main/newdemo.c

   1 /* $Id: newdemo.c,v 1.12 2003-03-18 02:31:16 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  * Code to make a complete demo playback system.
  18  *
  19  * $Log: not supported by cvs2svn $
  20  * Revision 1.11  2003/03/17 07:59:11  btb
  21  * also look in shared data dir for demos
  22  *
  23  * Revision 1.10  2003/03/17 07:10:21  btb
  24  * comments/formatting
  25  *
  26  * Revision 1.12  1995/10/31  10:19:43  allender
  27  * shareware stuff
  28  *
  29  * Revision 1.11  1995/10/17  13:19:16  allender
  30  * close boxes for demo save
  31  *
  32  * Revision 1.10  1995/10/05  10:36:07  allender
  33  * fixed calls to digi_play_sample to account for differing volume and angle calculations
  34  *
  35  * Revision 1.9  1995/09/12  15:49:13  allender
  36  * define __useAppleExts__ if not already defined
  37  *
  38  * Revision 1.8  1995/09/05  14:28:32  allender
  39  * fixed previous N_players bug in newdemo_goto_end
  40  *
  41  * Revision 1.7  1995/09/05  14:16:51  allender
  42  * added space to allowable demo filename characters
  43  * and fixed bug with netgame demos N_players got getting
  44  * set correctly
  45  *
  46  * Revision 1.6  1995/09/01  16:10:47  allender
  47  * fixed bug with reading in N_players variable on
  48  * netgame demo playback
  49  *
  50  * Revision 1.5  1995/08/24  16:04:11  allender
  51  * fix signed byte problem
  52  *
  53  * Revision 1.4  1995/08/12  12:21:59  allender
  54  * made call to create_shortpos not swap the shortpos
  55  * elements
  56  *
  57  * Revision 1.3  1995/08/01  16:04:19  allender
  58  * made random picking of demo work
  59  *
  60  * Revision 1.2  1995/08/01  13:56:56  allender
  61  * demo system working on the mac
  62  *
  63  * Revision 1.1  1995/05/16  15:28:59  allender
  64  * Initial revision
  65  *
  66  * Revision 2.7  1995/05/26  16:16:06  john
  67  * Split SATURN into define's for requiring cd, using cd, etc.
  68  * Also started adding all the Rockwell stuff.
  69  *
  70  * Revision 2.6  1995/03/21  14:39:38  john
  71  * Ifdef'd out the NETWORK code.
  72  *
  73  * Revision 2.5  1995/03/14  18:24:31  john
  74  * Force Destination Saturn to use CD-ROM drive.
  75  *
  76  * Revision 2.4  1995/03/14  16:22:29  john
  77  * Added cdrom alternate directory stuff.
  78  *
  79  * Revision 2.3  1995/03/10  12:58:33  allender
  80  * only display rear view cockpit when cockpit mode was CM_FULL_COCKPIT.
  81  *
  82  * Revision 2.2  1995/03/08  16:12:15  allender
  83  * changes for Destination Saturn
  84  *
  85  * Revision 2.1  1995/03/08  12:11:26  allender
  86  * fix shortpos reading
  87  *
  88  * Revision 2.0  1995/02/27  11:29:40  john
  89  * New version 2.0, which has no anonymous unions, builds with
  90  * Watcom 10.0, and doesn't require parsing BITMAPS.TBL.
  91  *
  92  * Revision 1.189  1995/02/22  14:53:42  allender
  93  * missed some anonymous stuff
  94  *
  95  * Revision 1.188  1995/02/22  13:24:53  john
  96  * Removed the vecmat anonymous unions.
  97  *
  98  * Revision 1.187  1995/02/22  13:13:54  allender
  99  * remove anonymous unions from object structure
 100  *
 101  * Revision 1.186  1995/02/14  15:36:41  allender
 102  * fix fix for morph effect
 103  *
 104  * Revision 1.185  1995/02/14  11:25:48  allender
 105  * save cockpit mode and restore after playback.  get orientation for morph
 106  * effect when object is morph vclip
 107  *
 108  * Revision 1.184  1995/02/13  12:18:14  allender
 109  * change to decide about interpolating or not
 110  *
 111  * Revision 1.183  1995/02/12  00:46:23  adam
 112  * don't decide to skip frames until after at least 10 frames have
 113  * passed -- allender
 114  *
 115  * Revision 1.182  1995/02/11  22:34:01  john
 116  * Made textures page in for newdemos before playback time.
 117  *
 118  * Revision 1.181  1995/02/11  17:28:32  allender
 119  * strip frames from end of demo
 120  *
 121  * Revision 1.180  1995/02/11  16:40:35  allender
 122  * start of frame stripping debug code
 123  *
 124  * Revision 1.179  1995/02/10  17:40:06  allender
 125  * put back in wall_hit_process code to fix door problem
 126  *
 127  * Revision 1.178  1995/02/10  17:17:24  adam
 128  * allender } fix
 129  *
 130  * Revision 1.177  1995/02/10  17:16:24  allender
 131  * fix possible tmap problems
 132  *
 133  * Revision 1.176  1995/02/10  15:54:37  allender
 134  * changes for out of space on device.
 135  *
 136  * Revision 1.175  1995/02/09  19:55:00  allender
 137  * fix bug with morph recording -- force rendertype to RT_POLYOBJ when
 138  * playing back since it won't render until fully morphed otherwise
 139  *
 140  * Revision 1.174  1995/02/07  17:15:35  allender
 141  * DOH!!!!!
 142  *
 143  * Revision 1.173  1995/02/07  17:14:21  allender
 144  * immediately return when loading bogus level stuff when reading a frame
 145  *
 146  * Revision 1.172  1995/02/02  11:15:03  allender
 147  * after loading new level, read next frame (forward or back) always because
 148  * of co-op ships showing up when level is loaded
 149  *
 150  * Revision 1.171  1995/02/02  10:24:16  allender
 151  * removed cfile stuff.  Use standard FILE functions for demo playback
 152  *
 153  * Revision 1.170  1995/01/30  13:54:32  allender
 154  * support for missions
 155  *
 156  * Revision 1.169  1995/01/27  16:27:35  allender
 157  * put game mode to demo_game_mode when sorting multiplayer kill (and score)
 158  * list
 159  *
 160  * Revision 1.168  1995/01/27  09:52:25  allender
 161  * minor changes because of object/segment linking problems
 162  *
 163  * Revision 1.167  1995/01/27  09:22:28  allender
 164  * changed way multi-player score is recorded.  Record difference, not
 165  * actual
 166  *
 167  * Revision 1.166  1995/01/25  14:32:44  allender
 168  * changed with recorded player flags.  More checks for paused state
 169  * during interpolation reading of objects
 170  *
 171  * Revision 1.165  1995/01/25  11:23:32  allender
 172  * found bug with out of disk space problem
 173  *
 174  * Revision 1.164  1995/01/25  11:11:33  allender
 175  * coupla' things.  Fix problem with objects apparently being linked in
 176  * the wrong segment.  Put an Int3 in to check why demos will write to
 177  * end of space on drive. close demo file if demo doens't start playing
 178  * back.  Put obj->type == OBJ_ROBOT around checking for boss cloaking
 179  *
 180  * Revision 1.163  1995/01/24  19:44:30  allender
 181  * fix obscure problem with rewinding and having the wrong object linked
 182  * to the wrong segments.  will investigate further.
 183  *
 184  * Revision 1.162  1995/01/23  09:31:28  allender
 185  * add team score in team mode playback
 186  *
 187  * Revision 1.161  1995/01/20  22:47:39  matt
 188  * Mission system implemented, though imcompletely
 189  *
 190  * Revision 1.160  1995/01/20  09:30:37  allender
 191  * don't call LoadLevel with bogus data
 192  *
 193  * Revision 1.159  1995/01/20  09:13:23  allender
 194  * *&^%&*%$ typo
 195  *
 196  * Revision 1.158  1995/01/20  09:12:04  allender
 197  * record team names during demo recoring in GM_TEAM
 198  *
 199  * Revision 1.157  1995/01/19  16:31:09  allender
 200  * forgot to bump demo version for new weapon change stuff
 201  *
 202  * Revision 1.156  1995/01/19  16:29:33  allender
 203  * added new byte for weapon change (old weapon) so rewinding works
 204  * correctly for weapon changes in registered
 205  *
 206  * Revision 1.155  1995/01/19  15:00:05  allender
 207  * remove code to take away blastable walls in multiplayer demo playbacks
 208  *
 209  * Revision 1.154  1995/01/19  11:07:05  allender
 210  * put in psuedo cloaking for boss robots.  Problem is that cloaking is
 211  * time based, and that don't get done in demos, so bosses just disappear.
 212  * oh well
 213  *
 214  * Revision 1.153  1995/01/19  09:42:29  allender
 215  * record laser levels in demos
 216  *
 217  * Revision 1.152  1995/01/18  20:43:12  allender
 218  * fix laser level stuff on goto-beginning and goto-end
 219  *
 220  * Revision 1.151  1995/01/18  20:28:18  allender
 221  * cloak robots now cloak (except maybe for boss........)  Put in function
 222  * to deal with control center triggers
 223  *
 224  * Revision 1.150  1995/01/18  18:55:07  allender
 225  * bug fix
 226  *
 227  * Revision 1.149  1995/01/18  18:49:03  allender
 228  * lots 'o stuff....record laser level.  Record beginning of door opening
 229  * sequence.  Fix some problems with control center stuff.  Control center
 230  * triggers now work in reverse
 231  *
 232  * Revision 1.148  1995/01/18  08:51:40  allender
 233  * forgot to record ammo counts at beginning of demo
 234  *
 235  * Revision 1.147  1995/01/17  17:42:07  allender
 236  * added primary and secondary ammo counts.  Changed goto_end routine
 237  * to be more efficient
 238  *
 239  * Revision 1.146  1995/01/17  13:46:35  allender
 240  * fix problem with destroyed control center and rewinding a demo.
 241  * Save callsign and restore after demo playback
 242  *
 243  * Revision 1.145  1995/01/12  10:21:53  allender
 244  * fixes for 1.0 to 1.1 demo incompatibility
 245  *
 246  * Revision 1.144  1995/01/05  13:51:43  allender
 247  * fixed type of player num variable
 248  *
 249  * Revision 1.143  1995/01/04  16:58:28  allender
 250  * bumped up demo version number
 251  *
 252  * Revision 1.142  1995/01/04  14:59:02  allender
 253  * added more information to end of demo for registered.  Forced game mode
 254  * to be GM_NORMAL on demo playback
 255  *
 256  * Revision 1.141  1995/01/03  17:30:47  allender
 257  * fixed logic problem with cloak stuf
 258  *
 259  * Revision 1.140  1995/01/03  17:12:23  allender
 260  * fix for getting cloak stuff at end of demo for shareware
 261  *
 262  * Revision 1.139  1995/01/03  15:20:24  allender
 263  * fix goto_end for shareware -- changes to goto_end for registered
 264  *
 265  * Revision 1.138  1995/01/03  13:13:26  allender
 266  * add } I forgot
 267  *
 268  * Revision 1.137  1995/01/03  13:10:29  allender
 269  * make score work forwards and backwards
 270  *
 271  * Revision 1.136  1995/01/03  11:45:20  allender
 272  * added code to record players scores
 273  *
 274  * Revision 1.135  1994/12/30  10:03:57  allender
 275  * put cloak stuff at end of demo for fast forward to the end
 276  *
 277  * Revision 1.134  1994/12/29  17:02:55  allender
 278  * spelling fix on SHAREWARE
 279  *
 280  * Revision 1.133  1994/12/29  16:43:41  allender
 281  * lots of new multiplayer stuff.  wrapped much code with SHAREWARE defines
 282  *
 283  * Revision 1.132  1994/12/28  14:15:01  allender
 284  * added routines to deal with connecting and reconnecting players when
 285  * recording multiplayer demos
 286  *
 287  * Revision 1.131  1994/12/21  12:57:59  allender
 288  * bug fix
 289  *
 290  * Revision 1.130  1994/12/21  12:46:53  allender
 291  * record multi player deaths and kills
 292  *
 293  * Revision 1.129  1994/12/19  16:37:27  allender
 294  * pick good filename when trying to save in network play and player
 295  * gets bumped out of menu by multi-player code
 296  *
 297  * Revision 1.128  1994/12/14  10:49:01  allender
 298  * reset bad_read variable when starting demo playback
 299  *
 300  * Revision 1.127  1994/12/14  08:53:06  allender
 301  * lowered watermark for out of space
 302  *
 303  * Revision 1.126  1994/12/14  08:49:52  allender
 304  * put up warning when starting demo recording if not enough space and
 305  * not let them record
 306  *
 307  * Revision 1.125  1994/12/13  00:01:37  allender
 308  * CLOAK FIX -- (I'm tempted to take cloak out of game because I can't
 309  * seem to get it right in demo playback)
 310  *
 311  * Revision 1.124  1994/12/12  14:51:21  allender
 312  * more fixed to multiplayer cloak stuff
 313  *
 314  * Revision 1.123  1994/12/12  11:33:11  allender
 315  * fixed rearview mode to work again
 316  *
 317  * Revision 1.122  1994/12/12  11:00:16  matt
 318  * Added code to handle confusion with attached objects
 319  *
 320  * Revision 1.121  1994/12/12  00:31:29  allender
 321  * give better warning when out of space when recording.  Don't record
 322  * until no space left.  We have 500K watermark when we now stop recording
 323  *
 324  * Revision 1.120  1994/12/10  16:44:54  matt
 325  * Added debugging code to track down door that turns into rock
 326  *
 327  * Revision 1.119  1994/12/09  18:46:15  matt
 328  * Added code to handle odd error condition
 329  *
 330  * Revision 1.118  1994/12/09  17:27:37  allender
 331  * force playernum to 0 when demo is done playing
 332  *
 333  * Revision 1.117  1994/12/09  16:40:39  allender
 334  * yet more cloak stuff.  Assign cloak/invuln time when starting demo
 335  * if flags are set.  Check cloak and invuln time when demo
 336  * even when paused
 337  *
 338  * Revision 1.116  1994/12/09  14:59:22  matt
 339  * Added system to attach a fireball to another object for rendering purposes,
 340  * so the fireball always renders on top of (after) the object.
 341  *
 342  * Revision 1.115  1994/12/09  12:21:45  allender
 343  * only allow valid chars when typing in demo filename
 344  *
 345  * Revision 1.114  1994/12/08  23:19:02  allender
 346  * final(?) fix for getting cloak gauge to work on demo playback
 347  * with forward and reverse
 348  *
 349  * Revision 1.113  1994/12/08  21:34:38  allender
 350  * record old and new player flags to accuratedly record cloaking and
 351  * decloaking
 352  * ./
 353  *
 354  * Revision 1.112  1994/12/08  18:04:47  allender
 355  * bashed playernum right after reading it in demo header so shields
 356  * and energy are put in right place
 357  *
 358  * Revision 1.111  1994/12/08  17:10:07  allender
 359  * encode playernum in demo header.  Bash viewer segment to 0 if in
 360  * bogus segnum.  Don't link render objs for same reason
 361  *
 362  * Revision 1.110  1994/12/08  15:36:12  allender
 363  * cloak stuff works forwards and backwards
 364  *
 365  * Revision 1.109  1994/12/08  13:46:03  allender
 366  * don't record rearview anymore, but leave in case statement for playback
 367  * purposes.  change the way letterbox <--> cockpit transitions happen
 368  *
 369  * Revision 1.108  1994/12/08  12:36:06  matt
 370  * Added new object allocation & deallocation functions so other code
 371  * could stop messing around with internal object data structures.
 372  *
 373  * Revision 1.107  1994/12/08  11:19:04  allender
 374  * handle out of space (more) gracefully then before
 375  *
 376  * Revision 1.106  1994/12/08  00:29:49  allender
 377  * fixed bug that didn't load level on goto_beginning
 378  *
 379  * Revision 1.105  1994/12/08  00:11:51  mike
 380  * change matrix interpolation.
 381  *
 382  * Revision 1.104  1994/12/07  23:46:37  allender
 383  * changed invulnerability and cloak to work (almost) correctly both
 384  * in single and multi player
 385  *
 386  * Revision 1.103  1994/12/07  11:48:49  adam
 387  * BY ALLENDER -- added dampening of interpolation factor to 1 if greater
 388  * than 1 (although I have not seen this happen).  this is attempt to
 389  * get wobbling problem solved
 390  *
 391  * Revision 1.102  1994/12/07  11:23:56  allender
 392  * attempt at getting rid of wobbling on demo playback
 393  *
 394  * Revision 1.101  1994/12/06  19:31:17  allender
 395  * moved blastable wall stuff code to where we load level during demo
 396  * playback
 397  *
 398  * Revision 1.100  1994/12/06  19:21:51  allender
 399  * multi games, destroy blastable walls.  Do wall toggle when control center
 400  * destroyed
 401  *
 402  * Revision 1.99  1994/12/06  16:54:48  allender
 403  * fixed code so if demo automatically started from menu, don't bring up
 404  * message if demo is too old
 405  *
 406  * Revision 1.98  1994/12/06  13:55:15  matt
 407  * Use new rounding func, f2ir()
 408  *
 409  * Revision 1.97  1994/12/06  13:44:45  allender
 410  * suppressed compiler warnings
 411  *
 412  * Revision 1.96  1994/12/06  13:38:03  allender
 413  * removed recording of wall hit process.  I think that all bases are covered
 414  * elsewhere
 415  *
 416  * Revision 1.95  1994/12/06  12:57:35  allender
 417  * added recording of multi_decloaking.  Fixed some other cloaking code so
 418  * that cloak should last as long as player was cloaked.  We will lose the
 419  * guage effect, but the time is probably more important on playback
 420  *
 421  * Revision 1.94  1994/12/05  23:37:17  matt
 422  * Took out calls to warning() function
 423  *
 424  * Revision 1.93  1994/12/03  17:52:04  yuan
 425  * Localization 380ish
 426  *
 427  * Revision 1.92  1994/12/02  12:53:39  allender
 428  * fixed goto_beginning and goto_end on demo playback
 429  *
 430  * Revision 1.91  1994/12/01  12:01:49  allender
 431  * added multi player cloak stuff
 432  *
 433  * Revision 1.90  1994/11/30  09:33:58  allender
 434  * added field in header to tell what version (shareware or registered)
 435  * demo was recorded with.  Don't allow demo recorded on one to playback
 436  * on the other
 437  *
 438  * Revision 1.89  1994/11/29  00:31:01  allender
 439  * major changes -- added level recording feature which records level
 440  * advancement.  Changes to internal code to handle this.
 441  *
 442  * Revision 1.88  1994/11/27  23:13:54  matt
 443  * Made changes for new mprintf calling convention
 444  *
 445  * Revision 1.87  1994/11/27  23:07:35  allender
 446  * starting on code to get all level transitions recorded. not done yet
 447  *
 448  * Revision 1.86  1994/11/27  17:39:47  matt
 449  * Don't xlate tmap numbers when editor compiled out
 450  *
 451  * Revision 1.85  1994/11/23  09:27:21  allender
 452  * put up info box with message if demo version is too old or level
 453  * cannot be loaded
 454  *
 455  * Revision 1.84  1994/11/22  19:37:39  allender
 456  * fix array mistake
 457  *
 458  * Revision 1.83  1994/11/22  19:35:09  allender
 459  * record player ship colors in multiplayer demo recordings
 460  *
 461  * Revision 1.82  1994/11/19  15:36:42  mike
 462  * fix fix.
 463  *
 464  * Revision 1.81  1994/11/19  15:23:21  mike
 465  * rip out unused code
 466  *
 467  * Revision 1.80  1994/11/16  14:51:49  rob
 468  * Fixed network/demo incompatibility.
 469  *
 470  * Revision 1.79  1994/11/15  10:55:48  allender
 471  * made start of demo playback read initial demo information so
 472  * level will get loaded.  Made demo record to single file which
 473  * will get renamed.  Added numerics after old filename so
 474  * sequential filenames would be defaulted to
 475  *
 476  * Revision 1.78  1994/11/15  09:46:06  allender
 477  * added versioning.  Fixed problems with trying to interpolating a completely
 478  * 0 orientation matrix
 479  *
 480  * Revision 1.77  1994/11/14  14:34:31  matt
 481  * Fixed up handling when textures can't be found during remap
 482  *
 483  * Revision 1.76  1994/11/14  09:15:29  allender
 484  * make ESC from file save menu exit w/o saving.  Fix letterbox, rear view,
 485  * to normal cockpit mode transition to work correctly when skipping and
 486  * interpolating frames
 487  *
 488  * Revision 1.75  1994/11/11  16:22:07  allender
 489  * made morphing objects record only the object being morphed.
 490  *
 491  * Revision 1.74  1994/11/08  14:59:19  john
 492  * Added code to respond to network while in menus.
 493  *
 494  * Revision 1.73  1994/11/08  14:52:20  adam
 495  * *** empty log message ***
 496  *
 497  * Revision 1.72  1994/11/07  15:47:04  allender
 498  * prompt for filename when done recording demo
 499  *
 500  * Revision 1.71  1994/11/07  11:47:19  allender
 501  * when interpolating frames, delete weapon, fireball, and debris objects
 502  * from an inpolated frame if they don't appear in the next recorded
 503  * frame
 504  *
 505  * Revision 1.70  1994/11/07  11:02:41  allender
 506  * more with interpolation. I believe that I have it right now
 507  *
 508  * Revision 1.69  1994/11/07  08:47:40  john
 509  * Made wall state record.
 510  *
 511  * Revision 1.68  1994/11/05  17:22:51  john
 512  * Fixed lots of sequencing problems with newdemo stuff.
 513  *
 514  * Revision 1.67  1994/11/04  20:11:52  john
 515  * Neatening up palette stuff with demos.
 516  *
 517  * Revision 1.66  1994/11/04  16:49:44  allender
 518  * changed newdemo_do_interpolate to default to on
 519  *
 520  * Revision 1.65  1994/11/04  16:44:51  allender
 521  * added filename support for demo recording.  more auto demo stuff
 522  *
 523  * Revision 1.64  1994/11/04  13:05:31  allender
 524  * fixing the lifeleft variable again.  (I think I got it right this time)
 525  *
 526  * Revision 1.63  1994/11/04  11:37:37  allender
 527  * commented out fprintfs and fixed compiler warning
 528  *
 529  * Revision 1.62  1994/11/04  11:33:50  allender
 530  * added OBJ_FLARE and OBJ_LIGHT to obj->lifeleft recording
 531  *
 532  * Revision 1.61  1994/11/04  11:29:21  allender
 533  * more interpolation stuff -- not done yet.  Fixed so hostage vclips
 534  * render correctly.  Changed lifeleft to full precision, but only
 535  * write it when object is fireball or weapon type of object
 536  *
 537  * Revision 1.60  1994/11/03  10:00:11  allender
 538  * fixed divide by zero in calculating render time.  more interpolation
 539  * stuff which isn't quite done
 540  *
 541  * Revision 1.59  1994/11/02  17:10:59  allender
 542  * never play recorded frames when interpolation is occuring
 543  *
 544  * Revision 1.58  1994/11/02  14:28:58  allender
 545  * profile total playback time and average frame render time
 546  *
 547  * Revision 1.57  1994/11/02  14:09:03  allender
 548  * record rear view.  start of playback interpolation code -- this
 549  * is not yet done
 550  *
 551  * Revision 1.56  1994/11/01  13:25:30  allender
 552  * drop frames if playing back demo on slower machine
 553  *
 554  * Revision 1.55  1994/10/31  16:10:40  allender
 555  * record letterbox mode on death seq, and then restore
 556  *
 557  * Revision 1.54  1994/10/29  16:01:38  allender
 558  * added ND_STATE_NODEMOS to indicate that there are no demos currently
 559  * available for playback
 560  *
 561  * Revision 1.53  1994/10/29  15:38:42  allender
 562  * in newdemo_start_playback, make Newdemo_at_eof = 0
 563  *
 564  * Revision 1.52  1994/10/28  14:45:28  john
 565  * fixed typo from last checkin.
 566  *
 567  * Revision 1.51  1994/10/28  14:42:55  john
 568  * Added sound volumes to all sound calls.
 569  *
 570  * Revision 1.50  1994/10/28  14:31:57  allender
 571  * homing missle and autodemo stuff
 572  *
 573  * Revision 1.49  1994/10/28  12:42:14  allender
 574  * record homing distance
 575  *
 576  * Revision 1.48  1994/10/27  16:57:54  allender
 577  * changed demo vcr to be able to play any number of frames by storing
 578  * frame length (in bytes) in the demo file.  Added blowing up monitors
 579  *
 580  * Revision 1.47  1994/10/26  16:50:50  allender
 581  * put two functions inside of VCR_MODE ifdef
 582  *
 583  * Revision 1.46  1994/10/26  15:20:32  allender
 584  * added CT_REMOTE as valid control type for recording
 585  *
 586  * Revision 1.45  1994/10/26  14:45:35  allender
 587  * completed hacked in vcr demo playback stuff
 588  *
 589  * Revision 1.44  1994/10/26  13:40:52  allender
 590  * vcr playback of demo stuff
 591  *
 592  * Revision 1.43  1994/10/26  08:51:57  allender
 593  * record player weapon change
 594  *
 595  * Revision 1.42  1994/10/25  15:48:01  allender
 596  * add shields, energy, and player flags to demo recording.
 597  * ,
 598  *
 599  * Revision 1.41  1994/10/24  08:19:35  allender
 600  * fixed compilation errors
 601  *
 602  * Revision 1.40  1994/10/23  19:17:08  matt
 603  * Fixed bug with "no key" messages
 604  *
 605  * Revision 1.39  1994/10/22  14:15:08  mike
 606  * Suppress compiler warnings.
 607  *
 608  * Revision 1.38  1994/10/21  15:24:55  allender
 609  * compressed writing of object structures with specialized code
 610  * to write out only pertinent object structures.
 611  *
 612  * Revision 1.37  1994/10/20  13:03:17  matt
 613  * Replaced old save files (MIN/SAV/HOT) with new LVL files
 614  *
 615  * Revision 1.36  1994/09/28  23:13:10  matt
 616  * Macroized palette flash system
 617  *
 618  * Revision 1.35  1994/09/26  17:28:32  matt
 619  * Made new multiple-object morph code work with the demo system
 620  *
 621  * Revision 1.34  1994/09/10  13:31:54  matt
 622  * Made exploding walls a type of blastable walls.
 623  * Cleaned up blastable walls, making them tmap2 bitmaps.
 624  *
 625  * Revision 1.33  1994/08/15  18:05:28  john
 626  * *** empty log message ***
 627  *
 628  * Revision 1.32  1994/08/15  17:56:38  john
 629  * ,
 630  *
 631  * Revision 1.31  1994/08/10  09:44:54  john
 632  * *** empty log message ***
 633  *
 634  * Revision 1.30  1994/07/22  12:35:48  matt
 635  * Cleaned up editor/game interactions some more.
 636  *
 637  * Revision 1.29  1994/07/21  13:06:45  matt
 638  * Ripped out remants of old demo system, and added demo only system that
 639  * disables object movement and game options from menu.
 640  *
 641  * Revision 1.28  1994/07/18  16:22:44  john
 642  * Made all file read/writes call the same routine.
 643  *
 644  * Revision 1.27  1994/07/14  22:38:27  matt
 645  * Added exploding doors
 646  *
 647  * Revision 1.26  1994/07/05  12:49:04  john
 648  * Put functionality of New Hostage spec into code.
 649  *
 650  * Revision 1.25  1994/06/29  11:05:38  john
 651  * Made demos read in compressed.
 652  *
 653  * Revision 1.24  1994/06/29  09:14:06  john
 654  * Made files write out uncompressed and read in compressed.
 655  *
 656  * Revision 1.23  1994/06/28  11:55:28  john
 657  * Made newdemo system record/play directly to/from disk, so
 658  * we don't need the 4 MB buffer anymore.
 659  *
 660  * Revision 1.22  1994/06/27  15:52:38  john
 661  * #define'd out the newdemo stuff
 662  *
 663  *
 664  * Revision 1.21  1994/06/22  00:29:04  john
 665  * Fixed bug with playing demo then playing game without
 666  * loading new mine.
 667  *
 668  * Revision 1.20  1994/06/22  00:14:23  john
 669  * Attempted to fix sign.
 670  *
 671  * Revision 1.19  1994/06/21  23:57:54  john
 672  * Hopefully fixed bug with negative countdowns.
 673  *
 674  * Revision 1.18  1994/06/21  23:47:44  john
 675  * MAde Malloc always 4*1024*1024.
 676  *
 677  * Revision 1.17  1994/06/21  22:58:47  john
 678  * Added error if out of memory.
 679  *
 680  * Revision 1.16  1994/06/21  22:15:48  john
 681  * Added  % done to demo recording.
 682  *
 683  *
 684  * Revision 1.15  1994/06/21  19:45:55  john
 685  * Added palette effects to demo recording.
 686  *
 687  * Revision 1.14  1994/06/21  15:08:54  john
 688  * Made demo record HUD message and cleaned up the HUD code.
 689  *
 690  * Revision 1.13  1994/06/21  14:20:08  john
 691  * Put in hooks to record HUD messages.
 692  *
 693  * Revision 1.12  1994/06/20  11:50:15  john
 694  * Made demo record flash effect, and control center triggers.
 695  *
 696  * Revision 1.11  1994/06/17  18:01:33  john
 697  * A bunch of new stuff by John
 698  *
 699  * Revision 1.10  1994/06/17  12:13:31  john
 700  * More newdemo stuff; made editor->game transition start in slew mode.
 701  *
 702  * Revision 1.9  1994/06/16  13:14:36  matt
 703  * Fixed typo
 704  *
 705  * Revision 1.8  1994/06/16  13:02:07  john
 706  * Added morph hooks.
 707  *
 708  * Revision 1.7  1994/06/15  19:01:33  john
 709  * Added the capability to make 3d sounds play just once for the
 710  * laser hit wall effects.
 711  *
 712  * Revision 1.6  1994/06/15  14:56:59  john
 713  * Added triggers to demo recording.
 714  *
 715  * Revision 1.5  1994/06/14  20:42:15  john
 716  * Made robot matztn cntr not work until no robots or player are
 717  * in the segment.
 718  *
 719  * Revision 1.4  1994/06/14  14:43:27  john
 720  * Made doors work with newdemo system.
 721  *
 722  * Revision 1.3  1994/06/14  11:32:29  john
 723  * Made Newdemo record & restore the current mine.
 724  *
 725  * Revision 1.2  1994/06/13  21:02:43  john
 726  * Initial version of new demo recording system.
 727  *
 728  * Revision 1.1  1994/06/13  11:09:00  john
 729  * Initial revision
 730  *
 731  *
 732  */
 733
 734
 735 #ifdef HAVE_CONFIG_H
 736 #include <conf.h>
 737 #endif
 738
 739 #include <stdlib.h>
 740 #include <stdio.h>
 741 #include <stdarg.h>
 742 #include <string.h> // for memset
 743 #include <errno.h>
 744 #include <ctype.h>      /* for isdigit */
 745 #include <limits.h>
 746 #ifdef __unix__
 747 #include <sys/stat.h>
 748 #include <sys/types.h>
 749 #endif
 750
 751 #include "u_mem.h"
 752 #include "inferno.h"
 753 #include "game.h"
 754 #include "gr.h"
 755 #include "stdlib.h"
 756 #include "bm.h"
 757 //#include "error.h"
 758 #include "mono.h"
 759 #include "3d.h"
 760 #include "segment.h"
 761 #include "texmap.h"
 762 #include "laser.h"
 763 #include "key.h"
 764 #include "gameseg.h"
 765
 766 #include "object.h"
 767 #include "physics.h"
 768 #include "slew.h"
 769 #include "render.h"
 770 #include "wall.h"
 771 #include "vclip.h"
 772 #include "polyobj.h"
 773 #include "fireball.h"
 774 #include "laser.h"
 775 #include "error.h"
 776 #include "ai.h"
 777 #include "hostage.h"
 778 #include "morph.h"
 779
 780 #include "powerup.h"
 781 #include "fuelcen.h"
 782
 783 #include "sounds.h"
 784 #include "collide.h"
 785
 786 #include "lighting.h"
 787 #include "newdemo.h"
 788 #include "gameseq.h"
 789 #include "gamesave.h"
 790 #include "gamemine.h"
 791 #include "switch.h"
 792 #include "gauges.h"
 793 #include "player.h"
 794 #include "vecmat.h"
 795 #include "newmenu.h"
 796 #include "args.h"
 797 #include "palette.h"
 798 #include "multi.h"
 799 #ifdef NETWORK
 800 #include "network.h"
 801 #endif
 802 #include "text.h"
 803 #include "cntrlcen.h"
 804 #include "aistruct.h"
 805 #include "mission.h"
 806 #include "piggy.h"
 807 #include "controls.h"
 808 #include "d_io.h"
 809 #include "timer.h"
 810
 811 #include "findfile.h"
 812
 813 #ifdef EDITOR
 814 #include "editor/editor.h"
 815 #endif
 816
 817 #ifdef MACINTOSH
 818 #pragma global_optimizer off        // pretty much sucks...need to look into this
 819 #endif
 820
 821 void DoJasonInterpolate (fix recorded_time);
 822
 823 //#include "nocfile.h"
 824
 825 //Does demo start automatically?
 826 int Auto_demo = 0;
 827
 828 byte WasRecorded [MAX_OBJECTS];
 829 byte ViewWasRecorded[MAX_OBJECTS];
 830 byte RenderingWasRecorded[32];
 831
 832 #define ND_EVENT_EOF                0   // EOF
 833 #define ND_EVENT_START_DEMO         1   // Followed by 16 character, NULL terminated filename of .SAV file to use
 834 #define ND_EVENT_START_FRAME        2   // Followed by integer frame number, then a fix FrameTime
 835 #define ND_EVENT_VIEWER_OBJECT      3   // Followed by an object structure
 836 #define ND_EVENT_RENDER_OBJECT      4   // Followed by an object structure
 837 #define ND_EVENT_SOUND              5   // Followed by int soundum
 838 #define ND_EVENT_SOUND_ONCE         6   // Followed by int soundum
 839 #define ND_EVENT_SOUND_3D           7   // Followed by int soundum, int angle, int volume
 840 #define ND_EVENT_WALL_HIT_PROCESS   8   // Followed by int segnum, int side, fix damage
 841 #define ND_EVENT_TRIGGER            9   // Followed by int segnum, int side, int objnum
 842 #define ND_EVENT_HOSTAGE_RESCUED    10  // Followed by int hostage_type
 843 #define ND_EVENT_SOUND_3D_ONCE      11  // Followed by int soundum, int angle, int volume
 844 #define ND_EVENT_MORPH_FRAME        12  // Followed by ? data
 845 #define ND_EVENT_WALL_TOGGLE        13  // Followed by int seg, int side
 846 #define ND_EVENT_HUD_MESSAGE        14  // Followed by char size, char * string (+null)
 847 #define ND_EVENT_CONTROL_CENTER_DESTROYED 15 // Just a simple flag
 848 #define ND_EVENT_PALETTE_EFFECT     16  // Followed by short r,g,b
 849 #define ND_EVENT_PLAYER_ENERGY      17  // followed by byte energy
 850 #define ND_EVENT_PLAYER_SHIELD      18  // followed by byte shields
 851 #define ND_EVENT_PLAYER_FLAGS       19  // followed by player flags
 852 #define ND_EVENT_PLAYER_WEAPON      20  // followed by weapon type and weapon number
 853 #define ND_EVENT_EFFECT_BLOWUP      21  // followed by segment, side, and pnt
 854 #define ND_EVENT_HOMING_DISTANCE    22  // followed by homing distance
 855 #define ND_EVENT_LETTERBOX          23  // letterbox mode for death seq.
 856 #define ND_EVENT_RESTORE_COCKPIT    24  // restore cockpit after death
 857 #define ND_EVENT_REARVIEW           25  // going to rear view mode
 858 #define ND_EVENT_WALL_SET_TMAP_NUM1 26  // Wall changed
 859 #define ND_EVENT_WALL_SET_TMAP_NUM2 27  // Wall changed
 860 #define ND_EVENT_NEW_LEVEL          28  // followed by level number
 861 #define ND_EVENT_MULTI_CLOAK        29  // followed by player num
 862 #define ND_EVENT_MULTI_DECLOAK      30  // followed by player num
 863 #define ND_EVENT_RESTORE_REARVIEW   31  // restore cockpit after rearview mode
 864 #define ND_EVENT_MULTI_DEATH        32  // with player number
 865 #define ND_EVENT_MULTI_KILL         33  // with player number
 866 #define ND_EVENT_MULTI_CONNECT      34  // with player number
 867 #define ND_EVENT_MULTI_RECONNECT    35  // with player number
 868 #define ND_EVENT_MULTI_DISCONNECT   36  // with player number
 869 #define ND_EVENT_MULTI_SCORE        37  // playernum / score
 870 #define ND_EVENT_PLAYER_SCORE       38  // followed by score
 871 #define ND_EVENT_PRIMARY_AMMO       39  // with old/new ammo count
 872 #define ND_EVENT_SECONDARY_AMMO     40  // with old/new ammo count
 873 #define ND_EVENT_DOOR_OPENING       41  // with segment/side
 874 #define ND_EVENT_LASER_LEVEL        42  // no data
 875 #define ND_EVENT_PLAYER_AFTERBURNER 43  // followed by byte old ab, current ab
 876 #define ND_EVENT_CLOAKING_WALL      44  // info changing while wall cloaking
 877 #define ND_EVENT_CHANGE_COCKPIT     45  // change the cockpit
 878 #define ND_EVENT_START_GUIDED       46  // switch to guided view
 879 #define ND_EVENT_END_GUIDED         47  // stop guided view/return to ship
 880 #define ND_EVENT_SECRET_THINGY      48  // 0/1 = secret exit functional/non-functional
 881 #define ND_EVENT_LINK_SOUND_TO_OBJ  49  // record digi_link_sound_to_object3
 882 #define ND_EVENT_KILL_SOUND_TO_OBJ  50  // record digi_kill_sound_linked_to_object
 883
 884
 885 #define NORMAL_PLAYBACK         0
 886 #define SKIP_PLAYBACK           1
 887 #define INTERPOLATE_PLAYBACK    2
 888 #define INTERPOL_FACTOR         (F1_0 + (F1_0/5))
 889
 890 #define DEMO_VERSION            15      // last D1 version was 13
 891 #define DEMO_GAME_TYPE          3       // 1 was shareware, 2 registered
 892
 893 #define DEMO_FILENAME           DEMO_DIR "tmpdemo.dem"
 894
 895 #define DEMO_MAX_LEVELS         29
 896
 897
 898 char nd_save_callsign[CALLSIGN_LEN+1];
 899 int Newdemo_state = 0;
 900 int Newdemo_vcr_state = 0;
 901 int Newdemo_start_frame = -1;
 902 unsigned int Newdemo_size;
 903 int Newdemo_num_written;
 904 int Newdemo_game_mode;
 905 int Newdemo_old_cockpit;
 906 byte Newdemo_no_space;
 907 byte Newdemo_at_eof;
 908 byte Newdemo_do_interpolate = 0; // 1
 909 byte Newdemo_players_cloaked;
 910 byte Newdemo_warning_given = 0;
 911 byte Newdemo_cntrlcen_destroyed = 0;
 912 static byte nd_bad_read;
 913 int NewdemoFrameCount;
 914 short frame_bytes_written = 0;
 915 fix nd_playback_total;
 916 fix nd_recorded_total;
 917 fix nd_recorded_time;
 918 byte playback_style;
 919 byte First_time_playback=1;
 920 fix JasonPlaybackTotal=0;
 921
 922
 923 FILE *infile;
 924 FILE *outfile=NULL;
 925
 926 int newdemo_get_percent_done() {
 927         if ( Newdemo_state == ND_STATE_PLAYBACK ) {
 928                 return (ftell(infile)*100)/Newdemo_size;
 929         }
 930         if ( Newdemo_state == ND_STATE_RECORDING ) {
 931                 return ftell(outfile);
 932         }
 933         return 0;
 934 }
 935
 936 #define VEL_PRECISION 12
 937
 938 void my_extract_shortpos(object *objp, shortpos *spp)
 939 {
 940         int segnum;
 941         byte *sp;
 942
 943         sp = spp->bytemat;
 944         objp->orient.rvec.x = *sp++ << MATRIX_PRECISION;
 945         objp->orient.uvec.x = *sp++ << MATRIX_PRECISION;
 946         objp->orient.fvec.x = *sp++ << MATRIX_PRECISION;
 947
 948         objp->orient.rvec.y = *sp++ << MATRIX_PRECISION;
 949         objp->orient.uvec.y = *sp++ << MATRIX_PRECISION;
 950         objp->orient.fvec.y = *sp++ << MATRIX_PRECISION;
 951
 952         objp->orient.rvec.z = *sp++ << MATRIX_PRECISION;
 953         objp->orient.uvec.z = *sp++ << MATRIX_PRECISION;
 954         objp->orient.fvec.z = *sp++ << MATRIX_PRECISION;
 955
 956         segnum = spp->segment;
 957         objp->segnum = segnum;
 958
 959         objp->pos.x = (spp->xo << RELPOS_PRECISION) + Vertices[Segments[segnum].verts[0]].x;
 960         objp->pos.y = (spp->yo << RELPOS_PRECISION) + Vertices[Segments[segnum].verts[0]].y;
 961         objp->pos.z = (spp->zo << RELPOS_PRECISION) + Vertices[Segments[segnum].verts[0]].z;
 962
 963         objp->mtype.phys_info.velocity.x = (spp->velx << VEL_PRECISION);
 964         objp->mtype.phys_info.velocity.y = (spp->vely << VEL_PRECISION);
 965         objp->mtype.phys_info.velocity.z = (spp->velz << VEL_PRECISION);
 966 }
 967
 968 int newdemo_read( void *buffer, int elsize, int nelem )
 969 {
 970         int num_read;
 971         num_read = fread( buffer,elsize,nelem, infile );
 972         if (ferror(infile) || feof(infile))
 973                 nd_bad_read = -1;
 974
 975         return num_read;
 976 }
 977
 978 int newdemo_find_object( int signature )
 979 {
 980         int i;
 981         object * objp;
 982         objp = Objects;
 983         for (i=0; i<=Highest_object_index; i++, objp++ ) {
 984                 if ( (objp->type != OBJ_NONE) && (objp->signature == signature))
 985                         return i;
 986         }
 987         return -1;
 988 }
 989
 990 int newdemo_write( void *buffer, int elsize, int nelem )
 991 {
 992         int num_written, total_size;
 993
 994         total_size = elsize * nelem;
 995         frame_bytes_written += total_size;
 996         Newdemo_num_written += total_size;
 997         Assert(outfile != NULL);
 998         num_written = fwrite( buffer, elsize, nelem, outfile );
 999         //if ((Newdemo_num_written > Newdemo_size) && !Newdemo_no_space) {
1000         //      Newdemo_no_space=1;
1001         //      newdemo_stop_recording();
1002         //      return -1;
1003         //}
1004         if ((Newdemo_num_written > Newdemo_size) && !Newdemo_no_space)
1005                 Newdemo_no_space=1;
1006         if (num_written == nelem && !Newdemo_no_space)
1007                 return num_written;
1008
1009         Newdemo_no_space=2;
1010         newdemo_stop_recording();
1011         return -1;
1012 }
1013
1014 /*
1015  *  The next bunch of files taken from Matt's gamesave.c.  We have to modify
1016  *  these since the demo must save more information about objects that
1017  *  just a gamesave
1018 */
1019
1020 static void nd_write_byte(byte b)
1021 {
1022         newdemo_write(&b, 1, 1);
1023 }
1024
1025 static void nd_write_short(short s)
1026 {
1027         newdemo_write(&s, 2, 1);
1028 }
1029
1030 static void nd_write_int(int i)
1031 {
1032         newdemo_write(&i, 4, 1);
1033 }
1034
1035 static void nd_write_string(char *str)
1036 {
1037         nd_write_byte(strlen(str) + 1);
1038         newdemo_write(str, strlen(str) + 1, 1);
1039 }
1040
1041 static void nd_write_fix(fix f)
1042 {
1043         newdemo_write(&f, sizeof(fix), 1);
1044 }
1045
1046 static void nd_write_fixang(fixang f)
1047 {
1048         newdemo_write(&f, sizeof(fixang), 1);
1049 }
1050
1051 static void nd_write_vector(vms_vector *v)
1052 {
1053         nd_write_fix(v->x);
1054         nd_write_fix(v->y);
1055         nd_write_fix(v->z);
1056 }
1057
1058 static void nd_write_angvec(vms_angvec *v)
1059 {
1060         nd_write_fixang(v->p);
1061         nd_write_fixang(v->b);
1062         nd_write_fixang(v->h);
1063 }
1064
1065 void nd_write_shortpos(object *obj)
1066 {
1067         int i;
1068         shortpos sp;
1069         ubyte render_type;
1070
1071         create_shortpos(&sp, obj, 0);
1072
1073         render_type = obj->render_type;
1074         if (((render_type == RT_POLYOBJ) || (render_type == RT_HOSTAGE) || (render_type == RT_MORPH)) || (obj->type == OBJ_CAMERA)) {
1075                 for (i = 0; i < 9; i++)
1076                         nd_write_byte(sp.bytemat[i]);
1077                 for (i = 0; i < 9; i++) {
1078                         if (sp.bytemat[i] != 0)
1079                                 break;
1080                 }
1081                 if (i == 9) {
1082                         Int3();         // contact Allender about this.
1083                 }
1084         }
1085
1086         nd_write_short(sp.xo);
1087         nd_write_short(sp.yo);
1088         nd_write_short(sp.zo);
1089         nd_write_short(sp.segment);
1090         nd_write_short(sp.velx);
1091         nd_write_short(sp.vely);
1092         nd_write_short(sp.velz);
1093 }
1094
1095 static void nd_read_byte(byte *b)
1096 {
1097         newdemo_read(b, 1, 1);
1098 }
1099
1100 static void nd_read_short(short *s)
1101 {
1102         newdemo_read(s, 2, 1);
1103 }
1104
1105 static void nd_read_int(int *i)
1106 {
1107         newdemo_read(i, 4, 1);
1108 }
1109
1110 static void nd_read_string(char *str)
1111 {
1112         byte len;
1113
1114         nd_read_byte(&len);
1115         newdemo_read(str, len, 1);
1116 }
1117
1118 static void nd_read_fix(fix *f)
1119 {
1120         newdemo_read(f, sizeof(fix), 1);
1121 }
1122
1123 static void nd_read_fixang(fixang *f)
1124 {
1125         newdemo_read(f, sizeof(fixang), 1);
1126 }
1127
1128 static void nd_read_vector(vms_vector *v)
1129 {
1130         nd_read_fix(&(v->x));
1131         nd_read_fix(&(v->y));
1132         nd_read_fix(&(v->z));
1133 }
1134
1135 static void nd_read_angvec(vms_angvec *v)
1136 {
1137         nd_read_fixang(&(v->p));
1138         nd_read_fixang(&(v->b));
1139         nd_read_fixang(&(v->h));
1140 }
1141
1142 static void nd_read_shortpos(object *obj)
1143 {
1144         shortpos sp;
1145         int i;
1146         ubyte render_type;
1147
1148         render_type = obj->render_type;
1149         if (((render_type == RT_POLYOBJ) || (render_type == RT_HOSTAGE) || (render_type == RT_MORPH)) || (obj->type == OBJ_CAMERA)) {
1150                 for (i = 0; i < 9; i++)
1151                         nd_read_byte(&(sp.bytemat[i]));
1152         }
1153
1154         nd_read_short(&(sp.xo));
1155         nd_read_short(&(sp.yo));
1156         nd_read_short(&(sp.zo));
1157         nd_read_short(&(sp.segment));
1158         nd_read_short(&(sp.velx));
1159         nd_read_short(&(sp.vely));
1160         nd_read_short(&(sp.velz));
1161
1162         my_extract_shortpos(obj, &sp);
1163         if ((obj->id == VCLIP_MORPHING_ROBOT) && (render_type == RT_FIREBALL) && (obj->control_type == CT_EXPLOSION))
1164                 extract_orient_from_segment(&obj->orient,&Segments[obj->segnum]);
1165
1166 }
1167
1168 object *prev_obj=NULL;      //ptr to last object read in
1169
1170 void nd_read_object(object *obj)
1171 {
1172         memset(obj, 0, sizeof(object));
1173
1174         /*
1175          * Do render type first, since with render_type == RT_NONE, we
1176          * blow by all other object information
1177          */
1178         nd_read_byte(&(obj->render_type));
1179         nd_read_byte(&(obj->type));
1180         if ((obj->render_type == RT_NONE) && (obj->type != OBJ_CAMERA))
1181                 return;
1182
1183         nd_read_byte(&(obj->id));
1184         nd_read_byte(&(obj->flags));
1185         nd_read_short((short *)&(obj->signature));
1186         nd_read_shortpos(obj);
1187
1188         if ((obj->type == OBJ_ROBOT) && (obj->id == SPECIAL_REACTOR_ROBOT))
1189                 Int3();
1190
1191         obj->attached_obj = -1;
1192
1193         switch(obj->type) {
1194
1195         case OBJ_HOSTAGE:
1196                 obj->control_type = CT_POWERUP;
1197                 obj->movement_type = MT_NONE;
1198                 obj->size = HOSTAGE_SIZE;
1199                 break;
1200
1201         case OBJ_ROBOT:
1202                 obj->control_type = CT_AI;
1203                 // (MarkA and MikeK said we should not do the crazy last secret stuff with multiple reactors...
1204                 // This necessary code is our vindication. --MK, 2/15/96)
1205                 if (obj->id != SPECIAL_REACTOR_ROBOT)
1206                         obj->movement_type = MT_PHYSICS;
1207                 else
1208                         obj->movement_type = MT_NONE;
1209                 obj->size = Polygon_models[Robot_info[obj->id].model_num].rad;
1210                 obj->rtype.pobj_info.model_num = Robot_info[obj->id].model_num;
1211                 obj->rtype.pobj_info.subobj_flags = 0;
1212                 obj->ctype.ai_info.CLOAKED = (Robot_info[obj->id].cloak_type?1:0);
1213                 break;
1214
1215         case OBJ_POWERUP:
1216                 obj->control_type = CT_POWERUP;
1217                 nd_read_byte(&(obj->movement_type));        // might have physics movement
1218                 obj->size = Powerup_info[obj->id].size;
1219                 break;
1220
1221         case OBJ_PLAYER:
1222                 obj->control_type = CT_NONE;
1223                 obj->movement_type = MT_PHYSICS;
1224                 obj->size = Polygon_models[Player_ship->model_num].rad;
1225                 obj->rtype.pobj_info.model_num = Player_ship->model_num;
1226                 obj->rtype.pobj_info.subobj_flags = 0;
1227                 break;
1228
1229         case OBJ_CLUTTER:
1230                 obj->control_type = CT_NONE;
1231                 obj->movement_type = MT_NONE;
1232                 obj->size = Polygon_models[obj->id].rad;
1233                 obj->rtype.pobj_info.model_num = obj->id;
1234                 obj->rtype.pobj_info.subobj_flags = 0;
1235                 break;
1236
1237         default:
1238                 nd_read_byte(&(obj->control_type));
1239                 nd_read_byte(&(obj->movement_type));
1240                 nd_read_fix(&(obj->size));
1241                 break;
1242         }
1243
1244
1245         nd_read_vector(&(obj->last_pos));
1246         if ((obj->type == OBJ_WEAPON) && (obj->render_type == RT_WEAPON_VCLIP))
1247                 nd_read_fix(&(obj->lifeleft));
1248         else {
1249                 ubyte b;
1250
1251                 nd_read_byte(&b);
1252                 obj->lifeleft = (fix)b;
1253                 // MWA old way -- won't work with big endian machines       nd_read_byte((ubyte *)&(obj->lifeleft));
1254                 obj->lifeleft = (fix)((int)obj->lifeleft << 12);
1255         }
1256
1257         if (obj->type == OBJ_ROBOT) {
1258                 if (Robot_info[obj->id].boss_flag) {
1259                         byte cloaked;
1260
1261                         nd_read_byte(&cloaked);
1262                         obj->ctype.ai_info.CLOAKED = cloaked;
1263                 }
1264         }
1265
1266         switch (obj->movement_type) {
1267
1268         case MT_PHYSICS:
1269                 nd_read_vector(&(obj->mtype.phys_info.velocity));
1270                 nd_read_vector(&(obj->mtype.phys_info.thrust));
1271                 break;
1272
1273         case MT_SPINNING:
1274                 nd_read_vector(&(obj->mtype.spin_rate));
1275                 break;
1276
1277         case MT_NONE:
1278                 break;
1279
1280         default:
1281                 Int3();
1282         }
1283
1284         switch (obj->control_type) {
1285
1286         case CT_EXPLOSION:
1287
1288                 nd_read_fix(&(obj->ctype.expl_info.spawn_time));
1289                 nd_read_fix(&(obj->ctype.expl_info.delete_time));
1290                 nd_read_short(&(obj->ctype.expl_info.delete_objnum));
1291
1292                 obj->ctype.expl_info.next_attach = obj->ctype.expl_info.prev_attach = obj->ctype.expl_info.attach_parent = -1;
1293
1294                 if (obj->flags & OF_ATTACHED) {     //attach to previous object
1295                         Assert(prev_obj!=NULL);
1296                         if (prev_obj->control_type == CT_EXPLOSION) {
1297                                 if (prev_obj->flags & OF_ATTACHED && prev_obj->ctype.expl_info.attach_parent!=-1)
1298                                         obj_attach(&Objects[prev_obj->ctype.expl_info.attach_parent],obj);
1299                                 else
1300                                         obj->flags &= ~OF_ATTACHED;
1301                         }
1302                         else
1303                                 obj_attach(prev_obj,obj);
1304                 }
1305
1306                 break;
1307
1308         case CT_LIGHT:
1309                 nd_read_fix(&(obj->ctype.light_info.intensity));
1310                 break;
1311
1312         case CT_AI:
1313         case CT_WEAPON:
1314         case CT_NONE:
1315         case CT_FLYING:
1316         case CT_DEBRIS:
1317         case CT_POWERUP:
1318         case CT_SLEW:
1319         case CT_CNTRLCEN:
1320         case CT_REMOTE:
1321         case CT_MORPH:
1322                 break;
1323
1324         case CT_FLYTHROUGH:
1325         case CT_REPAIRCEN:
1326         default:
1327                 Int3();
1328
1329         }
1330
1331         switch (obj->render_type) {
1332
1333         case RT_NONE:
1334                 break;
1335
1336         case RT_MORPH:
1337         case RT_POLYOBJ: {
1338                 int i, tmo;
1339
1340                 if ((obj->type != OBJ_ROBOT) && (obj->type != OBJ_PLAYER) && (obj->type != OBJ_CLUTTER)) {
1341                         nd_read_int(&(obj->rtype.pobj_info.model_num));
1342                         nd_read_int(&(obj->rtype.pobj_info.subobj_flags));
1343                 }
1344
1345                 if ((obj->type != OBJ_PLAYER) && (obj->type != OBJ_DEBRIS))
1346 #if 0
1347                         for (i=0;i<MAX_SUBMODELS;i++)
1348                                 nd_read_angvec(&(obj->pobj_info.anim_angles[i]));
1349 #endif
1350                 for (i = 0; i < Polygon_models[obj->rtype.pobj_info.model_num].n_models; i++)
1351                         nd_read_angvec(&obj->rtype.pobj_info.anim_angles[i]);
1352
1353                 nd_read_int(&tmo);
1354
1355 #ifndef EDITOR
1356                 obj->rtype.pobj_info.tmap_override = tmo;
1357 #else
1358                 if (tmo==-1)
1359                         obj->rtype.pobj_info.tmap_override = -1;
1360                 else {
1361                         int xlated_tmo = tmap_xlate_table[tmo];
1362                         if (xlated_tmo < 0) {
1363                                 //mprintf( (0, "Couldn't find texture for demo object, model_num = %d\n", obj->pobj_info.model_num));
1364                                 Int3();
1365                                 xlated_tmo = 0;
1366                         }
1367                         obj->rtype.pobj_info.tmap_override = xlated_tmo;
1368                 }
1369 #endif
1370
1371                 break;
1372         }
1373
1374         case RT_POWERUP:
1375         case RT_WEAPON_VCLIP:
1376         case RT_FIREBALL:
1377         case RT_HOSTAGE:
1378                 nd_read_int(&(obj->rtype.vclip_info.vclip_num));
1379                 nd_read_fix(&(obj->rtype.vclip_info.frametime));
1380                 nd_read_byte(&(obj->rtype.vclip_info.framenum));
1381                 break;
1382
1383         case RT_LASER:
1384                 break;
1385
1386         default:
1387                 Int3();
1388
1389         }
1390
1391         prev_obj = obj;
1392 }
1393
1394 void nd_write_object(object *obj)
1395 {
1396         int life;
1397
1398         if ((obj->type == OBJ_ROBOT) && (obj->id == SPECIAL_REACTOR_ROBOT))
1399                 Int3();
1400
1401         /*
1402          * Do render_type first so on read, we can make determination of
1403          * what else to read in
1404          */
1405         nd_write_byte(obj->render_type);
1406         nd_write_byte(obj->type);
1407         if ((obj->render_type == RT_NONE) && (obj->type != OBJ_CAMERA))
1408                 return;
1409
1410         nd_write_byte(obj->id);
1411         nd_write_byte(obj->flags);
1412         nd_write_short((short)obj->signature);
1413         nd_write_shortpos(obj);
1414
1415         if ((obj->type != OBJ_HOSTAGE) && (obj->type != OBJ_ROBOT) && (obj->type != OBJ_PLAYER) && (obj->type != OBJ_POWERUP) && (obj->type != OBJ_CLUTTER)) {
1416                 nd_write_byte(obj->control_type);
1417                 nd_write_byte(obj->movement_type);
1418                 nd_write_fix(obj->size);
1419         }
1420         if (obj->type == OBJ_POWERUP)
1421                 nd_write_byte(obj->movement_type);
1422
1423         nd_write_vector(&obj->last_pos);
1424
1425         if ((obj->type == OBJ_WEAPON) && (obj->render_type == RT_WEAPON_VCLIP))
1426                 nd_write_fix(obj->lifeleft);
1427         else {
1428                 life = (int)obj->lifeleft;
1429                 life = life >> 12;
1430                 if (life > 255)
1431                         life = 255;
1432                 nd_write_byte((ubyte)life);
1433         }
1434
1435         if (obj->type == OBJ_ROBOT) {
1436                 if (Robot_info[obj->id].boss_flag) {
1437                         if ((GameTime > Boss_cloak_start_time) && (GameTime < Boss_cloak_end_time))
1438                                 nd_write_byte(1);
1439                         else
1440                                 nd_write_byte(0);
1441                 }
1442         }
1443
1444         switch (obj->movement_type) {
1445
1446         case MT_PHYSICS:
1447                 nd_write_vector(&obj->mtype.phys_info.velocity);
1448                 nd_write_vector(&obj->mtype.phys_info.thrust);
1449                 break;
1450
1451         case MT_SPINNING:
1452                 nd_write_vector(&obj->mtype.spin_rate);
1453                 break;
1454
1455         case MT_NONE:
1456                 break;
1457
1458         default:
1459                 Int3();
1460         }
1461
1462         switch (obj->control_type) {
1463
1464         case CT_AI:
1465                 break;
1466
1467         case CT_EXPLOSION:
1468                 nd_write_fix(obj->ctype.expl_info.spawn_time);
1469                 nd_write_fix(obj->ctype.expl_info.delete_time);
1470                 nd_write_short(obj->ctype.expl_info.delete_objnum);
1471                 break;
1472
1473         case CT_WEAPON:
1474                 break;
1475
1476         case CT_LIGHT:
1477
1478                 nd_write_fix(obj->ctype.light_info.intensity);
1479                 break;
1480
1481         case CT_NONE:
1482         case CT_FLYING:
1483         case CT_DEBRIS:
1484         case CT_POWERUP:
1485         case CT_SLEW:       //the player is generally saved as slew
1486         case CT_CNTRLCEN:
1487         case CT_REMOTE:
1488         case CT_MORPH:
1489                 break;
1490
1491         case CT_REPAIRCEN:
1492         case CT_FLYTHROUGH:
1493         default:
1494                 Int3();
1495
1496         }
1497
1498         switch (obj->render_type) {
1499
1500         case RT_NONE:
1501                 break;
1502
1503         case RT_MORPH:
1504         case RT_POLYOBJ: {
1505                 int i;
1506
1507                 if ((obj->type != OBJ_ROBOT) && (obj->type != OBJ_PLAYER) && (obj->type != OBJ_CLUTTER)) {
1508                         nd_write_int(obj->rtype.pobj_info.model_num);
1509                         nd_write_int(obj->rtype.pobj_info.subobj_flags);
1510                 }
1511
1512                 if ((obj->type != OBJ_PLAYER) && (obj->type != OBJ_DEBRIS))
1513 #if 0
1514                         for (i=0;i<MAX_SUBMODELS;i++)
1515                                 nd_write_angvec(&obj->pobj_info.anim_angles[i]);
1516 #endif
1517                 for (i = 0; i < Polygon_models[obj->rtype.pobj_info.model_num].n_models; i++)
1518                         nd_write_angvec(&obj->rtype.pobj_info.anim_angles[i]);
1519
1520                 nd_write_int(obj->rtype.pobj_info.tmap_override);
1521
1522                 break;
1523         }
1524
1525         case RT_POWERUP:
1526         case RT_WEAPON_VCLIP:
1527         case RT_FIREBALL:
1528         case RT_HOSTAGE:
1529                 nd_write_int(obj->rtype.vclip_info.vclip_num);
1530                 nd_write_fix(obj->rtype.vclip_info.frametime);
1531                 nd_write_byte(obj->rtype.vclip_info.framenum);
1532                 break;
1533
1534         case RT_LASER:
1535                 break;
1536
1537         default:
1538                 Int3();
1539
1540         }
1541
1542 }
1543
1544 int JustStartedRecording=0,JustStartedPlayback=0;
1545
1546 void newdemo_record_start_demo()
1547 {
1548         int i;
1549
1550         stop_time();
1551         nd_write_byte(ND_EVENT_START_DEMO);
1552         nd_write_byte(DEMO_VERSION);
1553         nd_write_byte(DEMO_GAME_TYPE);
1554         nd_write_fix(GameTime);
1555
1556 #ifdef NETWORK
1557         if (Game_mode & GM_MULTI)
1558                 nd_write_int(Game_mode | (Player_num << 16));
1559         else
1560 #endif
1561                 // NOTE LINK TO ABOVE!!!
1562                 nd_write_int(Game_mode);
1563 #ifdef NETWORK
1564
1565         if (Game_mode & GM_TEAM) {
1566                 nd_write_byte(Netgame.team_vector);
1567                 nd_write_string(Netgame.team_name[0]);
1568                 nd_write_string(Netgame.team_name[1]);
1569         }
1570
1571         if (Game_mode & GM_MULTI) {
1572                 nd_write_byte((byte)N_players);
1573                 for (i = 0; i < N_players; i++) {
1574                         nd_write_string(Players[i].callsign);
1575                         nd_write_byte(Players[i].connected);
1576
1577                         if (Game_mode & GM_MULTI_COOP) {
1578                                 nd_write_int(Players[i].score);
1579                         } else {
1580                                 nd_write_short((short)Players[i].net_killed_total);
1581                                 nd_write_short((short)Players[i].net_kills_total);
1582                         }
1583                 }
1584         } else
1585 #endif
1586                 // NOTE LINK TO ABOVE!!!
1587                 nd_write_int(Players[Player_num].score);
1588
1589         for (i = 0; i < MAX_PRIMARY_WEAPONS; i++)
1590                 nd_write_short((short)Players[Player_num].primary_ammo[i]);
1591
1592         for (i = 0; i < MAX_SECONDARY_WEAPONS; i++)
1593                 nd_write_short((short)Players[Player_num].secondary_ammo[i]);
1594
1595         nd_write_byte((byte)Players[Player_num].laser_level);
1596
1597 //  Support for missions added here
1598
1599         nd_write_string(Current_mission_filename);
1600
1601         nd_write_byte((byte)(f2ir(Players[Player_num].energy)));
1602         nd_write_byte((byte)(f2ir(Players[Player_num].shields)));
1603         nd_write_int(Players[Player_num].flags);        // be sure players flags are set
1604         nd_write_byte((byte)Primary_weapon);
1605         nd_write_byte((byte)Secondary_weapon);
1606         Newdemo_start_frame = FrameCount;
1607         JustStartedRecording=1;
1608
1609         newdemo_set_new_level(Current_level_num);
1610         start_time();
1611
1612 }
1613
1614 void newdemo_record_start_frame(int frame_number, fix frame_time )
1615 {
1616         int i;
1617
1618         if (Newdemo_no_space) {
1619                 newdemo_stop_playback();
1620                 return;
1621         }
1622
1623         stop_time();
1624
1625         for (i=0;i<MAX_OBJECTS;i++)
1626         {
1627                 WasRecorded[i]=0;
1628                 ViewWasRecorded[i]=0;
1629         }
1630         for (i=0;i<32;i++)
1631                 RenderingWasRecorded[i]=0;
1632
1633         frame_number -= Newdemo_start_frame;
1634
1635         Assert(frame_number >= 0 );
1636
1637         nd_write_byte(ND_EVENT_START_FRAME);
1638         nd_write_short(frame_bytes_written - 1);        // from previous frame
1639         frame_bytes_written=3;
1640         nd_write_int(frame_number);
1641         nd_write_int(frame_time);
1642         start_time();
1643
1644 }
1645
1646 void newdemo_record_render_object(object * obj)
1647 {
1648         if (ViewWasRecorded[obj-Objects])
1649                 return;
1650
1651         //if (obj==&Objects[Players[Player_num].objnum] && !Player_is_dead)
1652         //      return;
1653
1654         stop_time();
1655         nd_write_byte(ND_EVENT_RENDER_OBJECT);
1656         nd_write_object(obj);
1657         start_time();
1658 }
1659
1660 extern ubyte RenderingType;
1661
1662 void newdemo_record_viewer_object(object * obj)
1663 {
1664
1665         if (ViewWasRecorded[obj-Objects] && (ViewWasRecorded[obj-Objects]-1)==RenderingType)
1666                 return;
1667         //if (WasRecorded[obj-Objects])
1668         //      return;
1669         if (RenderingWasRecorded[RenderingType])
1670                 return;
1671
1672         ViewWasRecorded[obj-Objects]=RenderingType+1;
1673         RenderingWasRecorded[RenderingType]=1;
1674         stop_time();
1675         nd_write_byte(ND_EVENT_VIEWER_OBJECT);
1676         nd_write_byte(RenderingType);
1677         nd_write_object(obj);
1678         start_time();
1679 }
1680
1681 void newdemo_record_sound( int soundno )
1682 {
1683         stop_time();
1684         nd_write_byte(ND_EVENT_SOUND);
1685         nd_write_int( soundno );
1686         start_time();
1687 }
1688
1689 //--unused-- void newdemo_record_sound_once( int soundno ) {
1690 //--unused--    stop_time();
1691 //--unused--    nd_write_byte( ND_EVENT_SOUND_ONCE );
1692 //--unused--    nd_write_int( soundno );
1693 //--unused--    start_time();
1694 //--unused-- }
1695 //--unused--
1696
1697 void newdemo_record_cockpit_change (int mode)
1698 {
1699         stop_time();
1700         nd_write_byte (ND_EVENT_CHANGE_COCKPIT);
1701         nd_write_int(mode);
1702         start_time();
1703 }
1704
1705
1706 void newdemo_record_sound_3d( int soundno, int angle, int volume )
1707 {
1708         stop_time();
1709         nd_write_byte( ND_EVENT_SOUND_3D );
1710         nd_write_int( soundno );
1711         nd_write_int( angle );
1712         nd_write_int( volume );
1713         start_time();
1714 }
1715
1716 void newdemo_record_sound_3d_once( int soundno, int angle, int volume )
1717 {
1718         stop_time();
1719         nd_write_byte( ND_EVENT_SOUND_3D_ONCE );
1720         nd_write_int( soundno );
1721         nd_write_int( angle );
1722         nd_write_int( volume );
1723         start_time();
1724 }
1725
1726
1727 void newdemo_record_link_sound_to_object3( int soundno, short objnum, fix max_volume, fix  max_distance, int loop_start, int loop_end )
1728 {
1729         stop_time();
1730         nd_write_byte( ND_EVENT_LINK_SOUND_TO_OBJ );
1731         nd_write_int( soundno );
1732         nd_write_int( Objects[objnum].signature );
1733         nd_write_int( max_volume );
1734         nd_write_int( max_distance );
1735         nd_write_int( loop_start );
1736         nd_write_int( loop_end );
1737         start_time();
1738 }
1739
1740 void newdemo_record_kill_sound_linked_to_object( int objnum )
1741 {
1742         stop_time();
1743         nd_write_byte( ND_EVENT_KILL_SOUND_TO_OBJ );
1744         nd_write_int( Objects[objnum].signature );
1745         start_time();
1746 }
1747
1748
1749 void newdemo_record_wall_hit_process( int segnum, int side, int damage, int playernum )
1750 {
1751         stop_time();
1752         //segnum = segnum;
1753         //side = side;
1754         //damage = damage;
1755         //playernum = playernum;
1756         nd_write_byte( ND_EVENT_WALL_HIT_PROCESS );
1757         nd_write_int( segnum );
1758         nd_write_int( side );
1759         nd_write_int( damage );
1760         nd_write_int( playernum );
1761         start_time();
1762 }
1763
1764 void newdemo_record_guided_start ()
1765 {
1766         nd_write_byte (ND_EVENT_START_GUIDED);
1767 }
1768
1769 void newdemo_record_guided_end ()
1770 {
1771         nd_write_byte (ND_EVENT_END_GUIDED);
1772 }
1773
1774 void newdemo_record_secret_exit_blown(int truth)
1775 {
1776         stop_time();
1777         nd_write_byte( ND_EVENT_SECRET_THINGY );
1778         nd_write_int( truth );
1779         start_time();
1780 }
1781
1782 void newdemo_record_trigger( int segnum, int side, int objnum,int shot )
1783 {
1784         stop_time();
1785         nd_write_byte( ND_EVENT_TRIGGER );
1786         nd_write_int( segnum );
1787         nd_write_int( side );
1788         nd_write_int( objnum );
1789         nd_write_int(shot);
1790         start_time();
1791 }
1792
1793 void newdemo_record_hostage_rescued( int hostage_number ) {
1794         stop_time();
1795         nd_write_byte( ND_EVENT_HOSTAGE_RESCUED );
1796         nd_write_int( hostage_number );
1797         start_time();
1798 }
1799
1800 void newdemo_record_morph_frame(morph_data *md)
1801 {
1802         stop_time();
1803
1804         nd_write_byte( ND_EVENT_MORPH_FRAME );
1805 #if 0
1806         newdemo_write( md->morph_vecs, sizeof(md->morph_vecs), 1 );
1807         newdemo_write( md->submodel_active, sizeof(md->submodel_active), 1 );
1808         newdemo_write( md->submodel_startpoints, sizeof(md->submodel_startpoints), 1 );
1809 #endif
1810         nd_write_object( md->obj );
1811         start_time();
1812 }
1813
1814 void newdemo_record_wall_toggle( int segnum, int side )
1815 {
1816         stop_time();
1817         nd_write_byte( ND_EVENT_WALL_TOGGLE );
1818         nd_write_int( segnum );
1819         nd_write_int( side );
1820         start_time();
1821 }
1822
1823 void newdemo_record_control_center_destroyed()
1824 {
1825         stop_time();
1826         nd_write_byte( ND_EVENT_CONTROL_CENTER_DESTROYED );
1827         nd_write_int( Countdown_seconds_left );
1828         start_time();
1829 }
1830
1831 void newdemo_record_hud_message( char * message )
1832 {
1833         stop_time();
1834         nd_write_byte( ND_EVENT_HUD_MESSAGE );
1835         nd_write_string(message);
1836         start_time();
1837 }
1838
1839 void newdemo_record_palette_effect(short r, short g, short b )
1840 {
1841         stop_time();
1842         nd_write_byte( ND_EVENT_PALETTE_EFFECT );
1843         nd_write_short( r );
1844         nd_write_short( g );
1845         nd_write_short( b );
1846         start_time();
1847 }
1848
1849 void newdemo_record_player_energy(int old_energy, int energy)
1850 {
1851         stop_time();
1852         nd_write_byte( ND_EVENT_PLAYER_ENERGY );
1853         nd_write_byte((byte) old_energy);
1854         nd_write_byte((byte) energy);
1855         start_time();
1856 }
1857
1858 void newdemo_record_player_afterburner(fix old_afterburner, fix afterburner)
1859 {
1860         stop_time();
1861         nd_write_byte( ND_EVENT_PLAYER_AFTERBURNER );
1862         nd_write_byte((byte) (old_afterburner>>9));
1863         nd_write_byte((byte) (afterburner>>9));
1864         start_time();
1865 }
1866
1867 void newdemo_record_player_shields(int old_shield, int shield)
1868 {
1869         stop_time();
1870         nd_write_byte( ND_EVENT_PLAYER_SHIELD );
1871         nd_write_byte((byte)old_shield);
1872         nd_write_byte((byte)shield);
1873         start_time();
1874 }
1875
1876 void newdemo_record_player_flags(uint oflags, uint flags)
1877 {
1878         stop_time();
1879         nd_write_byte( ND_EVENT_PLAYER_FLAGS );
1880         nd_write_int(((short)oflags << 16) | (short)flags);
1881         start_time();
1882 }
1883
1884 void newdemo_record_player_weapon(int weapon_type, int weapon_num)
1885 {
1886         stop_time();
1887         nd_write_byte( ND_EVENT_PLAYER_WEAPON );
1888         nd_write_byte((byte)weapon_type);
1889         nd_write_byte((byte)weapon_num);
1890         if (weapon_type)
1891                 nd_write_byte((byte)Secondary_weapon);
1892         else
1893                 nd_write_byte((byte)Primary_weapon);
1894         start_time();
1895 }
1896
1897 void newdemo_record_effect_blowup(short segment, int side, vms_vector *pnt)
1898 {
1899         stop_time();
1900         nd_write_byte (ND_EVENT_EFFECT_BLOWUP);
1901         nd_write_short(segment);
1902         nd_write_byte((byte)side);
1903         nd_write_vector(pnt);
1904         start_time();
1905 }
1906
1907 void newdemo_record_homing_distance(fix distance)
1908 {
1909         stop_time();
1910         nd_write_byte(ND_EVENT_HOMING_DISTANCE);
1911         nd_write_short((short)(distance>>16));
1912         start_time();
1913 }
1914
1915 void newdemo_record_letterbox(void)
1916 {
1917         stop_time();
1918         nd_write_byte(ND_EVENT_LETTERBOX);
1919         start_time();
1920 }
1921
1922 void newdemo_record_rearview(void)
1923 {
1924         stop_time();
1925         nd_write_byte(ND_EVENT_REARVIEW);
1926         start_time();
1927 }
1928
1929 void newdemo_record_restore_cockpit(void)
1930 {
1931         stop_time();
1932         nd_write_byte(ND_EVENT_RESTORE_COCKPIT);
1933         start_time();
1934 }
1935
1936 void newdemo_record_restore_rearview(void)
1937 {
1938         stop_time();
1939         nd_write_byte(ND_EVENT_RESTORE_REARVIEW);
1940         start_time();
1941 }
1942
1943 void newdemo_record_wall_set_tmap_num1(short seg,ubyte side,short cseg,ubyte cside,short tmap)
1944 {
1945         stop_time();
1946         nd_write_byte(ND_EVENT_WALL_SET_TMAP_NUM1);
1947         nd_write_short(seg);
1948         nd_write_byte(side);
1949         nd_write_short(cseg);
1950         nd_write_byte(cside);
1951         nd_write_short(tmap);
1952         start_time();
1953 }
1954
1955 void newdemo_record_wall_set_tmap_num2(short seg,ubyte side,short cseg,ubyte cside,short tmap)
1956 {
1957         stop_time();
1958         nd_write_byte(ND_EVENT_WALL_SET_TMAP_NUM2);
1959         nd_write_short(seg);
1960         nd_write_byte(side);
1961         nd_write_short(cseg);
1962         nd_write_byte(cside);
1963         nd_write_short(tmap);
1964         start_time();
1965 }
1966
1967 void newdemo_record_multi_cloak(int pnum)
1968 {
1969         stop_time();
1970         nd_write_byte(ND_EVENT_MULTI_CLOAK);
1971         nd_write_byte((byte)pnum);
1972         start_time();
1973 }
1974
1975 void newdemo_record_multi_decloak(int pnum)
1976 {
1977         stop_time();
1978         nd_write_byte(ND_EVENT_MULTI_DECLOAK);
1979         nd_write_byte((byte)pnum);
1980         start_time();
1981 }
1982
1983 void newdemo_record_multi_death(int pnum)
1984 {
1985         stop_time();
1986         nd_write_byte(ND_EVENT_MULTI_DEATH);
1987         nd_write_byte((byte)pnum);
1988         start_time();
1989 }
1990
1991 void newdemo_record_multi_kill(int pnum, byte kill)
1992 {
1993         stop_time();
1994         nd_write_byte(ND_EVENT_MULTI_KILL);
1995         nd_write_byte((byte)pnum);
1996         nd_write_byte(kill);
1997         start_time();
1998 }
1999
2000 void newdemo_record_multi_connect(int pnum, int new_player, char *new_callsign)
2001 {
2002         stop_time();
2003         nd_write_byte(ND_EVENT_MULTI_CONNECT);
2004         nd_write_byte((byte)pnum);
2005         nd_write_byte((byte)new_player);
2006         if (!new_player) {
2007                 nd_write_string(Players[pnum].callsign);
2008                 nd_write_int(Players[pnum].net_killed_total);
2009                 nd_write_int(Players[pnum].net_kills_total);
2010         }
2011         nd_write_string(new_callsign);
2012         start_time();
2013 }
2014
2015 void newdemo_record_multi_reconnect(int pnum)
2016 {
2017         stop_time();
2018         nd_write_byte(ND_EVENT_MULTI_RECONNECT);
2019         nd_write_byte((byte)pnum);
2020         start_time();
2021 }
2022
2023 void newdemo_record_multi_disconnect(int pnum)
2024 {
2025         stop_time();
2026         nd_write_byte(ND_EVENT_MULTI_DISCONNECT);
2027         nd_write_byte((byte)pnum);
2028         start_time();
2029 }
2030
2031 void newdemo_record_player_score(int score)
2032 {
2033         stop_time();
2034         nd_write_byte(ND_EVENT_PLAYER_SCORE);
2035         nd_write_int(score);
2036         start_time();
2037 }
2038
2039 void newdemo_record_multi_score(int pnum, int score)
2040 {
2041         stop_time();
2042         nd_write_byte(ND_EVENT_MULTI_SCORE);
2043         nd_write_byte((byte)pnum);
2044         nd_write_int(score - Players[pnum].score);      // called before score is changed!!!!
2045         start_time();
2046 }
2047
2048 void newdemo_record_primary_ammo(int old_ammo, int new_ammo)
2049 {
2050         stop_time();
2051         nd_write_byte(ND_EVENT_PRIMARY_AMMO);
2052         if (old_ammo < 0)
2053                 nd_write_short((short)new_ammo);
2054         else
2055                 nd_write_short((short)old_ammo);
2056         nd_write_short((short)new_ammo);
2057         start_time();
2058 }
2059
2060 void newdemo_record_secondary_ammo(int old_ammo, int new_ammo)
2061 {
2062         stop_time();
2063         nd_write_byte(ND_EVENT_SECONDARY_AMMO);
2064         if (old_ammo < 0)
2065                 nd_write_short((short)new_ammo);
2066         else
2067                 nd_write_short((short)old_ammo);
2068         nd_write_short((short)new_ammo);
2069         start_time();
2070 }
2071
2072 void newdemo_record_door_opening(int segnum, int side)
2073 {
2074         stop_time();
2075         nd_write_byte(ND_EVENT_DOOR_OPENING);
2076         nd_write_short((short)segnum);
2077         nd_write_byte((byte)side);
2078         start_time();
2079 }
2080
2081 void newdemo_record_laser_level(byte old_level, byte new_level)
2082 {
2083         stop_time();
2084         nd_write_byte(ND_EVENT_LASER_LEVEL);
2085         nd_write_byte(old_level);
2086         nd_write_byte(new_level);
2087         start_time();
2088 }
2089
2090 void newdemo_record_cloaking_wall(int front_wall_num, int back_wall_num, ubyte type, ubyte state, fix cloak_value, fix l0, fix l1, fix l2, fix l3)
2091 {
2092         Assert(front_wall_num <= 255 && back_wall_num <= 255);
2093
2094         stop_time();
2095         nd_write_byte(ND_EVENT_CLOAKING_WALL);
2096         nd_write_byte(front_wall_num);
2097         nd_write_byte(back_wall_num);
2098         nd_write_byte(type);
2099         nd_write_byte(state);
2100         nd_write_byte(cloak_value);
2101         nd_write_short(l0>>8);
2102         nd_write_short(l1>>8);
2103         nd_write_short(l2>>8);
2104         nd_write_short(l3>>8);
2105         start_time();
2106 }
2107
2108 void newdemo_set_new_level(int level_num)
2109 {
2110         int i;
2111         int side;
2112         segment *seg;
2113
2114         stop_time();
2115         nd_write_byte(ND_EVENT_NEW_LEVEL);
2116         nd_write_byte((byte)level_num);
2117         nd_write_byte((byte)Current_level_num);
2118
2119         if (JustStartedRecording==1)
2120         {
2121                 nd_write_int(Num_walls);
2122                 for (i=0;i<Num_walls;i++)
2123                 {
2124                         nd_write_byte (Walls[i].type);
2125                         nd_write_byte (Walls[i].flags);
2126                         nd_write_byte (Walls[i].state);
2127
2128                         seg = &Segments[Walls[i].segnum];
2129                         side = Walls[i].sidenum;
2130                         nd_write_short (seg->sides[side].tmap_num);
2131                         nd_write_short (seg->sides[side].tmap_num2);
2132                         JustStartedRecording=0;
2133                 }
2134         }
2135
2136         start_time();
2137 }
2138
2139 int newdemo_read_demo_start(int rnd_demo)
2140 {
2141         byte i, version, game_type, laser_level;
2142         char c, energy, shield;
2143         char text[50], current_mission[9];
2144
2145         nd_read_byte(&c);
2146         if ((c != ND_EVENT_START_DEMO) || nd_bad_read) {
2147                 newmenu_item m[1];
2148
2149                 sprintf(text, "%s %s", TXT_CANT_PLAYBACK, TXT_DEMO_CORRUPT);
2150                 m[ 0].type = NM_TYPE_TEXT; m[ 0].text = text;
2151                 newmenu_do( NULL, NULL, sizeof(m)/sizeof(*m), m, NULL );
2152                 return 1;
2153         }
2154         nd_read_byte(&version);
2155         nd_read_byte(&game_type);
2156         if (game_type < DEMO_GAME_TYPE) {
2157                 newmenu_item m[2];
2158
2159                 sprintf(text, "%s %s", TXT_CANT_PLAYBACK, TXT_RECORDED);
2160                 m[ 0].type = NM_TYPE_TEXT; m[ 0].text = text;
2161                 m[ 1].type = NM_TYPE_TEXT; m[ 1].text = "    In Descent: First Strike";
2162
2163                 newmenu_do( NULL, NULL, sizeof(m)/sizeof(*m), m, NULL );
2164                 return 1;
2165         }
2166         if (game_type != DEMO_GAME_TYPE) {
2167                 newmenu_item m[2];
2168
2169                 sprintf(text, "%s %s", TXT_CANT_PLAYBACK, TXT_RECORDED);
2170                 m[ 0].type = NM_TYPE_TEXT; m[ 0].text = text;
2171                 m[ 1].type = NM_TYPE_TEXT; m[ 1].text = "   In Unknown Descent version";
2172
2173                 newmenu_do( NULL, NULL, sizeof(m)/sizeof(*m), m, NULL );
2174                 return 1;
2175         }
2176         if (version < DEMO_VERSION) {
2177                 if (!rnd_demo) {
2178                         newmenu_item m[1];
2179                         sprintf(text, "%s %s", TXT_CANT_PLAYBACK, TXT_DEMO_OLD);
2180                         m[ 0].type = NM_TYPE_TEXT; m[ 0].text = text;
2181                         newmenu_do( NULL, NULL, sizeof(m)/sizeof(*m), m, NULL );
2182                 }
2183                 return 1;
2184         }
2185         nd_read_fix(&GameTime);
2186         Boss_cloak_start_time=Boss_cloak_end_time=GameTime;
2187         JasonPlaybackTotal=0;
2188
2189         nd_read_int(&Newdemo_game_mode);
2190
2191 #ifdef NETWORK
2192         change_playernum_to((Newdemo_game_mode >> 16) & 0x7);
2193         if (Newdemo_game_mode & GM_TEAM) {
2194                 nd_read_byte(&(Netgame.team_vector));
2195                 nd_read_string(Netgame.team_name[0]);
2196                 nd_read_string(Netgame.team_name[1]);
2197         }
2198         if (Newdemo_game_mode & GM_MULTI) {
2199
2200                 multi_new_game();
2201                 nd_read_byte(&c);
2202                 N_players = (int)c;
2203                 // changed this to above two lines -- breaks on the mac because of
2204                 // endian issues
2205                 //              nd_read_byte((byte *)&N_players);
2206                 for (i = 0 ; i < N_players; i++) {
2207                         Players[i].cloak_time = 0;
2208                         Players[i].invulnerable_time = 0;
2209                         nd_read_string(Players[i].callsign);
2210                         nd_read_byte(&(Players[i].connected));
2211
2212                         if (Newdemo_game_mode & GM_MULTI_COOP) {
2213                                 nd_read_int(&(Players[i].score));
2214                         } else {
2215                                 nd_read_short((short *)&(Players[i].net_killed_total));
2216                                 nd_read_short((short *)&(Players[i].net_kills_total));
2217                         }
2218                 }
2219                 Game_mode = Newdemo_game_mode;
2220                 multi_sort_kill_list();
2221                 Game_mode = GM_NORMAL;
2222         } else
2223 #endif
2224                 nd_read_int(&(Players[Player_num].score));      // Note link to above if!
2225
2226         for (i = 0; i < MAX_PRIMARY_WEAPONS; i++)
2227                 nd_read_short((short*)&(Players[Player_num].primary_ammo[i]));
2228
2229         for (i = 0; i < MAX_SECONDARY_WEAPONS; i++)
2230                         nd_read_short((short*)&(Players[Player_num].secondary_ammo[i]));
2231
2232         nd_read_byte(&laser_level);
2233         if (laser_level != Players[Player_num].laser_level) {
2234                 Players[Player_num].laser_level = laser_level;
2235                 update_laser_weapon_info();
2236         }
2237
2238         // Support for missions
2239
2240         nd_read_string(current_mission);
2241         if (!load_mission_by_name(current_mission)) {
2242                 if (!rnd_demo) {
2243                         newmenu_item m[1];
2244
2245                         sprintf(text, TXT_NOMISSION4DEMO, current_mission);
2246                         m[ 0].type = NM_TYPE_TEXT; m[ 0].text = text;
2247                         newmenu_do( NULL, NULL, sizeof(m)/sizeof(*m), m, NULL );
2248                 }
2249                 return 1;
2250         }
2251
2252         nd_recorded_total = 0;
2253         nd_playback_total = 0;
2254         nd_read_byte(&energy);
2255         nd_read_byte(&shield);
2256
2257         nd_read_int((int *)&(Players[Player_num].flags));
2258         if (Players[Player_num].flags & PLAYER_FLAGS_CLOAKED) {
2259                 Players[Player_num].cloak_time = GameTime - (CLOAK_TIME_MAX / 2);
2260                 Newdemo_players_cloaked |= (1 << Player_num);
2261         }
2262         if (Players[Player_num].flags & PLAYER_FLAGS_INVULNERABLE)
2263                 Players[Player_num].invulnerable_time = GameTime - (INVULNERABLE_TIME_MAX / 2);
2264
2265         nd_read_byte((byte *)&Primary_weapon);
2266         nd_read_byte((byte *)&Secondary_weapon);
2267
2268         // Next bit of code to fix problem that I introduced between 1.0 and 1.1
2269         // check the next byte -- it _will_ be a load_new_level event.  If it is
2270         // not, then we must shift all bytes up by one.
2271
2272         Players[Player_num].energy = i2f(energy);
2273         Players[Player_num].shields = i2f(shield);
2274         JustStartedPlayback=1;
2275         return 0;
2276 }
2277
2278 void newdemo_pop_ctrlcen_triggers()
2279 {
2280         int anim_num, n, i;
2281         int side, cside;
2282         segment *seg, *csegp;
2283
2284         for (i = 0; i < ControlCenterTriggers.num_links; i++) {
2285                 seg = &Segments[ControlCenterTriggers.seg[i]];
2286                 side = ControlCenterTriggers.side[i];
2287                 csegp = &Segments[seg->children[side]];
2288                 cside = find_connect_side(seg, csegp);
2289                 anim_num = Walls[seg->sides[side].wall_num].clip_num;
2290                 n = WallAnims[anim_num].num_frames;
2291                 if (WallAnims[anim_num].flags & WCF_TMAP1) {
2292                 seg->sides[side].tmap_num = csegp->sides[cside].tmap_num = WallAnims[anim_num].frames[n-1];
2293                 } else {
2294                         seg->sides[side].tmap_num2 = csegp->sides[cside].tmap_num2 = WallAnims[anim_num].frames[n-1];
2295                 }
2296         }
2297 }
2298
2299 #define N_PLAYER_SHIP_TEXTURES 6
2300
2301 void nd_render_extras (ubyte,object *);
2302 extern void multi_apply_goal_textures ();
2303 ubyte Newdemo_flying_guided=0;
2304
2305 int newdemo_read_frame_information()
2306 {
2307         int done, segnum, side, objnum, soundno, angle, volume, i,shot;
2308         object *obj;
2309         ubyte c,WhichWindow;
2310         static byte saved_letter_cockpit;
2311         static byte saved_rearview_cockpit;
2312         object extraobj;
2313         static char LastReadValue=101;
2314         segment *seg;
2315
2316         done = 0;
2317
2318         if (Newdemo_vcr_state != ND_STATE_PAUSED)
2319                 for (segnum=0; segnum <= Highest_segment_index; segnum++)
2320                         Segments[segnum].objects = -1;
2321
2322         reset_objects(1);
2323         Players[Player_num].homing_object_dist = -F1_0;
2324
2325         prev_obj = NULL;
2326
2327         while( !done ) {
2328                 nd_read_byte(&c);
2329                 if (nd_bad_read) { done = -1; break; }
2330
2331                 switch( c ) {
2332
2333                 case ND_EVENT_START_FRAME: {        // Followed by an integer frame number, then a fix FrameTime
2334                         short last_frame_length;
2335
2336                         done=1;
2337                         nd_read_short(&last_frame_length);
2338                         nd_read_int(&NewdemoFrameCount);
2339                         nd_read_int((int *)&nd_recorded_time);
2340                         if (Newdemo_vcr_state == ND_STATE_PLAYBACK)
2341                                 nd_recorded_total += nd_recorded_time;
2342                         NewdemoFrameCount--;
2343
2344                         if (nd_bad_read) { done = -1; break; }
2345                         break;
2346                 }
2347
2348                 case ND_EVENT_VIEWER_OBJECT:        // Followed by an object structure
2349                         nd_read_byte (&WhichWindow);
2350                         if (WhichWindow&15)
2351                         {
2352                                 //mprintf ((0,"Reading extra!\n"));
2353                                 nd_read_object (&extraobj);
2354                                 if (Newdemo_vcr_state!=ND_STATE_PAUSED)
2355                                 {
2356                                         if (nd_bad_read) { done = -1; break; }
2357
2358                                         nd_render_extras (WhichWindow,&extraobj);
2359                                 }
2360                         }
2361                         else
2362                         {
2363                                 //mprintf ((0,"Reading viewer!\n"));
2364                                 //Viewer=&Objects[0];
2365                                 nd_read_object(Viewer);
2366
2367                                 if (Newdemo_vcr_state != ND_STATE_PAUSED) {
2368                                         if (nd_bad_read) { done = -1; break; }
2369                                         segnum = Viewer->segnum;
2370                                         Viewer->next = Viewer->prev = Viewer->segnum = -1;
2371
2372                                         // HACK HACK HACK -- since we have multiple level recording, it can be the case
2373                                         // HACK HACK HACK -- that when rewinding the demo, the viewer is in a segment
2374                                         // HACK HACK HACK -- that is greater than the highest index of segments.  Bash
2375                                         // HACK HACK HACK -- the viewer to segment 0 for bogus view.
2376
2377                                         if (segnum > Highest_segment_index)
2378                                                 segnum = 0;
2379                                         obj_link(Viewer-Objects,segnum);
2380                                 }
2381                         }
2382                         break;
2383
2384                 case ND_EVENT_RENDER_OBJECT:       // Followed by an object structure
2385                         objnum = obj_allocate();
2386                         if (objnum==-1)
2387                                 break;
2388                         obj = &Objects[objnum];
2389                         nd_read_object(obj);
2390                         if (nd_bad_read) { done = -1; break; }
2391                         if (Newdemo_vcr_state != ND_STATE_PAUSED) {
2392                                 segnum = obj->segnum;
2393                                 obj->next = obj->prev = obj->segnum = -1;
2394
2395                                 // HACK HACK HACK -- don't render objects is segments greater than Highest_segment_index
2396                                 // HACK HACK HACK -- (see above)
2397
2398                                 if (segnum > Highest_segment_index)
2399                                         break;
2400
2401                                 obj_link(obj-Objects,segnum);
2402 #ifdef NETWORK
2403                                 if ((obj->type == OBJ_PLAYER) && (Newdemo_game_mode & GM_MULTI)) {
2404                                         int player;
2405
2406                                         if (Newdemo_game_mode & GM_TEAM)
2407                                                 player = get_team(obj->id);
2408                                         else
2409                                                 player = obj->id;
2410                                         if (player == 0)
2411                                                 break;
2412                                         player--;
2413
2414                                         for (i=0;i<N_PLAYER_SHIP_TEXTURES;i++)
2415                                                 multi_player_textures[player][i] = ObjBitmaps[ObjBitmapPtrs[Polygon_models[obj->rtype.pobj_info.model_num].first_texture+i]];
2416
2417                                         multi_player_textures[player][4] = ObjBitmaps[ObjBitmapPtrs[First_multi_bitmap_num+(player)*2]];
2418                                         multi_player_textures[player][5] = ObjBitmaps[ObjBitmapPtrs[First_multi_bitmap_num+(player)*2+1]];
2419                                         obj->rtype.pobj_info.alt_textures = player+1;
2420                                 }
2421 #endif
2422                         }
2423                         break;
2424
2425                 case ND_EVENT_SOUND:
2426                         nd_read_int(&soundno);
2427                         if (nd_bad_read) {done = -1; break; }
2428                         if (Newdemo_vcr_state == ND_STATE_PLAYBACK)
2429                                 digi_play_sample( soundno, F1_0 );
2430                         break;
2431
2432                         //--unused              case ND_EVENT_SOUND_ONCE:
2433                         //--unused                      nd_read_int(&soundno);
2434                         //--unused                      if (nd_bad_read) { done = -1; break; }
2435                         //--unused                      if (Newdemo_vcr_state == ND_STATE_PLAYBACK)
2436                         //--unused                              digi_play_sample_once( soundno, F1_0 );
2437                         //--unused                      break;
2438
2439                 case ND_EVENT_SOUND_3D:
2440                         nd_read_int(&soundno);
2441                         nd_read_int(&angle);
2442                         nd_read_int(&volume);
2443                         if (nd_bad_read) { done = -1; break; }
2444                         if (Newdemo_vcr_state == ND_STATE_PLAYBACK)
2445                                 digi_play_sample_3d( soundno, angle, volume, 0 );
2446                         break;
2447
2448                 case ND_EVENT_SOUND_3D_ONCE:
2449                         nd_read_int(&soundno);
2450                         nd_read_int(&angle);
2451                         nd_read_int(&volume);
2452                         if (nd_bad_read) { done = -1; break; }
2453                         if (Newdemo_vcr_state == ND_STATE_PLAYBACK)
2454                                 digi_play_sample_3d( soundno, angle, volume, 1 );
2455                         break;
2456
2457                 case ND_EVENT_LINK_SOUND_TO_OBJ:
2458                         {
2459                                 int soundno, objnum, max_volume, max_distance, loop_start, loop_end;
2460                                 int signature;
2461                                 nd_read_int( &soundno );
2462                                 nd_read_int( &signature );
2463                                 nd_read_int( &max_volume );
2464                                 nd_read_int( &max_distance );
2465                                 nd_read_int( &loop_start );
2466                                 nd_read_int( &loop_end );
2467                                 objnum = newdemo_find_object( signature );
2468                                 if ( objnum > -1 )  {   //  @mk, 2/22/96, John told me to.
2469                                         digi_link_sound_to_object3( soundno, objnum, 1, max_volume, max_distance, loop_start, loop_end );
2470                                 }
2471                         }
2472                         break;
2473
2474                 case ND_EVENT_KILL_SOUND_TO_OBJ:
2475                         {
2476                                 int objnum, signature;
2477                                 nd_read_int( &signature );
2478                                 objnum = newdemo_find_object( signature );
2479                                 if ( objnum > -1 )  {   //  @mk, 2/22/96, John told me to.
2480                                         digi_kill_sound_linked_to_object(objnum);
2481                                 }
2482                         }
2483                         break;
2484
2485                 case ND_EVENT_WALL_HIT_PROCESS: {
2486                         int player, segnum;
2487                         fix damage;
2488
2489                         nd_read_int(&segnum);
2490                         nd_read_int(&side);
2491                         nd_read_fix(&damage);
2492                         nd_read_int(&player);
2493                         if (nd_bad_read) { done = -1; break; }
2494                         if (Newdemo_vcr_state != ND_STATE_PAUSED)
2495                                 wall_hit_process(&Segments[segnum], side, damage, player, &(Objects[0]) );
2496                         break;
2497                 }
2498
2499                 case ND_EVENT_TRIGGER:
2500                         nd_read_int(&segnum);
2501                         nd_read_int(&side);
2502                         nd_read_int(&objnum);
2503                         nd_read_int(&shot);
2504                         if (nd_bad_read) { done = -1; break; }
2505                         if (Newdemo_vcr_state != ND_STATE_PAUSED)
2506                         {
2507                                 mprintf ((0,"EVENT TRIGGER! shot=%d\n",shot));
2508
2509                                 if (Triggers[Walls[Segments[segnum].sides[side].wall_num].trigger].type == TT_SECRET_EXIT) {
2510                                         int truth;
2511
2512                                         nd_read_byte(&c);
2513                                         Assert(c == ND_EVENT_SECRET_THINGY);
2514                                         nd_read_int(&truth);
2515                                         if (!truth)
2516                                                 check_trigger(&Segments[segnum], side, objnum,shot);
2517                                 } else
2518                                         check_trigger(&Segments[segnum], side, objnum,shot);
2519                         }
2520                         break;
2521
2522                 case ND_EVENT_HOSTAGE_RESCUED: {
2523                         int hostage_number;
2524
2525                         nd_read_int(&hostage_number);
2526                         if (nd_bad_read) { done = -1; break; }
2527                         if (Newdemo_vcr_state != ND_STATE_PAUSED)
2528                                 hostage_rescue( hostage_number );
2529                         break;
2530                 }
2531
2532                 case ND_EVENT_MORPH_FRAME: {
2533 #if 0
2534                         morph_data *md;
2535
2536                         md = &morph_objects[0];
2537                         if (newdemo_read( md->morph_vecs, sizeof(md->morph_vecs), 1 )!=1) { done=-1; break; }
2538                         if (newdemo_read( md->submodel_active, sizeof(md->submodel_active), 1 )!=1) { done=-1; break; }
2539                         if (newdemo_read( md->submodel_startpoints, sizeof(md->submodel_startpoints), 1 )!=1) { done=-1; break; }
2540 #endif
2541                         objnum = obj_allocate();
2542                         if (objnum==-1)
2543                                 break;
2544                         obj = &Objects[objnum];
2545                         nd_read_object(obj);
2546                         obj->render_type = RT_POLYOBJ;
2547                         if (Newdemo_vcr_state != ND_STATE_PAUSED) {
2548                                 if (nd_bad_read) { done = -1; break; }
2549                                 if (Newdemo_vcr_state != ND_STATE_PAUSED) {
2550                                         segnum = obj->segnum;
2551                                         obj->next = obj->prev = obj->segnum = -1;
2552                                         obj_link(obj-Objects,segnum);
2553                                 }
2554                         }
2555                         break;
2556                 }
2557
2558                 case ND_EVENT_WALL_TOGGLE:
2559                         nd_read_int(&segnum);
2560                         nd_read_int(&side);
2561                         if (nd_bad_read) {done = -1; break; }
2562                         if (Newdemo_vcr_state != ND_STATE_PAUSED)
2563                                 wall_toggle(&Segments[segnum], side);
2564                         break;
2565
2566                 case ND_EVENT_CONTROL_CENTER_DESTROYED:
2567                         nd_read_int(&Countdown_seconds_left);
2568                         Control_center_destroyed = 1;
2569                         if (nd_bad_read) { done = -1; break; }
2570                         if (!Newdemo_cntrlcen_destroyed) {
2571                                 newdemo_pop_ctrlcen_triggers();
2572                                 Newdemo_cntrlcen_destroyed = 1;
2573                                 //do_controlcen_destroyed_stuff(NULL);
2574                         }
2575                         break;
2576
2577                 case ND_EVENT_HUD_MESSAGE: {
2578                         char hud_msg[60];
2579
2580                         nd_read_string(&(hud_msg[0]));
2581                         if (nd_bad_read) { done = -1; break; }
2582                         HUD_init_message( hud_msg );
2583                         break;
2584                         }
2585                 case ND_EVENT_START_GUIDED:
2586                         Newdemo_flying_guided=1;
2587                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD))
2588                                 Newdemo_flying_guided=0;
2589                         break;
2590                 case ND_EVENT_END_GUIDED:
2591                         Newdemo_flying_guided=0;
2592                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD))
2593                                 Newdemo_flying_guided=1;
2594                         break;
2595
2596                 case ND_EVENT_PALETTE_EFFECT: {
2597                         short r, g, b;
2598
2599                         nd_read_short(&r);
2600                         nd_read_short(&g);
2601                         nd_read_short(&b);
2602                         if (nd_bad_read) { done = -1; break; }
2603                         PALETTE_FLASH_SET(r,g,b);
2604                         break;
2605                 }
2606
2607                 case ND_EVENT_PLAYER_ENERGY: {
2608                         ubyte energy;
2609                         ubyte old_energy;
2610
2611                         nd_read_byte(&old_energy);
2612                         nd_read_byte(&energy);
2613                         if (nd_bad_read) {done = -1; break; }
2614                         if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
2615                                 Players[Player_num].energy = i2f(energy);
2616                         } else if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
2617                                 if (old_energy != 255)
2618                                         Players[Player_num].energy = i2f(old_energy);
2619                         }
2620                         break;
2621                 }
2622
2623                 case ND_EVENT_PLAYER_AFTERBURNER: {
2624                         ubyte afterburner;
2625                         ubyte old_afterburner;
2626
2627                         nd_read_byte(&old_afterburner);
2628                         nd_read_byte(&afterburner);
2629                         if (nd_bad_read) {done = -1; break; }
2630                         if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
2631                                 Afterburner_charge = afterburner<<9;
2632                         } else if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
2633                                 if (old_afterburner != 255)
2634                                         Afterburner_charge = old_afterburner<<9;
2635                         }
2636                         break;
2637                 }
2638
2639                 case ND_EVENT_PLAYER_SHIELD: {
2640                         ubyte shield;
2641                         ubyte old_shield;
2642
2643                         nd_read_byte(&old_shield);
2644                         nd_read_byte(&shield);
2645                         if (nd_bad_read) {done = -1; break; }
2646                         if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
2647                                 Players[Player_num].shields = i2f(shield);
2648                         } else if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
2649                                 if (old_shield != 255)
2650                                         Players[Player_num].shields = i2f(old_shield);
2651                         }
2652                         break;
2653                 }
2654
2655                 case ND_EVENT_PLAYER_FLAGS: {
2656                         uint oflags;
2657
2658                         nd_read_int((int *)&(Players[Player_num].flags));
2659                         if (nd_bad_read) {done = -1; break; }
2660
2661                         oflags = Players[Player_num].flags >> 16;
2662                         Players[Player_num].flags &= 0xffff;
2663
2664                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || ((Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD) && (oflags != 0xffff)) ) {
2665                                 if (!(oflags & PLAYER_FLAGS_CLOAKED) && (Players[Player_num].flags & PLAYER_FLAGS_CLOAKED)) {
2666                                         Players[Player_num].cloak_time = 0;
2667                                         Newdemo_players_cloaked &= ~(1 << Player_num);
2668                                 }
2669                                 if ((oflags & PLAYER_FLAGS_CLOAKED) && !(Players[Player_num].flags & PLAYER_FLAGS_CLOAKED)) {
2670                                         Players[Player_num].cloak_time = GameTime - (CLOAK_TIME_MAX / 2);
2671                                         Newdemo_players_cloaked |= (1 << Player_num);
2672                                 }
2673                                 if (!(oflags & PLAYER_FLAGS_INVULNERABLE) && (Players[Player_num].flags & PLAYER_FLAGS_INVULNERABLE))
2674                                         Players[Player_num].invulnerable_time = 0;
2675                                 if ((oflags & PLAYER_FLAGS_INVULNERABLE) && !(Players[Player_num].flags & PLAYER_FLAGS_INVULNERABLE))
2676                                         Players[Player_num].invulnerable_time = GameTime - (INVULNERABLE_TIME_MAX / 2);
2677                                 Players[Player_num].flags = oflags;
2678                         } else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
2679                                 if (!(oflags & PLAYER_FLAGS_CLOAKED) && (Players[Player_num].flags & PLAYER_FLAGS_CLOAKED)) {
2680                                         Players[Player_num].cloak_time = GameTime - (CLOAK_TIME_MAX / 2);
2681                                         Newdemo_players_cloaked |= (1 << Player_num);
2682                                 }
2683                                 if ((oflags & PLAYER_FLAGS_CLOAKED) && !(Players[Player_num].flags & PLAYER_FLAGS_CLOAKED)) {
2684                                         Players[Player_num].cloak_time = 0;
2685                                         Newdemo_players_cloaked &= ~(1 << Player_num);
2686                                 }
2687                                 if (!(oflags & PLAYER_FLAGS_INVULNERABLE) && (Players[Player_num].flags & PLAYER_FLAGS_INVULNERABLE))
2688                                         Players[Player_num].invulnerable_time = GameTime - (INVULNERABLE_TIME_MAX / 2);
2689                                 if ((oflags & PLAYER_FLAGS_INVULNERABLE) && !(Players[Player_num].flags & PLAYER_FLAGS_INVULNERABLE))
2690                                         Players[Player_num].invulnerable_time = 0;
2691                         }
2692                         update_laser_weapon_info();     // in case of quad laser change
2693                         break;
2694                 }
2695
2696                 case ND_EVENT_PLAYER_WEAPON: {
2697                         byte weapon_type, weapon_num;
2698                         byte old_weapon;
2699
2700                         nd_read_byte(&weapon_type);
2701                         nd_read_byte(&weapon_num);
2702                         nd_read_byte(&old_weapon);
2703                         if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
2704                                 if (weapon_type == 0)
2705                                         Primary_weapon = (int)weapon_num;
2706                                 else
2707                                         Secondary_weapon = (int)weapon_num;
2708                         } else if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
2709                                 if (weapon_type == 0)
2710                                         Primary_weapon = (int)old_weapon;
2711                                 else
2712                                         Secondary_weapon = (int)old_weapon;
2713                         }
2714                         break;
2715                 }
2716
2717                 case ND_EVENT_EFFECT_BLOWUP: {
2718                         short segnum;
2719                         byte side;
2720                         vms_vector pnt;
2721                         object dummy;
2722
2723                         //create a dummy object which will be the weapon that hits
2724                         //the monitor. the blowup code wants to know who the parent of the
2725                         //laser is, so create a laser whose parent is the player
2726                         dummy.ctype.laser_info.parent_type = OBJ_PLAYER;
2727
2728                         nd_read_short(&segnum);
2729                         nd_read_byte(&side);
2730                         nd_read_vector(&pnt);
2731                         if (Newdemo_vcr_state != ND_STATE_PAUSED)
2732                                 check_effect_blowup(&(Segments[segnum]), side, &pnt, &dummy, 0);
2733                         break;
2734                 }
2735
2736                 case ND_EVENT_HOMING_DISTANCE: {
2737                         short distance;
2738
2739                         nd_read_short(&distance);
2740                         Players[Player_num].homing_object_dist = i2f((int)(distance << 16));
2741                         break;
2742                 }
2743
2744                 case ND_EVENT_LETTERBOX:
2745                         if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
2746                                 saved_letter_cockpit = Cockpit_mode;
2747                                 select_cockpit(CM_LETTERBOX);
2748                         } else if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD))
2749                                 select_cockpit(saved_letter_cockpit);
2750                         break;
2751
2752                 case ND_EVENT_CHANGE_COCKPIT: {
2753                         int dummy;
2754
2755                         nd_read_int (&dummy);
2756                         select_cockpit (dummy);
2757
2758                         break;
2759                 }
2760                 case ND_EVENT_REARVIEW:
2761                         if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
2762                                 saved_rearview_cockpit = Cockpit_mode;
2763                                 if (Cockpit_mode == CM_FULL_COCKPIT)
2764                                         select_cockpit(CM_REAR_VIEW);
2765                                 Rear_view=1;
2766                         } else if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
2767                                 if (saved_rearview_cockpit == CM_REAR_VIEW)     // hack to be sure we get a good cockpit on restore
2768                                         saved_rearview_cockpit = CM_FULL_COCKPIT;
2769                                 select_cockpit(saved_rearview_cockpit);
2770                                 Rear_view=0;
2771                         }
2772                         break;
2773
2774                 case ND_EVENT_RESTORE_COCKPIT:
2775                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
2776                                 saved_letter_cockpit = Cockpit_mode;
2777                                 select_cockpit(CM_LETTERBOX);
2778                         } else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD))
2779                                 select_cockpit(saved_letter_cockpit);
2780                         break;
2781
2782
2783                 case ND_EVENT_RESTORE_REARVIEW:
2784                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
2785                                 saved_rearview_cockpit = Cockpit_mode;
2786                                 if (Cockpit_mode == CM_FULL_COCKPIT)
2787                                         select_cockpit(CM_REAR_VIEW);
2788                                 Rear_view=1;
2789                         } else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
2790                                 if (saved_rearview_cockpit == CM_REAR_VIEW)     // hack to be sure we get a good cockpit on restore
2791                                         saved_rearview_cockpit = CM_FULL_COCKPIT;
2792                                 select_cockpit(saved_rearview_cockpit);
2793                                 Rear_view=0;
2794                         }
2795                         break;
2796
2797
2798                 case ND_EVENT_WALL_SET_TMAP_NUM1: {
2799                         short seg, cseg, tmap;
2800                         ubyte side,cside;
2801
2802                         nd_read_short(&seg);
2803                         nd_read_byte(&side);
2804                         nd_read_short(&cseg);
2805                         nd_read_byte(&cside);
2806                         nd_read_short( &tmap );
2807                         if ((Newdemo_vcr_state != ND_STATE_PAUSED) && (Newdemo_vcr_state != ND_STATE_REWINDING) && (Newdemo_vcr_state != ND_STATE_ONEFRAMEBACKWARD))
2808                                 Segments[seg].sides[side].tmap_num = Segments[cseg].sides[cside].tmap_num = tmap;
2809                         break;
2810                 }
2811
2812                 case ND_EVENT_WALL_SET_TMAP_NUM2: {
2813                         short seg, cseg, tmap;
2814                         ubyte side,cside;
2815
2816                         nd_read_short(&seg);
2817                         nd_read_byte(&side);
2818                         nd_read_short(&cseg);
2819                         nd_read_byte(&cside);
2820                         nd_read_short( &tmap );
2821                         if ((Newdemo_vcr_state != ND_STATE_PAUSED) && (Newdemo_vcr_state != ND_STATE_REWINDING) && (Newdemo_vcr_state != ND_STATE_ONEFRAMEBACKWARD)) {
2822                                 Assert(tmap!=0 && Segments[seg].sides[side].tmap_num2!=0);
2823                                 Segments[seg].sides[side].tmap_num2 = Segments[cseg].sides[cside].tmap_num2 = tmap;
2824                         }
2825                         break;
2826                 }
2827
2828                 case ND_EVENT_MULTI_CLOAK: {
2829                         byte pnum;
2830
2831                         nd_read_byte(&pnum);
2832                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
2833                                 Players[pnum].flags &= ~PLAYER_FLAGS_CLOAKED;
2834                                 Players[pnum].cloak_time = 0;
2835                                 Newdemo_players_cloaked &= ~(1 << pnum);
2836                         } else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
2837                                 Players[pnum].flags |= PLAYER_FLAGS_CLOAKED;
2838                                 Players[pnum].cloak_time = GameTime  - (CLOAK_TIME_MAX / 2);
2839                                 Newdemo_players_cloaked |= (1 << pnum);
2840                         }
2841                         break;
2842                 }
2843
2844                 case ND_EVENT_MULTI_DECLOAK: {
2845                         byte pnum;
2846
2847                         nd_read_byte(&pnum);
2848
2849                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
2850                                 Players[pnum].flags |= PLAYER_FLAGS_CLOAKED;
2851                                 Players[pnum].cloak_time = GameTime  - (CLOAK_TIME_MAX / 2);
2852                                 Newdemo_players_cloaked |= (1 << pnum);
2853                         } else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
2854                                 Players[pnum].flags &= ~PLAYER_FLAGS_CLOAKED;
2855                                 Players[pnum].cloak_time = 0;
2856                                 Newdemo_players_cloaked &= ~(1 << pnum);
2857                         }
2858                         break;
2859                 }
2860
2861                 case ND_EVENT_MULTI_DEATH: {
2862                         byte pnum;
2863
2864                         nd_read_byte(&pnum);
2865                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD))
2866                                 Players[pnum].net_killed_total--;
2867                         else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD))
2868                                 Players[pnum].net_killed_total++;
2869                         break;
2870                 }
2871
2872 #ifdef NETWORK
2873                 case ND_EVENT_MULTI_KILL: {
2874                         byte pnum, kill;
2875
2876                         nd_read_byte(&pnum);
2877                         nd_read_byte(&kill);
2878                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
2879                                 Players[pnum].net_kills_total -= kill;
2880                                 if (Newdemo_game_mode & GM_TEAM)
2881                                         team_kills[get_team(pnum)] -= kill;
2882                         } else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
2883                                 Players[pnum].net_kills_total += kill;
2884                                 if (Newdemo_game_mode & GM_TEAM)
2885                                         team_kills[get_team(pnum)] += kill;
2886                         }
2887                         Game_mode = Newdemo_game_mode;
2888                         multi_sort_kill_list();
2889                         Game_mode = GM_NORMAL;
2890                         break;
2891                 }
2892
2893                 case ND_EVENT_MULTI_CONNECT: {
2894                         byte pnum, new_player;
2895                         int killed_total, kills_total;
2896                         char new_callsign[CALLSIGN_LEN+1], old_callsign[CALLSIGN_LEN+1];
2897
2898                         nd_read_byte(&pnum);
2899                         nd_read_byte(&new_player);
2900                         if (!new_player) {
2901                                 nd_read_string(old_callsign);
2902                                 nd_read_int(&killed_total);
2903                                 nd_read_int(&kills_total);
2904                         }
2905                         nd_read_string(new_callsign);
2906                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
2907                                 Players[pnum].connected = 0;
2908                                 if (!new_player) {
2909                                         memcpy(Players[pnum].callsign, old_callsign, CALLSIGN_LEN+1);
2910                                         Players[pnum].net_killed_total = killed_total;
2911                                         Players[pnum].net_kills_total = kills_total;
2912                                 } else {
2913                                         N_players--;
2914                                 }
2915                         } else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
2916                                 Players[pnum].connected = 1;
2917                                 Players[pnum].net_kills_total = 0;
2918                                 Players[pnum].net_killed_total = 0;
2919                                 memcpy(Players[pnum].callsign, new_callsign, CALLSIGN_LEN+1);
2920                                 if (new_player)
2921                                         N_players++;
2922                         }
2923                         break;
2924                 }
2925
2926                 case ND_EVENT_MULTI_RECONNECT: {
2927                         byte pnum;
2928
2929                         nd_read_byte(&pnum);
2930                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD))
2931                                 Players[pnum].connected = 0;
2932                         else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD))
2933                                 Players[pnum].connected = 1;
2934                         break;
2935                 }
2936
2937                 case ND_EVENT_MULTI_DISCONNECT: {
2938                         byte pnum;
2939
2940                         nd_read_byte(&pnum);
2941                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD))
2942                                 Players[pnum].connected = 1;
2943                         else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD))
2944                                 Players[pnum].connected = 0;
2945                         break;
2946                 }
2947
2948                 case ND_EVENT_MULTI_SCORE: {
2949                         int score;
2950                         byte pnum;
2951
2952                         nd_read_byte(&pnum);
2953                         nd_read_int(&score);
2954                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD))
2955                                 Players[pnum].score -= score;
2956                         else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD))
2957                                 Players[pnum].score += score;
2958                         Game_mode = Newdemo_game_mode;
2959                         multi_sort_kill_list();
2960                         Game_mode = GM_NORMAL;
2961                         break;
2962                 }
2963
2964 #endif // NETWORK
2965                 case ND_EVENT_PLAYER_SCORE: {
2966                         int score;
2967
2968                         nd_read_int(&score);
2969                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD))
2970                                 Players[Player_num].score -= score;
2971                         else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD))
2972                                 Players[Player_num].score += score;
2973                         break;
2974                 }
2975
2976
2977                 case ND_EVENT_PRIMARY_AMMO: {
2978                         short old_ammo, new_ammo;
2979
2980                         nd_read_short(&old_ammo);
2981                         nd_read_short(&new_ammo);
2982
2983                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD))
2984                                 Players[Player_num].primary_ammo[Primary_weapon] = old_ammo;
2985                         else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD))
2986                                 Players[Player_num].primary_ammo[Primary_weapon] = new_ammo;
2987                         break;
2988                 }
2989
2990                 case ND_EVENT_SECONDARY_AMMO: {
2991                         short old_ammo, new_ammo;
2992
2993                         nd_read_short(&old_ammo);
2994                         nd_read_short(&new_ammo);
2995
2996                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD))
2997                                 Players[Player_num].secondary_ammo[Secondary_weapon] = old_ammo;
2998                         else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD))
2999                                 Players[Player_num].secondary_ammo[Secondary_weapon] = new_ammo;
3000                         break;
3001                 }
3002
3003                 case ND_EVENT_DOOR_OPENING: {
3004                         short segnum;
3005                         byte side;
3006
3007                         nd_read_short(&segnum);
3008                         nd_read_byte(&side);
3009                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
3010                                 int anim_num;
3011                                 int cside;
3012                                 segment *segp, *csegp;
3013
3014                                 segp = &Segments[segnum];
3015                                 csegp = &Segments[segp->children[side]];
3016                                 cside = find_connect_side(segp, csegp);
3017                                 anim_num = Walls[segp->sides[side].wall_num].clip_num;
3018
3019                                 if (WallAnims[anim_num].flags & WCF_TMAP1) {
3020                                         segp->sides[side].tmap_num = csegp->sides[cside].tmap_num = WallAnims[anim_num].frames[0];
3021                                 } else {
3022                                         segp->sides[side].tmap_num2 = csegp->sides[cside].tmap_num2 = WallAnims[anim_num].frames[0];
3023                                 }
3024                         }
3025                         break;
3026                 }
3027
3028                 case ND_EVENT_LASER_LEVEL: {
3029                         byte old_level, new_level;
3030
3031                         nd_read_byte(&old_level);
3032                         nd_read_byte(&new_level);
3033                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD)) {
3034                                 Players[Player_num].laser_level = old_level;
3035                                 update_laser_weapon_info();
3036                         } else if ((Newdemo_vcr_state == ND_STATE_PLAYBACK) || (Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD)) {
3037                                 Players[Player_num].laser_level = new_level;
3038                                 update_laser_weapon_info();
3039                         }
3040                         break;
3041                 }
3042
3043                 case ND_EVENT_CLOAKING_WALL: {
3044                         ubyte back_wall_num,front_wall_num,type,state,cloak_value;
3045                         short l0,l1,l2,l3;
3046                         segment *segp;
3047                         int sidenum;
3048
3049                         nd_read_byte(&front_wall_num);
3050                         nd_read_byte(&back_wall_num);
3051                         nd_read_byte(&type);
3052                         nd_read_byte(&state);
3053                         nd_read_byte(&cloak_value);
3054                         nd_read_short(&l0);
3055                         nd_read_short(&l1);
3056                         nd_read_short(&l2);
3057                         nd_read_short(&l3);
3058
3059                         Walls[front_wall_num].type = type;
3060                         Walls[front_wall_num].state = state;
3061                         Walls[front_wall_num].cloak_value = cloak_value;
3062                         segp = &Segments[Walls[front_wall_num].segnum];
3063                         sidenum = Walls[front_wall_num].sidenum;
3064                         segp->sides[sidenum].uvls[0].l = ((int) l0) << 8;
3065                         segp->sides[sidenum].uvls[1].l = ((int) l1) << 8;
3066                         segp->sides[sidenum].uvls[2].l = ((int) l2) << 8;
3067                         segp->sides[sidenum].uvls[3].l = ((int) l3) << 8;
3068
3069                         Walls[back_wall_num].type = type;
3070                         Walls[back_wall_num].state = state;
3071                         Walls[back_wall_num].cloak_value = cloak_value;
3072                         segp = &Segments[Walls[back_wall_num].segnum];
3073                         sidenum = Walls[back_wall_num].sidenum;
3074                         segp->sides[sidenum].uvls[0].l = ((int) l0) << 8;
3075                         segp->sides[sidenum].uvls[1].l = ((int) l1) << 8;
3076                         segp->sides[sidenum].uvls[2].l = ((int) l2) << 8;
3077                         segp->sides[sidenum].uvls[3].l = ((int) l3) << 8;
3078
3079                         break;
3080                 }
3081
3082                 case ND_EVENT_NEW_LEVEL: {
3083                         byte new_level, old_level, loaded_level;
3084
3085                         nd_read_byte (&new_level);
3086                         nd_read_byte (&old_level);
3087                         if (Newdemo_vcr_state == ND_STATE_PAUSED)
3088                                 break;
3089
3090                         stop_time();
3091                         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD))
3092                                 loaded_level = old_level;
3093                         else {
3094                                 loaded_level = new_level;
3095                                 for (i = 0; i < MAX_PLAYERS; i++) {
3096                                         Players[i].cloak_time = 0;
3097                                         Players[i].flags &= ~PLAYER_FLAGS_CLOAKED;
3098                                 }
3099                         }
3100                         if ((loaded_level < Last_secret_level) || (loaded_level > Last_level)) {
3101                                 newmenu_item m[3];
3102
3103                                 m[ 0].type = NM_TYPE_TEXT; m[ 0].text = TXT_CANT_PLAYBACK;
3104                                 m[ 1].type = NM_TYPE_TEXT; m[ 1].text = TXT_LEVEL_CANT_LOAD;
3105                                 m[ 2].type = NM_TYPE_TEXT; m[ 2].text = TXT_DEMO_OLD_CORRUPT;
3106                                 newmenu_do( NULL, NULL, sizeof(m)/sizeof(*m), m, NULL );
3107                                 return -1;
3108                         }
3109
3110                         LoadLevel((int)loaded_level,1);
3111                         Newdemo_cntrlcen_destroyed = 0;
3112
3113                         if (JustStartedPlayback)
3114                         {
3115                                 nd_read_int (&Num_walls);
3116                                 for (i=0;i<Num_walls;i++)    // restore the walls
3117                                 {
3118                                         nd_read_byte (&Walls[i].type);
3119                                         nd_read_byte (&Walls[i].flags);
3120                                         nd_read_byte (&Walls[i].state);
3121
3122                                         seg = &Segments[Walls[i].segnum];
3123                                         side = Walls[i].sidenum;
3124                                         nd_read_short (&seg->sides[side].tmap_num);
3125                                         nd_read_short (&seg->sides[side].tmap_num2);
3126                                 }
3127 #ifdef NETWORK
3128                                 if (Newdemo_game_mode & GM_CAPTURE)
3129                                         multi_apply_goal_textures ();
3130 #endif
3131                                 JustStartedPlayback=0;
3132                         }
3133
3134
3135                         // so says Rob H.!!!                    if (Newdemo_game_mode & GM_MULTI) {
3136                         // so says Rob H.!!!                            for (i = 0; i < Num_walls; i++) {
3137                         // so says Rob H.!!!                                    if (Walls[i].type == WALL_BLASTABLE)
3138                         // so says Rob H.!!!                                    {
3139                         // so says Rob H.!!!                                            int a, n;
3140                         // so says Rob H.!!!                                            int side;
3141                         // so says Rob H.!!!                                            segment *seg;
3142                         // so says Rob H.!!!
3143                         // so says Rob H.!!!                                            seg = &Segments[Walls[i].segnum];
3144                         // so says Rob H.!!!                                            side = Walls[i].sidenum;
3145                         // so says Rob H.!!!                                            a = Walls[i].clip_num;
3146                         // so says Rob H.!!!                                            n = WallAnims[a].num_frames;
3147                         // so says Rob H.!!!                                            seg->sides[side].tmap_num = WallAnims[a].frames[n-1];
3148                         // so says Rob H.!!!                                            Walls[i].flags |= WALL_BLASTED;
3149                         // so says Rob H.!!!                                    }
3150                         // so says Rob H.!!!                            }
3151                         // so says Rob H.!!!                    }
3152
3153                         reset_palette_add();                // get palette back to normal
3154                         start_time();
3155                         break;
3156                 }
3157
3158                 case ND_EVENT_EOF: {
3159                         done=-1;
3160                         fseek(infile, -1, SEEK_CUR);        // get back to the EOF marker
3161                         Newdemo_at_eof = 1;
3162                         NewdemoFrameCount++;
3163                         break;
3164                 }
3165
3166                 default:
3167                         Int3();
3168                 }
3169         }
3170
3171         LastReadValue=c;
3172
3173         if (nd_bad_read) {
3174                 newmenu_item m[2];
3175
3176                 m[ 0].type = NM_TYPE_TEXT; m[ 0].text = TXT_DEMO_ERR_READING;
3177                 m[ 1].type = NM_TYPE_TEXT; m[ 1].text = TXT_DEMO_OLD_CORRUPT;
3178                 newmenu_do( NULL, NULL, sizeof(m)/sizeof(*m), m, NULL );
3179         }
3180
3181         return done;
3182 }
3183
3184 void newdemo_goto_beginning()
3185 {
3186         //if (NewdemoFrameCount == 0)
3187         //      return;
3188         fseek(infile, 0, SEEK_SET);
3189         Newdemo_vcr_state = ND_STATE_PLAYBACK;
3190         if (newdemo_read_demo_start(0))
3191                 newdemo_stop_playback();
3192         if (newdemo_read_frame_information() == -1)
3193                 newdemo_stop_playback();
3194         if (newdemo_read_frame_information() == -1)
3195                 newdemo_stop_playback();
3196         Newdemo_vcr_state = ND_STATE_PAUSED;
3197         Newdemo_at_eof = 0;
3198 }
3199
3200 void newdemo_goto_end()
3201 {
3202         short frame_length, byte_count, bshort;
3203         byte level, bbyte, laser_level;
3204         ubyte energy, shield, c;
3205         int i, loc, bint;
3206
3207         fseek(infile, -2, SEEK_END);
3208         nd_read_byte(&level);
3209
3210         if ((level < Last_secret_level) || (level > Last_level)) {
3211                 newmenu_item m[3];
3212
3213                 m[ 0].type = NM_TYPE_TEXT; m[ 0].text = TXT_CANT_PLAYBACK;
3214                 m[ 1].type = NM_TYPE_TEXT; m[ 1].text = TXT_LEVEL_CANT_LOAD;
3215                 m[ 2].type = NM_TYPE_TEXT; m[ 2].text = TXT_DEMO_OLD_CORRUPT;
3216                 newmenu_do( NULL, NULL, sizeof(m)/sizeof(*m), m, NULL );
3217                 newdemo_stop_playback();
3218                 return;
3219         }
3220         if (level != Current_level_num)
3221                 LoadLevel(level,1);
3222
3223         fseek(infile, -4, SEEK_END);
3224         nd_read_short(&byte_count);
3225         fseek(infile, -2 - byte_count, SEEK_CUR);
3226
3227         nd_read_short(&frame_length);
3228         loc = ftell(infile);
3229         if (Newdemo_game_mode & GM_MULTI)
3230                 nd_read_byte(&Newdemo_players_cloaked);
3231         else
3232                 nd_read_byte(&bbyte);
3233         nd_read_byte(&bbyte);
3234         nd_read_short(&bshort);
3235         nd_read_int(&bint);
3236
3237         nd_read_byte(&energy);
3238         nd_read_byte(&shield);
3239         Players[Player_num].energy = i2f(energy);
3240         Players[Player_num].shields = i2f(shield);
3241         nd_read_int((int *)&(Players[Player_num].flags));
3242         if (Players[Player_num].flags & PLAYER_FLAGS_CLOAKED) {
3243                 Players[Player_num].cloak_time = GameTime - (CLOAK_TIME_MAX / 2);
3244                 Newdemo_players_cloaked |= (1 << Player_num);
3245         }
3246         if (Players[Player_num].flags & PLAYER_FLAGS_INVULNERABLE)
3247                 Players[Player_num].invulnerable_time = GameTime - (INVULNERABLE_TIME_MAX / 2);
3248         nd_read_byte((byte *)&Primary_weapon);
3249         nd_read_byte((byte *)&Secondary_weapon);
3250         for (i = 0; i < MAX_PRIMARY_WEAPONS; i++)
3251                 nd_read_short((short *)&(Players[Player_num].primary_ammo[i]));
3252         for (i = 0; i < MAX_SECONDARY_WEAPONS; i++)
3253                 nd_read_short((short *)&(Players[Player_num].secondary_ammo[i]));
3254         nd_read_byte(&laser_level);
3255         if (laser_level != Players[Player_num].laser_level) {
3256                 Players[Player_num].laser_level = laser_level;
3257                 update_laser_weapon_info();
3258         }
3259
3260         if (Newdemo_game_mode & GM_MULTI) {
3261                 nd_read_byte(&c);
3262                 N_players = (int)c;
3263                 // see newdemo_read_start_demo for explanation of
3264                 // why this is commented out
3265                 //              nd_read_byte((byte *)&N_players);
3266                 for (i = 0; i < N_players; i++) {
3267                         nd_read_string(Players[i].callsign);
3268                         nd_read_byte(&(Players[i].connected));
3269                         if (Newdemo_game_mode & GM_MULTI_COOP) {
3270                                 nd_read_int(&(Players[i].score));
3271                         } else {
3272                                 nd_read_short((short *)&(Players[i].net_killed_total));
3273                                 nd_read_short((short *)&(Players[i].net_kills_total));
3274                         }
3275                 }
3276         } else {
3277                 nd_read_int(&(Players[Player_num].score));
3278         }
3279
3280         fseek(infile, loc, SEEK_SET);
3281         fseek(infile, -frame_length, SEEK_CUR);
3282         nd_read_int(&NewdemoFrameCount);            // get the frame count
3283         NewdemoFrameCount--;
3284         fseek(infile, 4, SEEK_CUR);
3285         Newdemo_vcr_state = ND_STATE_PLAYBACK;
3286         newdemo_read_frame_information();           // then the frame information
3287         Newdemo_vcr_state = ND_STATE_PAUSED;
3288         return;
3289 }
3290
3291 void newdemo_back_frames(int frames)
3292 {
3293         short last_frame_length;
3294         int i;
3295
3296         for (i = 0; i < frames; i++)
3297         {
3298                 fseek(infile, -10, SEEK_CUR);
3299                 nd_read_short(&last_frame_length);
3300                 fseek(infile, 8 - last_frame_length, SEEK_CUR);
3301
3302                 if (!Newdemo_at_eof && newdemo_read_frame_information() == -1) {
3303                         newdemo_stop_playback();
3304                         return;
3305                 }
3306                 if (Newdemo_at_eof)
3307                         Newdemo_at_eof = 0;
3308
3309                 fseek(infile, -10, SEEK_CUR);
3310                 nd_read_short(&last_frame_length);
3311                 fseek(infile, 8 - last_frame_length, SEEK_CUR);
3312         }
3313
3314 }
3315
3316 /*
3317  *  routine to interpolate the viewer position.  the current position is
3318  *  stored in the Viewer object.  Save this position, and read the next
3319  *  frame to get all objects read in.  Calculate the delta playback and
3320  *  the delta recording frame times between the two frames, then intepolate
3321  *  the viewers position accordingly.  nd_recorded_time is the time that it
3322  *  took the recording to render the frame that we are currently looking
3323  *  at.
3324 */
3325
3326 void interpolate_frame(fix d_play, fix d_recorded)
3327 {
3328         int i, j, num_cur_objs;
3329         fix factor;
3330         object *cur_objs;
3331
3332         factor = fixdiv(d_play, d_recorded);
3333         if (factor > F1_0)
3334                 factor = F1_0;
3335
3336         num_cur_objs = Highest_object_index;
3337         cur_objs = (object *)d_malloc(sizeof(object) * (num_cur_objs + 1));
3338         if (cur_objs == NULL) {
3339                 mprintf((0,"Couldn't get %d bytes for cur_objs in interpolate_frame\n", sizeof(object) * num_cur_objs));
3340                 Int3();
3341                 return;
3342         }
3343         for (i = 0; i <= num_cur_objs; i++)
3344                 memcpy(&(cur_objs[i]), &(Objects[i]), sizeof(object));
3345
3346         Newdemo_vcr_state = ND_STATE_PAUSED;
3347         if (newdemo_read_frame_information() == -1) {
3348                 d_free(cur_objs);
3349                 newdemo_stop_playback();
3350                 return;
3351         }
3352
3353         for (i = 0; i <= num_cur_objs; i++) {
3354                 for (j = 0; j <= Highest_object_index; j++) {
3355                         if (cur_objs[i].signature == Objects[j].signature) {
3356                                 ubyte render_type = cur_objs[i].render_type;
3357                                 //fix delta_p, delta_h, delta_b;
3358                                 fix delta_x, delta_y, delta_z;
3359                                 //vms_angvec cur_angles, dest_angles;
3360
3361                                 //  Extract the angles from the object orientation matrix.
3362                                 //  Some of this code taken from ai_turn_towards_vector
3363                                 //  Don't do the interpolation on certain render types which don't use an orientation matrix
3364
3365                                 if (!((render_type == RT_LASER) || (render_type == RT_FIREBALL) || (render_type == RT_POWERUP))) {
3366
3367                                         vms_vector  fvec1, fvec2, rvec1, rvec2;
3368                                         fix         mag1;
3369
3370                                         fvec1 = cur_objs[i].orient.fvec;
3371                                         vm_vec_scale(&fvec1, F1_0-factor);
3372                                         fvec2 = Objects[j].orient.fvec;
3373                                         vm_vec_scale(&fvec2, factor);
3374                                         vm_vec_add2(&fvec1, &fvec2);
3375                                         mag1 = vm_vec_normalize_quick(&fvec1);
3376                                         if (mag1 > F1_0/256) {
3377                                                 rvec1 = cur_objs[i].orient.rvec;
3378                                                 vm_vec_scale(&rvec1, F1_0-factor);
3379                                                 rvec2 = Objects[j].orient.rvec;
3380                                                 vm_vec_scale(&rvec2, factor);
3381                                                 vm_vec_add2(&rvec1, &rvec2);
3382                                                 vm_vec_normalize_quick(&rvec1); // Note: Doesn't matter if this is null, if null, vm_vector_2_matrix will just use fvec1
3383                                                 vm_vector_2_matrix(&cur_objs[i].orient, &fvec1, NULL, &rvec1);
3384                                         }
3385
3386                                         //--old new way --      vms_vector fvec1, fvec2, rvec1, rvec2;
3387                                         //--old new way --
3388                                         //--old new way --      fvec1 = cur_objs[i].orient.fvec;
3389                                         //--old new way --      vm_vec_scale(&fvec1, F1_0-factor);
3390                                         //--old new way --      fvec2 = Objects[j].orient.fvec;
3391                                         //--old new way --      vm_vec_scale(&fvec2, factor);
3392                                         //--old new way --      vm_vec_add2(&fvec1, &fvec2);
3393                                         //--old new way --      vm_vec_normalize_quick(&fvec1);
3394                                         //--old new way --
3395                                         //--old new way --      rvec1 = cur_objs[i].orient.rvec;
3396                                         //--old new way --      vm_vec_scale(&rvec1, F1_0-factor);
3397                                         //--old new way --      rvec2 = Objects[j].orient.rvec;
3398                                         //--old new way --      vm_vec_scale(&rvec2, factor);
3399                                         //--old new way --      vm_vec_add2(&rvec1, &rvec2);
3400                                         //--old new way --      vm_vec_normalize_quick(&rvec1);
3401                                         //--old new way --
3402                                         //--old new way --      vm_vector_2_matrix(&cur_objs[i].orient, &fvec1, NULL, &rvec1);
3403
3404                                         // -- old fashioned way --                                      vm_extract_angles_matrix(&cur_angles, &(cur_objs[i].orient));
3405                                         // -- old fashioned way --                                      vm_extract_angles_matrix(&dest_angles, &(Objects[j].orient));
3406                                         // -- old fashioned way --
3407                                         // -- old fashioned way --                                      delta_p = (dest_angles.p - cur_angles.p);
3408                                         // -- old fashioned way --                                      delta_h = (dest_angles.h - cur_angles.h);
3409                                         // -- old fashioned way --                                      delta_b = (dest_angles.b - cur_angles.b);
3410                                         // -- old fashioned way --
3411                                         // -- old fashioned way --                                      if (delta_p != 0) {
3412                                         // -- old fashioned way --                                              if (delta_p > F1_0/2) delta_p = dest_angles.p - cur_angles.p - F1_0;
3413                                         // -- old fashioned way --                                              if (delta_p < -F1_0/2) delta_p = dest_angles.p - cur_angles.p + F1_0;
3414                                         // -- old fashioned way --                                              delta_p = fixmul(delta_p, factor);
3415                                         // -- old fashioned way --                                              cur_angles.p += delta_p;
3416                                         // -- old fashioned way --                                      }
3417                                         // -- old fashioned way --                                      if (delta_h != 0) {
3418                                         // -- old fashioned way --                                              if (delta_h > F1_0/2) delta_h = dest_angles.h - cur_angles.h - F1_0;
3419                                         // -- old fashioned way --                                              if (delta_h < -F1_0/2) delta_h = dest_angles.h - cur_angles.h + F1_0;
3420                                         // -- old fashioned way --                                              delta_h = fixmul(delta_h, factor);
3421                                         // -- old fashioned way --                                              cur_angles.h += delta_h;
3422                                         // -- old fashioned way --                                      }
3423                                         // -- old fashioned way --                                      if (delta_b != 0) {
3424                                         // -- old fashioned way --                                              if (delta_b > F1_0/2) delta_b = dest_angles.b - cur_angles.b - F1_0;
3425                                         // -- old fashioned way --                                              if (delta_b < -F1_0/2) delta_b = dest_angles.b - cur_angles.b + F1_0;
3426                                         // -- old fashioned way --                                              delta_b = fixmul(delta_b, factor);
3427                                         // -- old fashioned way --                                              cur_angles.b += delta_b;
3428                                         // -- old fashioned way --                                      }
3429                                 }
3430
3431                                 // Interpolate the object position.  This is just straight linear
3432                                 // interpolation.
3433
3434                                 delta_x = Objects[j].pos.x - cur_objs[i].pos.x;
3435                                 delta_y = Objects[j].pos.y - cur_objs[i].pos.y;
3436                                 delta_z = Objects[j].pos.z - cur_objs[i].pos.z;
3437
3438                                 delta_x = fixmul(delta_x, factor);
3439                                 delta_y = fixmul(delta_y, factor);
3440                                 delta_z = fixmul(delta_z, factor);
3441
3442                                 cur_objs[i].pos.x += delta_x;
3443                                 cur_objs[i].pos.y += delta_y;
3444                                 cur_objs[i].pos.z += delta_z;
3445
3446                                 // -- old fashioned way --// stuff the new angles back into the object structure
3447                                 // -- old fashioned way --                              vm_angles_2_matrix(&(cur_objs[i].orient), &cur_angles);
3448                         }
3449                 }
3450         }
3451
3452         // get back to original position in the demo file.  Reread the current
3453         // frame information again to reset all of the object stuff not covered
3454         // with Highest_object_index and the object array (previously rendered
3455         // objects, etc....)
3456
3457         newdemo_back_frames(1);
3458         newdemo_back_frames(1);
3459         if (newdemo_read_frame_information() == -1)
3460                 newdemo_stop_playback();
3461         Newdemo_vcr_state = ND_STATE_PLAYBACK;
3462
3463         for (i = 0; i <= num_cur_objs; i++)
3464                 memcpy(&(Objects[i]), &(cur_objs[i]), sizeof(object));
3465         Highest_object_index = num_cur_objs;
3466         d_free(cur_objs);
3467 }
3468
3469 void newdemo_playback_one_frame()
3470 {
3471         int frames_back, i, level;
3472         static fix base_interpol_time = 0;
3473         static fix d_recorded = 0;
3474
3475         for (i = 0; i < MAX_PLAYERS; i++)
3476                 if (Newdemo_players_cloaked & (1 << i))
3477                         Players[i].cloak_time = GameTime - (CLOAK_TIME_MAX / 2);
3478
3479         if (Players[Player_num].flags & PLAYER_FLAGS_INVULNERABLE)
3480                 Players[Player_num].invulnerable_time = GameTime - (INVULNERABLE_TIME_MAX / 2);
3481
3482         if (Newdemo_vcr_state == ND_STATE_PAUSED)       // render a frame or not
3483                 return;
3484
3485         if (Newdemo_vcr_state == ND_STATE_PLAYBACK)
3486                 DoJasonInterpolate(nd_recorded_time);
3487
3488         Control_center_destroyed = 0;
3489         Countdown_seconds_left = -1;
3490         PALETTE_FLASH_SET(0,0,0);       //clear flash
3491
3492         if ((Newdemo_vcr_state == ND_STATE_REWINDING) || (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD))
3493         {
3494                 level = Current_level_num;
3495                 if (NewdemoFrameCount == 0)
3496                         return;
3497                 else if ((Newdemo_vcr_state == ND_STATE_REWINDING) && (NewdemoFrameCount < 10)) {
3498                         newdemo_goto_beginning();
3499                         return;
3500                 }
3501                 if (Newdemo_vcr_state == ND_STATE_REWINDING)
3502                         frames_back = 10;
3503                 else
3504                         frames_back = 1;
3505                 if (Newdemo_at_eof) {
3506                         fseek(infile, 11, SEEK_CUR);
3507                 }
3508                 newdemo_back_frames(frames_back);
3509
3510                 if (level != Current_level_num)
3511                         newdemo_pop_ctrlcen_triggers();
3512
3513                 if (Newdemo_vcr_state == ND_STATE_ONEFRAMEBACKWARD) {
3514                         if (level != Current_level_num)
3515                                 newdemo_back_frames(1);
3516                         Newdemo_vcr_state = ND_STATE_PAUSED;
3517                 }
3518         }
3519         else if (Newdemo_vcr_state == ND_STATE_FASTFORWARD) {
3520                 if (!Newdemo_at_eof)
3521                 {
3522                         for (i = 0; i < 10; i++)
3523                         {
3524                                 if (newdemo_read_frame_information() == -1)
3525                                 {
3526                                         if (Newdemo_at_eof)
3527                                                 Newdemo_vcr_state = ND_STATE_PAUSED;
3528                                         else
3529                                                 newdemo_stop_playback();
3530                                         break;
3531                                 }
3532                         }
3533                 }
3534                 else
3535                         Newdemo_vcr_state = ND_STATE_PAUSED;
3536         }
3537         else if (Newdemo_vcr_state == ND_STATE_ONEFRAMEFORWARD) {
3538                 if (!Newdemo_at_eof) {
3539                         level = Current_level_num;
3540                         if (newdemo_read_frame_information() == -1) {
3541                                 if (!Newdemo_at_eof)
3542                                         newdemo_stop_playback();
3543                         }
3544                         if (level != Current_level_num) {
3545                                 if (newdemo_read_frame_information() == -1) {
3546                                         if (!Newdemo_at_eof)
3547                                                 newdemo_stop_playback();
3548                                 }
3549                         }
3550                         Newdemo_vcr_state = ND_STATE_PAUSED;
3551                 } else
3552                         Newdemo_vcr_state = ND_STATE_PAUSED;
3553         }
3554         else {
3555
3556                 //  First, uptate the total playback time to date.  Then we check to see
3557                 //  if we need to change the playback style to interpolate frames or
3558                 //  skip frames based on where the playback time is relative to the
3559                 //  recorded time.
3560
3561                 if (NewdemoFrameCount <= 0)
3562                         nd_playback_total = nd_recorded_total;      // baseline total playback time
3563                 else
3564                         nd_playback_total += FrameTime;
3565                 if ((playback_style == NORMAL_PLAYBACK) && (NewdemoFrameCount > 10))
3566                         if ((nd_playback_total * INTERPOL_FACTOR) < nd_recorded_total) {
3567                                 playback_style = INTERPOLATE_PLAYBACK;
3568                                 nd_playback_total = nd_recorded_total + FrameTime;  // baseline playback time
3569                                 base_interpol_time = nd_recorded_total;
3570                                 d_recorded = nd_recorded_time;                      // baseline delta recorded
3571                         }
3572                 if ((playback_style == NORMAL_PLAYBACK) && (NewdemoFrameCount > 10))
3573                         if (nd_playback_total > nd_recorded_total)
3574                                 playback_style = SKIP_PLAYBACK;
3575
3576
3577                 if ((playback_style == INTERPOLATE_PLAYBACK) && Newdemo_do_interpolate) {
3578                         fix d_play = 0;
3579
3580                         if (nd_recorded_total - nd_playback_total < FrameTime) {
3581                                 d_recorded = nd_recorded_total - nd_playback_total;
3582
3583                                 while (nd_recorded_total - nd_playback_total < FrameTime) {
3584                                         object *cur_objs;
3585                                         int i, j, num_objs, level;
3586
3587                                         num_objs = Highest_object_index;
3588                                         cur_objs = (object *)d_malloc(sizeof(object) * (num_objs + 1));
3589                                         if (cur_objs == NULL) {
3590                                                 Warning ("Couldn't get %d bytes for objects in interpolate playback\n", sizeof(object) * num_objs);
3591                                                 break;
3592                                         }
3593                                         for (i = 0; i <= num_objs; i++)
3594                                                 memcpy(&(cur_objs[i]), &(Objects[i]), sizeof(object));
3595
3596                                         level = Current_level_num;
3597                                         if (newdemo_read_frame_information() == -1) {
3598                                                 d_free(cur_objs);
3599                                                 newdemo_stop_playback();
3600                                                 return;
3601                                         }
3602                                         if (level != Current_level_num) {
3603                                                 d_free(cur_objs);
3604                                                 if (newdemo_read_frame_information() == -1)
3605                                                         newdemo_stop_playback();
3606                                                 break;
3607                                         }
3608
3609                                         //  for each new object in the frame just read in, determine if there is
3610                                         //  a corresponding object that we have been interpolating.  If so, then
3611                                         //  copy that interpolated object to the new Objects array so that the
3612                                         //  interpolated position and orientation can be preserved.
3613
3614                                         for (i = 0; i <= num_objs; i++) {
3615                                                 for (j = 0; j <= Highest_object_index; j++) {
3616                                                         if (cur_objs[i].signature == Objects[j].signature) {
3617                                                                 memcpy(&(Objects[j].orient), &(cur_objs[i].orient), sizeof(vms_matrix));
3618                                                                 memcpy(&(Objects[j].pos), &(cur_objs[i].pos), sizeof(vms_vector));
3619                                                                 break;
3620                                                         }
3621                                                 }
3622                                         }
3623                                         d_free(cur_objs);
3624                                         d_recorded += nd_recorded_time;
3625                                         base_interpol_time = nd_playback_total - FrameTime;
3626                                 }
3627                         }
3628
3629                         d_play = nd_playback_total - base_interpol_time;
3630                         interpolate_frame(d_play, d_recorded);
3631                         return;
3632                 }
3633                 else {
3634                         //mprintf ((0, "*"));
3635                         if (newdemo_read_frame_information() == -1) {
3636                                 newdemo_stop_playback();
3637                                 return;
3638                         }
3639                         if (playback_style == SKIP_PLAYBACK) {
3640                                 //mprintf ((0, "."));
3641                                 while (nd_playback_total > nd_recorded_total) {
3642                                         if (newdemo_read_frame_information() == -1) {
3643                                                 newdemo_stop_playback();
3644                                                 return;
3645                                         }
3646                                 }
3647                         }
3648                 }
3649         }
3650 }
3651
3652 void newdemo_start_recording()
3653 {
3654 #ifdef WINDOWS
3655         Newdemo_size=GetFreeDiskSpace();
3656         mprintf((0, "Free space = %d\n", Newdemo_size));
3657 #else
3658         Newdemo_size = GetDiskFree();
3659 #endif
3660
3661         Newdemo_size -= 100000;
3662
3663         if ((Newdemo_size+100000) <  2000000000) {
3664                 if (((int)(Newdemo_size)) < 500000) {
3665 #ifndef MACINTOSH
3666                         nm_messagebox(NULL, 1, TXT_OK, TXT_DEMO_NO_SPACE);
3667 #else
3668                         nm_messagebox(NULL, 1, TXT_OK, "Not enough space on current\ndrive to start demo recording.");
3669 #endif
3670                         return;
3671                 }
3672         }
3673
3674         Newdemo_num_written = 0;
3675         Newdemo_no_space=0;
3676         Newdemo_state = ND_STATE_RECORDING;
3677         outfile = fopen( DEMO_FILENAME, "wb" );
3678
3679 #ifndef MACINTOSH
3680         if (outfile == NULL && errno == ENOENT) {   //dir doesn't exist?
3681 #else
3682         if (outfile == NULL) {                      //dir doesn't exist and no errno on mac!
3683 #endif
3684                 d_mkdir(DEMO_DIR); //try making directory
3685                 outfile = fopen( DEMO_FILENAME, "wb" );
3686         }
3687
3688         if (outfile == NULL)
3689         {
3690                 nm_messagebox(NULL, 1, TXT_OK, "Cannot open demo temp file");
3691                 Newdemo_state = ND_STATE_NORMAL;
3692         }
3693         else
3694                 newdemo_record_start_demo();
3695
3696 }
3697
3698 char demoname_allowed_chars[] = "azAZ09__--";
3699 void newdemo_stop_recording()
3700 {
3701         newmenu_item m[6];
3702         int l, exit;
3703         static char filename[15] = "", *s;
3704         static ubyte tmpcnt = 0;
3705         ubyte cloaked = 0;
3706         char fullname[15+FILENAME_LEN] = DEMO_DIR;
3707         unsigned short byte_count = 0;
3708
3709         exit = 0;
3710
3711         nd_write_byte(ND_EVENT_EOF);
3712         nd_write_short(frame_bytes_written - 1);
3713         if (Game_mode & GM_MULTI) {
3714                 for (l = 0; l < N_players; l++) {
3715                         if (Players[l].flags & PLAYER_FLAGS_CLOAKED)
3716                                 cloaked |= (1 << l);
3717                 }
3718                 nd_write_byte(cloaked);
3719                 nd_write_byte(ND_EVENT_EOF);
3720         } else {
3721                 nd_write_short(ND_EVENT_EOF);
3722         }
3723         nd_write_short(ND_EVENT_EOF);
3724         nd_write_int(ND_EVENT_EOF);
3725
3726         byte_count += 10;       // from frame_bytes_written
3727
3728         nd_write_byte((byte)(f2ir(Players[Player_num].energy)));
3729         nd_write_byte((byte)(f2ir(Players[Player_num].shields)));
3730         nd_write_int(Players[Player_num].flags);        // be sure players flags are set
3731         nd_write_byte((byte)Primary_weapon);
3732         nd_write_byte((byte)Secondary_weapon);
3733         byte_count += 8;
3734
3735         for (l = 0; l < MAX_PRIMARY_WEAPONS; l++)
3736                 nd_write_short((short)Players[Player_num].primary_ammo[l]);
3737
3738         for (l = 0; l < MAX_SECONDARY_WEAPONS; l++)
3739                 nd_write_short((short)Players[Player_num].secondary_ammo[l]);
3740         byte_count += (sizeof(short) * (MAX_PRIMARY_WEAPONS + MAX_SECONDARY_WEAPONS));
3741
3742         nd_write_byte(Players[Player_num].laser_level);
3743         byte_count++;
3744
3745         if (Game_mode & GM_MULTI) {
3746                 nd_write_byte((byte)N_players);
3747                 byte_count++;
3748                 for (l = 0; l < N_players; l++) {
3749                         nd_write_string(Players[l].callsign);
3750                         byte_count += (strlen(Players[l].callsign) + 2);
3751                         nd_write_byte(Players[l].connected);
3752                         if (Game_mode & GM_MULTI_COOP) {
3753                                 nd_write_int(Players[l].score);
3754                                 byte_count += 5;
3755                         } else {
3756                                 nd_write_short((short)Players[l].net_killed_total);
3757                                 nd_write_short((short)Players[l].net_kills_total);
3758                                 byte_count += 5;
3759                         }
3760                 }
3761         } else {
3762                 nd_write_int(Players[Player_num].score);
3763                 byte_count += 4;
3764         }
3765         nd_write_short(byte_count);
3766
3767         nd_write_byte(Current_level_num);
3768         nd_write_byte(ND_EVENT_EOF);
3769
3770         l = ftell(outfile);
3771         fclose(outfile);
3772         outfile = NULL;
3773         Newdemo_state = ND_STATE_NORMAL;
3774         gr_palette_load( gr_palette );
3775
3776         if (filename[0] != '\0') {
3777                 int num, i = strlen(filename) - 1;
3778                 char newfile[15];
3779
3780                 while (isdigit(filename[i])) {
3781                         i--;
3782                         if (i == -1)
3783                                 break;
3784                 }
3785                 i++;
3786                 num = atoi(&(filename[i]));
3787                 num++;
3788                 filename[i] = '\0';
3789                 sprintf (newfile, "%s%d", filename, num);
3790                 strncpy(filename, newfile, 8);
3791                 filename[8] = '\0';
3792         }
3793
3794 try_again:
3795         ;
3796
3797         Newmenu_allowed_chars = demoname_allowed_chars;
3798         if (!Newdemo_no_space) {
3799                 m[0].type=NM_TYPE_INPUT; m[0].text_len = 8; m[0].text = filename;
3800                 exit = newmenu_do( NULL, TXT_SAVE_DEMO_AS, 1, &(m[0]), NULL );
3801         } else if (Newdemo_no_space == 1) {
3802                 m[ 0].type = NM_TYPE_TEXT; m[ 0].text = TXT_DEMO_SAVE_BAD;
3803                 m[ 1].type = NM_TYPE_INPUT;m[ 1].text_len = 8; m[1].text = filename;
3804                 exit = newmenu_do( NULL, NULL, 2, m, NULL );
3805         } else if (Newdemo_no_space == 2) {
3806                 m[ 0].type = NM_TYPE_TEXT; m[ 0].text = TXT_DEMO_SAVE_NOSPACE;
3807                 m[ 1].type = NM_TYPE_INPUT;m[ 1].text_len = 8; m[1].text = filename;
3808                 exit = newmenu_do( NULL, NULL, 2, m, NULL );
3809         }
3810         Newmenu_allowed_chars = NULL;
3811
3812         if (exit == -2) {                   // got bumped out from network menu
3813                 char save_file[7+FILENAME_LEN];
3814
3815                 if (filename[0] != '\0') {
3816                         strcpy(save_file, DEMO_DIR);
3817                         strcat(save_file, filename);
3818                         strcat(save_file, ".dem");
3819                 } else
3820                         sprintf (save_file, "%stmp%d.dem", DEMO_DIR, tmpcnt++);
3821                 remove(save_file);
3822                 rename(DEMO_FILENAME, save_file);
3823                 return;
3824         }
3825         if (exit == -1) {               // pressed ESC
3826                 remove(DEMO_FILENAME);      // might as well remove the file
3827                 return;                     // return without doing anything
3828         }
3829
3830         if (filename[0]==0) //null string
3831                 goto try_again;
3832
3833         //check to make sure name is ok
3834         for (s=filename;*s;s++)
3835                 if (!isalnum(*s) && *s!='_') {
3836                         nm_messagebox1(NULL, NULL,1,TXT_CONTINUE, TXT_DEMO_USE_LETTERS);
3837                         goto try_again;
3838                 }
3839
3840         if (Newdemo_no_space)
3841                 strcat(fullname, m[1].text);
3842         else
3843                 strcat(fullname, m[0].text);
3844         strcat(fullname, ".dem");
3845         remove(fullname);
3846         rename(DEMO_FILENAME, fullname);
3847 }
3848
3849 //returns the number of demo files on the disk
3850 int newdemo_count_demos()
3851 {
3852         FILEFINDSTRUCT find;
3853         int NumFiles=0;
3854
3855         if( !FileFindFirst( DEMO_DIR "*.dem", &find ) ) {
3856                 do {
3857                         NumFiles++;
3858                 } while( !FileFindNext( &find ) );
3859                 FileFindClose();
3860         }
3861
3862         if ( AltHogdir_initialized ) {
3863                 char search_name[PATH_MAX + 5];
3864                 strcpy(search_name, AltHogDir);
3865                 strcat(search_name, "/" DEMO_DIR "*.dem");
3866                 if( !FileFindFirst( search_name, &find ) ) {
3867                         do {
3868                                 NumFiles++;
3869                         } while( !FileFindNext( &find ) );
3870                         FileFindClose();
3871                 }
3872         }
3873
3874         return NumFiles;
3875 }
3876
3877 void newdemo_start_playback(char * filename)
3878 {
3879         FILEFINDSTRUCT find;
3880         int rnd_demo = 0;
3881         char filename2[PATH_MAX+FILENAME_LEN] = DEMO_DIR;
3882
3883 #ifdef NETWORK
3884         change_playernum_to(0);
3885 #endif
3886         First_time_playback=1;
3887         JasonPlaybackTotal=0;
3888
3889         if (filename==NULL) {
3890                 // Randomly pick a filename
3891                 int NumFiles = 0, RandFileNum;
3892                 rnd_demo = 1;
3893
3894                 NumFiles = newdemo_count_demos();
3895
3896                 if ( NumFiles == 0 ) {
3897                         return;     // No files found!
3898                 }
3899                 RandFileNum = d_rand() % NumFiles;
3900                 NumFiles = 0;
3901                 if( !FileFindFirst( DEMO_DIR "*.dem", &find ) ) {
3902                         do {
3903                                 if ( NumFiles==RandFileNum ) {
3904                                         filename = (char *)&find.name;
3905                                         break;
3906                                 }
3907                                 NumFiles++;
3908                         } while( !FileFindNext( &find ) );
3909                         FileFindClose();
3910                 }
3911
3912                 if ( filename == NULL && AltHogdir_initialized ) {
3913                         char search_name[PATH_MAX + 5];
3914                         strcpy(search_name, AltHogDir);
3915                         strcat(search_name, "/" DEMO_DIR "*.dem");
3916                         if( !FileFindFirst( search_name, &find ) ) {
3917                                 do {
3918                                         if ( NumFiles==RandFileNum ) {
3919                                                 filename = (char *)&find.name;
3920                                                 break;
3921                                         }
3922                                         NumFiles++;
3923                                 } while( !FileFindNext( &find ) );
3924                                 FileFindClose();
3925                         }
3926                 }
3927
3928                 if ( filename==NULL) return;
3929         }
3930
3931         if (!filename)
3932                 return;
3933
3934         strcat(filename2,filename);
3935
3936         infile = fopen( filename2, "rb" );
3937
3938         if (infile==NULL && AltHogdir_initialized) {
3939                 strcpy(filename2, AltHogDir);
3940                 strcat(filename2, "/" DEMO_DIR);
3941                 strcat(filename2, filename);
3942                 infile = fopen( filename2, "rb" );
3943         }
3944
3945         if (infile==NULL) {
3946                 mprintf( (0, "Error reading '%s'\n", filename ));
3947                 return;
3948         }
3949
3950         nd_bad_read = 0;
3951 #ifdef NETWORK
3952         change_playernum_to(0);                 // force playernum to 0
3953 #endif
3954         strncpy(nd_save_callsign, Players[Player_num].callsign, CALLSIGN_LEN);
3955         Viewer = ConsoleObject = &Objects[0];   // play properly as if console player
3956         if (newdemo_read_demo_start(rnd_demo)) {
3957                 fclose(infile);
3958                 return;
3959         }
3960
3961         Game_mode = GM_NORMAL;
3962         Newdemo_state = ND_STATE_PLAYBACK;
3963         Newdemo_vcr_state = ND_STATE_PLAYBACK;
3964         Newdemo_old_cockpit = Cockpit_mode;
3965         Newdemo_size = filelength(fileno(infile));
3966         nd_bad_read = 0;
3967         Newdemo_at_eof = 0;
3968         NewdemoFrameCount = 0;
3969         Newdemo_players_cloaked = 0;
3970         playback_style = NORMAL_PLAYBACK;
3971         Function_mode = FMODE_GAME;
3972         Cockpit_3d_view[0] = CV_NONE;       //turn off 3d views on cockpit
3973         Cockpit_3d_view[1] = CV_NONE;       //turn off 3d views on cockpit
3974         newdemo_playback_one_frame();       // this one loads new level
3975         newdemo_playback_one_frame();       // get all of the objects to renderb game
3976 }
3977
3978 void newdemo_stop_playback()
3979 {
3980         fclose( infile );
3981         Newdemo_state = ND_STATE_NORMAL;
3982 #ifdef NETWORK
3983         change_playernum_to(0);             //this is reality
3984 #endif
3985         strncpy(Players[Player_num].callsign, nd_save_callsign, CALLSIGN_LEN);
3986         Cockpit_mode = Newdemo_old_cockpit;
3987         Game_mode = GM_GAME_OVER;
3988         Function_mode = FMODE_MENU;
3989         longjmp(LeaveGame,0);               // Exit game loop
3990 }
3991
3992
3993 #ifndef NDEBUG
3994
3995 #define BUF_SIZE 16384
3996
3997 void newdemo_strip_frames(char *outname, int bytes_to_strip)
3998 {
3999         FILE *outfile;
4000         char *buf;
4001         int total_size, bytes_done, read_elems, bytes_back;
4002         int trailer_start, loc1, loc2, stop_loc, bytes_to_read;
4003         short last_frame_length;
4004
4005         bytes_done = 0;
4006         total_size = filelength(fileno(infile));
4007         outfile = fopen(outname, "wb");
4008         if (outfile == NULL) {
4009                 newmenu_item m[1];
4010
4011                 m[ 0].type = NM_TYPE_TEXT; m[ 0].text = "Can't open output file";
4012                 newmenu_do( NULL, NULL, 1, m, NULL );
4013                 newdemo_stop_playback();
4014                 return;
4015         }
4016         buf = d_malloc(BUF_SIZE);
4017         if (buf == NULL) {
4018                 newmenu_item m[1];
4019
4020                 m[ 0].type = NM_TYPE_TEXT; m[ 0].text = "Can't malloc output buffer";
4021                 newmenu_do( NULL, NULL, 1, m, NULL );
4022                 fclose(outfile);
4023                 newdemo_stop_playback();
4024                 return;
4025         }
4026         newdemo_goto_end();
4027         trailer_start = ftell(infile);
4028         fseek(infile, 11, SEEK_CUR);
4029         bytes_back = 0;
4030         while (bytes_back < bytes_to_strip) {
4031                 loc1 = ftell(infile);
4032                 //fseek(infile, -10, SEEK_CUR);
4033                 //nd_read_short(&last_frame_length);
4034                 //fseek(infile, 8 - last_frame_length, SEEK_CUR);
4035                 newdemo_back_frames(1);
4036                 loc2 = ftell(infile);
4037                 bytes_back += (loc1 - loc2);
4038         }
4039         fseek(infile, -10, SEEK_CUR);
4040         nd_read_short(&last_frame_length);
4041         fseek(infile, -3, SEEK_CUR);
4042         stop_loc = ftell(infile);
4043         fseek(infile, 0, SEEK_SET);
4044         while (stop_loc > 0) {
4045                 if (stop_loc < BUF_SIZE)
4046                         bytes_to_read = stop_loc;
4047                 else
4048                         bytes_to_read = BUF_SIZE;
4049                 read_elems = fread(buf, 1, bytes_to_read, infile);
4050                 fwrite(buf, 1, read_elems, outfile);
4051                 stop_loc -= read_elems;
4052         }
4053         stop_loc = ftell(outfile);
4054         fseek(infile, trailer_start, SEEK_SET);
4055         while ((read_elems = fread(buf, 1, BUF_SIZE, infile)) != 0)
4056                 fwrite(buf, 1, read_elems, outfile);
4057         fseek(outfile, stop_loc, SEEK_SET);
4058         fseek(outfile, 1, SEEK_CUR);
4059         fwrite(&last_frame_length, 2, 1, outfile);
4060         fclose(outfile);
4061         newdemo_stop_playback();
4062
4063 }
4064
4065 #endif
4066
4067 object DemoRightExtra,DemoLeftExtra;
4068 ubyte DemoDoRight=0,DemoDoLeft=0;
4069
4070 void nd_render_extras (ubyte which,object *obj)
4071 {
4072         ubyte w=which>>4;
4073         ubyte type=which&15;
4074
4075         if (which==255)
4076         {
4077                 Int3(); // how'd we get here?
4078                 do_cockpit_window_view(w,NULL,0,WBU_WEAPON,NULL);
4079                 return;
4080         }
4081
4082         if (w)
4083         {
4084                 memcpy (&DemoRightExtra,obj,sizeof(object));  DemoDoRight=type;
4085         }
4086         else
4087         {
4088                 memcpy (&DemoLeftExtra,obj,sizeof(object)); DemoDoLeft=type;
4089         }
4090
4091 }
4092
4093 void DoJasonInterpolate (fix recorded_time)
4094 {
4095         fix the_delay;
4096
4097         JasonPlaybackTotal+=FrameTime;
4098
4099         if (!First_time_playback)
4100         {
4101                 // get the difference between the recorded time and the playback time
4102                 the_delay=(recorded_time - FrameTime);
4103                 //mprintf ((0,"The delay=%d\n", f2i(the_delay)));
4104                 if (the_delay >= f0_0)
4105                 {
4106                         stop_time();
4107                         timer_delay(the_delay);
4108                         start_time();
4109                 }
4110                 else
4111                 {
4112                         while (JasonPlaybackTotal > nd_recorded_total)
4113                                 if (newdemo_read_frame_information() == -1)
4114                                 {
4115                                         newdemo_stop_playback();
4116                                         return;
4117                                 }
4118
4119                         //the_delay = nd_recorded_total - JasonPlaybackTotal;
4120                         //if (the_delay > f0_0)
4121                         //      timer_delay(the_delay);
4122                 }
4123
4124         }
4125
4126         First_time_playback=0;
4127 }
4128
4129 #ifdef MACINTOSH
4130 #pragma global_optimizer reset
4131 #endif
4132