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 // various flags from shaders, used for special effects not otherwise classified
186 // TODO: support these features more directly
187 #define Q3TEXTUREFLAG_TWOSIDED 1
188 #define Q3TEXTUREFLAG_NOPICMIP 16
190 #define Q3PATHLENGTH 64
191 #define TEXTURE_MAXFRAMES 64
192 #define Q3WAVEPARMS 4
193 #define Q3DEFORM_MAXPARMS 3
194 #define Q3SHADER_MAXLAYERS 8
195 #define Q3RGBGEN_MAXPARMS 3
196 #define Q3ALPHAGEN_MAXPARMS 1
197 #define Q3TCGEN_MAXPARMS 6
198 #define Q3TCMOD_MAXPARMS 6
199 #define Q3MAXTCMODS 4
200 #define Q3MAXDEFORMS 4
202 typedef enum q3wavefunc_e
205 Q3WAVEFUNC_INVERSESAWTOOTH,
215 typedef enum q3deform_e
218 Q3DEFORM_PROJECTIONSHADOW,
220 Q3DEFORM_AUTOSPRITE2,
237 typedef enum q3rgbgen_e
242 Q3RGBGEN_EXACTVERTEX,
243 Q3RGBGEN_IDENTITYLIGHTING,
244 Q3RGBGEN_LIGHTINGDIFFUSE,
245 Q3RGBGEN_ONEMINUSENTITY,
246 Q3RGBGEN_ONEMINUSVERTEX,
253 typedef enum q3alphagen_e
258 Q3ALPHAGEN_LIGHTINGSPECULAR,
259 Q3ALPHAGEN_ONEMINUSENTITY,
260 Q3ALPHAGEN_ONEMINUSVERTEX,
268 typedef enum q3tcgen_e
271 Q3TCGEN_TEXTURE, // very common
272 Q3TCGEN_ENVIRONMENT, // common
279 typedef enum q3tcmod_e
282 Q3TCMOD_ENTITYTRANSLATE,
293 typedef struct q3shaderinfo_layer_rgbgen_s
296 float parms[Q3RGBGEN_MAXPARMS];
297 q3wavefunc_t wavefunc;
298 float waveparms[Q3WAVEPARMS];
300 q3shaderinfo_layer_rgbgen_t;
302 typedef struct q3shaderinfo_layer_alphagen_s
304 q3alphagen_t alphagen;
305 float parms[Q3ALPHAGEN_MAXPARMS];
306 q3wavefunc_t wavefunc;
307 float waveparms[Q3WAVEPARMS];
309 q3shaderinfo_layer_alphagen_t;
311 typedef struct q3shaderinfo_layer_tcgen_s
314 float parms[Q3TCGEN_MAXPARMS];
316 q3shaderinfo_layer_tcgen_t;
318 typedef struct q3shaderinfo_layer_tcmod_s
321 float parms[Q3TCMOD_MAXPARMS];
322 q3wavefunc_t wavefunc;
323 float waveparms[Q3WAVEPARMS];
325 q3shaderinfo_layer_tcmod_t;
327 typedef struct q3shaderinfo_layer_s
333 char texturename[TEXTURE_MAXFRAMES][Q3PATHLENGTH];
335 q3shaderinfo_layer_rgbgen_t rgbgen;
336 q3shaderinfo_layer_alphagen_t alphagen;
337 q3shaderinfo_layer_tcgen_t tcgen;
338 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
340 q3shaderinfo_layer_t;
342 typedef struct q3shaderinfo_deform_s
345 float parms[Q3DEFORM_MAXPARMS];
346 q3wavefunc_t wavefunc;
347 float waveparms[Q3WAVEPARMS];
349 q3shaderinfo_deform_t;
351 typedef struct q3shaderinfo_s
353 char name[Q3PATHLENGTH];
358 qboolean vertexalpha;
359 qboolean textureblendalpha;
360 q3shaderinfo_layer_t *primarylayer, *backgroundlayer;
361 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
362 char skyboxname[Q3PATHLENGTH];
363 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
367 typedef enum texturelayertype_e
369 TEXTURELAYERTYPE_INVALID,
370 TEXTURELAYERTYPE_LITTEXTURE,
371 TEXTURELAYERTYPE_TEXTURE,
372 TEXTURELAYERTYPE_FOG,
376 typedef enum texturelayerflag_e
378 // indicates that the pass should apply fog darkening; used on
379 // transparent surfaces where simply blending an alpha fog as a final
380 // pass would not behave properly, so all the surfaces must be darkened,
381 // and the fog color added as a separate pass
382 TEXTURELAYERFLAG_FOGDARKEN = 1,
386 typedef struct texturelayer_s
388 texturelayertype_t type;
393 matrix4x4_t texmatrix;
399 typedef struct texture_s
405 unsigned int width, height;
407 //unsigned int flags;
409 // base material flags
410 int basematerialflags;
411 // current material flags (updated each bmodel render)
412 int currentmaterialflags;
414 // current PolygonOffset values for rendering this material
415 float currentpolygonfactor;
416 float currentpolygonoffset;
418 // textures to use when rendering this material
419 skinframe_t *currentskinframe;
422 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
423 // background layer (for terrain texture blending)
424 skinframe_t *backgroundcurrentskinframe;
425 int backgroundnumskinframes;
426 float backgroundskinframerate;
427 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
429 // total frames in sequence and alternate sequence
431 // direct pointers to each of the frames in the sequences
432 // (indexed as [alternate][frame])
433 struct texture_s *anim_frames[2][10];
434 // set if animated or there is an alternate frame set
435 // (this is an optimization in the renderer)
438 // the current alpha of this texture (may be affected by r_wateralpha)
440 // the current texture frame in animation
441 struct texture_s *currentframe;
442 // current texture transform matrix (used for water scrolling)
443 matrix4x4_t currenttexmatrix;
445 // various q3 shader features
446 q3shaderinfo_layer_rgbgen_t rgbgen;
447 q3shaderinfo_layer_alphagen_t alphagen;
448 q3shaderinfo_layer_tcgen_t tcgen;
449 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
450 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
452 qboolean colormapping;
453 rtexture_t *basetexture;
454 rtexture_t *glosstexture;
455 rtexture_t *backgroundbasetexture;
456 rtexture_t *backgroundglosstexture;
459 // color tint (colormod * currentalpha) used for rtlighting this material
460 float dlightcolor[3];
463 int customblendfunc[2];
465 int currentnumlayers;
466 texturelayer_t currentlayers[16];
477 typedef struct mtexinfo_s
485 typedef struct msurface_lightmapinfo_s
487 // texture mapping properties used by this surface
488 mtexinfo_t *texinfo; // q1bsp
489 // index into r_refdef.lightstylevalue array, 255 means not used (black)
490 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
491 // RGB lighting data [numstyles][height][width][3]
492 unsigned char *samples; // q1bsp
493 // RGB normalmap data [numstyles][height][width][3]
494 unsigned char *nmapsamples; // q1bsp
495 // stain to apply on lightmap (soot/dirt/blood/whatever)
496 unsigned char *stainsamples; // q1bsp
497 int texturemins[2]; // q1bsp
498 int extents[2]; // q1bsp
499 int lightmaporigin[2]; // q1bsp
501 msurface_lightmapinfo_t;
504 typedef struct msurface_s
506 // bounding box for onscreen checks
509 // the texture to use on the surface
511 // the lightmap texture fragment to use on the rendering mesh
512 rtexture_t *lightmaptexture;
513 // the lighting direction texture fragment to use on the rendering mesh
514 rtexture_t *deluxemaptexture;
516 // surfaces own ranges of vertices and triangles in the model->surfmesh
517 int num_triangles; // number of triangles
518 int num_firsttriangle; // first triangle
519 int num_vertices; // number of vertices
520 int num_firstvertex; // first vertex
522 // shadow volume building information
523 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
525 // lightmaptexture rebuild information not used in q3bsp
526 int cached_dlight; // q1bsp // forces rebuild of lightmaptexture
527 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
529 // mesh information for collisions (only used by q3bsp curves)
530 int num_collisiontriangles; // q3bsp
531 int *data_collisionelement3i; // q3bsp
532 int num_collisionvertices; // q3bsp
533 float *data_collisionvertex3f; // q3bsp
534 struct q3deffect_s *effect; // q3bsp
535 // FIXME: collisionmarkframe should be kept in a separate array
536 int collisionmarkframe; // q3bsp // don't collide twice in one trace
540 #include "matrixlib.h"
542 #include "model_brush.h"
543 #include "model_sprite.h"
544 #include "model_alias.h"
546 typedef struct model_sprite_s
549 mspriteframe_t *sprdata_frames;
555 typedef struct model_brush_s
557 // true if this model is a HalfLife .bsp file
559 // true if this model is a Martial Concert .bsp file
561 // string of entity definitions (.map format)
564 // if non-zero this is a submodel
565 // (this is the number of the submodel, an index into submodels)
568 // number of submodels in this map (just used by server to know how many
569 // submodels to load)
571 // pointers to each of the submodels if .isworldmodel is true
572 struct model_s **submodels;
575 mplane_t *data_planes;
580 // visible leafs, not counting 0 (solid)
582 // number of actual leafs (including 0 which is solid)
587 int *data_leafbrushes;
589 int num_leafsurfaces;
590 int *data_leafsurfaces;
593 mportal_t *data_portals;
595 int num_portalpoints;
596 mvertex_t *data_portalpoints;
599 q3mbrush_t *data_brushes;
602 q3mbrushside_t *data_brushsides;
606 int num_pvsclusterbytes;
607 unsigned char *data_pvsclusters;
609 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
610 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
612 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
613 shadowmesh_t *shadowmesh;
616 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
617 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
618 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
619 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength);
620 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
621 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
622 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
623 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
624 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
625 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
626 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
627 // these are actually only found on brushq1, but NULL is handled gracefully
628 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
629 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
630 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
631 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
633 char skybox[MAX_QPATH];
635 rtexture_t *solidskytexture;
636 rtexture_t *alphaskytexture;
638 qboolean supportwateralpha;
646 typedef struct model_brushq1_s
648 // lightmap format, set to r_lightmaprgba when model is loaded
666 dclipnode_t *clipnodes;
668 hull_t hulls[MAX_MAP_HULLS];
670 int num_compressedpvs;
671 unsigned char *data_compressedpvs;
674 unsigned char *lightdata;
675 unsigned char *nmaplightdata; // deluxemap file
677 // lightmap update chains for light styles
679 unsigned char *light_style;
680 int *light_stylevalue;
681 msurface_t ***light_styleupdatechains;
682 msurface_t **light_styleupdatechainsbuffer;
686 /* MSVC can't compile empty structs, so this is commented out for now
687 typedef struct model_brushq2_s
693 typedef struct model_brushq3_s
696 q3dmodel_t *data_models;
698 // used only during loading - freed after loading!
700 float *data_vertex3f;
701 float *data_normal3f;
702 float *data_texcoordtexture2f;
703 float *data_texcoordlightmap2f;
706 // freed after loading!
711 q3deffect_t *data_effects;
714 int num_originallightmaps;
715 int num_mergedlightmaps;
716 int num_lightmapmergepower;
717 int num_lightmapmerge;
718 rtexture_t **data_lightmaps;
719 rtexture_t **data_deluxemaps;
721 // voxel light data with directional shading
723 q3dlightgrid_t *data_lightgrid;
724 // size of each cell (may vary by map, typically 64 64 128)
725 float num_lightgrid_cellsize[3];
726 // 1.0 / num_lightgrid_cellsize
727 float num_lightgrid_scale[3];
728 // dimensions of the world model in lightgrid cells
729 int num_lightgrid_imins[3];
730 int num_lightgrid_imaxs[3];
731 int num_lightgrid_isize[3];
733 int num_lightgrid_dimensions[3];
734 // transform modelspace coordinates to lightgrid index
735 matrix4x4_t num_lightgrid_indexfromworld;
737 // true if this q3bsp file has been detected as using deluxemapping
738 // (lightmap texture pairs, every odd one is never directly refernced,
739 // and contains lighting normals, not colors)
740 qboolean deluxemapping;
741 // true if the detected deluxemaps are the modelspace kind, rather than
742 // the faster tangentspace kind
743 qboolean deluxemapping_modelspace;
747 typedef struct model_s
749 // name and path of model, for example "progs/player.mdl"
750 char name[MAX_QPATH];
751 // model needs to be loaded if this is false
753 // set if the model is used in current map, models which are not, are purged
755 // true if this is the world model (I.E. defines what sky to use, and may contain submodels)
756 qboolean isworldmodel;
757 // CRC of the file this model was loaded from, to reload if changed
759 // mod_brush, mod_alias, mod_sprite
761 // memory pool for allocations
763 // all models use textures...
764 rtexturepool_t *texturepool;
765 // EF_* flags (translated from the model file's different flags layout)
767 // number of QC accessible frame(group)s in the model
769 // number of QC accessible skin(group)s in the model
771 // whether to randomize animated framegroups
773 // bounding box at angles '0 0 0'
774 vec3_t normalmins, normalmaxs;
775 // bounding box if yaw angle is not 0, but pitch and roll are
776 vec3_t yawmins, yawmaxs;
777 // bounding box if pitch or roll are used
778 vec3_t rotatedmins, rotatedmaxs;
779 // sphere radius, usable at any angles
781 // squared sphere radius for easier comparisons
783 // skin animation info
784 animscene_t *skinscenes; // [numskins]
785 // skin animation info
786 animscene_t *animscenes; // [numframes]
787 // range of surface numbers in this (sub)model
788 int firstmodelsurface;
789 int nummodelsurfaces;
790 // range of collision brush numbers in this (sub)model
793 // list of surface numbers in this (sub)model
798 aliastag_t *data_tags;
799 // for skeletal models
801 aliasbone_t *data_bones;
804 float *data_baseboneposeinverse;
805 // textures of this model
807 int num_texturesperskin;
808 texture_t *data_textures;
809 // surfaces of this model
811 msurface_t *data_surfaces;
812 // optional lightmapinfo data for surface lightmap updates
813 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
814 // all surfaces belong to this mesh
816 // draw the model's sky polygons (only used by brush models)
817 void(*DrawSky)(struct entity_render_s *ent);
818 // draw the model using lightmap/dlight shading
819 void(*Draw)(struct entity_render_s *ent);
820 // draw the model to the depth buffer (no color rendering at all)
821 void(*DrawDepth)(struct entity_render_s *ent);
822 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
823 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);
824 // compile a shadow volume for the model based on light source
825 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
826 // draw a shadow volume for the model based on light source
827 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);
828 // draw the lighting on a model (through stencil)
829 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
830 // trace a box against this model
831 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);
832 // fields belonging to some types of model
833 model_sprite_t sprite;
835 model_brushq1_t brushq1;
836 /* MSVC can't handle an empty struct, so this is commented out for now
837 model_brushq2_t brushq2;
839 model_brushq3_t brushq3;
840 // skin files can have different tags for each skin
841 overridetagnameset_t *data_overridetagnamesforskin;
842 // flags this model for offseting sounds to the model center (used by brush models)
847 //============================================================================
850 extern model_t *loadmodel;
851 extern unsigned char *mod_base;
852 // sky/water subdivision
853 //extern cvar_t gl_subdivide_size;
854 // texture fullbrights
855 extern cvar_t r_fullbrights;
857 void Mod_Init (void);
858 void Mod_Reload (void);
859 model_t *Mod_LoadModel(model_t *mod, qboolean crash, qboolean checkdisk, qboolean isworldmodel);
860 model_t *Mod_FindName (const char *name);
861 model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, qboolean isworldmodel);
862 void Mod_UnloadModel (model_t *mod);
864 void Mod_ClearUsed(void);
865 void Mod_PurgeUnused(void);
866 void Mod_RemoveStaleWorldModels(model_t *skip); // only used during loading!
868 extern model_t *loadmodel;
869 extern char loadname[32]; // for hunk tags
871 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
872 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
873 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
874 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
875 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);
877 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
879 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);
880 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
881 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
882 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
883 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);
884 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);
885 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
886 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
887 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
889 void Mod_LoadQ3Shaders(void);
890 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
891 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean q1bsp, qboolean q3bsp, qboolean md3);
893 extern cvar_t r_mipskins;
895 typedef struct skinfileitem_s
897 struct skinfileitem_s *next;
898 char name[MAX_QPATH];
899 char replacement[MAX_QPATH];
903 typedef struct skinfile_s
905 struct skinfile_s *next;
906 skinfileitem_t *items;
910 skinfile_t *Mod_LoadSkinFiles(void);
911 void Mod_FreeSkinFiles(skinfile_t *skinfile);
912 int Mod_CountSkinFiles(skinfile_t *skinfile);
914 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
915 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
916 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
919 void Mod_BrushInit(void);
920 // used for talking to the QuakeC mainly
921 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
922 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
924 // a lot of model formats use the Q1BSP code, so here are the prototypes...
925 struct entity_render_s;
926 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
927 void R_Q1BSP_Draw(struct entity_render_s *ent);
928 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
929 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);
930 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
931 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);
932 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
936 void Mod_AliasInit(void);
937 void Mod_Alias_GetMesh_Vertices(const model_t *model, const struct frameblend_s *frameblend, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f);
938 int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix);
939 int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname);
942 void Mod_SpriteInit(void);
945 void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend);
946 void Mod_IBSP_Load(model_t *mod, void *buffer, void *bufferend);
947 void Mod_MAP_Load(model_t *mod, void *buffer, void *bufferend);
948 void Mod_IDP0_Load(model_t *mod, void *buffer, void *bufferend);
949 void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend);
950 void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend);
951 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend);
952 void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend);
953 void Mod_PSKMODEL_Load(model_t *mod, void *buffer, void *bufferend);
954 void Mod_IDSP_Load(model_t *mod, void *buffer, void *bufferend);
955 void Mod_IDS2_Load(model_t *mod, void *buffer, void *bufferend);
958 qboolean Mod_CanSeeBox_Trace(int numsamples, float t, model_t *model, vec3_t eye, vec3_t minsX, vec3_t maxsX);
960 #endif // MODEL_SHARED_H