shareware stuff, formatting
[btb/d2x.git] / main / inferno.c
1 /* $Id: inferno.c,v 1.37 2002-08-04 23:24:34 btb Exp $ */
2 /*
3 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
4 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
5 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
6 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
7 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
8 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
9 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
10 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
11 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.  
12 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
13 */
14
15 /*
16  *
17  * FIXME: put description here
18  *
19  *
20  */
21
22 #ifdef HAVE_CONFIG_H
23 #include <conf.h>
24 #endif
25
26 char copyright[] = "DESCENT II  COPYRIGHT (C) 1994-1996 PARALLAX SOFTWARE CORPORATION";
27
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include <limits.h>
32
33 #ifdef __unix__
34 #include <unistd.h>
35 #include <sys/stat.h>
36 #include <sys/types.h>
37 #endif
38
39 #include "pstypes.h"
40 #include "strutil.h"
41 #include "console.h"
42 #include "pa_enabl.h"       //$$POLY_ACC
43 #include "gr.h"
44 #include "fix.h"
45 #include "vecmat.h"
46 #include "mono.h"
47 #include "key.h"
48 #include "timer.h"
49 #include "3d.h"
50 #include "bm.h"
51 #include "inferno.h"
52 #include "error.h"
53 #include "game.h"
54 #include "segment.h"            //for Side_to_verts
55 #include "u_mem.h"
56 #include "segpoint.h"
57 #include "screens.h"
58 #include "texmap.h"
59 #include "texmerge.h"
60 #include "menu.h"
61 #include "wall.h"
62 #include "polyobj.h"
63 #include "effects.h"
64 #include "digi.h"
65 #include "iff.h"
66 #include "pcx.h"
67 #include "palette.h"
68 #include "args.h"
69 #include "sounds.h"
70 #include "titles.h"
71 #include "player.h"
72 #include "text.h"
73 #include "ipx.h"
74 #include "newdemo.h"
75 #ifdef NETWORK
76 #include "network.h"
77 #endif
78 #include "modem.h"
79 #include "gamefont.h"
80 #include "kconfig.h"
81 #include "mouse.h"
82 #include "joy.h"
83 #include "newmenu.h"
84 #include "desc_id.h"
85 #include "config.h"
86 #include "joydefs.h"
87 #include "multi.h"
88 #include "songs.h"
89 #include "cfile.h"
90 #include "gameseq.h"
91 #include "gamepal.h"
92 #include "mission.h"
93 #include "movie.h"
94 #include "compbit.h"
95 #include "d_io.h"
96
97 // #  include "3dfx_des.h"
98
99 //added on 9/30/98 by Matt Mueller for selectable automap modes
100 #include "automap.h"
101 //end addition -MM
102
103 #include "../texmap/scanline.h" //for select_tmap -MM
104
105 #if defined(POLY_ACC)
106 #include "poly_acc.h"
107 extern int Current_display_mode;        //$$ there's got to be a better way than hacking this.
108 #endif
109
110 #ifdef EDITOR
111 #include "editor/editor.h"
112 #include "editor/kdefs.h"
113 #include "ui.h"
114 #endif
115
116 #ifdef SDL_INPUT
117 #include <SDL/SDL.h>
118 #endif
119
120 #include "vers_id.h"
121
122 void mem_init(void);
123 void arch_init(void);
124 void arch_init_start(void);
125
126 //Current version number
127
128 ubyte Version_major = 1;                //FULL VERSION
129 ubyte Version_minor = 2;
130
131 static const char desc_id_checksum_str[] = DESC_ID_CHKSUM_TAG "0000";   //4-byte checksum
132 char desc_id_exit_num = 0;
133
134 int Function_mode=FMODE_MENU;           //game or editor?
135 int Screen_mode=-1;                                     //game screen or editor screen?
136
137 //--unused-- grs_bitmap Inferno_bitmap_title;
138
139 int WVIDEO_running=0;           //debugger can set to 1 if running
140
141 #ifdef EDITOR
142 int Inferno_is_800x600_available = 0;
143 #endif
144
145 //--unused-- int Cyberman_installed=0;                  // SWIFT device present
146 ubyte CybermouseActive=0;
147
148 int __far descent_critical_error_handler( unsigned deverr, unsigned errcode, unsigned __far * devhdr );
149
150 void check_joystick_calibration(void);
151
152
153 //--------------------------------------------------------------------------
154
155 extern int piggy_low_memory;
156
157
158 int descent_critical_error = 0;
159 unsigned descent_critical_deverror = 0;
160 unsigned descent_critical_errcode = 0;
161
162 extern int Network_allow_socket_changes;
163
164 extern void vfx_set_palette_sub(ubyte *);
165
166 extern int VR_low_res;
167
168 extern int Config_vr_type;
169 extern int Config_vr_resolution;
170 extern int Config_vr_tracking;
171 int grd_fades_disabled=1;
172
173 #define LINE_LEN        100
174
175 //read help from a file & print to screen
176 void print_commandline_help()
177 {
178         CFILE *ifile;
179         int have_binary=0;
180         char line[LINE_LEN];
181
182         ifile = cfopen("help.tex","rb");
183         if (!ifile) {
184                 ifile = cfopen("help.txb","rb");
185                 if (!ifile)
186                         Error("Cannot load help text file.");
187                 have_binary = 1;
188         }
189
190         while (cfgets(line,LINE_LEN,ifile)) {
191
192                 if (have_binary) {
193                         int i;
194                         for (i = 0; i < strlen(line) - 1; i++) {
195                                 encode_rotate_left(&(line[i]));
196                                 line[i] = line[i] ^ BITMAP_TBL_XOR;
197                                 encode_rotate_left(&(line[i]));
198                         }
199                 }
200
201                 if (line[0] == ';')
202                         continue;               //don't show comments
203
204                 printf("%s",line);
205
206         }
207
208         cfclose(ifile);
209
210 //      printf( " Diagnostic:\n\n");
211 //      printf( "  -emul           %s\n", "Certain video cards need this option in order to run game");
212 //      printf( "  -ddemul         %s\n", "If -emul doesn't work, use this option");
213 //      printf( "\n");
214 #ifdef EDITOR
215         printf( " Editor Options:\n\n");
216         printf( "  -autoload <file>%s\n", "Autoload a level in the editor");
217         printf( "  -hoarddata      %s\n","FIXME: Undocumented");
218         printf( "  -macdata        %s\n","FIXME: Undocumented");
219 //      printf( "  -nobm           %s\n","FIXME: Undocumented");
220         printf( "\n");
221 #endif
222         printf( " D2X Options:\n\n");
223         printf( "  -noredundancy   %s\n", "Do not send messages when picking up redundant items in multi");
224         printf( "  -shortpackets   %s\n", "Set shortpackets to default as on");
225         printf( "  -notitles       %s\n", "Do not show titlescreens on startup");
226         printf( "  -ini <file>     %s\n", "option file (alternate to command line) defaults to d2x.ini, or d1x.ini");
227         printf( "  -autodemo       %s\n", "Start in demo mode");
228         printf( "  -bigpig         %s\n","FIXME: Undocumented");
229         printf( "  -bspgen         %s\n","FIXME: Undocumented");
230 //      printf( "  -cdproxy        %s\n","FIXME: Undocumented");
231 #ifndef NDEBUG
232         printf( "  -checktime      %s\n","FIXME: Undocumented");
233         printf( "  -showmeminfo    %s\n","FIXME: Undocumented");
234 #endif
235 //      printf( "  -codereadonly   %s\n","FIXME: Undocumented");
236 //      printf( "  -cyberimpact    %s\n","FIXME: Undocumented");
237         printf( "  -debug          %s\n","Enable very verbose output");
238 //      printf( "  -debugmode      %s\n","FIXME: Undocumented");
239 //      printf( "  -disallowgfx    %s\n","FIXME: Undocumented");
240 //      printf( "  -disallowreboot %s\n","FIXME: Undocumented");
241 //      printf( "  -dynamicsockets %s\n","FIXME: Undocumented");
242 //      printf( "  -forcegfx       %s\n","FIXME: Undocumented");
243 #ifdef SDL_INPUT
244         printf( "  -grabmouse      %s\n","Keeps the mouse from wandering out of the window");
245 #endif
246 //      printf( "  -hw_3dacc       %s\n","FIXME: Undocumented");
247 #ifndef RELEASE
248         printf( "  -invulnerability %s\n","Make yourself invulnerable");
249 #endif
250         printf( "  -ipxnetwork <num> %s\n","Use IPX network number <num>");
251         printf( "  -jasen          %s\n","FIXME: Undocumented");
252         printf( "  -joyslow        %s\n","FIXME: Undocumented");
253 //      printf( "  -logfile        %s\n","FIXME: Undocumented");
254 //      printf( "  -lowresmovies   %s\n","FIXME: Undocumented");
255 //      printf( "  -memdbg         %s\n","FIXME: Undocumented");
256 //      printf( "  -monodebug      %s\n","FIXME: Undocumented");
257         printf( "  -nocdrom        %s\n","FIXME: Undocumented");
258 #ifdef __DJGPP__
259         printf( "  -nocyberman     %s\n","FIXME: Undocumented");
260 #endif
261         printf( "  -nofade         %s\n","Disable fades");
262 #ifdef NETWORK
263         printf( "  -nomatrixcheat  %s\n","FIXME: Undocumented");
264         printf( "  -norankings     %s\n","Disable multiplayer ranking system");
265         printf( "  -packets <num>  %s\n","Specifies the number of packets per second\n");
266 //      printf( "  -showaddress    %s\n","FIXME: Undocumented");
267         printf( "  -socket         %s\n","FIXME: Undocumented");
268 #endif
269 #if !defined(MACINTOSH) && !defined(WINDOWS)
270         printf( "  -nomixer        %s\n","Don't crank music volume");
271         printf( "  -superhires     %s\n","Allow higher-resolution modes");
272 #endif
273 //      printf( "  -nomodex        %s\n","FIXME: Undocumented");
274 #ifndef RELEASE
275         printf( "  -nomovies       %s\n","Don't play movies");
276         printf( "  -noscreens      %s\n","Skip briefing screens");
277 #endif
278 #if !defined(SHAREWARE) || ( defined(SHAREWARE) && defined(APPLE_DEMO) )
279         printf( "  -noredbook      %s\n","Disable redbook audio");
280 #endif
281         printf( "  -norun          %s\n","Bail out after initialization");
282 //      printf( "  -ordinaljoy     %s\n","FIXME: Undocumented");
283 //      printf( "  -rtscts         %s\n","Same as -ctsrts");
284 //      printf( "  -semiwin        %s\n","Use non-fullscreen mode");
285 //      printf( "  -specialdevice  %s\n","FIXME: Undocumented");
286 #ifdef TACTILE
287         printf( "  -stickmag       %s\n","FIXME: Undocumented");
288 #endif
289 //      printf( "  -stopwatch      %s\n","FIXME: Undocumented");
290         printf( "  -subtitles      %s\n","Turn on movie subtitles (English-only)");
291 //      printf( "  -sysram         %s\n","FIXME: Undocumented");
292         printf( "  -text <file>    %s\n","Specify alternate .tex file");
293 //      printf( "  -tsengdebug1    %s\n","FIXME: Undocumented");
294 //      printf( "  -tsengdebug2    %s\n","FIXME: Undocumented");
295 //      printf( "  -tsengdebug3    %s\n","FIXME: Undocumented");
296 //      printf( "  -udp            %s\n","FIXME: Undocumented");
297 //      printf( "  -vidram         %s\n","FIXME: Undocumented");
298         printf( "  -xcontrol       %s\n","FIXME: Undocumented");
299         printf( "  -xname          %s\n","FIXME: Undocumented");
300         printf( "  -xver           %s\n","FIXME: Undocumented");
301         printf( "  -tmap <t>       %s\n","select texmapper to use (c,fp,i386,pent,ppro)");
302         printf( "  -automap<X>x<Y> %s\n","Set automap resolution to <X> by <Y>");
303         printf( "  -automap_gameres %s\n","Set automap to use the same resolution as in game");
304 //      printf( "  -menu<X>x<Y>    %s\n","Set menu resolution to <X> by <Y>");
305 //      printf( "  -menu_gameres   %s\n","Set menus to use the same resolution as in game");
306         printf( "\n");
307
308         printf( "D2X System Options:\n\n");
309 #ifdef __MSDOS__
310         printf( "  -joy209         %s\n", "Use alternate port 209 for joystick");
311 #endif
312 #ifdef GR_SUPPORTS_FULLSCREEN_TOGGLE 
313         printf( "  -fullscreen     %s\n", "Use fullscreen mode if available");
314 #endif
315 #ifdef OGL
316         printf( "  -gl_texmagfilt <f> %s\n","set GL_TEXTURE_MAG_FILTER (see readme.d1x)");
317         printf( "  -gl_texminfilt <f> %s\n","set GL_TEXTURE_MIN_FILTER (see readme.d1x)");
318         printf( "  -gl_mipmap      %s\n","set gl texture filters to \"standard\" options for mipmapping");
319         printf( "  -gl_simple      %s\n","set gl texture filters to gl_nearest for \"original\" look. (default)");
320         printf( "  -gl_alttexmerge %s\n","use new texmerge, usually uses less ram (default)");
321         printf( "  -gl_stdtexmerge %s\n","use old texmerge, uses more ram, but _might_ be a bit faster");
322 #ifdef GR_SUPPORTS_FULLSCREEN_TOGGLE 
323         printf( "  -gl_voodoo      %s\n","force fullscreen mode only");
324 #endif
325         printf( "  -gl_16bittextures %s\n","attempt to use 16bit textures");
326         printf( "  -gl_reticle <r> %s\n","use OGL reticle 0=never 1=above 320x* 2=always");
327         printf( "  -gl_intensity4_ok %s\n","FIXME: Undocumented");
328         printf( "  -gl_luminance4_alpha4_ok %s\n","FIXME: Undocumented");
329         printf( "  -gl_readpixels_ok %s\n","FIXME: Undocumented");
330         printf( "  -gl_rgba2_ok    %s\n","FIXME: Undocumented");
331 //      printf( "  -gl_test1       %s\n","FIXME: Undocumented");
332         printf( "  -gl_test2       %s\n","FIXME: Undocumented");
333         printf( "  -gl_vidmem      %s\n","FIXME: Undocumented");
334 #ifdef OGL_RUNTIME_LOAD
335         printf( "  -gl_library <l> %s\n","use alternate opengl library");
336 #endif
337 #endif
338 #ifdef SDL_VIDEO
339         printf( "  -nosdlvidmodecheck %s\n", "Some X servers don't like checking vidmode first, so just switch");
340         printf( "  -hwsurface      %s\n","FIXME: Undocumented");
341 #endif
342 #ifdef __unix__
343         printf( "  -serialdevice <s> %s\n", "Set serial/modem device to <s>");
344         printf( "  -serialread <r> %s\n", "Set serial/modem to read from <r>");
345 #endif
346         printf( "\n Help:\n\n");
347         printf( "  -help, -h, -?, ? %s\n", "View this help screen");
348         printf( "\n");
349 }
350
351 void do_joystick_init()
352 {
353  
354
355         if (!FindArg( "-nojoystick" ))  {
356                 con_printf(CON_VERBOSE, "\n%s", TXT_VERBOSE_6);
357                 joy_init();
358                 if ( FindArg( "-joyslow" ))     {
359                         con_printf(CON_VERBOSE, "\n%s", TXT_VERBOSE_7);
360                         joy_set_slow_reading(JOY_SLOW_READINGS);
361                 }
362                 if ( FindArg( "-joypolled" ))   {
363                         con_printf(CON_VERBOSE, "\n%s", TXT_VERBOSE_8);
364                         joy_set_slow_reading(JOY_POLLED_READINGS);
365                 }
366                 if ( FindArg( "-joybios" ))     {
367                         con_printf(CON_VERBOSE, "\n%s", TXT_VERBOSE_9);
368                         joy_set_slow_reading(JOY_BIOS_READINGS);
369                 }
370
371         //      Added from Descent v1.5 by John.  Adapted by Samir.
372         } else {
373                 con_printf(CON_VERBOSE, "\n%s", TXT_VERBOSE_10);
374         }
375 }
376
377 //set this to force game to run in low res
378 int disable_high_res=0;
379
380 void do_register_player(ubyte *title_pal)
381 {
382         Players[Player_num].callsign[0] = '\0';
383
384         if (!Auto_demo)         {
385
386                 key_flush();
387
388                 //now, before we bring up the register player menu, we need to 
389                 //do some stuff to make sure the palette is ok.  First, we need to
390                 //get our current palette into the 2d's array, so the remapping will
391                 //work.  Second, we need to remap the fonts.  Third, we need to fill 
392                 //in part of the fade tables so the darkening of the menu edges works
393
394                 memcpy(gr_palette,title_pal,sizeof(gr_palette));
395                 remap_fonts_and_menus(1);
396                 RegisterPlayer();               //get player's name
397         }
398
399 }
400
401 #ifdef NETWORK
402 void do_network_init()
403 {
404         if (!FindArg( "-nonetwork" ))   {
405                 int socket=0, t;
406                 int ipx_error;
407
408                 con_printf(CON_VERBOSE, "\n%s ", TXT_INITIALIZING_NETWORK);
409                 if ((t=FindArg("-socket")))
410                         socket = atoi( Args[t+1] );
411                 //@@if ( FindArg("-showaddress") ) showaddress=1;
412                 if ((ipx_error=ipx_init(IPX_DEFAULT_SOCKET+socket))==0) {
413                         con_printf(CON_VERBOSE, "%s %d.\n", TXT_IPX_CHANNEL, socket );
414                         Network_active = 1;
415                 } else {
416                         switch( ipx_error )     {
417                         case 3:         con_printf(CON_VERBOSE, "%s\n", TXT_NO_NETWORK); break;
418                         case -2: con_printf(CON_VERBOSE, "%s 0x%x.\n", TXT_SOCKET_ERROR, IPX_DEFAULT_SOCKET+socket); break;
419                         case -4: con_printf(CON_VERBOSE, "%s\n", TXT_MEMORY_IPX ); break;
420                         default:
421                                 con_printf(CON_VERBOSE, "%s %d", TXT_ERROR_IPX, ipx_error );
422                         }
423                         con_printf(CON_VERBOSE, "%s\n",TXT_NETWORK_DISABLED);
424                         Network_active = 0;             // Assume no network
425                 }
426                 ipx_read_user_file( "descent.usr" );
427                 ipx_read_network_file( "descent.net" );
428                 //@@if ( FindArg( "-dynamicsockets" ))
429                 //@@    Network_allow_socket_changes = 1;
430                 //@@else
431                 //@@    Network_allow_socket_changes = 0;
432         } else {
433                 con_printf(CON_VERBOSE, "%s\n", TXT_NETWORK_DISABLED);
434                 Network_active = 0;             // Assume no network
435         }
436 }
437 #endif
438
439 #define PROGNAME argv[0]
440
441 extern char Language[];
442
443 //can we do highres menus?
444 extern int MenuHiresAvailable;
445
446 #ifdef D2_OEM
447 int intro_played = 0;
448 #endif
449
450 int Inferno_verbose = 0;
451
452 //added on 11/18/98 by Victor Rachels to add -mission and -startgame
453 int start_net_immediately = 0;
454 //int start_with_mission = 0;
455 //char *start_with_mission_name;
456 //end this section addition
457
458 int open_movie_file(char *filename,int must_have);
459
460 #if defined(POLY_ACC)
461 #define MENU_HIRES_MODE SM_640x480x15xPA
462 #else
463 #define MENU_HIRES_MODE SM(640,480)
464 #endif
465
466 //      DESCENT II by Parallax Software
467 //              Descent Main
468
469 //extern ubyte gr_current_pal[];
470
471 #ifdef  EDITOR
472 int     Auto_exit = 0;
473 char    Auto_file[128] = "";
474 #endif
475
476 int main(int argc,char **argv)
477 {
478         int i, t;
479         ubyte title_pal[768];
480         int screen_width = 640;
481         int screen_height = 480;
482         u_int32_t screen_mode = SM(screen_width,screen_height);
483
484         con_init();  // Initialise the console
485         mem_init();
486
487         error_init(NULL, NULL);
488
489 #ifdef __unix__
490         {
491                 char *home = getenv("HOME");
492
493                 if (home) {
494                         char buf[PATH_MAX + 5];
495                         
496                         strcpy(buf, home);
497                         strcat(buf, "/.d2x");
498                         if (chdir(buf)) {
499                                 d_mkdir(buf);
500                                 if (chdir(buf))
501                                         fprintf(stderr, "Cannot change to $HOME/.d2x\n");
502                         }
503                 }
504         }
505 #endif
506
507         InitArgs( argc,argv );
508
509         if (FindArg("-debug"))
510                 con_threshold.value = (float)2;
511         else if (FindArg("-verbose"))
512                 con_threshold.value = (float)1;
513
514         arch_init_start();
515
516         arch_init();
517
518 #ifdef __unix__
519         //tell cfile where hogdir is
520         cfile_use_alternate_hogdir(SHAREPATH);
521 #endif
522
523         //tell cfile about our counter
524         cfile_set_critical_error_counter_ptr(&descent_critical_error);
525
526         if (! cfile_init("descent2.hog"))
527                 if (! cfile_init("d2demo.hog"))
528                         Error("Could not find a valid hog file (descent2.hog or d2demo.hog)");
529         load_text();
530
531         //print out the banner title
532         con_printf(CON_NORMAL, "\nDESCENT 2 %s v%d.%d",VERSION_TYPE,Version_major,Version_minor);
533         con_printf(CON_NORMAL, "  %s %s\n", __DATE__,__TIME__);
534         con_printf(CON_NORMAL, "%s\n%s\n",TXT_COPYRIGHT,TXT_TRADEMARK); 
535         con_printf(CON_NORMAL, "This is a MODIFIED version of Descent 2. Copyright (c) 1999 Peter Hawkins\n");
536         con_printf(CON_NORMAL, "                                         Copyright (c) 2002 Bradley Bell\n");
537
538
539         if (FindArg( "-?" ) || FindArg( "-help" ) || FindArg( "?" ) || FindArg( "-h" ) ) {
540                 print_commandline_help();
541                 set_exit_message("");
542 #ifdef __MINGW32__
543                 exit(0);  /* mingw hangs on this return.  dunno why */
544 #endif
545                 return(0);
546         }
547
548         con_printf(CON_NORMAL, "\n");
549         con_printf(CON_NORMAL, TXT_HELP, PROGNAME);             //help message has %s for program name
550         con_printf(CON_NORMAL, "\n");
551
552         //con_printf(CON_VERBOSE, "\n%s...", "Checking for Descent 2 CD-ROM");
553
554         if ( FindArg( "-autodemo" ))
555                 Auto_demo = 1;
556
557 #ifndef RELEASE
558         if ( FindArg( "-noscreens" ) )
559                 Skip_briefing_screens = 1;
560 #endif
561
562         if ((t=FindArg("-tmap"))){
563                 select_tmap(Args[t+1]);
564         }else
565                 select_tmap(NULL);
566
567         Lighting_on = 1;
568
569 //      if (init_graphics()) return 1;
570
571         #ifdef EDITOR
572         if (!Inferno_is_800x600_available)      {
573                 con_printf(CON_NORMAL, "The editor will not be available, press any key to start game...\n" );
574                 Function_mode = FMODE_MENU;
575         }
576         #endif
577
578         if (!WVIDEO_running)
579                 con_printf(CON_DEBUG,"WVIDEO_running = %d\n",WVIDEO_running);
580
581         con_printf (CON_VERBOSE, "%s", TXT_VERBOSE_1);
582         ReadConfigFile();
583
584 #ifdef NETWORK
585         do_network_init();
586 #endif
587
588 #if defined(POLY_ACC)
589     Current_display_mode = -1;
590     game_init_render_buffers(SM_640x480x15xPA, 640, 480, VR_NONE, VRF_COMPATIBLE_MENUS+VRF_ALLOW_COCKPIT );
591 #else
592
593         if (!VR_offscreen_buffer)       //if hasn't been initialied (by headset init)
594                 set_display_mode(0);            //..then set default display mode
595 #endif
596
597         {
598 //added on 12/14/98 by Matt Mueller - override res in d1x.ini with command line args
599                 int i, argnum=INT_MAX;
600 //end addition -MM
601                 int vr_mode = VR_NONE;
602                 int screen_compatible = 1;
603                 int use_double_buffer = 0;
604
605 //added/edited on 12/14/98 by Matt Mueller - override res in d1x.ini with command line args
606 //added on 9/30/98 by Matt Mueller clean up screen mode code, and add higher resolutions
607 #define SCREENMODE(X,Y,C) if ( (i=FindArg( "-" #X "x" #Y ))&&(i<argnum))  {argnum=i; screen_mode = SM( X , Y ); con_printf(CON_VERBOSE, "Using " #X "x" #Y " ...\n" );screen_width = X;screen_height = Y;use_double_buffer = 1;screen_compatible = C;}
608 //aren't #defines great? :)
609
610                 SCREENMODE(320,100,0);
611                 SCREENMODE(320,200,1);
612 //end addition/edit -MM
613                 SCREENMODE(320,240,0);
614                 SCREENMODE(320,400,0);
615                 SCREENMODE(640,400,0);
616                 SCREENMODE(640,480,0);
617                 SCREENMODE(800,600,0);
618                 SCREENMODE(1024,768,0);
619                 SCREENMODE(1152,864,0);
620                 SCREENMODE(1280,960,0);
621                 SCREENMODE(1280,1024,0);
622                 SCREENMODE(1600,1200,0);
623 //end addition -MM
624                 
625 //added ifdefs on 9/30/98 by Matt Mueller to fix high res in linux
626 #ifdef __MSDOS__
627                 if ( FindArg( "-nodoublebuffer" ) )     {
628                         con_printf(CON_VERBOSE, "Double-buffering disabled...\n" );
629 #endif
630                         use_double_buffer = 0;
631 #ifdef __MSDOS__
632                 }
633 #endif
634 //end addition -MM
635
636                 //added 3/24/99 by Owen Evans for screen res changing
637 //              Game_Screen_mode = screen_mode;
638                 //end added -OE
639                 game_init_render_buffers(screen_mode, screen_width, screen_height, vr_mode, screen_compatible);
640                 
641         }
642         {
643 //added/edited on 12/14/98 by Matt Mueller - override res in d1x.ini with command line args
644                 int i, argnum=INT_MAX;
645 //added on 9/30/98 by Matt Mueller for selectable automap modes - edited 11/21/99 whee, more fun with defines.
646 #define SMODE(V,VV,VG,X,Y) if ( (i=FindArg( "-" #V #X "x" #Y )) && (i<argnum))  {argnum=i; VV = SM( X , Y );VG=0;}
647 #define SMODE_GR(V,VG) if ((i=FindArg("-" #V "_gameres"))){if (i<argnum) VG=1;}
648 #define SMODE_PRINT(V,VV,VG) if (VG) con_printf(CON_VERBOSE, #V " using game resolution ...\n"); else con_printf(CON_VERBOSE, #V " using %ix%i ...\n",SM_W(VV),SM_H(VV) );
649 //aren't #defines great? :)
650 //end addition/edit -MM
651 #define S_MODE(V,VV,VG) argnum=INT_MAX;SMODE(V,VV,VG,320,200);SMODE(V,VV,VG,320,240);SMODE(V,VV,VG,320,400);SMODE(V,VV,VG,640,400);SMODE(V,VV,VG,640,480);SMODE(V,VV,VG,800,600);SMODE(V,VV,VG,1024,768);SMODE(V,VV,VG,1280,1024);SMODE(V,VV,VG,1600,1200);SMODE_GR(V,VG);SMODE_PRINT(V,VV,VG);
652
653                 S_MODE(automap,automap_mode,automap_use_game_res);
654 //              S_MODE(menu,menu_screen_mode,menu_use_game_res);
655          }
656 //end addition -MM
657
658         i = FindArg( "-xcontrol" );
659         if ( i > 0 )    {
660                 kconfig_init_external_controls( strtol(Args[i+1], NULL, 0), strtol(Args[i+2], NULL, 0) );
661         }
662
663         con_printf(CON_VERBOSE, "\n%s\n\n", TXT_INITIALIZING_GRAPHICS);
664         if (FindArg("-nofade"))
665                 grd_fades_disabled=1;
666         
667         //determine whether we're using high-res menus & movies
668 #if !defined(POLY_ACC)
669         if (FindArg("-nohires") || FindArg("-nohighres") || (gr_check_mode(MENU_HIRES_MODE) != 0) || disable_high_res)
670                 MovieHires = MenuHires = MenuHiresAvailable = 0;
671         else
672 #endif
673                 //NOTE LINK TO ABOVE!
674                 MenuHires = MenuHiresAvailable = 1;
675
676         if ((t=gr_init())!=0)                           //doesn't do much
677                 Error(TXT_CANT_INIT_GFX,t);
678
679    #ifdef _3DFX
680    _3dfx_Init();
681    #endif
682
683         // Load the palette stuff. Returns non-zero if error.
684         con_printf(CON_DEBUG, "\nInitializing palette system..." );
685         gr_use_palette_table(DEFAULT_PALETTE );
686
687         con_printf(CON_DEBUG, "\nInitializing font system..." );
688         gamefont_init();        // must load after palette data loaded.
689
690         con_printf( CON_DEBUG, "\nInitializing movie libraries..." );
691         init_movies();          //init movie libraries
692
693 #if 0
694         con_printf(CON_VERBOSE, "\nGoing into graphics mode...\n");
695 #if defined(POLY_ACC)
696         gr_set_mode(SM_640x480x15xPA);
697 #else
698         gr_set_mode(MovieHires?SM(640,480):SM(320,200));
699 #endif
700 #endif
701
702         #ifndef RELEASE
703         if ( FindArg( "-notitles" ) ) 
704                 songs_play_song( SONG_TITLE, 1);
705         else
706         #endif
707         {       //NOTE LINK TO ABOVE!
708 #ifndef SHAREWARE
709                 int played=MOVIE_NOT_PLAYED;    //default is not played
710 #endif
711                 int song_playing = 0;
712
713                 #ifdef D2_OEM
714                 #define MOVIE_REQUIRED 0
715                 #else
716                 #define MOVIE_REQUIRED 1
717                 #endif
718
719 #ifdef D2_OEM   //$$POLY_ACC, jay.
720                 {       //show bundler screens
721                         FILE *tfile;
722                         char filename[FILENAME_LEN];
723
724                         played=MOVIE_NOT_PLAYED;        //default is not played
725
726             played = PlayMovie("pre_i.mve",0);
727
728                         if (!played) {
729                 strcpy(filename,MenuHires?"pre_i1b.pcx":"pre_i1.pcx");
730
731                                 while ((tfile=fopen(filename,"rb")) != NULL) {
732                                         fclose(tfile);
733                                         show_title_screen( filename, 1, 0 );
734                     filename[5]++;
735                                 }
736                         }
737                 }
738 #endif
739
740                 #ifndef SHAREWARE
741                         init_subtitles("intro.tex");
742                         played = PlayMovie("intro.mve",MOVIE_REQUIRED);
743                         close_subtitles();
744                 #endif
745
746                 #ifdef D2_OEM
747                 if (played != MOVIE_NOT_PLAYED)
748                         intro_played = 1;
749                 else {                                          //didn't get intro movie, try titles
750
751                         played = PlayMovie("titles.mve",MOVIE_REQUIRED);
752
753                         if (played == MOVIE_NOT_PLAYED) {
754 #if defined(POLY_ACC)
755                                 gr_set_mode(SM_640x480x15xPA);
756 #else
757                                 gr_set_mode(MenuHires?SM_640x480V:SM_320x200C);
758 #endif
759                                 con_printf( CON_DEBUG, "\nPlaying title song..." );
760                                 songs_play_song( SONG_TITLE, 1);
761                                 song_playing = 1;
762                                 con_printf( CON_DEBUG, "\nShowing logo screens..." );
763                                 show_title_screen( MenuHires?"iplogo1b.pcx":"iplogo1.pcx", 1, 1 );
764                                 show_title_screen( MenuHires?"logob.pcx":"logo.pcx", 1, 1 );
765                         }
766                 }
767
768                 {       //show bundler movie or screens
769
770                         FILE *tfile;
771                         char filename[FILENAME_LEN];
772                         int movie_handle;
773
774                         played=MOVIE_NOT_PLAYED;        //default is not played
775
776                         //check if OEM movie exists, so we don't stop the music if it doesn't
777                         movie_handle = open_movie_file("oem.mve",0);
778                         if (movie_handle != -1) {
779                                 close(movie_handle);
780                                 played = PlayMovie("oem.mve",0);
781                                 song_playing = 0;               //movie will kill sound
782                         }
783
784                         if (!played) {
785                                 strcpy(filename,MenuHires?"oem1b.pcx":"oem1.pcx");
786
787                                 while ((tfile=fopen(filename,"rb")) != NULL) {
788                                         fclose(tfile);
789                                         show_title_screen( filename, 1, 0 );
790                                         filename[3]++;
791                                 }
792                         }
793                 }
794                 #endif
795
796                 if (!song_playing)
797                         songs_play_song( SONG_TITLE, 1);
798                         
799         }
800
801         PA_DFX (pa_splash());
802
803         con_printf( CON_DEBUG, "\nShowing loading screen..." );
804         {
805                 //grs_bitmap title_bm;
806                 int pcx_error;
807                 char filename[14];
808
809                 strcpy(filename, MenuHires?"descentb.pcx":"descent.pcx");
810                 if (! cfexist(filename))
811                         strcpy(filename, MenuHires?"descntob.pcx":"descento.pcx"); // OEM
812                 if (! cfexist(filename))
813                         strcpy(filename, "descentd.pcx"); // SHAREWARE
814
815 #if defined(POLY_ACC)
816                 gr_set_mode(SM_640x480x15xPA);
817 #else
818                 gr_set_mode(MenuHires?SM(640,480):SM(320,200));
819 #endif
820
821                 FontHires = FontHiresAvailable && MenuHires;
822
823                 if ((pcx_error=pcx_read_fullscr( filename, title_pal ))==PCX_ERROR_NONE)        {
824                         //vfx_set_palette_sub( title_pal );
825                         gr_palette_clear();
826                         gr_palette_fade_in( title_pal, 32, 0 );
827                 } else
828                         Error( "Couldn't load pcx file '%s', PCX load error: %s\n",filename, pcx_errormsg(pcx_error));
829         }
830
831         con_printf( CON_DEBUG , "\nDoing bm_init..." );
832         #ifdef EDITOR
833                 bm_init_use_tbl();
834         #else
835                 bm_init();
836         #endif
837
838         #ifdef EDITOR
839         if (FindArg("-hoarddata") != 0) {
840                 #define MAX_BITMAPS_PER_BRUSH 30
841                 grs_bitmap * bm[MAX_BITMAPS_PER_BRUSH];
842                 grs_bitmap icon;
843                 int nframes;
844                 short nframes_short;
845                 ubyte palette[256*3];
846                 FILE *ofile;
847                 int iff_error,i;
848                 char *sounds[] = {"selforb.raw","selforb.r22",          //SOUND_YOU_GOT_ORB                     
849                                                                 "teamorb.raw","teamorb.r22",            //SOUND_FRIEND_GOT_ORB                  
850                                                                 "enemyorb.raw","enemyorb.r22",  //SOUND_OPPONENT_GOT_ORB        
851                                                                 "OPSCORE1.raw","OPSCORE1.r22"}; //SOUND_OPPONENT_HAS_SCORED
852
853                 ofile = fopen("hoard.ham","wb");
854
855            iff_error = iff_read_animbrush("orb.abm",bm,MAX_BITMAPS_PER_BRUSH,&nframes,palette);
856                 Assert(iff_error == IFF_NO_ERROR);
857                 nframes_short = nframes;
858                 fwrite(&nframes_short,sizeof(nframes_short),1,ofile);
859                 fwrite(&bm[0]->bm_w,sizeof(short),1,ofile);
860                 fwrite(&bm[0]->bm_h,sizeof(short),1,ofile);
861                 fwrite(palette,3,256,ofile);
862                 for (i=0;i<nframes;i++)
863                         fwrite(bm[i]->bm_data,1,bm[i]->bm_w*bm[i]->bm_h,ofile);
864
865                 iff_error = iff_read_animbrush("orbgoal.abm",bm,MAX_BITMAPS_PER_BRUSH,&nframes,palette);
866                 Assert(iff_error == IFF_NO_ERROR);
867                 Assert(bm[0]->bm_w == 64 && bm[0]->bm_h == 64);
868                 nframes_short = nframes;
869                 fwrite(&nframes_short,sizeof(nframes_short),1,ofile);
870                 fwrite(palette,3,256,ofile);
871                 for (i=0;i<nframes;i++)
872                         fwrite(bm[i]->bm_data,1,bm[i]->bm_w*bm[i]->bm_h,ofile);
873
874                 for (i=0;i<2;i++) {
875                         iff_error = iff_read_bitmap(i?"orbb.bbm":"orb.bbm",&icon,BM_LINEAR,palette);
876                         Assert(iff_error == IFF_NO_ERROR);
877                         fwrite(&icon.bm_w,sizeof(short),1,ofile);
878                         fwrite(&icon.bm_h,sizeof(short),1,ofile);
879                         fwrite(palette,3,256,ofile);
880                         fwrite(icon.bm_data,1,icon.bm_w*icon.bm_h,ofile);
881                 }
882
883                 for (i=0;i<sizeof(sounds)/sizeof(*sounds);i++) {
884                         FILE *ifile;
885                         int size;
886                         ubyte *buf;
887                         ifile = fopen(sounds[i],"rb");
888                         Assert(ifile != NULL);
889                         size = ffilelength(ifile);
890                         buf = d_malloc(size);
891                         fread(buf,1,size,ifile);
892                         fwrite(&size,sizeof(size),1,ofile);
893                         fwrite(buf,1,size,ofile);
894                         d_free(buf);
895                         fclose(ifile);
896                 }
897
898                 fclose(ofile);
899
900                 exit(1);
901         }
902         #endif
903
904         //the bitmap loading code changes gr_palette, so restore it
905         memcpy(gr_palette,title_pal,sizeof(gr_palette));
906
907         if ( FindArg( "-norun" ) )
908                 return(0);
909
910         con_printf( CON_DEBUG, "\nInitializing 3d system..." );
911         g3_init();
912
913         con_printf( CON_DEBUG, "\nInitializing texture caching system..." );
914         texmerge_init( 10 );            // 10 cache bitmaps
915
916         con_printf( CON_DEBUG, "\nRunning game...\n" );
917         set_screen_mode(SCREEN_MENU);
918
919         init_game();
920
921         //      If built with editor, option to auto-load a level and quit game
922         //      to write certain data.
923         #ifdef  EDITOR
924         {       int t;
925         if ( (t = FindArg( "-autoload" )) ) {
926                 Auto_exit = 1;
927                 strcpy(Auto_file, Args[t+1]);
928         }
929                 
930         }
931
932         if (Auto_exit) {
933                 strcpy(Players[0].callsign, "dummy");
934         } else
935         #endif
936                 do_register_player(title_pal);
937
938         gr_palette_fade_out( title_pal, 32, 0 );
939
940         Game_mode = GM_GAME_OVER;
941
942         if (Auto_demo)  {
943                 newdemo_start_playback("descent.dem");          
944                 if (Newdemo_state == ND_STATE_PLAYBACK )
945                         Function_mode = FMODE_GAME;
946         }
947
948         //do this here because the demo code can do a longjmp when trying to
949         //autostart a demo from the main menu, never having gone into the game
950         setjmp(LeaveGame);
951
952         while (Function_mode != FMODE_EXIT)
953         {
954                 switch( Function_mode ) {
955                 case FMODE_MENU:
956                         set_screen_mode(SCREEN_MENU);
957                         if ( Auto_demo )        {
958                                 newdemo_start_playback(NULL);           // Randomly pick a file
959                                 if (Newdemo_state != ND_STATE_PLAYBACK) 
960                                         Error("No demo files were found for autodemo mode!");
961                         } else {
962                                 #ifdef EDITOR
963                                 if (Auto_exit) {
964                                         strcpy((char *)&Level_names[0], Auto_file);
965                                         LoadLevel(1, 1);
966                                         Function_mode = FMODE_EXIT;
967                                         break;
968                                 }
969                                 #endif
970
971                                 check_joystick_calibration();
972                                 gr_palette_clear();             //I'm not sure why we need this, but we do
973                                 DoMenu();                                                                               
974                                 #ifdef EDITOR
975                                 if ( Function_mode == FMODE_EDITOR )    {
976                                         create_new_mine();
977                                         SetPlayerFromCurseg();
978                                         load_palette(NULL,1,0);
979                                 }
980                                 #endif
981                         }
982                         break;
983                 case FMODE_GAME:
984                         #ifdef EDITOR
985                                 keyd_editor_mode = 0;
986                         #endif
987
988 #ifdef SDL_INPUT
989                         /* keep the mouse from wandering in SDL */
990                         if (FindArg("-grabmouse"))
991                             SDL_WM_GrabInput(SDL_GRAB_ON);
992 #endif
993
994                         game();
995
996 #ifdef SDL_INPUT
997                         /* give control back to the WM */
998                         if (FindArg("-grabmouse"))
999                             SDL_WM_GrabInput(SDL_GRAB_OFF);
1000 #endif
1001
1002                         if ( Function_mode == FMODE_MENU )
1003                                 songs_play_song( SONG_TITLE, 1 );
1004                         break;
1005                 #ifdef EDITOR
1006                 case FMODE_EDITOR:
1007                         keyd_editor_mode = 1;
1008                         editor();
1009 #ifdef __WATCOMC__
1010                         _harderr( (void*)descent_critical_error_handler );              // Reinstall game error handler
1011 #endif
1012                         if ( Function_mode == FMODE_GAME ) {
1013                                 Game_mode = GM_EDITOR;
1014                                 editor_reset_stuff_on_level();
1015                                 N_players = 1;
1016                         }
1017                         break;
1018                 #endif
1019                 default:
1020                         Error("Invalid function mode %d",Function_mode);
1021                 }
1022         }
1023
1024         WriteConfigFile();
1025
1026 #if 0 /* ????? */
1027         #ifndef RELEASE
1028         if (!FindArg( "-notitles" ))
1029         #endif
1030 #endif
1031
1032         #ifndef NDEBUG
1033         if ( FindArg( "-showmeminfo" ) )
1034                 show_mem_info = 1;              // Make memory statistics show
1035         #endif
1036
1037         return(0);              //presumably successful exit
1038 }
1039
1040
1041 void check_joystick_calibration()       {
1042         int x1, y1, x2, y2, c;
1043         fix t1;
1044
1045         if ( (Config_control_type!=CONTROL_JOYSTICK) &&
1046                   (Config_control_type!=CONTROL_FLIGHTSTICK_PRO) &&
1047                   (Config_control_type!=CONTROL_THRUSTMASTER_FCS) &&
1048                   (Config_control_type!=CONTROL_GRAVIS_GAMEPAD)
1049                 ) return;
1050
1051         joy_get_pos( &x1, &y1 );
1052
1053         t1 = timer_get_fixed_seconds();
1054         while( timer_get_fixed_seconds() < t1 + F1_0/100 )
1055                 ;
1056
1057         joy_get_pos( &x2, &y2 );
1058
1059         // If joystick hasn't moved...
1060         if ( (abs(x2-x1)<30) &&  (abs(y2-y1)<30) )      {
1061                 if ( (abs(x1)>30) || (abs(x2)>30) ||  (abs(y1)>30) || (abs(y2)>30) )    {
1062                         c = nm_messagebox( NULL, 2, TXT_CALIBRATE, TXT_SKIP, TXT_JOYSTICK_NOT_CEN );
1063                         if ( c==0 )     {
1064                                 joydefs_calibrate();
1065                         }
1066                 }
1067         }
1068
1069 }
1070
1071 void show_order_form()
1072 {
1073 #if !defined(EDITOR) && (defined(SHAREWARE) || defined(D2_OEM))
1074
1075         int pcx_error;
1076         char title_pal[768];
1077         char    exit_screen[16];
1078
1079         gr_set_current_canvas( NULL );
1080         gr_palette_clear();
1081
1082         key_flush();            
1083
1084         #ifdef D2_OEM
1085                 strcpy(exit_screen, MenuHires?"ordrd2ob.pcx":"ordrd2o.pcx");
1086         #else
1087         #if defined(SHAREWARE)
1088                 strcpy(exit_screen, "orderd2.pcx");
1089         #else
1090                 strcpy(exit_screen, MenuHires?"warningb.pcx":"warning.pcx");
1091         #endif
1092         #endif
1093
1094         if ((pcx_error=pcx_read_fullscr( exit_screen, title_pal ))==PCX_ERROR_NONE) {
1095                 //vfx_set_palette_sub( title_pal );
1096                 gr_palette_fade_in( title_pal, 32, 0 );
1097                 key_getch();
1098                 gr_palette_fade_out( title_pal, 32, 0 );                
1099         }
1100         else
1101                 Int3();         //can't load order screen
1102
1103         key_flush();            
1104
1105 #endif
1106 }
1107
1108 void quit_request()
1109 {
1110 #ifdef NETWORK
1111 //      void network_abort_game();
1112 //      if(Network_status)
1113 //              network_abort_game();
1114 #endif
1115         exit(0);
1116 }