2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
21 #ifndef MODEL_SHARED_H
22 #define MODEL_SHARED_H
24 typedef enum synctype_e {ST_SYNC=0, ST_RAND } synctype_t;
28 d*_t structures are on-disk representations
29 m*_t structures are in-memory
33 typedef enum modtype_e {mod_invalid, mod_brushq1, mod_sprite, mod_alias, mod_brushq2, mod_brushq3} modtype_t;
35 typedef struct animscene_s
37 char name[32]; // for viewthing support
40 int loop; // true or false
45 typedef struct skinframe_s
47 rtexture_t *stain; // inverse modulate with background (used for decals and such)
48 rtexture_t *merged; // original texture without glow
49 rtexture_t *base; // original texture without pants/shirt/glow
50 rtexture_t *pants; // pants only (in greyscale)
51 rtexture_t *shirt; // shirt only (in greyscale)
52 rtexture_t *nmap; // normalmap (bumpmap for dot3)
53 rtexture_t *gloss; // glossmap (for dot3)
54 rtexture_t *glow; // glow only (fullbrights)
55 rtexture_t *fog; // alpha of the base texture (if not opaque)
56 // accounting data for hash searches:
57 // the compare variables are used to identify internal skins from certain
59 // (so that two q1bsp maps with the same texture name for different
60 // textures do not have any conflicts)
61 struct skinframe_s *next; // next on hash chain
62 char basename[MAX_QPATH]; // name of this
63 int textureflags; // texture flags to use
67 // mark and sweep garbage collection, this value is updated to a new value
68 // on each level change for the used skinframes, if some are not used they
71 // on 32bit systems this makes the struct 128 bytes long
78 typedef struct overridetagname_s
84 // a replacement set of tag names, per skin
85 typedef struct overridetagnameset_s
87 int num_overridetagnames;
88 overridetagname_t *data_overridetagnames;
95 // used for mesh lists in q1bsp/q3bsp map models
96 // (the surfaces reference portions of these meshes)
97 typedef struct surfmesh_s
99 // triangle data in system memory
100 int num_triangles; // number of triangles in the mesh
101 int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
102 int *data_neighbor3i; // int[tris*3] neighboring triangle on each edge (-1 if none)
103 // element buffer object (stores triangles in video memory)
105 // vertex data in system memory
106 int num_vertices; // number of vertices in the mesh
107 float *data_vertex3f; // float[verts*3] vertex locations
108 float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
109 float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
110 float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
111 float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
112 float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
113 float *data_lightmapcolor4f;
114 int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
115 // vertex buffer object (stores geometry in video memory)
117 size_t vbooffset_vertex3f;
118 size_t vbooffset_svector3f;
119 size_t vbooffset_tvector3f;
120 size_t vbooffset_normal3f;
121 size_t vbooffset_texcoordtexture2f;
122 size_t vbooffset_texcoordlightmap2f;
123 size_t vbooffset_lightmapcolor4f;
124 // morph blending, these are zero if model is skeletal or static
126 struct md3vertex_s *data_morphmd3vertex;
127 struct trivertx_s *data_morphmdlvertex;
128 float *data_morphmd2framesize6f;
129 float num_morphmdlframescale[3];
130 float num_morphmdlframetranslate[3];
131 // skeletal blending, these are NULL if model is morph or static
132 int *data_vertexweightindex4i;
133 float *data_vertexweightinfluence4f;
134 // set if there is some kind of animation on this model
139 #define SHADOWMESHVERTEXHASH 1024
140 typedef struct shadowmeshvertexhash_s
142 struct shadowmeshvertexhash_s *next;
144 shadowmeshvertexhash_t;
146 typedef struct shadowmesh_s
148 // next mesh in chain
149 struct shadowmesh_s *next;
150 // used for light mesh (NULL on shadow mesh)
151 rtexture_t *map_diffuse;
152 rtexture_t *map_specular;
153 rtexture_t *map_normal;
155 int numverts, maxverts;
156 int numtriangles, maxtriangles;
159 // used for light mesh (NULL on shadow mesh)
166 // used for shadow mesh (NULL on light mesh)
168 // these are NULL after Mod_ShadowMesh_Finish is performed, only used
169 // while building meshes
170 shadowmeshvertexhash_t **vertexhashtable, *vertexhashentries;
171 // element buffer object (stores triangles in video memory)
172 // (created by Mod_ShadowMesh_Finish if possible)
174 // vertex buffer object (stores vertices in video memory)
175 // (created by Mod_ShadowMesh_Finish if possible)
177 size_t vbooffset_vertex3f;
178 size_t vbooffset_svector3f;
179 size_t vbooffset_tvector3f;
180 size_t vbooffset_normal3f;
181 size_t vbooffset_texcoord2f;
185 #define Q3PATHLENGTH 64
186 #define TEXTURE_MAXFRAMES 64
187 #define Q3SHADER_MAXLAYERS 8
188 #define Q3RGBGEN_MAXPARMS 3
189 #define Q3ALPHAGEN_MAXPARMS 1
190 #define Q3TCGEN_MAXPARMS 6
191 #define Q3TCMOD_MAXPARMS 6
192 #define Q3MAXTCMODS 4
194 typedef enum q3wavefunc_e
197 Q3WAVEFUNC_INVERSESAWTOOTH,
207 typedef enum q3rgbgen_e
212 Q3RGBGEN_EXACTVERTEX,
213 Q3RGBGEN_IDENTITYLIGHTING,
214 Q3RGBGEN_LIGHTINGDIFFUSE,
215 Q3RGBGEN_ONEMINUSENTITY,
216 Q3RGBGEN_ONEMINUSVERTEX,
223 typedef enum q3alphagen_e
228 Q3ALPHAGEN_LIGHTINGSPECULAR,
229 Q3ALPHAGEN_ONEMINUSENTITY,
230 Q3ALPHAGEN_ONEMINUSVERTEX,
238 typedef enum q3tcgen_e
241 Q3TCGEN_TEXTURE, // very common
242 Q3TCGEN_ENVIRONMENT, // common
249 typedef enum q3tcmod_e
252 Q3TCMOD_ENTITYTRANSLATE,
263 typedef struct q3shaderinfo_layer_s
269 char texturename[TEXTURE_MAXFRAMES][Q3PATHLENGTH];
272 q3alphagen_t alphagen;
274 q3tcmod_t tcmod[Q3MAXTCMODS];
275 float rgbgen_parms[Q3RGBGEN_MAXPARMS];
276 q3wavefunc_t rgbgen_wavefunc;
277 float alphagen_parms[Q3ALPHAGEN_MAXPARMS];
278 q3wavefunc_t alphagen_wavefunc;
279 float tcgen_parms[Q3TCGEN_MAXPARMS];
280 float tcmod_parms[Q3MAXTCMODS][Q3TCMOD_MAXPARMS];
281 q3wavefunc_t tcmod_wavefunc[Q3MAXTCMODS];
283 q3shaderinfo_layer_t;
285 typedef struct q3shaderinfo_s
287 char name[Q3PATHLENGTH];
292 qboolean vertexalpha;
293 qboolean textureblendalpha;
294 q3shaderinfo_layer_t *primarylayer, *backgroundlayer;
295 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
296 char skyboxname[Q3PATHLENGTH];
300 typedef enum texturelayertype_e
302 TEXTURELAYERTYPE_INVALID,
303 TEXTURELAYERTYPE_LITTEXTURE,
304 TEXTURELAYERTYPE_TEXTURE,
305 TEXTURELAYERTYPE_FOG,
309 typedef enum texturelayerflag_e
311 // indicates that the pass should apply fog darkening; used on
312 // transparent surfaces where simply blending an alpha fog as a final
313 // pass would not behave properly, so all the surfaces must be darkened,
314 // and the fog color added as a separate pass
315 TEXTURELAYERFLAG_FOGDARKEN = 1,
319 typedef struct texturelayer_s
321 texturelayertype_t type;
326 matrix4x4_t texmatrix;
332 typedef struct texture_s
338 unsigned int width, height;
340 //unsigned int flags;
342 // base material flags
343 int basematerialflags;
344 // current material flags (updated each bmodel render)
345 int currentmaterialflags;
347 // textures to use when rendering this material
348 skinframe_t *currentskinframe;
351 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
352 // background layer (for terrain texture blending)
353 skinframe_t *backgroundcurrentskinframe;
354 int backgroundnumskinframes;
355 float backgroundskinframerate;
356 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
358 // total frames in sequence and alternate sequence
360 // direct pointers to each of the frames in the sequences
361 // (indexed as [alternate][frame])
362 struct texture_s *anim_frames[2][10];
363 // set if animated or there is an alternate frame set
364 // (this is an optimization in the renderer)
367 // the current alpha of this texture (may be affected by r_wateralpha)
369 // the current texture frame in animation
370 struct texture_s *currentframe;
371 // current texture transform matrix (used for water scrolling)
372 matrix4x4_t currenttexmatrix;
374 // various q3 shader features
376 q3alphagen_t alphagen;
378 q3tcmod_t tcmod[Q3MAXTCMODS];
379 float rgbgen_parms[Q3RGBGEN_MAXPARMS];
380 q3wavefunc_t rgbgen_wavefunc;
381 float alphagen_parms[Q3ALPHAGEN_MAXPARMS];
382 q3wavefunc_t alphagen_wavefunc;
383 float tcgen_parms[Q3TCGEN_MAXPARMS];
384 float tcmod_parms[Q3MAXTCMODS][Q3TCMOD_MAXPARMS];
385 q3wavefunc_t tcmod_wavefunc[Q3MAXTCMODS];
387 qboolean colormapping;
388 rtexture_t *basetexture;
389 rtexture_t *glosstexture;
390 rtexture_t *backgroundbasetexture;
391 rtexture_t *backgroundglosstexture;
396 int customblendfunc[2];
398 int currentnumlayers;
399 texturelayer_t currentlayers[16];
410 typedef struct mtexinfo_s
418 typedef struct msurface_lightmapinfo_s
420 // texture mapping properties used by this surface
421 mtexinfo_t *texinfo; // q1bsp
422 // index into r_refdef.lightstylevalue array, 255 means not used (black)
423 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
424 // RGB lighting data [numstyles][height][width][3]
425 unsigned char *samples; // q1bsp
426 // RGB normalmap data [numstyles][height][width][3]
427 unsigned char *nmapsamples; // q1bsp
428 // stain to apply on lightmap (soot/dirt/blood/whatever)
429 unsigned char *stainsamples; // q1bsp
430 int texturemins[2]; // q1bsp
431 int extents[2]; // q1bsp
432 int lightmaporigin[2]; // q1bsp
434 msurface_lightmapinfo_t;
437 typedef struct msurface_s
439 // bounding box for onscreen checks
442 // the texture to use on the surface
444 // the lightmap texture fragment to use on the rendering mesh
445 rtexture_t *lightmaptexture;
446 // the lighting direction texture fragment to use on the rendering mesh
447 rtexture_t *deluxemaptexture;
449 // surfaces own ranges of vertices and triangles in the model->surfmesh
450 int num_triangles; // number of triangles
451 int num_firsttriangle; // first triangle
452 int num_vertices; // number of vertices
453 int num_firstvertex; // first vertex
455 // shadow volume building information
456 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
458 // lightmaptexture rebuild information not used in q3bsp
459 int cached_dlight; // q1bsp // forces rebuild of lightmaptexture
460 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
462 // mesh information for collisions (only used by q3bsp curves)
463 int num_collisiontriangles; // q3bsp
464 int *data_collisionelement3i; // q3bsp
465 int num_collisionvertices; // q3bsp
466 float *data_collisionvertex3f; // q3bsp
467 struct q3deffect_s *effect; // q3bsp
468 // FIXME: collisionmarkframe should be kept in a separate array
469 int collisionmarkframe; // q3bsp // don't collide twice in one trace
473 #include "matrixlib.h"
475 #include "model_brush.h"
476 #include "model_sprite.h"
477 #include "model_alias.h"
479 typedef struct model_sprite_s
482 mspriteframe_t *sprdata_frames;
488 typedef struct model_brush_s
490 // true if this model is a HalfLife .bsp file
492 // true if this model is a Martial Concert .bsp file
494 // string of entity definitions (.map format)
497 // if non-zero this is a submodel
498 // (this is the number of the submodel, an index into submodels)
501 // number of submodels in this map (just used by server to know how many
502 // submodels to load)
504 // pointers to each of the submodels if .isworldmodel is true
505 struct model_s **submodels;
508 mplane_t *data_planes;
513 // visible leafs, not counting 0 (solid)
515 // number of actual leafs (including 0 which is solid)
520 int *data_leafbrushes;
522 int num_leafsurfaces;
523 int *data_leafsurfaces;
526 mportal_t *data_portals;
528 int num_portalpoints;
529 mvertex_t *data_portalpoints;
532 q3mbrush_t *data_brushes;
535 q3mbrushside_t *data_brushsides;
539 int num_pvsclusterbytes;
540 unsigned char *data_pvsclusters;
542 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
543 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
545 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
546 shadowmesh_t *shadowmesh;
549 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
550 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
551 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
552 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength);
553 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
554 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
555 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
556 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
557 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
558 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
559 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
560 // these are actually only found on brushq1, but NULL is handled gracefully
561 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
562 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
563 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
564 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
566 char skybox[MAX_QPATH];
568 rtexture_t *solidskytexture;
569 rtexture_t *alphaskytexture;
571 qboolean supportwateralpha;
579 typedef struct model_brushq1_s
581 // lightmap format, set to r_lightmaprgba when model is loaded
599 dclipnode_t *clipnodes;
601 hull_t hulls[MAX_MAP_HULLS];
603 int num_compressedpvs;
604 unsigned char *data_compressedpvs;
607 unsigned char *lightdata;
608 unsigned char *nmaplightdata; // deluxemap file
610 // lightmap update chains for light styles
612 unsigned char *light_style;
613 int *light_stylevalue;
614 msurface_t ***light_styleupdatechains;
615 msurface_t **light_styleupdatechainsbuffer;
619 /* MSVC can't compile empty structs, so this is commented out for now
620 typedef struct model_brushq2_s
626 typedef struct model_brushq3_s
629 q3dmodel_t *data_models;
631 // used only during loading - freed after loading!
633 float *data_vertex3f;
634 float *data_normal3f;
635 float *data_texcoordtexture2f;
636 float *data_texcoordlightmap2f;
639 // freed after loading!
644 q3deffect_t *data_effects;
647 int num_originallightmaps;
648 int num_mergedlightmaps;
649 int num_lightmapmergepower;
650 int num_lightmapmerge;
651 rtexture_t **data_lightmaps;
652 rtexture_t **data_deluxemaps;
654 // voxel light data with directional shading
656 q3dlightgrid_t *data_lightgrid;
657 // size of each cell (may vary by map, typically 64 64 128)
658 float num_lightgrid_cellsize[3];
659 // 1.0 / num_lightgrid_cellsize
660 float num_lightgrid_scale[3];
661 // dimensions of the world model in lightgrid cells
662 int num_lightgrid_imins[3];
663 int num_lightgrid_imaxs[3];
664 int num_lightgrid_isize[3];
666 int num_lightgrid_dimensions[3];
667 // transform modelspace coordinates to lightgrid index
668 matrix4x4_t num_lightgrid_indexfromworld;
670 // true if this q3bsp file has been detected as using deluxemapping
671 // (lightmap texture pairs, every odd one is never directly refernced,
672 // and contains lighting normals, not colors)
673 qboolean deluxemapping;
674 // true if the detected deluxemaps are the modelspace kind, rather than
675 // the faster tangentspace kind
676 qboolean deluxemapping_modelspace;
680 typedef struct model_s
682 // name and path of model, for example "progs/player.mdl"
683 char name[MAX_QPATH];
684 // model needs to be loaded if this is false
686 // set if the model is used in current map, models which are not, are purged
688 // true if this is the world model (I.E. defines what sky to use, and may contain submodels)
689 qboolean isworldmodel;
690 // CRC of the file this model was loaded from, to reload if changed
692 // mod_brush, mod_alias, mod_sprite
694 // memory pool for allocations
696 // all models use textures...
697 rtexturepool_t *texturepool;
698 // EF_* flags (translated from the model file's different flags layout)
700 // number of QC accessible frame(group)s in the model
702 // number of QC accessible skin(group)s in the model
704 // whether to randomize animated framegroups
706 // bounding box at angles '0 0 0'
707 vec3_t normalmins, normalmaxs;
708 // bounding box if yaw angle is not 0, but pitch and roll are
709 vec3_t yawmins, yawmaxs;
710 // bounding box if pitch or roll are used
711 vec3_t rotatedmins, rotatedmaxs;
712 // sphere radius, usable at any angles
714 // squared sphere radius for easier comparisons
716 // skin animation info
717 animscene_t *skinscenes; // [numskins]
718 // skin animation info
719 animscene_t *animscenes; // [numframes]
720 // range of surface numbers in this (sub)model
721 int firstmodelsurface;
722 int nummodelsurfaces;
723 // range of collision brush numbers in this (sub)model
726 // list of surface numbers in this (sub)model
731 aliastag_t *data_tags;
732 // for skeletal models
734 aliasbone_t *data_bones;
737 float *data_baseboneposeinverse;
738 // textures of this model
740 int num_texturesperskin;
741 texture_t *data_textures;
742 // surfaces of this model
744 msurface_t *data_surfaces;
745 // optional lightmapinfo data for surface lightmap updates
746 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
747 // all surfaces belong to this mesh
749 // draw the model's sky polygons (only used by brush models)
750 void(*DrawSky)(struct entity_render_s *ent);
751 // draw the model using lightmap/dlight shading
752 void(*Draw)(struct entity_render_s *ent);
753 // draw the model to the depth buffer (no color rendering at all)
754 void(*DrawDepth)(struct entity_render_s *ent);
755 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
756 void(*GetLightInfo)(struct entity_render_s *ent, vec3_t relativelightorigin, float lightradius, vec3_t outmins, vec3_t outmaxs, int *outleaflist, unsigned char *outleafpvs, int *outnumleafspointer, int *outsurfacelist, unsigned char *outsurfacepvs, int *outnumsurfacespointer, unsigned char *outshadowtrispvs, unsigned char *outlighttrispvs);
757 // compile a shadow volume for the model based on light source
758 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
759 // draw a shadow volume for the model based on light source
760 void(*DrawShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs);
761 // draw the lighting on a model (through stencil)
762 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
763 // trace a box against this model
764 void (*TraceBox)(struct model_s *model, int frame, struct trace_s *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask);
765 // fields belonging to some types of model
766 model_sprite_t sprite;
768 model_brushq1_t brushq1;
769 /* MSVC can't handle an empty struct, so this is commented out for now
770 model_brushq2_t brushq2;
772 model_brushq3_t brushq3;
773 // skin files can have different tags for each skin
774 overridetagnameset_t *data_overridetagnamesforskin;
775 // flags this model for offseting sounds to the model center (used by brush models)
780 //============================================================================
783 extern model_t *loadmodel;
784 extern unsigned char *mod_base;
785 // sky/water subdivision
786 //extern cvar_t gl_subdivide_size;
787 // texture fullbrights
788 extern cvar_t r_fullbrights;
790 void Mod_Init (void);
791 void Mod_Reload (void);
792 model_t *Mod_LoadModel(model_t *mod, qboolean crash, qboolean checkdisk, qboolean isworldmodel);
793 model_t *Mod_FindName (const char *name);
794 model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, qboolean isworldmodel);
795 void Mod_UnloadModel (model_t *mod);
797 void Mod_ClearUsed(void);
798 void Mod_PurgeUnused(void);
799 void Mod_RemoveStaleWorldModels(model_t *skip); // only used during loading!
801 extern model_t *loadmodel;
802 extern char loadname[32]; // for hunk tags
804 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
805 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
806 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
807 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
808 void Mod_BuildTextureVectorsFromNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const float *texcoord2f, const float *normal3f, const int *elements, float *svector3f, float *tvector3f, qboolean areaweighting);
810 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
812 shadowmesh_t *Mod_ShadowMesh_Alloc(mempool_t *mempool, int maxverts, int maxtriangles, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, int light, int neighbors, int expandable);
813 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
814 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
815 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
816 void Mod_ShadowMesh_AddMesh(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *texcoord2f, int numtris, const int *element3i);
817 shadowmesh_t *Mod_ShadowMesh_Begin(mempool_t *mempool, int maxverts, int maxtriangles, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, int light, int neighbors, int expandable);
818 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
819 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
820 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
822 void Mod_LoadQ3Shaders(void);
823 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
824 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean q1bsp, qboolean q3bsp, qboolean md3);
826 extern cvar_t r_mipskins;
828 typedef struct skinfileitem_s
830 struct skinfileitem_s *next;
831 char name[MAX_QPATH];
832 char replacement[MAX_QPATH];
836 typedef struct skinfile_s
838 struct skinfile_s *next;
839 skinfileitem_t *items;
843 skinfile_t *Mod_LoadSkinFiles(void);
844 void Mod_FreeSkinFiles(skinfile_t *skinfile);
845 int Mod_CountSkinFiles(skinfile_t *skinfile);
847 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
848 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
849 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
852 void Mod_BrushInit(void);
853 // used for talking to the QuakeC mainly
854 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
855 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
857 // a lot of model formats use the Q1BSP code, so here are the prototypes...
858 struct entity_render_s;
859 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
860 void R_Q1BSP_Draw(struct entity_render_s *ent);
861 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
862 void R_Q1BSP_GetLightInfo(struct entity_render_s *ent, vec3_t relativelightorigin, float lightradius, vec3_t outmins, vec3_t outmaxs, int *outleaflist, unsigned char *outleafpvs, int *outnumleafspointer, int *outsurfacelist, unsigned char *outsurfacepvs, int *outnumsurfacespointer, unsigned char *outshadowtrispvs, unsigned char *outlighttrispvs);
863 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
864 void R_Q1BSP_DrawShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs);
865 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
869 void Mod_AliasInit(void);
870 void Mod_Alias_GetMesh_Vertices(const model_t *model, const struct frameblend_s *frameblend, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f);
871 int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix);
872 int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname);
875 void Mod_SpriteInit(void);
878 void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend);
879 void Mod_IBSP_Load(model_t *mod, void *buffer, void *bufferend);
880 void Mod_MAP_Load(model_t *mod, void *buffer, void *bufferend);
881 void Mod_IDP0_Load(model_t *mod, void *buffer, void *bufferend);
882 void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend);
883 void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend);
884 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend);
885 void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend);
886 void Mod_PSKMODEL_Load(model_t *mod, void *buffer, void *bufferend);
887 void Mod_IDSP_Load(model_t *mod, void *buffer, void *bufferend);
888 void Mod_IDS2_Load(model_t *mod, void *buffer, void *bufferend);
891 qboolean Mod_CanSeeBox_Trace(int numsamples, float t, model_t *model, vec3_t eye, vec3_t minsX, vec3_t maxsX);
893 #endif // MODEL_SHARED_H