1 /* $Id: gamemine.c,v 1.28 2004-08-28 23:17:45 schaffner Exp $ */
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.
17 * Functions for loading mines in the game
26 static char rcsid[] = "$Id: gamemine.c,v 1.28 2004-08-28 23:17:45 schaffner Exp $";
51 #include "editor/editor.h"
64 #define REMOVE_EXT(s) (*(strchr( (s), '.' ))='\0')
66 fix Level_shake_frequency = 0, Level_shake_duration = 0;
67 int Secret_return_segment = 0;
68 vms_matrix Secret_return_orient;
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;
77 typedef struct v16_segment {
79 short segnum; // segment number, not sure what it means
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
85 short group; // group number to which the segment belongs.
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.
91 fix static_light; // average static light in segment
93 short pad; // make structure longword aligned
99 ushort fileinfo_signature;
100 ushort fileinfo_version;
102 int header_offset; // Stuff common to game & editor
104 int editor_offset; // Editor specific stuff
109 int newseg_verts_offset;
110 int newseg_verts_howmany;
111 int newseg_verts_sizeof;
125 int triggers_howmany;
130 int object_offset; // Object info
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;
141 int dl_indices_offset;
142 int dl_indices_howmany;
143 int dl_indices_sizeof;
145 int delta_light_offset;
146 int delta_light_howmany;
147 int delta_light_sizeof;
152 int CreateDefaultNewSegment();
154 int New_file_format_load = 1; // "new file format" is everything newer than d1 shareware
156 int d1_pig_present = 0; // can descent.pig from descent 1 be loaded?
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;
185 #define TMAP_NUM_MASK 0x3FFF
187 /* Converts descent 1 texture numbers to descent 2 texture numbers.
188 * Textures from d1 which are unique to d1 have extra spaces around "return".
189 * If we can load the original d1 pig, we make sure this function is bijective.
190 * This function was updated using the file config/convtabl.ini from devil 2.2.
192 short convert_d1_tmap_num(short d1_tmap_num) {
193 switch (d1_tmap_num) {
194 case 0: case 2: case 4: case 5: // all refer to rock001 (exception to bijectivity rule)
195 return d1_pig_present ? 137 : 43; // grey (devil:95)
197 case 3: return 1; // rock021
198 case 6: return 270; // blue
199 case 7: return 271; // yellow
201 case 9: return d1_pig_present ? 138 : 62; // purple (devil:179)
202 case 10: return 272; // red
203 case 11: return d1_pig_present ? 139 : 117;
204 case 12: return d1_pig_present ? 140 : 12; //devil:43
209 case 17: return d1_pig_present ? 141 : 52;
212 case 20: return d1_pig_present ? 142 : 22;
213 case 21: return d1_pig_present ? 143 : 9;
217 case 25: return d1_pig_present ? 144 : 12; //devil:35
220 case 28: return d1_pig_present ? 145 : 11; //devil:43
221 //range handled by default case, returns 13..21
222 case 38: return 163; //devil:27
223 case 39: return 147; //31
228 case 44: return 136; //devil:135
233 case 49: return d1_pig_present ? 146 : 43; //devil:60
234 case 50: return 131; //devil:138
239 case 55: return 165; //devil:193
241 case 57: return 132; //devil:119
242 // range handled by default case, returns 34..63
243 case 88: return 197; //devil:15
244 // range handled by default case, returns 64..106
245 case 132: return 167;
246 // range handled by default case, returns 107..114
247 case 141: return d1_pig_present ? 148 : 110; //devil:106
248 case 142: return 115;
249 case 143: return 116;
250 case 144: return 117;
251 case 145: return 118;
252 case 146: return 119;
253 case 147: return d1_pig_present ? 149 : 93;
254 case 148: return 120;
255 case 149: return 121;
256 case 150: return 122;
257 case 151: return 123;
258 case 152: return 124;
259 case 153: return 125;
260 case 154: return d1_pig_present ? 150 : 27;
261 case 155: return 126;
262 case 156: return 200;
263 case 157: return 201;
264 case 158: return 186; //devil:227
265 case 159: return 190; //devil:246
266 case 160: return d1_pig_present ? 151 : 206;
267 case 161: return d1_pig_present ? 152 : 114; //devil:206
268 case 162: return 202;
269 case 163: return 203;
270 case 164: return 204;
271 case 165: return 205;
272 case 166: return 206;
273 case 167: return d1_pig_present ? 153 : 206;
274 case 168: return d1_pig_present ? 154 : 206;
275 case 169: return d1_pig_present ? 155 : 206;
276 case 170: return d1_pig_present ? 156 : 227;//206;
277 case 171: return d1_pig_present ? 157 : 206;//227;
278 case 172: return 207;
279 case 173: return 208;
280 case 174: return d1_pig_present ? 158 : 202;
281 case 175: return d1_pig_present ? 159 : 206;
282 // range handled by default case, returns 209..217
283 case 185: return d1_pig_present ? 160 : 217;
284 // range handled by default case, returns 218..224
285 case 193: return d1_pig_present ? 161 : 206;
286 case 194: return d1_pig_present ? 162 : 203;//206;
287 case 195: return d1_pig_present ? 166 : 234;
288 case 196: return 225;
289 case 197: return 226;
290 case 198: return d1_pig_present ? 167 : 225;
291 case 199: return d1_pig_present ? 168 : 206; //devil:204
292 case 200: return d1_pig_present ? 169 : 206; //devil:204
293 case 201: return 227;
294 case 202: return d1_pig_present ? 170 : 206; //devil:227
295 // range handled by default case, returns 228..234
296 case 210: return d1_pig_present ? 171 : 234; //devil:242
297 case 211: return d1_pig_present ? 172 : 206; //devil:240
298 // range handled by default case, returns 235..242
299 case 220: return d1_pig_present ? 173 : 242; //devil:240
300 case 221: return 243;
301 case 222: return 244;
302 case 223: return d1_pig_present ? 174 : 313;
303 case 224: return 245;
304 case 225: return 246;
305 case 226: return 164;//247; matching names but not matching textures
306 case 227: return 179; //devil:181
307 case 228: return 196;//248; matching names but not matching textures
308 case 229: return d1_pig_present ? 175 : 15; //devil:66
309 case 230: return d1_pig_present ? 176 : 15; //devil:66
310 // range handled by default case, returns 249..257
311 case 240: return d1_pig_present ? 177 : 6; //devil:132
312 case 241: return 130; //devil:131
313 case 242: return d1_pig_present ? 178 : 78; //devil:15
314 case 243: return d1_pig_present ? 180 : 33; //devil:38
315 case 244: return 258;
316 case 245: return 259;
317 case 246: return d1_pig_present ? 181 : 321;
318 case 247: return 260;
319 case 248: return 261;
320 case 249: return 262;
321 case 250: return 340; // white entrance
322 case 251: return 412; // red entrance
323 case 252: return 410; // blue entrance
324 case 253: return 411; // yellow entrance
325 case 254: return 263;
326 case 255: return 264;
327 case 256: return 265;
328 case 257: return d1_pig_present ? 182 : 249;//246; brig001
329 case 258: return d1_pig_present ? 183 : 251;//246; brig002
330 case 259: return d1_pig_present ? 184 : 252;//246; brig003
331 case 260: return d1_pig_present ? 185 : 256;//246; brig004
332 case 261: return 273;
333 case 262: return 274;
334 case 263: return d1_pig_present ? 187 : 281;
335 case 264: return 275;
336 case 265: return 276;
337 case 266: return d1_pig_present ? 188 : 279; //devil:291
338 // range handled by default case, returns 277..291
339 case 282: return 293;
340 case 283: return d1_pig_present ? 189 : 295;
341 case 284: return 295;
342 case 285: return 296;
343 case 286: return 298;
344 // range handled by default case, returns 300..310
345 case 298: return d1_pig_present ? 191 : 364; //devil:374
346 // range handled by default case, returns 311..326
347 case 315: return d1_pig_present ? 192 : 361; // broken producer
348 // range handled by default case, returns 327..337
349 case 327: return 352;
350 case 328: return 353;
351 case 329: return 354;
352 case 330: return 380;
353 case 331: return 379;//373; matching names but not matching textures
354 case 332: return 355;//344; matching names but not matching textures
355 case 333: return 409; // lava //devil:404
356 case 334: return 356;
357 case 335: return 357;
358 case 336: return 358;
359 case 337: return 359;
360 case 338: return 360;
361 case 339: return 361; // producer
362 case 340: return 362;
363 case 341: return 364;
364 case 342: return 363;
365 case 343: return 366;
366 case 344: return 365;
367 case 345: return 368;
368 case 346: return 376;
369 case 347: return 370;
370 case 348: return 367;
371 case 349: return 372;
372 case 350: return 369;
373 case 351: return 374;//429; matching names but not matching textures
374 case 352: return 375;//387; matching names but not matching textures
375 case 353: return 371;
376 case 354: return 377;//425; matching names but not matching textures
377 case 355: return 408;
378 case 356: return 378; // lava02
379 case 357: return 383;//384; matching names but not matching textures
380 case 358: return 384;//385; matching names but not matching textures
381 case 359: return 385;//386; matching names but not matching textures
382 case 360: return 386;
383 case 361: return 387;
384 case 362: return d1_pig_present ? 194 : 388; // mntr04a (devil: -1)
385 case 363: return 388;
386 case 364: return 391;
387 case 365: return 392;
388 case 366: return 393;
389 case 367: return 394;
390 case 368: return 395;
391 case 369: return 396;
392 case 370: return d1_pig_present ? 195 : 392; // mntr04b (devil: -1)
393 // range 371..584 handled by default case (wall01 and door frames)
396 if (d1_tmap_num >= 29 && d1_tmap_num <= 37)
397 return d1_tmap_num - 16;
398 if (d1_tmap_num >= 58 && d1_tmap_num <= 87)
399 return d1_tmap_num - 24;
400 if (d1_tmap_num >= 89 && d1_tmap_num <= 131)
401 return d1_tmap_num - 25;
402 if (d1_tmap_num >= 133 && d1_tmap_num <= 140)
403 return d1_tmap_num - 26;
404 if (d1_tmap_num >= 176 && d1_tmap_num <= 184)
405 return d1_tmap_num + 33;
406 if (d1_tmap_num >= 186 && d1_tmap_num <= 192)
407 return d1_tmap_num + 32;
408 if (d1_tmap_num >= 203 && d1_tmap_num <= 209)
409 return d1_tmap_num + 25;
410 if (d1_tmap_num >= 212 && d1_tmap_num <= 219)
411 return d1_tmap_num + 23;
412 if (d1_tmap_num >= 231 && d1_tmap_num <= 239)
413 return d1_tmap_num + 18;
414 if (d1_tmap_num >= 267 && d1_tmap_num <= 281)
415 return d1_tmap_num + 10;
416 if (d1_tmap_num >= 287 && d1_tmap_num <= 297)
417 return d1_tmap_num + 13;
418 if (d1_tmap_num >= 299 && d1_tmap_num <= 314)
419 return d1_tmap_num + 12;
420 if (d1_tmap_num >= 316 && d1_tmap_num <= 326)
421 return d1_tmap_num + 11; // matching names but not matching textures
422 // wall01 and door frames:
423 if (d1_tmap_num > 370 && d1_tmap_num < 584) {
424 if (New_file_format_load) return d1_tmap_num + 64;
425 // d1 shareware needs special treatment:
426 if (d1_tmap_num < 410) return d1_tmap_num + 68;
427 if (d1_tmap_num < 417) return d1_tmap_num + 73;
428 if (d1_tmap_num < 446) return d1_tmap_num + 91;
429 if (d1_tmap_num < 453) return d1_tmap_num + 104;
430 if (d1_tmap_num < 462) return d1_tmap_num + 111;
431 if (d1_tmap_num < 486) return d1_tmap_num + 117;
432 if (d1_tmap_num < 494) return d1_tmap_num + 141;
433 if (d1_tmap_num < 584) return d1_tmap_num + 147;
435 { // handle rare case where orientation != 0
436 short tmap_num = d1_tmap_num & TMAP_NUM_MASK;
437 short orient = d1_tmap_num & ~TMAP_NUM_MASK;
439 return orient | convert_d1_tmap_num(tmap_num);
441 Warning("can't convert unknown descent 1 texture #%d.\n", tmap_num);
450 static char old_tmap_list[MAX_TEXTURES][FILENAME_LEN];
451 short tmap_xlate_table[MAX_TEXTURES];
452 static short tmap_times_used[MAX_TEXTURES];
454 // -----------------------------------------------------------------------------
455 //loads from an already-open file
456 // returns 0=everything ok, 1=old version, -1=error
457 int load_mine_data(CFILE *LoadFile)
459 int i, j,oldsizeadjust;
463 int mine_start = cftell(LoadFile);
465 d1_pig_present = cfexist(D1_PIGFILE);
467 oldsizeadjust=(sizeof(int)*2)+sizeof (vms_matrix);
470 for (i=0; i<MAX_TEXTURES; i++ )
471 tmap_times_used[i] = 0;
474 // Create a new mine to initialize things.
475 //texpage_goto_first();
479 //===================== READ FILE INFO ========================
481 // These are the default values... version and fileinfo_sizeof
482 // don't have defaults.
483 mine_fileinfo.header_offset = -1;
484 mine_fileinfo.header_size = sizeof(mine_header);
485 mine_fileinfo.editor_offset = -1;
486 mine_fileinfo.editor_size = sizeof(mine_editor);
487 mine_fileinfo.vertex_offset = -1;
488 mine_fileinfo.vertex_howmany = 0;
489 mine_fileinfo.vertex_sizeof = sizeof(vms_vector);
490 mine_fileinfo.segment_offset = -1;
491 mine_fileinfo.segment_howmany = 0;
492 mine_fileinfo.segment_sizeof = sizeof(segment);
493 mine_fileinfo.newseg_verts_offset = -1;
494 mine_fileinfo.newseg_verts_howmany = 0;
495 mine_fileinfo.newseg_verts_sizeof = sizeof(vms_vector);
496 mine_fileinfo.group_offset = -1;
497 mine_fileinfo.group_howmany = 0;
498 mine_fileinfo.group_sizeof = sizeof(group);
499 mine_fileinfo.texture_offset = -1;
500 mine_fileinfo.texture_howmany = 0;
501 mine_fileinfo.texture_sizeof = FILENAME_LEN; // num characters in a name
502 mine_fileinfo.walls_offset = -1;
503 mine_fileinfo.walls_howmany = 0;
504 mine_fileinfo.walls_sizeof = sizeof(wall);
505 mine_fileinfo.triggers_offset = -1;
506 mine_fileinfo.triggers_howmany = 0;
507 mine_fileinfo.triggers_sizeof = sizeof(trigger);
508 mine_fileinfo.object_offset = -1;
509 mine_fileinfo.object_howmany = 1;
510 mine_fileinfo.object_sizeof = sizeof(object);
512 mine_fileinfo.level_shake_frequency = 0;
513 mine_fileinfo.level_shake_duration = 0;
515 // Delta light stuff for blowing out light sources.
516 // if (mine_top_fileinfo.fileinfo_version >= 19) {
517 mine_fileinfo.dl_indices_offset = -1;
518 mine_fileinfo.dl_indices_howmany = 0;
519 mine_fileinfo.dl_indices_sizeof = sizeof(dl_index);
521 mine_fileinfo.delta_light_offset = -1;
522 mine_fileinfo.delta_light_howmany = 0;
523 mine_fileinfo.delta_light_sizeof = sizeof(delta_light);
527 mine_fileinfo.segment2_offset = -1;
528 mine_fileinfo.segment2_howmany = 0;
529 mine_fileinfo.segment2_sizeof = sizeof(segment2);
531 // Read in mine_top_fileinfo to get size of saved fileinfo.
533 memset( &mine_top_fileinfo, 0, sizeof(mine_top_fileinfo) );
535 if (cfseek( LoadFile, mine_start, SEEK_SET ))
536 Error( "Error moving to top of file in gamemine.c" );
538 if (cfread( &mine_top_fileinfo, sizeof(mine_top_fileinfo), 1, LoadFile )!=1)
539 Error( "Error reading mine_top_fileinfo in gamemine.c" );
541 if (mine_top_fileinfo.fileinfo_signature != 0x2884)
544 // Check version number
545 if (mine_top_fileinfo.fileinfo_version < COMPATIBLE_VERSION )
548 // Now, Read in the fileinfo
549 if (cfseek( LoadFile, mine_start, SEEK_SET ))
550 Error( "Error seeking to top of file in gamemine.c" );
552 if (cfread( &mine_fileinfo, mine_top_fileinfo.fileinfo_sizeof, 1, LoadFile )!=1)
553 Error( "Error reading mine_fileinfo in gamemine.c" );
555 if (mine_top_fileinfo.fileinfo_version < 18) {
556 mprintf((1, "Old version, setting shake intensity to 0.\n"));
557 Level_shake_frequency = 0;
558 Level_shake_duration = 0;
559 Secret_return_segment = 0;
560 Secret_return_orient = vmd_identity_matrix;
562 Level_shake_frequency = mine_fileinfo.level_shake_frequency << 12;
563 Level_shake_duration = mine_fileinfo.level_shake_duration << 12;
564 Secret_return_segment = mine_fileinfo.secret_return_segment;
565 Secret_return_orient = mine_fileinfo.secret_return_orient;
568 //===================== READ HEADER INFO ========================
570 // Set default values.
571 mine_header.num_vertices = 0;
572 mine_header.num_segments = 0;
574 if (mine_fileinfo.header_offset > -1 )
576 if (cfseek( LoadFile, mine_fileinfo.header_offset, SEEK_SET ))
577 Error( "Error seeking to header_offset in gamemine.c" );
579 if (cfread( &mine_header, mine_fileinfo.header_size, 1, LoadFile )!=1)
580 Error( "Error reading mine_header in gamemine.c" );
583 //===================== READ EDITOR INFO ==========================
585 // Set default values
586 mine_editor.current_seg = 0;
587 mine_editor.newsegment_offset = -1; // To be written
588 mine_editor.newsegment_size = sizeof(segment);
589 mine_editor.Curside = 0;
590 mine_editor.Markedsegp = -1;
591 mine_editor.Markedside = 0;
593 if (mine_fileinfo.editor_offset > -1 )
595 if (cfseek( LoadFile, mine_fileinfo.editor_offset, SEEK_SET ))
596 Error( "Error seeking to editor_offset in gamemine.c" );
598 if (cfread( &mine_editor, mine_fileinfo.editor_size, 1, LoadFile )!=1)
599 Error( "Error reading mine_editor in gamemine.c" );
602 //===================== READ TEXTURE INFO ==========================
604 if ( (mine_fileinfo.texture_offset > -1) && (mine_fileinfo.texture_howmany > 0))
606 if (cfseek( LoadFile, mine_fileinfo.texture_offset, SEEK_SET ))
607 Error( "Error seeking to texture_offset in gamemine.c" );
609 for (i=0; i< mine_fileinfo.texture_howmany; i++ )
611 if (cfread( &old_tmap_list[i], mine_fileinfo.texture_sizeof, 1, LoadFile )!=1)
612 Error( "Error reading old_tmap_list[i] in gamemine.c" );
616 //=============== GENERATE TEXTURE TRANSLATION TABLE ===============
620 Assert (NumTextures < MAX_TEXTURES);
625 hashtable_init( &ht, NumTextures );
627 // Remove all the file extensions in the textures list
629 for (i=0;i<NumTextures;i++) {
630 temptr = strchr(TmapInfo[i].filename, '.');
631 if (temptr) *temptr = '\0';
632 hashtable_insert( &ht, TmapInfo[i].filename, i );
635 // For every texture, search through the texture list
636 // to find a matching name.
637 for (j=0;j<mine_fileinfo.texture_howmany;j++) {
638 // Remove this texture name's extension
639 temptr = strchr(old_tmap_list[j], '.');
640 if (temptr) *temptr = '\0';
642 tmap_xlate_table[j] = hashtable_search( &ht,old_tmap_list[j]);
643 if (tmap_xlate_table[j] < 0 ) {
644 //tmap_xlate_table[j] = 0;
645 // mprintf( (0, "Couldn't find texture '%s'\n", old_tmap_list[j] ));
648 if (tmap_xlate_table[j] != j ) translate = 1;
649 if (tmap_xlate_table[j] >= 0)
650 tmap_times_used[tmap_xlate_table[j]]++;
655 for (i=0; i<MAX_TEXTURES; i++ )
656 if (tmap_times_used[i])
658 mprintf( (0, "This mine has %d unique textures in it (~%d KB)\n", count, (count*4096) /1024 ));
661 // -- mprintf( (0, "Translate=%d\n", translate ));
663 hashtable_free( &ht );
666 //====================== READ VERTEX INFO ==========================
668 // New check added to make sure we don't read in too many vertices.
669 if ( mine_fileinfo.vertex_howmany > MAX_VERTICES )
671 mprintf((0, "Num vertices exceeds maximum. Loading MAX %d vertices\n", MAX_VERTICES));
672 mine_fileinfo.vertex_howmany = MAX_VERTICES;
675 if ( (mine_fileinfo.vertex_offset > -1) && (mine_fileinfo.vertex_howmany > 0))
677 if (cfseek( LoadFile, mine_fileinfo.vertex_offset, SEEK_SET ))
678 Error( "Error seeking to vertex_offset in gamemine.c" );
680 for (i=0; i< mine_fileinfo.vertex_howmany; i++ )
682 // Set the default values for this vertex
687 if (cfread( &Vertices[i], mine_fileinfo.vertex_sizeof, 1, LoadFile )!=1)
688 Error( "Error reading Vertices[i] in gamemine.c" );
692 //==================== READ SEGMENT INFO ===========================
694 // New check added to make sure we don't read in too many segments.
695 if ( mine_fileinfo.segment_howmany > MAX_SEGMENTS ) {
696 mprintf((0, "Num segments exceeds maximum. Loading MAX %d segments\n", MAX_SEGMENTS));
697 mine_fileinfo.segment_howmany = MAX_SEGMENTS;
698 mine_fileinfo.segment2_howmany = MAX_SEGMENTS;
701 // [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();
703 if ( (mine_fileinfo.segment_offset > -1) && (mine_fileinfo.segment_howmany > 0)) {
705 if (cfseek( LoadFile, mine_fileinfo.segment_offset,SEEK_SET ))
707 Error( "Error seeking to segment_offset in gamemine.c" );
709 Highest_segment_index = mine_fileinfo.segment_howmany-1;
711 for (i=0; i< mine_fileinfo.segment_howmany; i++ ) {
713 // Set the default values for this segment (clear to zero )
714 //memset( &Segments[i], 0, sizeof(segment) );
716 if (mine_top_fileinfo.fileinfo_version < 20) {
719 Assert(mine_fileinfo.segment_sizeof == sizeof(v16_seg));
721 if (cfread( &v16_seg, mine_fileinfo.segment_sizeof, 1, LoadFile )!=1)
722 Error( "Error reading segments in gamemine.c" );
725 Segments[i].segnum = v16_seg.segnum;
726 // -- Segments[i].pad = v16_seg.pad;
729 for (j=0; j<MAX_SIDES_PER_SEGMENT; j++)
730 Segments[i].sides[j] = v16_seg.sides[j];
732 for (j=0; j<MAX_SIDES_PER_SEGMENT; j++)
733 Segments[i].children[j] = v16_seg.children[j];
735 for (j=0; j<MAX_VERTICES_PER_SEGMENT; j++)
736 Segments[i].verts[j] = v16_seg.verts[j];
738 Segment2s[i].special = v16_seg.special;
739 Segment2s[i].value = v16_seg.value;
740 Segment2s[i].s2_flags = 0;
741 Segment2s[i].matcen_num = v16_seg.matcen_num;
742 Segment2s[i].static_light = v16_seg.static_light;
743 fuelcen_activate( &Segments[i], Segment2s[i].special );
746 if (cfread( &Segments[i], mine_fileinfo.segment_sizeof, 1, LoadFile )!=1)
747 Error("Unable to read segment %i\n", i);
750 Segments[i].objects = -1;
752 Segments[i].group = -1;
755 if (mine_top_fileinfo.fileinfo_version < 15) { //used old uvl ranges
758 for (sn=0;sn<MAX_SIDES_PER_SEGMENT;sn++)
759 for (uvln=0;uvln<4;uvln++) {
760 Segments[i].sides[sn].uvls[uvln].u /= 64;
761 Segments[i].sides[sn].uvls[uvln].v /= 64;
762 Segments[i].sides[sn].uvls[uvln].l /= 32;
767 for (j=0;j<MAX_SIDES_PER_SEGMENT;j++) {
768 unsigned short orient;
769 tmap_xlate = Segments[i].sides[j].tmap_num;
770 Segments[i].sides[j].tmap_num = tmap_xlate_table[tmap_xlate];
771 if ((WALL_IS_DOORWAY(&Segments[i],j) & WID_RENDER_FLAG))
772 if (Segments[i].sides[j].tmap_num < 0) {
773 mprintf( (0, "Couldn't find texture '%s' for Segment %d, side %d\n", old_tmap_list[tmap_xlate],i,j));
775 Segments[i].sides[j].tmap_num = NumTextures-1;
777 tmap_xlate = Segments[i].sides[j].tmap_num2 & TMAP_NUM_MASK;
778 orient = Segments[i].sides[j].tmap_num2 & (~TMAP_NUM_MASK);
779 if (tmap_xlate != 0) {
780 int xlated_tmap = tmap_xlate_table[tmap_xlate];
782 if ((WALL_IS_DOORWAY(&Segments[i],j) & WID_RENDER_FLAG))
783 if (xlated_tmap <= 0) {
784 mprintf( (0, "Couldn't find texture '%s' for Segment %d, side %d\n", old_tmap_list[tmap_xlate],i,j));
786 Segments[i].sides[j].tmap_num2 = NumTextures-1;
788 Segments[i].sides[j].tmap_num2 = xlated_tmap | orient;
794 if (mine_top_fileinfo.fileinfo_version >= 20)
795 for (i=0; i<=Highest_segment_index; i++) {
796 cfread(&Segment2s[i], sizeof(segment2), 1, LoadFile);
797 fuelcen_activate( &Segments[i], Segment2s[i].special );
801 //===================== READ NEWSEGMENT INFO =====================
805 { // Default segment created.
807 med_create_new_segment(vm_vec_make(&sizevec,DEFAULT_X_SIZE,DEFAULT_Y_SIZE,DEFAULT_Z_SIZE)); // New_segment = Segments[0];
808 //memset( &New_segment, 0, sizeof(segment) );
811 if (mine_editor.newsegment_offset > -1)
813 if (cfseek( LoadFile, mine_editor.newsegment_offset,SEEK_SET ))
814 Error( "Error seeking to newsegment_offset in gamemine.c" );
815 if (cfread( &New_segment, mine_editor.newsegment_size,1,LoadFile )!=1)
816 Error( "Error reading new_segment in gamemine.c" );
819 if ( (mine_fileinfo.newseg_verts_offset > -1) && (mine_fileinfo.newseg_verts_howmany > 0))
821 if (cfseek( LoadFile, mine_fileinfo.newseg_verts_offset, SEEK_SET ))
822 Error( "Error seeking to newseg_verts_offset in gamemine.c" );
823 for (i=0; i< mine_fileinfo.newseg_verts_howmany; i++ )
825 // Set the default values for this vertex
826 Vertices[NEW_SEGMENT_VERTICES+i].x = 1;
827 Vertices[NEW_SEGMENT_VERTICES+i].y = 1;
828 Vertices[NEW_SEGMENT_VERTICES+i].z = 1;
830 if (cfread( &Vertices[NEW_SEGMENT_VERTICES+i], mine_fileinfo.newseg_verts_sizeof,1,LoadFile )!=1)
831 Error( "Error reading Vertices[NEW_SEGMENT_VERTICES+i] in gamemine.c" );
833 New_segment.verts[i] = NEW_SEGMENT_VERTICES+i;
839 //========================= UPDATE VARIABLES ======================
843 // Setting to Markedsegp to NULL ignores Curside and Markedside, which
844 // we want to do when reading in an old file.
846 Markedside = mine_editor.Markedside;
847 Curside = mine_editor.Curside;
849 Groupside[i] = mine_editor.Groupside[i];
851 if ( mine_editor.current_seg != -1 )
852 Cursegp = mine_editor.current_seg + Segments;
856 if (mine_editor.Markedsegp != -1 )
857 Markedsegp = mine_editor.Markedsegp + Segments;
866 Num_vertices = mine_fileinfo.vertex_howmany;
867 Num_segments = mine_fileinfo.segment_howmany;
868 Highest_vertex_index = Num_vertices-1;
869 Highest_segment_index = Num_segments-1;
871 reset_objects(1); //one object, the player
874 Highest_vertex_index = MAX_SEGMENT_VERTICES-1;
875 Highest_segment_index = MAX_SEGMENTS-1;
877 Highest_vertex_index = Num_vertices-1;
878 Highest_segment_index = Num_segments-1;
880 warn_if_concave_segments();
884 validate_segment_all();
887 //create_local_segment_data();
889 //gamemine_find_textures();
891 if (mine_top_fileinfo.fileinfo_version < MINE_VERSION )
892 return 1; //old version
899 #define COMPILED_MINE_VERSION 0
901 void read_children(int segnum,ubyte bit_mask,CFILE *LoadFile)
905 for (bit=0; bit<MAX_SIDES_PER_SEGMENT; bit++) {
906 if (bit_mask & (1 << bit)) {
907 Segments[segnum].children[bit] = cfile_read_short(LoadFile);
909 Segments[segnum].children[bit] = -1;
913 void read_verts(int segnum,CFILE *LoadFile)
916 // Read short Segments[segnum].verts[MAX_VERTICES_PER_SEGMENT]
917 for (i = 0; i < MAX_VERTICES_PER_SEGMENT; i++)
918 Segments[segnum].verts[i] = cfile_read_short(LoadFile);
921 void read_special(int segnum,ubyte bit_mask,CFILE *LoadFile)
923 if (bit_mask & (1 << MAX_SIDES_PER_SEGMENT)) {
924 // Read ubyte Segment2s[segnum].special
925 Segment2s[segnum].special = cfile_read_byte(LoadFile);
926 // Read byte Segment2s[segnum].matcen_num
927 Segment2s[segnum].matcen_num = cfile_read_byte(LoadFile);
928 // Read short Segment2s[segnum].value
929 Segment2s[segnum].value = cfile_read_short(LoadFile);
931 Segment2s[segnum].special = 0;
932 Segment2s[segnum].matcen_num = -1;
933 Segment2s[segnum].value = 0;
937 int load_mine_data_compiled(CFILE *LoadFile)
939 int i, segnum, sidenum;
940 ubyte compiled_version;
942 ushort temp_ushort = 0;
945 d1_pig_present = cfexist(D1_PIGFILE);
947 if (!strcmp(strchr(Gamesave_current_filename, '.'), ".sdl"))
948 New_file_format_load = 0; // descent 1 shareware
950 New_file_format_load = 1;
952 // For compiled levels, textures map to themselves, prevent tmap_override always being gray,
953 // bug which Matt and John refused to acknowledge, so here is Mike, fixing it.
955 for (i=0; i<MAX_TEXTURES; i++)
956 tmap_xlate_table[i] = i;
959 // memset( Segments, 0, sizeof(segment)*MAX_SEGMENTS );
962 //=============================== Reading part ==============================
963 compiled_version = cfile_read_byte(LoadFile);
964 //Assert( compiled_version==COMPILED_MINE_VERSION );
965 if (compiled_version!=COMPILED_MINE_VERSION)
966 mprintf((0,"compiled mine version=%i\n", compiled_version)); //many levels have "wrong" versions. Theres no point in aborting because of it, I think.
968 if (New_file_format_load)
969 Num_vertices = cfile_read_short(LoadFile);
971 Num_vertices = cfile_read_int(LoadFile);
972 Assert( Num_vertices <= MAX_VERTICES );
974 if (New_file_format_load)
975 Num_segments = cfile_read_short(LoadFile);
977 Num_segments = cfile_read_int(LoadFile);
978 Assert( Num_segments <= MAX_SEGMENTS );
980 for (i = 0; i < Num_vertices; i++)
981 cfile_read_vector( &(Vertices[i]), LoadFile);
983 for (segnum=0; segnum<Num_segments; segnum++ ) {
986 Segments[segnum].segnum = segnum;
987 Segments[segnum].group = 0;
990 if (New_file_format_load)
991 bit_mask = cfile_read_byte(LoadFile);
993 bit_mask = 0x7f; // read all six children and special stuff...
995 if (Gamesave_current_version == 5) { // d2 SHAREWARE level
996 read_special(segnum,bit_mask,LoadFile);
997 read_verts(segnum,LoadFile);
998 read_children(segnum,bit_mask,LoadFile);
1000 read_children(segnum,bit_mask,LoadFile);
1001 read_verts(segnum,LoadFile);
1002 if (Gamesave_current_version <= 1) { // descent 1 level
1003 read_special(segnum,bit_mask,LoadFile);
1007 Segments[segnum].objects = -1;
1009 if (Gamesave_current_version <= 5) { // descent 1 thru d2 SHAREWARE level
1010 // Read fix Segments[segnum].static_light (shift down 5 bits, write as short)
1011 temp_ushort = cfile_read_short(LoadFile);
1012 Segment2s[segnum].static_light = ((fix)temp_ushort) << 4;
1013 //cfread( &Segments[segnum].static_light, sizeof(fix), 1, LoadFile );
1016 // Read the walls as a 6 byte array
1017 for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++ ) {
1018 Segments[segnum].sides[sidenum].pad = 0;
1021 if (New_file_format_load)
1022 bit_mask = cfile_read_byte(LoadFile);
1024 bit_mask = 0x3f; // read all six sides
1025 for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++) {
1028 if (bit_mask & (1 << sidenum)) {
1029 byte_wallnum = cfile_read_byte(LoadFile);
1030 if ( byte_wallnum == 255 )
1031 Segments[segnum].sides[sidenum].wall_num = -1;
1033 Segments[segnum].sides[sidenum].wall_num = byte_wallnum;
1035 Segments[segnum].sides[sidenum].wall_num = -1;
1038 for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++ ) {
1040 if ( (Segments[segnum].children[sidenum]==-1) || (Segments[segnum].sides[sidenum].wall_num!=-1) ) {
1041 // Read short Segments[segnum].sides[sidenum].tmap_num;
1042 if (New_file_format_load) {
1043 temp_ushort = cfile_read_short(LoadFile);
1044 Segments[segnum].sides[sidenum].tmap_num = temp_ushort & 0x7fff;
1046 Segments[segnum].sides[sidenum].tmap_num = cfile_read_short(LoadFile);
1048 if (Gamesave_current_version <= 1)
1049 Segments[segnum].sides[sidenum].tmap_num = convert_d1_tmap_num(Segments[segnum].sides[sidenum].tmap_num);
1051 if (New_file_format_load && !(temp_ushort & 0x8000))
1052 Segments[segnum].sides[sidenum].tmap_num2 = 0;
1054 // Read short Segments[segnum].sides[sidenum].tmap_num2;
1055 Segments[segnum].sides[sidenum].tmap_num2 = cfile_read_short(LoadFile);
1056 if (Gamesave_current_version <= 1 && Segments[segnum].sides[sidenum].tmap_num2 != 0)
1057 Segments[segnum].sides[sidenum].tmap_num2 = convert_d1_tmap_num(Segments[segnum].sides[sidenum].tmap_num2);
1060 // Read uvl Segments[segnum].sides[sidenum].uvls[4] (u,v>>5, write as short, l>>1 write as short)
1061 for (i=0; i<4; i++ ) {
1062 temp_short = cfile_read_short(LoadFile);
1063 Segments[segnum].sides[sidenum].uvls[i].u = ((fix)temp_short) << 5;
1064 temp_short = cfile_read_short(LoadFile);
1065 Segments[segnum].sides[sidenum].uvls[i].v = ((fix)temp_short) << 5;
1066 temp_ushort = cfile_read_short(LoadFile);
1067 Segments[segnum].sides[sidenum].uvls[i].l = ((fix)temp_ushort) << 1;
1068 //cfread( &Segments[segnum].sides[sidenum].uvls[i].l, sizeof(fix), 1, LoadFile );
1071 Segments[segnum].sides[sidenum].tmap_num = 0;
1072 Segments[segnum].sides[sidenum].tmap_num2 = 0;
1073 for (i=0; i<4; i++ ) {
1074 Segments[segnum].sides[sidenum].uvls[i].u = 0;
1075 Segments[segnum].sides[sidenum].uvls[i].v = 0;
1076 Segments[segnum].sides[sidenum].uvls[i].l = 0;
1086 fp = fopen("segments.out", "wt");
1087 for (i = 0; i <= Highest_segment_index; i++) {
1088 side sides[MAX_SIDES_PER_SEGMENT]; // 6 sides
1089 short children[MAX_SIDES_PER_SEGMENT]; // indices of 6 children segments, front, left, top, right, bottom, back
1090 short verts[MAX_VERTICES_PER_SEGMENT]; // vertex ids of 4 front and 4 back vertices
1091 int objects; // pointer to objects in this segment
1093 for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
1094 sbyte type; // replaces num_faces and tri_edge, 1 = quad, 2 = 0:2 triangulation, 3 = 1:3 triangulation
1095 ubyte pad; //keep us longword alligned
1100 vms_vector normals[2]; // 2 normals, if quadrilateral, both the same.
1101 fprintf(fp, "%d\n", Segments[i].sides[j].type);
1102 fprintf(fp, "%d\n", Segments[i].sides[j].pad);
1103 fprintf(fp, "%d\n", Segments[i].sides[j].wall_num);
1104 fprintf(fp, "%d\n", Segments[i].tmap_num);
1112 Highest_vertex_index = Num_vertices-1;
1113 Highest_segment_index = Num_segments-1;
1115 validate_segment_all(); // Fill in side type and normals.
1117 for (i=0; i<Num_segments; i++) {
1118 if (Gamesave_current_version > 5)
1119 segment2_read(&Segment2s[i], LoadFile);
1120 fuelcen_activate( &Segments[i], Segment2s[i].special );
1123 reset_objects(1); //one object, the player