main/gamesave.c

   1 /* $Id $ */
   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  * Save game information
  18  *
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <conf.h>
  24 #endif
  25
  26 #ifdef RCS
  27 char gamesave_rcsid[] = "$Id: gamesave.c,v 1.19 2003-04-03 07:15:43 btb Exp $";
  28 #endif
  29
  30 #include <stdio.h>
  31 #include <string.h>
  32
  33 #include "pstypes.h"
  34 #include "strutil.h"
  35 #include "mono.h"
  36 #include "key.h"
  37 #include "gr.h"
  38 #include "palette.h"
  39 #include "newmenu.h"
  40
  41 #include "inferno.h"
  42 #ifdef EDITOR
  43 #include "editor/editor.h"
  44 #endif
  45 #include "error.h"
  46 #include "object.h"
  47 #include "game.h"
  48 #include "screens.h"
  49 #include "wall.h"
  50 #include "gamemine.h"
  51 #include "robot.h"
  52
  53
  54 #include "cfile.h"
  55 #include "bm.h"
  56 #include "menu.h"
  57 #include "switch.h"
  58 #include "fuelcen.h"
  59 #include "cntrlcen.h"
  60 #include "powerup.h"
  61 #include "weapon.h"
  62 #include "newdemo.h"
  63 #include "gameseq.h"
  64 #include "automap.h"
  65 #include "polyobj.h"
  66 #include "text.h"
  67 #include "gamefont.h"
  68 #include "gamesave.h"
  69 #include "gamepal.h"
  70 #include "laser.h"
  71 #include "byteswap.h"
  72 #include "multi.h"
  73 #include "makesig.h"
  74
  75 char Gamesave_current_filename[128];
  76
  77 int Gamesave_current_version;
  78
  79 #define GAME_VERSION            32
  80 #define GAME_COMPATIBLE_VERSION 22
  81
  82 //version 28->29  add delta light support
  83 //version 27->28  controlcen id now is reactor number, not model number
  84 //version 28->29  ??
  85 //version 29->30  changed trigger structure
  86 //version 30->31  changed trigger structure some more
  87 //version 31->32  change segment structure, make it 512 bytes w/o editor, add Segment2s array.
  88
  89 #define MENU_CURSOR_X_MIN       MENU_X
  90 #define MENU_CURSOR_X_MAX       MENU_X+6
  91
  92 struct {
  93         ushort  fileinfo_signature;
  94         ushort  fileinfo_version;
  95         int     fileinfo_sizeof;
  96 } game_top_fileinfo;    // Should be same as first two fields below...
  97
  98 struct {
  99         ushort  fileinfo_signature;
 100         ushort  fileinfo_version;
 101         int     fileinfo_sizeof;
 102         char    mine_filename[15];
 103         int     level;
 104         int     player_offset;              // Player info
 105         int     player_sizeof;
 106         int     object_offset;              // Object info
 107         int     object_howmany;
 108         int     object_sizeof;
 109         int     walls_offset;
 110         int     walls_howmany;
 111         int     walls_sizeof;
 112         int     doors_offset;
 113         int     doors_howmany;
 114         int     doors_sizeof;
 115         int     triggers_offset;
 116         int     triggers_howmany;
 117         int     triggers_sizeof;
 118         int     links_offset;
 119         int     links_howmany;
 120         int     links_sizeof;
 121         int     control_offset;
 122         int     control_howmany;
 123         int     control_sizeof;
 124         int     matcen_offset;
 125         int     matcen_howmany;
 126         int     matcen_sizeof;
 127         int     dl_indices_offset;
 128         int     dl_indices_howmany;
 129         int     dl_indices_sizeof;
 130         int     delta_light_offset;
 131         int     delta_light_howmany;
 132         int     delta_light_sizeof;
 133 } game_fileinfo;
 134
 135 //  LINT: adding function prototypes
 136 void read_object(object *obj, CFILE *f, int version);
 137 void write_object(object *obj, FILE *f);
 138 void do_load_save_levels(int save);
 139 void dump_mine_info(void);
 140
 141 extern char MaxPowerupsAllowed[MAX_POWERUP_TYPES];
 142 extern char PowerupsInMine[MAX_POWERUP_TYPES];
 143
 144 #ifdef EDITOR
 145 extern char mine_filename[];
 146 extern int save_mine_data_compiled(FILE * SaveFile);
 147 //--unused-- #else
 148 //--unused-- char mine_filename[128];
 149 #endif
 150
 151 int Gamesave_num_org_robots = 0;
 152 //--unused-- grs_bitmap * Gamesave_saved_bitmap = NULL;
 153
 154 #ifdef EDITOR
 155 // Return true if this level has a name of the form "level??"
 156 // Note that a pathspec can appear at the beginning of the filename.
 157 int is_real_level(char *filename)
 158 {
 159         int len = strlen(filename);
 160
 161         if (len < 6)
 162                 return 0;
 163
 164         //mprintf((0, "String = [%s]\n", &filename[len-11]));
 165         return !strnicmp(&filename[len-11], "level", 5);
 166
 167 }
 168 #endif
 169
 170 void change_filename_extension( char *dest, char *src, char *new_ext )
 171 {
 172         int i;
 173
 174         strcpy (dest, src);
 175
 176         if (new_ext[0]=='.')
 177                 new_ext++;
 178
 179         for (i=1; i<strlen(dest); i++ )
 180                 if (dest[i]=='.'||dest[i]==' '||dest[i]==0)
 181                         break;
 182
 183         if (i < 123) {
 184                 dest[i]='.';
 185                 dest[i+1]=new_ext[0];
 186                 dest[i+2]=new_ext[1];
 187                 dest[i+3]=new_ext[2];
 188                 dest[i+4]=0;
 189                 return;
 190         }
 191 }
 192
 193 //--unused-- vms_angvec zero_angles={0,0,0};
 194
 195 #define vm_angvec_zero(v) do {(v)->p=(v)->b=(v)->h=0;} while (0)
 196
 197 int Gamesave_num_players=0;
 198
 199 int N_save_pof_names;
 200 char Save_pof_names[MAX_POLYGON_MODELS][FILENAME_LEN];
 201
 202 void check_and_fix_matrix(vms_matrix *m);
 203
 204 void verify_object( object * obj )      {
 205
 206         obj->lifeleft = IMMORTAL_TIME;          //all loaded object are immortal, for now
 207
 208         if ( obj->type == OBJ_ROBOT )   {
 209                 Gamesave_num_org_robots++;
 210
 211                 // Make sure valid id...
 212                 if ( obj->id >= N_robot_types )
 213                         obj->id = obj->id % N_robot_types;
 214
 215                 // Make sure model number & size are correct...
 216                 if ( obj->render_type == RT_POLYOBJ ) {
 217                         Assert(Robot_info[obj->id].model_num != -1);
 218                                 //if you fail this assert, it means that a robot in this level
 219                                 //hasn't been loaded, possibly because he's marked as
 220                                 //non-shareware.  To see what robot number, print obj->id.
 221
 222                         Assert(Robot_info[obj->id].always_0xabcd == 0xabcd);
 223                                 //if you fail this assert, it means that the robot_ai for
 224                                 //a robot in this level hasn't been loaded, possibly because
 225                                 //it's marked as non-shareware.  To see what robot number,
 226                                 //print obj->id.
 227
 228                         obj->rtype.pobj_info.model_num = Robot_info[obj->id].model_num;
 229                         obj->size = Polygon_models[obj->rtype.pobj_info.model_num].rad;
 230
 231                         //@@Took out this ugly hack 1/12/96, because Mike has added code
 232                         //@@that should fix it in a better way.
 233                         //@@//this is a super-ugly hack.  Since the baby stripe robots have
 234                         //@@//their firing point on their bounding sphere, the firing points
 235                         //@@//can poke through a wall if the robots are very close to it. So
 236                         //@@//we make their radii bigger so the guns can't get too close to
 237                         //@@//the walls
 238                         //@@if (Robot_info[obj->id].flags & RIF_BIG_RADIUS)
 239                         //@@    obj->size = (obj->size*3)/2;
 240
 241                         //@@if (obj->control_type==CT_AI && Robot_info[obj->id].attack_type)
 242                         //@@    obj->size = obj->size*3/4;
 243                 }
 244
 245                 if (obj->id == 65)                                              //special "reactor" robots
 246                         obj->movement_type = MT_NONE;
 247
 248                 if (obj->movement_type == MT_PHYSICS) {
 249                         obj->mtype.phys_info.mass = Robot_info[obj->id].mass;
 250                         obj->mtype.phys_info.drag = Robot_info[obj->id].drag;
 251                 }
 252         }
 253         else {          //Robots taken care of above
 254
 255                 if ( obj->render_type == RT_POLYOBJ ) {
 256                         int i;
 257                         char *name = Save_pof_names[obj->rtype.pobj_info.model_num];
 258
 259                         for (i=0;i<N_polygon_models;i++)
 260                                 if (!stricmp(Pof_names[i],name)) {              //found it!
 261                                         // mprintf((0,"Mapping <%s> to %d (was %d)\n",name,i,obj->rtype.pobj_info.model_num));
 262                                         obj->rtype.pobj_info.model_num = i;
 263                                         break;
 264                                 }
 265                 }
 266         }
 267
 268         if ( obj->type == OBJ_POWERUP ) {
 269                 if ( obj->id >= N_powerup_types )       {
 270                         obj->id = 0;
 271                         Assert( obj->render_type != RT_POLYOBJ );
 272                 }
 273                 obj->control_type = CT_POWERUP;
 274                 obj->size = Powerup_info[obj->id].size;
 275                 obj->ctype.powerup_info.creation_time = 0;
 276
 277 #ifdef NETWORK
 278                 if (Game_mode & GM_NETWORK)
 279                         {
 280                           if (multi_powerup_is_4pack(obj->id))
 281                                 {
 282                                  PowerupsInMine[obj->id-1]+=4;
 283                                  MaxPowerupsAllowed[obj->id-1]+=4;
 284                                 }
 285                           PowerupsInMine[obj->id]++;
 286                      MaxPowerupsAllowed[obj->id]++;
 287                           mprintf ((0,"PowerupLimiter: ID=%d\n",obj->id));
 288                           if (obj->id>MAX_POWERUP_TYPES)
 289                                 mprintf ((1,"POWERUP: Overwriting array bounds!! Get JL!\n"));
 290                         }
 291 #endif
 292
 293         }
 294
 295         if ( obj->type == OBJ_WEAPON )  {
 296                 if ( obj->id >= N_weapon_types )        {
 297                         obj->id = 0;
 298                         Assert( obj->render_type != RT_POLYOBJ );
 299                 }
 300
 301                 if (obj->id == PMINE_ID) {              //make sure pmines have correct values
 302
 303                         obj->mtype.phys_info.mass = Weapon_info[obj->id].mass;
 304                         obj->mtype.phys_info.drag = Weapon_info[obj->id].drag;
 305                         obj->mtype.phys_info.flags |= PF_FREE_SPINNING;
 306
 307                         // Make sure model number & size are correct...
 308                         Assert( obj->render_type == RT_POLYOBJ );
 309
 310                         obj->rtype.pobj_info.model_num = Weapon_info[obj->id].model_num;
 311                         obj->size = Polygon_models[obj->rtype.pobj_info.model_num].rad;
 312                 }
 313         }
 314
 315         if ( obj->type == OBJ_CNTRLCEN ) {
 316
 317                 obj->render_type = RT_POLYOBJ;
 318                 obj->control_type = CT_CNTRLCEN;
 319
 320                 if (Gamesave_current_version <= 1) { // descent 1 reactor
 321                         obj->id = 0;                         // used to be only one kind of reactor
 322                         obj->rtype.pobj_info.model_num = Reactors[0].model_num;// descent 1 reactor
 323                 }
 324                 //@@// Make model number is correct...
 325                 //@@for (i=0; i<Num_total_object_types; i++ )
 326                 //@@    if ( ObjType[i] == OL_CONTROL_CENTER ) {
 327                 //@@            obj->rtype.pobj_info.model_num = ObjId[i];
 328                 //@@            obj->shields = ObjStrength[i];
 329                 //@@            break;
 330                 //@@    }
 331
 332                 #ifdef EDITOR
 333                 {
 334                 int i;
 335                 // Check, and set, strength of reactor
 336                 for (i=0; i<Num_total_object_types; i++ )
 337                         if ( ObjType[i]==OL_CONTROL_CENTER && ObjId[i] == obj->id ) {
 338                                 obj->shields = ObjStrength[i];
 339                                 break;
 340                         }
 341                 Assert(i < Num_total_object_types);             //make sure we found it
 342                 }
 343                 #endif
 344         }
 345
 346         if ( obj->type == OBJ_PLAYER )  {
 347                 //int i;
 348
 349                 //Assert(obj == Player);
 350
 351                 if ( obj == ConsoleObject )
 352                         init_player_object();
 353                 else
 354                         if (obj->render_type == RT_POLYOBJ)     //recover from Matt's pof file matchup bug
 355                                 obj->rtype.pobj_info.model_num = Player_ship->model_num;
 356
 357                 //Make sure orient matrix is orthogonal
 358                 check_and_fix_matrix(&obj->orient);
 359
 360                 obj->id = Gamesave_num_players++;
 361         }
 362
 363         if (obj->type == OBJ_HOSTAGE) {
 364
 365                 //@@if (obj->id > N_hostage_types)
 366                 //@@    obj->id = 0;
 367
 368                 obj->render_type = RT_HOSTAGE;
 369                 obj->control_type = CT_POWERUP;
 370         }
 371
 372 }
 373
 374 //static gs_skip(int len,CFILE *file)
 375 //{
 376 //
 377 //      cfseek(file,len,SEEK_CUR);
 378 //}
 379
 380 #ifdef EDITOR
 381 static void gs_write_int(int i,FILE *file)
 382 {
 383         if (fwrite( &i, sizeof(i), 1, file) != 1)
 384                 Error( "Error reading int in gamesave.c" );
 385
 386 }
 387
 388 static void gs_write_fix(fix f,FILE *file)
 389 {
 390         if (fwrite( &f, sizeof(f), 1, file) != 1)
 391                 Error( "Error reading fix in gamesave.c" );
 392
 393 }
 394
 395 static void gs_write_short(short s,FILE *file)
 396 {
 397         if (fwrite( &s, sizeof(s), 1, file) != 1)
 398                 Error( "Error reading short in gamesave.c" );
 399
 400 }
 401
 402 static void gs_write_fixang(fixang f,FILE *file)
 403 {
 404         if (fwrite( &f, sizeof(f), 1, file) != 1)
 405                 Error( "Error reading fixang in gamesave.c" );
 406
 407 }
 408
 409 static void gs_write_byte(byte b,FILE *file)
 410 {
 411         if (fwrite( &b, sizeof(b), 1, file) != 1)
 412                 Error( "Error reading byte in gamesave.c" );
 413
 414 }
 415
 416 static void gr_write_vector(vms_vector *v,FILE *file)
 417 {
 418         gs_write_fix(v->x,file);
 419         gs_write_fix(v->y,file);
 420         gs_write_fix(v->z,file);
 421 }
 422
 423 static void gs_write_matrix(vms_matrix *m,FILE *file)
 424 {
 425         gr_write_vector(&m->rvec,file);
 426         gr_write_vector(&m->uvec,file);
 427         gr_write_vector(&m->fvec,file);
 428 }
 429
 430 static void gs_write_angvec(vms_angvec *v,FILE *file)
 431 {
 432         gs_write_fixang(v->p,file);
 433         gs_write_fixang(v->b,file);
 434         gs_write_fixang(v->h,file);
 435 }
 436
 437 #endif
 438
 439
 440 extern int multi_powerup_is_4pack(int);
 441 //reads one object of the given version from the given file
 442 void read_object(object *obj,CFILE *f,int version)
 443 {
 444
 445         obj->type           = cfile_read_byte(f);
 446         obj->id             = cfile_read_byte(f);
 447
 448         obj->control_type   = cfile_read_byte(f);
 449         obj->movement_type  = cfile_read_byte(f);
 450         obj->render_type    = cfile_read_byte(f);
 451         obj->flags          = cfile_read_byte(f);
 452
 453         obj->segnum         = cfile_read_short(f);
 454         obj->attached_obj   = -1;
 455
 456         cfile_read_vector(&obj->pos,f);
 457         cfile_read_matrix(&obj->orient,f);
 458
 459         obj->size           = cfile_read_fix(f);
 460         obj->shields        = cfile_read_fix(f);
 461
 462         cfile_read_vector(&obj->last_pos,f);
 463
 464         obj->contains_type  = cfile_read_byte(f);
 465         obj->contains_id    = cfile_read_byte(f);
 466         obj->contains_count = cfile_read_byte(f);
 467
 468         switch (obj->movement_type) {
 469
 470                 case MT_PHYSICS:
 471
 472                         cfile_read_vector(&obj->mtype.phys_info.velocity,f);
 473                         cfile_read_vector(&obj->mtype.phys_info.thrust,f);
 474
 475                         obj->mtype.phys_info.mass               = cfile_read_fix(f);
 476                         obj->mtype.phys_info.drag               = cfile_read_fix(f);
 477                         obj->mtype.phys_info.brakes     = cfile_read_fix(f);
 478
 479                         cfile_read_vector(&obj->mtype.phys_info.rotvel,f);
 480                         cfile_read_vector(&obj->mtype.phys_info.rotthrust,f);
 481
 482                         obj->mtype.phys_info.turnroll   = cfile_read_fixang(f);
 483                         obj->mtype.phys_info.flags              = cfile_read_short(f);
 484
 485                         break;
 486
 487                 case MT_SPINNING:
 488
 489                         cfile_read_vector(&obj->mtype.spin_rate,f);
 490                         break;
 491
 492                 case MT_NONE:
 493                         break;
 494
 495                 default:
 496                         Int3();
 497         }
 498
 499         switch (obj->control_type) {
 500
 501                 case CT_AI: {
 502                         int i;
 503
 504                         obj->ctype.ai_info.behavior                             = cfile_read_byte(f);
 505
 506                         for (i=0;i<MAX_AI_FLAGS;i++)
 507                                 obj->ctype.ai_info.flags[i]                     = cfile_read_byte(f);
 508
 509                         obj->ctype.ai_info.hide_segment                 = cfile_read_short(f);
 510                         obj->ctype.ai_info.hide_index                   = cfile_read_short(f);
 511                         obj->ctype.ai_info.path_length                  = cfile_read_short(f);
 512                         obj->ctype.ai_info.cur_path_index               = cfile_read_short(f);
 513
 514                         if (version <= 25) {
 515                                 cfile_read_short(f);    //                              obj->ctype.ai_info.follow_path_start_seg        =
 516                                 cfile_read_short(f);    //                              obj->ctype.ai_info.follow_path_end_seg          =
 517                         }
 518
 519                         break;
 520                 }
 521
 522                 case CT_EXPLOSION:
 523
 524                         obj->ctype.expl_info.spawn_time         = cfile_read_fix(f);
 525                         obj->ctype.expl_info.delete_time                = cfile_read_fix(f);
 526                         obj->ctype.expl_info.delete_objnum      = cfile_read_short(f);
 527                         obj->ctype.expl_info.next_attach = obj->ctype.expl_info.prev_attach = obj->ctype.expl_info.attach_parent = -1;
 528
 529                         break;
 530
 531                 case CT_WEAPON:
 532
 533                         //do I really need to read these?  Are they even saved to disk?
 534
 535                         obj->ctype.laser_info.parent_type               = cfile_read_short(f);
 536                         obj->ctype.laser_info.parent_num                = cfile_read_short(f);
 537                         obj->ctype.laser_info.parent_signature  = cfile_read_int(f);
 538
 539                         break;
 540
 541                 case CT_LIGHT:
 542
 543                         obj->ctype.light_info.intensity = cfile_read_fix(f);
 544                         break;
 545
 546                 case CT_POWERUP:
 547
 548                         if (version >= 25)
 549                                 obj->ctype.powerup_info.count = cfile_read_int(f);
 550                         else
 551                                 obj->ctype.powerup_info.count = 1;
 552
 553                         if (obj->id == POW_VULCAN_WEAPON)
 554                                         obj->ctype.powerup_info.count = VULCAN_WEAPON_AMMO_AMOUNT;
 555
 556                         if (obj->id == POW_GAUSS_WEAPON)
 557                                         obj->ctype.powerup_info.count = VULCAN_WEAPON_AMMO_AMOUNT;
 558
 559                         if (obj->id == POW_OMEGA_WEAPON)
 560                                         obj->ctype.powerup_info.count = MAX_OMEGA_CHARGE;
 561
 562                         break;
 563
 564
 565                 case CT_NONE:
 566                 case CT_FLYING:
 567                 case CT_DEBRIS:
 568                         break;
 569
 570                 case CT_SLEW:           //the player is generally saved as slew
 571                         break;
 572
 573                 case CT_CNTRLCEN:
 574                         break;
 575
 576                 case CT_MORPH:
 577                 case CT_FLYTHROUGH:
 578                 case CT_REPAIRCEN:
 579                 default:
 580                         Int3();
 581
 582         }
 583
 584         switch (obj->render_type) {
 585
 586                 case RT_NONE:
 587                         break;
 588
 589                 case RT_MORPH:
 590                 case RT_POLYOBJ: {
 591                         int i,tmo;
 592
 593                         obj->rtype.pobj_info.model_num          = cfile_read_int(f);
 594
 595                         for (i=0;i<MAX_SUBMODELS;i++)
 596                                 cfile_read_angvec(&obj->rtype.pobj_info.anim_angles[i],f);
 597
 598                         obj->rtype.pobj_info.subobj_flags       = cfile_read_int(f);
 599
 600                         tmo = cfile_read_int(f);
 601
 602                         #ifndef EDITOR
 603                         obj->rtype.pobj_info.tmap_override      = tmo;
 604                         #else
 605                         if (tmo==-1)
 606                                 obj->rtype.pobj_info.tmap_override      = -1;
 607                         else {
 608                                 int xlated_tmo = tmap_xlate_table[tmo];
 609                                 if (xlated_tmo < 0)     {
 610                                         mprintf( (0, "Couldn't find texture for demo object, model_num = %d\n", obj->rtype.pobj_info.model_num));
 611                                         Int3();
 612                                         xlated_tmo = 0;
 613                                 }
 614                                 obj->rtype.pobj_info.tmap_override      = xlated_tmo;
 615                         }
 616                         #endif
 617
 618                         obj->rtype.pobj_info.alt_textures       = 0;
 619
 620                         break;
 621                 }
 622
 623                 case RT_WEAPON_VCLIP:
 624                 case RT_HOSTAGE:
 625                 case RT_POWERUP:
 626                 case RT_FIREBALL:
 627
 628                         obj->rtype.vclip_info.vclip_num = cfile_read_int(f);
 629                         obj->rtype.vclip_info.frametime = cfile_read_fix(f);
 630                         obj->rtype.vclip_info.framenum  = cfile_read_byte(f);
 631
 632                         break;
 633
 634                 case RT_LASER:
 635                         break;
 636
 637                 default:
 638                         Int3();
 639
 640         }
 641
 642 }
 643
 644 #ifdef EDITOR
 645
 646 //writes one object to the given file
 647 void write_object(object *obj,FILE *f)
 648 {
 649         gs_write_byte(obj->type,f);
 650         gs_write_byte(obj->id,f);
 651
 652         gs_write_byte(obj->control_type,f);
 653         gs_write_byte(obj->movement_type,f);
 654         gs_write_byte(obj->render_type,f);
 655         gs_write_byte(obj->flags,f);
 656
 657         gs_write_short(obj->segnum,f);
 658
 659         gr_write_vector(&obj->pos,f);
 660         gs_write_matrix(&obj->orient,f);
 661
 662         gs_write_fix(obj->size,f);
 663         gs_write_fix(obj->shields,f);
 664
 665         gr_write_vector(&obj->last_pos,f);
 666
 667         gs_write_byte(obj->contains_type,f);
 668         gs_write_byte(obj->contains_id,f);
 669         gs_write_byte(obj->contains_count,f);
 670
 671         switch (obj->movement_type) {
 672
 673                 case MT_PHYSICS:
 674
 675                         gr_write_vector(&obj->mtype.phys_info.velocity,f);
 676                         gr_write_vector(&obj->mtype.phys_info.thrust,f);
 677
 678                         gs_write_fix(obj->mtype.phys_info.mass,f);
 679                         gs_write_fix(obj->mtype.phys_info.drag,f);
 680                         gs_write_fix(obj->mtype.phys_info.brakes,f);
 681
 682                         gr_write_vector(&obj->mtype.phys_info.rotvel,f);
 683                         gr_write_vector(&obj->mtype.phys_info.rotthrust,f);
 684
 685                         gs_write_fixang(obj->mtype.phys_info.turnroll,f);
 686                         gs_write_short(obj->mtype.phys_info.flags,f);
 687
 688                         break;
 689
 690                 case MT_SPINNING:
 691
 692                         gr_write_vector(&obj->mtype.spin_rate,f);
 693                         break;
 694
 695                 case MT_NONE:
 696                         break;
 697
 698                 default:
 699                         Int3();
 700         }
 701
 702         switch (obj->control_type) {
 703
 704                 case CT_AI: {
 705                         int i;
 706
 707                         gs_write_byte(obj->ctype.ai_info.behavior,f);
 708
 709                         for (i=0;i<MAX_AI_FLAGS;i++)
 710                                 gs_write_byte(obj->ctype.ai_info.flags[i],f);
 711
 712                         gs_write_short(obj->ctype.ai_info.hide_segment,f);
 713                         gs_write_short(obj->ctype.ai_info.hide_index,f);
 714                         gs_write_short(obj->ctype.ai_info.path_length,f);
 715                         gs_write_short(obj->ctype.ai_info.cur_path_index,f);
 716
 717                         // -- unused! mk, 08/13/95 -- gs_write_short(obj->ctype.ai_info.follow_path_start_seg,f);
 718                         // -- unused! mk, 08/13/95 -- gs_write_short(obj->ctype.ai_info.follow_path_end_seg,f);
 719
 720                         break;
 721                 }
 722
 723                 case CT_EXPLOSION:
 724
 725                         gs_write_fix(obj->ctype.expl_info.spawn_time,f);
 726                         gs_write_fix(obj->ctype.expl_info.delete_time,f);
 727                         gs_write_short(obj->ctype.expl_info.delete_objnum,f);
 728
 729                         break;
 730
 731                 case CT_WEAPON:
 732
 733                         //do I really need to write these objects?
 734
 735                         gs_write_short(obj->ctype.laser_info.parent_type,f);
 736                         gs_write_short(obj->ctype.laser_info.parent_num,f);
 737                         gs_write_int(obj->ctype.laser_info.parent_signature,f);
 738
 739                         break;
 740
 741                 case CT_LIGHT:
 742
 743                         gs_write_fix(obj->ctype.light_info.intensity,f);
 744                         break;
 745
 746                 case CT_POWERUP:
 747
 748                         gs_write_int(obj->ctype.powerup_info.count,f);
 749                         break;
 750
 751                 case CT_NONE:
 752                 case CT_FLYING:
 753                 case CT_DEBRIS:
 754                         break;
 755
 756                 case CT_SLEW:           //the player is generally saved as slew
 757                         break;
 758
 759                 case CT_CNTRLCEN:
 760                         break;                  //control center object.
 761
 762                 case CT_MORPH:
 763                 case CT_REPAIRCEN:
 764                 case CT_FLYTHROUGH:
 765                 default:
 766                         Int3();
 767
 768         }
 769
 770         switch (obj->render_type) {
 771
 772                 case RT_NONE:
 773                         break;
 774
 775                 case RT_MORPH:
 776                 case RT_POLYOBJ: {
 777                         int i;
 778
 779                         gs_write_int(obj->rtype.pobj_info.model_num,f);
 780
 781                         for (i=0;i<MAX_SUBMODELS;i++)
 782                                 gs_write_angvec(&obj->rtype.pobj_info.anim_angles[i],f);
 783
 784                         gs_write_int(obj->rtype.pobj_info.subobj_flags,f);
 785
 786                         gs_write_int(obj->rtype.pobj_info.tmap_override,f);
 787
 788                         break;
 789                 }
 790
 791                 case RT_WEAPON_VCLIP:
 792                 case RT_HOSTAGE:
 793                 case RT_POWERUP:
 794                 case RT_FIREBALL:
 795
 796                         gs_write_int(obj->rtype.vclip_info.vclip_num,f);
 797                         gs_write_fix(obj->rtype.vclip_info.frametime,f);
 798                         gs_write_byte(obj->rtype.vclip_info.framenum,f);
 799
 800                         break;
 801
 802                 case RT_LASER:
 803                         break;
 804
 805                 default:
 806                         Int3();
 807
 808         }
 809
 810 }
 811 #endif
 812
 813 extern int remove_trigger_num(int trigger_num);
 814
 815 // -----------------------------------------------------------------------------
 816 // Load game
 817 // Loads all the relevant data for a level.
 818 // If level != -1, it loads the filename with extension changed to .min
 819 // Otherwise it loads the appropriate level mine.
 820 // returns 0=everything ok, 1=old version, -1=error
 821 int load_game_data(CFILE *LoadFile)
 822 {
 823         int i,j;
 824         int start_offset;
 825
 826         start_offset = cftell(LoadFile);
 827
 828         //===================== READ FILE INFO ========================
 829
 830         // Set default values
 831         game_fileinfo.level                                     =       -1;
 832         game_fileinfo.player_offset             =       -1;
 833         game_fileinfo.player_sizeof             =       sizeof(player);
 834         game_fileinfo.object_offset             =       -1;
 835         game_fileinfo.object_howmany            =       0;
 836         game_fileinfo.object_sizeof             =       sizeof(object);
 837         game_fileinfo.walls_offset                      =       -1;
 838         game_fileinfo.walls_howmany             =       0;
 839         game_fileinfo.walls_sizeof                      =       sizeof(wall);
 840         game_fileinfo.doors_offset                      =       -1;
 841         game_fileinfo.doors_howmany             =       0;
 842         game_fileinfo.doors_sizeof                      =       sizeof(active_door);
 843         game_fileinfo.triggers_offset           =       -1;
 844         game_fileinfo.triggers_howmany  =       0;
 845         game_fileinfo.triggers_sizeof           =       sizeof(trigger);
 846         game_fileinfo.control_offset            =       -1;
 847         game_fileinfo.control_howmany           =       0;
 848         game_fileinfo.control_sizeof            =       sizeof(control_center_triggers);
 849         game_fileinfo.matcen_offset             =       -1;
 850         game_fileinfo.matcen_howmany            =       0;
 851         game_fileinfo.matcen_sizeof             =       sizeof(matcen_info);
 852
 853         game_fileinfo.dl_indices_offset         =       -1;
 854         game_fileinfo.dl_indices_howmany                =       0;
 855         game_fileinfo.dl_indices_sizeof         =       sizeof(dl_index);
 856
 857         game_fileinfo.delta_light_offset                =       -1;
 858         game_fileinfo.delta_light_howmany               =       0;
 859         game_fileinfo.delta_light_sizeof                =       sizeof(delta_light);
 860
 861         // Read in game_top_fileinfo to get size of saved fileinfo.
 862
 863         if (cfseek( LoadFile, start_offset, SEEK_SET ))
 864                 Error( "Error seeking in gamesave.c" );
 865
 866 //      if (cfread( &game_top_fileinfo, sizeof(game_top_fileinfo), 1, LoadFile) != 1)
 867 //              Error( "Error reading game_top_fileinfo in gamesave.c" );
 868
 869         game_top_fileinfo.fileinfo_signature = cfile_read_short(LoadFile);
 870         game_top_fileinfo.fileinfo_version = cfile_read_short(LoadFile);
 871         game_top_fileinfo.fileinfo_sizeof = cfile_read_int(LoadFile);
 872
 873         // Check signature
 874         if (game_top_fileinfo.fileinfo_signature != 0x6705)
 875                 return -1;
 876
 877         // Check version number
 878         if (game_top_fileinfo.fileinfo_version < GAME_COMPATIBLE_VERSION )
 879                 return -1;
 880
 881         // Now, Read in the fileinfo
 882         if (cfseek( LoadFile, start_offset, SEEK_SET ))
 883                 Error( "Error seeking to game_fileinfo in gamesave.c" );
 884
 885 //      if (cfread( &game_fileinfo, game_top_fileinfo.fileinfo_sizeof, 1, LoadFile )!=1)
 886 //              Error( "Error reading game_fileinfo in gamesave.c" );
 887
 888         game_fileinfo.fileinfo_signature = cfile_read_short(LoadFile);
 889         game_fileinfo.fileinfo_version = cfile_read_short(LoadFile);
 890         game_fileinfo.fileinfo_sizeof = cfile_read_int(LoadFile);
 891         for(i=0; i<15; i++)
 892                 game_fileinfo.mine_filename[i] = cfile_read_byte(LoadFile);
 893         game_fileinfo.level = cfile_read_int(LoadFile);
 894         game_fileinfo.player_offset = cfile_read_int(LoadFile);                         // Player info
 895         game_fileinfo.player_sizeof = cfile_read_int(LoadFile);
 896         game_fileinfo.object_offset = cfile_read_int(LoadFile);                         // Object info
 897         game_fileinfo.object_howmany = cfile_read_int(LoadFile);
 898         game_fileinfo.object_sizeof = cfile_read_int(LoadFile);
 899         game_fileinfo.walls_offset = cfile_read_int(LoadFile);
 900         game_fileinfo.walls_howmany = cfile_read_int(LoadFile);
 901         game_fileinfo.walls_sizeof = cfile_read_int(LoadFile);
 902         game_fileinfo.doors_offset = cfile_read_int(LoadFile);
 903         game_fileinfo.doors_howmany = cfile_read_int(LoadFile);
 904         game_fileinfo.doors_sizeof = cfile_read_int(LoadFile);
 905         game_fileinfo.triggers_offset = cfile_read_int(LoadFile);
 906         game_fileinfo.triggers_howmany = cfile_read_int(LoadFile);
 907         game_fileinfo.triggers_sizeof = cfile_read_int(LoadFile);
 908         game_fileinfo.links_offset = cfile_read_int(LoadFile);
 909         game_fileinfo.links_howmany = cfile_read_int(LoadFile);
 910         game_fileinfo.links_sizeof = cfile_read_int(LoadFile);
 911         game_fileinfo.control_offset = cfile_read_int(LoadFile);
 912         game_fileinfo.control_howmany = cfile_read_int(LoadFile);
 913         game_fileinfo.control_sizeof = cfile_read_int(LoadFile);
 914         game_fileinfo.matcen_offset = cfile_read_int(LoadFile);
 915         game_fileinfo.matcen_howmany = cfile_read_int(LoadFile);
 916         game_fileinfo.matcen_sizeof = cfile_read_int(LoadFile);
 917
 918         if (game_top_fileinfo.fileinfo_version >= 29) {
 919                 game_fileinfo.dl_indices_offset = cfile_read_int(LoadFile);
 920                 game_fileinfo.dl_indices_howmany = cfile_read_int(LoadFile);
 921                 game_fileinfo.dl_indices_sizeof = cfile_read_int(LoadFile);
 922
 923                 game_fileinfo.delta_light_offset = cfile_read_int(LoadFile);
 924                 game_fileinfo.delta_light_howmany = cfile_read_int(LoadFile);
 925                 game_fileinfo.delta_light_sizeof = cfile_read_int(LoadFile);
 926         }
 927
 928         if (game_top_fileinfo.fileinfo_version >= 31) { //load mine filename
 929                 // read newline-terminated string, not sure what version this changed.
 930                 cfgets(Current_level_name,sizeof(Current_level_name),LoadFile);
 931
 932                 if (Current_level_name[strlen(Current_level_name)-1] == '\n')
 933                         Current_level_name[strlen(Current_level_name)-1] = 0;
 934         }
 935         else if (game_top_fileinfo.fileinfo_version >= 14) { //load mine filename
 936                 // read null-terminated string
 937                 char *p=Current_level_name;
 938                 //must do read one char at a time, since no cfgets()
 939                 do *p = cfgetc(LoadFile); while (*p++!=0);
 940         }
 941         else
 942                 Current_level_name[0]=0;
 943
 944         if (game_top_fileinfo.fileinfo_version >= 19) { //load pof names
 945                 N_save_pof_names = cfile_read_short(LoadFile);
 946                 if (N_save_pof_names != 0x614d && N_save_pof_names != 0x5547) { // "Ma"de w/DMB beta/"GU"ILE
 947                         Assert(N_save_pof_names < MAX_POLYGON_MODELS);
 948                         cfread(Save_pof_names,N_save_pof_names,FILENAME_LEN,LoadFile);
 949                 }
 950         }
 951
 952         //===================== READ PLAYER INFO ==========================
 953         Object_next_signature = 0;
 954
 955         //===================== READ OBJECT INFO ==========================
 956
 957         Gamesave_num_org_robots = 0;
 958         Gamesave_num_players = 0;
 959
 960         if (game_fileinfo.object_offset > -1) {
 961                 if (cfseek( LoadFile, game_fileinfo.object_offset, SEEK_SET ))
 962                         Error( "Error seeking to object_offset in gamesave.c" );
 963
 964                 for (i=0;i<game_fileinfo.object_howmany;i++) {
 965
 966                         read_object(&Objects[i], LoadFile, game_top_fileinfo.fileinfo_version);
 967
 968                         Objects[i].signature = Object_next_signature++;
 969                         verify_object( &Objects[i] );
 970                 }
 971
 972         }
 973
 974         //===================== READ WALL INFO ============================
 975
 976         if (game_fileinfo.walls_offset > -1)
 977         {
 978
 979                 if (!cfseek( LoadFile, game_fileinfo.walls_offset,SEEK_SET ))   {
 980                         for (i=0;i<game_fileinfo.walls_howmany;i++) {
 981
 982                                 if (game_top_fileinfo.fileinfo_version >= 20)
 983                                         wall_read(&Walls[i], LoadFile); // v20 walls and up.
 984                                 else if (game_top_fileinfo.fileinfo_version >= 17) {
 985                                         v19_wall w;
 986
 987                                         v19_wall_read(&w, LoadFile);
 988
 989                                         Walls[i].segnum         = w.segnum;
 990                                         Walls[i].sidenum                = w.sidenum;
 991                                         Walls[i].linked_wall    = w.linked_wall;
 992
 993                                         Walls[i].type                   = w.type;
 994                                         Walls[i].flags                  = w.flags;
 995                                         Walls[i].hps                    = w.hps;
 996                                         Walls[i].trigger                = w.trigger;
 997                                         Walls[i].clip_num               = w.clip_num;
 998                                         Walls[i].keys                   = w.keys;
 999
1000                                         Walls[i].state                  = WALL_DOOR_CLOSED;
1001                                 } else {
1002                                         v16_wall w;
1003
1004                                         v16_wall_read(&w, LoadFile);
1005
1006                                         Walls[i].segnum = Walls[i].sidenum = Walls[i].linked_wall = -1;
1007
1008                                         Walls[i].type           = w.type;
1009                                         Walls[i].flags          = w.flags;
1010                                         Walls[i].hps            = w.hps;
1011                                         Walls[i].trigger        = w.trigger;
1012                                         Walls[i].clip_num       = w.clip_num;
1013                                         Walls[i].keys           = w.keys;
1014                                 }
1015
1016                         }
1017                 }
1018         }
1019
1020         //===================== READ DOOR INFO ============================
1021
1022         if (game_fileinfo.doors_offset > -1)
1023         {
1024                 if (!cfseek( LoadFile, game_fileinfo.doors_offset,SEEK_SET ))   {
1025
1026                         for (i=0;i<game_fileinfo.doors_howmany;i++) {
1027
1028                                 if (game_top_fileinfo.fileinfo_version >= 20)
1029                                         active_door_read(&ActiveDoors[i], LoadFile); // version 20 and up
1030                                 else {
1031                                         v19_door d;
1032                                         int p;
1033
1034                                         v19_door_read(&d, LoadFile);
1035
1036                                         ActiveDoors[i].n_parts = d.n_parts;
1037
1038                                         for (p=0;p<d.n_parts;p++) {
1039                                                 int cseg,cside;
1040
1041                                                 cseg = Segments[d.seg[p]].children[d.side[p]];
1042                                                 cside = find_connect_side(&Segments[d.seg[p]],&Segments[cseg]);
1043
1044                                                 ActiveDoors[i].front_wallnum[p] = Segments[d.seg[p]].sides[d.side[p]].wall_num;
1045                                                 ActiveDoors[i].back_wallnum[p] = Segments[cseg].sides[cside].wall_num;
1046                                         }
1047                                 }
1048
1049                         }
1050                 }
1051         }
1052
1053         //==================== READ TRIGGER INFO ==========================
1054
1055
1056 // for MACINTOSH -- assume all triggers >= verion 31 triggers.
1057
1058         if (game_fileinfo.triggers_offset > -1)
1059         {
1060                 if (!cfseek( LoadFile, game_fileinfo.triggers_offset,SEEK_SET ))        {
1061                         for (i=0;i<game_fileinfo.triggers_howmany;i++)
1062                                 if (game_top_fileinfo.fileinfo_version < 31) {
1063                                         v30_trigger trig;
1064                                         int t,type;
1065
1066                                         type=0;
1067
1068                                         if (game_top_fileinfo.fileinfo_version < 30) {
1069                                                 v29_trigger trig29;
1070                                                 int t;
1071
1072                                                 v29_trigger_read(&trig29, LoadFile);
1073
1074                                                 trig.flags              = trig29.flags;
1075                                                 trig.num_links  = trig29.num_links;
1076                                                 trig.num_links  = trig29.num_links;
1077                                                 trig.value              = trig29.value;
1078                                                 trig.time               = trig29.time;
1079
1080                                                 for (t=0;t<trig.num_links;t++) {
1081                                                         trig.seg[t]  = trig29.seg[t];
1082                                                         trig.side[t] = trig29.side[t];
1083                                                 }
1084                                         }
1085                                         else
1086                                                 v30_trigger_read(&trig, LoadFile);
1087
1088                                         //Assert(trig.flags & TRIGGER_ON);
1089                                         trig.flags &= ~TRIGGER_ON;
1090
1091                                         if (trig.flags & TRIGGER_CONTROL_DOORS)
1092                                                 type = TT_OPEN_DOOR;
1093                                         else if (trig.flags & TRIGGER_SHIELD_DAMAGE)
1094                                                 Int3();
1095                                         else if (trig.flags & TRIGGER_ENERGY_DRAIN)
1096                                                 Int3();
1097                                         else if (trig.flags & TRIGGER_EXIT)
1098                                                 type = TT_EXIT;
1099                                         else if (trig.flags & TRIGGER_ONE_SHOT)
1100                                                 Int3();
1101                                         else if (trig.flags & TRIGGER_MATCEN)
1102                                                 type = TT_MATCEN;
1103                                         else if (trig.flags & TRIGGER_ILLUSION_OFF)
1104                                                 type = TT_ILLUSION_OFF;
1105                                         else if (trig.flags & TRIGGER_SECRET_EXIT)
1106                                                 type = TT_SECRET_EXIT;
1107                                         else if (trig.flags & TRIGGER_ILLUSION_ON)
1108                                                 type = TT_ILLUSION_ON;
1109                                         else if (trig.flags & TRIGGER_UNLOCK_DOORS)
1110                                                 type = TT_UNLOCK_DOOR;
1111                                         else if (trig.flags & TRIGGER_OPEN_WALL)
1112                                                 type = TT_OPEN_WALL;
1113                                         else if (trig.flags & TRIGGER_CLOSE_WALL)
1114                                                 type = TT_CLOSE_WALL;
1115                                         else if (trig.flags & TRIGGER_ILLUSORY_WALL)
1116                                                 type = TT_ILLUSORY_WALL;
1117                                         else
1118                                                 Int3();
1119
1120                                         Triggers[i].type        = type;
1121                                         Triggers[i].flags       = 0;
1122                                         Triggers[i].num_links   = trig.num_links;
1123                                         Triggers[i].num_links   = trig.num_links;
1124                                         Triggers[i].value       = trig.value;
1125                                         Triggers[i].time        = trig.time;
1126
1127                                         for (t=0;t<trig.num_links;t++) {
1128                                                 Triggers[i].seg[t] = trig.seg[t];
1129                                                 Triggers[i].side[t] = trig.side[t];
1130                                         }
1131                                 }
1132                                 else
1133                                         trigger_read(&Triggers[i], LoadFile);
1134                 }
1135         }
1136
1137         //================ READ CONTROL CENTER TRIGGER INFO ===============
1138
1139         if (game_fileinfo.control_offset > -1)
1140                 if (!cfseek(LoadFile, game_fileinfo.control_offset, SEEK_SET))
1141                 {
1142                         Assert(game_fileinfo.control_sizeof == sizeof(control_center_triggers));
1143                         control_center_triggers_read_n(&ControlCenterTriggers, game_fileinfo.control_howmany, LoadFile);
1144                 }
1145
1146         //================ READ MATERIALOGRIFIZATIONATORS INFO ===============
1147
1148         if (game_fileinfo.matcen_offset > -1)
1149         {       int     j;
1150
1151                 if (!cfseek( LoadFile, game_fileinfo.matcen_offset,SEEK_SET ))  {
1152                         // mprintf((0, "Reading %i materialization centers.\n", game_fileinfo.matcen_howmany));
1153                         for (i=0;i<game_fileinfo.matcen_howmany;i++) {
1154                                 if (game_top_fileinfo.fileinfo_version < 27) {
1155                                         old_matcen_info m;
1156
1157                                         old_matcen_info_read(&m, LoadFile);
1158
1159                                         RobotCenters[i].robot_flags[0] = m.robot_flags;
1160                                         RobotCenters[i].robot_flags[1] = 0;
1161                                         RobotCenters[i].hit_points = m.hit_points;
1162                                         RobotCenters[i].interval = m.interval;
1163                                         RobotCenters[i].segnum = m.segnum;
1164                                         RobotCenters[i].fuelcen_num = m.fuelcen_num;
1165                                 }
1166                                 else
1167                                         matcen_info_read(&RobotCenters[i], LoadFile);
1168
1169                                 //      Set links in RobotCenters to Station array
1170
1171                                 for (j=0; j<=Highest_segment_index; j++)
1172                                         if (Segment2s[j].special == SEGMENT_IS_ROBOTMAKER)
1173                                                 if (Segment2s[j].matcen_num == i)
1174                                                         RobotCenters[i].fuelcen_num = Segment2s[j].value;
1175
1176                                 // mprintf((0, "   %i: flags = %08x\n", i, RobotCenters[i].robot_flags));
1177                         }
1178                 }
1179         }
1180
1181
1182         //================ READ DL_INDICES INFO ===============
1183
1184         Num_static_lights = 0;
1185
1186         if (game_fileinfo.dl_indices_offset > -1) {
1187                 int     i;
1188
1189                 if (!cfseek( LoadFile, game_fileinfo.dl_indices_offset, SEEK_SET ))     {
1190                         Num_static_lights = game_fileinfo.dl_indices_howmany;
1191                         for (i=0; i<game_fileinfo.dl_indices_howmany; i++) {
1192                                 if (game_top_fileinfo.fileinfo_version < 29) {
1193                                         mprintf((0, "Warning: Old mine version.  Not reading Dl_indices info.\n"));
1194                                         Int3(); //shouldn't be here!!!
1195                                 } else
1196                                         dl_index_read(&Dl_indices[i], LoadFile);
1197                         }
1198                 }
1199         }
1200
1201         //      Indicate that no light has been subtracted from any vertices.
1202         clear_light_subtracted();
1203
1204         //================ READ DELTA LIGHT INFO ===============
1205
1206         if (game_fileinfo.delta_light_offset > -1) {
1207                 int     i;
1208
1209                 if (!cfseek( LoadFile, game_fileinfo.delta_light_offset, SEEK_SET ))    {
1210                         for (i=0; i<game_fileinfo.delta_light_howmany; i++) {
1211                                 if (game_top_fileinfo.fileinfo_version < 29) {
1212                                         mprintf((0, "Warning: Old mine version.  Not reading delta light info.\n"));
1213                                 } else
1214                                         delta_light_read(&Delta_lights[i], LoadFile);
1215                         }
1216                 }
1217         }
1218
1219         //========================= UPDATE VARIABLES ======================
1220
1221         reset_objects(game_fileinfo.object_howmany);
1222
1223         for (i=0; i<MAX_OBJECTS; i++) {
1224                 Objects[i].next = Objects[i].prev = -1;
1225                 if (Objects[i].type != OBJ_NONE) {
1226                         int objsegnum = Objects[i].segnum;
1227
1228                         if (objsegnum > Highest_segment_index)          //bogus object
1229                                 Objects[i].type = OBJ_NONE;
1230                         else {
1231                                 Objects[i].segnum = -1;                 //avoid Assert()
1232                                 obj_link(i,objsegnum);
1233                         }
1234                 }
1235         }
1236
1237         clear_transient_objects(1);             //1 means clear proximity bombs
1238
1239         // Make sure non-transparent doors are set correctly.
1240         for (i=0; i< Num_segments; i++)
1241                 for (j=0;j<MAX_SIDES_PER_SEGMENT;j++) {
1242                         side    *sidep = &Segments[i].sides[j];
1243                         if ((sidep->wall_num != -1) && (Walls[sidep->wall_num].clip_num != -1)) {
1244                                 //mprintf((0, "Checking Wall %d\n", Segments[i].sides[j].wall_num));
1245                                 if (WallAnims[Walls[sidep->wall_num].clip_num].flags & WCF_TMAP1) {
1246                                         //mprintf((0, "Fixing non-transparent door.\n"));
1247                                         sidep->tmap_num = WallAnims[Walls[sidep->wall_num].clip_num].frames[0];
1248                                         sidep->tmap_num2 = 0;
1249                                 }
1250                         }
1251                 }
1252
1253
1254         Num_walls = game_fileinfo.walls_howmany;
1255         reset_walls();
1256
1257         Num_open_doors = game_fileinfo.doors_howmany;
1258         Num_triggers = game_fileinfo.triggers_howmany;
1259
1260         //go through all walls, killing references to invalid triggers
1261         for (i=0;i<Num_walls;i++)
1262                 if (Walls[i].trigger >= Num_triggers) {
1263                         mprintf((0,"Removing reference to invalid trigger %d from wall %d\n",Walls[i].trigger,i));
1264                         Walls[i].trigger = -1;  //kill trigger
1265                 }
1266
1267         //go through all triggers, killing unused ones
1268         for (i=0;i<Num_triggers;) {
1269                 int w;
1270
1271                 //      Find which wall this trigger is connected to.
1272                 for (w=0; w<Num_walls; w++)
1273                         if (Walls[w].trigger == i)
1274                                 break;
1275
1276         #ifdef EDITOR
1277                 if (w == Num_walls) {
1278                         mprintf((0,"Removing unreferenced trigger %d\n",i));
1279                         remove_trigger_num(i);
1280                 }
1281                 else
1282         #endif
1283                         i++;
1284         }
1285
1286         //      MK, 10/17/95: Make walls point back at the triggers that control them.
1287         //      Go through all triggers, stuffing controlling_trigger field in Walls.
1288         {       int t;
1289
1290         for (i=0; i<Num_walls; i++)
1291                 Walls[i].controlling_trigger = -1;
1292
1293         for (t=0; t<Num_triggers; t++) {
1294                 int     l;
1295                 for (l=0; l<Triggers[t].num_links; l++) {
1296                         int     seg_num, side_num, wall_num;
1297
1298                         seg_num = Triggers[t].seg[l];
1299                         side_num = Triggers[t].side[l];
1300                         wall_num = Segments[seg_num].sides[side_num].wall_num;
1301
1302                         // -- if (Walls[wall_num].controlling_trigger != -1)
1303                         // --   Int3();
1304
1305                         //check to see that if a trigger requires a wall that it has one,
1306                         //and if it requires a matcen that it has one
1307
1308                         if (Triggers[t].type == TT_MATCEN) {
1309                                 if (Segment2s[seg_num].special != SEGMENT_IS_ROBOTMAKER)
1310                                         Int3();         //matcen trigger doesn't point to matcen
1311                         }
1312                         else if (Triggers[t].type != TT_LIGHT_OFF && Triggers[t].type != TT_LIGHT_ON) { //light triggers don't require walls
1313                                 if (wall_num == -1)
1314                                         Int3(); //      This is illegal.  This trigger requires a wall
1315                                 else
1316                                         Walls[wall_num].controlling_trigger = t;
1317                         }
1318                 }
1319         }
1320         }
1321
1322         Num_robot_centers = game_fileinfo.matcen_howmany;
1323
1324         //fix old wall structs
1325         if (game_top_fileinfo.fileinfo_version < 17) {
1326                 int segnum,sidenum,wallnum;
1327
1328                 for (segnum=0; segnum<=Highest_segment_index; segnum++)
1329                         for (sidenum=0;sidenum<6;sidenum++)
1330                                 if ((wallnum=Segments[segnum].sides[sidenum].wall_num) != -1) {
1331                                         Walls[wallnum].segnum = segnum;
1332                                         Walls[wallnum].sidenum = sidenum;
1333                                 }
1334         }
1335
1336         #ifndef NDEBUG
1337         {
1338                 int     sidenum;
1339                 for (sidenum=0; sidenum<6; sidenum++) {
1340                         int     wallnum = Segments[Highest_segment_index].sides[sidenum].wall_num;
1341                         if (wallnum != -1)
1342                                 if ((Walls[wallnum].segnum != Highest_segment_index) || (Walls[wallnum].sidenum != sidenum))
1343                                         Int3(); //      Error.  Bogus walls in this segment.
1344                                                                 // Consult Yuan or Mike.
1345                 }
1346         }
1347         #endif
1348
1349         //create_local_segment_data();
1350
1351         fix_object_segs();
1352
1353         #ifndef NDEBUG
1354         dump_mine_info();
1355         #endif
1356
1357         if (game_top_fileinfo.fileinfo_version < GAME_VERSION && !(game_top_fileinfo.fileinfo_version==25 && GAME_VERSION==26))
1358                 return 1;               //means old version
1359         else
1360                 return 0;
1361 }
1362
1363
1364 int check_segment_connections(void);
1365
1366 extern void     set_ambient_sound_flags(void);
1367
1368 // ----------------------------------------------------------------------------
1369
1370 #define LEVEL_FILE_VERSION      8
1371 //1 -> 2  add palette name
1372 //2 -> 3  add control center explosion time
1373 //3 -> 4  add reactor strength
1374 //4 -> 5  killed hostage text stuff
1375 //5 -> 6  added Secret_return_segment and Secret_return_orient
1376 //6 -> 7  added flickering lights
1377 //7 -> 8  made version 8 to be not compatible with D2 1.0 & 1.1
1378
1379 #ifndef RELEASE
1380 char *Level_being_loaded=NULL;
1381 #endif
1382
1383 #ifdef COMPACT_SEGS
1384 extern void ncache_flush();
1385 #endif
1386
1387 extern int Slide_segs_computed;
1388
1389 int no_old_level_file_error=0;
1390
1391 //loads a level (.LVL) file from disk
1392 //returns 0 if success, else error code
1393 int load_level(char * filename_passed)
1394 {
1395 #ifdef EDITOR
1396         int use_compiled_level=1;
1397 #endif
1398         CFILE * LoadFile;
1399         char filename[128];
1400         int sig, minedata_offset, gamedata_offset;
1401         int mine_err, game_err;
1402 #ifdef NETWORK
1403         int i;
1404 #endif
1405
1406         Slide_segs_computed = 0;
1407
1408 #ifdef NETWORK
1409    if (Game_mode & GM_NETWORK)
1410          {
1411           for (i=0;i<MAX_POWERUP_TYPES;i++)
1412                 {
1413                         MaxPowerupsAllowed[i]=0;
1414                         PowerupsInMine[i]=0;
1415                 }
1416          }
1417 #endif
1418
1419         #ifdef COMPACT_SEGS
1420         ncache_flush();
1421         #endif
1422
1423         #ifndef RELEASE
1424         Level_being_loaded = filename_passed;
1425         #endif
1426
1427         strcpy(filename,filename_passed);
1428
1429         #ifdef EDITOR
1430                 //if we have the editor, try the LVL first, no matter what was passed.
1431                 //if we don't have an LVL, try RDL
1432                 //if we don't have the editor, we just use what was passed
1433
1434                 change_filename_extension(filename,filename_passed,".lvl");
1435                 use_compiled_level = 0;
1436
1437                 if (!cfexist(filename)) {
1438                         change_filename_extension(filename,filename,".rl2");
1439                         use_compiled_level = 1;
1440                 }
1441         #endif
1442
1443         LoadFile = cfopen( filename, "rb" );
1444
1445         if (!LoadFile)  {
1446                 #ifdef EDITOR
1447                         mprintf((0,"Can't open level file <%s>\n", filename));
1448                         return 1;
1449                 #else
1450                         Error("Can't open file <%s>\n",filename);
1451                 #endif
1452         }
1453
1454         strcpy( Gamesave_current_filename, filename );
1455
1456 //      #ifdef NEWDEMO
1457 //      if ( Newdemo_state == ND_STATE_RECORDING )
1458 //              newdemo_record_start_demo();
1459 //      #endif
1460
1461         sig                      = cfile_read_int(LoadFile);
1462         Gamesave_current_version = cfile_read_int(LoadFile);
1463         mprintf((0, "Gamesave_current_version = %d\n", Gamesave_current_version));
1464         minedata_offset          = cfile_read_int(LoadFile);
1465         gamedata_offset          = cfile_read_int(LoadFile);
1466
1467         Assert(sig == MAKE_SIG('P','L','V','L'));
1468
1469         if (Gamesave_current_version >= 8) {    //read dummy data
1470                 cfile_read_int(LoadFile);
1471                 cfile_read_short(LoadFile);
1472                 cfile_read_byte(LoadFile);
1473         }
1474
1475         if (Gamesave_current_version < 5)
1476                 cfile_read_int(LoadFile);       //was hostagetext_offset
1477
1478         if (Gamesave_current_version > 1) {
1479                 cfgets(Current_level_palette,sizeof(Current_level_palette),LoadFile);
1480                 if (Current_level_palette[strlen(Current_level_palette)-1] == '\n')
1481                         Current_level_palette[strlen(Current_level_palette)-1] = 0;
1482         }
1483         if (Gamesave_current_version <= 1 || Current_level_palette[0]==0) // descent 1 level
1484                 strcpy(Current_level_palette, DEFAULT_LEVEL_PALETTE);
1485
1486         if (Gamesave_current_version >= 3)
1487                 Base_control_center_explosion_time = cfile_read_int(LoadFile);
1488         else
1489                 Base_control_center_explosion_time = DEFAULT_CONTROL_CENTER_EXPLOSION_TIME;
1490
1491         if (Gamesave_current_version >= 4)
1492                 Reactor_strength = cfile_read_int(LoadFile);
1493         else
1494                 Reactor_strength = -1;  //use old defaults
1495
1496         if (Gamesave_current_version >= 7) {
1497                 int i;
1498
1499                 Num_flickering_lights = cfile_read_int(LoadFile);
1500                 Assert((Num_flickering_lights >= 0) && (Num_flickering_lights < MAX_FLICKERING_LIGHTS));
1501                 for (i = 0; i < Num_flickering_lights; i++)
1502                         flickering_light_read(&Flickering_lights[i], LoadFile);
1503         }
1504         else
1505                 Num_flickering_lights = 0;
1506
1507         if (Gamesave_current_version < 6) {
1508                 Secret_return_segment = 0;
1509                 Secret_return_orient.rvec.x = F1_0;
1510                 Secret_return_orient.rvec.y = 0;
1511                 Secret_return_orient.rvec.z = 0;
1512                 Secret_return_orient.fvec.x = 0;
1513                 Secret_return_orient.fvec.y = F1_0;
1514                 Secret_return_orient.fvec.z = 0;
1515                 Secret_return_orient.uvec.x = 0;
1516                 Secret_return_orient.uvec.y = 0;
1517                 Secret_return_orient.uvec.z = F1_0;
1518         } else {
1519                 Secret_return_segment = cfile_read_int(LoadFile);
1520                 Secret_return_orient.rvec.x = cfile_read_int(LoadFile);
1521                 Secret_return_orient.rvec.y = cfile_read_int(LoadFile);
1522                 Secret_return_orient.rvec.z = cfile_read_int(LoadFile);
1523                 Secret_return_orient.fvec.x = cfile_read_int(LoadFile);
1524                 Secret_return_orient.fvec.y = cfile_read_int(LoadFile);
1525                 Secret_return_orient.fvec.z = cfile_read_int(LoadFile);
1526                 Secret_return_orient.uvec.x = cfile_read_int(LoadFile);
1527                 Secret_return_orient.uvec.y = cfile_read_int(LoadFile);
1528                 Secret_return_orient.uvec.z = cfile_read_int(LoadFile);
1529         }
1530
1531         cfseek(LoadFile,minedata_offset,SEEK_SET);
1532         #ifdef EDITOR
1533         if (!use_compiled_level) {
1534                 mine_err = load_mine_data(LoadFile);
1535 #if 0 // get from d1src if needed
1536                 // Compress all uv coordinates in mine, improves texmap precision. --MK, 02/19/96
1537                 compress_uv_coordinates_all();
1538 #endif
1539         } else
1540         #endif
1541                 //NOTE LINK TO ABOVE!!
1542                 mine_err = load_mine_data_compiled(LoadFile);
1543
1544         if (mine_err == -1) {   //error!!
1545                 cfclose(LoadFile);
1546                 return 2;
1547         }
1548
1549         cfseek(LoadFile,gamedata_offset,SEEK_SET);
1550         game_err = load_game_data(LoadFile);
1551
1552         if (game_err == -1) {   //error!!
1553                 cfclose(LoadFile);
1554                 return 3;
1555         }
1556
1557         //======================== CLOSE FILE =============================
1558
1559         cfclose( LoadFile );
1560
1561         set_ambient_sound_flags();
1562
1563         #ifdef EDITOR
1564         write_game_text_file(filename);
1565         if (Errors_in_mine) {
1566                 if (is_real_level(filename)) {
1567                         char  ErrorMessage[200];
1568
1569                         sprintf( ErrorMessage, "Warning: %i errors in %s!\n", Errors_in_mine, Level_being_loaded );
1570                         stop_time();
1571                         gr_palette_load(gr_palette);
1572                         nm_messagebox( NULL, 1, "Continue", ErrorMessage );
1573                         start_time();
1574                 } else
1575                         mprintf((1, "Error: %i errors in %s.\n", Errors_in_mine, Level_being_loaded));
1576         }
1577         #endif
1578
1579         #ifdef EDITOR
1580         //If an old version, ask the use if he wants to save as new version
1581         if (!no_old_level_file_error && (Function_mode == FMODE_EDITOR) && (((LEVEL_FILE_VERSION > 3) && Gamesave_current_version < LEVEL_FILE_VERSION) || mine_err == 1 || game_err == 1)) {
1582                 char  ErrorMessage[200];
1583
1584                 sprintf( ErrorMessage,
1585                                         "You just loaded a old version\n"
1586                                         "level.  Would you like to save\n"
1587                                         "it as a current version level?");
1588
1589                 stop_time();
1590                 gr_palette_load(gr_palette);
1591                 if (nm_messagebox( NULL, 2, "Don't Save", "Save", ErrorMessage )==1)
1592                         save_level(filename);
1593                 start_time();
1594         }
1595         #endif
1596
1597         #ifdef EDITOR
1598         if (Function_mode == FMODE_EDITOR)
1599                 editor_status("Loaded NEW mine %s, \"%s\"",filename,Current_level_name);
1600         #endif
1601
1602         #ifdef EDITOR
1603         if (check_segment_connections())
1604                 nm_messagebox( "ERROR", 1, "Ok",
1605                                 "Connectivity errors detected in\n"
1606                                 "mine.  See monochrome screen for\n"
1607                                 "details, and contact Matt or Mike." );
1608         #endif
1609
1610         return 0;
1611 }
1612
1613 #ifdef EDITOR
1614 void get_level_name()
1615 {
1616 //NO_UI!!!      UI_WINDOW                               *NameWindow = NULL;
1617 //NO_UI!!!      UI_GADGET_INPUTBOX      *NameText;
1618 //NO_UI!!!      UI_GADGET_BUTTON                *QuitButton;
1619 //NO_UI!!!
1620 //NO_UI!!!      // Open a window with a quit button
1621 //NO_UI!!!      NameWindow = ui_open_window( 20, 20, 300, 110, WIN_DIALOG );
1622 //NO_UI!!!      QuitButton = ui_add_gadget_button( NameWindow, 150-24, 60, 48, 40, "Done", NULL );
1623 //NO_UI!!!
1624 //NO_UI!!!      ui_wprintf_at( NameWindow, 10, 12,"Please enter a name for this mine:" );
1625 //NO_UI!!!      NameText = ui_add_gadget_inputbox( NameWindow, 10, 30, LEVEL_NAME_LEN, LEVEL_NAME_LEN, Current_level_name );
1626 //NO_UI!!!
1627 //NO_UI!!!      NameWindow->keyboard_focus_gadget = (UI_GADGET *)NameText;
1628 //NO_UI!!!      QuitButton->hotkey = KEY_ENTER;
1629 //NO_UI!!!
1630 //NO_UI!!!      ui_gadget_calc_keys(NameWindow);
1631 //NO_UI!!!
1632 //NO_UI!!!      while (!QuitButton->pressed && last_keypress!=KEY_ENTER) {
1633 //NO_UI!!!              ui_mega_process();
1634 //NO_UI!!!              ui_window_do_gadgets(NameWindow);
1635 //NO_UI!!!      }
1636 //NO_UI!!!
1637 //NO_UI!!!      strcpy( Current_level_name, NameText->text );
1638 //NO_UI!!!
1639 //NO_UI!!!      if ( NameWindow!=NULL ) {
1640 //NO_UI!!!              ui_close_window( NameWindow );
1641 //NO_UI!!!              NameWindow = NULL;
1642 //NO_UI!!!      }
1643 //NO_UI!!!
1644
1645         newmenu_item m[2];
1646
1647         m[0].type = NM_TYPE_TEXT; m[0].text = "Please enter a name for this mine:";
1648         m[1].type = NM_TYPE_INPUT; m[1].text = Current_level_name; m[1].text_len = LEVEL_NAME_LEN;
1649
1650         newmenu_do( NULL, "Enter mine name", 2, m, NULL );
1651
1652 }
1653 #endif
1654
1655
1656 #ifdef EDITOR
1657
1658 int     Errors_in_mine;
1659
1660 // -----------------------------------------------------------------------------
1661 int compute_num_delta_light_records(void)
1662 {
1663         int     i;
1664         int     total = 0;
1665
1666         for (i=0; i<Num_static_lights; i++) {
1667                 total += Dl_indices[i].count;
1668         }
1669
1670         return total;
1671
1672 }
1673
1674 // -----------------------------------------------------------------------------
1675 // Save game
1676 int save_game_data(FILE * SaveFile)
1677 {
1678         int  player_offset, object_offset, walls_offset, doors_offset, triggers_offset, control_offset, matcen_offset; //, links_offset;
1679         int     dl_indices_offset, delta_light_offset;
1680         int start_offset,end_offset;
1681
1682         start_offset = ftell(SaveFile);
1683
1684         //===================== SAVE FILE INFO ========================
1685
1686         game_fileinfo.fileinfo_signature =      0x6705;
1687         game_fileinfo.fileinfo_version  =       GAME_VERSION;
1688         game_fileinfo.level                                     =  Current_level_num;
1689         game_fileinfo.fileinfo_sizeof           =       sizeof(game_fileinfo);
1690         game_fileinfo.player_offset             =       -1;
1691         game_fileinfo.player_sizeof             =       sizeof(player);
1692         game_fileinfo.object_offset             =       -1;
1693         game_fileinfo.object_howmany            =       Highest_object_index+1;
1694         game_fileinfo.object_sizeof             =       sizeof(object);
1695         game_fileinfo.walls_offset                      =       -1;
1696         game_fileinfo.walls_howmany             =       Num_walls;
1697         game_fileinfo.walls_sizeof                      =       sizeof(wall);
1698         game_fileinfo.doors_offset                      =       -1;
1699         game_fileinfo.doors_howmany             =       Num_open_doors;
1700         game_fileinfo.doors_sizeof                      =       sizeof(active_door);
1701         game_fileinfo.triggers_offset           =       -1;
1702         game_fileinfo.triggers_howmany  =       Num_triggers;
1703         game_fileinfo.triggers_sizeof           =       sizeof(trigger);
1704         game_fileinfo.control_offset            =       -1;
1705         game_fileinfo.control_howmany           =  1;
1706         game_fileinfo.control_sizeof            =  sizeof(control_center_triggers);
1707         game_fileinfo.matcen_offset             =       -1;
1708         game_fileinfo.matcen_howmany            =       Num_robot_centers;
1709         game_fileinfo.matcen_sizeof             =       sizeof(matcen_info);
1710
1711         game_fileinfo.dl_indices_offset         =       -1;
1712         game_fileinfo.dl_indices_howmany                =       Num_static_lights;
1713         game_fileinfo.dl_indices_sizeof         =       sizeof(dl_index);
1714
1715         game_fileinfo.delta_light_offset                =       -1;
1716         game_fileinfo.delta_light_howmany       =       compute_num_delta_light_records();
1717         game_fileinfo.delta_light_sizeof                =       sizeof(delta_light);
1718
1719         // Write the fileinfo
1720         fwrite( &game_fileinfo, sizeof(game_fileinfo), 1, SaveFile );
1721
1722         // Write the mine name
1723         fprintf(SaveFile,"%s\n",Current_level_name);
1724
1725         fwrite(&N_polygon_models,2,1,SaveFile);
1726         fwrite(Pof_names,N_polygon_models,sizeof(*Pof_names),SaveFile);
1727
1728         //==================== SAVE PLAYER INFO ===========================
1729
1730         player_offset = ftell(SaveFile);
1731         fwrite( &Players[Player_num], sizeof(player), 1, SaveFile );
1732
1733         //==================== SAVE OBJECT INFO ===========================
1734
1735         object_offset = ftell(SaveFile);
1736         //fwrite( &Objects, sizeof(object), game_fileinfo.object_howmany, SaveFile );
1737         {
1738                 int i;
1739                 for (i=0;i<game_fileinfo.object_howmany;i++)
1740                         write_object(&Objects[i],SaveFile);
1741         }
1742
1743         //==================== SAVE WALL INFO =============================
1744
1745         walls_offset = ftell(SaveFile);
1746         fwrite( Walls, sizeof(wall), game_fileinfo.walls_howmany, SaveFile );
1747
1748         //==================== SAVE DOOR INFO =============================
1749
1750         doors_offset = ftell(SaveFile);
1751         fwrite( ActiveDoors, sizeof(active_door), game_fileinfo.doors_howmany, SaveFile );
1752
1753         //==================== SAVE TRIGGER INFO =============================
1754
1755         triggers_offset = ftell(SaveFile);
1756         fwrite( Triggers, sizeof(trigger), game_fileinfo.triggers_howmany, SaveFile );
1757
1758         //================ SAVE CONTROL CENTER TRIGGER INFO ===============
1759
1760         control_offset = ftell(SaveFile);
1761         fwrite( &ControlCenterTriggers, sizeof(control_center_triggers), 1, SaveFile );
1762
1763
1764         //================ SAVE MATERIALIZATION CENTER TRIGGER INFO ===============
1765
1766         matcen_offset = ftell(SaveFile);
1767         // mprintf((0, "Writing %i materialization centers\n", game_fileinfo.matcen_howmany));
1768         // { int i;
1769         // for (i=0; i<game_fileinfo.matcen_howmany; i++)
1770         //      mprintf((0, "   %i: robot_flags = %08x\n", i, RobotCenters[i].robot_flags));
1771         // }
1772         fwrite( RobotCenters, sizeof(matcen_info), game_fileinfo.matcen_howmany, SaveFile );
1773
1774         //================ SAVE DELTA LIGHT INFO ===============
1775         dl_indices_offset = ftell(SaveFile);
1776         fwrite( Dl_indices, sizeof(dl_index), game_fileinfo.dl_indices_howmany, SaveFile );
1777
1778         delta_light_offset = ftell(SaveFile);
1779         fwrite( Delta_lights, sizeof(delta_light), game_fileinfo.delta_light_howmany, SaveFile );
1780
1781         //============= REWRITE FILE INFO, TO SAVE OFFSETS ===============
1782
1783         // Update the offset fields
1784         game_fileinfo.player_offset             =       player_offset;
1785         game_fileinfo.object_offset             =       object_offset;
1786         game_fileinfo.walls_offset                      =       walls_offset;
1787         game_fileinfo.doors_offset                      =       doors_offset;
1788         game_fileinfo.triggers_offset           =       triggers_offset;
1789         game_fileinfo.control_offset            =       control_offset;
1790         game_fileinfo.matcen_offset             =       matcen_offset;
1791         game_fileinfo.dl_indices_offset =       dl_indices_offset;
1792         game_fileinfo.delta_light_offset        =       delta_light_offset;
1793
1794
1795         end_offset = ftell(SaveFile);
1796
1797         // Write the fileinfo
1798         fseek(  SaveFile, start_offset, SEEK_SET );  // Move to TOF
1799         fwrite( &game_fileinfo, sizeof(game_fileinfo), 1, SaveFile );
1800
1801         // Go back to end of data
1802         fseek(SaveFile,end_offset,SEEK_SET);
1803
1804         return 0;
1805 }
1806
1807 int save_mine_data(FILE * SaveFile);
1808
1809 // -----------------------------------------------------------------------------
1810 // Save game
1811 int save_level_sub(char * filename, int compiled_version)
1812 {
1813         FILE * SaveFile;
1814         char temp_filename[128];
1815         int sig = MAKE_SIG('P','L','V','L'),version=LEVEL_FILE_VERSION;
1816         int minedata_offset=0,gamedata_offset=0;
1817
1818         if ( !compiled_version )        {
1819                 write_game_text_file(filename);
1820
1821                 if (Errors_in_mine) {
1822                         if (is_real_level(filename)) {
1823                                 char  ErrorMessage[200];
1824
1825                                 sprintf( ErrorMessage, "Warning: %i errors in this mine!\n", Errors_in_mine );
1826                                 stop_time();
1827                                 gr_palette_load(gr_palette);
1828
1829                                 if (nm_messagebox( NULL, 2, "Cancel Save", "Save", ErrorMessage )!=1)   {
1830                                         start_time();
1831                                         return 1;
1832                                 }
1833                                 start_time();
1834                         } else
1835                                 mprintf((1, "Error: %i errors in this mine.  See the 'txm' file.\n", Errors_in_mine));
1836                 }
1837                 change_filename_extension(temp_filename,filename,".LVL");
1838         }
1839         else
1840         {
1841                 // macs are using the regular hog/rl2 files for shareware
1842                 #if defined(SHAREWARE) && !defined(MACINTOSH)
1843                         change_filename_extension(temp_filename,filename,".SL2");
1844                 #else
1845                         change_filename_extension(temp_filename,filename,".RL2");
1846                 #endif
1847         }
1848
1849         SaveFile = fopen( temp_filename, "wb" );
1850         if (!SaveFile)
1851         {
1852                 char ErrorMessage[256];
1853
1854                 char fname[20];
1855                 _splitpath( temp_filename, NULL, NULL, fname, NULL );
1856
1857                 sprintf( ErrorMessage, \
1858                         "ERROR: Cannot write to '%s'.\nYou probably need to check out a locked\nversion of the file. You should save\nthis under a different filename, and then\ncheck out a locked copy by typing\n\'co -l %s.lvl'\nat the DOS prompt.\n"
1859                         , temp_filename, fname );
1860                 stop_time();
1861                 gr_palette_load(gr_palette);
1862                 nm_messagebox( NULL, 1, "Ok", ErrorMessage );
1863                 start_time();
1864                 return 1;
1865         }
1866
1867         if (Current_level_name[0] == 0)
1868                 strcpy(Current_level_name,"Untitled");
1869
1870         clear_transient_objects(1);             //1 means clear proximity bombs
1871
1872         compress_objects();             //after this, Highest_object_index == num objects
1873
1874         //make sure player is in a segment
1875         if (update_object_seg(&Objects[Players[0].objnum]) == 0) {
1876                 if (ConsoleObject->segnum > Highest_segment_index)
1877                         ConsoleObject->segnum = 0;
1878                 compute_segment_center(&ConsoleObject->pos,&(Segments[ConsoleObject->segnum]));
1879         }
1880
1881         fix_object_segs();
1882
1883         //Write the header
1884
1885         gs_write_int(sig,SaveFile);
1886         gs_write_int(version,SaveFile);
1887
1888         //save placeholders
1889         gs_write_int(minedata_offset,SaveFile);
1890         gs_write_int(gamedata_offset,SaveFile);
1891
1892         //Now write the damn data
1893
1894         //write the version 8 data (to make file unreadable by 1.0 & 1.1)
1895         gs_write_int(GameTime,SaveFile);
1896         gs_write_short(FrameCount,SaveFile);
1897         gs_write_byte(FrameTime,SaveFile);
1898
1899         // Write the palette file name
1900         fprintf(SaveFile,"%s\n",Current_level_palette);
1901
1902         gs_write_int(Base_control_center_explosion_time,SaveFile);
1903         gs_write_int(Reactor_strength,SaveFile);
1904
1905         gs_write_int(Num_flickering_lights,SaveFile);
1906         fwrite(Flickering_lights,sizeof(*Flickering_lights),Num_flickering_lights,SaveFile);
1907
1908         gs_write_int(Secret_return_segment, SaveFile);
1909         gs_write_int(Secret_return_orient.rvec.x, SaveFile);
1910         gs_write_int(Secret_return_orient.rvec.y, SaveFile);
1911         gs_write_int(Secret_return_orient.rvec.z, SaveFile);
1912         gs_write_int(Secret_return_orient.fvec.x, SaveFile);
1913         gs_write_int(Secret_return_orient.fvec.y, SaveFile);
1914         gs_write_int(Secret_return_orient.fvec.z, SaveFile);
1915         gs_write_int(Secret_return_orient.uvec.x, SaveFile);
1916         gs_write_int(Secret_return_orient.uvec.y, SaveFile);
1917         gs_write_int(Secret_return_orient.uvec.z, SaveFile);
1918
1919         minedata_offset = ftell(SaveFile);
1920         if ( !compiled_version )
1921                 save_mine_data(SaveFile);
1922         else
1923                 save_mine_data_compiled(SaveFile);
1924         gamedata_offset = ftell(SaveFile);
1925         save_game_data(SaveFile);
1926
1927         fseek(SaveFile,sizeof(sig)+sizeof(version),SEEK_SET);
1928         gs_write_int(minedata_offset,SaveFile);
1929         gs_write_int(gamedata_offset,SaveFile);
1930
1931         //==================== CLOSE THE FILE =============================
1932         fclose(SaveFile);
1933
1934         if ( !compiled_version )        {
1935                 if (Function_mode == FMODE_EDITOR)
1936                         editor_status("Saved mine %s, \"%s\"",filename,Current_level_name);
1937         }
1938
1939         return 0;
1940
1941 }
1942
1943 #if 0 //dunno - 3rd party stuff?
1944 extern void compress_uv_coordinates_all(void);
1945 #endif
1946
1947 int save_level(char * filename)
1948 {
1949         int r1;
1950
1951         // Save normal version...
1952         r1 = save_level_sub(filename, 0);
1953
1954         // Save compiled version...
1955         save_level_sub(filename, 1);
1956
1957         return r1;
1958 }
1959
1960 #endif  //EDITOR
1961
1962 #ifndef NDEBUG
1963 void dump_mine_info(void)
1964 {
1965         int     segnum, sidenum;
1966         fix     min_u, max_u, min_v, max_v, min_l, max_l, max_sl;
1967
1968         min_u = F1_0*1000;
1969         min_v = min_u;
1970         min_l = min_u;
1971
1972         max_u = -min_u;
1973         max_v = max_u;
1974         max_l = max_u;
1975
1976         max_sl = 0;
1977
1978         for (segnum=0; segnum<=Highest_segment_index; segnum++) {
1979                 for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++) {
1980                         int     vertnum;
1981                         side    *sidep = &Segments[segnum].sides[sidenum];
1982
1983                         if (Segment2s[segnum].static_light > max_sl)
1984                                 max_sl = Segment2s[segnum].static_light;
1985
1986                         for (vertnum=0; vertnum<4; vertnum++) {
1987                                 if (sidep->uvls[vertnum].u < min_u)
1988                                         min_u = sidep->uvls[vertnum].u;
1989                                 else if (sidep->uvls[vertnum].u > max_u)
1990                                         max_u = sidep->uvls[vertnum].u;
1991
1992                                 if (sidep->uvls[vertnum].v < min_v)
1993                                         min_v = sidep->uvls[vertnum].v;
1994                                 else if (sidep->uvls[vertnum].v > max_v)
1995                                         max_v = sidep->uvls[vertnum].v;
1996
1997                                 if (sidep->uvls[vertnum].l < min_l)
1998                                         min_l = sidep->uvls[vertnum].l;
1999                                 else if (sidep->uvls[vertnum].l > max_l)
2000                                         max_l = sidep->uvls[vertnum].l;
2001                         }
2002
2003                 }
2004         }
2005
2006 //      mprintf((0, "Smallest uvl = %7.3f %7.3f %7.3f.  Largest uvl = %7.3f %7.3f %7.3f\n", f2fl(min_u), f2fl(min_v), f2fl(min_l), f2fl(max_u), f2fl(max_v), f2fl(max_l)));
2007 //      mprintf((0, "Static light maximum = %7.3f\n", f2fl(max_sl)));
2008 //      mprintf((0, "Number of walls: %i\n", Num_walls));
2009
2010 }
2011
2012 #endif
2013
2014 #ifdef EDITOR
2015
2016 //read in every level in mission and save out compiled version
2017 void save_all_compiled_levels(void)
2018 {
2019         do_load_save_levels(1);
2020 }
2021
2022 //read in every level in mission
2023 void load_all_levels(void)
2024 {
2025         do_load_save_levels(0);
2026 }
2027
2028
2029 void do_load_save_levels(int save)
2030 {
2031         int level_num;
2032
2033         if (! SafetyCheck())
2034                 return;
2035
2036         no_old_level_file_error=1;
2037
2038         for (level_num=1;level_num<=Last_level;level_num++) {
2039                 load_level(Level_names[level_num-1]);
2040                 load_palette(Current_level_palette,1,1);                //don't change screen
2041                 if (save)
2042                         save_level_sub(Level_names[level_num-1],1);
2043         }
2044
2045         for (level_num=-1;level_num>=Last_secret_level;level_num--) {
2046                 load_level(Secret_level_names[-level_num-1]);
2047                 load_palette(Current_level_palette,1,1);                //don't change screen
2048                 if (save)
2049                         save_level_sub(Secret_level_names[-level_num-1],1);
2050         }
2051
2052         no_old_level_file_error=0;
2053
2054 }
2055
2056 #endif