1 /*
2 ===========================================================================
3 Copyright (C) 1997-2006 Id Software, Inc.
4 
5 This file is part of Quake 2 Tools source code.
6 
7 Quake 2 Tools source code is free software; you can redistribute it
8 and/or modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2 of the License,
10 or (at your option) any later version.
11 
12 Quake 2 Tools source code is distributed in the hope that it will be
13 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 GNU General Public License for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with Quake 2 Tools source code; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
20 ===========================================================================
21 */
22 
23 #include "cmdlib.h"
24 #include "mathlib.h"
25 #include "bspfile.h"
26 #include "scriplib.h"
27 
28 void GetLeafNums (void);
29 
30 //=============================================================================
31 
32 int			nummodels;
33 dmodel_t	dmodels[MAX_MAP_MODELS];
34 
35 int			visdatasize;
36 byte		dvisdata[MAX_MAP_VISIBILITY];
37 dvis_t		*dvis = (dvis_t *)dvisdata;
38 
39 int			lightdatasize;
40 byte		dlightdata[MAX_MAP_LIGHTING];
41 
42 int			entdatasize;
43 char		dentdata[MAX_MAP_ENTSTRING];
44 
45 int			numleafs;
46 dleaf_t		dleafs[MAX_MAP_LEAFS];
47 
48 int			numplanes;
49 dplane_t	dplanes[MAX_MAP_PLANES];
50 
51 int			numvertexes;
52 dvertex_t	dvertexes[MAX_MAP_VERTS];
53 
54 int			numnodes;
55 dnode_t		dnodes[MAX_MAP_NODES];
56 
57 int			numtexinfo;
58 texinfo_t	texinfo[MAX_MAP_TEXINFO];
59 
60 int			numfaces;
61 dface_t		dfaces[MAX_MAP_FACES];
62 
63 int			numedges;
64 dedge_t		dedges[MAX_MAP_EDGES];
65 
66 int			numleaffaces;
67 unsigned short		dleaffaces[MAX_MAP_LEAFFACES];
68 
69 int			numleafbrushes;
70 unsigned short		dleafbrushes[MAX_MAP_LEAFBRUSHES];
71 
72 int			numsurfedges;
73 int			dsurfedges[MAX_MAP_SURFEDGES];
74 
75 int			numbrushes;
76 dbrush_t	dbrushes[MAX_MAP_BRUSHES];
77 
78 int			numbrushsides;
79 dbrushside_t	dbrushsides[MAX_MAP_BRUSHSIDES];
80 
81 int			numareas;
82 darea_t		dareas[MAX_MAP_AREAS];
83 
84 int			numareaportals;
85 dareaportal_t	dareaportals[MAX_MAP_AREAPORTALS];
86 
87 byte		dpop[256];
88 
89 /*
90 ===============
91 CompressVis
92 
93 ===============
94 */
CompressVis(byte * vis,byte * dest)95 int CompressVis (byte *vis, byte *dest)
96 {
97 	int		j;
98 	int		rep;
99 	int		visrow;
100 	byte	*dest_p;
101 
102 	dest_p = dest;
103 //	visrow = (r_numvisleafs + 7)>>3;
104 	visrow = (dvis->numclusters + 7)>>3;
105 
106 	for (j=0 ; j<visrow ; j++)
107 	{
108 		*dest_p++ = vis[j];
109 		if (vis[j])
110 			continue;
111 
112 		rep = 1;
113 		for ( j++; j<visrow ; j++)
114 			if (vis[j] || rep == 255)
115 				break;
116 			else
117 				rep++;
118 		*dest_p++ = rep;
119 		j--;
120 	}
121 
122 	return dest_p - dest;
123 }
124 
125 
126 /*
127 ===================
128 DecompressVis
129 ===================
130 */
DecompressVis(byte * in,byte * decompressed)131 void DecompressVis (byte *in, byte *decompressed)
132 {
133 	int		c;
134 	byte	*out;
135 	int		row;
136 
137 //	row = (r_numvisleafs+7)>>3;
138 	row = (dvis->numclusters+7)>>3;
139 	out = decompressed;
140 
141 	do
142 	{
143 		if (*in)
144 		{
145 			*out++ = *in++;
146 			continue;
147 		}
148 
149 		c = in[1];
150 		if (!c)
151 			Error ("DecompressVis: 0 repeat");
152 		in += 2;
153 		while (c)
154 		{
155 			*out++ = 0;
156 			c--;
157 		}
158 	} while (out - decompressed < row);
159 }
160 
161 //=============================================================================
162 
163 /*
164 =============
165 SwapBSPFile
166 
167 Byte swaps all data in a bsp file.
168 =============
169 */
SwapBSPFile(qboolean todisk)170 void SwapBSPFile (qboolean todisk)
171 {
172 	int				i, j;
173 	dmodel_t		*d;
174 
175 
176 // models
177 	for (i=0 ; i<nummodels ; i++)
178 	{
179 		d = &dmodels[i];
180 
181 		d->firstface = LittleLong (d->firstface);
182 		d->numfaces = LittleLong (d->numfaces);
183 		d->headnode = LittleLong (d->headnode);
184 
185 		for (j=0 ; j<3 ; j++)
186 		{
187 			d->mins[j] = LittleFloat(d->mins[j]);
188 			d->maxs[j] = LittleFloat(d->maxs[j]);
189 			d->origin[j] = LittleFloat(d->origin[j]);
190 		}
191 	}
192 
193 //
194 // vertexes
195 //
196 	for (i=0 ; i<numvertexes ; i++)
197 	{
198 		for (j=0 ; j<3 ; j++)
199 			dvertexes[i].point[j] = LittleFloat (dvertexes[i].point[j]);
200 	}
201 
202 //
203 // planes
204 //
205 	for (i=0 ; i<numplanes ; i++)
206 	{
207 		for (j=0 ; j<3 ; j++)
208 			dplanes[i].normal[j] = LittleFloat (dplanes[i].normal[j]);
209 		dplanes[i].dist = LittleFloat (dplanes[i].dist);
210 		dplanes[i].type = LittleLong (dplanes[i].type);
211 	}
212 
213 //
214 // texinfos
215 //
216 	for (i=0 ; i<numtexinfo ; i++)
217 	{
218 		for (j=0 ; j<8 ; j++)
219 			texinfo[i].vecs[0][j] = LittleFloat (texinfo[i].vecs[0][j]);
220 		texinfo[i].flags = LittleLong (texinfo[i].flags);
221 		texinfo[i].value = LittleLong (texinfo[i].value);
222 		texinfo[i].nexttexinfo = LittleLong (texinfo[i].nexttexinfo);
223 	}
224 
225 //
226 // faces
227 //
228 	for (i=0 ; i<numfaces ; i++)
229 	{
230 		dfaces[i].texinfo = LittleShort (dfaces[i].texinfo);
231 		dfaces[i].planenum = LittleShort (dfaces[i].planenum);
232 		dfaces[i].side = LittleShort (dfaces[i].side);
233 		dfaces[i].lightofs = LittleLong (dfaces[i].lightofs);
234 		dfaces[i].firstedge = LittleLong (dfaces[i].firstedge);
235 		dfaces[i].numedges = LittleShort (dfaces[i].numedges);
236 	}
237 
238 //
239 // nodes
240 //
241 	for (i=0 ; i<numnodes ; i++)
242 	{
243 		dnodes[i].planenum = LittleLong (dnodes[i].planenum);
244 		for (j=0 ; j<3 ; j++)
245 		{
246 			dnodes[i].mins[j] = LittleShort (dnodes[i].mins[j]);
247 			dnodes[i].maxs[j] = LittleShort (dnodes[i].maxs[j]);
248 		}
249 		dnodes[i].children[0] = LittleLong (dnodes[i].children[0]);
250 		dnodes[i].children[1] = LittleLong (dnodes[i].children[1]);
251 		dnodes[i].firstface = LittleShort (dnodes[i].firstface);
252 		dnodes[i].numfaces = LittleShort (dnodes[i].numfaces);
253 	}
254 
255 //
256 // leafs
257 //
258 	for (i=0 ; i<numleafs ; i++)
259 	{
260 		dleafs[i].contents = LittleLong (dleafs[i].contents);
261 		dleafs[i].cluster = LittleShort (dleafs[i].cluster);
262 		dleafs[i].area = LittleShort (dleafs[i].area);
263 		for (j=0 ; j<3 ; j++)
264 		{
265 			dleafs[i].mins[j] = LittleShort (dleafs[i].mins[j]);
266 			dleafs[i].maxs[j] = LittleShort (dleafs[i].maxs[j]);
267 		}
268 
269 		dleafs[i].firstleafface = LittleShort (dleafs[i].firstleafface);
270 		dleafs[i].numleaffaces = LittleShort (dleafs[i].numleaffaces);
271 		dleafs[i].firstleafbrush = LittleShort (dleafs[i].firstleafbrush);
272 		dleafs[i].numleafbrushes = LittleShort (dleafs[i].numleafbrushes);
273 	}
274 
275 //
276 // leaffaces
277 //
278 	for (i=0 ; i<numleaffaces ; i++)
279 		dleaffaces[i] = LittleShort (dleaffaces[i]);
280 
281 //
282 // leafbrushes
283 //
284 	for (i=0 ; i<numleafbrushes ; i++)
285 		dleafbrushes[i] = LittleShort (dleafbrushes[i]);
286 
287 //
288 // surfedges
289 //
290 	for (i=0 ; i<numsurfedges ; i++)
291 		dsurfedges[i] = LittleLong (dsurfedges[i]);
292 
293 //
294 // edges
295 //
296 	for (i=0 ; i<numedges ; i++)
297 	{
298 		dedges[i].v[0] = LittleShort (dedges[i].v[0]);
299 		dedges[i].v[1] = LittleShort (dedges[i].v[1]);
300 	}
301 
302 //
303 // brushes
304 //
305 	for (i=0 ; i<numbrushes ; i++)
306 	{
307 		dbrushes[i].firstside = LittleLong (dbrushes[i].firstside);
308 		dbrushes[i].numsides = LittleLong (dbrushes[i].numsides);
309 		dbrushes[i].contents = LittleLong (dbrushes[i].contents);
310 	}
311 
312 //
313 // areas
314 //
315 	for (i=0 ; i<numareas ; i++)
316 	{
317 		dareas[i].numareaportals = LittleLong (dareas[i].numareaportals);
318 		dareas[i].firstareaportal = LittleLong (dareas[i].firstareaportal);
319 	}
320 
321 //
322 // areasportals
323 //
324 	for (i=0 ; i<numareaportals ; i++)
325 	{
326 		dareaportals[i].portalnum = LittleLong (dareaportals[i].portalnum);
327 		dareaportals[i].otherarea = LittleLong (dareaportals[i].otherarea);
328 	}
329 
330 //
331 // brushsides
332 //
333 	for (i=0 ; i<numbrushsides ; i++)
334 	{
335 		dbrushsides[i].planenum = LittleShort (dbrushsides[i].planenum);
336 		dbrushsides[i].texinfo = LittleShort (dbrushsides[i].texinfo);
337 	}
338 
339 //
340 // visibility
341 //
342 	if (todisk)
343 		j = dvis->numclusters;
344 	else
345 		j = LittleLong(dvis->numclusters);
346 	dvis->numclusters = LittleLong (dvis->numclusters);
347 	for (i=0 ; i<j ; i++)
348 	{
349 		dvis->bitofs[i][0] = LittleLong (dvis->bitofs[i][0]);
350 		dvis->bitofs[i][1] = LittleLong (dvis->bitofs[i][1]);
351 	}
352 }
353 
354 
355 dheader_t	*header;
356 
CopyLump(int lump,void * dest,int size)357 int CopyLump (int lump, void *dest, int size)
358 {
359 	int		length, ofs;
360 
361 	length = header->lumps[lump].filelen;
362 	ofs = header->lumps[lump].fileofs;
363 
364 	if (length % size)
365 		Error ("LoadBSPFile: odd lump size");
366 
367 	memcpy (dest, (byte *)header + ofs, length);
368 
369 	return length / size;
370 }
371 
372 /*
373 =============
374 LoadBSPFile
375 =============
376 */
LoadBSPFile(char * filename)377 void	LoadBSPFile (char *filename)
378 {
379 	int			i;
380 
381 //
382 // load the file header
383 //
384 	LoadFile (filename, (void **)&header);
385 
386 // swap the header
387 	for (i=0 ; i< sizeof(dheader_t)/4 ; i++)
388 		((int *)header)[i] = LittleLong ( ((int *)header)[i]);
389 
390 	if (header->ident != IDBSPHEADER)
391 		Error ("%s is not a IBSP file", filename);
392 	if (header->version != BSPVERSION)
393 		Error ("%s is version %i, not %i", filename, header->version, BSPVERSION);
394 
395 	nummodels = CopyLump (LUMP_MODELS, dmodels, sizeof(dmodel_t));
396 	numvertexes = CopyLump (LUMP_VERTEXES, dvertexes, sizeof(dvertex_t));
397 	numplanes = CopyLump (LUMP_PLANES, dplanes, sizeof(dplane_t));
398 	numleafs = CopyLump (LUMP_LEAFS, dleafs, sizeof(dleaf_t));
399 	numnodes = CopyLump (LUMP_NODES, dnodes, sizeof(dnode_t));
400 	numtexinfo = CopyLump (LUMP_TEXINFO, texinfo, sizeof(texinfo_t));
401 	numfaces = CopyLump (LUMP_FACES, dfaces, sizeof(dface_t));
402 	numleaffaces = CopyLump (LUMP_LEAFFACES, dleaffaces, sizeof(dleaffaces[0]));
403 	numleafbrushes = CopyLump (LUMP_LEAFBRUSHES, dleafbrushes, sizeof(dleafbrushes[0]));
404 	numsurfedges = CopyLump (LUMP_SURFEDGES, dsurfedges, sizeof(dsurfedges[0]));
405 	numedges = CopyLump (LUMP_EDGES, dedges, sizeof(dedge_t));
406 	numbrushes = CopyLump (LUMP_BRUSHES, dbrushes, sizeof(dbrush_t));
407 	numbrushsides = CopyLump (LUMP_BRUSHSIDES, dbrushsides, sizeof(dbrushside_t));
408 	numareas = CopyLump (LUMP_AREAS, dareas, sizeof(darea_t));
409 	numareaportals = CopyLump (LUMP_AREAPORTALS, dareaportals, sizeof(dareaportal_t));
410 
411 	visdatasize = CopyLump (LUMP_VISIBILITY, dvisdata, 1);
412 	lightdatasize = CopyLump (LUMP_LIGHTING, dlightdata, 1);
413 	entdatasize = CopyLump (LUMP_ENTITIES, dentdata, 1);
414 
415 	CopyLump (LUMP_POP, dpop, 1);
416 
417 	free (header);		// everything has been copied out
418 
419 //
420 // swap everything
421 //
422 	SwapBSPFile (false);
423 }
424 
425 
426 /*
427 =============
428 LoadBSPFileTexinfo
429 
430 Only loads the texinfo lump, so qdata can scan for textures
431 =============
432 */
LoadBSPFileTexinfo(char * filename)433 void	LoadBSPFileTexinfo (char *filename)
434 {
435 	int			i;
436 	FILE		*f;
437 	int		length, ofs;
438 
439 	header = malloc(sizeof(dheader_t));
440 
441 	f = fopen (filename, "rb");
442 	fread (header, sizeof(dheader_t), 1, f);
443 
444 // swap the header
445 	for (i=0 ; i< sizeof(dheader_t)/4 ; i++)
446 		((int *)header)[i] = LittleLong ( ((int *)header)[i]);
447 
448 	if (header->ident != IDBSPHEADER)
449 		Error ("%s is not a IBSP file", filename);
450 	if (header->version != BSPVERSION)
451 		Error ("%s is version %i, not %i", filename, header->version, BSPVERSION);
452 
453 
454 	length = header->lumps[LUMP_TEXINFO].filelen;
455 	ofs = header->lumps[LUMP_TEXINFO].fileofs;
456 
457 	fseek (f, ofs, SEEK_SET);
458 	fread (texinfo, length, 1, f);
459 	fclose (f);
460 
461 	numtexinfo = length / sizeof(texinfo_t);
462 
463 	free (header);		// everything has been copied out
464 
465 	SwapBSPFile (false);
466 }
467 
468 
469 //============================================================================
470 
471 FILE		*wadfile;
472 dheader_t	outheader;
473 
AddLump(int lumpnum,void * data,int len)474 void AddLump (int lumpnum, void *data, int len)
475 {
476 	lump_t *lump;
477 
478 	lump = &header->lumps[lumpnum];
479 
480 	lump->fileofs = LittleLong( ftell(wadfile) );
481 	lump->filelen = LittleLong(len);
482 	SafeWrite (wadfile, data, (len+3)&~3);
483 }
484 
485 /*
486 =============
487 WriteBSPFile
488 
489 Swaps the bsp file in place, so it should not be referenced again
490 =============
491 */
WriteBSPFile(char * filename)492 void	WriteBSPFile (char *filename)
493 {
494 	header = &outheader;
495 	memset (header, 0, sizeof(dheader_t));
496 
497 	SwapBSPFile (true);
498 
499 	header->ident = LittleLong (IDBSPHEADER);
500 	header->version = LittleLong (BSPVERSION);
501 
502 	wadfile = SafeOpenWrite (filename);
503 	SafeWrite (wadfile, header, sizeof(dheader_t));	// overwritten later
504 
505 	AddLump (LUMP_PLANES, dplanes, numplanes*sizeof(dplane_t));
506 	AddLump (LUMP_LEAFS, dleafs, numleafs*sizeof(dleaf_t));
507 	AddLump (LUMP_VERTEXES, dvertexes, numvertexes*sizeof(dvertex_t));
508 	AddLump (LUMP_NODES, dnodes, numnodes*sizeof(dnode_t));
509 	AddLump (LUMP_TEXINFO, texinfo, numtexinfo*sizeof(texinfo_t));
510 	AddLump (LUMP_FACES, dfaces, numfaces*sizeof(dface_t));
511 	AddLump (LUMP_BRUSHES, dbrushes, numbrushes*sizeof(dbrush_t));
512 	AddLump (LUMP_BRUSHSIDES, dbrushsides, numbrushsides*sizeof(dbrushside_t));
513 	AddLump (LUMP_LEAFFACES, dleaffaces, numleaffaces*sizeof(dleaffaces[0]));
514 	AddLump (LUMP_LEAFBRUSHES, dleafbrushes, numleafbrushes*sizeof(dleafbrushes[0]));
515 	AddLump (LUMP_SURFEDGES, dsurfedges, numsurfedges*sizeof(dsurfedges[0]));
516 	AddLump (LUMP_EDGES, dedges, numedges*sizeof(dedge_t));
517 	AddLump (LUMP_MODELS, dmodels, nummodels*sizeof(dmodel_t));
518 	AddLump (LUMP_AREAS, dareas, numareas*sizeof(darea_t));
519 	AddLump (LUMP_AREAPORTALS, dareaportals, numareaportals*sizeof(dareaportal_t));
520 
521 	AddLump (LUMP_LIGHTING, dlightdata, lightdatasize);
522 	AddLump (LUMP_VISIBILITY, dvisdata, visdatasize);
523 	AddLump (LUMP_ENTITIES, dentdata, entdatasize);
524 	AddLump (LUMP_POP, dpop, sizeof(dpop));
525 
526 	fseek (wadfile, 0, SEEK_SET);
527 	SafeWrite (wadfile, header, sizeof(dheader_t));
528 	fclose (wadfile);
529 }
530 
531 //============================================================================
532 
533 /*
534 =============
535 PrintBSPFileSizes
536 
537 Dumps info about current file
538 =============
539 */
PrintBSPFileSizes(void)540 void PrintBSPFileSizes (void)
541 {
542 	if (!num_entities)
543 		ParseEntities ();
544 
545 	printf ("%5i models       %7i\n"
546 		,nummodels, (int)(nummodels*sizeof(dmodel_t)));
547 	printf ("%5i brushes      %7i\n"
548 		,numbrushes, (int)(numbrushes*sizeof(dbrush_t)));
549 	printf ("%5i brushsides   %7i\n"
550 		,numbrushsides, (int)(numbrushsides*sizeof(dbrushside_t)));
551 	printf ("%5i planes       %7i\n"
552 		,numplanes, (int)(numplanes*sizeof(dplane_t)));
553 	printf ("%5i texinfo      %7i\n"
554 		,numtexinfo, (int)(numtexinfo*sizeof(texinfo_t)));
555 	printf ("%5i entdata      %7i\n", num_entities, entdatasize);
556 
557 	printf ("\n");
558 
559 	printf ("%5i vertexes     %7i\n"
560 		,numvertexes, (int)(numvertexes*sizeof(dvertex_t)));
561 	printf ("%5i nodes        %7i\n"
562 		,numnodes, (int)(numnodes*sizeof(dnode_t)));
563 	printf ("%5i faces        %7i\n"
564 		,numfaces, (int)(numfaces*sizeof(dface_t)));
565 	printf ("%5i leafs        %7i\n"
566 		,numleafs, (int)(numleafs*sizeof(dleaf_t)));
567 	printf ("%5i leaffaces    %7i\n"
568 		,numleaffaces, (int)(numleaffaces*sizeof(dleaffaces[0])));
569 	printf ("%5i leafbrushes  %7i\n"
570 		,numleafbrushes, (int)(numleafbrushes*sizeof(dleafbrushes[0])));
571 	printf ("%5i surfedges    %7i\n"
572 		,numsurfedges, (int)(numsurfedges*sizeof(dsurfedges[0])));
573 	printf ("%5i edges        %7i\n"
574 		,numedges, (int)(numedges*sizeof(dedge_t)));
575 	printf ("      lightdata    %7i\n", lightdatasize);
576 	printf ("      visdata      %7i\n", visdatasize);
577 }
578 
579 
580 //============================================
581 
582 int			num_entities;
583 entity_t	entities[MAX_MAP_ENTITIES];
584 
StripTrailing(char * e)585 void StripTrailing (char *e)
586 {
587 	char	*s;
588 
589 	s = e + strlen(e)-1;
590 	while (s >= e && *s <= 32)
591 	{
592 		*s = 0;
593 		s--;
594 	}
595 }
596 
597 /*
598 =================
599 ParseEpair
600 =================
601 */
ParseEpair(void)602 epair_t *ParseEpair (void)
603 {
604 	epair_t	*e;
605 
606 	e = malloc (sizeof(epair_t));
607 	memset (e, 0, sizeof(epair_t));
608 
609 	if (strlen(token) >= MAX_KEY-1)
610 		Error ("ParseEpar: token too long");
611 	e->key = copystring(token);
612 	GetToken (false);
613 	if (strlen(token) >= MAX_VALUE-1)
614 		Error ("ParseEpar: token too long");
615 	e->value = copystring(token);
616 
617 	// strip trailing spaces
618 	StripTrailing (e->key);
619 	StripTrailing (e->value);
620 
621 	return e;
622 }
623 
624 
625 /*
626 ================
627 ParseEntity
628 ================
629 */
ParseEntity(void)630 qboolean	ParseEntity (void)
631 {
632 	epair_t		*e;
633 	entity_t	*mapent;
634 
635 	if (!GetToken (true))
636 		return false;
637 
638 	if (strcmp (token, "{") )
639 		Error ("ParseEntity: { not found");
640 
641 	if (num_entities == MAX_MAP_ENTITIES)
642 		Error ("num_entities == MAX_MAP_ENTITIES");
643 
644 	mapent = &entities[num_entities];
645 	num_entities++;
646 
647 	do
648 	{
649 		if (!GetToken (true))
650 			Error ("ParseEntity: EOF without closing brace");
651 		if (!strcmp (token, "}") )
652 			break;
653 		e = ParseEpair ();
654 		e->next = mapent->epairs;
655 		mapent->epairs = e;
656 	} while (1);
657 
658 	return true;
659 }
660 
661 /*
662 ================
663 ParseEntities
664 
665 Parses the dentdata string into entities
666 ================
667 */
ParseEntities(void)668 void ParseEntities (void)
669 {
670 	num_entities = 0;
671 	ParseFromMemory (dentdata, entdatasize);
672 
673 	while (ParseEntity ())
674 	{
675 	}
676 }
677 
678 
679 /*
680 ================
681 UnparseEntities
682 
683 Generates the dentdata string from all the entities
684 ================
685 */
UnparseEntities(void)686 void UnparseEntities (void)
687 {
688 	char	*buf, *end;
689 	epair_t	*ep;
690 	char	line[2048];
691 	int		i;
692 	char	key[1024], value[1024];
693 
694 	buf = dentdata;
695 	end = buf;
696 	*end = 0;
697 
698 	for (i=0 ; i<num_entities ; i++)
699 	{
700 		ep = entities[i].epairs;
701 		if (!ep)
702 			continue;	// ent got removed
703 
704 		strcat (end,"{\n");
705 		end += 2;
706 
707 		for (ep = entities[i].epairs ; ep ; ep=ep->next)
708 		{
709 			strcpy (key, ep->key);
710 			StripTrailing (key);
711 			strcpy (value, ep->value);
712 			StripTrailing (value);
713 
714 			sprintf (line, "\"%s\" \"%s\"\n", key, value);
715 			strcat (end, line);
716 			end += strlen(line);
717 		}
718 		strcat (end,"}\n");
719 		end += 2;
720 
721 		if (end > buf + MAX_MAP_ENTSTRING)
722 			Error ("Entity text too long");
723 	}
724 	entdatasize = end - buf + 1;
725 }
726 
PrintEntity(entity_t * ent)727 void PrintEntity (entity_t *ent)
728 {
729 	epair_t	*ep;
730 
731 	printf ("------- entity %p -------\n", ent);
732 	for (ep=ent->epairs ; ep ; ep=ep->next)
733 	{
734 		printf ("%s = %s\n", ep->key, ep->value);
735 	}
736 
737 }
738 
SetKeyValue(entity_t * ent,char * key,char * value)739 void 	SetKeyValue (entity_t *ent, char *key, char *value)
740 {
741 	epair_t	*ep;
742 
743 	for (ep=ent->epairs ; ep ; ep=ep->next)
744 		if (!strcmp (ep->key, key) )
745 		{
746 			free (ep->value);
747 			ep->value = copystring(value);
748 			return;
749 		}
750 	ep = malloc (sizeof(*ep));
751 	ep->next = ent->epairs;
752 	ent->epairs = ep;
753 	ep->key = copystring(key);
754 	ep->value = copystring(value);
755 }
756 
ValueForKey(entity_t * ent,char * key)757 char 	*ValueForKey (entity_t *ent, char *key)
758 {
759 	epair_t	*ep;
760 
761 	for (ep=ent->epairs ; ep ; ep=ep->next)
762 		if (!strcmp (ep->key, key) )
763 			return ep->value;
764 	return "";
765 }
766 
FloatForKey(entity_t * ent,char * key)767 vec_t	FloatForKey (entity_t *ent, char *key)
768 {
769 	char	*k;
770 
771 	k = ValueForKey (ent, key);
772 	return atof(k);
773 }
774 
GetVectorForKey(entity_t * ent,char * key,vec3_t vec)775 void 	GetVectorForKey (entity_t *ent, char *key, vec3_t vec)
776 {
777 	char	*k;
778 	double	v1, v2, v3;
779 
780 	k = ValueForKey (ent, key);
781 // scanf into doubles, then assign, so it is vec_t size independent
782 	v1 = v2 = v3 = 0;
783 	sscanf (k, "%lf %lf %lf", &v1, &v2, &v3);
784 	vec[0] = v1;
785 	vec[1] = v2;
786 	vec[2] = v3;
787 }
788 
789 
790