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
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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.
16 * Functions for loading mines in the game
33 #include "editor/editor.h"
41 #define REMOVE_EXT(s) (*(strchr( (s), '.' ))='\0')
43 fix Level_shake_frequency = 0, Level_shake_duration = 0;
44 int Secret_return_segment = 0;
45 vms_matrix Secret_return_orient;
48 struct mtfi mine_top_fileinfo; // Should be same as first two fields below...
49 struct mfi mine_fileinfo;
50 struct mh mine_header;
51 struct me mine_editor;
54 typedef struct v16_segment {
56 short segnum; // segment number, not sure what it means
58 side sides[MAX_SIDES_PER_SEGMENT]; // 6 sides
59 short children[MAX_SIDES_PER_SEGMENT]; // indices of 6 children segments, front, left, top, right, bottom, back
60 short verts[MAX_VERTICES_PER_SEGMENT]; // vertex ids of 4 front and 4 back vertices
62 short group; // group number to which the segment belongs.
64 short objects; // pointer to objects in this segment
65 ubyte special; // what type of center this is
66 sbyte matcen_num; // which center segment is associated with.
68 fix static_light; // average static light in segment
70 short pad; // make structure longword aligned
76 ushort fileinfo_signature;
77 ushort fileinfo_version;
79 int header_offset; // Stuff common to game & editor
81 int editor_offset; // Editor specific stuff
86 int newseg_verts_offset;
87 int newseg_verts_howmany;
88 int newseg_verts_sizeof;
102 int triggers_howmany;
107 int object_offset; // Object info
110 int unused_offset; // was: doors_offset
111 int unused_howmamy; // was: doors_howmany
112 int unused_sizeof; // was: doors_sizeof
113 short level_shake_frequency; // Shakes every level_shake_frequency seconds
114 short level_shake_duration; // for level_shake_duration seconds (on average, random). In 16ths second.
115 int secret_return_segment;
116 vms_matrix secret_return_orient;
118 int dl_indices_offset;
119 int dl_indices_howmany;
120 int dl_indices_sizeof;
122 int delta_light_offset;
123 int delta_light_howmany;
124 int delta_light_sizeof;
129 int CreateDefaultNewSegment(void);
131 int New_file_format_load = 1; // "new file format" is everything newer than d1 shareware
133 int d1_pig_present = 0; // can descent.pig from descent 1 be loaded?
135 /* returns nonzero if d1_tmap_num references a texture which isn't available in d2. */
136 int d1_tmap_num_unique(short d1_tmap_num) {
137 switch (d1_tmap_num) {
138 case 0: case 2: case 4: case 5: case 6: case 7: case 9:
139 case 10: case 11: case 12: case 17: case 18:
140 case 20: case 21: case 25: case 28:
141 case 38: case 39: case 41: case 44: case 49:
142 case 50: case 55: case 57: case 88:
143 case 132: case 141: case 147:
144 case 154: case 155: case 158: case 159:
145 case 160: case 161: case 167: case 168: case 169:
146 case 170: case 171: case 174: case 175: case 185:
147 case 193: case 194: case 195: case 198: case 199:
148 case 200: case 202: case 210: case 211:
149 case 220: case 226: case 227: case 228: case 229: case 230:
150 case 240: case 241: case 242: case 243: case 246:
151 case 250: case 251: case 252: case 253: case 257: case 258: case 259:
152 case 260: case 263: case 266: case 283: case 298:
153 case 315: case 317: case 319: case 320: case 321:
154 case 330: case 331: case 332: case 333: case 349:
155 case 351: case 352: case 353: case 354:
156 case 355: case 357: case 358: case 359:
157 case 362: case 370: return 1;
162 /* Converts descent 1 texture numbers to descent 2 texture numbers.
163 * Textures from d1 which are unique to d1 have extra spaces around "return".
164 * If we can load the original d1 pig, we make sure this function is bijective.
165 * This function was updated using the file config/convtabl.ini from devil 2.2.
167 short convert_d1_tmap_num(short d1_tmap_num) {
168 switch (d1_tmap_num) {
169 case 0: case 2: case 4: case 5:
170 // all refer to grey rock001 (exception to bijectivity rule)
171 return d1_pig_present ? 137 : 43; // (devil:95)
173 case 3: return 1; // rock021
174 case 6: return 270; // blue rock002
175 case 7: return 271; // yellow rock265
176 case 8: return 2; // rock004
177 case 9: return d1_pig_present ? 138 : 62; // purple (devil:179)
178 case 10: return 272; // red rock006
179 case 11: return d1_pig_present ? 139 : 117;
180 case 12: return d1_pig_present ? 140 : 12; //devil:43
181 case 13: return 3; // rock014
182 case 14: return 4; // rock019
183 case 15: return 5; // rock020
185 case 17: return d1_pig_present ? 141 : 52;
188 case 20: return d1_pig_present ? 142 : 22;
189 case 21: return d1_pig_present ? 143 : 9;
193 case 25: return d1_pig_present ? 144 : 12; //devil:35
196 case 28: return d1_pig_present ? 145 : 11; //devil:43
197 //range handled by default case, returns 13..21 (- 16)
198 case 38: return 163; //devil:27
199 case 39: return 147; //31
204 case 44: return 136; //devil:135
209 case 49: return d1_pig_present ? 146 : 43; //devil:60
210 case 50: return 131; //devil:138
215 case 55: return 165; //devil:193
217 case 57: return 132; //devil:119
218 // range handled by default case, returns 34..63 (- 24)
219 case 88: return 197; //devil:15
220 // range handled by default case, returns 64..106 (- 25)
221 case 132: return 167;
222 // range handled by default case, returns 107..114 (- 26)
223 case 141: return d1_pig_present ? 148 : 110; //devil:106
224 case 142: return 115;
225 case 143: return 116;
226 case 144: return 117;
227 case 145: return 118;
228 case 146: return 119;
229 case 147: return d1_pig_present ? 149 : 93;
230 case 148: return 120;
231 case 149: return 121;
232 case 150: return 122;
233 case 151: return 123;
234 case 152: return 124;
235 case 153: return 125; // rock263
236 case 154: return d1_pig_present ? 150 : 27;
237 case 155: return 126; // rock269
238 case 156: return 200; // metl002
239 case 157: return 201; // metl003
240 case 158: return 186; //devil:227
241 case 159: return 190; //devil:246
242 case 160: return d1_pig_present ? 151 : 206;
243 case 161: return d1_pig_present ? 152 : 114; //devil:206
244 case 162: return 202;
245 case 163: return 203;
246 case 164: return 204;
247 case 165: return 205;
248 case 166: return 206;
249 case 167: return d1_pig_present ? 153 : 206;
250 case 168: return d1_pig_present ? 154 : 206;
251 case 169: return d1_pig_present ? 155 : 206;
252 case 170: return d1_pig_present ? 156 : 227;//206;
253 case 171: return d1_pig_present ? 157 : 206;//227;
254 case 172: return 207;
255 case 173: return 208;
256 case 174: return d1_pig_present ? 158 : 202;
257 case 175: return d1_pig_present ? 159 : 206;
258 // range handled by default case, returns 209..217 (+ 33)
259 case 185: return d1_pig_present ? 160 : 217;
260 // range handled by default case, returns 218..224 (+ 32)
261 case 193: return d1_pig_present ? 161 : 206;
262 case 194: return d1_pig_present ? 162 : 203;//206;
263 case 195: return d1_pig_present ? 166 : 234;
264 case 196: return 225;
265 case 197: return 226;
266 case 198: return d1_pig_present ? 193 : 225;
267 case 199: return d1_pig_present ? 168 : 206; //devil:204
268 case 200: return d1_pig_present ? 169 : 206; //devil:204
269 case 201: return 227;
270 case 202: return d1_pig_present ? 170 : 206; //devil:227
271 // range handled by default case, returns 228..234 (+ 25)
272 case 210: return d1_pig_present ? 171 : 234; //devil:242
273 case 211: return d1_pig_present ? 172 : 206; //devil:240
274 // range handled by default case, returns 235..242 (+ 23)
275 case 220: return d1_pig_present ? 173 : 242; //devil:240
276 case 221: return 243;
277 case 222: return 244;
278 case 223: return d1_pig_present ? 174 : 313;
279 case 224: return 245;
280 case 225: return 246;
281 case 226: return 164;//247; matching names but not matching textures
282 case 227: return 179; //devil:181
283 case 228: return 196;//248; matching names but not matching textures
284 case 229: return d1_pig_present ? 175 : 15; //devil:66
285 case 230: return d1_pig_present ? 176 : 15; //devil:66
286 // range handled by default case, returns 249..257 (+ 18)
287 case 240: return d1_pig_present ? 177 : 6; //devil:132
288 case 241: return 130; //devil:131
289 case 242: return d1_pig_present ? 178 : 78; //devil:15
290 case 243: return d1_pig_present ? 180 : 33; //devil:38
291 case 244: return 258;
292 case 245: return 259;
293 case 246: return d1_pig_present ? 181 : 321; // grate metl127
294 case 247: return 260;
295 case 248: return 261;
296 case 249: return 262;
297 case 250: return 340; // white doorframe metl126
298 case 251: return 412; // red doorframe metl133
299 case 252: return 410; // blue doorframe metl134
300 case 253: return 411; // yellow doorframe metl135
301 case 254: return 263; // metl136
302 case 255: return 264; // metl139
303 case 256: return 265; // metl140
304 case 257: return d1_pig_present ? 182 : 249;//246; brig001
305 case 258: return d1_pig_present ? 183 : 251;//246; brig002
306 case 259: return d1_pig_present ? 184 : 252;//246; brig003
307 case 260: return d1_pig_present ? 185 : 256;//246; brig004
308 case 261: return 273; // exit01
309 case 262: return 274; // exit02
310 case 263: return d1_pig_present ? 187 : 281; // ceil001
311 case 264: return 275; // ceil002
312 case 265: return 276; // ceil003
313 case 266: return d1_pig_present ? 188 : 279; //devil:291
314 // range handled by default case, returns 277..291 (+ 10)
315 case 282: return 293;
316 case 283: return d1_pig_present ? 189 : 295;
317 case 284: return 295;
318 case 285: return 296;
319 case 286: return 298;
320 // range handled by default case, returns 300..310 (+ 13)
321 case 298: return d1_pig_present ? 191 : 364; // devil:374 misc010
322 // range handled by default case, returns 311..326 (+ 12)
323 case 315: return d1_pig_present ? 192 : 361; // bad producer misc044
324 // range handled by default case, returns 327..337 (+ 11)
325 case 327: return 352; // arw01
326 case 328: return 353; // misc17
327 case 329: return 354; // fan01
328 case 330: return 380; // mntr04
329 case 331: return 379;//373; matching names but not matching textures
330 case 332: return 355;//344; matching names but not matching textures
331 case 333: return 409; // lava misc11 //devil:404
332 case 334: return 356; // ctrl04
333 case 335: return 357; // ctrl01
334 case 336: return 358; // ctrl02
335 case 337: return 359; // ctrl03
336 case 338: return 360; // misc14
337 case 339: return 361; // producer misc16
338 case 340: return 362; // misc049
339 case 341: return 364; // misc060
340 case 342: return 363; // blown01
341 case 343: return 366; // misc061
342 case 344: return 365;
343 case 345: return 368;
344 case 346: return 376;
345 case 347: return 370;
346 case 348: return 367;
347 case 349: return 372;
348 case 350: return 369;
349 case 351: return 374;//429; matching names but not matching textures
350 case 352: return 375;//387; matching names but not matching textures
351 case 353: return 371;
352 case 354: return 377;//425; matching names but not matching textures
353 case 355: return 408;
354 case 356: return 378; // lava02
355 case 357: return 383;//384; matching names but not matching textures
356 case 358: return 384;//385; matching names but not matching textures
357 case 359: return 385;//386; matching names but not matching textures
358 case 360: return 386;
359 case 361: return 387;
360 case 362: return d1_pig_present ? 194 : 388; // mntr04b (devil: -1)
361 case 363: return 388;
362 case 364: return 391;
363 case 365: return 392;
364 case 366: return 393;
365 case 367: return 394;
366 case 368: return 395;
367 case 369: return 396;
368 case 370: return d1_pig_present ? 195 : 392; // mntr04d (devil: -1)
369 // range 371..584 handled by default case (wall01 and door frames)
372 if (d1_tmap_num >= 29 && d1_tmap_num <= 37)
373 return d1_tmap_num - 16;
374 if (d1_tmap_num >= 58 && d1_tmap_num <= 87)
375 return d1_tmap_num - 24;
376 if (d1_tmap_num >= 89 && d1_tmap_num <= 131)
377 return d1_tmap_num - 25;
378 if (d1_tmap_num >= 133 && d1_tmap_num <= 140)
379 return d1_tmap_num - 26;
380 if (d1_tmap_num >= 176 && d1_tmap_num <= 184)
381 return d1_tmap_num + 33;
382 if (d1_tmap_num >= 186 && d1_tmap_num <= 192)
383 return d1_tmap_num + 32;
384 if (d1_tmap_num >= 203 && d1_tmap_num <= 209)
385 return d1_tmap_num + 25;
386 if (d1_tmap_num >= 212 && d1_tmap_num <= 219)
387 return d1_tmap_num + 23;
388 if (d1_tmap_num >= 231 && d1_tmap_num <= 239)
389 return d1_tmap_num + 18;
390 if (d1_tmap_num >= 267 && d1_tmap_num <= 281)
391 return d1_tmap_num + 10;
392 if (d1_tmap_num >= 287 && d1_tmap_num <= 297)
393 return d1_tmap_num + 13;
394 if (d1_tmap_num >= 299 && d1_tmap_num <= 314)
395 return d1_tmap_num + 12;
396 if (d1_tmap_num >= 316 && d1_tmap_num <= 326)
397 return d1_tmap_num + 11; // matching names but not matching textures
398 // wall01 and door frames:
399 if (d1_tmap_num > 370 && d1_tmap_num < 584) {
400 if (New_file_format_load) return d1_tmap_num + 64;
401 // d1 shareware needs special treatment:
402 if (d1_tmap_num < 410) return d1_tmap_num + 68;
403 if (d1_tmap_num < 417) return d1_tmap_num + 73;
404 if (d1_tmap_num < 446) return d1_tmap_num + 91;
405 if (d1_tmap_num < 453) return d1_tmap_num + 104;
406 if (d1_tmap_num < 462) return d1_tmap_num + 111;
407 if (d1_tmap_num < 486) return d1_tmap_num + 117;
408 if (d1_tmap_num < 494) return d1_tmap_num + 141;
409 if (d1_tmap_num < 584) return d1_tmap_num + 147;
411 { // handle rare case where orientation != 0
412 short tmap_num = d1_tmap_num & TMAP_NUM_MASK;
413 short orient = d1_tmap_num & ~TMAP_NUM_MASK;
415 return orient | convert_d1_tmap_num(tmap_num);
417 Warning("can't convert unknown descent 1 texture #%d.\n", tmap_num);
426 static char old_tmap_list[MAX_TEXTURES][FILENAME_LEN];
427 short tmap_xlate_table[MAX_TEXTURES];
428 static short tmap_times_used[MAX_TEXTURES];
430 // -----------------------------------------------------------------------------
431 //loads from an already-open file
432 // returns 0=everything ok, 1=old version, -1=error
433 int load_mine_data(CFILE *LoadFile)
435 int i, j,oldsizeadjust;
439 int mine_start = cftell(LoadFile);
441 oldsizeadjust=(sizeof(int)*2)+sizeof (vms_matrix);
444 for (i=0; i<MAX_TEXTURES; i++ )
445 tmap_times_used[i] = 0;
448 // Create a new mine to initialize things.
449 //texpage_goto_first();
453 //===================== READ FILE INFO ========================
455 // These are the default values... version and fileinfo_sizeof
456 // don't have defaults.
457 mine_fileinfo.header_offset = -1;
458 mine_fileinfo.header_size = sizeof(mine_header);
459 mine_fileinfo.editor_offset = -1;
460 mine_fileinfo.editor_size = sizeof(mine_editor);
461 mine_fileinfo.vertex_offset = -1;
462 mine_fileinfo.vertex_howmany = 0;
463 mine_fileinfo.vertex_sizeof = sizeof(vms_vector);
464 mine_fileinfo.segment_offset = -1;
465 mine_fileinfo.segment_howmany = 0;
466 mine_fileinfo.segment_sizeof = sizeof(segment);
467 mine_fileinfo.newseg_verts_offset = -1;
468 mine_fileinfo.newseg_verts_howmany = 0;
469 mine_fileinfo.newseg_verts_sizeof = sizeof(vms_vector);
470 mine_fileinfo.group_offset = -1;
471 mine_fileinfo.group_howmany = 0;
472 mine_fileinfo.group_sizeof = sizeof(group);
473 mine_fileinfo.texture_offset = -1;
474 mine_fileinfo.texture_howmany = 0;
475 mine_fileinfo.texture_sizeof = FILENAME_LEN; // num characters in a name
476 mine_fileinfo.walls_offset = -1;
477 mine_fileinfo.walls_howmany = 0;
478 mine_fileinfo.walls_sizeof = sizeof(wall);
479 mine_fileinfo.triggers_offset = -1;
480 mine_fileinfo.triggers_howmany = 0;
481 mine_fileinfo.triggers_sizeof = sizeof(trigger);
482 mine_fileinfo.object_offset = -1;
483 mine_fileinfo.object_howmany = 1;
484 mine_fileinfo.object_sizeof = sizeof(object);
486 mine_fileinfo.level_shake_frequency = 0;
487 mine_fileinfo.level_shake_duration = 0;
489 // Delta light stuff for blowing out light sources.
490 // if (mine_top_fileinfo.fileinfo_version >= 19) {
491 mine_fileinfo.dl_indices_offset = -1;
492 mine_fileinfo.dl_indices_howmany = 0;
493 mine_fileinfo.dl_indices_sizeof = sizeof(dl_index);
495 mine_fileinfo.delta_light_offset = -1;
496 mine_fileinfo.delta_light_howmany = 0;
497 mine_fileinfo.delta_light_sizeof = sizeof(delta_light);
501 mine_fileinfo.segment2_offset = -1;
502 mine_fileinfo.segment2_howmany = 0;
503 mine_fileinfo.segment2_sizeof = sizeof(segment2);
505 // Read in mine_top_fileinfo to get size of saved fileinfo.
507 memset( &mine_top_fileinfo, 0, sizeof(mine_top_fileinfo) );
509 if (cfseek( LoadFile, mine_start, SEEK_SET ))
510 Error( "Error moving to top of file in gamemine.c" );
512 if (cfread( &mine_top_fileinfo, sizeof(mine_top_fileinfo), 1, LoadFile )!=1)
513 Error( "Error reading mine_top_fileinfo in gamemine.c" );
515 if (mine_top_fileinfo.fileinfo_signature != 0x2884)
518 // Check version number
519 if (mine_top_fileinfo.fileinfo_version < COMPATIBLE_VERSION )
522 // Now, Read in the fileinfo
523 if (cfseek( LoadFile, mine_start, SEEK_SET ))
524 Error( "Error seeking to top of file in gamemine.c" );
526 if (cfread( &mine_fileinfo, mine_top_fileinfo.fileinfo_sizeof, 1, LoadFile )!=1)
527 Error( "Error reading mine_fileinfo in gamemine.c" );
529 if (mine_top_fileinfo.fileinfo_version < 18) {
530 mprintf((1, "Old version, setting shake intensity to 0.\n"));
531 Level_shake_frequency = 0;
532 Level_shake_duration = 0;
533 Secret_return_segment = 0;
534 Secret_return_orient = vmd_identity_matrix;
536 Level_shake_frequency = mine_fileinfo.level_shake_frequency << 12;
537 Level_shake_duration = mine_fileinfo.level_shake_duration << 12;
538 Secret_return_segment = mine_fileinfo.secret_return_segment;
539 Secret_return_orient = mine_fileinfo.secret_return_orient;
542 //===================== READ HEADER INFO ========================
544 // Set default values.
545 mine_header.num_vertices = 0;
546 mine_header.num_segments = 0;
548 if (mine_fileinfo.header_offset > -1 )
550 if (cfseek( LoadFile, mine_fileinfo.header_offset, SEEK_SET ))
551 Error( "Error seeking to header_offset in gamemine.c" );
553 if (cfread( &mine_header, mine_fileinfo.header_size, 1, LoadFile )!=1)
554 Error( "Error reading mine_header in gamemine.c" );
557 //===================== READ EDITOR INFO ==========================
559 // Set default values
560 mine_editor.current_seg = 0;
561 mine_editor.newsegment_offset = -1; // To be written
562 mine_editor.newsegment_size = sizeof(segment);
563 mine_editor.Curside = 0;
564 mine_editor.Markedsegp = -1;
565 mine_editor.Markedside = 0;
567 if (mine_fileinfo.editor_offset > -1 )
569 if (cfseek( LoadFile, mine_fileinfo.editor_offset, SEEK_SET ))
570 Error( "Error seeking to editor_offset in gamemine.c" );
572 if (cfread( &mine_editor, mine_fileinfo.editor_size, 1, LoadFile )!=1)
573 Error( "Error reading mine_editor in gamemine.c" );
576 //===================== READ TEXTURE INFO ==========================
578 if ( (mine_fileinfo.texture_offset > -1) && (mine_fileinfo.texture_howmany > 0))
580 if (cfseek( LoadFile, mine_fileinfo.texture_offset, SEEK_SET ))
581 Error( "Error seeking to texture_offset in gamemine.c" );
583 for (i=0; i< mine_fileinfo.texture_howmany; i++ )
585 if (cfread( &old_tmap_list[i], mine_fileinfo.texture_sizeof, 1, LoadFile )!=1)
586 Error( "Error reading old_tmap_list[i] in gamemine.c" );
590 //=============== GENERATE TEXTURE TRANSLATION TABLE ===============
594 Assert (NumTextures < MAX_TEXTURES);
599 hashtable_init( &ht, NumTextures );
601 // Remove all the file extensions in the textures list
603 for (i=0;i<NumTextures;i++) {
604 temptr = strchr(TmapInfo[i].filename, '.');
605 if (temptr) *temptr = '\0';
606 hashtable_insert( &ht, TmapInfo[i].filename, i );
609 // For every texture, search through the texture list
610 // to find a matching name.
611 for (j=0;j<mine_fileinfo.texture_howmany;j++) {
612 // Remove this texture name's extension
613 temptr = strchr(old_tmap_list[j], '.');
614 if (temptr) *temptr = '\0';
616 tmap_xlate_table[j] = hashtable_search( &ht,old_tmap_list[j]);
617 if (tmap_xlate_table[j] < 0 ) {
618 //tmap_xlate_table[j] = 0;
619 // mprintf( (0, "Couldn't find texture '%s'\n", old_tmap_list[j] ));
622 if (tmap_xlate_table[j] != j ) translate = 1;
623 if (tmap_xlate_table[j] >= 0)
624 tmap_times_used[tmap_xlate_table[j]]++;
629 for (i=0; i<MAX_TEXTURES; i++ )
630 if (tmap_times_used[i])
632 mprintf( (0, "This mine has %d unique textures in it (~%d KB)\n", count, (count*4096) /1024 ));
635 // -- mprintf( (0, "Translate=%d\n", translate ));
637 hashtable_free( &ht );
640 //====================== READ VERTEX INFO ==========================
642 // New check added to make sure we don't read in too many vertices.
643 if ( mine_fileinfo.vertex_howmany > MAX_VERTICES )
645 mprintf((0, "Num vertices exceeds maximum. Loading MAX %d vertices\n", MAX_VERTICES));
646 mine_fileinfo.vertex_howmany = MAX_VERTICES;
649 if ( (mine_fileinfo.vertex_offset > -1) && (mine_fileinfo.vertex_howmany > 0))
651 if (cfseek( LoadFile, mine_fileinfo.vertex_offset, SEEK_SET ))
652 Error( "Error seeking to vertex_offset in gamemine.c" );
654 for (i=0; i< mine_fileinfo.vertex_howmany; i++ )
656 // Set the default values for this vertex
661 if (cfread( &Vertices[i], mine_fileinfo.vertex_sizeof, 1, LoadFile )!=1)
662 Error( "Error reading Vertices[i] in gamemine.c" );
666 //==================== READ SEGMENT INFO ===========================
668 // New check added to make sure we don't read in too many segments.
669 if ( mine_fileinfo.segment_howmany > MAX_SEGMENTS ) {
670 mprintf((0, "Num segments exceeds maximum. Loading MAX %d segments\n", MAX_SEGMENTS));
671 mine_fileinfo.segment_howmany = MAX_SEGMENTS;
672 mine_fileinfo.segment2_howmany = MAX_SEGMENTS;
675 // [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();
677 if ( (mine_fileinfo.segment_offset > -1) && (mine_fileinfo.segment_howmany > 0)) {
679 if (cfseek( LoadFile, mine_fileinfo.segment_offset,SEEK_SET ))
681 Error( "Error seeking to segment_offset in gamemine.c" );
683 Highest_segment_index = mine_fileinfo.segment_howmany-1;
685 for (i=0; i< mine_fileinfo.segment_howmany; i++ ) {
687 // Set the default values for this segment (clear to zero )
688 //memset( &Segments[i], 0, sizeof(segment) );
690 if (mine_top_fileinfo.fileinfo_version < 20) {
693 Assert(mine_fileinfo.segment_sizeof == sizeof(v16_seg));
695 if (cfread( &v16_seg, mine_fileinfo.segment_sizeof, 1, LoadFile )!=1)
696 Error( "Error reading segments in gamemine.c" );
699 Segments[i].segnum = v16_seg.segnum;
700 // -- Segments[i].pad = v16_seg.pad;
703 for (j=0; j<MAX_SIDES_PER_SEGMENT; j++)
704 Segments[i].sides[j] = v16_seg.sides[j];
706 for (j=0; j<MAX_SIDES_PER_SEGMENT; j++)
707 Segments[i].children[j] = v16_seg.children[j];
709 for (j=0; j<MAX_VERTICES_PER_SEGMENT; j++)
710 Segments[i].verts[j] = v16_seg.verts[j];
712 Segment2s[i].special = v16_seg.special;
713 Segment2s[i].value = v16_seg.value;
714 Segment2s[i].s2_flags = 0;
715 Segment2s[i].matcen_num = v16_seg.matcen_num;
716 Segment2s[i].static_light = v16_seg.static_light;
717 fuelcen_activate( &Segments[i], Segment2s[i].special );
720 if (cfread( &Segments[i], mine_fileinfo.segment_sizeof, 1, LoadFile )!=1)
721 Error("Unable to read segment %i\n", i);
724 Segments[i].objects = -1;
726 Segments[i].group = -1;
729 if (mine_top_fileinfo.fileinfo_version < 15) { //used old uvl ranges
732 for (sn=0;sn<MAX_SIDES_PER_SEGMENT;sn++)
733 for (uvln=0;uvln<4;uvln++) {
734 Segments[i].sides[sn].uvls[uvln].u /= 64;
735 Segments[i].sides[sn].uvls[uvln].v /= 64;
736 Segments[i].sides[sn].uvls[uvln].l /= 32;
741 for (j=0;j<MAX_SIDES_PER_SEGMENT;j++) {
742 unsigned short orient;
743 tmap_xlate = Segments[i].sides[j].tmap_num;
744 Segments[i].sides[j].tmap_num = tmap_xlate_table[tmap_xlate];
745 if ((WALL_IS_DOORWAY(&Segments[i],j) & WID_RENDER_FLAG))
746 if (Segments[i].sides[j].tmap_num < 0) {
747 mprintf( (0, "Couldn't find texture '%s' for Segment %d, side %d\n", old_tmap_list[tmap_xlate],i,j));
749 Segments[i].sides[j].tmap_num = NumTextures-1;
751 tmap_xlate = Segments[i].sides[j].tmap_num2 & TMAP_NUM_MASK;
752 orient = Segments[i].sides[j].tmap_num2 & (~TMAP_NUM_MASK);
753 if (tmap_xlate != 0) {
754 int xlated_tmap = tmap_xlate_table[tmap_xlate];
756 if ((WALL_IS_DOORWAY(&Segments[i],j) & WID_RENDER_FLAG))
757 if (xlated_tmap <= 0) {
758 mprintf( (0, "Couldn't find texture '%s' for Segment %d, side %d\n", old_tmap_list[tmap_xlate],i,j));
760 Segments[i].sides[j].tmap_num2 = NumTextures-1;
762 Segments[i].sides[j].tmap_num2 = xlated_tmap | orient;
768 if (mine_top_fileinfo.fileinfo_version >= 20)
769 for (i=0; i<=Highest_segment_index; i++) {
770 cfread(&Segment2s[i], sizeof(segment2), 1, LoadFile);
771 fuelcen_activate( &Segments[i], Segment2s[i].special );
775 //===================== READ NEWSEGMENT INFO =====================
779 { // Default segment created.
781 med_create_new_segment(vm_vec_make(&sizevec,DEFAULT_X_SIZE,DEFAULT_Y_SIZE,DEFAULT_Z_SIZE)); // New_segment = Segments[0];
782 //memset( &New_segment, 0, sizeof(segment) );
785 if (mine_editor.newsegment_offset > -1)
787 if (cfseek( LoadFile, mine_editor.newsegment_offset,SEEK_SET ))
788 Error( "Error seeking to newsegment_offset in gamemine.c" );
789 if (cfread( &New_segment, mine_editor.newsegment_size,1,LoadFile )!=1)
790 Error( "Error reading new_segment in gamemine.c" );
793 if ( (mine_fileinfo.newseg_verts_offset > -1) && (mine_fileinfo.newseg_verts_howmany > 0))
795 if (cfseek( LoadFile, mine_fileinfo.newseg_verts_offset, SEEK_SET ))
796 Error( "Error seeking to newseg_verts_offset in gamemine.c" );
797 for (i=0; i< mine_fileinfo.newseg_verts_howmany; i++ )
799 // Set the default values for this vertex
800 Vertices[NEW_SEGMENT_VERTICES+i].x = 1;
801 Vertices[NEW_SEGMENT_VERTICES+i].y = 1;
802 Vertices[NEW_SEGMENT_VERTICES+i].z = 1;
804 if (cfread( &Vertices[NEW_SEGMENT_VERTICES+i], mine_fileinfo.newseg_verts_sizeof,1,LoadFile )!=1)
805 Error( "Error reading Vertices[NEW_SEGMENT_VERTICES+i] in gamemine.c" );
807 New_segment.verts[i] = NEW_SEGMENT_VERTICES+i;
813 //========================= UPDATE VARIABLES ======================
817 // Setting to Markedsegp to NULL ignores Curside and Markedside, which
818 // we want to do when reading in an old file.
820 Markedside = mine_editor.Markedside;
821 Curside = mine_editor.Curside;
823 Groupside[i] = mine_editor.Groupside[i];
825 if ( mine_editor.current_seg != -1 )
826 Cursegp = &Segments[mine_editor.current_seg];
830 if (mine_editor.Markedsegp != -1 )
831 Markedsegp = &Segments[mine_editor.Markedsegp];
840 Num_vertices = mine_fileinfo.vertex_howmany;
841 Num_segments = mine_fileinfo.segment_howmany;
842 Highest_vertex_index = Num_vertices-1;
843 Highest_segment_index = Num_segments-1;
845 reset_objects(1); //one object, the player
848 Highest_vertex_index = MAX_SEGMENT_VERTICES-1;
849 Highest_segment_index = MAX_SEGMENTS-1;
851 Highest_vertex_index = Num_vertices-1;
852 Highest_segment_index = Num_segments-1;
854 warn_if_concave_segments();
858 validate_segment_all();
861 //create_local_segment_data();
863 //gamemine_find_textures();
865 if (mine_top_fileinfo.fileinfo_version < MINE_VERSION )
866 return 1; //old version
873 #define COMPILED_MINE_VERSION 0
875 void read_children(int segnum,ubyte bit_mask,CFILE *LoadFile)
879 for (bit=0; bit<MAX_SIDES_PER_SEGMENT; bit++) {
880 if (bit_mask & (1 << bit)) {
881 Segments[segnum].children[bit] = cfile_read_short(LoadFile);
883 Segments[segnum].children[bit] = -1;
887 void read_verts(int segnum,CFILE *LoadFile)
890 // Read short Segments[segnum].verts[MAX_VERTICES_PER_SEGMENT]
891 for (i = 0; i < MAX_VERTICES_PER_SEGMENT; i++)
892 Segments[segnum].verts[i] = cfile_read_short(LoadFile);
895 void read_special(int segnum,ubyte bit_mask,CFILE *LoadFile)
897 if (bit_mask & (1 << MAX_SIDES_PER_SEGMENT)) {
898 // Read ubyte Segment2s[segnum].special
899 Segment2s[segnum].special = cfile_read_byte(LoadFile);
900 // Read byte Segment2s[segnum].matcen_num
901 Segment2s[segnum].matcen_num = cfile_read_byte(LoadFile);
902 // Read short Segment2s[segnum].value
903 Segment2s[segnum].value = cfile_read_short(LoadFile);
905 Segment2s[segnum].special = 0;
906 Segment2s[segnum].matcen_num = -1;
907 Segment2s[segnum].value = 0;
911 int load_mine_data_compiled(CFILE *LoadFile)
913 int i, segnum, sidenum;
914 ubyte compiled_version;
916 ushort temp_ushort = 0;
919 d1_pig_present = cfexist(D1_PIGFILE);
920 #if 0 // the following will be deleted once reading old pigfiles works reliably
921 if (d1_pig_present) {
922 CFILE * d1_Piggy_fp = cfopen( D1_PIGFILE, "rb" );
923 switch (cfilelength(d1_Piggy_fp)) {
924 case D1_SHARE_BIG_PIGSIZE:
925 case D1_SHARE_10_PIGSIZE:
926 case D1_SHARE_PIGSIZE:
927 case D1_10_BIG_PIGSIZE:
929 //d1_pig_present = 0;
931 cfclose (d1_Piggy_fp);
935 if (!strcmp(strchr(Gamesave_current_filename, '.'), ".sdl"))
936 New_file_format_load = 0; // descent 1 shareware
938 New_file_format_load = 1;
940 // For compiled levels, textures map to themselves, prevent tmap_override always being gray,
941 // bug which Matt and John refused to acknowledge, so here is Mike, fixing it.
943 for (i=0; i<MAX_TEXTURES; i++)
944 tmap_xlate_table[i] = i;
947 // memset( Segments, 0, sizeof(segment)*MAX_SEGMENTS );
950 //=============================== Reading part ==============================
951 compiled_version = cfile_read_byte(LoadFile);
952 //Assert( compiled_version==COMPILED_MINE_VERSION );
953 if (compiled_version!=COMPILED_MINE_VERSION)
954 mprintf((0,"compiled mine version=%i\n", compiled_version)); //many levels have "wrong" versions. Theres no point in aborting because of it, I think.
956 if (New_file_format_load)
957 Num_vertices = cfile_read_short(LoadFile);
959 Num_vertices = cfile_read_int(LoadFile);
960 Assert( Num_vertices <= MAX_VERTICES );
962 if (New_file_format_load)
963 Num_segments = cfile_read_short(LoadFile);
965 Num_segments = cfile_read_int(LoadFile);
966 Assert( Num_segments <= MAX_SEGMENTS );
968 for (i = 0; i < Num_vertices; i++)
969 cfile_read_vector( &(Vertices[i]), LoadFile);
971 for (segnum=0; segnum<Num_segments; segnum++ ) {
974 Segments[segnum].segnum = segnum;
975 Segments[segnum].group = 0;
978 if (New_file_format_load)
979 bit_mask = cfile_read_byte(LoadFile);
981 bit_mask = 0x7f; // read all six children and special stuff...
983 if (Gamesave_current_version == 5) { // d2 SHAREWARE level
984 read_special(segnum,bit_mask,LoadFile);
985 read_verts(segnum,LoadFile);
986 read_children(segnum,bit_mask,LoadFile);
988 read_children(segnum,bit_mask,LoadFile);
989 read_verts(segnum,LoadFile);
990 if (Gamesave_current_version <= 1) { // descent 1 level
991 read_special(segnum,bit_mask,LoadFile);
995 Segments[segnum].objects = -1;
997 if (Gamesave_current_version <= 5) { // descent 1 thru d2 SHAREWARE level
998 // Read fix Segments[segnum].static_light (shift down 5 bits, write as short)
999 temp_ushort = cfile_read_short(LoadFile);
1000 Segment2s[segnum].static_light = ((fix)temp_ushort) << 4;
1001 //cfread( &Segments[segnum].static_light, sizeof(fix), 1, LoadFile );
1004 // Read the walls as a 6 byte array
1005 for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++ ) {
1006 Segments[segnum].sides[sidenum].pad = 0;
1009 if (New_file_format_load)
1010 bit_mask = cfile_read_byte(LoadFile);
1012 bit_mask = 0x3f; // read all six sides
1013 for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++) {
1016 if (bit_mask & (1 << sidenum)) {
1017 byte_wallnum = cfile_read_byte(LoadFile);
1018 if ( byte_wallnum == 255 )
1019 Segments[segnum].sides[sidenum].wall_num = -1;
1021 Segments[segnum].sides[sidenum].wall_num = byte_wallnum;
1023 Segments[segnum].sides[sidenum].wall_num = -1;
1026 for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++ ) {
1028 if ( (Segments[segnum].children[sidenum]==-1) || (Segments[segnum].sides[sidenum].wall_num!=-1) ) {
1029 // Read short Segments[segnum].sides[sidenum].tmap_num;
1030 if (New_file_format_load) {
1031 temp_ushort = cfile_read_short(LoadFile);
1032 Segments[segnum].sides[sidenum].tmap_num = temp_ushort & 0x7fff;
1034 Segments[segnum].sides[sidenum].tmap_num = cfile_read_short(LoadFile);
1036 if (Gamesave_current_version <= 1)
1037 Segments[segnum].sides[sidenum].tmap_num = convert_d1_tmap_num(Segments[segnum].sides[sidenum].tmap_num);
1039 if (New_file_format_load && !(temp_ushort & 0x8000))
1040 Segments[segnum].sides[sidenum].tmap_num2 = 0;
1042 // Read short Segments[segnum].sides[sidenum].tmap_num2;
1043 Segments[segnum].sides[sidenum].tmap_num2 = cfile_read_short(LoadFile);
1044 if (Gamesave_current_version <= 1 && Segments[segnum].sides[sidenum].tmap_num2 != 0)
1045 Segments[segnum].sides[sidenum].tmap_num2 = convert_d1_tmap_num(Segments[segnum].sides[sidenum].tmap_num2);
1048 // Read uvl Segments[segnum].sides[sidenum].uvls[4] (u,v>>5, write as short, l>>1 write as short)
1049 for (i=0; i<4; i++ ) {
1050 temp_short = cfile_read_short(LoadFile);
1051 Segments[segnum].sides[sidenum].uvls[i].u = ((fix)temp_short) << 5;
1052 temp_short = cfile_read_short(LoadFile);
1053 Segments[segnum].sides[sidenum].uvls[i].v = ((fix)temp_short) << 5;
1054 temp_ushort = cfile_read_short(LoadFile);
1055 Segments[segnum].sides[sidenum].uvls[i].l = ((fix)temp_ushort) << 1;
1056 //cfread( &Segments[segnum].sides[sidenum].uvls[i].l, sizeof(fix), 1, LoadFile );
1059 Segments[segnum].sides[sidenum].tmap_num = 0;
1060 Segments[segnum].sides[sidenum].tmap_num2 = 0;
1061 for (i=0; i<4; i++ ) {
1062 Segments[segnum].sides[sidenum].uvls[i].u = 0;
1063 Segments[segnum].sides[sidenum].uvls[i].v = 0;
1064 Segments[segnum].sides[sidenum].uvls[i].l = 0;
1074 fp = fopen("segments.out", "wt");
1075 for (i = 0; i <= Highest_segment_index; i++) {
1076 side sides[MAX_SIDES_PER_SEGMENT]; // 6 sides
1077 short children[MAX_SIDES_PER_SEGMENT]; // indices of 6 children segments, front, left, top, right, bottom, back
1078 short verts[MAX_VERTICES_PER_SEGMENT]; // vertex ids of 4 front and 4 back vertices
1079 int objects; // pointer to objects in this segment
1081 for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
1082 sbyte type; // replaces num_faces and tri_edge, 1 = quad, 2 = 0:2 triangulation, 3 = 1:3 triangulation
1083 ubyte pad; //keep us longword alligned
1088 vms_vector normals[2]; // 2 normals, if quadrilateral, both the same.
1089 fprintf(fp, "%d\n", Segments[i].sides[j].type);
1090 fprintf(fp, "%d\n", Segments[i].sides[j].pad);
1091 fprintf(fp, "%d\n", Segments[i].sides[j].wall_num);
1092 fprintf(fp, "%d\n", Segments[i].tmap_num);
1100 Highest_vertex_index = Num_vertices-1;
1101 Highest_segment_index = Num_segments-1;
1103 validate_segment_all(); // Fill in side type and normals.
1105 for (i=0; i<Num_segments; i++) {
1106 if (Gamesave_current_version > 5)
1107 segment2_read(&Segment2s[i], LoadFile);
1108 fuelcen_activate( &Segments[i], Segment2s[i].special );
1111 reset_objects(1); //one object, the player