main/gamesave.c

   1 /*
   2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   3 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   6 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   8 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
   9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  12 */
  13
  14 #ifdef RCS
  15 char gamesave_rcsid[] = "$Id: gamesave.c,v 1.1.1.1 2001-01-19 03:29:59 bradleyb Exp $";
  16 #endif
  17
  18 #include <conf.h>
  19 #include <stdio.h>
  20 #include <string.h>
  21
  22 #include "pstypes.h"
  23 #include "strutil.h"
  24 #include "mono.h"
  25 #include "key.h"
  26 #include "gr.h"
  27 #include "palette.h"
  28 #include "newmenu.h"
  29
  30 #include "inferno.h"
  31 #ifdef EDITOR
  32 #include "editor\editor.h"
  33 #endif
  34 #include "error.h"
  35 #include "object.h"
  36 #include "game.h"
  37 #include "screens.h"
  38 #include "wall.h"
  39 #include "gamemine.h"
  40 #include "robot.h"
  41
  42
  43 #include "cfile.h"
  44 #include "bm.h"
  45 #include "menu.h"
  46 #include "switch.h"
  47 #include "fuelcen.h"
  48 #include "cntrlcen.h"
  49 #include "powerup.h"
  50 #include "weapon.h"
  51 #include "newdemo.h"
  52 #include "gameseq.h"
  53 #include "automap.h"
  54 #include "polyobj.h"
  55 #include "text.h"
  56 #include "gamefont.h"
  57 #include "gamesave.h"
  58 #include "gamepal.h"
  59 #include "laser.h"
  60 #include "byteswap.h"
  61 #include "multi.h"
  62
  63 char Gamesave_current_filename[128];
  64
  65 #define GAME_VERSION                                    32
  66 #define GAME_COMPATIBLE_VERSION 22
  67
  68 //version 28->29        add delta light support
  69 //version 27->28  controlcen id now is reactor number, not model number
  70 //version 28->29  ??
  71 //version 29->30        changed trigger structure
  72 //version 30->31        changed trigger structure some more
  73 //version 31->32        change segment structure, make it 512 bytes w/o editor, add Segment2s array.
  74
  75 #define MENU_CURSOR_X_MIN                       MENU_X
  76 #define MENU_CURSOR_X_MAX                       MENU_X+6
  77
  78 //Start old wall structures
  79
  80 typedef struct v16_wall {
  81         byte  type;                             // What kind of special wall.
  82         byte    flags;                          // Flags for the wall.
  83         fix   hps;                                      // "Hit points" of the wall.
  84         byte    trigger;                                // Which trigger is associated with the wall.
  85         byte    clip_num;                       // Which        animation associated with the wall.
  86         byte    keys;
  87         } v16_wall;
  88
  89 typedef struct v19_wall {
  90         int     segnum,sidenum; // Seg & side for this wall
  91         byte    type;                           // What kind of special wall.
  92         byte    flags;                          // Flags for the wall.
  93         fix   hps;                                      // "Hit points" of the wall.
  94         byte    trigger;                                // Which trigger is associated with the wall.
  95         byte    clip_num;                       // Which        animation associated with the wall.
  96         byte    keys;
  97         int     linked_wall;            // number of linked wall
  98         } v19_wall;
  99
 100 typedef struct v19_door {
 101         int             n_parts;                                        // for linked walls
 102         short   seg[2];                                         // Segment pointer of door.
 103         short   side[2];                                        // Side number of door.
 104         short   type[2];                                        // What kind of door animation.
 105         fix             open;                                           //      How long it has been open.
 106 } v19_door;
 107
 108 //End old wall structures
 109
 110 //old trigger structs
 111
 112 typedef struct v29_trigger {
 113         byte            type;
 114         short           flags;
 115         fix             value;
 116         fix             time;
 117         byte            link_num;
 118         short   num_links;
 119         short   seg[MAX_WALLS_PER_LINK];
 120         short           side[MAX_WALLS_PER_LINK];
 121         } v29_trigger;
 122
 123 typedef struct v30_trigger {
 124         short           flags;
 125         byte            num_links;
 126         byte            pad;                    //keep alignment
 127         fix             value;
 128         fix             time;
 129         short   seg[MAX_WALLS_PER_LINK];
 130         short           side[MAX_WALLS_PER_LINK];
 131         } v30_trigger;
 132
 133 //flags for V30 & below triggers
 134 #define TRIGGER_CONTROL_DOORS           1       // Control Trigger
 135 #define TRIGGER_SHIELD_DAMAGE           2       // Shield Damage Trigger
 136 #define TRIGGER_ENERGY_DRAIN            4       // Energy Drain Trigger
 137 #define TRIGGER_EXIT                                    8       // End of level Trigger
 138 #define TRIGGER_ON                                        16    // Whether Trigger is active
 139 #define TRIGGER_ONE_SHOT                          32    // If Trigger can only be triggered once
 140 #define TRIGGER_MATCEN                            64    // Trigger for materialization centers
 141 #define TRIGGER_ILLUSION_OFF             128    // Switch Illusion OFF trigger
 142 #define TRIGGER_SECRET_EXIT              256    // Exit to secret level
 143 #define TRIGGER_ILLUSION_ON              512    // Switch Illusion ON trigger
 144 #define TRIGGER_UNLOCK_DOORS            1024    // Unlocks a door
 145 #define TRIGGER_OPEN_WALL                       2048    // Makes a wall open
 146 #define TRIGGER_CLOSE_WALL              4096    // Makes a wall closed
 147 #define TRIGGER_ILLUSORY_WALL   8192    // Makes a wall illusory
 148
 149 struct {
 150         ushort  fileinfo_signature;
 151         ushort  fileinfo_version;
 152         int             fileinfo_sizeof;
 153 } game_top_fileinfo;    // Should be same as first two fields below...
 154
 155 struct {
 156         ushort  fileinfo_signature;
 157         ushort  fileinfo_version;
 158         int             fileinfo_sizeof;
 159         char            mine_filename[15];
 160         int             level;
 161         int             player_offset;                          // Player info
 162         int             player_sizeof;
 163         int             object_offset;                          // Object info
 164         int             object_howmany;
 165         int             object_sizeof;
 166         int             walls_offset;
 167         int             walls_howmany;
 168         int             walls_sizeof;
 169         int             doors_offset;
 170         int             doors_howmany;
 171         int             doors_sizeof;
 172         int             triggers_offset;
 173         int             triggers_howmany;
 174         int             triggers_sizeof;
 175         int             links_offset;
 176         int             links_howmany;
 177         int             links_sizeof;
 178         int             control_offset;
 179         int             control_howmany;
 180         int             control_sizeof;
 181         int             matcen_offset;
 182         int             matcen_howmany;
 183         int             matcen_sizeof;
 184         int             dl_indices_offset;
 185         int             dl_indices_howmany;
 186         int             dl_indices_sizeof;
 187         int             delta_light_offset;
 188         int             delta_light_howmany;
 189         int             delta_light_sizeof;
 190 } game_fileinfo;
 191
 192 //      LINT: adding function prototypes
 193 void read_object(object *obj, CFILE *f, int version);
 194 void write_object(object *obj, FILE *f);
 195 void dump_mine_info(void);
 196
 197 extern char MaxPowerupsAllowed[MAX_POWERUP_TYPES];
 198 extern char PowerupsInMine[MAX_POWERUP_TYPES];
 199
 200 #ifdef EDITOR
 201 extern char mine_filename[];
 202 extern int save_mine_data_compiled(FILE * SaveFile);
 203 //--unused-- #else
 204 //--unused-- char mine_filename[128];
 205 #endif
 206
 207 int Gamesave_num_org_robots = 0;
 208 //--unused-- grs_bitmap * Gamesave_saved_bitmap = NULL;
 209
 210 #ifdef EDITOR
 211 //      Return true if this level has a name of the form "level??"
 212 //      Note that a pathspec can appear at the beginning of the filename.
 213 int is_real_level(char *filename)
 214 {
 215         int     len = strlen(filename);
 216
 217         if (len < 6)
 218                 return 0;
 219
 220         //mprintf((0, "String = [%s]\n", &filename[len-11]));
 221         return !strnicmp(&filename[len-11], "level", 5);
 222
 223 }
 224 #endif
 225
 226 void change_filename_extension( char *dest, char *src, char *new_ext )
 227 {
 228         int i;
 229
 230         strcpy (dest, src);
 231
 232         if (new_ext[0]=='.')
 233                 new_ext++;
 234
 235         for (i=1; i<strlen(dest); i++ )
 236                 if (dest[i]=='.'||dest[i]==' '||dest[i]==0)
 237                         break;
 238
 239         if (i < 123) {
 240                 dest[i]='.';
 241                 dest[i+1]=new_ext[0];
 242                 dest[i+2]=new_ext[1];
 243                 dest[i+3]=new_ext[2];
 244                 dest[i+4]=0;
 245                 return;
 246         }
 247 }
 248
 249 //--unused-- vms_angvec zero_angles={0,0,0};
 250
 251 #define vm_angvec_zero(v) do {(v)->p=(v)->b=(v)->h=0;} while (0)
 252
 253 int Gamesave_num_players=0;
 254
 255 int N_save_pof_names;
 256 char Save_pof_names[MAX_POLYGON_MODELS][FILENAME_LEN];
 257
 258 void check_and_fix_matrix(vms_matrix *m);
 259
 260 void verify_object( object * obj )      {
 261
 262         obj->lifeleft = IMMORTAL_TIME;          //all loaded object are immortal, for now
 263
 264         if ( obj->type == OBJ_ROBOT )   {
 265                 Gamesave_num_org_robots++;
 266
 267                 // Make sure valid id...
 268                 if ( obj->id >= N_robot_types )
 269                         obj->id = obj->id % N_robot_types;
 270
 271                 // Make sure model number & size are correct...
 272                 if ( obj->render_type == RT_POLYOBJ ) {
 273                         Assert(Robot_info[obj->id].model_num != -1);
 274                                 //if you fail this assert, it means that a robot in this level
 275                                 //hasn't been loaded, possibly because he's marked as
 276                                 //non-shareware.  To see what robot number, print obj->id.
 277
 278                         Assert(Robot_info[obj->id].always_0xabcd == 0xabcd);
 279                                 //if you fail this assert, it means that the robot_ai for
 280                                 //a robot in this level hasn't been loaded, possibly because
 281                                 //it's marked as non-shareware.  To see what robot number,
 282                                 //print obj->id.
 283
 284                         obj->rtype.pobj_info.model_num = Robot_info[obj->id].model_num;
 285                         obj->size = Polygon_models[obj->rtype.pobj_info.model_num].rad;
 286
 287                         //@@Took out this ugly hack 1/12/96, because Mike has added code
 288                         //@@that should fix it in a better way.
 289                         //@@//this is a super-ugly hack.  Since the baby stripe robots have
 290                         //@@//their firing point on their bounding sphere, the firing points
 291                         //@@//can poke through a wall if the robots are very close to it. So
 292                         //@@//we make their radii bigger so the guns can't get too close to
 293                         //@@//the walls
 294                         //@@if (Robot_info[obj->id].flags & RIF_BIG_RADIUS)
 295                         //@@    obj->size = (obj->size*3)/2;
 296
 297                         //@@if (obj->control_type==CT_AI && Robot_info[obj->id].attack_type)
 298                         //@@    obj->size = obj->size*3/4;
 299                 }
 300
 301                 if (obj->id == 65)                                              //special "reactor" robots
 302                         obj->movement_type = MT_NONE;
 303
 304                 if (obj->movement_type == MT_PHYSICS) {
 305                         obj->mtype.phys_info.mass = Robot_info[obj->id].mass;
 306                         obj->mtype.phys_info.drag = Robot_info[obj->id].drag;
 307                 }
 308         }
 309         else {          //Robots taken care of above
 310
 311                 if ( obj->render_type == RT_POLYOBJ ) {
 312                         int i;
 313                         char *name = Save_pof_names[obj->rtype.pobj_info.model_num];
 314
 315                         for (i=0;i<N_polygon_models;i++)
 316                                 if (!stricmp(Pof_names[i],name)) {              //found it!
 317                                         // mprintf((0,"Mapping <%s> to %d (was %d)\n",name,i,obj->rtype.pobj_info.model_num));
 318                                         obj->rtype.pobj_info.model_num = i;
 319                                         break;
 320                                 }
 321                 }
 322         }
 323
 324         if ( obj->type == OBJ_POWERUP ) {
 325                 if ( obj->id >= N_powerup_types )       {
 326                         obj->id = 0;
 327                         Assert( obj->render_type != RT_POLYOBJ );
 328                 }
 329                 obj->control_type = CT_POWERUP;
 330                 obj->size = Powerup_info[obj->id].size;
 331                 obj->ctype.powerup_info.creation_time = 0;
 332
 333 #ifdef NETWORK
 334                 if (Game_mode & GM_NETWORK)
 335                         {
 336                           if (multi_powerup_is_4pack(obj->id))
 337                                 {
 338                                  PowerupsInMine[obj->id-1]+=4;
 339                                  MaxPowerupsAllowed[obj->id-1]+=4;
 340                                 }
 341                           PowerupsInMine[obj->id]++;
 342                      MaxPowerupsAllowed[obj->id]++;
 343                           mprintf ((0,"PowerupLimiter: ID=%d\n",obj->id));
 344                           if (obj->id>MAX_POWERUP_TYPES)
 345                                 mprintf ((1,"POWERUP: Overwriting array bounds!! Get JL!\n"));
 346                         }
 347 #endif
 348
 349         }
 350
 351         if ( obj->type == OBJ_WEAPON )  {
 352                 if ( obj->id >= N_weapon_types )        {
 353                         obj->id = 0;
 354                         Assert( obj->render_type != RT_POLYOBJ );
 355                 }
 356
 357                 if (obj->id == PMINE_ID) {              //make sure pmines have correct values
 358
 359                         obj->mtype.phys_info.mass = Weapon_info[obj->id].mass;
 360                         obj->mtype.phys_info.drag = Weapon_info[obj->id].drag;
 361                         obj->mtype.phys_info.flags |= PF_FREE_SPINNING;
 362
 363                         // Make sure model number & size are correct...
 364                         Assert( obj->render_type == RT_POLYOBJ );
 365
 366                         obj->rtype.pobj_info.model_num = Weapon_info[obj->id].model_num;
 367                         obj->size = Polygon_models[obj->rtype.pobj_info.model_num].rad;
 368                 }
 369         }
 370
 371         if ( obj->type == OBJ_CNTRLCEN )        {
 372
 373                 obj->render_type = RT_POLYOBJ;
 374                 obj->control_type = CT_CNTRLCEN;
 375
 376                 //@@// Make model number is correct...
 377                 //@@for (i=0; i<Num_total_object_types; i++ )
 378                 //@@    if ( ObjType[i] == OL_CONTROL_CENTER )          {
 379                 //@@            obj->rtype.pobj_info.model_num = ObjId[i];
 380                 //@@            obj->shields = ObjStrength[i];
 381                 //@@            break;
 382                 //@@    }
 383
 384                 #ifdef EDITOR
 385                 {
 386                 int i;
 387                 // Check, and set, strength of reactor
 388                 for (i=0; i<Num_total_object_types; i++ )
 389                         if ( ObjType[i]==OL_CONTROL_CENTER && ObjId[i] == obj->id ) {
 390                                 obj->shields = ObjStrength[i];
 391                                 break;
 392                         }
 393                 Assert(i < Num_total_object_types);             //make sure we found it
 394                 }
 395                 #endif
 396         }
 397
 398         if ( obj->type == OBJ_PLAYER )  {
 399                 //int i;
 400
 401                 //Assert(obj == Player);
 402
 403                 if ( obj == ConsoleObject )
 404                         init_player_object();
 405                 else
 406                         if (obj->render_type == RT_POLYOBJ)     //recover from Matt's pof file matchup bug
 407                                 obj->rtype.pobj_info.model_num = Player_ship->model_num;
 408
 409                 //Make sure orient matrix is orthogonal
 410                 check_and_fix_matrix(&obj->orient);
 411
 412                 obj->id = Gamesave_num_players++;
 413         }
 414
 415         if (obj->type == OBJ_HOSTAGE) {
 416
 417                 //@@if (obj->id > N_hostage_types)
 418                 //@@    obj->id = 0;
 419
 420                 obj->render_type = RT_HOSTAGE;
 421                 obj->control_type = CT_POWERUP;
 422         }
 423
 424 }
 425
 426 static int read_int(CFILE *file)
 427 {
 428         int i;
 429
 430         if (cfread( &i, sizeof(i), 1, file) != 1)
 431                 Error( "Error reading int in gamesave.c" );
 432
 433         i = INTEL_INT(i);
 434         return i;
 435 }
 436
 437 static fix read_fix(CFILE *file)
 438 {
 439         fix f;
 440
 441         if (cfread( &f, sizeof(f), 1, file) != 1)
 442                 Error( "Error reading fix in gamesave.c" );
 443
 444         f = (fix)INTEL_INT((int)f);
 445         return f;
 446 }
 447
 448 static short read_short(CFILE *file)
 449 {
 450         short s;
 451
 452         if (cfread( &s, sizeof(s), 1, file) != 1)
 453                 Error( "Error reading short in gamesave.c" );
 454
 455         s = INTEL_SHORT(s);
 456         return s;
 457 }
 458
 459 static short read_fixang(CFILE *file)
 460 {
 461         fixang f;
 462
 463         if (cfread( &f, sizeof(f), 1, file) != 1)
 464                 Error( "Error reading fixang in gamesave.c" );
 465
 466         f = (fixang)INTEL_SHORT((short)f);
 467         return f;
 468 }
 469
 470 static byte read_byte(CFILE *file)
 471 {
 472         byte b;
 473
 474         if (cfread( &b, sizeof(b), 1, file) != 1)
 475                 Error( "Error reading byte in gamesave.c" );
 476
 477         return b;
 478 }
 479
 480 static void read_vector(vms_vector *v,CFILE *file)
 481 {
 482         v->x = read_fix(file);
 483         v->y = read_fix(file);
 484         v->z = read_fix(file);
 485 }
 486
 487 static void read_matrix(vms_matrix *m,CFILE *file)
 488 {
 489         read_vector(&m->rvec,file);
 490         read_vector(&m->uvec,file);
 491         read_vector(&m->fvec,file);
 492 }
 493
 494 static void read_angvec(vms_angvec *v,CFILE *file)
 495 {
 496         v->p = read_fixang(file);
 497         v->b = read_fixang(file);
 498         v->h = read_fixang(file);
 499 }
 500
 501 //static gs_skip(int len,CFILE *file)
 502 //{
 503 //
 504 //      cfseek(file,len,SEEK_CUR);
 505 //}
 506
 507 #ifdef EDITOR
 508 static void gs_write_int(int i,FILE *file)
 509 {
 510         if (fwrite( &i, sizeof(i), 1, file) != 1)
 511                 Error( "Error reading int in gamesave.c" );
 512
 513 }
 514
 515 static void gs_write_fix(fix f,FILE *file)
 516 {
 517         if (fwrite( &f, sizeof(f), 1, file) != 1)
 518                 Error( "Error reading fix in gamesave.c" );
 519
 520 }
 521
 522 static void gs_write_short(short s,FILE *file)
 523 {
 524         if (fwrite( &s, sizeof(s), 1, file) != 1)
 525                 Error( "Error reading short in gamesave.c" );
 526
 527 }
 528
 529 static void gs_write_fixang(fixang f,FILE *file)
 530 {
 531         if (fwrite( &f, sizeof(f), 1, file) != 1)
 532                 Error( "Error reading fixang in gamesave.c" );
 533
 534 }
 535
 536 static void gs_write_byte(byte b,FILE *file)
 537 {
 538         if (fwrite( &b, sizeof(b), 1, file) != 1)
 539                 Error( "Error reading byte in gamesave.c" );
 540
 541 }
 542
 543 static void gr_write_vector(vms_vector *v,FILE *file)
 544 {
 545         gs_write_fix(v->x,file);
 546         gs_write_fix(v->y,file);
 547         gs_write_fix(v->z,file);
 548 }
 549
 550 static void gs_write_matrix(vms_matrix *m,FILE *file)
 551 {
 552         gr_write_vector(&m->rvec,file);
 553         gr_write_vector(&m->uvec,file);
 554         gr_write_vector(&m->fvec,file);
 555 }
 556
 557 static void gs_write_angvec(vms_angvec *v,FILE *file)
 558 {
 559         gs_write_fixang(v->p,file);
 560         gs_write_fixang(v->b,file);
 561         gs_write_fixang(v->h,file);
 562 }
 563
 564 #endif
 565
 566
 567 extern int multi_powerup_is_4pack(int);
 568 //reads one object of the given version from the given file
 569 void read_object(object *obj,CFILE *f,int version)
 570 {
 571
 572         obj->type                               = read_byte(f);
 573         obj->id                                 = read_byte(f);
 574
 575         if (obj->type == OBJ_CNTRLCEN && version<28)
 576                 obj->id = 0;            //used to be only one kind of reactor
 577
 578         obj->control_type               = read_byte(f);
 579         obj->movement_type      = read_byte(f);
 580         obj->render_type                = read_byte(f);
 581         obj->flags                              = read_byte(f);
 582
 583         obj->segnum                             = read_short(f);
 584         obj->attached_obj               = -1;
 585
 586         read_vector(&obj->pos,f);
 587         read_matrix(&obj->orient,f);
 588
 589         obj->size                               = read_fix(f);
 590         obj->shields                    = read_fix(f);
 591
 592         read_vector(&obj->last_pos,f);
 593
 594         obj->contains_type      = read_byte(f);
 595         obj->contains_id                = read_byte(f);
 596         obj->contains_count     = read_byte(f);
 597
 598         switch (obj->movement_type) {
 599
 600                 case MT_PHYSICS:
 601
 602                         read_vector(&obj->mtype.phys_info.velocity,f);
 603                         read_vector(&obj->mtype.phys_info.thrust,f);
 604
 605                         obj->mtype.phys_info.mass               = read_fix(f);
 606                         obj->mtype.phys_info.drag               = read_fix(f);
 607                         obj->mtype.phys_info.brakes     = read_fix(f);
 608
 609                         read_vector(&obj->mtype.phys_info.rotvel,f);
 610                         read_vector(&obj->mtype.phys_info.rotthrust,f);
 611
 612                         obj->mtype.phys_info.turnroll   = read_fixang(f);
 613                         obj->mtype.phys_info.flags              = read_short(f);
 614
 615                         break;
 616
 617                 case MT_SPINNING:
 618
 619                         read_vector(&obj->mtype.spin_rate,f);
 620                         break;
 621
 622                 case MT_NONE:
 623                         break;
 624
 625                 default:
 626                         Int3();
 627         }
 628
 629         switch (obj->control_type) {
 630
 631                 case CT_AI: {
 632                         int i;
 633
 634                         obj->ctype.ai_info.behavior                             = read_byte(f);
 635
 636                         for (i=0;i<MAX_AI_FLAGS;i++)
 637                                 obj->ctype.ai_info.flags[i]                     = read_byte(f);
 638
 639                         obj->ctype.ai_info.hide_segment                 = read_short(f);
 640                         obj->ctype.ai_info.hide_index                   = read_short(f);
 641                         obj->ctype.ai_info.path_length                  = read_short(f);
 642                         obj->ctype.ai_info.cur_path_index               = read_short(f);
 643
 644                         if (version <= 25) {
 645                                 read_short(f);  //                              obj->ctype.ai_info.follow_path_start_seg        =
 646                                 read_short(f);  //                              obj->ctype.ai_info.follow_path_end_seg          =
 647                         }
 648
 649                         break;
 650                 }
 651
 652                 case CT_EXPLOSION:
 653
 654                         obj->ctype.expl_info.spawn_time         = read_fix(f);
 655                         obj->ctype.expl_info.delete_time                = read_fix(f);
 656                         obj->ctype.expl_info.delete_objnum      = read_short(f);
 657                         obj->ctype.expl_info.next_attach = obj->ctype.expl_info.prev_attach = obj->ctype.expl_info.attach_parent = -1;
 658
 659                         break;
 660
 661                 case CT_WEAPON:
 662
 663                         //do I really need to read these?  Are they even saved to disk?
 664
 665                         obj->ctype.laser_info.parent_type               = read_short(f);
 666                         obj->ctype.laser_info.parent_num                = read_short(f);
 667                         obj->ctype.laser_info.parent_signature  = read_int(f);
 668
 669                         break;
 670
 671                 case CT_LIGHT:
 672
 673                         obj->ctype.light_info.intensity = read_fix(f);
 674                         break;
 675
 676                 case CT_POWERUP:
 677
 678                         if (version >= 25)
 679                                 obj->ctype.powerup_info.count = read_int(f);
 680                         else
 681                                 obj->ctype.powerup_info.count = 1;
 682
 683                         if (obj->id == POW_VULCAN_WEAPON)
 684                                         obj->ctype.powerup_info.count = VULCAN_WEAPON_AMMO_AMOUNT;
 685
 686                         if (obj->id == POW_GAUSS_WEAPON)
 687                                         obj->ctype.powerup_info.count = VULCAN_WEAPON_AMMO_AMOUNT;
 688
 689                         if (obj->id == POW_OMEGA_WEAPON)
 690                                         obj->ctype.powerup_info.count = MAX_OMEGA_CHARGE;
 691
 692                         break;
 693
 694
 695                 case CT_NONE:
 696                 case CT_FLYING:
 697                 case CT_DEBRIS:
 698                         break;
 699
 700                 case CT_SLEW:           //the player is generally saved as slew
 701                         break;
 702
 703                 case CT_CNTRLCEN:
 704                         break;
 705
 706                 case CT_MORPH:
 707                 case CT_FLYTHROUGH:
 708                 case CT_REPAIRCEN:
 709                 default:
 710                         Int3();
 711
 712         }
 713
 714         switch (obj->render_type) {
 715
 716                 case RT_NONE:
 717                         break;
 718
 719                 case RT_MORPH:
 720                 case RT_POLYOBJ: {
 721                         int i,tmo;
 722
 723                         obj->rtype.pobj_info.model_num          = read_int(f);
 724
 725                         for (i=0;i<MAX_SUBMODELS;i++)
 726                                 read_angvec(&obj->rtype.pobj_info.anim_angles[i],f);
 727
 728                         obj->rtype.pobj_info.subobj_flags       = read_int(f);
 729
 730                         tmo = read_int(f);
 731
 732                         #ifndef EDITOR
 733                         obj->rtype.pobj_info.tmap_override      = tmo;
 734                         #else
 735                         if (tmo==-1)
 736                                 obj->rtype.pobj_info.tmap_override      = -1;
 737                         else {
 738                                 int xlated_tmo = tmap_xlate_table[tmo];
 739                                 if (xlated_tmo < 0)     {
 740                                         mprintf( (0, "Couldn't find texture for demo object, model_num = %d\n", obj->rtype.pobj_info.model_num));
 741                                         Int3();
 742                                         xlated_tmo = 0;
 743                                 }
 744                                 obj->rtype.pobj_info.tmap_override      = xlated_tmo;
 745                         }
 746                         #endif
 747
 748                         obj->rtype.pobj_info.alt_textures       = 0;
 749
 750                         break;
 751                 }
 752
 753                 case RT_WEAPON_VCLIP:
 754                 case RT_HOSTAGE:
 755                 case RT_POWERUP:
 756                 case RT_FIREBALL:
 757
 758                         obj->rtype.vclip_info.vclip_num = read_int(f);
 759                         obj->rtype.vclip_info.frametime = read_fix(f);
 760                         obj->rtype.vclip_info.framenum  = read_byte(f);
 761
 762                         break;
 763
 764                 case RT_LASER:
 765                         break;
 766
 767                 default:
 768                         Int3();
 769
 770         }
 771
 772 }
 773
 774 #ifdef EDITOR
 775
 776 //writes one object to the given file
 777 void write_object(object *obj,FILE *f)
 778 {
 779         gs_write_byte(obj->type,f);
 780         gs_write_byte(obj->id,f);
 781
 782         gs_write_byte(obj->control_type,f);
 783         gs_write_byte(obj->movement_type,f);
 784         gs_write_byte(obj->render_type,f);
 785         gs_write_byte(obj->flags,f);
 786
 787         gs_write_short(obj->segnum,f);
 788
 789         gr_write_vector(&obj->pos,f);
 790         gs_write_matrix(&obj->orient,f);
 791
 792         gs_write_fix(obj->size,f);
 793         gs_write_fix(obj->shields,f);
 794
 795         gr_write_vector(&obj->last_pos,f);
 796
 797         gs_write_byte(obj->contains_type,f);
 798         gs_write_byte(obj->contains_id,f);
 799         gs_write_byte(obj->contains_count,f);
 800
 801         switch (obj->movement_type) {
 802
 803                 case MT_PHYSICS:
 804
 805                         gr_write_vector(&obj->mtype.phys_info.velocity,f);
 806                         gr_write_vector(&obj->mtype.phys_info.thrust,f);
 807
 808                         gs_write_fix(obj->mtype.phys_info.mass,f);
 809                         gs_write_fix(obj->mtype.phys_info.drag,f);
 810                         gs_write_fix(obj->mtype.phys_info.brakes,f);
 811
 812                         gr_write_vector(&obj->mtype.phys_info.rotvel,f);
 813                         gr_write_vector(&obj->mtype.phys_info.rotthrust,f);
 814
 815                         gs_write_fixang(obj->mtype.phys_info.turnroll,f);
 816                         gs_write_short(obj->mtype.phys_info.flags,f);
 817
 818                         break;
 819
 820                 case MT_SPINNING:
 821
 822                         gr_write_vector(&obj->mtype.spin_rate,f);
 823                         break;
 824
 825                 case MT_NONE:
 826                         break;
 827
 828                 default:
 829                         Int3();
 830         }
 831
 832         switch (obj->control_type) {
 833
 834                 case CT_AI: {
 835                         int i;
 836
 837                         gs_write_byte(obj->ctype.ai_info.behavior,f);
 838
 839                         for (i=0;i<MAX_AI_FLAGS;i++)
 840                                 gs_write_byte(obj->ctype.ai_info.flags[i],f);
 841
 842                         gs_write_short(obj->ctype.ai_info.hide_segment,f);
 843                         gs_write_short(obj->ctype.ai_info.hide_index,f);
 844                         gs_write_short(obj->ctype.ai_info.path_length,f);
 845                         gs_write_short(obj->ctype.ai_info.cur_path_index,f);
 846
 847                         // -- unused! mk, 08/13/95 -- gs_write_short(obj->ctype.ai_info.follow_path_start_seg,f);
 848                         // -- unused! mk, 08/13/95 -- gs_write_short(obj->ctype.ai_info.follow_path_end_seg,f);
 849
 850                         break;
 851                 }
 852
 853                 case CT_EXPLOSION:
 854
 855                         gs_write_fix(obj->ctype.expl_info.spawn_time,f);
 856                         gs_write_fix(obj->ctype.expl_info.delete_time,f);
 857                         gs_write_short(obj->ctype.expl_info.delete_objnum,f);
 858
 859                         break;
 860
 861                 case CT_WEAPON:
 862
 863                         //do I really need to write these objects?
 864
 865                         gs_write_short(obj->ctype.laser_info.parent_type,f);
 866                         gs_write_short(obj->ctype.laser_info.parent_num,f);
 867                         gs_write_int(obj->ctype.laser_info.parent_signature,f);
 868
 869                         break;
 870
 871                 case CT_LIGHT:
 872
 873                         gs_write_fix(obj->ctype.light_info.intensity,f);
 874                         break;
 875
 876                 case CT_POWERUP:
 877
 878                         gs_write_int(obj->ctype.powerup_info.count,f);
 879                         break;
 880
 881                 case CT_NONE:
 882                 case CT_FLYING:
 883                 case CT_DEBRIS:
 884                         break;
 885
 886                 case CT_SLEW:           //the player is generally saved as slew
 887                         break;
 888
 889                 case CT_CNTRLCEN:
 890                         break;                  //control center object.
 891
 892                 case CT_MORPH:
 893                 case CT_REPAIRCEN:
 894                 case CT_FLYTHROUGH:
 895                 default:
 896                         Int3();
 897
 898         }
 899
 900         switch (obj->render_type) {
 901
 902                 case RT_NONE:
 903                         break;
 904
 905                 case RT_MORPH:
 906                 case RT_POLYOBJ: {
 907                         int i;
 908
 909                         gs_write_int(obj->rtype.pobj_info.model_num,f);
 910
 911                         for (i=0;i<MAX_SUBMODELS;i++)
 912                                 gs_write_angvec(&obj->rtype.pobj_info.anim_angles[i],f);
 913
 914                         gs_write_int(obj->rtype.pobj_info.subobj_flags,f);
 915
 916                         gs_write_int(obj->rtype.pobj_info.tmap_override,f);
 917
 918                         break;
 919                 }
 920
 921                 case RT_WEAPON_VCLIP:
 922                 case RT_HOSTAGE:
 923                 case RT_POWERUP:
 924                 case RT_FIREBALL:
 925
 926                         gs_write_int(obj->rtype.vclip_info.vclip_num,f);
 927                         gs_write_fix(obj->rtype.vclip_info.frametime,f);
 928                         gs_write_byte(obj->rtype.vclip_info.framenum,f);
 929
 930                         break;
 931
 932                 case RT_LASER:
 933                         break;
 934
 935                 default:
 936                         Int3();
 937
 938         }
 939
 940 }
 941 #endif
 942
 943 typedef struct  {
 944         int                     robot_flags;            // Up to 32 different robots
 945         fix                     hit_points;                     // How hard it is to destroy this particular matcen
 946         fix                     interval;                       // Interval between materialogrifizations
 947         short                   segnum;                         // Segment this is attached to.
 948         short                   fuelcen_num;            // Index in fuelcen array.
 949 } old_matcen_info;
 950
 951 extern int remove_trigger_num(int trigger_num);
 952
 953 // -----------------------------------------------------------------------------
 954 // Load game
 955 // Loads all the relevant data for a level.
 956 // If level != -1, it loads the filename with extension changed to .min
 957 // Otherwise it loads the appropriate level mine.
 958 // returns 0=everything ok, 1=old version, -1=error
 959 int load_game_data(CFILE *LoadFile)
 960 {
 961         int i,j;
 962         int start_offset;
 963
 964         start_offset = cftell(LoadFile);
 965
 966         //===================== READ FILE INFO ========================
 967
 968         // Set default values
 969         game_fileinfo.level                                     =       -1;
 970         game_fileinfo.player_offset             =       -1;
 971         game_fileinfo.player_sizeof             =       sizeof(player);
 972         game_fileinfo.object_offset             =       -1;
 973         game_fileinfo.object_howmany            =       0;
 974         game_fileinfo.object_sizeof             =       sizeof(object);
 975         game_fileinfo.walls_offset                      =       -1;
 976         game_fileinfo.walls_howmany             =       0;
 977         game_fileinfo.walls_sizeof                      =       sizeof(wall);
 978         game_fileinfo.doors_offset                      =       -1;
 979         game_fileinfo.doors_howmany             =       0;
 980         game_fileinfo.doors_sizeof                      =       sizeof(active_door);
 981         game_fileinfo.triggers_offset           =       -1;
 982         game_fileinfo.triggers_howmany  =       0;
 983         game_fileinfo.triggers_sizeof           =       sizeof(trigger);
 984         game_fileinfo.control_offset            =       -1;
 985         game_fileinfo.control_howmany           =       0;
 986         game_fileinfo.control_sizeof            =       sizeof(control_center_triggers);
 987         game_fileinfo.matcen_offset             =       -1;
 988         game_fileinfo.matcen_howmany            =       0;
 989         game_fileinfo.matcen_sizeof             =       sizeof(matcen_info);
 990
 991         game_fileinfo.dl_indices_offset         =       -1;
 992         game_fileinfo.dl_indices_howmany                =       0;
 993         game_fileinfo.dl_indices_sizeof         =       sizeof(dl_index);
 994
 995         game_fileinfo.delta_light_offset                =       -1;
 996         game_fileinfo.delta_light_howmany               =       0;
 997         game_fileinfo.delta_light_sizeof                =       sizeof(delta_light);
 998
 999         // Read in game_top_fileinfo to get size of saved fileinfo.
1000
1001         if (cfseek( LoadFile, start_offset, SEEK_SET ))
1002                 Error( "Error seeking in gamesave.c" );
1003
1004 //      if (cfread( &game_top_fileinfo, sizeof(game_top_fileinfo), 1, LoadFile) != 1)
1005 //              Error( "Error reading game_top_fileinfo in gamesave.c" );
1006
1007         game_top_fileinfo.fileinfo_signature = read_short(LoadFile);
1008         game_top_fileinfo.fileinfo_version = read_short(LoadFile);
1009         game_top_fileinfo.fileinfo_sizeof = read_int(LoadFile);
1010
1011         // Check signature
1012         if (game_top_fileinfo.fileinfo_signature != 0x6705)
1013                 return -1;
1014
1015         // Check version number
1016         if (game_top_fileinfo.fileinfo_version < GAME_COMPATIBLE_VERSION )
1017                 return -1;
1018
1019         // Now, Read in the fileinfo
1020         if (cfseek( LoadFile, start_offset, SEEK_SET ))
1021                 Error( "Error seeking to game_fileinfo in gamesave.c" );
1022
1023 //      if (cfread( &game_fileinfo, game_top_fileinfo.fileinfo_sizeof, 1, LoadFile )!=1)
1024 //              Error( "Error reading game_fileinfo in gamesave.c" );
1025
1026         game_fileinfo.fileinfo_signature = read_short(LoadFile);
1027         game_fileinfo.fileinfo_version = read_short(LoadFile);
1028         game_fileinfo.fileinfo_sizeof = read_int(LoadFile);
1029         for(i=0; i<15; i++)
1030                 game_fileinfo.mine_filename[i] = read_byte(LoadFile);
1031         game_fileinfo.level = read_int(LoadFile);
1032         game_fileinfo.player_offset = read_int(LoadFile);                               // Player info
1033         game_fileinfo.player_sizeof = read_int(LoadFile);
1034         game_fileinfo.object_offset = read_int(LoadFile);                               // Object info
1035         game_fileinfo.object_howmany = read_int(LoadFile);
1036         game_fileinfo.object_sizeof = read_int(LoadFile);
1037         game_fileinfo.walls_offset = read_int(LoadFile);
1038         game_fileinfo.walls_howmany = read_int(LoadFile);
1039         game_fileinfo.walls_sizeof = read_int(LoadFile);
1040         game_fileinfo.doors_offset = read_int(LoadFile);
1041         game_fileinfo.doors_howmany = read_int(LoadFile);
1042         game_fileinfo.doors_sizeof = read_int(LoadFile);
1043         game_fileinfo.triggers_offset = read_int(LoadFile);
1044         game_fileinfo.triggers_howmany = read_int(LoadFile);
1045         game_fileinfo.triggers_sizeof = read_int(LoadFile);
1046         game_fileinfo.links_offset = read_int(LoadFile);
1047         game_fileinfo.links_howmany = read_int(LoadFile);
1048         game_fileinfo.links_sizeof = read_int(LoadFile);
1049         game_fileinfo.control_offset = read_int(LoadFile);
1050         game_fileinfo.control_howmany = read_int(LoadFile);
1051         game_fileinfo.control_sizeof = read_int(LoadFile);
1052         game_fileinfo.matcen_offset = read_int(LoadFile);
1053         game_fileinfo.matcen_howmany = read_int(LoadFile);
1054         game_fileinfo.matcen_sizeof = read_int(LoadFile);
1055
1056         if (game_top_fileinfo.fileinfo_version >= 29) {
1057                 game_fileinfo.dl_indices_offset = read_int(LoadFile);
1058                 game_fileinfo.dl_indices_howmany = read_int(LoadFile);
1059                 game_fileinfo.dl_indices_sizeof = read_int(LoadFile);
1060
1061                 game_fileinfo.delta_light_offset = read_int(LoadFile);
1062                 game_fileinfo.delta_light_howmany = read_int(LoadFile);
1063                 game_fileinfo.delta_light_sizeof = read_int(LoadFile);
1064         }
1065
1066         if (game_top_fileinfo.fileinfo_version >= 14) { //load mine filename
1067                 //@@char *p=Current_level_name;
1068                 //@@//must do read one char at a time, since no cfgets()
1069                 //@@do *p = cfgetc(LoadFile); while (*p++!=0);
1070
1071                 cfgets(Current_level_name,sizeof(Current_level_name),LoadFile);
1072
1073                 if (Current_level_name[strlen(Current_level_name)-1] == '\n')
1074                         Current_level_name[strlen(Current_level_name)-1] = 0;
1075         }
1076         else
1077                 Current_level_name[0]=0;
1078
1079         if (game_top_fileinfo.fileinfo_version >= 19) { //load pof names
1080 //              cfread(&N_save_pof_names,2,1,LoadFile);
1081                 N_save_pof_names = read_short(LoadFile);
1082                 cfread(Save_pof_names,N_save_pof_names,FILENAME_LEN,LoadFile);
1083         }
1084
1085         //===================== READ PLAYER INFO ==========================
1086         Object_next_signature = 0;
1087
1088         //===================== READ OBJECT INFO ==========================
1089
1090         Gamesave_num_org_robots = 0;
1091         Gamesave_num_players = 0;
1092
1093         if (game_fileinfo.object_offset > -1) {
1094                 if (cfseek( LoadFile, game_fileinfo.object_offset, SEEK_SET ))
1095                         Error( "Error seeking to object_offset in gamesave.c" );
1096
1097                 for (i=0;i<game_fileinfo.object_howmany;i++)    {
1098
1099                         read_object(&Objects[i],LoadFile,game_top_fileinfo.fileinfo_version);
1100
1101                         Objects[i].signature = Object_next_signature++;
1102                         verify_object( &Objects[i] );
1103                 }
1104
1105         }
1106
1107         //===================== READ WALL INFO ============================
1108
1109         if (game_fileinfo.walls_offset > -1)
1110         {
1111
1112                 if (!cfseek( LoadFile, game_fileinfo.walls_offset,SEEK_SET ))   {
1113                         for (i=0;i<game_fileinfo.walls_howmany;i++) {
1114
1115                                 if (game_top_fileinfo.fileinfo_version >= 20) {
1116
1117                                         Assert(sizeof(Walls[i]) == game_fileinfo.walls_sizeof);
1118
1119 // code to correctly read wall structure on mac.  I'm assuming only v20 walls
1120 // and up.
1121 #ifndef MACINTOSH
1122                                         if (cfread(&Walls[i], game_fileinfo.walls_sizeof, 1,LoadFile)!=1)
1123                                                 Error( "Error reading Walls[%d] in gamesave.c", i);
1124 #else
1125                                         Walls[i].segnum = read_int(LoadFile);
1126                                         Walls[i].sidenum = read_int(LoadFile);
1127                                         Walls[i].hps = read_fix(LoadFile);
1128                                         Walls[i].linked_wall = read_int(LoadFile);
1129                                         Walls[i].type = read_byte(LoadFile);
1130                                         Walls[i].flags = read_byte(LoadFile);
1131                                         Walls[i].state = read_byte(LoadFile);
1132                                         Walls[i].trigger = read_byte(LoadFile);
1133                                         Walls[i].clip_num = read_byte(LoadFile);
1134                                         Walls[i].keys = read_byte(LoadFile);
1135                                         Walls[i].controlling_trigger = read_byte(LoadFile);
1136                                         Walls[i].cloak_value = read_byte(LoadFile);
1137 #endif
1138                                 }
1139                                 else if (game_top_fileinfo.fileinfo_version >= 17) {
1140                                         v19_wall w;
1141
1142                                         Assert(sizeof(w) == game_fileinfo.walls_sizeof);
1143
1144                                         if (cfread(&w, game_fileinfo.walls_sizeof, 1,LoadFile)!=1)
1145                                                 Error( "Error reading Walls[%d] in gamesave.c", i);
1146
1147                                         Walls[i].segnum         = w.segnum;
1148                                         Walls[i].sidenum                = w.sidenum;
1149                                         Walls[i].linked_wall    = w.linked_wall;
1150
1151                                         Walls[i].type                   = w.type;
1152                                         Walls[i].flags                  = w.flags;
1153                                         Walls[i].hps                    = w.hps;
1154                                         Walls[i].trigger                = w.trigger;
1155                                         Walls[i].clip_num               = w.clip_num;
1156                                         Walls[i].keys                   = w.keys;
1157
1158                                         Walls[i].state                  = WALL_DOOR_CLOSED;
1159                                 }
1160                                 else {
1161                                         v16_wall w;
1162
1163                                         Assert(sizeof(w) == game_fileinfo.walls_sizeof);
1164
1165                                         if (cfread(&w, game_fileinfo.walls_sizeof, 1,LoadFile)!=1)
1166                                                 Error( "Error reading Walls[%d] in gamesave.c", i);
1167
1168                                         Walls[i].segnum = Walls[i].sidenum = Walls[i].linked_wall = -1;
1169
1170                                         Walls[i].type           = w.type;
1171                                         Walls[i].flags          = w.flags;
1172                                         Walls[i].hps            = w.hps;
1173                                         Walls[i].trigger        = w.trigger;
1174                                         Walls[i].clip_num       = w.clip_num;
1175                                         Walls[i].keys           = w.keys;
1176                                 }
1177
1178                         }
1179                 }
1180         }
1181
1182         //===================== READ DOOR INFO ============================
1183
1184         if (game_fileinfo.doors_offset > -1)
1185         {
1186                 if (!cfseek( LoadFile, game_fileinfo.doors_offset,SEEK_SET ))   {
1187
1188                         for (i=0;i<game_fileinfo.doors_howmany;i++) {
1189
1190                                 if (game_top_fileinfo.fileinfo_version >= 20) {
1191
1192                                         Assert(sizeof(ActiveDoors[i]) == game_fileinfo.doors_sizeof);
1193
1194 // code to read doors for mac -- assume version 20 and greater for doors
1195 #ifndef MACINTOSH
1196                                         if (cfread(&ActiveDoors[i], game_fileinfo.doors_sizeof,1,LoadFile)!=1)
1197                                                 Error( "Error reading ActiveDoors[%d] in gamesave.c", i);
1198 #else
1199                                         ActiveDoors[i].n_parts = read_int(LoadFile);
1200                                         ActiveDoors[i].front_wallnum[0] = read_short(LoadFile);
1201                                         ActiveDoors[i].front_wallnum[1] = read_short(LoadFile);
1202                                         ActiveDoors[i].back_wallnum[0] = read_short(LoadFile);
1203                                         ActiveDoors[i].back_wallnum[1] = read_short(LoadFile);
1204                                         ActiveDoors[i].time = read_fix(LoadFile);
1205 #endif
1206                                 }
1207                                 else {
1208                                         v19_door d;
1209                                         int p;
1210
1211                                         Assert(sizeof(d) == game_fileinfo.doors_sizeof);
1212
1213                                         if (cfread(&d, game_fileinfo.doors_sizeof, 1,LoadFile)!=1)
1214                                                 Error( "Error reading Doors[%d] in gamesave.c", i);
1215
1216                                         ActiveDoors[i].n_parts = d.n_parts;
1217
1218                                         for (p=0;p<d.n_parts;p++) {
1219                                                 int cseg,cside;
1220
1221                                                 cseg = Segments[d.seg[p]].children[d.side[p]];
1222                                                 cside = find_connect_side(&Segments[d.seg[p]],&Segments[cseg]);
1223
1224                                                 ActiveDoors[i].front_wallnum[p] = Segments[d.seg[p]].sides[d.side[p]].wall_num;
1225                                                 ActiveDoors[i].back_wallnum[p] = Segments[cseg].sides[cside].wall_num;
1226                                         }
1227                                 }
1228
1229                         }
1230                 }
1231         }
1232
1233         //==================== READ TRIGGER INFO ==========================
1234
1235
1236 // for MACINTOSH -- assume all triggers >= verion 31 triggers.
1237
1238         if (game_fileinfo.triggers_offset > -1)
1239         {
1240                 if (!cfseek( LoadFile, game_fileinfo.triggers_offset,SEEK_SET ))        {
1241                         for (i=0;i<game_fileinfo.triggers_howmany;i++)
1242                                 if (game_top_fileinfo.fileinfo_version < 31) {
1243                                         v30_trigger trig;
1244                                         int t,type;
1245
1246                                         if (game_top_fileinfo.fileinfo_version < 30) {
1247                                                 v29_trigger trig29;
1248                                                 int t;
1249
1250                                                 if (cfread(&trig29, game_fileinfo.triggers_sizeof,1,LoadFile)!=1)
1251                                                         Error( "Error reading Triggers[%d] in gamesave.c", i);
1252
1253                                                 trig.flags              = trig29.flags;
1254                                                 trig.num_links  = trig29.num_links;
1255                                                 trig.num_links  = trig29.num_links;
1256                                                 trig.value              = trig29.value;
1257                                                 trig.time               = trig29.time;
1258
1259                                                 for (t=0;t<trig.num_links;t++) {
1260                                                         trig.seg[t]  = trig29.seg[t];
1261                                                         trig.side[t] = trig29.side[t];
1262                                                 }
1263                                         }
1264                                         else
1265                                                 if (cfread(&trig, game_fileinfo.triggers_sizeof,1,LoadFile)!=1)
1266                                                         Error( "Error reading Triggers[%d] in gamesave.c", i);
1267
1268                                         //Assert(trig.flags & TRIGGER_ON);
1269                                         trig.flags &= ~TRIGGER_ON;
1270
1271                                         if (trig.flags & TRIGGER_CONTROL_DOORS)
1272                                                 type = TT_OPEN_DOOR;
1273                                         else if (trig.flags & TRIGGER_SHIELD_DAMAGE)
1274                                                 Int3();
1275                                         else if (trig.flags & TRIGGER_ENERGY_DRAIN)
1276                                                 Int3();
1277                                         else if (trig.flags & TRIGGER_EXIT)
1278                                                 type = TT_EXIT;
1279                                         else if (trig.flags & TRIGGER_ONE_SHOT)
1280                                                 Int3();
1281                                         else if (trig.flags & TRIGGER_MATCEN)
1282                                                 type = TT_MATCEN;
1283                                         else if (trig.flags & TRIGGER_ILLUSION_OFF)
1284                                                 type = TT_ILLUSION_OFF;
1285                                         else if (trig.flags & TRIGGER_SECRET_EXIT)
1286                                                 type = TT_SECRET_EXIT;
1287                                         else if (trig.flags & TRIGGER_ILLUSION_ON)
1288                                                 type = TT_ILLUSION_ON;
1289                                         else if (trig.flags & TRIGGER_UNLOCK_DOORS)
1290                                                 type = TT_UNLOCK_DOOR;
1291                                         else if (trig.flags & TRIGGER_OPEN_WALL)
1292                                                 type = TT_OPEN_WALL;
1293                                         else if (trig.flags & TRIGGER_CLOSE_WALL)
1294                                                 type = TT_CLOSE_WALL;
1295                                         else if (trig.flags & TRIGGER_ILLUSORY_WALL)
1296                                                 type = TT_ILLUSORY_WALL;
1297                                         else
1298                                                 Int3();
1299
1300                                         Triggers[i].type                        = type;
1301                                         Triggers[i].flags                       = 0;
1302                                         Triggers[i].num_links   = trig.num_links;
1303                                         Triggers[i].num_links   = trig.num_links;
1304                                         Triggers[i].value                       = trig.value;
1305                                         Triggers[i].time                        = trig.time;
1306
1307                                         for (t=0;t<trig.num_links;t++) {
1308                                                 Triggers[i].seg[t] = trig.seg[t];
1309                                                 Triggers[i].side[t] = trig.side[t];
1310                                         }
1311                                 }
1312                                 else {
1313 #ifndef MACINTOSH
1314                                         if (cfread(&Triggers[i], game_fileinfo.triggers_sizeof,1,LoadFile)!=1)
1315                                                 Error( "Error reading Triggers[%d] in gamesave.c", i);
1316 #else
1317                                         Triggers[i].type = read_byte(LoadFile);
1318                                         Triggers[i].flags = read_byte(LoadFile);
1319                                         Triggers[i].num_links = read_byte(LoadFile);
1320                                         Triggers[i].pad = read_byte(LoadFile);
1321                                         Triggers[i].value = read_fix(LoadFile);
1322                                         Triggers[i].time = read_fix(LoadFile);
1323                                         for (j=0; j<MAX_WALLS_PER_LINK; j++ )
1324                                                 Triggers[i].seg[j] = read_short(LoadFile);
1325                                         for (j=0; j<MAX_WALLS_PER_LINK; j++ )
1326                                                 Triggers[i].side[j] = read_short(LoadFile);
1327 #endif
1328                                 }
1329                 }
1330         }
1331
1332         //================ READ CONTROL CENTER TRIGGER INFO ===============
1333
1334         if (game_fileinfo.control_offset > -1)
1335         {
1336                 if (!cfseek( LoadFile, game_fileinfo.control_offset,SEEK_SET )) {
1337                         for (i=0;i<game_fileinfo.control_howmany;i++)
1338 #ifndef MACINTOSH
1339                                 if (cfread(&ControlCenterTriggers, game_fileinfo.control_sizeof,1,LoadFile)!=1)
1340                                         Error( "Error reading ControlCenterTriggers in gamesave.c");
1341 #else
1342                                 ControlCenterTriggers.num_links = read_short(LoadFile);
1343                                 for (j=0; j<MAX_CONTROLCEN_LINKS; j++ )
1344                                         ControlCenterTriggers.seg[j] = read_short( LoadFile );
1345                                 for (j=0; j<MAX_CONTROLCEN_LINKS; j++ )
1346                                         ControlCenterTriggers.side[j] = read_short( LoadFile );
1347 #endif
1348                 }
1349         }
1350
1351
1352         //================ READ MATERIALOGRIFIZATIONATORS INFO ===============
1353
1354         if (game_fileinfo.matcen_offset > -1)
1355         {       int     j;
1356
1357                 if (!cfseek( LoadFile, game_fileinfo.matcen_offset,SEEK_SET ))  {
1358                         // mprintf((0, "Reading %i materialization centers.\n", game_fileinfo.matcen_howmany));
1359                         for (i=0;i<game_fileinfo.matcen_howmany;i++) {
1360                                 if (game_top_fileinfo.fileinfo_version < 27) {
1361                                         old_matcen_info m;
1362                                         Assert(game_fileinfo.matcen_sizeof == sizeof(m));
1363                                         if (cfread(&m, game_fileinfo.matcen_sizeof,1,LoadFile)!=1)
1364                                                 Error( "Error reading RobotCenters in gamesave.c");
1365                                         RobotCenters[i].robot_flags[0] = m.robot_flags;
1366                                         RobotCenters[i].robot_flags[1] = 0;
1367                                         RobotCenters[i].hit_points = m.hit_points;
1368                                         RobotCenters[i].interval = m.interval;
1369                                         RobotCenters[i].segnum = m.segnum;
1370                                         RobotCenters[i].fuelcen_num = m.fuelcen_num;
1371                                 }
1372                                 else {
1373                                         Assert(game_fileinfo.matcen_sizeof == sizeof(RobotCenters[i]));
1374 #ifndef MACINTOSH
1375                                         if (cfread(&RobotCenters[i], game_fileinfo.matcen_sizeof,1,LoadFile)!=1)
1376                                                 Error( "Error reading RobotCenters in gamesave.c");
1377 #else
1378                                         RobotCenters[i].robot_flags[0] = read_int(LoadFile);
1379                                         RobotCenters[i].robot_flags[1] = read_int(LoadFile);
1380                                         RobotCenters[i].hit_points = read_fix(LoadFile);
1381                                         RobotCenters[i].interval = read_fix(LoadFile);
1382                                         RobotCenters[i].segnum = read_short(LoadFile);
1383                                         RobotCenters[i].fuelcen_num = read_short(LoadFile);
1384 #endif
1385                                 }
1386
1387                                 //      Set links in RobotCenters to Station array
1388
1389                                 for (j=0; j<=Highest_segment_index; j++)
1390                                         if (Segment2s[j].special == SEGMENT_IS_ROBOTMAKER)
1391                                                 if (Segment2s[j].matcen_num == i)
1392                                                         RobotCenters[i].fuelcen_num = Segment2s[j].value;
1393
1394                                 // mprintf((0, "   %i: flags = %08x\n", i, RobotCenters[i].robot_flags));
1395                         }
1396                 }
1397         }
1398
1399
1400         //================ READ DL_INDICES INFO ===============
1401
1402         Num_static_lights = 0;
1403
1404         if (game_fileinfo.dl_indices_offset > -1) {
1405                 int     i;
1406
1407                 if (!cfseek( LoadFile, game_fileinfo.dl_indices_offset, SEEK_SET ))     {
1408                         Num_static_lights = game_fileinfo.dl_indices_howmany;
1409                         for (i=0; i<game_fileinfo.dl_indices_howmany; i++) {
1410                                 if (game_top_fileinfo.fileinfo_version < 29) {
1411                                         mprintf((0, "Warning: Old mine version.  Not reading Dl_indices info.\n"));
1412                                         Int3(); //shouldn't be here!!!
1413                                 } else {
1414 #ifndef MACINTOSH
1415                                         if (cfread(&Dl_indices[i], game_fileinfo.dl_indices_sizeof, 1, LoadFile) != 1)
1416                                                 Error( "Error reading Dl_indices in gamesave.c");
1417 #else
1418                                         Dl_indices[i].segnum = read_short(LoadFile);
1419                                         Dl_indices[i].sidenum = read_byte(LoadFile);
1420                                         Dl_indices[i].count = read_byte(LoadFile);
1421                                         Dl_indices[i].index = read_short(LoadFile);
1422 #endif
1423                                 }
1424
1425                         }
1426                 }
1427         }
1428
1429         //      Indicate that no light has been subtracted from any vertices.
1430         clear_light_subtracted();
1431
1432         //================ READ DELTA LIGHT INFO ===============
1433
1434         if (game_fileinfo.delta_light_offset > -1) {
1435                 int     i;
1436
1437                 if (!cfseek( LoadFile, game_fileinfo.delta_light_offset, SEEK_SET ))    {
1438                         for (i=0; i<game_fileinfo.delta_light_howmany; i++) {
1439                                 if (game_top_fileinfo.fileinfo_version < 29) {
1440                                         mprintf((0, "Warning: Old mine version.  Not reading delta light info.\n"));
1441                                 } else {
1442 #ifndef MACINTOSH
1443                                         if (cfread(&Delta_lights[i], game_fileinfo.delta_light_sizeof, 1, LoadFile) != 1)
1444                                                 Error( "Error reading Delta Lights in gamesave.c");
1445 #else
1446                                         Delta_lights[i].segnum = read_short(LoadFile);
1447                                         Delta_lights[i].sidenum = read_byte(LoadFile);
1448                                         Delta_lights[i].dummy = read_byte(LoadFile);
1449                                         Delta_lights[i].vert_light[0] = read_byte(LoadFile);
1450                                         Delta_lights[i].vert_light[1] = read_byte(LoadFile);
1451                                         Delta_lights[i].vert_light[2] = read_byte(LoadFile);
1452                                         Delta_lights[i].vert_light[3] = read_byte(LoadFile);
1453 #endif
1454                                 }
1455
1456                         }
1457                 }
1458         }
1459
1460         //========================= UPDATE VARIABLES ======================
1461
1462         reset_objects(game_fileinfo.object_howmany);
1463
1464         for (i=0; i<MAX_OBJECTS; i++) {
1465                 Objects[i].next = Objects[i].prev = -1;
1466                 if (Objects[i].type != OBJ_NONE) {
1467                         int objsegnum = Objects[i].segnum;
1468
1469                         if (objsegnum > Highest_segment_index)          //bogus object
1470                                 Objects[i].type = OBJ_NONE;
1471                         else {
1472                                 Objects[i].segnum = -1;                 //avoid Assert()
1473                                 obj_link(i,objsegnum);
1474                         }
1475                 }
1476         }
1477
1478         clear_transient_objects(1);             //1 means clear proximity bombs
1479
1480         // Make sure non-transparent doors are set correctly.
1481         for (i=0; i< Num_segments; i++)
1482                 for (j=0;j<MAX_SIDES_PER_SEGMENT;j++) {
1483                         side    *sidep = &Segments[i].sides[j];
1484                         if ((sidep->wall_num != -1) && (Walls[sidep->wall_num].clip_num != -1)) {
1485                                 //mprintf((0, "Checking Wall %d\n", Segments[i].sides[j].wall_num));
1486                                 if (WallAnims[Walls[sidep->wall_num].clip_num].flags & WCF_TMAP1) {
1487                                         //mprintf((0, "Fixing non-transparent door.\n"));
1488                                         sidep->tmap_num = WallAnims[Walls[sidep->wall_num].clip_num].frames[0];
1489                                         sidep->tmap_num2 = 0;
1490                                 }
1491                         }
1492                 }
1493
1494
1495         Num_walls = game_fileinfo.walls_howmany;
1496         reset_walls();
1497
1498         Num_open_doors = game_fileinfo.doors_howmany;
1499         Num_triggers = game_fileinfo.triggers_howmany;
1500
1501         //go through all walls, killing references to invalid triggers
1502         for (i=0;i<Num_walls;i++)
1503                 if (Walls[i].trigger >= Num_triggers) {
1504                         mprintf((0,"Removing reference to invalid trigger %d from wall %d\n",Walls[i].trigger,i));
1505                         Walls[i].trigger = -1;  //kill trigger
1506                 }
1507
1508         //go through all triggers, killing unused ones
1509         for (i=0;i<Num_triggers;) {
1510                 int w;
1511
1512                 //      Find which wall this trigger is connected to.
1513                 for (w=0; w<Num_walls; w++)
1514                         if (Walls[w].trigger == i)
1515                                 break;
1516
1517         #ifdef EDITOR
1518                 if (w == Num_walls) {
1519                         mprintf((0,"Removing unreferenced trigger %d\n",i));
1520                         remove_trigger_num(i);
1521                 }
1522                 else
1523         #endif
1524                         i++;
1525         }
1526
1527         //      MK, 10/17/95: Make walls point back at the triggers that control them.
1528         //      Go through all triggers, stuffing controlling_trigger field in Walls.
1529         {       int t;
1530
1531         for (i=0; i<Num_walls; i++)
1532                 Walls[i].controlling_trigger = -1;
1533
1534         for (t=0; t<Num_triggers; t++) {
1535                 int     l;
1536                 for (l=0; l<Triggers[t].num_links; l++) {
1537                         int     seg_num, side_num, wall_num;
1538
1539                         seg_num = Triggers[t].seg[l];
1540                         side_num = Triggers[t].side[l];
1541                         wall_num = Segments[seg_num].sides[side_num].wall_num;
1542
1543                         // -- if (Walls[wall_num].controlling_trigger != -1)
1544                         // --   Int3();
1545
1546                         //check to see that if a trigger requires a wall that it has one,
1547                         //and if it requires a matcen that it has one
1548
1549                         if (Triggers[t].type == TT_MATCEN) {
1550                                 if (Segment2s[seg_num].special != SEGMENT_IS_ROBOTMAKER)
1551                                         Int3();         //matcen trigger doesn't point to matcen
1552                         }
1553                         else if (Triggers[t].type != TT_LIGHT_OFF && Triggers[t].type != TT_LIGHT_ON) { //light triggers don't require walls
1554                                 if (wall_num == -1)
1555                                         Int3(); //      This is illegal.  This trigger requires a wall
1556                                 else
1557                                         Walls[wall_num].controlling_trigger = t;
1558                         }
1559                 }
1560         }
1561         }
1562
1563         Num_robot_centers = game_fileinfo.matcen_howmany;
1564
1565         //fix old wall structs
1566         if (game_top_fileinfo.fileinfo_version < 17) {
1567                 int segnum,sidenum,wallnum;
1568
1569                 for (segnum=0; segnum<=Highest_segment_index; segnum++)
1570                         for (sidenum=0;sidenum<6;sidenum++)
1571                                 if ((wallnum=Segments[segnum].sides[sidenum].wall_num) != -1) {
1572                                         Walls[wallnum].segnum = segnum;
1573                                         Walls[wallnum].sidenum = sidenum;
1574                                 }
1575         }
1576
1577         #ifndef NDEBUG
1578         {
1579                 int     sidenum;
1580                 for (sidenum=0; sidenum<6; sidenum++) {
1581                         int     wallnum = Segments[Highest_segment_index].sides[sidenum].wall_num;
1582                         if (wallnum != -1)
1583                                 if ((Walls[wallnum].segnum != Highest_segment_index) || (Walls[wallnum].sidenum != sidenum))
1584                                         Int3(); //      Error.  Bogus walls in this segment.
1585                                                                 // Consult Yuan or Mike.
1586                 }
1587         }
1588         #endif
1589
1590         //create_local_segment_data();
1591
1592         fix_object_segs();
1593
1594         #ifndef NDEBUG
1595         dump_mine_info();
1596         #endif
1597
1598         if (game_top_fileinfo.fileinfo_version < GAME_VERSION && !(game_top_fileinfo.fileinfo_version==25 && GAME_VERSION==26))
1599                 return 1;               //means old version
1600         else
1601                 return 0;
1602 }
1603
1604
1605 int check_segment_connections(void);
1606
1607 extern void     set_ambient_sound_flags(void);
1608
1609 // -----------------------------------------------------------------------------
1610 //loads from an already-open file
1611 // returns 0=everything ok, 1=old version, -1=error
1612 int load_mine_data(CFILE *LoadFile);
1613 int load_mine_data_compiled(CFILE *LoadFile);
1614
1615 #define LEVEL_FILE_VERSION              8
1616 //1 -> 2  add palette name
1617 //2 -> 3  add control center explosion time
1618 //3 -> 4  add reactor strength
1619 //4 -> 5  killed hostage text stuff
1620 //5 -> 6  added Secret_return_segment and Secret_return_orient
1621 //6 -> 7         added flickering lights
1622 //7 -> 8  made version 8 to be not compatible with D2 1.0 & 1.1
1623
1624 #ifndef RELEASE
1625 char *Level_being_loaded=NULL;
1626 #endif
1627
1628 #ifdef COMPACT_SEGS
1629 extern void ncache_flush();
1630 #endif
1631
1632 extern int HoardEquipped();
1633
1634 extern  int     Slide_segs_computed;
1635
1636 int no_old_level_file_error=0;
1637
1638 //loads a level (.LVL) file from disk
1639 //returns 0 if success, else error code
1640 int load_level(char * filename_passed)
1641 {
1642         #ifdef EDITOR
1643         int use_compiled_level=1;
1644         #endif
1645         CFILE * LoadFile;
1646         char filename[128];
1647         int version,minedata_offset,gamedata_offset;
1648         int mine_err,game_err,i;
1649         char sig[4];
1650
1651         Slide_segs_computed = 0;
1652
1653 #ifdef NETWORK
1654    if (Game_mode & GM_NETWORK)
1655          {
1656           for (i=0;i<MAX_POWERUP_TYPES;i++)
1657                 {
1658                         MaxPowerupsAllowed[i]=0;
1659                         PowerupsInMine[i]=0;
1660                 }
1661          }
1662 #endif
1663
1664         #ifdef COMPACT_SEGS
1665         ncache_flush();
1666         #endif
1667
1668         #ifndef RELEASE
1669         Level_being_loaded = filename_passed;
1670         #endif
1671
1672         strcpy(filename,filename_passed);
1673         strupr(filename);
1674
1675         #ifdef EDITOR
1676                 //if we have the editor, try the LVL first, no matter what was passed.
1677                 //if we don't have an LVL, try RDL
1678                 //if we don't have the editor, we just use what was passed
1679
1680                 change_filename_extension(filename,filename_passed,".LVL");
1681                 use_compiled_level = 0;
1682
1683                 if (!cfexist(filename)) {
1684                         change_filename_extension(filename,filename,".RL2");
1685                         use_compiled_level = 1;
1686                 }
1687         #endif
1688
1689         LoadFile = cfopen( filename, "rb" );
1690
1691         if (!LoadFile)  {
1692                 #ifdef EDITOR
1693                         mprintf((0,"Can't open level file <%s>\n", filename));
1694                         return 1;
1695                 #else
1696                         Error("Can't open file <%s>\n",filename);
1697                 #endif
1698         }
1699
1700         strcpy( Gamesave_current_filename, filename );
1701
1702 //      #ifdef NEWDEMO
1703 //      if ( Newdemo_state == ND_STATE_RECORDING )
1704 //              newdemo_record_start_demo();
1705 //      #endif
1706
1707         cfread(sig, 1, 4, LoadFile);
1708         version                         = read_int(LoadFile);
1709         minedata_offset         = read_int(LoadFile);
1710         gamedata_offset         = read_int(LoadFile);
1711
1712         Assert((sig[0] == 'L') && (sig[1] == 'V') && (sig[2]=='L') && (sig[3] == 'P'));
1713
1714         if (version >= 8) {                     //read dummy data
1715 #ifdef NETWORK
1716                 if (HoardEquipped())
1717                 {
1718                         read_int(LoadFile);
1719                         read_short(LoadFile);
1720                         read_byte(LoadFile);
1721                 }
1722                 else
1723 #endif
1724                         // NOTE LINK TO ABOVE!
1725                         Error("This level requires the Vertigo Enhanced version of D2.");
1726
1727         }
1728
1729         if (version < 5)
1730                 read_int(LoadFile);             //was hostagetext_offset
1731
1732         if (version > 1) {
1733                 cfgets(Current_level_palette,sizeof(Current_level_palette),LoadFile);
1734                 if (Current_level_palette[strlen(Current_level_palette)-1] == '\n')
1735                         Current_level_palette[strlen(Current_level_palette)-1] = 0;
1736         }
1737
1738         if (version >= 3)
1739                 Base_control_center_explosion_time = read_int(LoadFile);
1740         else
1741                 Base_control_center_explosion_time = DEFAULT_CONTROL_CENTER_EXPLOSION_TIME;
1742
1743         if (version >= 4)
1744                 Reactor_strength = read_int(LoadFile);
1745         else
1746                 Reactor_strength = -1;  //use old defaults
1747
1748         if (version >= 7) {
1749                 Num_flickering_lights = read_int(LoadFile);
1750                 #ifdef MACINTOSH
1751                         Assert((Num_flickering_lights >= 0) && (Num_flickering_lights < MAX_FLICKERING_LIGHTS));
1752                         for (i = 0; i < Num_flickering_lights; i++)
1753                         {
1754                                 Flickering_lights[i].segnum     = read_short(LoadFile);
1755                                 Flickering_lights[i].sidenum    = read_short(LoadFile);
1756                                 Flickering_lights[i].mask               = read_int(LoadFile);
1757                                 Flickering_lights[i].timer              = read_fix(LoadFile);
1758                                 Flickering_lights[i].delay              = read_fix(LoadFile);
1759                         }
1760                 #else
1761                         cfread(Flickering_lights,sizeof(*Flickering_lights),Num_flickering_lights,LoadFile);
1762                 #endif
1763         }
1764         else
1765                 Num_flickering_lights = 0;
1766
1767         if (version <= 1 || Current_level_palette[0]==0)
1768                 strcpy(Current_level_palette,"groupa.256");
1769
1770         if (version < 6) {
1771                 Secret_return_segment = 0;
1772                 Secret_return_orient.rvec.x = F1_0;     Secret_return_orient.rvec.y = 0;                        Secret_return_orient.rvec.z = 0;
1773                 Secret_return_orient.fvec.x =    0;     Secret_return_orient.fvec.y = F1_0;             Secret_return_orient.fvec.z = 0;
1774                 Secret_return_orient.uvec.x =    0;     Secret_return_orient.uvec.y = 0;                        Secret_return_orient.uvec.z = F1_0;
1775         } else {
1776                 Secret_return_segment = read_int(LoadFile);
1777                 Secret_return_orient.rvec.x = read_int(LoadFile);
1778                 Secret_return_orient.rvec.y = read_int(LoadFile);
1779                 Secret_return_orient.rvec.z = read_int(LoadFile);
1780                 Secret_return_orient.fvec.x = read_int(LoadFile);
1781                 Secret_return_orient.fvec.y = read_int(LoadFile);
1782                 Secret_return_orient.fvec.z = read_int(LoadFile);
1783                 Secret_return_orient.uvec.x = read_int(LoadFile);
1784                 Secret_return_orient.uvec.y = read_int(LoadFile);
1785                 Secret_return_orient.uvec.z = read_int(LoadFile);
1786         }
1787
1788         cfseek(LoadFile,minedata_offset,SEEK_SET);
1789         #ifdef EDITOR
1790         if (!use_compiled_level) {
1791                 mine_err = load_mine_data(LoadFile);
1792                 //      Compress all uv coordinates in mine, improves texmap precision. --MK, 02/19/96
1793                 compress_uv_coordinates_all();
1794         } else
1795         #endif
1796                 //NOTE LINK TO ABOVE!!
1797                 mine_err = load_mine_data_compiled(LoadFile);
1798
1799         if (mine_err == -1) {   //error!!
1800                 cfclose(LoadFile);
1801                 return 2;
1802         }
1803
1804         cfseek(LoadFile,gamedata_offset,SEEK_SET);
1805         game_err = load_game_data(LoadFile);
1806
1807         if (game_err == -1) {   //error!!
1808                 cfclose(LoadFile);
1809                 return 3;
1810         }
1811
1812         //======================== CLOSE FILE =============================
1813
1814         cfclose( LoadFile );
1815
1816         set_ambient_sound_flags();
1817
1818         #ifdef EDITOR
1819         write_game_text_file(filename);
1820         if (Errors_in_mine) {
1821                 if (is_real_level(filename)) {
1822                         char  ErrorMessage[200];
1823
1824                         sprintf( ErrorMessage, "Warning: %i errors in %s!\n", Errors_in_mine, Level_being_loaded );
1825                         stop_time();
1826                         gr_palette_load(gr_palette);
1827                         nm_messagebox( NULL, 1, "Continue", ErrorMessage );
1828                         start_time();
1829                 } else
1830                         mprintf((1, "Error: %i errors in %s.\n", Errors_in_mine, Level_being_loaded));
1831         }
1832         #endif
1833
1834         #ifdef EDITOR
1835         //If an old version, ask the use if he wants to save as new version
1836         if (!no_old_level_file_error && (Function_mode == FMODE_EDITOR) && (((LEVEL_FILE_VERSION>3) && version<LEVEL_FILE_VERSION) || mine_err==1 || game_err==1)) {
1837                 char  ErrorMessage[200];
1838
1839                 sprintf( ErrorMessage,
1840                                         "You just loaded a old version\n"
1841                                         "level.  Would you like to save\n"
1842                                         "it as a current version level?");
1843
1844                 stop_time();
1845                 gr_palette_load(gr_palette);
1846                 if (nm_messagebox( NULL, 2, "Don't Save", "Save", ErrorMessage )==1)
1847                         save_level(filename);
1848                 start_time();
1849         }
1850         #endif
1851
1852         #ifdef EDITOR
1853         if (Function_mode == FMODE_EDITOR)
1854                 editor_status("Loaded NEW mine %s, \"%s\"",filename,Current_level_name);
1855         #endif
1856
1857         #ifdef EDITOR
1858         if (check_segment_connections())
1859                 nm_messagebox( "ERROR", 1, "Ok",
1860                                 "Connectivity errors detected in\n"
1861                                 "mine.  See monochrome screen for\n"
1862                                 "details, and contact Matt or Mike." );
1863         #endif
1864
1865         return 0;
1866 }
1867
1868 #ifdef EDITOR
1869 void get_level_name()
1870 {
1871 //NO_UI!!!      UI_WINDOW                               *NameWindow = NULL;
1872 //NO_UI!!!      UI_GADGET_INPUTBOX      *NameText;
1873 //NO_UI!!!      UI_GADGET_BUTTON                *QuitButton;
1874 //NO_UI!!!
1875 //NO_UI!!!      // Open a window with a quit button
1876 //NO_UI!!!      NameWindow = ui_open_window( 20, 20, 300, 110, WIN_DIALOG );
1877 //NO_UI!!!      QuitButton = ui_add_gadget_button( NameWindow, 150-24, 60, 48, 40, "Done", NULL );
1878 //NO_UI!!!
1879 //NO_UI!!!      ui_wprintf_at( NameWindow, 10, 12,"Please enter a name for this mine:" );
1880 //NO_UI!!!      NameText = ui_add_gadget_inputbox( NameWindow, 10, 30, LEVEL_NAME_LEN, LEVEL_NAME_LEN, Current_level_name );
1881 //NO_UI!!!
1882 //NO_UI!!!      NameWindow->keyboard_focus_gadget = (UI_GADGET *)NameText;
1883 //NO_UI!!!      QuitButton->hotkey = KEY_ENTER;
1884 //NO_UI!!!
1885 //NO_UI!!!      ui_gadget_calc_keys(NameWindow);
1886 //NO_UI!!!
1887 //NO_UI!!!      while (!QuitButton->pressed && last_keypress!=KEY_ENTER) {
1888 //NO_UI!!!              ui_mega_process();
1889 //NO_UI!!!              ui_window_do_gadgets(NameWindow);
1890 //NO_UI!!!      }
1891 //NO_UI!!!
1892 //NO_UI!!!      strcpy( Current_level_name, NameText->text );
1893 //NO_UI!!!
1894 //NO_UI!!!      if ( NameWindow!=NULL ) {
1895 //NO_UI!!!              ui_close_window( NameWindow );
1896 //NO_UI!!!              NameWindow = NULL;
1897 //NO_UI!!!      }
1898 //NO_UI!!!
1899
1900         newmenu_item m[2];
1901
1902         m[0].type = NM_TYPE_TEXT; m[0].text = "Please enter a name for this mine:";
1903         m[1].type = NM_TYPE_INPUT; m[1].text = Current_level_name; m[1].text_len = LEVEL_NAME_LEN;
1904
1905         newmenu_do( NULL, "Enter mine name", 2, m, NULL );
1906
1907 }
1908 #endif
1909
1910
1911 #ifdef EDITOR
1912
1913 int     Errors_in_mine;
1914
1915 // -----------------------------------------------------------------------------
1916 int compute_num_delta_light_records(void)
1917 {
1918         int     i;
1919         int     total = 0;
1920
1921         for (i=0; i<Num_static_lights; i++) {
1922                 total += Dl_indices[i].count;
1923         }
1924
1925         return total;
1926
1927 }
1928
1929 // -----------------------------------------------------------------------------
1930 // Save game
1931 int save_game_data(FILE * SaveFile)
1932 {
1933         int  player_offset, object_offset, walls_offset, doors_offset, triggers_offset, control_offset, matcen_offset; //, links_offset;
1934         int     dl_indices_offset, delta_light_offset;
1935         int start_offset,end_offset;
1936
1937         start_offset = ftell(SaveFile);
1938
1939         //===================== SAVE FILE INFO ========================
1940
1941         game_fileinfo.fileinfo_signature =      0x6705;
1942         game_fileinfo.fileinfo_version  =       GAME_VERSION;
1943         game_fileinfo.level                                     =  Current_level_num;
1944         game_fileinfo.fileinfo_sizeof           =       sizeof(game_fileinfo);
1945         game_fileinfo.player_offset             =       -1;
1946         game_fileinfo.player_sizeof             =       sizeof(player);
1947         game_fileinfo.object_offset             =       -1;
1948         game_fileinfo.object_howmany            =       Highest_object_index+1;
1949         game_fileinfo.object_sizeof             =       sizeof(object);
1950         game_fileinfo.walls_offset                      =       -1;
1951         game_fileinfo.walls_howmany             =       Num_walls;
1952         game_fileinfo.walls_sizeof                      =       sizeof(wall);
1953         game_fileinfo.doors_offset                      =       -1;
1954         game_fileinfo.doors_howmany             =       Num_open_doors;
1955         game_fileinfo.doors_sizeof                      =       sizeof(active_door);
1956         game_fileinfo.triggers_offset           =       -1;
1957         game_fileinfo.triggers_howmany  =       Num_triggers;
1958         game_fileinfo.triggers_sizeof           =       sizeof(trigger);
1959         game_fileinfo.control_offset            =       -1;
1960         game_fileinfo.control_howmany           =  1;
1961         game_fileinfo.control_sizeof            =  sizeof(control_center_triggers);
1962         game_fileinfo.matcen_offset             =       -1;
1963         game_fileinfo.matcen_howmany            =       Num_robot_centers;
1964         game_fileinfo.matcen_sizeof             =       sizeof(matcen_info);
1965
1966         game_fileinfo.dl_indices_offset         =       -1;
1967         game_fileinfo.dl_indices_howmany                =       Num_static_lights;
1968         game_fileinfo.dl_indices_sizeof         =       sizeof(dl_index);
1969
1970         game_fileinfo.delta_light_offset                =       -1;
1971         game_fileinfo.delta_light_howmany       =       compute_num_delta_light_records();
1972         game_fileinfo.delta_light_sizeof                =       sizeof(delta_light);
1973
1974         // Write the fileinfo
1975         fwrite( &game_fileinfo, sizeof(game_fileinfo), 1, SaveFile );
1976
1977         // Write the mine name
1978         fprintf(SaveFile,"%s\n",Current_level_name);
1979
1980         fwrite(&N_polygon_models,2,1,SaveFile);
1981         fwrite(Pof_names,N_polygon_models,sizeof(*Pof_names),SaveFile);
1982
1983         //==================== SAVE PLAYER INFO ===========================
1984
1985         player_offset = ftell(SaveFile);
1986         fwrite( &Players[Player_num], sizeof(player), 1, SaveFile );
1987
1988         //==================== SAVE OBJECT INFO ===========================
1989
1990         object_offset = ftell(SaveFile);
1991         //fwrite( &Objects, sizeof(object), game_fileinfo.object_howmany, SaveFile );
1992         {
1993                 int i;
1994                 for (i=0;i<game_fileinfo.object_howmany;i++)
1995                         write_object(&Objects[i],SaveFile);
1996         }
1997
1998         //==================== SAVE WALL INFO =============================
1999
2000         walls_offset = ftell(SaveFile);
2001         fwrite( Walls, sizeof(wall), game_fileinfo.walls_howmany, SaveFile );
2002
2003         //==================== SAVE DOOR INFO =============================
2004
2005         doors_offset = ftell(SaveFile);
2006         fwrite( ActiveDoors, sizeof(active_door), game_fileinfo.doors_howmany, SaveFile );
2007
2008         //==================== SAVE TRIGGER INFO =============================
2009
2010         triggers_offset = ftell(SaveFile);
2011         fwrite( Triggers, sizeof(trigger), game_fileinfo.triggers_howmany, SaveFile );
2012
2013         //================ SAVE CONTROL CENTER TRIGGER INFO ===============
2014
2015         control_offset = ftell(SaveFile);
2016         fwrite( &ControlCenterTriggers, sizeof(control_center_triggers), 1, SaveFile );
2017
2018
2019         //================ SAVE MATERIALIZATION CENTER TRIGGER INFO ===============
2020
2021         matcen_offset = ftell(SaveFile);
2022         // mprintf((0, "Writing %i materialization centers\n", game_fileinfo.matcen_howmany));
2023         // { int i;
2024         // for (i=0; i<game_fileinfo.matcen_howmany; i++)
2025         //      mprintf((0, "   %i: robot_flags = %08x\n", i, RobotCenters[i].robot_flags));
2026         // }
2027         fwrite( RobotCenters, sizeof(matcen_info), game_fileinfo.matcen_howmany, SaveFile );
2028
2029         //================ SAVE DELTA LIGHT INFO ===============
2030         dl_indices_offset = ftell(SaveFile);
2031         fwrite( Dl_indices, sizeof(dl_index), game_fileinfo.dl_indices_howmany, SaveFile );
2032
2033         delta_light_offset = ftell(SaveFile);
2034         fwrite( Delta_lights, sizeof(delta_light), game_fileinfo.delta_light_howmany, SaveFile );
2035
2036         //============= REWRITE FILE INFO, TO SAVE OFFSETS ===============
2037
2038         // Update the offset fields
2039         game_fileinfo.player_offset             =       player_offset;
2040         game_fileinfo.object_offset             =       object_offset;
2041         game_fileinfo.walls_offset                      =       walls_offset;
2042         game_fileinfo.doors_offset                      =       doors_offset;
2043         game_fileinfo.triggers_offset           =       triggers_offset;
2044         game_fileinfo.control_offset            =       control_offset;
2045         game_fileinfo.matcen_offset             =       matcen_offset;
2046         game_fileinfo.dl_indices_offset =       dl_indices_offset;
2047         game_fileinfo.delta_light_offset        =       delta_light_offset;
2048
2049
2050         end_offset = ftell(SaveFile);
2051
2052         // Write the fileinfo
2053         fseek(  SaveFile, start_offset, SEEK_SET );  // Move to TOF
2054         fwrite( &game_fileinfo, sizeof(game_fileinfo), 1, SaveFile );
2055
2056         // Go back to end of data
2057         fseek(SaveFile,end_offset,SEEK_SET);
2058
2059         return 0;
2060 }
2061
2062 int save_mine_data(FILE * SaveFile);
2063
2064 // -----------------------------------------------------------------------------
2065 // Save game
2066 int save_level_sub(char * filename, int compiled_version)
2067 {
2068         FILE * SaveFile;
2069         char temp_filename[128];
2070         int sig = 'PLVL',version=LEVEL_FILE_VERSION;
2071         int minedata_offset,gamedata_offset;
2072
2073         if ( !compiled_version )        {
2074                 write_game_text_file(filename);
2075
2076                 if (Errors_in_mine) {
2077                         if (is_real_level(filename)) {
2078                                 char  ErrorMessage[200];
2079
2080                                 sprintf( ErrorMessage, "Warning: %i errors in this mine!\n", Errors_in_mine );
2081                                 stop_time();
2082                                 gr_palette_load(gr_palette);
2083
2084                                 if (nm_messagebox( NULL, 2, "Cancel Save", "Save", ErrorMessage )!=1)   {
2085                                         start_time();
2086                                         return 1;
2087                                 }
2088                                 start_time();
2089                         } else
2090                                 mprintf((1, "Error: %i errors in this mine.  See the 'txm' file.\n", Errors_in_mine));
2091                 }
2092                 change_filename_extension(temp_filename,filename,".LVL");
2093         }
2094         else
2095         {
2096                 // macs are using the regular hog/rl2 files for shareware
2097                 #if defined(SHAREWARE) && !defined(MACINTOSH)
2098                         change_filename_extension(temp_filename,filename,".SL2");
2099                 #else
2100                         change_filename_extension(temp_filename,filename,".RL2");
2101                 #endif
2102         }
2103
2104         SaveFile = fopen( temp_filename, "wb" );
2105         if (!SaveFile)
2106         {
2107                 char ErrorMessage[256];
2108
2109                 char fname[20];
2110                 _splitpath( temp_filename, NULL, NULL, fname, NULL );
2111
2112                 sprintf( ErrorMessage, \
2113                         "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"
2114                         , temp_filename, fname );
2115                 stop_time();
2116                 gr_palette_load(gr_palette);
2117                 nm_messagebox( NULL, 1, "Ok", ErrorMessage );
2118                 start_time();
2119                 return 1;
2120         }
2121
2122         if (Current_level_name[0] == 0)
2123                 strcpy(Current_level_name,"Untitled");
2124
2125         clear_transient_objects(1);             //1 means clear proximity bombs
2126
2127         compress_objects();             //after this, Highest_object_index == num objects
2128
2129         //make sure player is in a segment
2130         if (update_object_seg(&Objects[Players[0].objnum]) == 0) {
2131                 if (ConsoleObject->segnum > Highest_segment_index)
2132                         ConsoleObject->segnum = 0;
2133                 compute_segment_center(&ConsoleObject->pos,&(Segments[ConsoleObject->segnum]));
2134         }
2135
2136         fix_object_segs();
2137
2138         //Write the header
2139
2140         gs_write_int(sig,SaveFile);
2141         gs_write_int(version,SaveFile);
2142
2143         //save placeholders
2144         gs_write_int(minedata_offset,SaveFile);
2145         gs_write_int(gamedata_offset,SaveFile);
2146
2147         //Now write the damn data
2148
2149         //write the version 8 data (to make file unreadable by 1.0 & 1.1)
2150         gs_write_int(GameTime,SaveFile);
2151         gs_write_short(FrameCount,SaveFile);
2152         gs_write_byte(FrameTime,SaveFile);
2153
2154         // Write the palette file name
2155         fprintf(SaveFile,"%s\n",Current_level_palette);
2156
2157         gs_write_int(Base_control_center_explosion_time,SaveFile);
2158         gs_write_int(Reactor_strength,SaveFile);
2159
2160         gs_write_int(Num_flickering_lights,SaveFile);
2161         fwrite(Flickering_lights,sizeof(*Flickering_lights),Num_flickering_lights,SaveFile);
2162
2163         gs_write_int(Secret_return_segment, SaveFile);
2164         gs_write_int(Secret_return_orient.rvec.x, SaveFile);
2165         gs_write_int(Secret_return_orient.rvec.y, SaveFile);
2166         gs_write_int(Secret_return_orient.rvec.z, SaveFile);
2167         gs_write_int(Secret_return_orient.fvec.x, SaveFile);
2168         gs_write_int(Secret_return_orient.fvec.y, SaveFile);
2169         gs_write_int(Secret_return_orient.fvec.z, SaveFile);
2170         gs_write_int(Secret_return_orient.uvec.x, SaveFile);
2171         gs_write_int(Secret_return_orient.uvec.y, SaveFile);
2172         gs_write_int(Secret_return_orient.uvec.z, SaveFile);
2173
2174         minedata_offset = ftell(SaveFile);
2175         if ( !compiled_version )
2176                 save_mine_data(SaveFile);
2177         else
2178                 save_mine_data_compiled(SaveFile);
2179         gamedata_offset = ftell(SaveFile);
2180         save_game_data(SaveFile);
2181
2182         fseek(SaveFile,sizeof(sig)+sizeof(version),SEEK_SET);
2183         gs_write_int(minedata_offset,SaveFile);
2184         gs_write_int(gamedata_offset,SaveFile);
2185
2186         //==================== CLOSE THE FILE =============================
2187         fclose(SaveFile);
2188
2189         if ( !compiled_version )        {
2190                 if (Function_mode == FMODE_EDITOR)
2191                         editor_status("Saved mine %s, \"%s\"",filename,Current_level_name);
2192         }
2193
2194         return 0;
2195
2196 }
2197
2198 extern void compress_uv_coordinates_all(void);
2199
2200 int save_level(char * filename)
2201 {
2202         int r1;
2203
2204         // Save normal version...
2205         r1 = save_level_sub(filename, 0);
2206
2207         // Save compiled version...
2208         save_level_sub(filename, 1);
2209
2210         return r1;
2211 }
2212
2213 #endif  //EDITOR
2214
2215 #ifndef NDEBUG
2216 void dump_mine_info(void)
2217 {
2218         int     segnum, sidenum;
2219         fix     min_u, max_u, min_v, max_v, min_l, max_l, max_sl;
2220
2221         min_u = F1_0*1000;
2222         min_v = min_u;
2223         min_l = min_u;
2224
2225         max_u = -min_u;
2226         max_v = max_u;
2227         max_l = max_u;
2228
2229         max_sl = 0;
2230
2231         for (segnum=0; segnum<=Highest_segment_index; segnum++) {
2232                 for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++) {
2233                         int     vertnum;
2234                         side    *sidep = &Segments[segnum].sides[sidenum];
2235
2236                         if (Segment2s[segnum].static_light > max_sl)
2237                                 max_sl = Segment2s[segnum].static_light;
2238
2239                         for (vertnum=0; vertnum<4; vertnum++) {
2240                                 if (sidep->uvls[vertnum].u < min_u)
2241                                         min_u = sidep->uvls[vertnum].u;
2242                                 else if (sidep->uvls[vertnum].u > max_u)
2243                                         max_u = sidep->uvls[vertnum].u;
2244
2245                                 if (sidep->uvls[vertnum].v < min_v)
2246                                         min_v = sidep->uvls[vertnum].v;
2247                                 else if (sidep->uvls[vertnum].v > max_v)
2248                                         max_v = sidep->uvls[vertnum].v;
2249
2250                                 if (sidep->uvls[vertnum].l < min_l)
2251                                         min_l = sidep->uvls[vertnum].l;
2252                                 else if (sidep->uvls[vertnum].l > max_l)
2253                                         max_l = sidep->uvls[vertnum].l;
2254                         }
2255
2256                 }
2257         }
2258
2259 //      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)));
2260 //      mprintf((0, "Static light maximum = %7.3f\n", f2fl(max_sl)));
2261 //      mprintf((0, "Number of walls: %i\n", Num_walls));
2262
2263 }
2264
2265 #endif
2266
2267 #ifdef EDITOR
2268
2269 //read in every level in mission and save out compiled version
2270 void save_all_compiled_levels(void)
2271 {
2272         do_load_save_levels(1);
2273 }
2274
2275 //read in every level in mission
2276 void load_all_levels(void)
2277 {
2278         do_load_save_levels(0);
2279 }
2280
2281
2282 void do_load_save_levels(int save)
2283 {
2284         int level_num;
2285
2286         if (! SafetyCheck())
2287                 return;
2288
2289         no_old_level_file_error=1;
2290
2291         for (level_num=1;level_num<=Last_level;level_num++) {
2292                 load_level(Level_names[level_num-1]);
2293                 load_palette(Current_level_palette,1,1);                //don't change screen
2294                 if (save)
2295                         save_level_sub(Level_names[level_num-1],1);
2296         }
2297
2298         for (level_num=-1;level_num>=Last_secret_level;level_num--) {
2299                 load_level(Secret_level_names[-level_num-1]);
2300                 load_palette(Current_level_palette,1,1);                //don't change screen
2301                 if (save)
2302                         save_level_sub(Secret_level_names[-level_num-1],1);
2303         }
2304
2305         no_old_level_file_error=0;
2306
2307 }
2308
2309 #endif
2310