main/gamemine.c

   1 /* $Id: gamemine.c,v 1.34 2005-06-22 09:21:52 chris Exp $ */
   2 /*
   3 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   4 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   5 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   6 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   7 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   8 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   9 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
  10 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  11 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  12 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  13 */
  14
  15 /*
  16  *
  17  * Functions for loading mines in the game
  18  *
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include <conf.h>
  23 #endif
  24
  25 #ifdef RCS
  26 static char rcsid[] = "$Id: gamemine.c,v 1.34 2005-06-22 09:21:52 chris Exp $";
  27 #endif
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <math.h>
  32 #include <string.h>
  33
  34 #include "pstypes.h"
  35 #include "mono.h"
  36
  37 #include "inferno.h"
  38 #include "segment.h"
  39 #include "textures.h"
  40 #include "wall.h"
  41 #include "object.h"
  42 #include "gamemine.h"
  43 #include "error.h"
  44 #include "gameseg.h"
  45 #include "switch.h"
  46
  47 #include "game.h"
  48 #include "newmenu.h"
  49
  50 #ifdef EDITOR
  51 #include "editor/editor.h"
  52 #endif
  53
  54 #include "cfile.h"
  55 #include "fuelcen.h"
  56
  57 #include "hash.h"
  58 #include "key.h"
  59 #include "piggy.h"
  60
  61 #include "byteswap.h"
  62 #include "gamesave.h"
  63
  64 #define REMOVE_EXT(s)  (*(strchr( (s), '.' ))='\0')
  65
  66 fix Level_shake_frequency = 0, Level_shake_duration = 0;
  67 int Secret_return_segment = 0;
  68 vms_matrix Secret_return_orient;
  69
  70 #ifdef EDITOR
  71 struct mtfi mine_top_fileinfo; // Should be same as first two fields below...
  72 struct mfi mine_fileinfo;
  73 struct mh mine_header;
  74 struct me mine_editor;
  75 #endif // EDITOR
  76
  77 typedef struct v16_segment {
  78         #ifdef EDITOR
  79         short   segnum;             // segment number, not sure what it means
  80         #endif
  81         side    sides[MAX_SIDES_PER_SEGMENT];       // 6 sides
  82         short   children[MAX_SIDES_PER_SEGMENT];    // indices of 6 children segments, front, left, top, right, bottom, back
  83         short   verts[MAX_VERTICES_PER_SEGMENT];    // vertex ids of 4 front and 4 back vertices
  84         #ifdef  EDITOR
  85         short   group;              // group number to which the segment belongs.
  86         #endif
  87         short   objects;            // pointer to objects in this segment
  88         ubyte   special;            // what type of center this is
  89         sbyte   matcen_num;         // which center segment is associated with.
  90         short   value;
  91         fix     static_light;       // average static light in segment
  92         #ifndef EDITOR
  93         short   pad;                // make structure longword aligned
  94         #endif
  95 } v16_segment;
  96
  97 #if 0
  98 struct mfi_v19 {
  99         ushort  fileinfo_signature;
 100         ushort  fileinfo_version;
 101         int     fileinfo_sizeof;
 102         int     header_offset;      // Stuff common to game & editor
 103         int     header_size;
 104         int     editor_offset;      // Editor specific stuff
 105         int     editor_size;
 106         int     segment_offset;
 107         int     segment_howmany;
 108         int     segment_sizeof;
 109         int     newseg_verts_offset;
 110         int     newseg_verts_howmany;
 111         int     newseg_verts_sizeof;
 112         int     group_offset;
 113         int     group_howmany;
 114         int     group_sizeof;
 115         int     vertex_offset;
 116         int     vertex_howmany;
 117         int     vertex_sizeof;
 118         int     texture_offset;
 119         int     texture_howmany;
 120         int     texture_sizeof;
 121         int     walls_offset;
 122         int     walls_howmany;
 123         int     walls_sizeof;
 124         int     triggers_offset;
 125         int     triggers_howmany;
 126         int     triggers_sizeof;
 127         int     links_offset;
 128         int     links_howmany;
 129         int     links_sizeof;
 130         int     object_offset;      // Object info
 131         int     object_howmany;
 132         int     object_sizeof;
 133         int     unused_offset;      // was: doors_offset
 134         int     unused_howmamy;     // was: doors_howmany
 135         int     unused_sizeof;      // was: doors_sizeof
 136         short   level_shake_frequency;  // Shakes every level_shake_frequency seconds
 137         short   level_shake_duration;   // for level_shake_duration seconds (on average, random).  In 16ths second.
 138         int     secret_return_segment;
 139         vms_matrix  secret_return_orient;
 140
 141         int     dl_indices_offset;
 142         int     dl_indices_howmany;
 143         int     dl_indices_sizeof;
 144
 145         int     delta_light_offset;
 146         int     delta_light_howmany;
 147         int     delta_light_sizeof;
 148
 149 };
 150 #endif // 0
 151
 152 int CreateDefaultNewSegment();
 153
 154 int New_file_format_load = 1; // "new file format" is everything newer than d1 shareware
 155
 156 int d1_pig_present = 0; // can descent.pig from descent 1 be loaded?
 157
 158 /* returns nonzero if d1_tmap_num references a texture which isn't available in d2. */
 159 int d1_tmap_num_unique(short d1_tmap_num) {
 160         switch (d1_tmap_num) {
 161         case   0: case   2: case   4: case   5: case   6: case   7: case   9:
 162         case  10: case  11: case  12: case  17: case  18:
 163         case  20: case  21: case  25: case  28:
 164         case  38: case  39: case  41: case  44: case  49:
 165         case  50: case  55: case  57: case  88:
 166         case 132: case 141: case 147:
 167         case 154: case 155: case 158: case 159:
 168         case 160: case 161: case 167: case 168: case 169:
 169         case 170: case 171: case 174: case 175: case 185:
 170         case 193: case 194: case 195: case 198: case 199:
 171         case 200: case 202: case 210: case 211:
 172         case 220: case 226: case 227: case 228: case 229: case 230:
 173         case 240: case 241: case 242: case 243: case 246:
 174         case 250: case 251: case 252: case 253: case 257: case 258: case 259:
 175         case 260: case 263: case 266: case 283: case 298:
 176         case 315: case 317: case 319: case 320: case 321:
 177         case 330: case 331: case 332: case 333: case 349:
 178         case 351: case 352: case 353: case 354:
 179         case 355: case 357: case 358: case 359:
 180         case 362: case 370: return 1;
 181         default: return 0;
 182         }
 183 }
 184
 185 /* Converts descent 1 texture numbers to descent 2 texture numbers.
 186  * Textures from d1 which are unique to d1 have extra spaces around "return".
 187  * If we can load the original d1 pig, we make sure this function is bijective.
 188  * This function was updated using the file config/convtabl.ini from devil 2.2.
 189  */
 190 short convert_d1_tmap_num(short d1_tmap_num) {
 191         switch (d1_tmap_num) {
 192         case 0: case 2: case 4: case 5:
 193                 // all refer to grey rock001 (exception to bijectivity rule)
 194                 return  d1_pig_present ? 137 : 43; // (devil:95)
 195         case   1: return 0;
 196         case   3: return 1; // rock021
 197         case   6:  return  270; // blue rock002
 198         case   7:  return  271; // yellow rock265
 199         case   8: return 2; // rock004
 200         case   9:  return  d1_pig_present ? 138 : 62; // purple (devil:179)
 201         case  10:  return  272; // red rock006
 202         case  11:  return  d1_pig_present ? 139 : 117;
 203         case  12:  return  d1_pig_present ? 140 : 12; //devil:43
 204         case  13: return 3; // rock014
 205         case  14: return 4; // rock019
 206         case  15: return 5; // rock020
 207         case  16: return 6;
 208         case  17:  return  d1_pig_present ? 141 : 52;
 209         case  18:  return  129;
 210         case  19: return 7;
 211         case  20:  return  d1_pig_present ? 142 : 22;
 212         case  21:  return  d1_pig_present ? 143 : 9;
 213         case  22: return 8;
 214         case  23: return 9;
 215         case  24: return 10;
 216         case  25:  return  d1_pig_present ? 144 : 12; //devil:35
 217         case  26: return 11;
 218         case  27: return 12;
 219         case  28:  return  d1_pig_present ? 145 : 11; //devil:43
 220         //range handled by default case, returns 13..21 (- 16)
 221         case  38:  return  163; //devil:27
 222         case  39:  return  147; //31
 223         case  40: return 22;
 224         case  41:  return  266;
 225         case  42: return 23;
 226         case  43: return 24;
 227         case  44:  return  136; //devil:135
 228         case  45: return 25;
 229         case  46: return 26;
 230         case  47: return 27;
 231         case  48: return 28;
 232         case  49:  return  d1_pig_present ? 146 : 43; //devil:60
 233         case  50:  return  131; //devil:138
 234         case  51: return 29;
 235         case  52: return 30;
 236         case  53: return 31;
 237         case  54: return 32;
 238         case  55:  return  165; //devil:193
 239         case  56: return 33;
 240         case  57:  return  132; //devil:119
 241         // range handled by default case, returns 34..63 (- 24)
 242         case  88:  return  197; //devil:15
 243         // range handled by default case, returns 64..106 (- 25)
 244         case 132:  return  167;
 245         // range handled by default case, returns 107..114 (- 26)
 246         case 141:  return  d1_pig_present ? 148 : 110; //devil:106
 247         case 142: return 115;
 248         case 143: return 116;
 249         case 144: return 117;
 250         case 145: return 118;
 251         case 146: return 119;
 252         case 147:  return  d1_pig_present ? 149 : 93;
 253         case 148: return 120;
 254         case 149: return 121;
 255         case 150: return 122;
 256         case 151: return 123;
 257         case 152: return 124;
 258         case 153: return 125; // rock263
 259         case 154:  return  d1_pig_present ? 150 : 27;
 260         case 155:  return  126; // rock269
 261         case 156: return 200; // metl002
 262         case 157: return 201; // metl003
 263         case 158:  return  186; //devil:227
 264         case 159:  return  190; //devil:246
 265         case 160:  return  d1_pig_present ? 151 : 206;
 266         case 161:  return  d1_pig_present ? 152 : 114; //devil:206
 267         case 162: return 202;
 268         case 163: return 203;
 269         case 164: return 204;
 270         case 165: return 205;
 271         case 166: return 206;
 272         case 167:  return  d1_pig_present ? 153 : 206;
 273         case 168:  return  d1_pig_present ? 154 : 206;
 274         case 169:  return  d1_pig_present ? 155 : 206;
 275         case 170:  return  d1_pig_present ? 156 : 227;//206;
 276         case 171:  return  d1_pig_present ? 157 : 206;//227;
 277         case 172: return 207;
 278         case 173: return 208;
 279         case 174:  return  d1_pig_present ? 158 : 202;
 280         case 175:  return  d1_pig_present ? 159 : 206;
 281         // range handled by default case, returns 209..217 (+ 33)
 282         case 185:  return  d1_pig_present ? 160 : 217;
 283         // range handled by default case, returns 218..224 (+ 32)
 284         case 193:  return  d1_pig_present ? 161 : 206;
 285         case 194:  return  d1_pig_present ? 162 : 203;//206;
 286         case 195:  return  d1_pig_present ? 166 : 234;
 287         case 196: return 225;
 288         case 197: return 226;
 289         case 198:  return  d1_pig_present ? 193 : 225;
 290         case 199:  return  d1_pig_present ? 168 : 206; //devil:204
 291         case 200:  return  d1_pig_present ? 169 : 206; //devil:204
 292         case 201: return 227;
 293         case 202:  return  d1_pig_present ? 170 : 206; //devil:227
 294         // range handled by default case, returns 228..234 (+ 25)
 295         case 210:  return  d1_pig_present ? 171 : 234; //devil:242
 296         case 211:  return  d1_pig_present ? 172 : 206; //devil:240
 297         // range handled by default case, returns 235..242 (+ 23)
 298         case 220:  return  d1_pig_present ? 173 : 242; //devil:240
 299         case 221: return 243;
 300         case 222: return 244;
 301         case 223:  return  d1_pig_present ? 174 : 313;
 302         case 224: return 245;
 303         case 225: return 246;
 304         case 226:  return  164;//247; matching names but not matching textures
 305         case 227:  return  179; //devil:181
 306         case 228:  return  196;//248; matching names but not matching textures
 307         case 229:  return  d1_pig_present ? 175 : 15; //devil:66
 308         case 230:  return  d1_pig_present ? 176 : 15; //devil:66
 309         // range handled by default case, returns 249..257 (+ 18)
 310         case 240:  return  d1_pig_present ? 177 : 6; //devil:132
 311         case 241:  return  130; //devil:131
 312         case 242:  return  d1_pig_present ? 178 : 78; //devil:15
 313         case 243:  return  d1_pig_present ? 180 : 33; //devil:38
 314         case 244: return 258;
 315         case 245: return 259;
 316         case 246:  return  d1_pig_present ? 181 : 321; // grate metl127
 317         case 247: return 260;
 318         case 248: return 261;
 319         case 249: return 262;
 320         case 250:  return  340; //  white doorframe metl126
 321         case 251:  return  412; //    red doorframe metl133
 322         case 252:  return  410; //   blue doorframe metl134
 323         case 253:  return  411; // yellow doorframe metl135
 324         case 254: return 263; // metl136
 325         case 255: return 264; // metl139
 326         case 256: return 265; // metl140
 327         case 257:  return  d1_pig_present ? 182 : 249;//246; brig001
 328         case 258:  return  d1_pig_present ? 183 : 251;//246; brig002
 329         case 259:  return  d1_pig_present ? 184 : 252;//246; brig003
 330         case 260:  return  d1_pig_present ? 185 : 256;//246; brig004
 331         case 261: return 273; // exit01
 332         case 262: return 274; // exit02
 333         case 263:  return  d1_pig_present ? 187 : 281; // ceil001
 334         case 264: return 275; // ceil002
 335         case 265: return 276; // ceil003
 336         case 266:  return  d1_pig_present ? 188 : 279; //devil:291
 337         // range handled by default case, returns 277..291 (+ 10)
 338         case 282: return 293;
 339         case 283:  return  d1_pig_present ? 189 : 295;
 340         case 284: return 295;
 341         case 285: return 296;
 342         case 286: return 298;
 343         // range handled by default case, returns 300..310 (+ 13)
 344         case 298:  return  d1_pig_present ? 191 : 364; // devil:374 misc010
 345         // range handled by default case, returns 311..326 (+ 12)
 346         case 315:  return  d1_pig_present ? 192 : 361; // bad producer misc044
 347         // range handled by default case,  returns  327..337 (+ 11)
 348         case 327: return 352; // arw01
 349         case 328: return 353; // misc17
 350         case 329: return 354; // fan01
 351         case 330:  return  380; // mntr04
 352         case 331:  return  379;//373; matching names but not matching textures
 353         case 332:  return  355;//344; matching names but not matching textures
 354         case 333:  return  409; // lava misc11 //devil:404
 355         case 334: return 356; // ctrl04
 356         case 335: return 357; // ctrl01
 357         case 336: return 358; // ctrl02
 358         case 337: return 359; // ctrl03
 359         case 338: return 360; // misc14
 360         case 339: return 361; // producer misc16
 361         case 340: return 362; // misc049
 362         case 341: return 364; // misc060
 363         case 342: return 363; // blown01
 364         case 343: return 366; // misc061
 365         case 344: return 365;
 366         case 345: return 368;
 367         case 346: return 376;
 368         case 347: return 370;
 369         case 348: return 367;
 370         case 349:  return  372;
 371         case 350: return 369;
 372         case 351:  return  374;//429; matching names but not matching textures
 373         case 352:  return  375;//387; matching names but not matching textures
 374         case 353:  return  371;
 375         case 354:  return  377;//425; matching names but not matching textures
 376         case 355:  return  408;
 377         case 356: return 378; // lava02
 378         case 357:  return  383;//384; matching names but not matching textures
 379         case 358:  return  384;//385; matching names but not matching textures
 380         case 359:  return  385;//386; matching names but not matching textures
 381         case 360: return 386;
 382         case 361: return 387;
 383         case 362:  return  d1_pig_present ? 194 : 388; // mntr04b (devil: -1)
 384         case 363: return 388;
 385         case 364: return 391;
 386         case 365: return 392;
 387         case 366: return 393;
 388         case 367: return 394;
 389         case 368: return 395;
 390         case 369: return 396;
 391         case 370:  return  d1_pig_present ? 195 : 392; // mntr04d (devil: -1)
 392         // range 371..584 handled by default case (wall01 and door frames)
 393         default:
 394                 // ranges:
 395                 if (d1_tmap_num >= 29 && d1_tmap_num <= 37)
 396                         return d1_tmap_num - 16;
 397                 if (d1_tmap_num >= 58 && d1_tmap_num <= 87)
 398                         return d1_tmap_num - 24;
 399                 if (d1_tmap_num >= 89 && d1_tmap_num <= 131)
 400                         return d1_tmap_num - 25;
 401                 if (d1_tmap_num >= 133 && d1_tmap_num <= 140)
 402                         return d1_tmap_num - 26;
 403                 if (d1_tmap_num >= 176 && d1_tmap_num <= 184)
 404                         return d1_tmap_num + 33;
 405                 if (d1_tmap_num >= 186 && d1_tmap_num <= 192)
 406                         return d1_tmap_num + 32;
 407                 if (d1_tmap_num >= 203 && d1_tmap_num <= 209)
 408                         return d1_tmap_num + 25;
 409                 if (d1_tmap_num >= 212 && d1_tmap_num <= 219)
 410                         return d1_tmap_num + 23;
 411                 if (d1_tmap_num >= 231 && d1_tmap_num <= 239)
 412                         return d1_tmap_num + 18;
 413                 if (d1_tmap_num >= 267 && d1_tmap_num <= 281)
 414                         return d1_tmap_num + 10;
 415                 if (d1_tmap_num >= 287 && d1_tmap_num <= 297)
 416                         return d1_tmap_num + 13;
 417                 if (d1_tmap_num >= 299 && d1_tmap_num <= 314)
 418                         return d1_tmap_num + 12;
 419                 if (d1_tmap_num >= 316 && d1_tmap_num <= 326)
 420                          return  d1_tmap_num + 11; // matching names but not matching textures
 421                 // wall01 and door frames:
 422                 if (d1_tmap_num > 370 && d1_tmap_num < 584) {
 423                         if (New_file_format_load) return d1_tmap_num + 64;
 424                         // d1 shareware needs special treatment:
 425                         if (d1_tmap_num < 410) return d1_tmap_num + 68;
 426                         if (d1_tmap_num < 417) return d1_tmap_num + 73;
 427                         if (d1_tmap_num < 446) return d1_tmap_num + 91;
 428                         if (d1_tmap_num < 453) return d1_tmap_num + 104;
 429                         if (d1_tmap_num < 462) return d1_tmap_num + 111;
 430                         if (d1_tmap_num < 486) return d1_tmap_num + 117;
 431                         if (d1_tmap_num < 494) return d1_tmap_num + 141;
 432                         if (d1_tmap_num < 584) return d1_tmap_num + 147;
 433                 }
 434                 { // handle rare case where orientation != 0
 435                         short tmap_num = d1_tmap_num &  TMAP_NUM_MASK;
 436                         short orient = d1_tmap_num & ~TMAP_NUM_MASK;
 437                         if (orient != 0) {
 438                                 return orient | convert_d1_tmap_num(tmap_num);
 439                         } else {
 440                                 Warning("can't convert unknown descent 1 texture #%d.\n", tmap_num);
 441                                 return d1_tmap_num;
 442                         }
 443                 }
 444         }
 445 }
 446
 447 #ifdef EDITOR
 448
 449 static char old_tmap_list[MAX_TEXTURES][FILENAME_LEN];
 450 short tmap_xlate_table[MAX_TEXTURES];
 451 static short tmap_times_used[MAX_TEXTURES];
 452
 453 // -----------------------------------------------------------------------------
 454 //loads from an already-open file
 455 // returns 0=everything ok, 1=old version, -1=error
 456 int load_mine_data(CFILE *LoadFile)
 457 {
 458         int   i, j,oldsizeadjust;
 459         short tmap_xlate;
 460         int     translate;
 461         char    *temptr;
 462         int     mine_start = cftell(LoadFile);
 463
 464         oldsizeadjust=(sizeof(int)*2)+sizeof (vms_matrix);
 465         fuelcen_reset();
 466
 467         for (i=0; i<MAX_TEXTURES; i++ )
 468                 tmap_times_used[i] = 0;
 469
 470         #ifdef EDITOR
 471         // Create a new mine to initialize things.
 472         //texpage_goto_first();
 473         create_new_mine();
 474         #endif
 475
 476         //===================== READ FILE INFO ========================
 477
 478         // These are the default values... version and fileinfo_sizeof
 479         // don't have defaults.
 480         mine_fileinfo.header_offset     =   -1;
 481         mine_fileinfo.header_size       =   sizeof(mine_header);
 482         mine_fileinfo.editor_offset     =   -1;
 483         mine_fileinfo.editor_size       =   sizeof(mine_editor);
 484         mine_fileinfo.vertex_offset     =   -1;
 485         mine_fileinfo.vertex_howmany    =   0;
 486         mine_fileinfo.vertex_sizeof     =   sizeof(vms_vector);
 487         mine_fileinfo.segment_offset    =   -1;
 488         mine_fileinfo.segment_howmany   =   0;
 489         mine_fileinfo.segment_sizeof    =   sizeof(segment);
 490         mine_fileinfo.newseg_verts_offset     =   -1;
 491         mine_fileinfo.newseg_verts_howmany    =   0;
 492         mine_fileinfo.newseg_verts_sizeof     =   sizeof(vms_vector);
 493         mine_fileinfo.group_offset                =     -1;
 494         mine_fileinfo.group_howmany       =     0;
 495         mine_fileinfo.group_sizeof                =     sizeof(group);
 496         mine_fileinfo.texture_offset    =   -1;
 497         mine_fileinfo.texture_howmany   =   0;
 498         mine_fileinfo.texture_sizeof    =   FILENAME_LEN;  // num characters in a name
 499         mine_fileinfo.walls_offset                =     -1;
 500         mine_fileinfo.walls_howmany       =     0;
 501         mine_fileinfo.walls_sizeof                =     sizeof(wall);
 502         mine_fileinfo.triggers_offset     =     -1;
 503         mine_fileinfo.triggers_howmany  =       0;
 504         mine_fileinfo.triggers_sizeof     =     sizeof(trigger);
 505         mine_fileinfo.object_offset             =       -1;
 506         mine_fileinfo.object_howmany            =       1;
 507         mine_fileinfo.object_sizeof             =       sizeof(object);
 508
 509         mine_fileinfo.level_shake_frequency             =       0;
 510         mine_fileinfo.level_shake_duration              =       0;
 511
 512         //      Delta light stuff for blowing out light sources.
 513 //      if (mine_top_fileinfo.fileinfo_version >= 19) {
 514                 mine_fileinfo.dl_indices_offset         =       -1;
 515                 mine_fileinfo.dl_indices_howmany                =       0;
 516                 mine_fileinfo.dl_indices_sizeof         =       sizeof(dl_index);
 517
 518                 mine_fileinfo.delta_light_offset                =       -1;
 519                 mine_fileinfo.delta_light_howmany               =       0;
 520                 mine_fileinfo.delta_light_sizeof                =       sizeof(delta_light);
 521
 522 //      }
 523
 524         mine_fileinfo.segment2_offset           = -1;
 525         mine_fileinfo.segment2_howmany  = 0;
 526         mine_fileinfo.segment2_sizeof    = sizeof(segment2);
 527
 528         // Read in mine_top_fileinfo to get size of saved fileinfo.
 529
 530         memset( &mine_top_fileinfo, 0, sizeof(mine_top_fileinfo) );
 531
 532         if (cfseek( LoadFile, mine_start, SEEK_SET ))
 533                 Error( "Error moving to top of file in gamemine.c" );
 534
 535         if (cfread( &mine_top_fileinfo, sizeof(mine_top_fileinfo), 1, LoadFile )!=1)
 536                 Error( "Error reading mine_top_fileinfo in gamemine.c" );
 537
 538         if (mine_top_fileinfo.fileinfo_signature != 0x2884)
 539                 return -1;
 540
 541         // Check version number
 542         if (mine_top_fileinfo.fileinfo_version < COMPATIBLE_VERSION )
 543                 return -1;
 544
 545         // Now, Read in the fileinfo
 546         if (cfseek( LoadFile, mine_start, SEEK_SET ))
 547                 Error( "Error seeking to top of file in gamemine.c" );
 548
 549         if (cfread( &mine_fileinfo, mine_top_fileinfo.fileinfo_sizeof, 1, LoadFile )!=1)
 550                 Error( "Error reading mine_fileinfo in gamemine.c" );
 551
 552         if (mine_top_fileinfo.fileinfo_version < 18) {
 553                 mprintf((1, "Old version, setting shake intensity to 0.\n"));
 554                 Level_shake_frequency = 0;
 555                 Level_shake_duration = 0;
 556                 Secret_return_segment = 0;
 557                 Secret_return_orient = vmd_identity_matrix;
 558         } else {
 559                 Level_shake_frequency = mine_fileinfo.level_shake_frequency << 12;
 560                 Level_shake_duration = mine_fileinfo.level_shake_duration << 12;
 561                 Secret_return_segment = mine_fileinfo.secret_return_segment;
 562                 Secret_return_orient = mine_fileinfo.secret_return_orient;
 563         }
 564
 565         //===================== READ HEADER INFO ========================
 566
 567         // Set default values.
 568         mine_header.num_vertices        =   0;
 569         mine_header.num_segments        =   0;
 570
 571         if (mine_fileinfo.header_offset > -1 )
 572         {
 573                 if (cfseek( LoadFile, mine_fileinfo.header_offset, SEEK_SET ))
 574                         Error( "Error seeking to header_offset in gamemine.c" );
 575
 576                 if (cfread( &mine_header, mine_fileinfo.header_size, 1, LoadFile )!=1)
 577                         Error( "Error reading mine_header in gamemine.c" );
 578         }
 579
 580         //===================== READ EDITOR INFO ==========================
 581
 582         // Set default values
 583         mine_editor.current_seg         =   0;
 584         mine_editor.newsegment_offset   =   -1; // To be written
 585         mine_editor.newsegment_size     =   sizeof(segment);
 586         mine_editor.Curside             =   0;
 587         mine_editor.Markedsegp          =   -1;
 588         mine_editor.Markedside          =   0;
 589
 590         if (mine_fileinfo.editor_offset > -1 )
 591         {
 592                 if (cfseek( LoadFile, mine_fileinfo.editor_offset, SEEK_SET ))
 593                         Error( "Error seeking to editor_offset in gamemine.c" );
 594
 595                 if (cfread( &mine_editor, mine_fileinfo.editor_size, 1, LoadFile )!=1)
 596                         Error( "Error reading mine_editor in gamemine.c" );
 597         }
 598
 599         //===================== READ TEXTURE INFO ==========================
 600
 601         if ( (mine_fileinfo.texture_offset > -1) && (mine_fileinfo.texture_howmany > 0))
 602         {
 603                 if (cfseek( LoadFile, mine_fileinfo.texture_offset, SEEK_SET ))
 604                         Error( "Error seeking to texture_offset in gamemine.c" );
 605
 606                 for (i=0; i< mine_fileinfo.texture_howmany; i++ )
 607                 {
 608                         if (cfread( &old_tmap_list[i], mine_fileinfo.texture_sizeof, 1, LoadFile )!=1)
 609                                 Error( "Error reading old_tmap_list[i] in gamemine.c" );
 610                 }
 611         }
 612
 613         //=============== GENERATE TEXTURE TRANSLATION TABLE ===============
 614
 615         translate = 0;
 616
 617         Assert (NumTextures < MAX_TEXTURES);
 618
 619         {
 620                 hashtable ht;
 621
 622                 hashtable_init( &ht, NumTextures );
 623
 624                 // Remove all the file extensions in the textures list
 625
 626                 for (i=0;i<NumTextures;i++)     {
 627                         temptr = strchr(TmapInfo[i].filename, '.');
 628                         if (temptr) *temptr = '\0';
 629                         hashtable_insert( &ht, TmapInfo[i].filename, i );
 630                 }
 631
 632                 // For every texture, search through the texture list
 633                 // to find a matching name.
 634                 for (j=0;j<mine_fileinfo.texture_howmany;j++)   {
 635                         // Remove this texture name's extension
 636                         temptr = strchr(old_tmap_list[j], '.');
 637                         if (temptr) *temptr = '\0';
 638
 639                         tmap_xlate_table[j] = hashtable_search( &ht,old_tmap_list[j]);
 640                         if (tmap_xlate_table[j] < 0 )   {
 641                                 //tmap_xlate_table[j] = 0;
 642                                 // mprintf( (0, "Couldn't find texture '%s'\n", old_tmap_list[j] ));
 643                                 ;
 644                         }
 645                         if (tmap_xlate_table[j] != j ) translate = 1;
 646                         if (tmap_xlate_table[j] >= 0)
 647                                 tmap_times_used[tmap_xlate_table[j]]++;
 648                 }
 649
 650                 {
 651                         int count = 0;
 652                         for (i=0; i<MAX_TEXTURES; i++ )
 653                                 if (tmap_times_used[i])
 654                                         count++;
 655                         mprintf( (0, "This mine has %d unique textures in it (~%d KB)\n", count, (count*4096) /1024 ));
 656                 }
 657
 658                 // -- mprintf( (0, "Translate=%d\n", translate ));
 659
 660                 hashtable_free( &ht );
 661         }
 662
 663         //====================== READ VERTEX INFO ==========================
 664
 665         // New check added to make sure we don't read in too many vertices.
 666         if ( mine_fileinfo.vertex_howmany > MAX_VERTICES )
 667                 {
 668                 mprintf((0, "Num vertices exceeds maximum.  Loading MAX %d vertices\n", MAX_VERTICES));
 669                 mine_fileinfo.vertex_howmany = MAX_VERTICES;
 670                 }
 671
 672         if ( (mine_fileinfo.vertex_offset > -1) && (mine_fileinfo.vertex_howmany > 0))
 673         {
 674                 if (cfseek( LoadFile, mine_fileinfo.vertex_offset, SEEK_SET ))
 675                         Error( "Error seeking to vertex_offset in gamemine.c" );
 676
 677                 for (i=0; i< mine_fileinfo.vertex_howmany; i++ )
 678                 {
 679                         // Set the default values for this vertex
 680                         Vertices[i].x = 1;
 681                         Vertices[i].y = 1;
 682                         Vertices[i].z = 1;
 683
 684                         if (cfread( &Vertices[i], mine_fileinfo.vertex_sizeof, 1, LoadFile )!=1)
 685                                 Error( "Error reading Vertices[i] in gamemine.c" );
 686                 }
 687         }
 688
 689         //==================== READ SEGMENT INFO ===========================
 690
 691         // New check added to make sure we don't read in too many segments.
 692         if ( mine_fileinfo.segment_howmany > MAX_SEGMENTS ) {
 693                 mprintf((0, "Num segments exceeds maximum.  Loading MAX %d segments\n", MAX_SEGMENTS));
 694                 mine_fileinfo.segment_howmany = MAX_SEGMENTS;
 695                 mine_fileinfo.segment2_howmany = MAX_SEGMENTS;
 696         }
 697
 698         // [commented out by mk on 11/20/94 (weren't we supposed to hit final in October?) because it looks redundant.  I think I'll test it now...]  fuelcen_reset();
 699
 700         if ( (mine_fileinfo.segment_offset > -1) && (mine_fileinfo.segment_howmany > 0))        {
 701
 702                 if (cfseek( LoadFile, mine_fileinfo.segment_offset,SEEK_SET ))
 703
 704                         Error( "Error seeking to segment_offset in gamemine.c" );
 705
 706                 Highest_segment_index = mine_fileinfo.segment_howmany-1;
 707
 708                 for (i=0; i< mine_fileinfo.segment_howmany; i++ ) {
 709
 710                         // Set the default values for this segment (clear to zero )
 711                         //memset( &Segments[i], 0, sizeof(segment) );
 712
 713                         if (mine_top_fileinfo.fileinfo_version < 20) {
 714                                 v16_segment v16_seg;
 715
 716                                 Assert(mine_fileinfo.segment_sizeof == sizeof(v16_seg));
 717
 718                                 if (cfread( &v16_seg, mine_fileinfo.segment_sizeof, 1, LoadFile )!=1)
 719                                         Error( "Error reading segments in gamemine.c" );
 720
 721                                 #ifdef EDITOR
 722                                 Segments[i].segnum = v16_seg.segnum;
 723                                 // -- Segments[i].pad = v16_seg.pad;
 724                                 #endif
 725
 726                                 for (j=0; j<MAX_SIDES_PER_SEGMENT; j++)
 727                                         Segments[i].sides[j] = v16_seg.sides[j];
 728
 729                                 for (j=0; j<MAX_SIDES_PER_SEGMENT; j++)
 730                                         Segments[i].children[j] = v16_seg.children[j];
 731
 732                                 for (j=0; j<MAX_VERTICES_PER_SEGMENT; j++)
 733                                         Segments[i].verts[j] = v16_seg.verts[j];
 734
 735                                 Segment2s[i].special = v16_seg.special;
 736                                 Segment2s[i].value = v16_seg.value;
 737                                 Segment2s[i].s2_flags = 0;
 738                                 Segment2s[i].matcen_num = v16_seg.matcen_num;
 739                                 Segment2s[i].static_light = v16_seg.static_light;
 740                                 fuelcen_activate( &Segments[i], Segment2s[i].special );
 741
 742                         } else  {
 743                                 if (cfread( &Segments[i], mine_fileinfo.segment_sizeof, 1, LoadFile )!=1)
 744                                         Error("Unable to read segment %i\n", i);
 745                         }
 746
 747                         Segments[i].objects = -1;
 748                         #ifdef EDITOR
 749                         Segments[i].group = -1;
 750                         #endif
 751
 752                         if (mine_top_fileinfo.fileinfo_version < 15) {  //used old uvl ranges
 753                                 int sn,uvln;
 754
 755                                 for (sn=0;sn<MAX_SIDES_PER_SEGMENT;sn++)
 756                                         for (uvln=0;uvln<4;uvln++) {
 757                                                 Segments[i].sides[sn].uvls[uvln].u /= 64;
 758                                                 Segments[i].sides[sn].uvls[uvln].v /= 64;
 759                                                 Segments[i].sides[sn].uvls[uvln].l /= 32;
 760                                         }
 761                         }
 762
 763                         if (translate == 1)
 764                                 for (j=0;j<MAX_SIDES_PER_SEGMENT;j++) {
 765                                         unsigned short orient;
 766                                         tmap_xlate = Segments[i].sides[j].tmap_num;
 767                                         Segments[i].sides[j].tmap_num = tmap_xlate_table[tmap_xlate];
 768                                         if ((WALL_IS_DOORWAY(&Segments[i],j) & WID_RENDER_FLAG))
 769                                                 if (Segments[i].sides[j].tmap_num < 0)  {
 770                                                         mprintf( (0, "Couldn't find texture '%s' for Segment %d, side %d\n", old_tmap_list[tmap_xlate],i,j));
 771                                                         Int3();
 772                                                         Segments[i].sides[j].tmap_num = NumTextures-1;
 773                                                 }
 774                                         tmap_xlate = Segments[i].sides[j].tmap_num2 & TMAP_NUM_MASK;
 775                                         orient = Segments[i].sides[j].tmap_num2 & (~TMAP_NUM_MASK);
 776                                         if (tmap_xlate != 0) {
 777                                                 int xlated_tmap = tmap_xlate_table[tmap_xlate];
 778
 779                                                 if ((WALL_IS_DOORWAY(&Segments[i],j) & WID_RENDER_FLAG))
 780                                                         if (xlated_tmap <= 0)   {
 781                                                                 mprintf( (0, "Couldn't find texture '%s' for Segment %d, side %d\n", old_tmap_list[tmap_xlate],i,j));
 782                                                                 Int3();
 783                                                                 Segments[i].sides[j].tmap_num2 = NumTextures-1;
 784                                                         }
 785                                                 Segments[i].sides[j].tmap_num2 = xlated_tmap | orient;
 786                                         }
 787                                 }
 788                 }
 789
 790
 791                 if (mine_top_fileinfo.fileinfo_version >= 20)
 792                         for (i=0; i<=Highest_segment_index; i++) {
 793                                 cfread(&Segment2s[i], sizeof(segment2), 1, LoadFile);
 794                                 fuelcen_activate( &Segments[i], Segment2s[i].special );
 795                         }
 796         }
 797
 798         //===================== READ NEWSEGMENT INFO =====================
 799
 800         #ifdef EDITOR
 801
 802         {               // Default segment created.
 803                 vms_vector      sizevec;
 804                 med_create_new_segment(vm_vec_make(&sizevec,DEFAULT_X_SIZE,DEFAULT_Y_SIZE,DEFAULT_Z_SIZE));             // New_segment = Segments[0];
 805                 //memset( &New_segment, 0, sizeof(segment) );
 806         }
 807
 808         if (mine_editor.newsegment_offset > -1)
 809         {
 810                 if (cfseek( LoadFile, mine_editor.newsegment_offset,SEEK_SET ))
 811                         Error( "Error seeking to newsegment_offset in gamemine.c" );
 812                 if (cfread( &New_segment, mine_editor.newsegment_size,1,LoadFile )!=1)
 813                         Error( "Error reading new_segment in gamemine.c" );
 814         }
 815
 816         if ( (mine_fileinfo.newseg_verts_offset > -1) && (mine_fileinfo.newseg_verts_howmany > 0))
 817         {
 818                 if (cfseek( LoadFile, mine_fileinfo.newseg_verts_offset, SEEK_SET ))
 819                         Error( "Error seeking to newseg_verts_offset in gamemine.c" );
 820                 for (i=0; i< mine_fileinfo.newseg_verts_howmany; i++ )
 821                 {
 822                         // Set the default values for this vertex
 823                         Vertices[NEW_SEGMENT_VERTICES+i].x = 1;
 824                         Vertices[NEW_SEGMENT_VERTICES+i].y = 1;
 825                         Vertices[NEW_SEGMENT_VERTICES+i].z = 1;
 826
 827                         if (cfread( &Vertices[NEW_SEGMENT_VERTICES+i], mine_fileinfo.newseg_verts_sizeof,1,LoadFile )!=1)
 828                                 Error( "Error reading Vertices[NEW_SEGMENT_VERTICES+i] in gamemine.c" );
 829
 830                         New_segment.verts[i] = NEW_SEGMENT_VERTICES+i;
 831                 }
 832         }
 833
 834         #endif
 835
 836         //========================= UPDATE VARIABLES ======================
 837
 838         #ifdef EDITOR
 839
 840         // Setting to Markedsegp to NULL ignores Curside and Markedside, which
 841         // we want to do when reading in an old file.
 842
 843         Markedside = mine_editor.Markedside;
 844         Curside = mine_editor.Curside;
 845         for (i=0;i<10;i++)
 846                 Groupside[i] = mine_editor.Groupside[i];
 847
 848         if ( mine_editor.current_seg != -1 )
 849                 Cursegp = mine_editor.current_seg + Segments;
 850         else
 851                 Cursegp = NULL;
 852
 853         if (mine_editor.Markedsegp != -1 )
 854                 Markedsegp = mine_editor.Markedsegp + Segments;
 855         else
 856                 Markedsegp = NULL;
 857
 858         num_groups = 0;
 859         current_group = -1;
 860
 861         #endif
 862
 863         Num_vertices = mine_fileinfo.vertex_howmany;
 864         Num_segments = mine_fileinfo.segment_howmany;
 865         Highest_vertex_index = Num_vertices-1;
 866         Highest_segment_index = Num_segments-1;
 867
 868         reset_objects(1);               //one object, the player
 869
 870         #ifdef EDITOR
 871         Highest_vertex_index = MAX_SEGMENT_VERTICES-1;
 872         Highest_segment_index = MAX_SEGMENTS-1;
 873         set_vertex_counts();
 874         Highest_vertex_index = Num_vertices-1;
 875         Highest_segment_index = Num_segments-1;
 876
 877         warn_if_concave_segments();
 878         #endif
 879
 880         #ifdef EDITOR
 881                 validate_segment_all();
 882         #endif
 883
 884         //create_local_segment_data();
 885
 886         //gamemine_find_textures();
 887
 888         if (mine_top_fileinfo.fileinfo_version < MINE_VERSION )
 889                 return 1;               //old version
 890         else
 891                 return 0;
 892
 893 }
 894 #endif
 895
 896 #define COMPILED_MINE_VERSION 0
 897
 898 void read_children(int segnum,ubyte bit_mask,CFILE *LoadFile)
 899 {
 900         int bit;
 901
 902         for (bit=0; bit<MAX_SIDES_PER_SEGMENT; bit++) {
 903                 if (bit_mask & (1 << bit)) {
 904                         Segments[segnum].children[bit] = cfile_read_short(LoadFile);
 905                 } else
 906                         Segments[segnum].children[bit] = -1;
 907         }
 908 }
 909
 910 void read_verts(int segnum,CFILE *LoadFile)
 911 {
 912         int i;
 913         // Read short Segments[segnum].verts[MAX_VERTICES_PER_SEGMENT]
 914         for (i = 0; i < MAX_VERTICES_PER_SEGMENT; i++)
 915                 Segments[segnum].verts[i] = cfile_read_short(LoadFile);
 916 }
 917
 918 void read_special(int segnum,ubyte bit_mask,CFILE *LoadFile)
 919 {
 920         if (bit_mask & (1 << MAX_SIDES_PER_SEGMENT)) {
 921                 // Read ubyte   Segment2s[segnum].special
 922                 Segment2s[segnum].special = cfile_read_byte(LoadFile);
 923                 // Read byte    Segment2s[segnum].matcen_num
 924                 Segment2s[segnum].matcen_num = cfile_read_byte(LoadFile);
 925                 // Read short   Segment2s[segnum].value
 926                 Segment2s[segnum].value = cfile_read_short(LoadFile);
 927         } else {
 928                 Segment2s[segnum].special = 0;
 929                 Segment2s[segnum].matcen_num = -1;
 930                 Segment2s[segnum].value = 0;
 931         }
 932 }
 933
 934 int load_mine_data_compiled(CFILE *LoadFile)
 935 {
 936         int     i, segnum, sidenum;
 937         ubyte   compiled_version;
 938         short   temp_short;
 939         ushort  temp_ushort = 0;
 940         ubyte   bit_mask;
 941
 942         d1_pig_present = cfexist(D1_PIGFILE);
 943 #if 0 // the following will be deleted once reading old pigfiles works reliably
 944         if (d1_pig_present) {
 945                 CFILE * d1_Piggy_fp = cfopen( D1_PIGFILE, "rb" );
 946                 switch (cfilelength(d1_Piggy_fp)) {
 947                 case D1_SHARE_BIG_PIGSIZE:
 948                 case D1_SHARE_10_PIGSIZE:
 949                 case D1_SHARE_PIGSIZE:
 950                 case D1_10_BIG_PIGSIZE:
 951                 case D1_10_PIGSIZE:
 952                         //d1_pig_present = 0;
 953                 }
 954                 cfclose (d1_Piggy_fp);
 955         }
 956 #endif
 957
 958         if (!strcmp(strchr(Gamesave_current_filename, '.'), ".sdl"))
 959                 New_file_format_load = 0; // descent 1 shareware
 960         else
 961                 New_file_format_load = 1;
 962
 963         //      For compiled levels, textures map to themselves, prevent tmap_override always being gray,
 964         //      bug which Matt and John refused to acknowledge, so here is Mike, fixing it.
 965 #ifdef EDITOR
 966         for (i=0; i<MAX_TEXTURES; i++)
 967                 tmap_xlate_table[i] = i;
 968 #endif
 969
 970 //      memset( Segments, 0, sizeof(segment)*MAX_SEGMENTS );
 971         fuelcen_reset();
 972
 973         //=============================== Reading part ==============================
 974         compiled_version = cfile_read_byte(LoadFile);
 975         //Assert( compiled_version==COMPILED_MINE_VERSION );
 976         if (compiled_version!=COMPILED_MINE_VERSION)
 977                 mprintf((0,"compiled mine version=%i\n", compiled_version)); //many levels have "wrong" versions.  Theres no point in aborting because of it, I think.
 978
 979         if (New_file_format_load)
 980                 Num_vertices = cfile_read_short(LoadFile);
 981         else
 982                 Num_vertices = cfile_read_int(LoadFile);
 983         Assert( Num_vertices <= MAX_VERTICES );
 984
 985         if (New_file_format_load)
 986                 Num_segments = cfile_read_short(LoadFile);
 987         else
 988                 Num_segments = cfile_read_int(LoadFile);
 989         Assert( Num_segments <= MAX_SEGMENTS );
 990
 991         for (i = 0; i < Num_vertices; i++)
 992                 cfile_read_vector( &(Vertices[i]), LoadFile);
 993
 994         for (segnum=0; segnum<Num_segments; segnum++ )  {
 995
 996                 #ifdef EDITOR
 997                 Segments[segnum].segnum = segnum;
 998                 Segments[segnum].group = 0;
 999                 #endif
1000
1001                 if (New_file_format_load)
1002                         bit_mask = cfile_read_byte(LoadFile);
1003                 else
1004                         bit_mask = 0x7f; // read all six children and special stuff...
1005
1006                 if (Gamesave_current_version == 5) { // d2 SHAREWARE level
1007                         read_special(segnum,bit_mask,LoadFile);
1008                         read_verts(segnum,LoadFile);
1009                         read_children(segnum,bit_mask,LoadFile);
1010                 } else {
1011                         read_children(segnum,bit_mask,LoadFile);
1012                         read_verts(segnum,LoadFile);
1013                         if (Gamesave_current_version <= 1) { // descent 1 level
1014                                 read_special(segnum,bit_mask,LoadFile);
1015                         }
1016                 }
1017
1018                 Segments[segnum].objects = -1;
1019
1020                 if (Gamesave_current_version <= 5) { // descent 1 thru d2 SHAREWARE level
1021                         // Read fix     Segments[segnum].static_light (shift down 5 bits, write as short)
1022                         temp_ushort = cfile_read_short(LoadFile);
1023                         Segment2s[segnum].static_light  = ((fix)temp_ushort) << 4;
1024                         //cfread( &Segments[segnum].static_light, sizeof(fix), 1, LoadFile );
1025                 }
1026
1027                 // Read the walls as a 6 byte array
1028                 for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++ )      {
1029                         Segments[segnum].sides[sidenum].pad = 0;
1030                 }
1031
1032                 if (New_file_format_load)
1033                         bit_mask = cfile_read_byte(LoadFile);
1034                 else
1035                         bit_mask = 0x3f; // read all six sides
1036                 for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++) {
1037                         ubyte byte_wallnum;
1038
1039                         if (bit_mask & (1 << sidenum)) {
1040                                 byte_wallnum = cfile_read_byte(LoadFile);
1041                                 if ( byte_wallnum == 255 )
1042                                         Segments[segnum].sides[sidenum].wall_num = -1;
1043                                 else
1044                                         Segments[segnum].sides[sidenum].wall_num = byte_wallnum;
1045                         } else
1046                                         Segments[segnum].sides[sidenum].wall_num = -1;
1047                 }
1048
1049                 for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++ )      {
1050
1051                         if ( (Segments[segnum].children[sidenum]==-1) || (Segments[segnum].sides[sidenum].wall_num!=-1) )       {
1052                                 // Read short Segments[segnum].sides[sidenum].tmap_num;
1053                                 if (New_file_format_load) {
1054                                         temp_ushort = cfile_read_short(LoadFile);
1055                                         Segments[segnum].sides[sidenum].tmap_num = temp_ushort & 0x7fff;
1056                                 } else
1057                                         Segments[segnum].sides[sidenum].tmap_num = cfile_read_short(LoadFile);
1058
1059                                 if (Gamesave_current_version <= 1)
1060                                         Segments[segnum].sides[sidenum].tmap_num = convert_d1_tmap_num(Segments[segnum].sides[sidenum].tmap_num);
1061
1062                                 if (New_file_format_load && !(temp_ushort & 0x8000))
1063                                         Segments[segnum].sides[sidenum].tmap_num2 = 0;
1064                                 else {
1065                                         // Read short Segments[segnum].sides[sidenum].tmap_num2;
1066                                         Segments[segnum].sides[sidenum].tmap_num2 = cfile_read_short(LoadFile);
1067                                         if (Gamesave_current_version <= 1 && Segments[segnum].sides[sidenum].tmap_num2 != 0)
1068                                                 Segments[segnum].sides[sidenum].tmap_num2 = convert_d1_tmap_num(Segments[segnum].sides[sidenum].tmap_num2);
1069                                 }
1070
1071                                 // Read uvl Segments[segnum].sides[sidenum].uvls[4] (u,v>>5, write as short, l>>1 write as short)
1072                                 for (i=0; i<4; i++ )    {
1073                                         temp_short = cfile_read_short(LoadFile);
1074                                         Segments[segnum].sides[sidenum].uvls[i].u = ((fix)temp_short) << 5;
1075                                         temp_short = cfile_read_short(LoadFile);
1076                                         Segments[segnum].sides[sidenum].uvls[i].v = ((fix)temp_short) << 5;
1077                                         temp_ushort = cfile_read_short(LoadFile);
1078                                         Segments[segnum].sides[sidenum].uvls[i].l = ((fix)temp_ushort) << 1;
1079                                         //cfread( &Segments[segnum].sides[sidenum].uvls[i].l, sizeof(fix), 1, LoadFile );
1080                                 }
1081                         } else {
1082                                 Segments[segnum].sides[sidenum].tmap_num = 0;
1083                                 Segments[segnum].sides[sidenum].tmap_num2 = 0;
1084                                 for (i=0; i<4; i++ )    {
1085                                         Segments[segnum].sides[sidenum].uvls[i].u = 0;
1086                                         Segments[segnum].sides[sidenum].uvls[i].v = 0;
1087                                         Segments[segnum].sides[sidenum].uvls[i].l = 0;
1088                                 }
1089                         }
1090                 }
1091         }
1092
1093 #if 0
1094         {
1095                 FILE *fp;
1096
1097                 fp = fopen("segments.out", "wt");
1098                 for (i = 0; i <= Highest_segment_index; i++) {
1099                         side    sides[MAX_SIDES_PER_SEGMENT];   // 6 sides
1100                         short   children[MAX_SIDES_PER_SEGMENT];        // indices of 6 children segments, front, left, top, right, bottom, back
1101                         short   verts[MAX_VERTICES_PER_SEGMENT];        // vertex ids of 4 front and 4 back vertices
1102                         int             objects;                                                                // pointer to objects in this segment
1103
1104                         for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
1105                                 sbyte   type;                           // replaces num_faces and tri_edge, 1 = quad, 2 = 0:2 triangulation, 3 = 1:3 triangulation
1106                                 ubyte   pad;                                                                    //keep us longword alligned
1107                                 short   wall_num;
1108                                 short   tmap_num;
1109                                 short   tmap_num2;
1110                                 uvl             uvls[4];
1111                                 vms_vector      normals[2];                                             // 2 normals, if quadrilateral, both the same.
1112                                 fprintf(fp, "%d\n", Segments[i].sides[j].type);
1113                                 fprintf(fp, "%d\n", Segments[i].sides[j].pad);
1114                                 fprintf(fp, "%d\n", Segments[i].sides[j].wall_num);
1115                                 fprintf(fp, "%d\n", Segments[i].tmap_num);
1116
1117                         }
1118                         fclose(fp);
1119                 }
1120         }
1121 #endif
1122
1123         Highest_vertex_index = Num_vertices-1;
1124         Highest_segment_index = Num_segments-1;
1125
1126         validate_segment_all();                 // Fill in side type and normals.
1127
1128         for (i=0; i<Num_segments; i++) {
1129                 if (Gamesave_current_version > 5)
1130                         segment2_read(&Segment2s[i], LoadFile);
1131                 fuelcen_activate( &Segments[i], Segment2s[i].special );
1132         }
1133
1134         reset_objects(1);               //one object, the player
1135
1136         return 0;
1137 }