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;
94 typedef struct texvecvertex_s
101 // used for mesh lists in q1bsp/q3bsp map models
102 // (the surfaces reference portions of these meshes)
103 typedef struct surfmesh_s
105 // triangle data in system memory
106 int num_triangles; // number of triangles in the mesh
107 int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
108 int *data_neighbor3i; // int[tris*3] neighboring triangle on each edge (-1 if none)
109 // element buffer object (stores triangles in video memory)
111 // vertex data in system memory
112 int num_vertices; // number of vertices in the mesh
113 float *data_vertex3f; // float[verts*3] vertex locations
114 float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
115 float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
116 float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
117 float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
118 float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
119 float *data_lightmapcolor4f;
120 int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
121 // vertex buffer object (stores geometry in video memory)
123 size_t vbooffset_vertex3f;
124 size_t vbooffset_svector3f;
125 size_t vbooffset_tvector3f;
126 size_t vbooffset_normal3f;
127 size_t vbooffset_texcoordtexture2f;
128 size_t vbooffset_texcoordlightmap2f;
129 size_t vbooffset_lightmapcolor4f;
130 // morph blending, these are zero if model is skeletal or static
132 struct md3vertex_s *data_morphmd3vertex;
133 struct trivertx_s *data_morphmdlvertex;
134 struct texvecvertex_s *data_morphtexvecvertex;
135 float *data_morphmd2framesize6f;
136 float num_morphmdlframescale[3];
137 float num_morphmdlframetranslate[3];
138 // skeletal blending, these are NULL if model is morph or static
139 int *data_vertexweightindex4i;
140 float *data_vertexweightinfluence4f;
141 // set if there is some kind of animation on this model
146 #define SHADOWMESHVERTEXHASH 1024
147 typedef struct shadowmeshvertexhash_s
149 struct shadowmeshvertexhash_s *next;
151 shadowmeshvertexhash_t;
153 typedef struct shadowmesh_s
155 // next mesh in chain
156 struct shadowmesh_s *next;
157 // used for light mesh (NULL on shadow mesh)
158 rtexture_t *map_diffuse;
159 rtexture_t *map_specular;
160 rtexture_t *map_normal;
162 int numverts, maxverts;
163 int numtriangles, maxtriangles;
166 // used for light mesh (NULL on shadow mesh)
173 // used for shadow mesh (NULL on light mesh)
175 // these are NULL after Mod_ShadowMesh_Finish is performed, only used
176 // while building meshes
177 shadowmeshvertexhash_t **vertexhashtable, *vertexhashentries;
178 // element buffer object (stores triangles in video memory)
179 // (created by Mod_ShadowMesh_Finish if possible)
181 // vertex buffer object (stores vertices in video memory)
182 // (created by Mod_ShadowMesh_Finish if possible)
184 size_t vbooffset_vertex3f;
185 size_t vbooffset_svector3f;
186 size_t vbooffset_tvector3f;
187 size_t vbooffset_normal3f;
188 size_t vbooffset_texcoord2f;
192 // various flags from shaders, used for special effects not otherwise classified
193 // TODO: support these features more directly
194 #define Q3TEXTUREFLAG_TWOSIDED 1
195 #define Q3TEXTUREFLAG_NOPICMIP 16
196 #define Q3TEXTUREFLAG_POLYGONOFFSET 32
197 #define Q3TEXTUREFLAG_REFRACTION 256
198 #define Q3TEXTUREFLAG_REFLECTION 512
199 #define Q3TEXTUREFLAG_WATERSHADER 1024
201 #define Q3PATHLENGTH 64
202 #define TEXTURE_MAXFRAMES 64
203 #define Q3WAVEPARMS 4
204 #define Q3DEFORM_MAXPARMS 3
205 #define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
206 #define Q3RGBGEN_MAXPARMS 3
207 #define Q3ALPHAGEN_MAXPARMS 1
208 #define Q3TCGEN_MAXPARMS 6
209 #define Q3TCMOD_MAXPARMS 6
210 #define Q3MAXTCMODS 8
211 #define Q3MAXDEFORMS 4
213 typedef enum q3wavefunc_e
216 Q3WAVEFUNC_INVERSESAWTOOTH,
226 typedef enum q3deform_e
229 Q3DEFORM_PROJECTIONSHADOW,
231 Q3DEFORM_AUTOSPRITE2,
248 typedef enum q3rgbgen_e
253 Q3RGBGEN_EXACTVERTEX,
254 Q3RGBGEN_IDENTITYLIGHTING,
255 Q3RGBGEN_LIGHTINGDIFFUSE,
256 Q3RGBGEN_ONEMINUSENTITY,
257 Q3RGBGEN_ONEMINUSVERTEX,
264 typedef enum q3alphagen_e
269 Q3ALPHAGEN_LIGHTINGSPECULAR,
270 Q3ALPHAGEN_ONEMINUSENTITY,
271 Q3ALPHAGEN_ONEMINUSVERTEX,
279 typedef enum q3tcgen_e
282 Q3TCGEN_TEXTURE, // very common
283 Q3TCGEN_ENVIRONMENT, // common
290 typedef enum q3tcmod_e
293 Q3TCMOD_ENTITYTRANSLATE,
304 typedef struct q3shaderinfo_layer_rgbgen_s
307 float parms[Q3RGBGEN_MAXPARMS];
308 q3wavefunc_t wavefunc;
309 float waveparms[Q3WAVEPARMS];
311 q3shaderinfo_layer_rgbgen_t;
313 typedef struct q3shaderinfo_layer_alphagen_s
315 q3alphagen_t alphagen;
316 float parms[Q3ALPHAGEN_MAXPARMS];
317 q3wavefunc_t wavefunc;
318 float waveparms[Q3WAVEPARMS];
320 q3shaderinfo_layer_alphagen_t;
322 typedef struct q3shaderinfo_layer_tcgen_s
325 float parms[Q3TCGEN_MAXPARMS];
327 q3shaderinfo_layer_tcgen_t;
329 typedef struct q3shaderinfo_layer_tcmod_s
332 float parms[Q3TCMOD_MAXPARMS];
333 q3wavefunc_t wavefunc;
334 float waveparms[Q3WAVEPARMS];
336 q3shaderinfo_layer_tcmod_t;
338 typedef struct q3shaderinfo_layer_s
344 char texturename[TEXTURE_MAXFRAMES][Q3PATHLENGTH];
346 q3shaderinfo_layer_rgbgen_t rgbgen;
347 q3shaderinfo_layer_alphagen_t alphagen;
348 q3shaderinfo_layer_tcgen_t tcgen;
349 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
351 q3shaderinfo_layer_t;
353 typedef struct q3shaderinfo_deform_s
356 float parms[Q3DEFORM_MAXPARMS];
357 q3wavefunc_t wavefunc;
358 float waveparms[Q3WAVEPARMS];
360 q3shaderinfo_deform_t;
362 typedef struct q3shaderinfo_s
364 char name[Q3PATHLENGTH];
369 qboolean vertexalpha;
370 qboolean textureblendalpha;
371 q3shaderinfo_layer_t *primarylayer, *backgroundlayer;
372 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
373 char skyboxname[Q3PATHLENGTH];
374 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
376 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
377 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
378 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
379 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
380 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
381 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
385 typedef enum texturelayertype_e
387 TEXTURELAYERTYPE_INVALID,
388 TEXTURELAYERTYPE_LITTEXTURE,
389 TEXTURELAYERTYPE_TEXTURE,
390 TEXTURELAYERTYPE_FOG,
394 typedef enum texturelayerflag_e
396 // indicates that the pass should apply fog darkening; used on
397 // transparent surfaces where simply blending an alpha fog as a final
398 // pass would not behave properly, so all the surfaces must be darkened,
399 // and the fog color added as a separate pass
400 TEXTURELAYERFLAG_FOGDARKEN = 1,
404 typedef struct texturelayer_s
406 texturelayertype_t type;
411 matrix4x4_t texmatrix;
417 typedef struct texture_s
423 unsigned int width, height;
425 //unsigned int flags;
427 // base material flags
428 int basematerialflags;
429 // current material flags (updated each bmodel render)
430 int currentmaterialflags;
432 // current PolygonOffset values for rendering this material
433 float currentpolygonfactor;
434 float currentpolygonoffset;
435 float basepolygonfactor;
436 float basepolygonoffset;
438 // textures to use when rendering this material
439 skinframe_t *currentskinframe;
442 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
443 // background layer (for terrain texture blending)
444 skinframe_t *backgroundcurrentskinframe;
445 int backgroundnumskinframes;
446 float backgroundskinframerate;
447 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
449 // total frames in sequence and alternate sequence
451 // direct pointers to each of the frames in the sequences
452 // (indexed as [alternate][frame])
453 struct texture_s *anim_frames[2][10];
454 // set if animated or there is an alternate frame set
455 // (this is an optimization in the renderer)
458 // the current alpha of this texture (may be affected by r_wateralpha)
460 // the current texture frame in animation
461 struct texture_s *currentframe;
462 // current texture transform matrix (used for water scrolling)
463 matrix4x4_t currenttexmatrix;
465 // various q3 shader features
466 q3shaderinfo_layer_rgbgen_t rgbgen;
467 q3shaderinfo_layer_alphagen_t alphagen;
468 q3shaderinfo_layer_tcgen_t tcgen;
469 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
470 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
472 qboolean colormapping;
473 rtexture_t *basetexture;
474 rtexture_t *glosstexture;
475 rtexture_t *backgroundbasetexture;
476 rtexture_t *backgroundglosstexture;
479 // color tint (colormod * currentalpha) used for rtlighting this material
480 float dlightcolor[3];
483 int customblendfunc[2];
485 int currentnumlayers;
486 texturelayer_t currentlayers[16];
496 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
497 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
498 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
499 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
500 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
501 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
505 typedef struct mtexinfo_s
513 typedef struct msurface_lightmapinfo_s
515 // texture mapping properties used by this surface
516 mtexinfo_t *texinfo; // q1bsp
517 // index into r_refdef.lightstylevalue array, 255 means not used (black)
518 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
519 // RGB lighting data [numstyles][height][width][3]
520 unsigned char *samples; // q1bsp
521 // RGB normalmap data [numstyles][height][width][3]
522 unsigned char *nmapsamples; // q1bsp
523 // stain to apply on lightmap (soot/dirt/blood/whatever)
524 unsigned char *stainsamples; // q1bsp
525 int texturemins[2]; // q1bsp
526 int extents[2]; // q1bsp
527 int lightmaporigin[2]; // q1bsp
529 msurface_lightmapinfo_t;
532 typedef struct msurface_s
534 // bounding box for onscreen checks
537 // the texture to use on the surface
539 // the lightmap texture fragment to use on the rendering mesh
540 rtexture_t *lightmaptexture;
541 // the lighting direction texture fragment to use on the rendering mesh
542 rtexture_t *deluxemaptexture;
544 // surfaces own ranges of vertices and triangles in the model->surfmesh
545 int num_triangles; // number of triangles
546 int num_firsttriangle; // first triangle
547 int num_vertices; // number of vertices
548 int num_firstvertex; // first vertex
550 // shadow volume building information
551 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
553 // lightmaptexture rebuild information not used in q3bsp
554 int cached_dlight; // q1bsp // forces rebuild of lightmaptexture
555 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
557 // mesh information for collisions (only used by q3bsp curves)
558 int num_collisiontriangles; // q3bsp
559 int *data_collisionelement3i; // q3bsp
560 int num_collisionvertices; // q3bsp
561 float *data_collisionvertex3f; // q3bsp
562 struct q3deffect_s *effect; // q3bsp
563 // FIXME: collisionmarkframe should be kept in a separate array
564 int collisionmarkframe; // q3bsp // don't collide twice in one trace
568 #include "matrixlib.h"
570 #include "model_brush.h"
571 #include "model_sprite.h"
572 #include "model_alias.h"
574 typedef struct model_sprite_s
577 mspriteframe_t *sprdata_frames;
583 typedef struct model_brush_s
585 // true if this model is a HalfLife .bsp file
587 // true if this model is a Martial Concert .bsp file
589 // string of entity definitions (.map format)
592 // if non-zero this is a submodel
593 // (this is the number of the submodel, an index into submodels)
596 // number of submodels in this map (just used by server to know how many
597 // submodels to load)
599 // pointers to each of the submodels if .isworldmodel is true
600 struct model_s **submodels;
603 mplane_t *data_planes;
608 // visible leafs, not counting 0 (solid)
610 // number of actual leafs (including 0 which is solid)
615 int *data_leafbrushes;
617 int num_leafsurfaces;
618 int *data_leafsurfaces;
621 mportal_t *data_portals;
623 int num_portalpoints;
624 mvertex_t *data_portalpoints;
627 q3mbrush_t *data_brushes;
630 q3mbrushside_t *data_brushsides;
634 int num_pvsclusterbytes;
635 unsigned char *data_pvsclusters;
637 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
638 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
640 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
641 shadowmesh_t *shadowmesh;
644 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
645 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
646 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
647 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
648 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
649 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
650 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
651 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
652 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
653 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
654 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
655 // these are actually only found on brushq1, but NULL is handled gracefully
656 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
657 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
658 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
659 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
661 char skybox[MAX_QPATH];
663 rtexture_t *solidskytexture;
664 rtexture_t *alphaskytexture;
666 qboolean supportwateralpha;
674 typedef struct model_brushq1_s
691 mclipnode_t *clipnodes;
693 int numhulls; // this variable is only used by MCBSP, other formats know it intuitively
694 hull_t hulls[MAX_MAP_HULLS];
696 int num_compressedpvs;
697 unsigned char *data_compressedpvs;
700 unsigned char *lightdata;
701 unsigned char *nmaplightdata; // deluxemap file
703 // lightmap update chains for light styles
705 unsigned char *light_style;
706 int *light_stylevalue;
707 msurface_t ***light_styleupdatechains;
708 msurface_t **light_styleupdatechainsbuffer;
712 /* MSVC can't compile empty structs, so this is commented out for now
713 typedef struct model_brushq2_s
719 typedef struct model_brushq3_s
722 q3dmodel_t *data_models;
724 // used only during loading - freed after loading!
726 float *data_vertex3f;
727 float *data_normal3f;
728 float *data_texcoordtexture2f;
729 float *data_texcoordlightmap2f;
732 // freed after loading!
737 q3deffect_t *data_effects;
740 int num_originallightmaps;
741 int num_mergedlightmaps;
742 int num_lightmapmergepower;
743 int num_lightmapmerge;
744 rtexture_t **data_lightmaps;
745 rtexture_t **data_deluxemaps;
747 // voxel light data with directional shading
749 q3dlightgrid_t *data_lightgrid;
750 // size of each cell (may vary by map, typically 64 64 128)
751 float num_lightgrid_cellsize[3];
752 // 1.0 / num_lightgrid_cellsize
753 float num_lightgrid_scale[3];
754 // dimensions of the world model in lightgrid cells
755 int num_lightgrid_imins[3];
756 int num_lightgrid_imaxs[3];
757 int num_lightgrid_isize[3];
759 int num_lightgrid_dimensions[3];
760 // transform modelspace coordinates to lightgrid index
761 matrix4x4_t num_lightgrid_indexfromworld;
763 // true if this q3bsp file has been detected as using deluxemapping
764 // (lightmap texture pairs, every odd one is never directly refernced,
765 // and contains lighting normals, not colors)
766 qboolean deluxemapping;
767 // true if the detected deluxemaps are the modelspace kind, rather than
768 // the faster tangentspace kind
769 qboolean deluxemapping_modelspace;
773 typedef struct model_s
775 // name and path of model, for example "progs/player.mdl"
776 char name[MAX_QPATH];
777 // model needs to be loaded if this is false
779 // set if the model is used in current map, models which are not, are purged
781 // true if this is the world model (I.E. defines what sky to use, and may contain submodels)
782 qboolean isworldmodel;
783 // CRC of the file this model was loaded from, to reload if changed
785 // mod_brush, mod_alias, mod_sprite
787 // memory pool for allocations
789 // all models use textures...
790 rtexturepool_t *texturepool;
791 // EF_* flags (translated from the model file's different flags layout)
793 // number of QC accessible frame(group)s in the model
795 // number of QC accessible skin(group)s in the model
797 // whether to randomize animated framegroups
799 // bounding box at angles '0 0 0'
800 vec3_t normalmins, normalmaxs;
801 // bounding box if yaw angle is not 0, but pitch and roll are
802 vec3_t yawmins, yawmaxs;
803 // bounding box if pitch or roll are used
804 vec3_t rotatedmins, rotatedmaxs;
805 // sphere radius, usable at any angles
807 // squared sphere radius for easier comparisons
809 // skin animation info
810 animscene_t *skinscenes; // [numskins]
811 // skin animation info
812 animscene_t *animscenes; // [numframes]
813 // range of surface numbers in this (sub)model
814 int firstmodelsurface;
815 int nummodelsurfaces;
816 // range of collision brush numbers in this (sub)model
819 // list of surface numbers in this (sub)model
824 aliastag_t *data_tags;
825 // for skeletal models
827 aliasbone_t *data_bones;
830 float *data_baseboneposeinverse;
831 // textures of this model
833 int num_texturesperskin;
834 texture_t *data_textures;
835 // surfaces of this model
837 msurface_t *data_surfaces;
838 // optional lightmapinfo data for surface lightmap updates
839 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
840 // all surfaces belong to this mesh
842 // data type of model
843 const char *modeldatatypestring;
844 // draw the model's sky polygons (only used by brush models)
845 void(*DrawSky)(struct entity_render_s *ent);
846 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
847 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
848 // draw the model using lightmap/dlight shading
849 void(*Draw)(struct entity_render_s *ent);
850 // draw the model to the depth buffer (no color rendering at all)
851 void(*DrawDepth)(struct entity_render_s *ent);
852 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
853 void(*DrawDebug)(struct entity_render_s *ent);
854 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
855 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);
856 // compile a shadow volume for the model based on light source
857 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
858 // draw a shadow volume for the model based on light source
859 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);
860 // draw the lighting on a model (through stencil)
861 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
862 // trace a box against this model
863 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);
864 // fields belonging to some types of model
865 model_sprite_t sprite;
867 model_brushq1_t brushq1;
868 /* MSVC can't handle an empty struct, so this is commented out for now
869 model_brushq2_t brushq2;
871 model_brushq3_t brushq3;
872 // skin files can have different tags for each skin
873 overridetagnameset_t *data_overridetagnamesforskin;
874 // flags this model for offseting sounds to the model center (used by brush models)
879 //============================================================================
882 extern model_t *loadmodel;
883 extern unsigned char *mod_base;
884 // sky/water subdivision
885 //extern cvar_t gl_subdivide_size;
886 // texture fullbrights
887 extern cvar_t r_fullbrights;
889 void Mod_Init (void);
890 void Mod_Reload (void);
891 model_t *Mod_LoadModel(model_t *mod, qboolean crash, qboolean checkdisk, qboolean isworldmodel);
892 model_t *Mod_FindName (const char *name);
893 model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, qboolean isworldmodel);
894 void Mod_UnloadModel (model_t *mod);
896 void Mod_ClearUsed(void);
897 void Mod_PurgeUnused(void);
898 void Mod_RemoveStaleWorldModels(model_t *skip); // only used during loading!
900 extern model_t *loadmodel;
901 extern char loadname[32]; // for hunk tags
903 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
904 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
905 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
906 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
907 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);
909 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
911 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);
912 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
913 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
914 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
915 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);
916 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);
917 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
918 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
919 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
921 void Mod_LoadQ3Shaders(void);
922 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
923 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean q1bsp, qboolean q3bsp, qboolean md3);
925 extern cvar_t r_mipskins;
927 typedef struct skinfileitem_s
929 struct skinfileitem_s *next;
930 char name[MAX_QPATH];
931 char replacement[MAX_QPATH];
935 typedef struct skinfile_s
937 struct skinfile_s *next;
938 skinfileitem_t *items;
942 skinfile_t *Mod_LoadSkinFiles(void);
943 void Mod_FreeSkinFiles(skinfile_t *skinfile);
944 int Mod_CountSkinFiles(skinfile_t *skinfile);
946 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
947 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
948 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
951 void Mod_BrushInit(void);
952 // used for talking to the QuakeC mainly
953 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
954 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
956 // a lot of model formats use the Q1BSP code, so here are the prototypes...
957 struct entity_render_s;
958 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
959 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
960 void R_Q1BSP_Draw(struct entity_render_s *ent);
961 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
962 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
963 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);
964 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
965 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);
966 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
970 void Mod_AliasInit(void);
971 void Mod_Alias_GetMesh_Vertices(const model_t *model, const struct frameblend_s *frameblend, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f);
972 int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix);
973 int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname);
976 void Mod_SpriteInit(void);
979 void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend);
980 void Mod_IBSP_Load(model_t *mod, void *buffer, void *bufferend);
981 void Mod_MAP_Load(model_t *mod, void *buffer, void *bufferend);
982 void Mod_IDP0_Load(model_t *mod, void *buffer, void *bufferend);
983 void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend);
984 void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend);
985 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend);
986 void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend);
987 void Mod_PSKMODEL_Load(model_t *mod, void *buffer, void *bufferend);
988 void Mod_IDSP_Load(model_t *mod, void *buffer, void *bufferend);
989 void Mod_IDS2_Load(model_t *mod, void *buffer, void *bufferend);
992 qboolean Mod_CanSeeBox_Trace(int numsamples, float t, model_t *model, vec3_t eye, vec3_t minsX, vec3_t maxsX);
994 #endif // MODEL_SHARED_H