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