAYER_SELECT:
4740                                 case GS_STATE_OPTIONS_MENU:
4741                                 case GS_STATE_HUD_CONFIG:
4742                                 case GS_STATE_CONTROL_CONFIG:
4743                                 case GS_STATE_DEATH_DIED:
4744                                 case GS_STATE_DEATH_BLEW_UP:            
4745                                 case GS_STATE_VIEW_MEDALS:
4746                                         break;
4747
4748                                 default:
4749                                         gameseq_post_event(GS_EVENT_OPTIONS_MENU);
4750                                         k = 0;
4751                                         break;
4752                         }
4753
4754                         break;
4755
4756                         // hotkey selection screen -- only valid from briefing and beyond.
4757                 case SDLK_F3:
4758 #if !(defined(FS2_DEMO) || defined(FS1_DEMO))
4759                                 if ( (state == GS_STATE_TEAM_SELECT) || (state == GS_STATE_BRIEFING) || (state == GS_STATE_SHIP_SELECT) || (state == GS_STATE_WEAPON_SELECT) || (state == GS_STATE_GAME_PLAY) || (state == GS_STATE_GAME_PAUSED) ) {
4760                                         gameseq_post_event( GS_EVENT_HOTKEY_SCREEN );
4761                                         k = 0;
4762                                 }
4763 #endif
4764                         break;
4765
4766                 case KEY_DEBUGGED + SDLK_F3:
4767                         gameseq_post_event( GS_EVENT_TOGGLE_FULLSCREEN );
4768                         break;
4769
4770                 case KEY_DEBUGGED + SDLK_F4:
4771                         gameseq_post_event( GS_EVENT_TOGGLE_GLIDE );
4772                         break;
4773
4774                 case SDLK_F4:
4775                         if(Game_mode & GM_MULTIPLAYER){
4776                                 if((state == GS_STATE_GAME_PLAY) || (state == GS_STATE_MULTI_PAUSED)){
4777                                         gameseq_post_event( GS_EVENT_MISSION_LOG_SCROLLBACK );
4778                                         k = 0;
4779                                 } 
4780                         } else {
4781                                 if ((state == GS_STATE_GAME_PLAY) || (state == GS_STATE_DEATH_DIED) || (state == GS_STATE_DEATH_BLEW_UP) || (state == GS_STATE_GAME_PAUSED) ) {
4782                                         gameseq_post_event( GS_EVENT_MISSION_LOG_SCROLLBACK );
4783                                         k = 0;
4784                                 }
4785                         }
4786                         break;
4787
4788                 case SDLK_ESCAPE | KEY_SHIFTED:
4789                         // make sure to quit properly out of multiplayer
4790                         if(Game_mode & GM_MULTIPLAYER){
4791                                 multi_quit_game(PROMPT_NONE);
4792                         }
4793
4794                         gameseq_post_event( GS_EVENT_QUIT_GAME );
4795                         k = 0;
4796
4797                         break;
4798
4799                 case KEY_DEBUGGED + SDLK_p:
4800                         break;                  
4801
4802                 case SDLK_PRINTSCREEN:
4803                         {
4804                                 static int counter = 0;
4805                                 char tmp_name[127];
4806
4807                                 game_stop_time();
4808
4809                                 SDL_snprintf( tmp_name, SDL_arraysize(tmp_name), NOX("screen%02d"), counter );
4810                                 counter++;
4811                                 mprintf(( "Dumping screen to '%s'\n", tmp_name ));
4812                                 gr_print_screen(tmp_name);
4813
4814                                 game_start_time();
4815                         }
4816
4817                         k = 0;
4818                         break;
4819
4820                 case KEY_SHIFTED | SDLK_RETURN: {
4821
4822 #if !defined(NDEBUG)
4823
4824                         if ( Game_mode & GM_NORMAL ){
4825                                 game_stop_time();
4826                         }
4827
4828                         // if we're in multiplayer mode, do some special networking
4829                         if(Game_mode & GM_MULTIPLAYER){
4830                                 debug_console(game_do_dc_networking);
4831                         } else {                                
4832                                 debug_console();
4833                         }
4834
4835                         game_flush();
4836
4837                         if ( Game_mode & GM_NORMAL )
4838                                 game_start_time();
4839
4840 #endif
4841
4842                         break;
4843                 }
4844         }
4845
4846         return k;
4847 }
4848
4849 void os_close()
4850 {
4851         gameseq_post_event(GS_EVENT_QUIT_GAME);
4852 }
4853
4854 void apply_physics( float damping, float desired_vel, float initial_vel, float t, float * new_vel, float * delta_pos );
4855
4856
4857 void camera_set_position( vector *pos )
4858 {
4859         Camera_pos = *pos;
4860 }
4861
4862 void camera_set_orient( matrix *orient )
4863 {
4864         Camera_orient = *orient;
4865 }
4866
4867 void camera_set_velocity( vector *vel, int instantaneous )
4868 {
4869         Camera_desired_velocity.xyz.x = 0.0f;
4870         Camera_desired_velocity.xyz.y = 0.0f;
4871         Camera_desired_velocity.xyz.z = 0.0f;
4872
4873         vm_vec_scale_add2( &Camera_desired_velocity, &Camera_orient.v.rvec, vel->xyz.x );
4874         vm_vec_scale_add2( &Camera_desired_velocity, &Camera_orient.v.uvec, vel->xyz.y );
4875         vm_vec_scale_add2( &Camera_desired_velocity, &Camera_orient.v.fvec, vel->xyz.z );
4876
4877         if ( instantaneous )    {
4878                 Camera_velocity = Camera_desired_velocity;
4879         }
4880
4881 }
4882
4883 //
4884 void camera_move()
4885 {
4886         vector new_vel, delta_pos;
4887
4888         apply_physics( Camera_damping, Camera_desired_velocity.xyz.x, Camera_velocity.xyz.x, flFrametime, &new_vel.xyz.x, &delta_pos.xyz.x );
4889         apply_physics( Camera_damping, Camera_desired_velocity.xyz.y, Camera_velocity.xyz.y, flFrametime, &new_vel.xyz.y, &delta_pos.xyz.y );
4890         apply_physics( Camera_damping, Camera_desired_velocity.xyz.z, Camera_velocity.xyz.z, flFrametime, &new_vel.xyz.z, &delta_pos.xyz.z );
4891
4892         Camera_velocity = new_vel;
4893
4894 //      mprintf(( "Camera velocity = %.1f,%.1f, %.1f\n", Camera_velocity.xyz.x, Camera_velocity.xyz.y, Camera_velocity.xyz.z ));
4895
4896         vm_vec_add2( &Camera_pos, &delta_pos );
4897
4898         float ot = Camera_time+0.0f;
4899
4900         Camera_time += flFrametime;
4901
4902         if ( (ot < 0.667f) && ( Camera_time >= 0.667f ) )       {
4903                 vector tmp;
4904                 
4905                 tmp.xyz.z = 4.739f;             // always go this fast forward.
4906
4907                 // pick x and y velocities so they are always on a 
4908                 // circle with a 25 m radius.
4909
4910                 float tmp_angle = frand()*PI2;
4911         
4912                 tmp.xyz.x = 22.0f * (float)sin(tmp_angle);
4913                 tmp.xyz.y = -22.0f * (float)cos(tmp_angle);
4914
4915                 //mprintf(( "Angle = %.1f, vx=%.1f, vy=%.1f\n", tmp_angle, tmp.xyz.x, tmp.xyz.y ));
4916
4917                 //mprintf(( "Changing velocity!\n" ));
4918                 camera_set_velocity( &tmp, 0 );
4919         }
4920
4921         if ( (ot < 3.0f ) && ( Camera_time >= 3.0f ) )  {
4922                 vector tmp = ZERO_VECTOR;
4923                 camera_set_velocity( &tmp, 0 );
4924         }
4925         
4926 }
4927
4928 void end_demo_campaign_do()
4929 {
4930         // go to upsell screens, which should drop back to the main hall
4931         gameseq_post_event(GS_EVENT_DEMO_UPSELL);
4932 }
4933
4934 // All code to process events.   This is the only place
4935 // that you should change the state of the game.
4936 extern "C"
4937 void game_process_event( int current_state, int event )
4938 {
4939         mprintf(("Got event %s in state %s\n", GS_event_text[event], GS_state_text[current_state]));
4940
4941         switch (event) {
4942                 case GS_EVENT_SIMULATOR_ROOM:
4943                         gameseq_set_state(GS_STATE_SIMULATOR_ROOM);
4944                         break;
4945
4946                 case GS_EVENT_MAIN_MENU:
4947                         gameseq_set_state(GS_STATE_MAIN_MENU);          
4948                         break;
4949
4950                 case GS_EVENT_OPTIONS_MENU:
4951                         gameseq_push_state( GS_STATE_OPTIONS_MENU );
4952                         break;
4953
4954                 case GS_EVENT_BARRACKS_MENU:
4955                         gameseq_set_state(GS_STATE_BARRACKS_MENU);              
4956                         break;
4957
4958                 case GS_EVENT_TECH_MENU:
4959                         gameseq_set_state(GS_STATE_TECH_MENU);          
4960                         break;
4961
4962                 case GS_EVENT_TRAINING_MENU:
4963                         gameseq_set_state(GS_STATE_TRAINING_MENU);              
4964                         break;
4965
4966                 case GS_EVENT_START_GAME:
4967                         Select_default_ship = 0;                        
4968                         Player_multi_died_check = -1;
4969                         gameseq_set_state(GS_STATE_CMD_BRIEF);
4970                         break;
4971
4972                 case GS_EVENT_START_BRIEFING:
4973                         gameseq_set_state(GS_STATE_BRIEFING);           
4974                         break;
4975
4976                 case GS_EVENT_DEBRIEF:
4977                         // did we end the campaign in the main freespace 2 single player campaign?
4978 #ifdef MAKE_FS1
4979                         if(Campaign_ended_in_mission && (Game_mode & GM_CAMPAIGN_MODE) && !SDL_strcasecmp(Campaign.filename, "freespace")) {
4980 #else
4981                         if(Campaign_ended_in_mission && (Game_mode & GM_CAMPAIGN_MODE) && !SDL_strcasecmp(Campaign.filename, "freespace2")) {
4982 #endif
4983                                 gameseq_post_event(GS_EVENT_END_CAMPAIGN);
4984                         } else {
4985                                 gameseq_set_state(GS_STATE_DEBRIEF);            
4986                         }
4987
4988                         Player_multi_died_check = -1;
4989                         break;
4990
4991                 case GS_EVENT_SHIP_SELECTION:
4992                         gameseq_set_state( GS_STATE_SHIP_SELECT );
4993                         break;
4994
4995                 case GS_EVENT_WEAPON_SELECTION:
4996                         gameseq_set_state( GS_STATE_WEAPON_SELECT );
4997                         break;
4998
4999                 case GS_EVENT_ENTER_GAME:               
5000 #ifdef DEMO_SYSTEM
5001                         // maybe start recording a demo
5002                         if(Demo_make){
5003                                 demo_start_record("test.fsd");
5004                         }
5005 #endif
5006
5007                         if (Game_mode & GM_MULTIPLAYER) {
5008                                 // if we're respawning, make sure we change the view mode so that the hud shows up
5009                                 if (current_state == GS_STATE_DEATH_BLEW_UP) {
5010                                         Viewer_mode = 0;
5011                                 }
5012
5013                                 gameseq_set_state(GS_STATE_GAME_PLAY);
5014                         } else {
5015                                 gameseq_set_state(GS_STATE_GAME_PLAY, 1);
5016                         }
5017
5018                         Player_multi_died_check = -1;
5019
5020                         // clear multiplayer button info                        
5021                         extern button_info Multi_ship_status_bi;
5022                         memset(&Multi_ship_status_bi, 0, sizeof(button_info));
5023
5024                         Start_time = f2fl(timer_get_approx_seconds());
5025                         //Framecount = 0;
5026                         mprintf(("Entering game at time = %7.3f\n", Start_time));
5027                         break;
5028
5029
5030                 case GS_EVENT_START_GAME_QUICK:
5031                         Select_default_ship = 1;
5032                         gameseq_post_event(GS_EVENT_ENTER_GAME);
5033                         break;
5034
5035
5036                 case GS_EVENT_END_GAME:
5037                         if ( (current_state == GS_STATE_GAME_PLAY) || (current_state == GS_STATE_DEATH_DIED) ||
5038                                 (current_state == GS_STATE_DEATH_BLEW_UP) ||    (current_state == GS_STATE_DEBRIEF) || (current_state == GS_STATE_MULTI_DOGFIGHT_DEBRIEF)) {
5039                                         gameseq_set_state(GS_STATE_MAIN_MENU);
5040
5041                         } else
5042                                 Int3();
5043
5044                         Player_multi_died_check = -1;
5045                         break;
5046
5047                 case GS_EVENT_QUIT_GAME:
5048                         main_hall_stop_music();
5049                         main_hall_stop_ambient();
5050
5051 #if defined(FS2_DEMO) || defined(FS1_DEMO)
5052                         if (current_state == GS_STATE_DEMO_UPSELL) {
5053                                 gameseq_set_state(GS_STATE_QUIT_GAME);
5054                         } else {
5055                                 gameseq_set_state(GS_STATE_DEMO_UPSELL);
5056                         }
5057 #else
5058                         gameseq_set_state(GS_STATE_QUIT_GAME);
5059 #endif
5060
5061                         Player_multi_died_check = -1;
5062                         break;
5063
5064                 case GS_EVENT_GAMEPLAY_HELP:
5065                         gameseq_push_state( GS_STATE_GAMEPLAY_HELP );
5066                         break;
5067
5068                 case GS_EVENT_PAUSE_GAME:
5069                         gameseq_push_state(GS_STATE_GAME_PAUSED);
5070                         break;
5071
5072                 case GS_EVENT_DEBUG_PAUSE_GAME:
5073                         gameseq_push_state(GS_STATE_DEBUG_PAUSED);
5074                         break;
5075
5076                 case GS_EVENT_TRAINING_PAUSE:
5077                         gameseq_push_state(GS_STATE_TRAINING_PAUSED);
5078                         break;
5079
5080                 case GS_EVENT_PREVIOUS_STATE:
5081                         gameseq_pop_state();
5082                         break;
5083
5084                 case GS_EVENT_TOGGLE_FULLSCREEN:
5085                         gr_toggle_fullscreen();
5086                         break;
5087
5088                 case GS_EVENT_TOGGLE_GLIDE:
5089                         break;                                          
5090  
5091                 case GS_EVENT_LOAD_MISSION_MENU:
5092                         break;
5093
5094                 case GS_EVENT_MISSION_LOG_SCROLLBACK:
5095                         gameseq_push_state( GS_STATE_MISSION_LOG_SCROLLBACK );
5096                         break;
5097
5098                 case GS_EVENT_HUD_CONFIG:
5099                         gameseq_push_state( GS_STATE_HUD_CONFIG );
5100                         break;
5101
5102                 case GS_EVENT_CONTROL_CONFIG:
5103                         gameseq_push_state( GS_STATE_CONTROL_CONFIG );
5104                         break;  
5105
5106                 case GS_EVENT_DEATH_DIED:
5107                         gameseq_set_state( GS_STATE_DEATH_DIED );
5108                         break;
5109
5110                 case GS_EVENT_DEATH_BLEW_UP:
5111                         if (  current_state == GS_STATE_DEATH_DIED )    {
5112                                 gameseq_set_state( GS_STATE_DEATH_BLEW_UP );
5113                                 event_music_player_death();
5114
5115                                 // multiplayer clients set their extra check here
5116                                 if(Game_mode & GM_MULTIPLAYER){
5117                                         // set the multi died absolute last chance check                                        
5118                                         Player_multi_died_check = time(NULL);
5119                                 }                                       
5120                         } else {
5121                                 mprintf(( "Ignoring GS_EVENT_DEATH_BLEW_UP because we're in state %d\n", current_state ));
5122                         }
5123                         break;
5124
5125                 case GS_EVENT_NEW_CAMPAIGN:
5126                         if (!mission_load_up_campaign()){
5127                                 readyroom_continue_campaign();
5128                         }
5129
5130                         Player_multi_died_check = -1;
5131                         break;
5132
5133                 case GS_EVENT_CAMPAIGN_CHEAT:
5134                         if (!mission_load_up_campaign()){
5135                                 /*
5136                                 // bash campaign value
5137                                 extern char Main_hall_campaign_cheat[512];
5138                                 int idx;
5139                                 
5140                                 // look for the mission
5141                                 for(idx=0; idx<Campaign.num_missions; idx++){
5142                                         if(!SDL_strcasecmp(Campaign.missions[idx].name, Main_hall_campaign_cheat)){
5143                                                 Campaign.next_mission = idx;
5144                                                 Campaign.prev_mission = idx - 1;
5145                                                 break;
5146                                         }
5147                                 }
5148                                 */
5149
5150                                 // continue
5151                                 readyroom_continue_campaign();
5152                         }
5153
5154                         Player_multi_died_check = -1;
5155                         break;
5156
5157                 case GS_EVENT_CAMPAIGN_ROOM:
5158                         gameseq_set_state(GS_STATE_CAMPAIGN_ROOM);
5159                         break;
5160
5161                 case GS_EVENT_CMD_BRIEF:
5162                         gameseq_set_state(GS_STATE_CMD_BRIEF);
5163                         break;
5164
5165                 case GS_EVENT_RED_ALERT:
5166                         gameseq_set_state(GS_STATE_RED_ALERT);
5167                         break;
5168
5169                 case GS_EVENT_CREDITS:
5170                         gameseq_set_state( GS_STATE_CREDITS );
5171                         break;
5172
5173                 case GS_EVENT_VIEW_MEDALS:
5174                         gameseq_push_state( GS_STATE_VIEW_MEDALS );
5175                         break;
5176
5177                 case GS_EVENT_SHOW_GOALS:
5178                         gameseq_push_state( GS_STATE_SHOW_GOALS );      // use push_state() since we might get to this screen through a variety of states
5179                         break;
5180
5181                 case GS_EVENT_HOTKEY_SCREEN:
5182                         gameseq_push_state( GS_STATE_HOTKEY_SCREEN );   // use push_state() since we might get to this screen through a variety of states
5183                         break;
5184                 
5185         // multiplayer stuff follow these comments
5186
5187                 case GS_EVENT_PXO:
5188                         gameseq_set_state(GS_STATE_PXO);
5189                         break;
5190
5191                 case GS_EVENT_PXO_HELP:
5192                         gameseq_set_state(GS_STATE_PXO_HELP);
5193                         break;
5194
5195                 case GS_EVENT_MULTI_JOIN_GAME:
5196                         gameseq_set_state( GS_STATE_MULTI_JOIN_GAME );
5197                         break;
5198
5199                 case GS_EVENT_MULTI_HOST_SETUP:
5200                         gameseq_set_state( GS_STATE_MULTI_HOST_SETUP );
5201                         break;
5202
5203                 case GS_EVENT_MULTI_CLIENT_SETUP:
5204                         gameseq_set_state( GS_STATE_MULTI_CLIENT_SETUP );
5205                         break;
5206
5207                 case GS_EVENT_GOTO_VIEW_CUTSCENES_SCREEN:
5208                         gameseq_set_state(GS_STATE_VIEW_CUTSCENES);
5209                         break;
5210
5211                 case GS_EVENT_MULTI_STD_WAIT:
5212                         gameseq_set_state( GS_STATE_MULTI_STD_WAIT );
5213                         break;
5214
5215                 case GS_EVENT_STANDALONE_MAIN:
5216                         gameseq_set_state( GS_STATE_STANDALONE_MAIN );
5217                         break;   
5218
5219                 case GS_EVENT_MULTI_PAUSE:
5220                         gameseq_push_state( GS_STATE_MULTI_PAUSED );
5221                         break;                  
5222
5223                 case GS_EVENT_INGAME_PRE_JOIN:
5224                         gameseq_set_state( GS_STATE_INGAME_PRE_JOIN );
5225                         break;
5226                 
5227                 case GS_EVENT_EVENT_DEBUG:
5228                         gameseq_push_state(GS_STATE_EVENT_DEBUG);
5229                         break;
5230
5231                 // Start a warpout where player automatically goes 70 no matter what
5232                 // and can't cancel out of it.
5233                 case GS_EVENT_PLAYER_WARPOUT_START_FORCED:
5234                         Warpout_forced = 1;                                                     // If non-zero, bash the player to speed and go through effect
5235
5236                         // Same code as in GS_EVENT_PLAYER_WARPOUT_START only ignores current mode
5237                         Player->saved_viewer_mode = Viewer_mode;
5238                         Player->control_mode = PCM_WARPOUT_STAGE1;
5239                         Warpout_sound = snd_play(&Snds[SND_PLAYER_WARP_OUT]);
5240                         Warpout_time = 0.0f;                    // Start timer!
5241                         break;
5242
5243                 case GS_EVENT_PLAYER_WARPOUT_START:
5244                         if ( Player->control_mode != PCM_NORMAL )       {
5245                                 mprintf(( "Player isn't in normal mode; cannot warp out.\n" ));
5246                         } else {
5247                                 Player->saved_viewer_mode = Viewer_mode;
5248                                 Player->control_mode = PCM_WARPOUT_STAGE1;
5249                                 Warpout_sound = snd_play(&Snds[SND_PLAYER_WARP_OUT]);
5250                                 Warpout_time = 0.0f;                    // Start timer!
5251                                 Warpout_forced = 0;                             // If non-zero, bash the player to speed and go through effect
5252                         }
5253                         break;
5254
5255                 case GS_EVENT_PLAYER_WARPOUT_STOP:
5256                         if ( Player->control_mode != PCM_NORMAL )       {
5257                                 if ( !Warpout_forced )  {               // cannot cancel forced warpout
5258                                         Player->control_mode = PCM_NORMAL;
5259                                         Viewer_mode = Player->saved_viewer_mode;
5260                                         hud_subspace_notify_abort();
5261                                         mprintf(( "Player put back to normal mode.\n" ));
5262                                         if ( Warpout_sound > -1 )       {
5263                                                 snd_stop( Warpout_sound );
5264                                                 Warpout_sound = -1;
5265                                         }
5266                                 }
5267                         }
5268                         break;
5269
5270                 case GS_EVENT_PLAYER_WARPOUT_DONE_STAGE1:               // player ship got up to speed
5271                         if ( Player->control_mode != PCM_WARPOUT_STAGE1 )       {
5272                                 gameseq_post_event( GS_EVENT_PLAYER_WARPOUT_STOP );
5273                                 mprintf(( "Player put back to normal mode, because of invalid sequence in stage1.\n" ));
5274                         } else {
5275                                 mprintf(( "Hit target speed.  Starting warp effect and moving to stage 2!\n" ));
5276                                 shipfx_warpout_start( Player_obj );
5277                                 Player->control_mode = PCM_WARPOUT_STAGE2;
5278                                 Player->saved_viewer_mode = Viewer_mode;
5279                                 Viewer_mode |= VM_WARP_CHASE;
5280                                 
5281                                 vector tmp = Player_obj->pos;
5282                                 matrix tmp_m;
5283                                 ship_get_eye( &tmp, &tmp_m, Player_obj );
5284                                 vm_vec_scale_add2( &tmp, &Player_obj->orient.v.rvec, 0.0f );
5285                                 vm_vec_scale_add2( &tmp, &Player_obj->orient.v.uvec, 0.952f );
5286                                 vm_vec_scale_add2( &tmp, &Player_obj->orient.v.fvec, -1.782f );
5287                                 Camera_time = 0.0f;
5288                                 camera_set_position( &tmp );
5289                                 camera_set_orient( &Player_obj->orient );
5290                                 vector tmp_vel = { { { 0.0f, 5.1919f, 14.7f } } };
5291
5292                                 //mprintf(( "Rad = %.1f\n", Player_obj->radius ));
5293                                 camera_set_velocity( &tmp_vel, 1);
5294                         }
5295                         break;
5296
5297                 case GS_EVENT_PLAYER_WARPOUT_DONE_STAGE2:               // player ship got into the warp effect
5298                         if ( Player->control_mode != PCM_WARPOUT_STAGE2 )       {
5299                                 gameseq_post_event( GS_EVENT_PLAYER_WARPOUT_STOP );
5300                                 mprintf(( "Player put back to normal mode, because of invalid sequence in stage2.\n" ));
5301                         } else {
5302                                 mprintf(( "Hit warp effect.  Moving to stage 3!\n" ));
5303                                 Player->control_mode = PCM_WARPOUT_STAGE3;
5304                         }
5305                         break;
5306
5307                 case GS_EVENT_PLAYER_WARPOUT_DONE:      // player ship got through the warp effect
5308                         mprintf(( "Player warped out.  Going to debriefing!\n" ));
5309                         Player->control_mode = PCM_NORMAL;
5310                         Viewer_mode = Player->saved_viewer_mode;
5311                         Warpout_sound = -1;
5312
5313                         // we have a special debriefing screen for multiplayer furballs
5314                         if((Game_mode & GM_MULTIPLAYER) && (The_mission.game_type & MISSION_TYPE_MULTI_DOGFIGHT)){
5315                                 gameseq_post_event(GS_EVENT_MULTI_DOGFIGHT_DEBRIEF);
5316                         }
5317                         // do the normal debriefing for all other situations
5318                         else {
5319                                 gameseq_post_event(GS_EVENT_DEBRIEF);
5320                         }
5321                         break;
5322
5323                 case GS_EVENT_STANDALONE_POSTGAME:
5324                         gameseq_set_state(GS_STATE_STANDALONE_POSTGAME);
5325                         break;
5326
5327                 case GS_EVENT_INITIAL_PLAYER_SELECT:
5328                         gameseq_set_state(GS_STATE_INITIAL_PLAYER_SELECT);
5329                         break;
5330
5331                 case GS_EVENT_GAME_INIT:
5332 #if defined(FS2_DEMO) || defined(OEM_BUILD) || defined(FS1_DEMO)
5333                         gameseq_set_state(GS_STATE_INITIAL_PLAYER_SELECT);
5334 #else                   
5335                         // see if the command line option has been set to use the last pilot, and act acoordingly
5336                         if( player_select_get_last_pilot() ) {                                                          
5337                                 // always enter the main menu -- do the automatic network startup stuff elsewhere
5338                                 // so that we still have valid checks for networking modes, etc.
5339                                 gameseq_set_state(GS_STATE_MAIN_MENU);
5340                         } else {
5341                                 gameseq_set_state(GS_STATE_INITIAL_PLAYER_SELECT);
5342                         }
5343 #endif
5344                         break;
5345
5346                 case GS_EVENT_MULTI_MISSION_SYNC:
5347                         gameseq_set_state(GS_STATE_MULTI_MISSION_SYNC);
5348                         break;          
5349
5350                 case GS_EVENT_MULTI_START_GAME:
5351                         gameseq_set_state(GS_STATE_MULTI_START_GAME);
5352                         break;
5353
5354                 case GS_EVENT_MULTI_HOST_OPTIONS:
5355                         gameseq_set_state(GS_STATE_MULTI_HOST_OPTIONS);
5356                         break;
5357
5358                 case GS_EVENT_MULTI_DOGFIGHT_DEBRIEF:
5359                         gameseq_set_state(GS_STATE_MULTI_DOGFIGHT_DEBRIEF);
5360                         break;
5361
5362                 case GS_EVENT_TEAM_SELECT:
5363                         gameseq_set_state(GS_STATE_TEAM_SELECT);
5364                         break;
5365
5366                 case GS_EVENT_END_CAMPAIGN:                     
5367                         gameseq_set_state(GS_STATE_END_OF_CAMPAIGN);
5368                         break;          
5369
5370                 case GS_EVENT_END_DEMO:
5371                         gameseq_set_state(GS_STATE_END_DEMO);
5372                         break;
5373
5374                 case GS_EVENT_LOOP_BRIEF:
5375                         gameseq_set_state(GS_STATE_LOOP_BRIEF);
5376                         break;
5377
5378                 case GS_EVENT_DEMO_UPSELL:
5379                         gameseq_set_state(GS_STATE_DEMO_UPSELL);
5380                         break;
5381
5382                 default:
5383                         Int3();
5384                         break;
5385         }
5386 }
5387
5388 // Called when a state is being left.
5389 // The current state is still at old_state, but as soon as
5390 // this function leaves, then the current state will become
5391 // new state.     You should never try to change the state
5392 // in here... if you think you need to, you probably really
5393 // need to post an event, not change the state.
5394 void game_leave_state( int old_state, int new_state )
5395 {
5396         int end_mission = 1;
5397
5398         switch (new_state) {
5399                 case GS_STATE_GAME_PAUSED:
5400                 case GS_STATE_DEBUG_PAUSED:
5401                 case GS_STATE_OPTIONS_MENU:
5402                 case GS_STATE_CONTROL_CONFIG:           
5403                 case GS_STATE_MISSION_LOG_SCROLLBACK:
5404                 case GS_STATE_DEATH_DIED:
5405                 case GS_STATE_SHOW_GOALS:
5406                 case GS_STATE_HOTKEY_SCREEN:            
5407                 case GS_STATE_MULTI_PAUSED:
5408                 case GS_STATE_TRAINING_PAUSED:
5409                 case GS_STATE_EVENT_DEBUG:                              
5410                 case GS_STATE_GAMEPLAY_HELP:
5411                         end_mission = 0;  // these events shouldn't end a mission
5412                         break;
5413         }
5414
5415         switch (old_state) {
5416                 case GS_STATE_BRIEFING:
5417                         brief_stop_voices();
5418                         if ( (new_state != GS_STATE_OPTIONS_MENU) && (new_state != GS_STATE_WEAPON_SELECT)
5419                                   && (new_state != GS_STATE_SHIP_SELECT) && (new_state != GS_STATE_HOTKEY_SCREEN)
5420                                   && (new_state != GS_STATE_TEAM_SELECT) ){
5421                                 common_select_close();
5422                                 if ( new_state == GS_STATE_MAIN_MENU ) {
5423                                         freespace_stop_mission();       
5424                                 }
5425                         }
5426                         
5427                         // COMMAND LINE OPTION
5428                         if (Cmdline_multi_stream_chat_to_file){
5429                                 cfwrite_string(NOX("-------------------------------------------\n"),Multi_chat_stream);
5430                                 cfclose(Multi_chat_stream);
5431                         }
5432                         break;
5433
5434                 case GS_STATE_DEBRIEF:
5435                         if ( (new_state != GS_STATE_VIEW_MEDALS) && (new_state != GS_STATE_OPTIONS_MENU) ) {
5436                                 debrief_close();                                
5437                         }
5438                         break;
5439
5440                 case GS_STATE_MULTI_DOGFIGHT_DEBRIEF:
5441                         multi_df_debrief_close();
5442                         break;
5443
5444                 case GS_STATE_LOAD_MISSION_MENU:
5445                         break;
5446
5447                 case GS_STATE_SIMULATOR_ROOM:
5448                         sim_room_close();
5449                         break;
5450
5451                 case GS_STATE_CAMPAIGN_ROOM:
5452                         campaign_room_close();
5453                         break;
5454
5455                 case GS_STATE_CMD_BRIEF:
5456                         if (new_state == GS_STATE_OPTIONS_MENU) {
5457                                 cmd_brief_hold();
5458
5459                         } else {
5460                                 cmd_brief_close();
5461                                 if (new_state == GS_STATE_MAIN_MENU)
5462                                         freespace_stop_mission();       
5463                         }
5464
5465                         break;
5466
5467                 case GS_STATE_RED_ALERT:
5468                         red_alert_close();
5469                         break;
5470
5471                 case GS_STATE_SHIP_SELECT:
5472                         if ( new_state != GS_STATE_OPTIONS_MENU && new_state != GS_STATE_WEAPON_SELECT &&
5473                                   new_state != GS_STATE_HOTKEY_SCREEN &&
5474                                   new_state != GS_STATE_BRIEFING && new_state != GS_STATE_TEAM_SELECT) {
5475                                 common_select_close();
5476                                 if ( new_state == GS_STATE_MAIN_MENU ) {
5477                                         freespace_stop_mission();       
5478                                 }
5479                         }
5480                         break;
5481
5482                 case GS_STATE_WEAPON_SELECT:
5483                         if ( new_state != GS_STATE_OPTIONS_MENU && new_state != GS_STATE_SHIP_SELECT &&
5484                                   new_state != GS_STATE_HOTKEY_SCREEN &&
5485                                   new_state != GS_STATE_BRIEFING && new_state != GS_STATE_TEAM_SELECT) {
5486                                 common_select_close();
5487                                 if ( new_state == GS_STATE_MAIN_MENU ) {
5488                                         freespace_stop_mission();       
5489                                 }
5490                         }
5491                         break;
5492
5493                 case GS_STATE_TEAM_SELECT:
5494                         if ( new_state != GS_STATE_OPTIONS_MENU && new_state != GS_STATE_SHIP_SELECT &&
5495                                   new_state != GS_STATE_HOTKEY_SCREEN &&
5496                                   new_state != GS_STATE_BRIEFING && new_state != GS_STATE_WEAPON_SELECT) {
5497                                 common_select_close();
5498                                 if ( new_state == GS_STATE_MAIN_MENU ) {
5499                                         freespace_stop_mission();       
5500                                 }
5501                         }                                       
5502                         break;
5503
5504                 case GS_STATE_MAIN_MENU:
5505 #if defined(PRESS_TOUR_BUILD) || defined(PD_BUILD)
5506                         mht_close();
5507 #else
5508                         main_hall_close();
5509 #endif
5510                         break;
5511
5512                 case GS_STATE_OPTIONS_MENU:
5513                         //game_start_time();
5514                         if(new_state == GS_STATE_MULTI_JOIN_GAME){
5515                                 multi_join_clear_game_list();
5516                         }
5517                         options_menu_close();
5518                         break;
5519
5520                 case GS_STATE_BARRACKS_MENU:
5521                         if(new_state != GS_STATE_VIEW_MEDALS){
5522                                 barracks_close();
5523                         }
5524                         break;
5525
5526                 case GS_STATE_MISSION_LOG_SCROLLBACK:
5527                         hud_scrollback_close();
5528                         break;
5529
5530                 case GS_STATE_TRAINING_MENU:
5531                         training_menu_close();
5532                         break;
5533
5534                 case GS_STATE_GAME_PLAY:
5535                         if ( !(Game_mode & GM_STANDALONE_SERVER) ) {
5536                                 player_save_target_and_weapon_link_prefs();
5537                                 game_stop_looped_sounds();
5538                         }
5539
5540                         sound_env_disable();
5541                         joy_ff_stop_effects();
5542
5543                         // stop game time under certain conditions
5544                         if ( end_mission || (Game_mode & GM_NORMAL) || ((Game_mode & GM_MULTIPLAYER) && (new_state == GS_STATE_MULTI_PAUSED)) ){
5545                                 game_stop_time();
5546                         }
5547
5548                         if (end_mission) {
5549                         // shut down any recording or playing demos
5550 #ifdef DEMO_SYSTEM
5551                                 demo_close();
5552 #endif
5553
5554                                 // when in multiplayer and going back to the main menu, send a leave game packet
5555                                 // right away (before calling stop mission).  stop_mission was taking to long to
5556                                 // close mission down and I want people to get notified ASAP.
5557                                 if ( (Game_mode & GM_MULTIPLAYER) && (new_state == GS_STATE_MAIN_MENU) ){
5558                                         multi_quit_game(PROMPT_NONE);
5559                                 }
5560
5561                                 freespace_stop_mission();                       
5562                                 Game_time_compression = F1_0;
5563                         }
5564                         break;
5565
5566                 case GS_STATE_TECH_MENU:
5567                         techroom_close();
5568                         break;
5569
5570                 case GS_STATE_TRAINING_PAUSED:
5571                         Training_num_lines = 0;
5572                         // fall through to GS_STATE_GAME_PAUSED
5573
5574                 case GS_STATE_GAME_PAUSED:
5575                         game_start_time();
5576                         if ( end_mission ) {
5577                                 pause_close(0);
5578                         }
5579                         break;
5580
5581                 case GS_STATE_DEBUG_PAUSED:
5582                         #ifndef NDEBUG
5583                                 game_start_time();
5584                                 pause_debug_close();
5585                         #endif
5586                         break;
5587
5588                 case GS_STATE_HUD_CONFIG:
5589                         hud_config_close();
5590                         break;
5591
5592                 // join/start a game
5593                 case GS_STATE_MULTI_JOIN_GAME:
5594                         if(new_state != GS_STATE_OPTIONS_MENU){
5595                                 multi_join_game_close();
5596                         }
5597                         break;
5598
5599                 case GS_STATE_MULTI_HOST_SETUP:
5600                 case GS_STATE_MULTI_CLIENT_SETUP:
5601                         // if this is just the host going into the options screen, don't do anything
5602                         if((new_state == GS_STATE_MULTI_HOST_OPTIONS) || (new_state == GS_STATE_OPTIONS_MENU)){
5603                                 break;
5604                         }
5605
5606                         // close down the proper state
5607                         if(old_state == GS_STATE_MULTI_HOST_SETUP){
5608                                 multi_create_game_close();
5609                         } else {
5610                                 multi_game_client_setup_close();
5611                         }
5612
5613                         // COMMAND LINE OPTION
5614                         if (Cmdline_multi_stream_chat_to_file){
5615                                 if( (new_state != GS_STATE_TEAM_SELECT) && (Multi_chat_stream!=NULL) ) {
5616                                         cfwrite_string(NOX("-------------------------------------------\n"),Multi_chat_stream);
5617                                         cfclose(Multi_chat_stream);
5618                                 }
5619                         }                       
5620                         break;
5621
5622                 case GS_STATE_CONTROL_CONFIG:
5623                         control_config_close();
5624                         break;
5625
5626                 case GS_STATE_DEATH_DIED:
5627                         Game_mode &= ~GM_DEAD_DIED;
5628                         
5629                         // early end while respawning or blowing up in a multiplayer game
5630                         if((Game_mode & GM_MULTIPLAYER) && ((new_state == GS_STATE_DEBRIEF) || (new_state == GS_STATE_MULTI_DOGFIGHT_DEBRIEF)) ){
5631                                 game_stop_time();
5632                                 freespace_stop_mission();
5633                         }
5634                         break;
5635
5636                 case GS_STATE_DEATH_BLEW_UP:
5637                         Game_mode &= ~GM_DEAD_BLEW_UP;
5638
5639                         // for single player, we might reload mission, etc.  For multiplayer, look at my new state
5640                         // to determine if I should do anything.
5641                         if ( !(Game_mode & GM_MULTIPLAYER) ) {
5642                                 if ( end_mission ){
5643                                         freespace_stop_mission();
5644                                 }
5645                         } else {
5646                                 // if we are not respawing as an observer or as a player, our new state will not
5647                                 // be gameplay state.
5648                                 if ( (new_state != GS_STATE_GAME_PLAY) && (new_state != GS_STATE_MULTI_PAUSED) ) {
5649                                         game_stop_time();                                                                       // hasn't been called yet!!
5650                                         freespace_stop_mission();
5651                                 }
5652                         }
5653                         break;
5654
5655
5656                 case GS_STATE_CREDITS:
5657                         credits_close();
5658                         break;
5659
5660                 case GS_STATE_VIEW_MEDALS:
5661                         medal_main_close();
5662                         break;
5663
5664                 case GS_STATE_SHOW_GOALS:
5665                         mission_show_goals_close();
5666                         break;
5667
5668                 case GS_STATE_HOTKEY_SCREEN:
5669                         if ( new_state != GS_STATE_OPTIONS_MENU ) {
5670                                 mission_hotkey_close();
5671                         }
5672                         break;
5673
5674                 case GS_STATE_MULTI_MISSION_SYNC:
5675                         // if we're moving into the options menu, don't do anything
5676                         if(new_state == GS_STATE_OPTIONS_MENU){
5677                                 break;
5678                         }
5679
5680                         SDL_assert( Game_mode & GM_MULTIPLAYER );
5681                         multi_sync_close();
5682                         if ( new_state == GS_STATE_GAME_PLAY ){
5683                                 // palette_restore_palette();
5684
5685                                 // change a couple of flags to indicate our state!!!
5686                                 Net_player->state = NETPLAYER_STATE_IN_MISSION;
5687                                 send_netplayer_update_packet();
5688
5689                                 // set the game mode
5690                                 Game_mode |= GM_IN_MISSION;
5691                         }                       
5692                         break;          
5693    
5694                 case GS_STATE_VIEW_CUTSCENES:
5695                         cutscenes_screen_close();
5696                         break;
5697
5698                 case GS_STATE_MULTI_STD_WAIT:
5699                         multi_standalone_wait_close();
5700                         break;
5701
5702                 case GS_STATE_STANDALONE_MAIN:                  
5703                         standalone_main_close();
5704                         if(new_state == GS_STATE_MULTI_STD_WAIT){               
5705                                 init_multiplayer_stats();                                                                               
5706                         }                       
5707                         break;
5708
5709                 case GS_STATE_MULTI_PAUSED:
5710                         // if ( end_mission ){
5711                                 pause_close(1);
5712                         // }
5713                         break;                  
5714
5715                 case GS_STATE_INGAME_PRE_JOIN:
5716                         multi_ingame_select_close();
5717                         break;
5718
5719                 case GS_STATE_STANDALONE_POSTGAME:
5720                         multi_standalone_postgame_close();
5721                         break;
5722
5723                 case GS_STATE_INITIAL_PLAYER_SELECT:                    
5724                         player_select_close();                  
5725                         break;          
5726
5727                 case GS_STATE_MULTI_START_GAME:
5728                         multi_start_game_close();
5729                         break;
5730
5731                 case GS_STATE_MULTI_HOST_OPTIONS:
5732                         multi_host_options_close();
5733                         break;                          
5734
5735                 case GS_STATE_END_OF_CAMPAIGN:
5736                         mission_campaign_end_close();
5737                         break;
5738
5739                 case GS_STATE_LOOP_BRIEF:
5740                         loop_brief_close();
5741                         break;
5742
5743                 case GS_STATE_PXO:
5744                         if (new_state != GS_STATE_PXO_HELP) {
5745                                 multi_pxo_close();
5746                         }
5747                         break;
5748
5749                 case GS_STATE_PXO_HELP:
5750                         multi_pxo_help_close();
5751                         break;
5752
5753                 case GS_STATE_DEMO_UPSELL:
5754 #if defined(FS2_DEMO) || defined(FS1_DEMO)
5755                         demo_upsell_close();
5756 #endif
5757                         break;
5758         }
5759 }
5760
5761 // Called when a state is being entered.
5762 // The current state is set to the state we're entering at
5763 // this point, and old_state is set to the state we're coming
5764 // from.    You should never try to change the state
5765 // in here... if you think you need to, you probably really
5766 // need to post an event, not change the state.
5767 extern "C"
5768 void game_enter_state( int old_state, int new_state )
5769 {
5770         switch (new_state) {
5771                 case GS_STATE_MAIN_MENU:                                
5772                         // in multiplayer mode, be sure that we are not doing networking anymore.
5773                         if ( Game_mode & GM_MULTIPLAYER ) {
5774                                 SDL_assert( Net_player != NULL );
5775                                 Net_player->flags &= ~NETINFO_FLAG_DO_NETWORKING;
5776                         }
5777
5778                         Game_time_compression = F1_0;
5779         
5780                         // determine which ship this guy is currently based on
5781 #if defined(PRESS_TOUR_BUILD) || defined(PD_BUILD)
5782                         mht_init();
5783 #else
5784                         if (Player->on_bastion) {
5785                                 main_hall_init(1);
5786                         } else {
5787                                 main_hall_init(0);
5788                         }
5789 #endif
5790                         break;
5791
5792                 case GS_STATE_BRIEFING:
5793                         main_hall_stop_music();
5794                         main_hall_stop_ambient();
5795                         
5796                         if (Game_mode & GM_NORMAL) {
5797                                 // AL: Don't call freespace_start_mission() if re-entering from ship or weapon select
5798                                 // MWA: or from options or hotkey screens
5799                                 // JH: or if the command brief state already did this
5800                                 if ( (old_state != GS_STATE_OPTIONS_MENU) && (old_state != GS_STATE_HOTKEY_SCREEN)
5801                                         && (old_state != GS_STATE_SHIP_SELECT) && (old_state != GS_STATE_WEAPON_SELECT)
5802                                         && (old_state != GS_STATE_CMD_BRIEF) ) {
5803                                         if ( !game_start_mission() )                    // this should put us into a new state on failure!
5804                                                 break;
5805                                 }
5806                         }
5807                         // maybe play a movie before the briefing.  don't play if entering briefing screen from ship or weapon select.
5808                         if ( (old_state == GS_STATE_DEBRIEF) || (old_state == GS_STATE_SIMULATOR_ROOM) || (old_state == GS_STATE_MAIN_MENU))
5809                                 mission_campaign_maybe_play_movie(CAMPAIGN_MOVIE_PRE_MISSION);
5810
5811                         Game_time_compression = F1_0;
5812
5813                         if ( red_alert_mission() ) {
5814                                 gameseq_post_event(GS_EVENT_RED_ALERT);
5815                         } else {
5816                                 brief_init();
5817                         }
5818
5819                         break;
5820
5821                 case GS_STATE_DEBRIEF:
5822                         game_stop_looped_sounds();
5823                         mission_goal_fail_incomplete();                         // fail all incomplete goals before entering debriefing
5824                         if ( (old_state != GS_STATE_VIEW_MEDALS) && (old_state != GS_STATE_OPTIONS_MENU) ){
5825                                 debrief_init();
5826                         }
5827                         break;
5828
5829                 case GS_STATE_MULTI_DOGFIGHT_DEBRIEF:
5830                         multi_df_debrief_init();
5831                         break;
5832
5833                 case GS_STATE_LOAD_MISSION_MENU:
5834                         break;
5835
5836                 case GS_STATE_SIMULATOR_ROOM:
5837                         sim_room_init();
5838                         break;
5839
5840                 case GS_STATE_CAMPAIGN_ROOM:
5841                         campaign_room_init();
5842                         break;
5843
5844                 case GS_STATE_RED_ALERT:
5845                         mission_campaign_maybe_play_movie(CAMPAIGN_MOVIE_PRE_MISSION);
5846                         red_alert_init();
5847                         break;
5848
5849                 case GS_STATE_CMD_BRIEF: {
5850                         int team_num = 0;  // team number used as index for which cmd brief to use.
5851
5852                         if (old_state == GS_STATE_OPTIONS_MENU) {
5853                                 cmd_brief_unhold();
5854
5855                         } else {
5856                                 main_hall_stop_music();
5857                                 main_hall_stop_ambient();
5858
5859                                 if (Game_mode & GM_NORMAL) {
5860                                         // AL: Don't call freespace_start_mission() if re-entering from ship or weapon select
5861                                         // MWA: or from options or hotkey screens
5862                                         // JH: or if the command brief state already did this
5863                                         if ( (old_state != GS_STATE_OPTIONS_MENU) && (old_state != GS_STATE_HOTKEY_SCREEN)
5864                                                 && (old_state != GS_STATE_SHIP_SELECT) && (old_state != GS_STATE_WEAPON_SELECT) ) {
5865                                                 if ( !game_start_mission() )                    // this should put us into a new state on failure!
5866                                                         break;
5867                                         }
5868                                 }
5869
5870                                 // maybe play a movie before the briefing.  don't play if entering briefing screen from ship or weapon select.
5871                                 if ( (old_state == GS_STATE_DEBRIEF) || (old_state == GS_STATE_SIMULATOR_ROOM) || (old_state == GS_STATE_MAIN_MENU))
5872                                         mission_campaign_maybe_play_movie(CAMPAIGN_MOVIE_PRE_MISSION);
5873
5874                                 cmd_brief_init(team_num);
5875                         }
5876
5877                         break;
5878                 }
5879
5880                 case GS_STATE_SHIP_SELECT:
5881                         ship_select_init();
5882                         break;
5883
5884                 case GS_STATE_WEAPON_SELECT:
5885                         weapon_select_init();
5886                         break;
5887
5888                 case GS_STATE_TEAM_SELECT:              
5889                         multi_ts_init();
5890                         break;
5891
5892                 case GS_STATE_GAME_PAUSED:
5893                         game_stop_time();
5894                         pause_init(0);
5895                         break;
5896
5897                 case GS_STATE_DEBUG_PAUSED:
5898         //              game_stop_time();
5899         //              os_set_title("FreeSpace - PAUSED");
5900         //              break;
5901         //
5902                 case GS_STATE_TRAINING_PAUSED:
5903                         #ifndef NDEBUG
5904                                 game_stop_time();
5905                                 pause_debug_init();
5906                         #endif
5907                         break;
5908
5909                 case GS_STATE_OPTIONS_MENU:
5910                         //game_stop_time();
5911                         options_menu_init();
5912                         break;
5913  
5914                 case GS_STATE_GAME_PLAY:
5915                         // coming from the gameplay state or the main menu, we might need to load the mission
5916                         if ( (Game_mode & GM_NORMAL) && ((old_state == GS_STATE_MAIN_MENU) || (old_state == GS_STATE_GAME_PLAY) || (old_state == GS_STATE_DEATH_BLEW_UP)) ) {
5917                                 if ( !game_start_mission() )            // this should put us into a new state.
5918                                         // Failed!!!
5919                                         break;
5920                         }
5921
5922                         // if we are coming from the briefing, ship select, weapons loadout, or main menu (in the
5923                         // case of quick start), then do bitmap loads, etc  Don't do any of the loading stuff
5924                         // if we are in multiplayer -- this stuff is all handled in the multi-wait section
5925                         if ( !(Game_mode & GM_MULTIPLAYER) && ((old_state == GS_STATE_BRIEFING) || (old_state == GS_STATE_SHIP_SELECT) ||
5926                                 (old_state == GS_STATE_WEAPON_SELECT) || (old_state == GS_STATE_MAIN_MENU) || (old_state == GS_STATE_MULTI_STD_WAIT)    || (old_state == GS_STATE_SIMULATOR_ROOM)) ) {
5927                                         // JAS: Used to do all paging here.
5928
5929                                         #ifndef NDEBUG
5930                                         //XSTR:OFF
5931                                                 HUD_printf("Skill level is set to ** %s **", Skill_level_names(Game_skill_level));
5932                                         //XSTR:ON
5933                                         #endif
5934
5935                                         main_hall_stop_music();
5936                                         main_hall_stop_ambient();
5937                                         event_music_first_pattern();    // start the first pattern
5938                         }
5939
5940                         // special code that restores player ship selection and weapons loadout when doing a quick start
5941                         if ( !(Game_mode & GM_MULTIPLAYER) && ((old_state == GS_STATE_MAIN_MENU) || (old_state == GS_STATE_DEATH_BLEW_UP)  || (old_state == GS_STATE_GAME_PLAY)) ) {
5942                                 if ( !SDL_strcasecmp(Player_loadout.filename, Game_current_mission_filename) ) {
5943                                         wss_direct_restore_loadout();
5944                                 }
5945                         }
5946
5947                         // single-player, quick-start after just died... we need to set weapon linking and kick off the event music
5948                         if (!(Game_mode & GM_MULTIPLAYER) && (old_state == GS_STATE_DEATH_BLEW_UP) ) {
5949                                 event_music_first_pattern();    // start the first pattern
5950                         }
5951
5952                         if ( !(Game_mode & GM_STANDALONE_SERVER) && (old_state != GS_STATE_GAME_PAUSED) && (old_state != GS_STATE_MULTI_PAUSED) ) {
5953                                 event_music_first_pattern();    // start the first pattern
5954                         }                       
5955                         player_restore_target_and_weapon_link_prefs();
5956
5957                         Game_mode |= GM_IN_MISSION;
5958
5959 #ifndef NDEBUG
5960                         // required to truely make mouse deltas zeroed in debug mouse code
5961                         if (!Is_standalone) {
5962                                 mouse_force_pos(gr_screen.max_w / 2, gr_screen.max_h / 2);
5963                         }
5964 #endif
5965
5966                         game_flush();
5967
5968                         // only start time if in single player, or coming from multi wait state
5969                         if (
5970                                         (
5971                                                 (Game_mode & GM_NORMAL) && 
5972                                                 (old_state != GS_STATE_VIEW_CUTSCENES)
5973                                         ) || (
5974                                                 (Game_mode & GM_MULTIPLAYER) && (
5975                                                         (old_state == GS_STATE_MULTI_PAUSED) ||
5976                                                         (old_state == GS_STATE_MULTI_MISSION_SYNC)
5977                                                 )
5978                                         )
5979                                 )
5980                                         game_start_time();
5981
5982                         // when coming from the multi paused state, reset the timestamps
5983                         if ( (Game_mode & GM_MULTIPLAYER) && (old_state == GS_STATE_MULTI_PAUSED) ){
5984                                 multi_reset_timestamps();
5985                         }
5986
5987                         if ((Game_mode & GM_MULTIPLAYER) && (old_state != GS_STATE_DEATH_BLEW_UP) ) {
5988                                 // initialize all object update details
5989                                 multi_oo_gameplay_init();
5990                         }
5991         
5992                         // under certain circumstances, the server should reset the object update rate limiting stuff
5993                         if( ((Game_mode & GM_MULTIPLAYER) && (Net_player->flags & NETINFO_FLAG_AM_MASTER)) &&
5994                                  ((old_state == GS_STATE_MULTI_PAUSED) || (old_state == GS_STATE_MULTI_MISSION_SYNC)) ){
5995                                 
5996                                 // reinitialize the rate limiting system for all clients
5997                                 multi_oo_rate_init_all();
5998                         }
5999
6000                         // multiplayer clients should always re-initialize their control info rate limiting system                      
6001                         if((Game_mode & GM_MULTIPLAYER) && !(Net_player->flags & NETINFO_FLAG_AM_MASTER)){
6002                                 multi_oo_rate_init_all();
6003                         }
6004                         
6005                         // reset ping times
6006                         if(Game_mode & GM_MULTIPLAYER){
6007                                 multi_ping_reset_players();
6008                         }
6009
6010                         Game_subspace_effect = 0;
6011                         if (The_mission.flags & MISSION_FLAG_SUBSPACE) {
6012                                 Game_subspace_effect = 1;
6013                                 if( !(Game_mode & GM_STANDALONE_SERVER) ){      
6014                                         game_start_subspace_ambient_sound();
6015                                 }
6016                         }
6017
6018                         sound_env_set(&Game_sound_env);
6019                         joy_ff_mission_init(Ship_info[Player_ship->ship_info_index].rotation_time);
6020
6021                         // clear multiplayer button info                        i
6022                         extern button_info Multi_ship_status_bi;
6023                         memset(&Multi_ship_status_bi, 0, sizeof(button_info));
6024                         break;
6025
6026                 case GS_STATE_HUD_CONFIG:
6027                         hud_config_init();
6028                         break;
6029
6030                 case GS_STATE_MULTI_JOIN_GAME:
6031                         multi_join_clear_game_list();
6032
6033                         if (old_state != GS_STATE_OPTIONS_MENU) {
6034                                 multi_join_game_init();
6035                         }
6036
6037                         break;
6038
6039                 case GS_STATE_MULTI_HOST_SETUP:         
6040                         // don't reinitialize if we're coming back from the host options screen
6041                         if ((old_state != GS_STATE_MULTI_HOST_OPTIONS) && (old_state != GS_STATE_OPTIONS_MENU)) {
6042                                 multi_create_game_init();
6043                         }
6044
6045                         break;
6046
6047                 case GS_STATE_MULTI_CLIENT_SETUP:               
6048                         if (old_state != GS_STATE_OPTIONS_MENU) {
6049                                 multi_game_client_setup_init();
6050                         }
6051
6052                         break;
6053
6054                 case GS_STATE_CONTROL_CONFIG:
6055                         control_config_init();
6056                         break;
6057
6058                 case GS_STATE_TECH_MENU:
6059                         techroom_init();
6060                         break;
6061
6062                 case GS_STATE_BARRACKS_MENU:
6063                         if(old_state != GS_STATE_VIEW_MEDALS){
6064                                 barracks_init();
6065                         }
6066                         break;
6067
6068                 case GS_STATE_MISSION_LOG_SCROLLBACK:
6069                         hud_scrollback_init();
6070                         break;
6071
6072                 case GS_STATE_DEATH_DIED:
6073                         Player_died_time = timestamp(10);
6074
6075                         if(!(Game_mode & GM_MULTIPLAYER)){
6076                                 player_show_death_message();
6077                         }
6078                         Game_mode |= GM_DEAD_DIED;
6079                         break;
6080
6081                 case GS_STATE_DEATH_BLEW_UP:
6082                         if ( !popupdead_is_active() ) {
6083                                 Player_ai->target_objnum = -1;
6084                         }
6085
6086                         // stop any local EMP effect
6087                         emp_stop_local();
6088
6089                         Players[Player_num].flags &= ~PLAYER_FLAGS_AUTO_TARGETING;      //      Prevent immediate switch to a hostile ship.
6090                         Game_mode |= GM_DEAD_BLEW_UP;           
6091                         Show_viewing_from_self = 0;
6092
6093                         // timestamp how long we should wait before displaying the died popup
6094                         if ( !popupdead_is_active() ) {
6095                                 Player_died_popup_wait = timestamp(PLAYER_DIED_POPUP_WAIT);
6096                         }
6097                         break;
6098
6099                 case GS_STATE_GAMEPLAY_HELP:
6100                         gameplay_help_init();
6101                         break;
6102
6103                 case GS_STATE_CREDITS:
6104                         main_hall_stop_music();
6105                         main_hall_stop_ambient();
6106                         credits_init();
6107                         break;
6108
6109                 case GS_STATE_VIEW_MEDALS:
6110                         medal_main_init(Player);
6111                         break;
6112
6113                 case GS_STATE_SHOW_GOALS:
6114                         mission_show_goals_init();
6115                         break;
6116
6117                 case GS_STATE_HOTKEY_SCREEN:
6118                         mission_hotkey_init();
6119                         break;
6120
6121                 case GS_STATE_MULTI_MISSION_SYNC:
6122                         // if we're coming from the options screen, don't do any
6123                         if(old_state == GS_STATE_OPTIONS_MENU){
6124                                 break;
6125                         }
6126
6127                         switch(Multi_sync_mode){
6128                         case MULTI_SYNC_PRE_BRIEFING:
6129                                 // if moving from game forming to the team select state                                         
6130                                 multi_sync_init();                      
6131                                 break;
6132                         case MULTI_SYNC_POST_BRIEFING:
6133                                 // if moving from briefing into the mission itself                      
6134                                 multi_sync_init();
6135                         
6136                                 // tell everyone that we're now loading data
6137                                 Net_player->state = NETPLAYER_STATE_DATA_LOAD;
6138                                 send_netplayer_update_packet();
6139
6140                                 // JAS: Used to do all paging here!!!!
6141                                                                 
6142                                 Net_player->state = NETPLAYER_STATE_WAITING;                    
6143                                 send_netplayer_update_packet();                         
6144                                 Missiontime = 0;
6145                                 Game_time_compression = F1_0;
6146                                 break;
6147                         case MULTI_SYNC_INGAME:
6148                                 multi_sync_init();
6149                                 break;
6150                         }
6151                         break;          
6152    
6153                 case GS_STATE_VIEW_CUTSCENES:
6154                         cutscenes_screen_init();
6155                         break;
6156
6157                 case GS_STATE_MULTI_STD_WAIT:
6158                         multi_standalone_wait_init();
6159                         break;
6160
6161                 case GS_STATE_STANDALONE_MAIN:
6162                         // don't initialize if we're coming from one of these 2 states unless there are no 
6163                         // players left (reset situation)
6164                         if((old_state != GS_STATE_STANDALONE_POSTGAME) || multi_endgame_ending()){
6165                                 standalone_main_init();
6166                         }
6167                         break;  
6168
6169                 case GS_STATE_MULTI_PAUSED:
6170                         pause_init(1);
6171                         break;
6172                 
6173                 case GS_STATE_INGAME_PRE_JOIN:
6174                         multi_ingame_select_init();
6175                         break;
6176
6177                 case GS_STATE_STANDALONE_POSTGAME:
6178                         multi_standalone_postgame_init();
6179                         break;
6180
6181                 case GS_STATE_INITIAL_PLAYER_SELECT:
6182                         player_select_init();
6183                         break;          
6184
6185                 case GS_STATE_MULTI_START_GAME:
6186                         multi_start_game_init();
6187                         break;
6188
6189                 case GS_STATE_MULTI_HOST_OPTIONS:
6190                         multi_host_options_init();
6191                         break;          
6192
6193                 case GS_STATE_END_OF_CAMPAIGN:
6194                         mission_campaign_end_init();
6195                         break;          
6196
6197                 case GS_STATE_LOOP_BRIEF:
6198                         loop_brief_init();
6199                         break;
6200
6201                 case GS_STATE_PXO:
6202                         if (old_state != GS_STATE_PXO_HELP) {
6203                                 STUB_FUNCTION;
6204                                 // TODO: use_last_channel?
6205
6206                                 multi_pxo_init(0);
6207                         }
6208                         break;
6209
6210                 case GS_STATE_PXO_HELP:
6211                         multi_pxo_help_init();
6212                         break;
6213
6214                 case GS_STATE_DEMO_UPSELL:
6215 #if defined(FS2_DEMO) || defined(FS1_DEMO)
6216                         demo_upsell_init(old_state == GS_STATE_END_DEMO);
6217 #endif
6218                         break;
6219
6220         } // end switch
6221 }
6222
6223 // do stuff that may need to be done regardless of state
6224 void game_do_state_common(int state,int no_networking)
6225 {
6226         game_maybe_draw_mouse(flFrametime);             // determine if to draw the mouse this frame
6227         snd_do_frame();                                                         // update sound system
6228         event_music_do_frame();                                         // music needs to play across many states
6229
6230         multi_log_process();    
6231
6232         // bail if state is invalid
6233         if (state == 0) {
6234                 Game_do_state_should_skip = 1;
6235                 return;
6236         }
6237
6238         if (no_networking) {
6239                 return;
6240         }
6241
6242         // maybe do a multiplayer frame based on game mode and state type       
6243         if (Game_mode & GM_MULTIPLAYER) {
6244                 switch (state) {
6245                         case GS_STATE_OPTIONS_MENU:
6246                         case GS_STATE_GAMEPLAY_HELP:
6247                         case GS_STATE_HOTKEY_SCREEN:
6248                         case GS_STATE_HUD_CONFIG:
6249                         case GS_STATE_CONTROL_CONFIG:
6250                         case GS_STATE_MISSION_LOG_SCROLLBACK:
6251                         case GS_STATE_SHOW_GOALS:
6252                         case GS_STATE_VIEW_CUTSCENES:
6253                         case GS_STATE_EVENT_DEBUG:
6254                                 multi_maybe_do_frame();
6255                                 break;
6256                 }
6257                 
6258                 game_do_networking();
6259         }
6260 }
6261
6262 // Called once a frame.
6263 // You should never try to change the state
6264 // in here... if you think you need to, you probably really
6265 // need to post an event, not change the state.
6266 int Game_do_state_should_skip = 0;
6267 void game_do_state(int state)
6268 {
6269         // always lets the do_state_common() function determine if the state should be skipped
6270         Game_do_state_should_skip = 0;
6271         
6272         // legal to set the should skip state anywhere in this function
6273         game_do_state_common(state);    // do stuff that may need to be done regardless of state
6274
6275         if(Game_do_state_should_skip){
6276                 return;
6277         }
6278         
6279         switch (state) {
6280                 case GS_STATE_MAIN_MENU:
6281                         game_set_frametime(GS_STATE_MAIN_MENU);
6282 #if defined(PRESS_TOUR_BUILD) || defined(PD_BUILD)
6283                         mht_do();
6284 #else
6285                         main_hall_do(flFrametime);
6286 #endif
6287                         break;
6288
6289                 case GS_STATE_OPTIONS_MENU:
6290                         game_set_frametime(GS_STATE_OPTIONS_MENU);
6291                         options_menu_do_frame(flFrametime);
6292                         break;
6293
6294                 case GS_STATE_BARRACKS_MENU:
6295                         game_set_frametime(GS_STATE_BARRACKS_MENU);
6296                         barracks_do_frame(flFrametime);
6297                         break;
6298
6299                 case GS_STATE_TRAINING_MENU:
6300                         game_set_frametime(GS_STATE_TRAINING_MENU);
6301                         training_menu_do_frame(flFrametime);
6302                         break;
6303
6304                 case GS_STATE_TECH_MENU:
6305                         game_set_frametime(GS_STATE_TECH_MENU);
6306                         techroom_do_frame(flFrametime);
6307                         break;
6308
6309                 case GS_STATE_GAMEPLAY_HELP:
6310                         game_set_frametime(GS_STATE_GAMEPLAY_HELP);
6311                         gameplay_help_do_frame(flFrametime);
6312                         break;
6313
6314                 case GS_STATE_GAME_PLAY:        // do stuff that should be done during gameplay
6315                         game_do_frame();
6316                         break;
6317
6318                 case GS_STATE_GAME_PAUSED:
6319                         pause_do(0);
6320                         break;
6321
6322                 case GS_STATE_DEBUG_PAUSED:
6323                         #ifndef NDEBUG
6324                                 game_set_frametime(GS_STATE_DEBUG_PAUSED);
6325                                 pause_debug_do();
6326                         #endif
6327                         break;
6328
6329                 case GS_STATE_TRAINING_PAUSED:
6330                         game_training_pause_do();
6331                         break;
6332
6333                 case GS_STATE_LOAD_MISSION_MENU:
6334                         Int3();
6335                         break;
6336                 
6337                 case GS_STATE_BRIEFING:
6338                         game_set_frametime(GS_STATE_BRIEFING);
6339                         brief_do_frame(flFrametime);
6340                         break;
6341
6342                 case GS_STATE_DEBRIEF:
6343                         game_set_frametime(GS_STATE_DEBRIEF);
6344                         debrief_do_frame(flFrametime);
6345                         break;
6346
6347                 case GS_STATE_MULTI_DOGFIGHT_DEBRIEF:
6348                         game_set_frametime(GS_STATE_MULTI_DOGFIGHT_DEBRIEF);
6349                         multi_df_debrief_do();
6350                         break;
6351
6352                 case GS_STATE_SHIP_SELECT:
6353                         game_set_frametime(GS_STATE_SHIP_SELECT);
6354                         ship_select_do(flFrametime);
6355                         break;
6356
6357                 case GS_STATE_WEAPON_SELECT:
6358                         game_set_frametime(GS_STATE_WEAPON_SELECT);
6359                         weapon_select_do(flFrametime);
6360                         break;
6361
6362                 case GS_STATE_MISSION_LOG_SCROLLBACK:
6363                         game_set_frametime(GS_STATE_MISSION_LOG_SCROLLBACK);
6364                         hud_scrollback_do_frame(flFrametime);
6365                         break;
6366
6367                 case GS_STATE_HUD_CONFIG:
6368                         game_set_frametime(GS_STATE_HUD_CONFIG);
6369                         hud_config_do_frame(flFrametime);
6370                         break;
6371
6372                 case GS_STATE_MULTI_JOIN_GAME:
6373                         game_set_frametime(GS_STATE_MULTI_JOIN_GAME);
6374                         multi_join_game_do_frame();
6375                         break;
6376
6377                 case GS_STATE_MULTI_HOST_SETUP:
6378                         game_set_frametime(GS_STATE_MULTI_HOST_SETUP);
6379                         multi_create_game_do();
6380                         break;
6381
6382                 case GS_STATE_MULTI_CLIENT_SETUP:
6383                         game_set_frametime(GS_STATE_MULTI_CLIENT_SETUP);
6384                         multi_game_client_setup_do_frame();
6385                         break;
6386
6387                 case GS_STATE_CONTROL_CONFIG:
6388                         game_set_frametime(GS_STATE_CONTROL_CONFIG);
6389                         control_config_do_frame(flFrametime);
6390                         break;  
6391
6392                 case GS_STATE_DEATH_DIED:
6393                         game_do_frame();                        
6394                         break;
6395
6396                 case GS_STATE_DEATH_BLEW_UP:
6397                         game_do_frame();
6398                         break;
6399
6400                 case GS_STATE_SIMULATOR_ROOM:
6401                         game_set_frametime(GS_STATE_SIMULATOR_ROOM);
6402                         sim_room_do_frame(flFrametime);
6403                         break;
6404
6405                 case GS_STATE_CAMPAIGN_ROOM:
6406                         game_set_frametime(GS_STATE_CAMPAIGN_ROOM);
6407                         campaign_room_do_frame(flFrametime);
6408                         break;
6409
6410                 case GS_STATE_RED_ALERT:
6411                         game_set_frametime(GS_STATE_RED_ALERT);
6412                         red_alert_do_frame(flFrametime);
6413                         break;
6414
6415                 case GS_STATE_CMD_BRIEF:
6416                         game_set_frametime(GS_STATE_CMD_BRIEF);
6417                         cmd_brief_do_frame(flFrametime);
6418                         break;
6419
6420                 case GS_STATE_CREDITS:
6421                         game_set_frametime(GS_STATE_CREDITS);
6422                         credits_do_frame(flFrametime);
6423                         break;
6424
6425                 case GS_STATE_VIEW_MEDALS:
6426                         game_set_frametime(GS_STATE_VIEW_MEDALS);
6427                         medal_main_do();
6428                         break;
6429
6430                 case GS_STATE_SHOW_GOALS:
6431                         game_set_frametime(GS_STATE_SHOW_GOALS);
6432                         mission_show_goals_do_frame(flFrametime);
6433                         break;
6434
6435                 case GS_STATE_HOTKEY_SCREEN:
6436                         game_set_frametime(GS_STATE_HOTKEY_SCREEN);
6437                         mission_hotkey_do_frame(flFrametime);
6438                         break;  
6439    
6440                 case GS_STATE_VIEW_CUTSCENES:
6441                         game_set_frametime(GS_STATE_VIEW_CUTSCENES);
6442                         cutscenes_screen_do_frame();
6443                         break;
6444
6445                 case GS_STATE_MULTI_STD_WAIT:
6446                         game_set_frametime(GS_STATE_STANDALONE_MAIN);
6447                         multi_standalone_wait_do();
6448                         break;
6449
6450                 case GS_STATE_STANDALONE_MAIN:
6451                         game_set_frametime(GS_STATE_STANDALONE_MAIN);
6452                         standalone_main_do();
6453                         break;  
6454
6455                 case GS_STATE_MULTI_PAUSED:
6456                         game_set_frametime(GS_STATE_MULTI_PAUSED);
6457                         pause_do(1);
6458                         break;
6459
6460                 case GS_STATE_TEAM_SELECT:
6461                         game_set_frametime(GS_STATE_TEAM_SELECT);
6462                         multi_ts_do();
6463                         break;
6464
6465                 case GS_STATE_INGAME_PRE_JOIN:
6466                         game_set_frametime(GS_STATE_INGAME_PRE_JOIN);
6467                         multi_ingame_select_do();
6468                         break;
6469
6470                 case GS_STATE_EVENT_DEBUG:
6471         #ifndef NDEBUG
6472                         game_set_frametime(GS_STATE_EVENT_DEBUG);
6473                         game_show_event_debug(flFrametime);
6474         #endif
6475                         break;
6476
6477                 case GS_STATE_STANDALONE_POSTGAME:
6478                         game_set_frametime(GS_STATE_STANDALONE_POSTGAME);
6479                         multi_standalone_postgame_do();
6480                         break;
6481
6482                 case GS_STATE_INITIAL_PLAYER_SELECT:
6483                         game_set_frametime(GS_STATE_INITIAL_PLAYER_SELECT);
6484                         player_select_do();
6485                         break;
6486
6487                 case GS_STATE_MULTI_MISSION_SYNC:
6488                         game_set_frametime(GS_STATE_MULTI_MISSION_SYNC);
6489                         multi_sync_do();
6490                         break;          
6491
6492                 case GS_STATE_MULTI_START_GAME:
6493                         game_set_frametime(GS_STATE_MULTI_START_GAME);
6494                         multi_start_game_do();
6495                         break;
6496                 
6497                 case GS_STATE_MULTI_HOST_OPTIONS:
6498                         game_set_frametime(GS_STATE_MULTI_HOST_OPTIONS);
6499                         multi_host_options_do();
6500                         break;          
6501
6502                 case GS_STATE_END_OF_CAMPAIGN:
6503                         mission_campaign_end_do();
6504                         break;          
6505
6506                 case GS_STATE_END_DEMO:
6507                         game_set_frametime(GS_STATE_END_DEMO);
6508                         end_demo_campaign_do();
6509                         break;
6510
6511                 case GS_STATE_LOOP_BRIEF:
6512                         game_set_frametime(GS_STATE_LOOP_BRIEF);
6513                         loop_brief_do();
6514                         break;
6515
6516                 case GS_STATE_PXO:
6517                         game_set_frametime(GS_STATE_PXO);
6518                         multi_pxo_do();
6519                         break;
6520
6521                 case GS_STATE_PXO_HELP:
6522                         game_set_frametime(GS_STATE_PXO_HELP);
6523                         multi_pxo_help_do();
6524                         break;
6525
6526                 case GS_STATE_DEMO_UPSELL:
6527 #if defined(FS2_DEMO) || defined(FS1_DEMO)
6528                         game_set_frametime(GS_STATE_DEMO_UPSELL);
6529                         demo_upsell_do();
6530 #endif
6531                         break;
6532
6533    } // end switch(gs_current_state)
6534 }
6535
6536
6537 // return 0 if there is enough RAM to run FreeSpace, otherwise return -1
6538 int game_do_ram_check(int ram_in_mbytes)
6539 {
6540         if ( ram_in_mbytes < 30 ) {
6541                 int allowed_to_run = 1;
6542                 if ( ram_in_mbytes < 25 ) {
6543                         allowed_to_run = 0;
6544                 }
6545
6546                 char tmp[1024];
6547
6548                 if ( allowed_to_run ) {
6549                         SDL_MessageBoxData mboxd;
6550                         SDL_MessageBoxButtonData mboxbuttons[2];
6551                         int msgbox_rval;
6552
6553                         // not a translated string, but it's too long and smartdrv isn't
6554                         // really a thing for any OS we now support :p
6555                 //      sprintf( tmp, XSTR( "FreeSpace has detected that you only have %dMB of free memory.\n\nFreeSpace requires at least 32MB of memory to run.  If you think you have more than %dMB of physical memory, ensure that you aren't running SmartDrive (SMARTDRV.EXE).  Any memory allocated to SmartDrive is not usable by applications\n\nPress 'OK' to continue running with less than the minimum required memory\n", 193), ram_in_mbytes, ram_in_mbytes);
6556                         SDL_snprintf( tmp, SDL_arraysize(tmp), "FreeSpace has detected that you only have %dMB of free memory.\n\nFreeSpace requires at least 32MB of memory to run.\n\nPress 'OK' to continue running with less than the minimum required memory.\n", ram_in_mbytes);
6557
6558                         mboxbuttons[0].buttonid = 0;
6559                         mboxbuttons[0].text = XSTR("Ok", 503);
6560                         mboxbuttons[0].flags = 0;
6561
6562                         mboxbuttons[1].buttonid = 1;
6563                         mboxbuttons[1].text = XSTR("Cancel", 504);
6564                         mboxbuttons[0].flags = SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT | SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT;
6565
6566                         mboxd.flags = SDL_MESSAGEBOX_ERROR;
6567                         mboxd.title = XSTR( "Not Enough RAM", 194);
6568                         mboxd.message = tmp;
6569                         mboxd.numbuttons = 2;
6570                         mboxd.buttons = mboxbuttons;
6571                         mboxd.window = NULL;
6572                         mboxd.colorScheme = NULL;
6573
6574                         SDL_ShowMessageBox(&mboxd, &msgbox_rval);
6575
6576                         if ( msgbox_rval == 1 ) {
6577                                 return -1;
6578                         }
6579                 } else {
6580                         // not a translated string, but it's too long and smartdrv isn't
6581                         // really a thing for any OS we now support :p
6582                 //      sprintf( tmp, XSTR( "FreeSpace has detected that you only have %dMB of free memory.\n\nFreeSpace requires at least 32MB of memory to run.  If you think you have more than %dMB of physical memory, ensure that you aren't running SmartDrive (SMARTDRV.EXE).  Any memory allocated to SmartDrive is not usable by applications\n", 195), ram_in_mbytes, ram_in_mbytes);
6583                         SDL_snprintf( tmp, SDL_arraysize(tmp), "FreeSpace has detected that you only have %dMB of free memory.\n\nFreeSpace requires at least 32MB of memory to run.\n", ram_in_mbytes);
6584
6585                         SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, XSTR( "Not Enough RAM", 194), tmp, NULL);
6586
6587                         return -1;
6588                 }
6589         }
6590
6591         return 0;
6592 }
6593
6594 // Check if there is a freespace.exe in the /update directory (relative to where fs.exe is installed).
6595 // If so, copy it over and remove the update directory.
6596 void game_maybe_update_launcher(char *exe_dir)
6597 {
6598         STUB_FUNCTION;
6599 }
6600
6601 void game_spew_pof_info_sub(int model_num, polymodel *pm, int sm, CFILE *out, int *out_total, int *out_destroyed_total)
6602 {
6603         int i;
6604         int sub_total = 0;
6605         int sub_total_destroyed = 0;
6606         int total = 0;
6607         char str[255] = "";             
6608         
6609         // get the total for all his children
6610         for (i=pm->submodel[sm].first_child; i>-1; i = pm->submodel[i].next_sibling )   {
6611                 game_spew_pof_info_sub(model_num, pm, i, out, &sub_total, &sub_total_destroyed);
6612         }       
6613
6614         // find the # of faces for this _individual_ object     
6615         total = submodel_get_num_polys(model_num, sm);
6616         if(strstr(pm->submodel[sm].name, "-destroyed")){
6617                 sub_total_destroyed = total;
6618         }
6619         
6620         // write out total
6621         SDL_snprintf(str, SDL_arraysize(str), "Submodel %s total : %d faces\n", pm->submodel[sm].name, total);
6622         cfputs(str, out);               
6623
6624         *out_total += total + sub_total;
6625         *out_destroyed_total += sub_total_destroyed;
6626 }
6627
6628 #define BAIL()                  do { int x; for(x=0; x<num_files; x++){ if(pof_list[x] != NULL){free(pof_list[x]); pof_list[x] = NULL;}} return;} while(0);
6629 void game_spew_pof_info()
6630 {
6631         char *pof_list[1000];
6632         int num_files;  
6633         CFILE *out;
6634         int idx, model_num, i, j;
6635         polymodel *pm;
6636         int total, root_total, model_total, destroyed_total, counted;
6637         char str[255] = "";
6638
6639         // get file list
6640         num_files = cf_get_file_list(1000, pof_list, CF_TYPE_MODELS, "*.pof");
6641
6642         // spew info on all the pofs
6643         if(!num_files){
6644                 return;
6645         }
6646
6647         // go
6648         out = cfopen("pofspew.txt", "wt", CFILE_NORMAL, CF_TYPE_DATA);
6649         if(out == NULL){
6650                 BAIL();
6651         }       
6652         counted = 0;    
6653         for(idx=0; idx<num_files; idx++, counted++){
6654                 SDL_snprintf(str, SDL_arraysize(str), "%s.pof", pof_list[idx]);
6655                 model_num = model_load(str, 0, NULL);
6656                 if(model_num >= 0){
6657                         pm = model_get(model_num);
6658
6659                         // if we have a real model
6660                         if(pm != NULL){                         
6661                                 cfputs(str, out);
6662                                 cfputs("\n", out);
6663                                 
6664                                 // go through and print all raw submodels
6665                                 cfputs("RAW\n", out);
6666                                 total = 0;
6667                                 model_total = 0;                                
6668                                 for (i=0; i<pm->n_models; i++)  {                                       
6669                                         total = submodel_get_num_polys(model_num, i);                                   
6670                                         
6671                                         model_total += total;
6672                                         SDL_snprintf(str, SDL_arraysize(str), "Submodel %s total : %d faces\n", pm->submodel[i].name, total);
6673                                         cfputs(str, out);
6674                                 }                               
6675                                 SDL_snprintf(str, SDL_arraysize(str), "Model total %d\n", model_total);
6676                                 cfputs(str, out);                               
6677
6678                                 // now go through and do it by LOD
6679                                 cfputs("BY LOD\n\n", out);                              
6680                                 for(i=0; i<pm->n_detail_levels; i++){
6681                                         SDL_snprintf(str, SDL_arraysize(str), "LOD %d\n", i);
6682                                         cfputs(str, out);
6683
6684                                         // submodels
6685                                         root_total = submodel_get_num_polys(model_num, pm->detail[i] );
6686                                         total = 0;
6687                                         destroyed_total = 0;
6688                                         for (j=pm->submodel[pm->detail[i]].first_child; j>-1; j = pm->submodel[j].next_sibling )        {
6689                                                 game_spew_pof_info_sub(model_num, pm, j, out, &total, &destroyed_total);
6690                                         }
6691
6692                                         SDL_snprintf(str, SDL_arraysize(str), "Submodel %s total : %d faces\n", pm->submodel[pm->detail[i]].name, root_total);
6693                                         cfputs(str, out);
6694
6695                                         SDL_snprintf(str, SDL_arraysize(str), "TOTAL: %d\n", total + root_total);
6696                                         cfputs(str, out);
6697                                         SDL_snprintf(str, SDL_arraysize(str), "TOTAL not counting destroyed faces %d\n", (total + root_total) - destroyed_total);
6698                                         cfputs(str, out);
6699                                         SDL_snprintf(str, SDL_arraysize(str), "TOTAL destroyed faces %d\n\n", destroyed_total);
6700                                         cfputs(str, out);
6701                                 }                               
6702                                 cfputs("------------------------------------------------------------------------\n\n", out);                            
6703                         }
6704                 }
6705
6706                 if(counted >= MAX_POLYGON_MODELS - 5){
6707                         model_free_all();
6708                         counted = 0;
6709                 }
6710         }
6711
6712         cfclose(out);
6713         model_free_all();
6714         BAIL();
6715 }
6716
6717 DCF(pofspew, "")
6718 {
6719         game_spew_pof_info();
6720 }
6721
6722 static bool game_loop()
6723 {
6724         if ( popup_active() ) {
6725                 popup_do_frame();
6726                 return true;
6727         }
6728
6729         os_poll();
6730
6731         if (gameseq_process_events() == GS_STATE_QUIT_GAME) {
6732                 return false;
6733         }
6734
6735         return true;
6736 }
6737
6738 #ifdef __EMSCRIPTEN__
6739 extern "C"
6740 void game_loop_caller()
6741 {
6742         // keep looping through until the persistent storage has sync'd
6743         if (emscripten_run_script_int("Module.sync_in_progress") == 1) {
6744                 return;
6745         }
6746
6747         if ( !game_loop() ) {
6748                 emscripten_cancel_main_loop();
6749                 game_shutdown();
6750         }
6751 }
6752 #endif
6753
6754 extern "C"
6755 int game_main(const char *szCmdLine)
6756 {
6757         // Find out how much RAM is on this machine
6758 #ifdef __EMSCRIPTEN__
6759         Freespace_total_ram = EM_ASM_INT(return TOTAL_MEMORY) / (1024 * 1024);
6760 #else
6761         Freespace_total_ram = SDL_GetSystemRAM();
6762 #endif
6763
6764         if ( game_do_ram_check(Freespace_total_ram) == -1 ) {
6765                 return 1;
6766         }
6767
6768         if (!vm_init(24*1024*1024)) {
6769                 SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, XSTR( "Not Enough Memory", 199), XSTR( "Not enough memory to run Freespace.\r\nTry closing down some other applications.\r\n", 198), NULL);
6770                 return 1;
6771         }
6772
6773         char *tmp_mem = (char *) malloc(16 * 1024 * 1024);
6774         if (!tmp_mem) {
6775                 SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, XSTR( "Not Enough Memory", 199), XSTR( "Not enough memory to run Freespace.\r\nTry closing down some other applications.\r\n", 198), NULL);
6776                 return 1;
6777         }
6778
6779         free(tmp_mem);
6780         tmp_mem = NULL;
6781
6782         #ifndef NDEBUG                          
6783         {
6784                 extern void windebug_memwatch_init();
6785                 windebug_memwatch_init();
6786         }
6787         #endif
6788
6789 #ifndef NDEBUG
6790         outwnd_init(1);
6791 #endif
6792
6793         mprintf(("Platform: %s\n", SDL_GetPlatform()));
6794         mprintf(("CPU: %d %s\n", SDL_GetCPUCount(), (SDL_GetCPUCount() == 1) ? "core" : "cores"));
6795         mprintf(("Memory: %dMB\n", Freespace_total_ram));
6796         mprintf(("Build: %d-bit, %s-endian\n", sizeof(void*) * 8, (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big"));
6797
6798 #ifdef GIT_INFO
6799         mprintf(("Build ID: %s~%s:%s", GIT_COMMIT_DATE, GIT_BRANCH, GIT_COMMIT_HASH));
6800 #ifdef GIT_TAG
6801         mprintf((" (%s)", GIT_TAG));
6802 #endif
6803         mprintf(("\n"));
6804 #endif
6805
6806         parse_cmdline(szCmdLine);
6807
6808         mprintf(("--------------------------------------------------------------------------------\n"));
6809
6810 #ifdef STANDALONE_ONLY_BUILD
6811         Is_standalone = 1;
6812         nprintf(("Network", "Standalone running"));
6813 #else
6814         if (Is_standalone){
6815                 nprintf(("Network", "Standalone running"));
6816         }
6817 #endif
6818
6819         game_init();
6820         game_stop_time();
6821
6822         // maybe spew pof stuff
6823         if(Cmdline_spew_pof_info){
6824                 game_spew_pof_info();
6825                 game_shutdown();
6826                 return 0;
6827         }
6828
6829         // non-demo, non-standalone, play the intro movie
6830 #ifndef DEMO
6831         if ( !Is_standalone ) {
6832
6833                 // release -- movies always play
6834 #if defined(NDEBUG)
6835
6836                 // in RELEASE_REAL builds make the user stick in CD2 if there are no pilots on disk so that we guarantee he plays the movie
6837                 movie_play( NOX("intro.mve") );
6838
6839                 // debug version, movie will only play with -showmovies
6840 #elif !defined(NDEBUG)
6841
6842                 movie_play( NOX("intro.mve") );
6843 /*
6844 #ifndef NDEBUG
6845                 if ( Cmdline_show_movies )
6846                         movie_play( NOX("intro.mve") );
6847 #endif
6848 */
6849 #endif // NDEBUG
6850         }
6851
6852 #endif // DEMO
6853
6854         if (Is_standalone){
6855                 gameseq_post_event(GS_EVENT_STANDALONE_MAIN);
6856         } else {
6857                 gameseq_post_event(GS_EVENT_GAME_INIT);         // start the game rolling -- check for default pilot, or go to the pilot select screen
6858         }
6859
6860 #ifdef __EMSCRIPTEN__
6861         emscripten_set_main_loop(game_loop_caller, 0, 1);
6862 #else
6863         while ( game_loop() ) { /* nothing */ }
6864 #endif
6865
6866         game_shutdown();
6867         return 0;
6868 }
6869
6870 // launcher the fslauncher program on exit
6871 void game_launch_launcher_on_exit()
6872 {
6873         STUB_FUNCTION;
6874 }
6875
6876
6877 // game_shutdown()
6878 //
6879 // This function is called when FreeSpace terminates normally.  
6880 //
6881 void game_shutdown(void)
6882 {
6883         // don't ever flip a page on the standalone!
6884         if(!(Game_mode & GM_STANDALONE_SERVER)){
6885                 gr_reset_clip();
6886                 gr_clear();
6887                 gr_flip();
6888         }
6889
6890    // if the player has left the "player select" screen and quit the game without actually choosing
6891         // a player, Player will be NULL, in which case we shouldn't write the player file out!
6892         if (!(Game_mode & GM_STANDALONE_SERVER) && (Player!=NULL) && !Is_standalone){
6893                 write_pilot_file();
6894         }
6895
6896         // load up common multiplayer icons
6897         multi_unload_common_icons();
6898         
6899         shockwave_close();                      // release any memory used by shockwave system  
6900         fireball_close();                               // free fireball system
6901         ship_close();                                   // free any memory that was allocated for the ships
6902         weapon_close();                                 // free any memory that was allocated for the weapons
6903         hud_free_scrollback_list();// free space allocated to store hud messages in hud scrollback
6904         unload_animating_pointer();// frees the frames used for the animating mouse pointer
6905         bm_unload_all();                                // free bitmaps
6906         mission_campaign_close();       // close out the campaign stuff
6907         mission_campaign_shutdown();    // get anything that mission_campaign_close can't do
6908         multi_voice_close();                    // close down multiplayer voice (including freeing buffers, etc)
6909         multi_log_close();
6910 #ifdef MULTI_USE_LAG
6911         multi_lag_close();
6912 #endif
6913
6914         // the menu close functions will unload the bitmaps if they were displayed during the game
6915 #if !defined(PRESS_TOUR_BUILD) && !defined(PD_BUILD)
6916         main_hall_close();
6917 #endif
6918         context_help_close();           // close out help system
6919         training_menu_close();
6920         lcl_close();                            // be sure localization is closed out
6921         gr_close();
6922
6923         // free left-over memory from parsed tables
6924         cutscene_tbl_close();
6925         medal_tbl_close();
6926         scoring_tbl_close();
6927         player_tips_close();
6928
6929         extern void joy_close();
6930         joy_close();
6931
6932         audiostream_close();
6933         snd_close();
6934         event_music_close();
6935         psnet_close();
6936         os_cleanup();
6937
6938         // HACKITY HACK HACK
6939         // if this flag is set, we should be firing up the launcher when exiting freespace
6940         extern int Multi_update_fireup_launcher_on_exit;
6941         if(Multi_update_fireup_launcher_on_exit){
6942                 game_launch_launcher_on_exit();
6943         }
6944 }
6945
6946 // game_stop_looped_sounds()
6947 //
6948 // This function will call the appropriate stop looped sound functions for those
6949 // modules which use looping sounds.  It is not enough just to stop a looping sound
6950 // at the DirectSound level, the game is keeping track of looping sounds, and this
6951 // function is used to inform the game that looping sounds are being halted.
6952 //
6953 void game_stop_looped_sounds()
6954 {
6955         hud_stop_looped_locking_sounds();
6956         hud_stop_looped_engine_sounds();
6957         afterburner_stop_sounds();
6958         player_stop_looped_sounds();
6959         obj_snd_stop_all();             // stop all object-linked persistant sounds
6960         game_stop_subspace_ambient_sound();
6961         snd_stop(Radar_static_looping);
6962         Radar_static_looping = -1;
6963         snd_stop(Target_static_looping);
6964         shipfx_stop_engine_wash_sound();
6965         Target_static_looping = -1;
6966 }
6967
6968 //////////////////////////////////////////////////////////////////////////
6969 //
6970 // Code for supporting an animating mouse pointer
6971 //
6972 //
6973 //////////////////////////////////////////////////////////////////////////
6974
6975 typedef struct animating_obj
6976 {
6977         int     first_frame;
6978         int     num_frames;
6979         int     current_frame;
6980         float time;
6981         float elapsed_time;
6982 } animating_obj;
6983
6984 static animating_obj Animating_mouse;
6985
6986 // ----------------------------------------------------------------------------
6987 // init_animating_pointer()
6988 //
6989 // Called by load_animating_pointer() to ensure the Animating_mouse struct
6990 // gets properly initialized
6991 //
6992 void init_animating_pointer()
6993 {
6994         Animating_mouse.first_frame     = -1;
6995         Animating_mouse.num_frames              = 0;
6996         Animating_mouse.current_frame   = -1;
6997         Animating_mouse.time                            = 0.0f;
6998         Animating_mouse.elapsed_time    = 0.0f;
6999 }
7000
7001 // ----------------------------------------------------------------------------
7002 // load_animating_pointer()
7003 //
7004 // Called at game init to load in the frames for the animating mouse pointer
7005 //
7006 // input:       filename        =>      filename of animation file that holds the animation
7007 // 
7008 void load_animating_pointer(const char *filename, int dx, int dy)
7009 {
7010         int                             fps;
7011         animating_obj *am;
7012
7013         init_animating_pointer();
7014
7015         am = &Animating_mouse;
7016         am->first_frame = bm_load_animation(filename, &am->num_frames, &fps);
7017         if ( am->first_frame == -1 ) 
7018                 Error(LOCATION, "Could not load animation %s for the mouse pointer\n", filename);
7019         am->current_frame = 0;
7020         am->time = am->num_frames / i2fl(fps);
7021 }
7022
7023 // ----------------------------------------------------------------------------
7024 // unload_animating_pointer()
7025 //
7026 // Called at game shutdown to free the memory used to store the animation frames
7027 //
7028 void unload_animating_pointer()
7029 {
7030         int                             i;
7031         animating_obj   *am;
7032
7033         am = &Animating_mouse;
7034         for ( i = 0; i < am->num_frames; i++ ) {
7035                 SDL_assert( (am->first_frame+i) >= 0 );
7036                 bm_release(am->first_frame + i);
7037         }
7038
7039         am->first_frame = -1;
7040         am->num_frames          = 0;
7041         am->current_frame = -1;
7042 }
7043
7044 // draw the correct frame of the game mouse... called from game_maybe_draw_mouse()
7045 void game_render_mouse(float frametime)
7046 {
7047         int                             mx, my;
7048         animating_obj   *am;
7049
7050         // if animating cursor exists, play the next frame
7051         am = &Animating_mouse;
7052         if ( am->first_frame != -1 ) {
7053                 mouse_get_pos(&mx, &my);
7054                 am->elapsed_time += frametime;
7055                 am->current_frame = fl2i( ( am->elapsed_time / am->time ) * (am->num_frames-1) );
7056                 if ( am->current_frame >= am->num_frames ) {
7057                         am->current_frame = 0;
7058                         am->elapsed_time = 0.0f;
7059                 }
7060                 gr_set_cursor_bitmap(am->first_frame + am->current_frame);
7061         }
7062 }
7063
7064 // ----------------------------------------------------------------------------
7065 // game_maybe_draw_mouse()
7066 //
7067 // determines whether to draw the mouse pointer at all, and what frame of
7068 // animation to use if the mouse is animating
7069 //
7070 // Sets mouse.cpp globals Mouse_hidden and Mouse_moved based on the state of the game.
7071 //
7072 // input:       frametime => elapsed frame time in seconds since last call
7073 //
7074 void game_maybe_draw_mouse(float frametime)
7075 {
7076         int game_state;
7077
7078         game_state = gameseq_get_state();
7079
7080         switch ( game_state ) {
7081                 case GS_STATE_GAME_PAUSED:
7082                 // case GS_STATE_MULTI_PAUSED:
7083                 case GS_STATE_GAME_PLAY:
7084                 case GS_STATE_DEATH_DIED:
7085                 case GS_STATE_DEATH_BLEW_UP:
7086                         if ( popup_active() || popupdead_is_active() ) {
7087                                 Mouse_hidden = 0;
7088                         } else {
7089                                 Mouse_hidden = 1;       
7090                         }
7091                         break;
7092
7093                 default:
7094                         Mouse_hidden = 0;
7095                         break;
7096         }       // end switch
7097
7098         if ( !Mouse_hidden ) 
7099                 game_render_mouse(frametime);
7100
7101 }
7102
7103 void game_do_training_checks()
7104 {
7105         int i, s;
7106         float d;
7107         waypoint_list *wplp;
7108
7109         if (Training_context & TRAINING_CONTEXT_SPEED) {
7110                 s = (int) Player_obj->phys_info.fspeed;
7111                 if ((s >= Training_context_speed_min) && (s <= Training_context_speed_max)) {
7112                         if (!Training_context_speed_set) {
7113                                 Training_context_speed_set = 1;
7114                                 Training_context_speed_timestamp = timestamp();
7115                         }
7116
7117                 } else
7118                         Training_context_speed_set = 0;
7119         }
7120
7121         if (Training_context & TRAINING_CONTEXT_FLY_PATH) {
7122                 wplp = &Waypoint_lists[Training_context_path];
7123                 if (wplp->count > Training_context_goal_waypoint) {
7124                         i = Training_context_goal_waypoint;
7125                         do {
7126                                 d = vm_vec_dist(&wplp->waypoints[i], &Player_obj->pos);
7127                                 if (d <= Training_context_distance) {
7128                                         Training_context_at_waypoint = i;
7129                                         if (Training_context_goal_waypoint == i) {
7130                                                 Training_context_goal_waypoint++;
7131                                                 snd_play(&Snds[SND_CARGO_REVEAL], 0.0f);
7132                                         }
7133
7134                                         break;
7135                                 }
7136
7137                                 i++;
7138                                 if (i == wplp->count)
7139                                         i = 0;
7140
7141                         } while (i != Training_context_goal_waypoint);
7142                 }
7143         }
7144
7145         if ((Players_target == UNINITIALIZED) || (Player_ai->target_objnum != Players_target) || (Player_ai->targeted_subsys != Players_targeted_subsys)) {
7146                 Players_target = Player_ai->target_objnum;
7147                 Players_targeted_subsys = Player_ai->targeted_subsys;
7148                 Players_target_timestamp = timestamp();
7149         }
7150 }
7151
7152 /////////// Following is for event debug view screen
7153
7154 #ifndef NDEBUG
7155
7156 #define EVENT_DEBUG_MAX 5000
7157 #define EVENT_DEBUG_EVENT 0x8000
7158
7159 int Event_debug_index[EVENT_DEBUG_MAX];
7160 int ED_count;
7161
7162 void game_add_event_debug_index(int n, int indent)
7163 {
7164         if (ED_count < EVENT_DEBUG_MAX)
7165                 Event_debug_index[ED_count++] = n | (indent << 16);
7166 }
7167
7168 void game_add_event_debug_sexp(int n, int indent)
7169 {
7170         if (n < 0)
7171                 return;
7172
7173         if (Sexp_nodes[n].first >= 0) {
7174                 game_add_event_debug_sexp(Sexp_nodes[n].first, indent);
7175                 game_add_event_debug_sexp(Sexp_nodes[n].rest, indent);
7176                 return;
7177         }
7178
7179         game_add_event_debug_index(n, indent);
7180         if (Sexp_nodes[n].subtype == SEXP_ATOM_OPERATOR)
7181                 game_add_event_debug_sexp(Sexp_nodes[n].rest, indent + 1);
7182         else
7183                 game_add_event_debug_sexp(Sexp_nodes[n].rest, indent);
7184 }
7185
7186 void game_event_debug_init()
7187 {
7188         int e;
7189
7190         ED_count = 0;
7191         for (e=0; e<Num_mission_events; e++) {
7192                 game_add_event_debug_index(e | EVENT_DEBUG_EVENT, 0);
7193                 game_add_event_debug_sexp(Mission_events[e].formula, 1);
7194         }
7195 }
7196
7197 void game_show_event_debug(float frametime) 
7198 {
7199         char buf[256];
7200         int i, k, z;
7201         int font_height, font_width;    
7202         int y_index, y_max;
7203         static int scroll_offset = 0;
7204         
7205         k = game_check_key();
7206         if (k)
7207                 switch (k) {
7208                         case SDLK_UP:
7209                         case SDLK_KP_8:
7210                                 scroll_offset--;
7211                                 if (scroll_offset < 0)
7212                                         scroll_offset = 0;
7213                                 break;
7214
7215                         case SDLK_DOWN:
7216                         case SDLK_KP_2:
7217                                 scroll_offset++;
7218                                 break;
7219
7220                         case SDLK_PAGEUP:
7221                                 scroll_offset -= 20;
7222                                 if (scroll_offset < 0)
7223                                         scroll_offset = 0;
7224                                 break;
7225
7226                         case SDLK_PAGEDOWN:
7227                                 scroll_offset += 20;    // not font-independent, hard-coded since I counted the lines!
7228                                 break;
7229
7230                         default:
7231                                 gameseq_post_event(GS_EVENT_PREVIOUS_STATE);
7232                                 key_flush();
7233                                 break;
7234                 } // end switch
7235
7236         gr_clear();
7237         gr_set_color_fast(&Color_bright);
7238         gr_set_font(FONT1);
7239         gr_printf(0x8000, 5, NOX("EVENT DEBUG VIEW"));
7240
7241         gr_set_color_fast(&Color_normal);
7242         gr_set_font(FONT1);
7243         gr_get_string_size(&font_width, &font_height, NOX("test"));
7244         y_max = gr_screen.max_h - font_height - 5;
7245         y_index = 45;
7246
7247         k = scroll_offset;
7248         while (k < ED_count) {
7249                 if (y_index > y_max)
7250                         break;
7251
7252                 z = Event_debug_index[k];
7253                 if (z & EVENT_DEBUG_EVENT) {
7254                         z &= 0x7fff;
7255                         SDL_snprintf(buf, SDL_arraysize(buf), NOX("%s%s (%s) %s%d %d"), (Mission_events[z].flags & MEF_CURRENT) ? NOX("* ") : "",
7256                                 Mission_events[z].name, Mission_events[z].result ? NOX("True") : NOX("False"),
7257                                 (Mission_events[z].chain_delay < 0) ? "" : NOX("x "),
7258                                 Mission_events[z].repeat_count, Mission_events[z].interval);
7259
7260                 } else {
7261                         i = (z >> 16) * 3;
7262                         buf[i] = 0;
7263                         while (i--)
7264                                 buf[i] = ' ';
7265
7266                         SDL_strlcat(buf, Sexp_nodes[z & 0x7fff].text, SDL_arraysize(buf));
7267                         switch (Sexp_nodes[z & 0x7fff].value) {
7268                                 case SEXP_TRUE:
7269                                         SDL_strlcat(buf, NOX(" (True)"), SDL_arraysize(buf));
7270                                         break;
7271
7272                                 case SEXP_FALSE:
7273                                         SDL_strlcat(buf, NOX(" (False)"), SDL_arraysize(buf));
7274                                         break;
7275
7276                                 case SEXP_KNOWN_TRUE:
7277                                         SDL_strlcat(buf, NOX(" (Always true)"), SDL_arraysize(buf));
7278                                         break;
7279
7280                                 case SEXP_KNOWN_FALSE:
7281                                         SDL_strlcat(buf, NOX(" (Always false)"), SDL_arraysize(buf));
7282                                         break;
7283
7284                                 case SEXP_CANT_EVAL:
7285                                         SDL_strlcat(buf, NOX(" (Can't eval)"), SDL_arraysize(buf));
7286                                         break;
7287
7288                                 case SEXP_NAN:
7289                                 case SEXP_NAN_FOREVER:
7290                                         SDL_strlcat(buf, NOX(" (Not a number)"), SDL_arraysize(buf));
7291                                         break;
7292                         }
7293                 }
7294
7295                 gr_printf(10, y_index, buf);
7296                 y_index += font_height;
7297                 k++;
7298         }
7299
7300         gr_flip();
7301 }
7302
7303 #endif // NDEBUG
7304
7305 #ifndef NDEBUG
7306 FILE * Time_fp;
7307 FILE * Texture_fp;
7308
7309 int Tmap_num_too_big = 0;
7310 int Num_models_needing_splitting = 0;
7311
7312 void Time_model( int modelnum )
7313 {
7314 //      mprintf(( "Timing ship '%s'\n", si->name ));
7315
7316         vector eye_pos, model_pos;
7317         matrix eye_orient, model_orient;
7318
7319         polymodel *pm = model_get( modelnum );
7320
7321         int l = strlen(pm->filename);
7322         while( (l>0) )  {
7323                 if ( (l == '/') || (l=='\\') || (l==':'))       {
7324                         l++;
7325                         break;
7326                 }
7327                 l--;
7328         }
7329         char *pof_file = &pm->filename[l];
7330
7331         int model_needs_splitting = 0;
7332
7333         //fprintf( Texture_fp, "Model: %s\n", pof_file );
7334         int i;
7335         for (i=0; i<pm->n_textures; i++ )       {
7336                 char filename[1024];
7337                 ubyte pal[768];
7338
7339                 int bmp_num = pm->original_textures[i];
7340                 if ( bmp_num > -1 )     {
7341                         bm_get_palette(pm->original_textures[i], pal, filename, SDL_arraysize(filename) );
7342                         int w,h;
7343                         bm_get_info( pm->original_textures[i],&w, &h );
7344
7345
7346                         if ( (w > 512) || (h > 512) )   {
7347                                 fprintf( Texture_fp, "%s\t%s\t%d\t%d\n", pof_file, filename, w, h );
7348                                 Tmap_num_too_big++;
7349                                 model_needs_splitting++;
7350                         }
7351                 } else {
7352                         //fprintf( Texture_fp, "\tTexture %d is bogus\n", i );
7353                 }
7354         }
7355
7356         if ( model_needs_splitting )    {
7357                 Num_models_needing_splitting++;
7358         }
7359         eye_orient = model_orient = vmd_identity_matrix;
7360         eye_pos = model_pos = vmd_zero_vector;
7361
7362         eye_pos.xyz.z = -pm->rad*2.0f;
7363
7364         vector eye_to_model;
7365
7366         vm_vec_sub( &eye_to_model, &model_pos, &eye_pos );
7367         vm_vector_2_matrix( &eye_orient, &eye_to_model, NULL, NULL );
7368
7369         fix t1 = timer_get_fixed_seconds();
7370
7371         angles ta;
7372         ta.p = ta.b = ta.h = 0.0f; 
7373         int framecount = 0;
7374
7375         int bitmaps_used_this_frame, bitmaps_new_this_frame;
7376                 
7377         bm_get_frame_usage(&bitmaps_used_this_frame,&bitmaps_new_this_frame);
7378
7379         modelstats_num_polys = modelstats_num_verts = 0;
7380
7381         while( ta.h < PI2 )     {
7382
7383                 matrix m1;
7384                 vm_angles_2_matrix(&m1, &ta );
7385                 vm_matrix_x_matrix( &model_orient, &vmd_identity_matrix, &m1 );
7386
7387                 gr_reset_clip();
7388 //              gr_clear();
7389
7390                 g3_start_frame(1);
7391
7392                 g3_set_view_matrix( &eye_pos, &eye_orient, Viewer_zoom );       
7393
7394                 model_clear_instance( modelnum );
7395                 model_set_detail_level(0);              // use highest detail level
7396                 model_render( modelnum, &model_orient, &model_pos, MR_LOCK_DETAIL);     //|MR_NO_POLYS );
7397
7398                 g3_end_frame();
7399 //              gr_flip();
7400
7401                 framecount++;
7402                 ta.h += 0.1f;
7403
7404                 int k = key_inkey();
7405                 if ( k == SDLK_ESCAPE ) {
7406                         exit(1);
7407                 }
7408         }
7409
7410         fix t2 = timer_get_fixed_seconds();
7411
7412         if (framecount < 1) {
7413                 return;
7414         }
7415
7416         bm_get_frame_usage(&bitmaps_used_this_frame,&bitmaps_new_this_frame);
7417         //bitmaps_used_this_frame /= framecount;
7418
7419         modelstats_num_polys /= framecount;
7420         modelstats_num_verts /= framecount;
7421
7422         mprintf(( "'%s' is %.2f FPS\n", pof_file, i2fl(framecount)/f2fl(t2-t1) ));
7423         fprintf( Time_fp, "\"%s\"\t%.0f\t%d\t%d\t%d\n", pof_file, i2fl(framecount)/f2fl(t2-t1), bitmaps_used_this_frame, modelstats_num_polys, modelstats_num_verts );
7424
7425 //      fprintf( Time_fp, "%.0f\t%d\t%d\t%d\n", i2fl(framecount)/f2fl(t2-t1), bitmaps_used_this_frame, modelstats_num_polys, modelstats_num_verts );
7426
7427                 
7428 //      key_getch();
7429 }
7430
7431 int Time_models = 0;
7432 DCF_BOOL( time_models, Time_models );
7433
7434 void Do_model_timings_test()
7435 {
7436         
7437
7438         if ( !Time_models ) return;
7439
7440         mprintf(( "Timing models!\n" ));
7441
7442         int i;
7443
7444         ubyte model_used[MAX_POLYGON_MODELS];
7445         int model_id[MAX_POLYGON_MODELS];
7446         for (i=0; i<MAX_POLYGON_MODELS; i++ )   {
7447                 model_used[i] = 0;
7448         }
7449         
7450         // Load them all
7451         for (i=0; i<Num_ship_types; i++ )       {
7452                 Ship_info[i].modelnum = model_load( Ship_info[i].pof_file, 0, NULL );
7453
7454                 model_used[Ship_info[i].modelnum%MAX_POLYGON_MODELS]++;
7455                 model_id[Ship_info[i].modelnum%MAX_POLYGON_MODELS] = Ship_info[i].modelnum;
7456         }
7457
7458         Texture_fp = fopen( NOX("ShipTextures.txt"), "wt" );
7459         if ( !Texture_fp ) return;
7460
7461         Time_fp = fopen( NOX("ShipTimings.txt"), "wt" );
7462         if ( !Time_fp ) return;
7463
7464         fprintf( Time_fp, "Name\tFPS\tTRAM\tPolys\tVerts\tPixels\n" );
7465 //      fprintf( Time_fp, "FPS\tTRAM\tPolys\tVerts\tPixels\n" );
7466         
7467         for (i=0; i<MAX_POLYGON_MODELS; i++ )   {
7468                 if ( model_used[i] )    {
7469                         Time_model( model_id[i] );
7470                 }
7471         }
7472         
7473         fprintf( Texture_fp, "Number too big: %d\n", Tmap_num_too_big );
7474         fprintf( Texture_fp, "Number of models needing splitting: %d\n", Num_models_needing_splitting );
7475         
7476         fclose(Time_fp);
7477         fclose(Texture_fp);
7478
7479         exit(1);
7480 }
7481 #endif
7482
7483 // Call this function when you want to inform the player that a feature is not
7484 // enabled in the DEMO version of FreSpace
7485 void game_feature_not_in_demo_popup()
7486 {
7487         popup(PF_USE_AFFIRMATIVE_ICON|PF_BODY_BIG, 1, POPUP_OK, XSTR( "Sorry, this feature is available only in the retail version", 200));
7488 }
7489
7490 // format the specified time (fixed point) into a nice string
7491 void game_format_time(fix m_time, char *time_str, const int time_str_len)
7492 {
7493         float mtime;
7494         int hours,minutes,seconds;
7495
7496         mtime = f2fl(m_time);           
7497
7498         // get the hours, minutes and seconds   
7499         hours = (int)(mtime / 3600.0f);
7500         if(hours > 0){
7501                 mtime -= (3600.0f * (float)hours);
7502         }
7503         seconds = (int)mtime%60;
7504         minutes = (int)mtime/60;                        
7505
7506         if (hours > 0) {
7507                 SDL_snprintf(time_str, time_str_len, "%d:%02d:%02d", hours, minutes, seconds);
7508         } else {
7509                 SDL_snprintf(time_str, time_str_len, "%d:%02d", minutes, seconds);
7510         }
7511 }
7512
7513 //      Stuff version string in *str.
7514 void get_version_string(char *str, const int str_len)
7515 {
7516 //XSTR:OFF
7517 #ifdef FS1_DEMO
7518         SDL_snprintf(str, str_len, "Dv%d.%02d", FS_VERSION_MAJOR, FS_VERSION_MINOR);
7519 #if !defined(NDEBUG) && defined(GIT_INFO)
7520         SDL_strlcat(str, "~" GIT_COMMIT_HASH, str_len);
7521 #endif
7522         return;
7523 #endif
7524
7525         if ( FS_VERSION_BUILD == 0 ) {
7526                 SDL_snprintf(str, str_len, "v%d.%02d", FS_VERSION_MAJOR, FS_VERSION_MINOR);
7527         } else {
7528                 SDL_snprintf(str, str_len, "v%d.%02d.%02d", FS_VERSION_MAJOR, FS_VERSION_MINOR, FS_VERSION_BUILD );
7529         }
7530
7531 #if !defined(NDEBUG) && defined(GIT_INFO)
7532         SDL_strlcat(str, "~" GIT_COMMIT_HASH, str_len);
7533 #endif
7534
7535 #if defined (FS2_DEMO)
7536         SDL_strlcat(str, " D", str_len);
7537 #elif defined (OEM_BUILD)
7538         SDL_strlcat(str, " (OEM)", str_len);
7539 #endif
7540 //XSTR:ON
7541         /*
7542         HMODULE hMod;
7543         DWORD bogus_handle;
7544         char myname[_MAX_PATH];
7545         int namelen, major, minor, build, waste;
7546         unsigned int buf_size;
7547         DWORD version_size;
7548         char *infop;
7549         VOID *bufp;
7550         BOOL result;
7551
7552         // Find my EXE file name
7553         hMod = GetModuleHandle(NULL);
7554         namelen = GetModuleFileName( hMod, myname, _MAX_PATH );
7555
7556         version_size = GetFileVersionInfoSize(myname, &bogus_handle );
7557         infop = (char *)malloc(version_size);
7558         result = GetFileVersionInfo( myname, 0, version_size, (LPVOID)infop );
7559
7560         // get the product version
7561         result = VerQueryValue((LPVOID)infop, TEXT("\\StringFileInfo\\040904b0\\ProductVersion"), &bufp, &buf_size );
7562         sscanf( (char *)bufp, "%d, %d, %d, %d", &major, &minor, &build, &waste );
7563 #ifdef DEMO
7564         sprintf(str,"Dv%d.%02d",major, minor);
7565 #else
7566         sprintf(str,"v%d.%02d",major, minor);
7567 #endif
7568         */
7569 }
7570
7571 void get_version_string_short(char *str, const int str_len)
7572 {
7573         SDL_snprintf(str, str_len, "v%d.%02d", FS_VERSION_MAJOR, FS_VERSION_MINOR);
7574 }
7575
7576 // ----------------------------------------------------------------
7577 //
7578 // OEM UPSELL SCREENS BEGIN
7579 //
7580 // ----------------------------------------------------------------
7581 #if defined(OEM_BUILD)
7582
7583 #define NUM_OEM_UPSELL_SCREENS                          3
7584 #define OEM_UPSELL_SCREEN_DELAY                         10000
7585
7586 static int Oem_upsell_bitmaps_loaded = 0;
7587 static int Oem_upsell_bitmaps[GR_NUM_RESOLUTIONS][NUM_OEM_UPSELL_SCREENS];
7588 static int Oem_upsell_screen_number = 0;
7589 static int Oem_upsell_show_next_bitmap_time;
7590
7591 //XSTR:OFF
7592 static char *Oem_upsell_bitmap_filenames[GR_NUM_RESOLUTIONS][NUM_OEM_UPSELL_SCREENS] = 
7593 {
7594         {       "OEMUpSell02",
7595                 "OEMUpSell01",
7596                 "OEMUpSell03",
7597         },
7598         {       "2_OEMUpSell02",
7599                 "2_OEMUpSell01",
7600                 "2_OEMUpSell03",
7601         },
7602 };
7603 //XSTR:ON
7604
7605 static int Oem_normal_cursor = -1;
7606 static int Oem_web_cursor = -1;
7607 //#define OEM_UPSELL_URL                "http://www.interplay-store.com/"
7608 #define OEM_UPSELL_URL          "http://www.interplay.com/cgi-bin/oemlinks.pl/pid=483421&cid=18384"
7609
7610 void oem_upsell_next_screen()
7611 {
7612         Oem_upsell_screen_number++;
7613         if ( Oem_upsell_screen_number == (NUM_OEM_UPSELL_SCREENS-1) ) {
7614                 // extra long delay, mouse shown on last upsell
7615                 Oem_upsell_show_next_bitmap_time = timer_get_milliseconds() + OEM_UPSELL_SCREEN_DELAY*2;
7616                 Mouse_hidden = 0;
7617
7618         } else {
7619                 Oem_upsell_show_next_bitmap_time = timer_get_milliseconds() + OEM_UPSELL_SCREEN_DELAY;
7620         }
7621 }
7622
7623 void oem_upsell_load_bitmaps()
7624 {
7625         int i;
7626
7627         for ( i = 0; i < NUM_OEM_UPSELL_SCREENS; i++ ) {
7628                 Oem_upsell_bitmaps[gr_screen.res][i] = bm_load(Oem_upsell_bitmap_filenames[gr_screen.res][i]);
7629         }
7630 }
7631
7632 void oem_upsell_unload_bitmaps()
7633 {
7634         int i;
7635
7636         for ( i = 0; i < NUM_OEM_UPSELL_SCREENS; i++ ) {
7637                 if(Oem_upsell_bitmaps[gr_screen.res][i] >= 0){
7638                         bm_unload(Oem_upsell_bitmaps[gr_screen.res][i]);
7639                 }
7640         }
7641
7642         // unloaded
7643         Oem_upsell_bitmaps_loaded = 0;
7644 }
7645
7646 // clickable hotspot on 3rd OEM upsell screen
7647 static int Oem_upsell3_button_coords[GR_NUM_RESOLUTIONS][4] = {
7648         {       // GR_640
7649                 28, 350, 287, 96                                        // x, y, w, h
7650         },
7651         {       // GR_1024
7652                 45, 561, 460, 152                                       // x, y, w, h
7653         }
7654 };
7655
7656 void oem_upsell_show_screens()
7657 {
7658         int current_time, k;
7659         int done = 0;
7660
7661         if ( !Oem_upsell_bitmaps_loaded ) {
7662                 oem_upsell_load_bitmaps();
7663                 Oem_upsell_bitmaps_loaded = 1;
7664         }
7665
7666         // may use upsell screens more than once
7667         Oem_upsell_show_next_bitmap_time = timer_get_milliseconds() + OEM_UPSELL_SCREEN_DELAY;
7668         Oem_upsell_screen_number = 0;
7669         
7670         key_flush();
7671         Mouse_hidden = 1;
7672
7673         // set up cursors
7674         int nframes;                                            // used to pass, not really needed (should be 1)
7675         Oem_normal_cursor = gr_get_cursor_bitmap();
7676         Oem_web_cursor = bm_load_animation("cursorweb", &nframes);
7677         SDL_assert(Oem_web_cursor >= 0);
7678         if (Oem_web_cursor < 0) {
7679                 Oem_web_cursor = Oem_normal_cursor;
7680         }
7681
7682         while(!done) {
7683
7684                 //oem_reset_trailer_timer();
7685
7686                 current_time = timer_get_milliseconds();
7687
7688                 os_poll();
7689                 k = key_inkey();
7690
7691                 // advance screen on keypress or timeout
7692                 if (( k > 0 ) || (mouse_up_count(MOUSE_LEFT_BUTTON) > 0) || (current_time > Oem_upsell_show_next_bitmap_time)) {
7693                         oem_upsell_next_screen();
7694                 }
7695
7696                 // check if we are done
7697                 if ( Oem_upsell_screen_number >= NUM_OEM_UPSELL_SCREENS ) {
7698                         Oem_upsell_screen_number--;
7699                         done = 1;
7700                 } else {
7701                         if ( Oem_upsell_bitmaps[gr_screen.res][Oem_upsell_screen_number] < 0 ) {
7702                                 done = 1;
7703                         }
7704                 }
7705
7706                 // show me the upsell
7707                 if ( Oem_upsell_bitmaps[gr_screen.res][Oem_upsell_screen_number] >= 0 ) {               
7708                         gr_set_bitmap(Oem_upsell_bitmaps[gr_screen.res][Oem_upsell_screen_number]);
7709                         gr_bitmap(0,0);
7710                 }
7711
7712                 // if this is the 3rd upsell, make it clickable, d00d
7713                 if ( Oem_upsell_screen_number == NUM_OEM_UPSELL_SCREENS-1 ) {
7714                         int mx, my;
7715                         int button_state = mouse_get_pos(&mx, &my);
7716                         if ( (mx >= Oem_upsell3_button_coords[gr_screen.res][0]) && (mx <= Oem_upsell3_button_coords[gr_screen.res][0] + Oem_upsell3_button_coords[gr_screen.res][2])
7717                                 && (my >= Oem_upsell3_button_coords[gr_screen.res][1]) && (my <= Oem_upsell3_button_coords[gr_screen.res][1] + Oem_upsell3_button_coords[gr_screen.res][3]) )
7718                         {
7719                                 // switch cursors
7720                                 gr_set_cursor_bitmap(Oem_web_cursor); //, GR_CURSOR_LOCK);
7721
7722                                 // check for clicks
7723                                 if (button_state & MOUSE_LEFT_BUTTON) {
7724                                         // launch URL
7725                                         multi_pxo_url(OEM_UPSELL_URL);
7726                                         done = 1;
7727                                 } 
7728                         } else {
7729                                 // switch cursor back to normal one
7730                                 gr_set_cursor_bitmap(Oem_normal_cursor); //, GR_CURSOR_UNLOCK);
7731                         }
7732                 }
7733
7734                 if ( done ) {
7735                         if (gameseq_get_state() != GS_STATE_END_DEMO) {
7736                                 gr_fade_out(0);
7737                                 SDL_Delay(300);
7738                         }
7739                 }
7740
7741                 gr_flip();
7742         }
7743
7744         // unload bitmap
7745         oem_upsell_unload_bitmaps();
7746
7747         // switch cursor back to normal one
7748         gr_set_cursor_bitmap(Oem_normal_cursor); //, GR_CURSOR_UNLOCK);
7749
7750 }
7751
7752 #endif // defined(OEM_BUILD)
7753 // ----------------------------------------------------------------
7754 //
7755 // OEM UPSELL SCREENS END
7756 //
7757 // ----------------------------------------------------------------
7758
7759
7760
7761 // ----------------------------------------------------------------
7762 //
7763 // DEMO UPSELL SCREENS BEGIN
7764 //
7765 // ----------------------------------------------------------------
7766
7767 #if defined(FS2_DEMO) || defined(FS1_DEMO)
7768
7769 #ifdef FS1_DEMO
7770 #define NUM_DEMO_UPSELL_SCREENS                         4
7771 #define DEMO_UPSELL_SCREEN_DELAY                        15000
7772 #else
7773 #define NUM_DEMO_UPSELL_SCREENS                         2
7774 #define DEMO_UPSELL_SCREEN_DELAY                        3000
7775 #endif
7776
7777
7778 static int Demo_upsell_bitmaps_loaded = 0;
7779 static int Demo_upsell_bitmaps[GR_NUM_RESOLUTIONS][NUM_DEMO_UPSELL_SCREENS];
7780 static int Demo_upsell_screen_number = 0;
7781 static int Demo_upsell_show_next_bitmap_time;
7782 static int Demo_upsell_quit_on_done = 0;
7783 static int Demo_upsell_end_timer = 0;
7784
7785 //XSTR:OFF
7786 static const char *Demo_upsell_bitmap_filenames[GR_NUM_RESOLUTIONS][NUM_DEMO_UPSELL_SCREENS] =
7787 {
7788 #ifdef FS1_DEMO
7789         {       "DemoUpsell1",
7790                 "DemoUpsell2",
7791                 "DemoUpsell3",
7792                 "DemoUpsell4"
7793         },
7794         {       "DemoUpsell1",
7795                 "DemoUpsell2",
7796                 "DemoUpsell3",
7797                 "DemoUpsell4"
7798         },
7799 #else
7800         {       "UpSell02",
7801                 "UpSell01",
7802         },
7803         {       "2_UpSell02",
7804                 "2_UpSell01",
7805         },
7806 #endif
7807         // "DemoUpsell3",
7808         // "DemoUpsell4",
7809 };
7810 //XSTR:ON
7811
7812 void demo_upsell_next_screen()
7813 {
7814         Demo_upsell_screen_number++;
7815         if ( Demo_upsell_screen_number == (NUM_DEMO_UPSELL_SCREENS-1) ) {
7816                 Demo_upsell_show_next_bitmap_time = timer_get_milliseconds() + DEMO_UPSELL_SCREEN_DELAY*4;
7817         } else {
7818                 Demo_upsell_show_next_bitmap_time = timer_get_milliseconds() + DEMO_UPSELL_SCREEN_DELAY;
7819         }
7820 }
7821
7822 void demo_upsell_load_bitmaps()
7823 {
7824         int i;
7825
7826         for ( i = 0; i < NUM_DEMO_UPSELL_SCREENS; i++ ) {
7827                 Demo_upsell_bitmaps[gr_screen.res][i] = bm_load(Demo_upsell_bitmap_filenames[gr_screen.res][i]);
7828         }
7829 }
7830
7831 void demo_upsell_unload_bitmaps()
7832 {
7833         int i;
7834
7835         for ( i = 0; i < NUM_DEMO_UPSELL_SCREENS; i++ ) {
7836                 if(Demo_upsell_bitmaps[gr_screen.res][i] >= 0){
7837                         bm_unload(Demo_upsell_bitmaps[gr_screen.res][i]);
7838                 }
7839         }
7840
7841         // unloaded
7842         Demo_upsell_bitmaps_loaded = 0;
7843 }
7844
7845 void demo_upsell_init(int end_of_demo)
7846 {
7847         if ( !Demo_upsell_bitmaps_loaded ) {
7848                 demo_upsell_load_bitmaps();
7849                 Demo_upsell_bitmaps_loaded = 1;
7850         }
7851
7852         Demo_upsell_end_timer = 0;
7853         Demo_upsell_quit_on_done = !end_of_demo;
7854
7855         // may use upsell screens more than once
7856         Demo_upsell_show_next_bitmap_time = timer_get_milliseconds() + DEMO_UPSELL_SCREEN_DELAY;
7857         Demo_upsell_screen_number = 0;
7858
7859         key_flush();
7860         Mouse_hidden = 1;
7861 }
7862
7863 void demo_upsell_close()
7864 {
7865         // unload bitmap
7866         demo_upsell_unload_bitmaps();
7867 }
7868
7869 void demo_upsell_do()
7870 {
7871         int done = 0;
7872
7873         demo_reset_trailer_timer();
7874
7875         os_poll();
7876
7877         if ( !Demo_upsell_end_timer ) {
7878                 int k = key_inkey();
7879
7880 #ifdef FS1_DEMO
7881                 if ( timer_get_milliseconds() > Demo_upsell_show_next_bitmap_time ) {
7882                         demo_upsell_next_screen();
7883                         k = 0;
7884                 }
7885 #endif
7886
7887                 if ( k > 0 ) {
7888                         demo_upsell_next_screen();
7889                 }
7890
7891                 if ( Demo_upsell_screen_number >= NUM_DEMO_UPSELL_SCREENS ) {
7892                         Demo_upsell_screen_number--;
7893                         done = 1;
7894                 } else {
7895                         if ( Demo_upsell_bitmaps[gr_screen.res][Demo_upsell_screen_number] < 0 ) {
7896                                 done = 1;
7897                         }
7898                 }
7899         }
7900
7901         if ( Demo_upsell_bitmaps[gr_screen.res][Demo_upsell_screen_number] >= 0 ) {
7902                 gr_set_bitmap(Demo_upsell_bitmaps[gr_screen.res][Demo_upsell_screen_number]);
7903                 gr_bitmap(0,0);
7904         }
7905
7906         if ( Demo_upsell_end_timer && (timer_get_milliseconds() > Demo_upsell_end_timer) ) {
7907                 gameseq_post_event(GS_EVENT_QUIT_GAME);
7908         } else if (done) {
7909                 if (Demo_upsell_quit_on_done) {
7910                         gr_fade_out(0);
7911                         Demo_upsell_end_timer = timer_get_milliseconds() + 300;
7912                 } else {
7913                         gameseq_post_event(GS_EVENT_MAIN_MENU);
7914                 }
7915         }
7916
7917         gr_flip();
7918 }
7919
7920 #endif // DEMO
7921
7922 // ----------------------------------------------------------------
7923 //
7924 // DEMO UPSELL SCREENS END
7925 //
7926 // ----------------------------------------------------------------
7927
7928
7929 // ----------------------------------------------------------------
7930 //
7931 // Subspace Ambient Sound START
7932 //
7933 // ----------------------------------------------------------------
7934
7935 static int Subspace_ambient_left_channel = -1;
7936 static int Subspace_ambient_right_channel = -1;
7937
7938 // 
7939 void game_start_subspace_ambient_sound()
7940 {
7941         if ( Subspace_ambient_left_channel < 0 ) {
7942                 Subspace_ambient_left_channel = snd_play_looping(&Snds[SND_SUBSPACE_LEFT_CHANNEL], -1.0f);
7943         }
7944
7945         if ( Subspace_ambient_right_channel < 0 ) {
7946                 Subspace_ambient_right_channel = snd_play_looping(&Snds[SND_SUBSPACE_RIGHT_CHANNEL], 1.0f);
7947         }
7948 }
7949
7950 void game_stop_subspace_ambient_sound()
7951 {
7952         if ( Subspace_ambient_left_channel >= 0 ) {
7953                 snd_stop(Subspace_ambient_left_channel);
7954                 Subspace_ambient_left_channel = -1;
7955         }
7956
7957         if ( Subspace_ambient_right_channel >= 0 ) {
7958                 snd_stop(Subspace_ambient_right_channel);
7959                 Subspace_ambient_right_channel = -1;
7960         }
7961 }
7962
7963 // ----------------------------------------------------------------
7964 //
7965 // Subspace Ambient Sound END
7966 //
7967 // ----------------------------------------------------------------
7968
7969 // ----------------------------------------------------------------
7970 //
7971 // Language Autodetection stuff
7972 //
7973
7974 // this layout order must match Lcl_languages in localize.cpp in order for the
7975 // correct language to be detected
7976 int Lang_auto_detect_checksums[LCL_NUM_LANGUAGES] = {
7977 #ifdef MAKE_FS1
7978         1366105450,                             // English
7979 #else
7980         589986744,                              // English
7981 #endif
7982         -1132430286,                    // German
7983         0,                                              // French
7984         -1131728960,                                    // Polish
7985 };
7986
7987 // default setting is "-1" to use config file with English as fall back
7988 // DO NOT change the default setting here or something uncouth might happen
7989 // in the localization code
7990 int detect_lang()
7991 {
7992         uint file_checksum;             
7993         int idx;
7994
7995         // try and open the file to verify
7996         CFILE *detect = cfopen("font01.vf", "rb");
7997         
7998         // will use default setting if something went wrong
7999         if (!detect) {
8000                 return -1;
8001         }       
8002
8003         // get the long checksum of the file
8004         file_checksum = 0;
8005         cfseek(detect, 0, SEEK_SET);    
8006         cf_chksum_long(detect, &file_checksum);
8007         cfclose(detect);
8008         detect = NULL;  
8009
8010         // now compare the checksum/filesize against known #'s
8011         for (idx=0; idx<LCL_NUM_LANGUAGES; idx++) {
8012                 if (Lang_auto_detect_checksums[idx] == (int)file_checksum) {
8013                         return idx;
8014                 }
8015         }
8016
8017         // notify if a match was not found, include detected checksum
8018         printf("ERROR: Unknown Language Checksum: %i\n", (int)file_checksum);
8019         printf("Using default language...\n\n");
8020         
8021         return -1;
8022 }
8023
8024 //
8025 // End Auto Lang stuff
8026 //
8027 // ----------------------------------------------------------------
8028
8029 // ----------------------------------------------------------------
8030 // SHIPS TBL VERIFICATION STUFF
8031 //
8032
8033 // checksums, just keep a list of all valid ones, if it matches any of them, keep it
8034 #if defined(MAKE_FS1) && !defined(FS1_DEMO)
8035         #define NUM_SHIPS_TBL_CHECKSUMS         3
8036 #else
8037         #define NUM_SHIPS_TBL_CHECKSUMS         1
8038 #endif
8039
8040 #if defined(FS2_DEMO)
8041 int Game_ships_tbl_checksums[NUM_SHIPS_TBL_CHECKSUMS] = {
8042         1696074201,                                             // FS2 demo
8043 };
8044 #elif defined(FS1_DEMO)
8045 int Game_ships_tbl_checksums[NUM_SHIPS_TBL_CHECKSUMS] = {
8046         1603375034,                                             // FS1 DEMO
8047 };
8048 #elif defined(MAKE_FS1)
8049 int Game_ships_tbl_checksums[NUM_SHIPS_TBL_CHECKSUMS] = {
8050         -129679197,                                             // FS1 Full 1.06 (US)
8051         7762567,                                                // FS1 SilentThreat
8052         1555372475                                              // FS1 Full 1.06 (German)
8053 };
8054 #else
8055 /*
8056 int Game_ships_tbl_checksums[NUM_SHIPS_TBL_CHECKSUMS] = {
8057         -463907578,                                             // US - beta 1
8058         1696074201,                                             // FS2 demo
8059 };
8060 */
8061 int Game_ships_tbl_checksums[NUM_SHIPS_TBL_CHECKSUMS] = {
8062 //      -1022810006,                                    // 1.0 FULL
8063         -1254285366                                             // 1.2 FULL (German)
8064 };
8065 #endif
8066
8067 void verify_ships_tbl()
8068 {       
8069         /*
8070 #ifdef NDEBUG
8071         Game_ships_tbl_valid = 1;
8072 #else
8073         */
8074         uint file_checksum;             
8075         int idx;
8076
8077         // detect if the packfile exists
8078         CFILE *detect = cfopen("ships.tbl", "rb");
8079         Game_ships_tbl_valid = 0;        
8080         
8081         // not mission-disk
8082         if(!detect){
8083                 Game_ships_tbl_valid = 0;
8084                 return;
8085         }       
8086
8087         // get the long checksum of the file
8088         file_checksum = 0;
8089         cfseek(detect, 0, SEEK_SET);    
8090         cf_chksum_long(detect, &file_checksum);
8091         cfclose(detect);
8092         detect = NULL;  
8093
8094         // now compare the checksum/filesize against known #'s
8095         for(idx=0; idx<NUM_SHIPS_TBL_CHECKSUMS; idx++){
8096                 if(Game_ships_tbl_checksums[idx] == (int)file_checksum){
8097                         Game_ships_tbl_valid = 1;
8098                         return;
8099                 }
8100         }
8101 // #endif
8102 }
8103
8104 DCF(shipspew, "display the checksum for the current ships.tbl")
8105 {
8106         uint file_checksum;
8107         CFILE *detect = cfopen("ships.tbl", "rb");
8108         // get the long checksum of the file
8109         file_checksum = 0;
8110         cfseek(detect, 0, SEEK_SET);    
8111         cf_chksum_long(detect, &file_checksum);
8112         cfclose(detect);
8113
8114         dc_printf("%d", file_checksum);
8115 }
8116
8117 // ----------------------------------------------------------------
8118 // WEAPONS TBL VERIFICATION STUFF
8119 //
8120
8121 // checksums, just keep a list of all valid ones, if it matches any of them, keep it
8122 #if defined(MAKE_FS1) && !defined(FS1_DEMO)
8123         #define NUM_WEAPONS_TBL_CHECKSUMS               3
8124 #else
8125         #define NUM_WEAPONS_TBL_CHECKSUMS               1
8126 #endif
8127
8128 #if defined(FS2_DEMO)
8129 int Game_weapons_tbl_checksums[NUM_WEAPONS_TBL_CHECKSUMS] = {
8130         -266420030,                             // demo 1
8131 };
8132 #elif defined(FS1_DEMO)
8133 int Game_weapons_tbl_checksums[NUM_WEAPONS_TBL_CHECKSUMS] = {
8134         -1246928725,                    // FS1 DEMO
8135 };
8136 #elif defined(MAKE_FS1)
8137 int Game_weapons_tbl_checksums[NUM_WEAPONS_TBL_CHECKSUMS] = {
8138         -834598107,                             // FS1 1.06 Full (US)
8139         -1652231417,                    // FS1 SilentThreat
8140         720209793                               // FS1 1.06 Full (German)
8141 };
8142 #else
8143 /*
8144 int Game_weapons_tbl_checksums[NUM_WEAPONS_TBL_CHECKSUMS] = {
8145         141718090,                              // US - beta 1
8146         -266420030,                             // demo 1
8147 };
8148 */
8149 int Game_weapons_tbl_checksums[NUM_WEAPONS_TBL_CHECKSUMS] = {
8150 //      399297860,                              // 1.0 FULL     
8151         -553984927                              // 1.2 FULL (german)
8152 };
8153 #endif
8154
8155 void verify_weapons_tbl()
8156 {       
8157         /*
8158 #ifdef NDEBUG
8159         Game_weapons_tbl_valid = 1;
8160 #else
8161         */
8162         uint file_checksum;
8163         int idx;
8164
8165         // detect if the packfile exists
8166         CFILE *detect = cfopen("weapons.tbl", "rb");
8167         Game_weapons_tbl_valid = 0;      
8168         
8169         // not mission-disk
8170         if(!detect){
8171                 Game_weapons_tbl_valid = 0;
8172                 return;
8173         }       
8174
8175         // get the long checksum of the file
8176         file_checksum = 0;
8177         cfseek(detect, 0, SEEK_SET);    
8178         cf_chksum_long(detect, &file_checksum);
8179         cfclose(detect);
8180         detect = NULL;  
8181
8182         // now compare the checksum/filesize against known #'s
8183         for(idx=0; idx<NUM_WEAPONS_TBL_CHECKSUMS; idx++){
8184                 if(Game_weapons_tbl_checksums[idx] == (int)file_checksum){
8185                         Game_weapons_tbl_valid = 1;
8186                         return;
8187                 }
8188         }
8189 // #endif
8190 }
8191
8192 DCF(wepspew, "display the checksum for the current weapons.tbl")
8193 {
8194         uint file_checksum;
8195         CFILE *detect = cfopen("weapons.tbl", "rb");
8196         // get the long checksum of the file
8197         file_checksum = 0;
8198         cfseek(detect, 0, SEEK_SET);    
8199         cf_chksum_long(detect, &file_checksum);
8200         cfclose(detect);
8201
8202         dc_printf("%d", file_checksum);
8203 }
8204
8205 // if the game is running using hacked data
8206 int game_hacked_data()
8207 {
8208         // hacked!
8209         if(!Game_weapons_tbl_valid || !Game_ships_tbl_valid){
8210                 return 1;
8211         }
8212
8213         // not hacked
8214         return 0;
8215 }
8216
8217 #if defined(FS2_DEMO) || defined(OEM_BUILD)
8218 extern "C"
8219 void display_title_screen()
8220 {
8221         // load bitmap
8222         int title_bitmap = bm_load(Game_demo_title_screen_fname[gr_screen.res]);
8223         if (title_bitmap == -1) {
8224                 return;
8225         }
8226
8227         // set
8228         gr_set_bitmap(title_bitmap);
8229
8230         // draw
8231         gr_bitmap(0, 0);
8232
8233         // flip
8234         gr_flip();
8235
8236         // give it some time on screen
8237 #ifdef __EMSCRIPTEN__
8238         //emscripten_sleep(1000);
8239 #else
8240         SDL_Delay(1000);
8241 #endif
8242
8243         bm_unload(title_bitmap);
8244 }
8245 #endif  // FS2_DEMO || OEM_BUILD
8246
8247 // return true if the game is running with "low memory", which is less than 48MB
8248 bool game_using_low_mem()
8249 {
8250         if (Use_low_mem == 0) {
8251                 return false;
8252         } else {
8253                 return true;
8254         }
8255 }