1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3 
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8 
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 
13 See the GNU General Public License for more details.
14 
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18 
19 */
20 
21 #ifndef MODEL_BRUSH_H
22 #define MODEL_BRUSH_H
23 
24 /*
25 ==============================================================================
26 
27 BRUSH MODELS
28 
29 ==============================================================================
30 */
31 
32 
33 
34 //
35 // in memory representation
36 //
37 typedef struct mvertex_s
38 {
39 	vec3_t position;
40 }
41 mvertex_t;
42 
43 #define SIDE_FRONT 0
44 #define SIDE_BACK 1
45 #define SIDE_ON 2
46 
47 
48 // plane_t structure
49 typedef struct mplane_s
50 {
51 	vec3_t normal;
52 	float dist;
53 	// for texture axis selection and fast side tests
54 	int type;
55 	int signbits;
56 }
57 mplane_t;
58 
59 #define SHADERSTAGE_SKY 0
60 #define SHADERSTAGE_NORMAL 1
61 #define SHADERSTAGE_COUNT 2
62 
63 //#define SURF_PLANEBACK 2
64 
65 // use alpha blend on this material
66 #define MATERIALFLAG_ALPHA 2
67 // use additive blend on this material
68 #define MATERIALFLAG_ADD 4
69 // turn off depth test on this material
70 #define MATERIALFLAG_NODEPTHTEST 8
71 // multiply alpha by r_wateralpha cvar
72 #define MATERIALFLAG_WATERALPHA 16
73 // draw with no lighting
74 #define MATERIALFLAG_FULLBRIGHT 32
75 // drawn as a normal surface (alternative to SKY)
76 #define MATERIALFLAG_WALL 64
77 // this surface shows the sky in its place, alternative to WALL
78 // skipped if transparent
79 #define MATERIALFLAG_SKY 128
80 // swirling water effect (used with MATERIALFLAG_WALL)
81 #define MATERIALFLAG_WATERSCROLL 256
82 // skips drawing the surface
83 #define MATERIALFLAG_NODRAW 512
84 // probably used only on q1bsp water
85 #define MATERIALFLAG_LIGHTBOTHSIDES 1024
86 // use alpha test on this material
87 #define MATERIALFLAG_ALPHATEST 2048
88 // treat this material as a blended transparency (as opposed to an alpha test
89 // transparency), this causes special fog behavior, and disables glDepthMask
90 #define MATERIALFLAG_BLENDED 4096
91 // render using a custom blendfunc
92 #define MATERIALFLAG_CUSTOMBLEND 8192
93 // do not cast shadows from this material
94 #define MATERIALFLAG_NOSHADOW 16384
95 // render using vertex alpha (q3bsp) as texture blend parameter between foreground (normal) skinframe and background skinframe
96 #define MATERIALFLAG_VERTEXTEXTUREBLEND 32768
97 // disables GL_CULL_FACE on this texture (making it double sided)
98 #define MATERIALFLAG_NOCULLFACE 65536
99 // render with a very short depth range (like 10% of normal), this causes entities to appear infront of most of the scene
100 #define MATERIALFLAG_SHORTDEPTHRANGE 131072
101 // render water, comprising refraction and reflection (note: this is always opaque, the shader does the alpha effect)
102 #define MATERIALFLAG_WATERSHADER 262144
103 // render refraction (note: this is just a way to distort the background, otherwise useless)
104 #define MATERIALFLAG_REFRACTION 524288
105 // render reflection
106 #define MATERIALFLAG_REFLECTION 1048576
107 // use model lighting on this material (q1bsp lightmap sampling or q3bsp lightgrid, implies FULLBRIGHT is false)
108 #define MATERIALFLAG_MODELLIGHT 4194304
109 // add directional model lighting to this material (q3bsp lightgrid only)
110 #define MATERIALFLAG_MODELLIGHT_DIRECTIONAL 8388608
111 // combined mask of all attributes that require depth sorted rendering
112 #define MATERIALFLAGMASK_DEPTHSORTED (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST)
113 // combined mask of all attributes that cause some sort of transparency
114 #define MATERIALFLAGMASK_TRANSLUCENT (MATERIALFLAG_WATERALPHA | MATERIALFLAG_SKY | MATERIALFLAG_NODRAW | MATERIALFLAG_ALPHATEST | MATERIALFLAG_BLENDED | MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION)
115 
116 typedef struct medge_s
117 {
118 	unsigned short v[2];
119 }
120 medge_t;
121 
122 struct entity_render_s;
123 struct texture_s;
124 struct msurface_s;
125 
126 typedef struct mnode_s
127 {
128 	//this part shared between node and leaf
129 	mplane_t *plane; // != NULL
130 	struct mnode_s *parent;
131 	struct mportal_s *portals;
132 	// for bounding box culling
133 	vec3_t mins;
134 	vec3_t maxs;
135 	// supercontents from all brushes inside this node or leaf
136 	int combinedsupercontents;
137 
138 	// this part unique to node
139 	struct mnode_s *children[2];
140 
141 	// q1bsp specific
142 	unsigned short firstsurface;
143 	unsigned short numsurfaces;
144 }
145 mnode_t;
146 
147 typedef struct mleaf_s
148 {
149 	//this part shared between node and leaf
150 	mplane_t *plane; // == NULL
151 	struct mnode_s *parent;
152 	struct mportal_s *portals;
153 	// for bounding box culling
154 	vec3_t mins;
155 	vec3_t maxs;
156 	// supercontents from all brushes inside this node or leaf
157 	int combinedsupercontents;
158 
159 	// this part unique to leaf
160 	// common
161 	int clusterindex; // -1 is not in pvs, >= 0 is pvs bit number
162 	int areaindex; // q3bsp
163 	int containscollisionsurfaces; // indicates whether the leafsurfaces contains q3 patches
164 	int numleafsurfaces;
165 	int *firstleafsurface;
166 	int numleafbrushes; // q3bsp
167 	int *firstleafbrush; // q3bsp
168 	unsigned char ambient_sound_level[NUM_AMBIENTS]; // q1bsp
169 	int contents; // q1bsp: // TODO: remove (only used temporarily during loading when making collision hull 0)
170 	int portalmarkid; // q1bsp // used by see-polygon-through-portals visibility checker
171 }
172 mleaf_t;
173 
174 typedef struct mclipnode_s
175 {
176 	int			planenum;
177 	int			children[2];	// negative numbers are contents
178 } mclipnode_t;
179 
180 typedef struct hull_s
181 {
182 	mclipnode_t *clipnodes;
183 	mplane_t *planes;
184 	int firstclipnode;
185 	int lastclipnode;
186 	vec3_t clip_mins;
187 	vec3_t clip_maxs;
188 	vec3_t clip_size;
189 }
190 hull_t;
191 
192 typedef struct mportal_s
193 {
194 	struct mportal_s *next; // the next portal on this leaf
195 	mleaf_t *here; // the leaf this portal is on
196 	mleaf_t *past; // the leaf through this portal (infront)
197 	int numpoints;
198 	mvertex_t *points;
199 	vec3_t mins, maxs; // culling
200 	mplane_t plane;
201 }
202 mportal_t;
203 
204 typedef struct svbspmesh_s
205 {
206 	struct svbspmesh_s *next;
207 	int numverts, maxverts;
208 	int numtriangles, maxtriangles;
209 	float *verts;
210 	int *elements;
211 }
212 svbspmesh_t;
213 
214 // Q2 bsp stuff
215 
216 #define Q2BSPVERSION	38
217 
218 // leaffaces, leafbrushes, planes, and verts are still bounded by
219 // 16 bit short limits
220 
221 //=============================================================================
222 
223 #define	Q2LUMP_ENTITIES		0
224 #define	Q2LUMP_PLANES			1
225 #define	Q2LUMP_VERTEXES		2
226 #define	Q2LUMP_VISIBILITY		3
227 #define	Q2LUMP_NODES			4
228 #define	Q2LUMP_TEXINFO		5
229 #define	Q2LUMP_FACES			6
230 #define	Q2LUMP_LIGHTING		7
231 #define	Q2LUMP_LEAFS			8
232 #define	Q2LUMP_LEAFFACES		9
233 #define	Q2LUMP_LEAFBRUSHES	10
234 #define	Q2LUMP_EDGES			11
235 #define	Q2LUMP_SURFEDGES		12
236 #define	Q2LUMP_MODELS			13
237 #define	Q2LUMP_BRUSHES		14
238 #define	Q2LUMP_BRUSHSIDES		15
239 #define	Q2LUMP_POP			16
240 #define	Q2LUMP_AREAS			17
241 #define	Q2LUMP_AREAPORTALS	18
242 #define	Q2HEADER_LUMPS		19
243 
244 typedef struct q2dheader_s
245 {
246 	int			ident;
247 	int			version;
248 	lump_t		lumps[Q2HEADER_LUMPS];
249 } q2dheader_t;
250 
251 typedef struct q2dmodel_s
252 {
253 	float		mins[3], maxs[3];
254 	float		origin[3];		// for sounds or lights
255 	int			headnode;
256 	int			firstface, numfaces;	// submodels just draw faces
257 										// without walking the bsp tree
258 } q2dmodel_t;
259 
260 // planes (x&~1) and (x&~1)+1 are always opposites
261 
262 // contents flags are seperate bits
263 // a given brush can contribute multiple content bits
264 // multiple brushes can be in a single leaf
265 
266 // these definitions also need to be in q_shared.h!
267 
268 // lower bits are stronger, and will eat weaker brushes completely
269 #define	Q2CONTENTS_SOLID			1		// an eye is never valid in a solid
270 #define	Q2CONTENTS_WINDOW			2		// translucent, but not watery
271 #define	Q2CONTENTS_AUX			4
272 #define	Q2CONTENTS_LAVA			8
273 #define	Q2CONTENTS_SLIME			16
274 #define	Q2CONTENTS_WATER			32
275 #define	Q2CONTENTS_MIST			64
276 #define	Q2LAST_VISIBLE_CONTENTS	64
277 
278 // remaining contents are non-visible, and don't eat brushes
279 
280 #define	Q2CONTENTS_AREAPORTAL		0x8000
281 
282 #define	Q2CONTENTS_PLAYERCLIP		0x10000
283 #define	Q2CONTENTS_MONSTERCLIP	0x20000
284 
285 // currents can be added to any other contents, and may be mixed
286 #define	Q2CONTENTS_CURRENT_0		0x40000
287 #define	Q2CONTENTS_CURRENT_90		0x80000
288 #define	Q2CONTENTS_CURRENT_180	0x100000
289 #define	Q2CONTENTS_CURRENT_270	0x200000
290 #define	Q2CONTENTS_CURRENT_UP		0x400000
291 #define	Q2CONTENTS_CURRENT_DOWN	0x800000
292 
293 #define	Q2CONTENTS_ORIGIN			0x1000000	// removed before bsping an entity
294 
295 #define	Q2CONTENTS_MONSTER		0x2000000	// should never be on a brush, only in game
296 #define	Q2CONTENTS_DEADMONSTER	0x4000000
297 #define	Q2CONTENTS_DETAIL			0x8000000	// brushes to be added after vis leafs
298 #define	Q2CONTENTS_TRANSLUCENT	0x10000000	// auto set if any surface has trans
299 #define	Q2CONTENTS_LADDER			0x20000000
300 
301 
302 
303 #define	Q2SURF_LIGHT		0x1		// value will hold the light strength
304 
305 #define	Q2SURF_SLICK		0x2		// effects game physics
306 
307 #define	Q2SURF_SKY		0x4		// don't draw, but add to skybox
308 #define	Q2SURF_WARP		0x8		// turbulent water warp
309 #define	Q2SURF_TRANS33	0x10
310 #define	Q2SURF_TRANS66	0x20
311 #define	Q2SURF_FLOWING	0x40	// scroll towards angle
312 #define	Q2SURF_NODRAW		0x80	// don't bother referencing the texture
313 
314 
315 
316 
317 typedef struct q2dnode_s
318 {
319 	int			planenum;
320 	int			children[2];	// negative numbers are -(leafs+1), not nodes
321 	short		mins[3];		// for frustom culling
322 	short		maxs[3];
323 	unsigned short	firstface;
324 	unsigned short	numfaces;	// counting both sides
325 } q2dnode_t;
326 
327 
328 typedef struct q2texinfo_s
329 {
330 	float		vecs[2][4];		// [s/t][xyz offset]
331 	int			flags;			// miptex flags + overrides
332 	int			value;			// light emission, etc
333 	char		texture[32];	// texture name (textures/*.wal)
334 	int			nexttexinfo;	// for animations, -1 = end of chain
335 } q2texinfo_t;
336 
337 typedef struct q2dleaf_s
338 {
339 	int				contents;			// OR of all brushes (not needed?)
340 
341 	short			cluster;
342 	short			area;
343 
344 	short			mins[3];			// for frustum culling
345 	short			maxs[3];
346 
347 	unsigned short	firstleafface;
348 	unsigned short	numleaffaces;
349 
350 	unsigned short	firstleafbrush;
351 	unsigned short	numleafbrushes;
352 } q2dleaf_t;
353 
354 typedef struct q2dbrushside_s
355 {
356 	unsigned short	planenum;		// facing out of the leaf
357 	short	texinfo;
358 } q2dbrushside_t;
359 
360 typedef struct q2dbrush_s
361 {
362 	int			firstside;
363 	int			numsides;
364 	int			contents;
365 } q2dbrush_t;
366 
367 
368 // the visibility lump consists of a header with a count, then
369 // byte offsets for the PVS and PHS of each cluster, then the raw
370 // compressed bit vectors
371 #define	Q2DVIS_PVS	0
372 #define	Q2DVIS_PHS	1
373 typedef struct q2dvis_s
374 {
375 	int			numclusters;
376 	int			bitofs[8][2];	// bitofs[numclusters][2]
377 } q2dvis_t;
378 
379 // each area has a list of portals that lead into other areas
380 // when portals are closed, other areas may not be visible or
381 // hearable even if the vis info says that it should be
382 typedef struct q2dareaportal_s
383 {
384 	int		portalnum;
385 	int		otherarea;
386 } q2dareaportal_t;
387 
388 typedef struct q2darea_s
389 {
390 	int		numareaportals;
391 	int		firstareaportal;
392 } q2darea_t;
393 
394 
395 //Q3 bsp stuff
396 
397 #define Q3BSPVERSION	46
398 #define Q3BSPVERSION_LIVE 47
399 #define Q3BSPVERSION_IG	48
400 
401 #define	Q3LUMP_ENTITIES		0 // entities to spawn (used by server and client)
402 #define	Q3LUMP_TEXTURES		1 // textures used (used by faces)
403 #define	Q3LUMP_PLANES		2 // planes used (used by bsp nodes)
404 #define	Q3LUMP_NODES		3 // bsp nodes (used by bsp nodes, bsp leafs, rendering, collisions)
405 #define	Q3LUMP_LEAFS		4 // bsp leafs (used by bsp nodes)
406 #define	Q3LUMP_LEAFFACES	5 // array of ints indexing faces (used by leafs)
407 #define	Q3LUMP_LEAFBRUSHES	6 // array of ints indexing brushes (used by leafs)
408 #define	Q3LUMP_MODELS		7 // models (used by rendering, collisions)
409 #define	Q3LUMP_BRUSHES		8 // brushes (used by effects, collisions)
410 #define	Q3LUMP_BRUSHSIDES	9 // brush faces (used by brushes)
411 #define	Q3LUMP_VERTICES		10 // mesh vertices (used by faces)
412 #define	Q3LUMP_TRIANGLES	11 // mesh triangles (used by faces)
413 #define	Q3LUMP_EFFECTS		12 // fog (used by faces)
414 #define	Q3LUMP_FACES		13 // surfaces (used by leafs)
415 #define	Q3LUMP_LIGHTMAPS	14 // lightmap textures (used by faces)
416 #define	Q3LUMP_LIGHTGRID	15 // lighting as a voxel grid (used by rendering)
417 #define	Q3LUMP_PVS			16 // potentially visible set; bit[clusters][clusters] (used by rendering)
418 #define	Q3HEADER_LUMPS		17
419 #define	Q3LUMP_ADVERTISEMENTS 17 // quake live stuff written by zeroradiant's q3map2 (ignored by DP)
420 #define	Q3HEADER_LUMPS_LIVE	18
421 #define	Q3HEADER_LUMPS_MAX	18
422 
423 typedef struct q3dheader_s
424 {
425 	int			ident;
426 	int			version;
427 	lump_t		lumps[Q3HEADER_LUMPS_MAX];
428 } q3dheader_t;
429 
430 typedef struct q3dtexture_s
431 {
432 	char name[Q3PATHLENGTH];
433 	int surfaceflags;
434 	int contents;
435 }
436 q3dtexture_t;
437 
438 // note: planes are paired, the pair of planes with i and i ^ 1 are opposites.
439 typedef struct q3dplane_s
440 {
441 	float normal[3];
442 	float dist;
443 }
444 q3dplane_t;
445 
446 typedef struct q3dnode_s
447 {
448 	int planeindex;
449 	int childrenindex[2];
450 	int mins[3];
451 	int maxs[3];
452 }
453 q3dnode_t;
454 
455 typedef struct q3dleaf_s
456 {
457 	int clusterindex; // pvs index
458 	int areaindex; // area index
459 	int mins[3];
460 	int maxs[3];
461 	int firstleafface;
462 	int numleaffaces;
463 	int firstleafbrush;
464 	int numleafbrushes;
465 }
466 q3dleaf_t;
467 
468 typedef struct q3dmodel_s
469 {
470 	float mins[3];
471 	float maxs[3];
472 	int firstface;
473 	int numfaces;
474 	int firstbrush;
475 	int numbrushes;
476 }
477 q3dmodel_t;
478 
479 typedef struct q3dbrush_s
480 {
481 	int firstbrushside;
482 	int numbrushsides;
483 	int textureindex;
484 }
485 q3dbrush_t;
486 
487 typedef struct q3dbrushside_s
488 {
489 	int planeindex;
490 	int textureindex;
491 }
492 q3dbrushside_t;
493 
494 typedef struct q3dbrushside_ig_s
495 {
496 	int planeindex;
497 	int textureindex;
498 	int surfaceflags;
499 }
500 q3dbrushside_ig_t;
501 
502 typedef struct q3dvertex_s
503 {
504 	float origin3f[3];
505 	float texcoord2f[2];
506 	float lightmap2f[2];
507 	float normal3f[3];
508 	unsigned char color4ub[4];
509 }
510 q3dvertex_t;
511 
512 typedef struct q3dmeshvertex_s
513 {
514 	int offset; // first vertex index of mesh
515 }
516 q3dmeshvertex_t;
517 
518 typedef struct q3deffect_s
519 {
520 	char shadername[Q3PATHLENGTH];
521 	int brushindex;
522 	int unknown; // I read this is always 5 except in q3dm8 which has one effect with -1
523 }
524 q3deffect_t;
525 
526 #define Q3FACETYPE_FLAT 1 // common
527 #define Q3FACETYPE_PATCH 2 // common
528 #define Q3FACETYPE_MESH 3 // common
529 #define Q3FACETYPE_FLARE 4 // rare (is this ever used?)
530 
531 typedef struct q3dface_s
532 {
533 	int textureindex;
534 	int effectindex; // -1 if none
535 	int type; // Q3FACETYPE
536 	int firstvertex;
537 	int numvertices;
538 	int firstelement;
539 	int numelements;
540 	int lightmapindex; // -1 if none
541 	int lightmap_base[2];
542 	int lightmap_size[2];
543 	union
544 	{
545 		struct
546 		{
547 			// corrupt or don't care
548 			int blah[14];
549 		}
550 		unknown;
551 		struct
552 		{
553 			// Q3FACETYPE_FLAT
554 			// mesh is a collection of triangles on a plane, renderable as a mesh (NOT a polygon)
555 			float lightmap_origin[3];
556 			float lightmap_vectors[2][3];
557 			float normal[3];
558 			int unused1[2];
559 		}
560 		flat;
561 		struct
562 		{
563 			// Q3FACETYPE_PATCH
564 			// patch renders as a bezier mesh, with adjustable tesselation
565 			// level (optionally based on LOD using the bbox and polygon
566 			// count to choose a tesselation level)
567 			// note: multiple patches may have the same bbox to cause them to
568 			// be LOD adjusted together as a group
569 			int unused1[3];
570 			float mins[3]; // LOD bbox
571 			float maxs[3]; // LOD bbox
572 			int unused2[3];
573 			int patchsize[2]; // dimensions of vertex grid
574 		}
575 		patch;
576 		struct
577 		{
578 			// Q3FACETYPE_MESH
579 			// mesh renders as simply a triangle mesh
580 			int unused1[3];
581 			float mins[3];
582 			float maxs[3];
583 			int unused2[5];
584 		}
585 		mesh;
586 		struct
587 		{
588 			// Q3FACETYPE_FLARE
589 			// flare renders as a simple sprite at origin, no geometry
590 			// exists, nor does it have a radius, a cvar controls the radius
591 			// and another cvar controls distance fade
592 			// (they were not used in Q3 I'm told)
593 			float origin[3];
594 			int unused1[11];
595 		}
596 		flare;
597 	}
598 	specific;
599 }
600 q3dface_t;
601 
602 typedef struct q3dlightmap_s
603 {
604 	unsigned char rgb[128*128*3];
605 }
606 q3dlightmap_t;
607 
608 typedef struct q3dlightgrid_s
609 {
610 	unsigned char ambientrgb[3];
611 	unsigned char diffusergb[3];
612 	unsigned char diffusepitch;
613 	unsigned char diffuseyaw;
614 }
615 q3dlightgrid_t;
616 
617 typedef struct q3dpvs_s
618 {
619 	int numclusters;
620 	int chainlength;
621 	// unsigned char chains[];
622 	// containing bits in 0-7 order (not 7-0 order),
623 	// pvschains[mycluster * chainlength + (thatcluster >> 3)] & (1 << (thatcluster & 7))
624 }
625 q3dpvs_t;
626 
627 // surfaceflags from bsp
628 #define Q3SURFACEFLAG_NODAMAGE 1
629 #define Q3SURFACEFLAG_SLICK 2
630 #define Q3SURFACEFLAG_SKY 4
631 #define Q3SURFACEFLAG_LADDER 8
632 #define Q3SURFACEFLAG_NOIMPACT 16
633 #define Q3SURFACEFLAG_NOMARKS 32
634 #define Q3SURFACEFLAG_FLESH 64
635 #define Q3SURFACEFLAG_NODRAW 128
636 #define Q3SURFACEFLAG_HINT 256
637 #define Q3SURFACEFLAG_SKIP 512
638 #define Q3SURFACEFLAG_NOLIGHTMAP 1024
639 #define Q3SURFACEFLAG_POINTLIGHT 2048
640 #define Q3SURFACEFLAG_METALSTEPS 4096
641 #define Q3SURFACEFLAG_NOSTEPS 8192
642 #define Q3SURFACEFLAG_NONSOLID 16384
643 #define Q3SURFACEFLAG_LIGHTFILTER 32768
644 #define Q3SURFACEFLAG_ALPHASHADOW 65536
645 #define Q3SURFACEFLAG_NODLIGHT 131072
646 #define Q3SURFACEFLAG_DUST 262144
647 
648 // surfaceparms from shaders
649 #define Q3SURFACEPARM_ALPHASHADOW 1
650 #define Q3SURFACEPARM_AREAPORTAL 2
651 #define Q3SURFACEPARM_CLUSTERPORTAL 4
652 #define Q3SURFACEPARM_DETAIL 8
653 #define Q3SURFACEPARM_DONOTENTER 16
654 #define Q3SURFACEPARM_FOG 32
655 #define Q3SURFACEPARM_LAVA 64
656 #define Q3SURFACEPARM_LIGHTFILTER 128
657 #define Q3SURFACEPARM_METALSTEPS 256
658 #define Q3SURFACEPARM_NODAMAGE 512
659 #define Q3SURFACEPARM_NODLIGHT 1024
660 #define Q3SURFACEPARM_NODRAW 2048
661 #define Q3SURFACEPARM_NODROP 4096
662 #define Q3SURFACEPARM_NOIMPACT 8192
663 #define Q3SURFACEPARM_NOLIGHTMAP 16384
664 #define Q3SURFACEPARM_NOMARKS 32768
665 #define Q3SURFACEPARM_NOMIPMAPS 65536
666 #define Q3SURFACEPARM_NONSOLID 131072
667 #define Q3SURFACEPARM_ORIGIN 262144
668 #define Q3SURFACEPARM_PLAYERCLIP 524288
669 #define Q3SURFACEPARM_SKY 1048576
670 #define Q3SURFACEPARM_SLICK 2097152
671 #define Q3SURFACEPARM_SLIME 4194304
672 #define Q3SURFACEPARM_STRUCTURAL 8388608
673 #define Q3SURFACEPARM_TRANS 16777216
674 #define Q3SURFACEPARM_WATER 33554432
675 #define Q3SURFACEPARM_POINTLIGHT 67108864
676 #define Q3SURFACEPARM_HINT 134217728
677 #define Q3SURFACEPARM_DUST 268435456
678 #define Q3SURFACEPARM_BOTCLIP 536870912
679 #define Q3SURFACEPARM_LIGHTGRID 1073741824
680 #define Q3SURFACEPARM_ANTIPORTAL 2147483648u
681 
682 typedef struct q3mbrush_s
683 {
684 	struct colbrushf_s *colbrushf;
685 	int numbrushsides;
686 	struct q3mbrushside_s *firstbrushside;
687 	struct texture_s *texture;
688 }
689 q3mbrush_t;
690 
691 typedef struct q3mbrushside_s
692 {
693 	struct mplane_s *plane;
694 	struct texture_s *texture;
695 }
696 q3mbrushside_t;
697 
698 #define CHECKPVSBIT(pvs,b) ((b) >= 0 ? ((pvs)[(b) >> 3] & (1 << ((b) & 7))) : false)
699 #define SETPVSBIT(pvs,b) ((b) >= 0 ? ((pvs)[(b) >> 3] |= (1 << ((b) & 7))) : false)
700 #define CLEARPVSBIT(pvs,b) ((b) >= 0 ? ((pvs)[(b) >> 3] &= ~(1 << ((b) & 7))) : false)
701 
702 #endif
703 
704