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, mod_null} 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
73 // average texture color, if applicable
82 typedef struct texvecvertex_s
89 // used for mesh lists in q1bsp/q3bsp map models
90 // (the surfaces reference portions of these meshes)
91 typedef struct surfmesh_s
93 // triangle data in system memory
94 int num_triangles; // number of triangles in the mesh
95 int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
96 unsigned short *data_element3s; // unsigned short[tris*3] triangles of the mesh in unsigned short format (NULL if num_vertices > 65536)
97 int *data_neighbor3i; // int[tris*3] neighboring triangle on each edge (-1 if none)
98 // element buffer object (stores triangles in video memory)
99 int ebo3i; // unsigned int format (only allocated if num_vertices > 65536)
100 int ebo3s; // unsigned short format (only allocated if num_vertices <= 65536)
101 // vertex data in system memory
102 int num_vertices; // number of vertices in the mesh
103 float *data_vertex3f; // float[verts*3] vertex locations
104 float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
105 float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
106 float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
107 float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
108 float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
109 float *data_lightmapcolor4f;
110 int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
111 // vertex buffer object (stores geometry in video memory)
113 size_t vbooffset_vertex3f;
114 size_t vbooffset_svector3f;
115 size_t vbooffset_tvector3f;
116 size_t vbooffset_normal3f;
117 size_t vbooffset_texcoordtexture2f;
118 size_t vbooffset_texcoordlightmap2f;
119 size_t vbooffset_lightmapcolor4f;
120 // morph blending, these are zero if model is skeletal or static
122 struct md3vertex_s *data_morphmd3vertex;
123 struct trivertx_s *data_morphmdlvertex;
124 struct texvecvertex_s *data_morphtexvecvertex;
125 float *data_morphmd2framesize6f;
126 float num_morphmdlframescale[3];
127 float num_morphmdlframetranslate[3];
128 // skeletal blending, these are NULL if model is morph or static
129 int *data_vertexweightindex4i;
130 float *data_vertexweightinfluence4f;
131 // set if there is some kind of animation on this model
136 #define SHADOWMESHVERTEXHASH 1024
137 typedef struct shadowmeshvertexhash_s
139 struct shadowmeshvertexhash_s *next;
141 shadowmeshvertexhash_t;
143 typedef struct shadowmesh_s
145 // next mesh in chain
146 struct shadowmesh_s *next;
147 // used for light mesh (NULL on shadow mesh)
148 rtexture_t *map_diffuse;
149 rtexture_t *map_specular;
150 rtexture_t *map_normal;
152 int numverts, maxverts;
153 int numtriangles, maxtriangles;
156 // used for light mesh (NULL on shadow mesh)
163 unsigned short *element3s;
164 // used for shadow mesh (NULL on light mesh)
166 // these are NULL after Mod_ShadowMesh_Finish is performed, only used
167 // while building meshes
168 shadowmeshvertexhash_t **vertexhashtable, *vertexhashentries;
169 // element buffer object (stores triangles in video memory)
170 // (created by Mod_ShadowMesh_Finish if possible)
173 // vertex buffer object (stores vertices in video memory)
174 // (created by Mod_ShadowMesh_Finish if possible)
176 size_t vbooffset_vertex3f;
177 size_t vbooffset_svector3f;
178 size_t vbooffset_tvector3f;
179 size_t vbooffset_normal3f;
180 size_t vbooffset_texcoord2f;
184 // various flags from shaders, used for special effects not otherwise classified
185 // TODO: support these features more directly
186 #define Q3TEXTUREFLAG_TWOSIDED 1
187 #define Q3TEXTUREFLAG_NOPICMIP 16
188 #define Q3TEXTUREFLAG_POLYGONOFFSET 32
189 #define Q3TEXTUREFLAG_REFRACTION 256
190 #define Q3TEXTUREFLAG_REFLECTION 512
191 #define Q3TEXTUREFLAG_WATERSHADER 1024
193 #define Q3PATHLENGTH 64
194 #define TEXTURE_MAXFRAMES 64
195 #define Q3WAVEPARMS 4
196 #define Q3DEFORM_MAXPARMS 3
197 #define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
198 #define Q3RGBGEN_MAXPARMS 3
199 #define Q3ALPHAGEN_MAXPARMS 1
200 #define Q3TCGEN_MAXPARMS 6
201 #define Q3TCMOD_MAXPARMS 6
202 #define Q3MAXTCMODS 8
203 #define Q3MAXDEFORMS 4
205 typedef enum q3wavefunc_e
208 Q3WAVEFUNC_INVERSESAWTOOTH,
218 typedef enum q3deform_e
221 Q3DEFORM_PROJECTIONSHADOW,
223 Q3DEFORM_AUTOSPRITE2,
240 typedef enum q3rgbgen_e
245 Q3RGBGEN_EXACTVERTEX,
246 Q3RGBGEN_IDENTITYLIGHTING,
247 Q3RGBGEN_LIGHTINGDIFFUSE,
248 Q3RGBGEN_ONEMINUSENTITY,
249 Q3RGBGEN_ONEMINUSVERTEX,
256 typedef enum q3alphagen_e
261 Q3ALPHAGEN_LIGHTINGSPECULAR,
262 Q3ALPHAGEN_ONEMINUSENTITY,
263 Q3ALPHAGEN_ONEMINUSVERTEX,
271 typedef enum q3tcgen_e
274 Q3TCGEN_TEXTURE, // very common
275 Q3TCGEN_ENVIRONMENT, // common
282 typedef enum q3tcmod_e
285 Q3TCMOD_ENTITYTRANSLATE,
297 typedef struct q3shaderinfo_layer_rgbgen_s
300 float parms[Q3RGBGEN_MAXPARMS];
301 q3wavefunc_t wavefunc;
302 float waveparms[Q3WAVEPARMS];
304 q3shaderinfo_layer_rgbgen_t;
306 typedef struct q3shaderinfo_layer_alphagen_s
308 q3alphagen_t alphagen;
309 float parms[Q3ALPHAGEN_MAXPARMS];
310 q3wavefunc_t wavefunc;
311 float waveparms[Q3WAVEPARMS];
313 q3shaderinfo_layer_alphagen_t;
315 typedef struct q3shaderinfo_layer_tcgen_s
318 float parms[Q3TCGEN_MAXPARMS];
320 q3shaderinfo_layer_tcgen_t;
322 typedef struct q3shaderinfo_layer_tcmod_s
325 float parms[Q3TCMOD_MAXPARMS];
326 q3wavefunc_t wavefunc;
327 float waveparms[Q3WAVEPARMS];
329 q3shaderinfo_layer_tcmod_t;
331 typedef struct q3shaderinfo_layer_s
340 q3shaderinfo_layer_rgbgen_t rgbgen;
341 q3shaderinfo_layer_alphagen_t alphagen;
342 q3shaderinfo_layer_tcgen_t tcgen;
343 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
345 q3shaderinfo_layer_t;
347 typedef struct q3shaderinfo_deform_s
350 float parms[Q3DEFORM_MAXPARMS];
351 q3wavefunc_t wavefunc;
352 float waveparms[Q3WAVEPARMS];
354 q3shaderinfo_deform_t;
356 typedef struct q3shaderinfo_s
358 char name[Q3PATHLENGTH];
363 qboolean vertexalpha;
364 qboolean textureblendalpha;
365 int primarylayer, backgroundlayer;
366 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
367 char skyboxname[Q3PATHLENGTH];
368 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
370 // dp-specific additions:
377 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
378 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
379 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
380 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
381 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
382 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
383 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
387 typedef enum texturelayertype_e
389 TEXTURELAYERTYPE_INVALID,
390 TEXTURELAYERTYPE_LITTEXTURE,
391 TEXTURELAYERTYPE_TEXTURE,
392 TEXTURELAYERTYPE_FOG,
396 typedef enum texturelayerflag_e
398 // indicates that the pass should apply fog darkening; used on
399 // transparent surfaces where simply blending an alpha fog as a final
400 // pass would not behave properly, so all the surfaces must be darkened,
401 // and the fog color added as a separate pass
402 TEXTURELAYERFLAG_FOGDARKEN = 1,
406 typedef struct texturelayer_s
408 texturelayertype_t type;
413 matrix4x4_t texmatrix;
419 typedef struct texture_s
425 unsigned int width, height;
427 //unsigned int flags;
429 // base material flags
430 int basematerialflags;
431 // current material flags (updated each bmodel render)
432 int currentmaterialflags;
434 // PolygonOffset values for rendering this material
435 // (these are added to the r_refdef values and submodel values)
436 float biaspolygonfactor;
437 float biaspolygonoffset;
439 // textures to use when rendering this material
440 skinframe_t *currentskinframe;
443 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
444 // background layer (for terrain texture blending)
445 skinframe_t *backgroundcurrentskinframe;
446 int backgroundnumskinframes;
447 float backgroundskinframerate;
448 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
450 // total frames in sequence and alternate sequence
452 // direct pointers to each of the frames in the sequences
453 // (indexed as [alternate][frame])
454 struct texture_s *anim_frames[2][10];
455 // set if animated or there is an alternate frame set
456 // (this is an optimization in the renderer)
459 // the current alpha of this texture (may be affected by r_wateralpha)
461 // the current texture frame in animation
462 struct texture_s *currentframe;
463 // current texture transform matrix (used for water scrolling)
464 matrix4x4_t currenttexmatrix;
466 // various q3 shader features
467 q3shaderinfo_layer_rgbgen_t rgbgen;
468 q3shaderinfo_layer_alphagen_t alphagen;
469 q3shaderinfo_layer_tcgen_t tcgen;
470 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
471 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
473 qboolean colormapping;
474 rtexture_t *basetexture;
475 rtexture_t *glosstexture;
476 rtexture_t *backgroundbasetexture;
477 rtexture_t *backgroundglosstexture;
480 // color tint (colormod * currentalpha) used for rtlighting this material
481 float dlightcolor[3];
482 // color tint (colormod * 2) used for lightmapped lighting on this material
483 // includes alpha as 4th component
484 // replaces role of gl_Color in GLSL shader
485 float lightmapcolor[4];
488 int customblendfunc[2];
490 int currentnumlayers;
491 texturelayer_t currentlayers[16];
501 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
502 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
503 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
504 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
505 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
506 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
507 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
511 typedef struct mtexinfo_s
519 typedef struct msurface_lightmapinfo_s
521 // texture mapping properties used by this surface
522 mtexinfo_t *texinfo; // q1bsp
523 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
524 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
525 // RGB lighting data [numstyles][height][width][3]
526 unsigned char *samples; // q1bsp
527 // RGB normalmap data [numstyles][height][width][3]
528 unsigned char *nmapsamples; // q1bsp
529 // stain to apply on lightmap (soot/dirt/blood/whatever)
530 unsigned char *stainsamples; // q1bsp
531 int texturemins[2]; // q1bsp
532 int extents[2]; // q1bsp
533 int lightmaporigin[2]; // q1bsp
535 msurface_lightmapinfo_t;
538 typedef struct msurface_s
540 // bounding box for onscreen checks
543 // the texture to use on the surface
545 // the lightmap texture fragment to use on the rendering mesh
546 rtexture_t *lightmaptexture;
547 // the lighting direction texture fragment to use on the rendering mesh
548 rtexture_t *deluxemaptexture;
550 // surfaces own ranges of vertices and triangles in the model->surfmesh
551 int num_triangles; // number of triangles
552 int num_firsttriangle; // first triangle
553 int num_vertices; // number of vertices
554 int num_firstvertex; // first vertex
556 // shadow volume building information
557 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
559 // lightmaptexture rebuild information not used in q3bsp
560 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
562 // mesh information for collisions (only used by q3bsp curves)
563 int num_collisiontriangles; // q3bsp
564 int *data_collisionelement3i; // q3bsp
565 int num_collisionvertices; // q3bsp
566 float *data_collisionvertex3f; // q3bsp
567 struct q3deffect_s *effect; // q3bsp
568 // FIXME: collisionmarkframe should be kept in a separate array
569 int collisionmarkframe; // q3bsp // don't collide twice in one trace
573 #include "matrixlib.h"
575 #include "model_brush.h"
576 #include "model_sprite.h"
577 #include "model_alias.h"
579 typedef struct model_sprite_s
582 mspriteframe_t *sprdata_frames;
588 typedef struct model_brush_lightstyleinfo_s
595 model_brush_lightstyleinfo_t;
597 typedef struct model_brush_s
599 // true if this model is a HalfLife .bsp file
601 // string of entity definitions (.map format)
604 // if non-zero this is a submodel
605 // (this is the number of the submodel, an index into submodels)
608 // number of submodels in this map (just used by server to know how many
609 // submodels to load)
611 // pointers to each of the submodels if .isworldmodel is true
612 struct model_s **submodels;
615 mplane_t *data_planes;
620 // visible leafs, not counting 0 (solid)
622 // number of actual leafs (including 0 which is solid)
627 int *data_leafbrushes;
629 int num_leafsurfaces;
630 int *data_leafsurfaces;
633 mportal_t *data_portals;
635 int num_portalpoints;
636 mvertex_t *data_portalpoints;
639 q3mbrush_t *data_brushes;
642 q3mbrushside_t *data_brushsides;
646 int num_pvsclusterbytes;
647 unsigned char *data_pvsclusters;
649 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
650 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
652 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
653 shadowmesh_t *shadowmesh;
656 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
657 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
658 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
659 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
660 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
661 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
662 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
663 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
664 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
665 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
666 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
667 // these are actually only found on brushq1, but NULL is handled gracefully
668 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
669 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
670 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
671 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
673 char skybox[MAX_QPATH];
675 rtexture_t *solidskytexture;
676 rtexture_t *alphaskytexture;
678 qboolean supportwateralpha;
686 typedef struct model_brushq1_s
703 mclipnode_t *clipnodes;
705 hull_t hulls[MAX_MAP_HULLS];
707 int num_compressedpvs;
708 unsigned char *data_compressedpvs;
711 unsigned char *lightdata;
712 unsigned char *nmaplightdata; // deluxemap file
714 // lightmap update chains for light styles
716 model_brush_lightstyleinfo_t *data_lightstyleinfo;
718 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
719 unsigned char *lightmapupdateflags;
723 /* MSVC can't compile empty structs, so this is commented out for now
724 typedef struct model_brushq2_s
730 typedef struct model_brushq3_s
733 q3dmodel_t *data_models;
735 // used only during loading - freed after loading!
737 float *data_vertex3f;
738 float *data_normal3f;
739 float *data_texcoordtexture2f;
740 float *data_texcoordlightmap2f;
743 // freed after loading!
748 q3deffect_t *data_effects;
751 int num_originallightmaps;
752 int num_mergedlightmaps;
753 int num_lightmapmergepower;
754 int num_lightmapmerge;
755 rtexture_t **data_lightmaps;
756 rtexture_t **data_deluxemaps;
758 // voxel light data with directional shading
760 q3dlightgrid_t *data_lightgrid;
761 // size of each cell (may vary by map, typically 64 64 128)
762 float num_lightgrid_cellsize[3];
763 // 1.0 / num_lightgrid_cellsize
764 float num_lightgrid_scale[3];
765 // dimensions of the world model in lightgrid cells
766 int num_lightgrid_imins[3];
767 int num_lightgrid_imaxs[3];
768 int num_lightgrid_isize[3];
770 int num_lightgrid_dimensions[3];
771 // transform modelspace coordinates to lightgrid index
772 matrix4x4_t num_lightgrid_indexfromworld;
774 // true if this q3bsp file has been detected as using deluxemapping
775 // (lightmap texture pairs, every odd one is never directly refernced,
776 // and contains lighting normals, not colors)
777 qboolean deluxemapping;
778 // true if the detected deluxemaps are the modelspace kind, rather than
779 // the faster tangentspace kind
780 qboolean deluxemapping_modelspace;
781 // size of lightmaps (128 by default, but may be another poweroftwo if
782 // external lightmaps are used (q3map2 -lightmapsize)
789 typedef struct model_s
791 // name and path of model, for example "progs/player.mdl"
792 char name[MAX_QPATH];
793 // model needs to be loaded if this is false
795 // set if the model is used in current map, models which are not, are purged
797 // true if this is the world model (I.E. defines what sky to use, and may contain submodels)
798 qboolean isworldmodel;
799 // CRC of the file this model was loaded from, to reload if changed
801 // mod_brush, mod_alias, mod_sprite
803 // memory pool for allocations
805 // all models use textures...
806 rtexturepool_t *texturepool;
807 // EF_* flags (translated from the model file's different flags layout)
809 // number of QC accessible frame(group)s in the model
811 // number of QC accessible skin(group)s in the model
813 // whether to randomize animated framegroups
815 // bounding box at angles '0 0 0'
816 vec3_t normalmins, normalmaxs;
817 // bounding box if yaw angle is not 0, but pitch and roll are
818 vec3_t yawmins, yawmaxs;
819 // bounding box if pitch or roll are used
820 vec3_t rotatedmins, rotatedmaxs;
821 // sphere radius, usable at any angles
823 // squared sphere radius for easier comparisons
825 // skin animation info
826 animscene_t *skinscenes; // [numskins]
827 // skin animation info
828 animscene_t *animscenes; // [numframes]
829 // range of surface numbers in this (sub)model
830 int firstmodelsurface;
831 int nummodelsurfaces;
832 // range of collision brush numbers in this (sub)model
835 // list of surface numbers in this (sub)model
840 aliastag_t *data_tags;
841 // for skeletal models
843 aliasbone_t *data_bones;
846 float *data_baseboneposeinverse;
847 // textures of this model
849 int num_texturesperskin;
850 texture_t *data_textures;
851 // surfaces of this model
853 msurface_t *data_surfaces;
854 // optional lightmapinfo data for surface lightmap updates
855 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
856 // all surfaces belong to this mesh
858 // data type of model
859 const char *modeldatatypestring;
860 // generates vertex data for a given frameblend
861 void(*AnimateVertices)(const struct model_s *model, const struct frameblend_s *frameblend, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f);
862 // draw the model's sky polygons (only used by brush models)
863 void(*DrawSky)(struct entity_render_s *ent);
864 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
865 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
866 // draw the model using lightmap/dlight shading
867 void(*Draw)(struct entity_render_s *ent);
868 // draw the model to the depth buffer (no color rendering at all)
869 void(*DrawDepth)(struct entity_render_s *ent);
870 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
871 void(*DrawDebug)(struct entity_render_s *ent);
872 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
873 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, unsigned char *visitingleafpvs);
874 // compile a shadow volume for the model based on light source
875 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
876 // draw a shadow volume for the model based on light source
877 void(*DrawShadowVolume)(struct entity_render_s *ent, const vec3_t relativelightorigin, const vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs);
878 // draw the lighting on a model (through stencil)
879 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
880 // trace a box against this model
881 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);
882 // find the supercontents value at a point in this model
883 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
884 // fields belonging to some types of model
885 model_sprite_t sprite;
887 model_brushq1_t brushq1;
888 /* MSVC can't handle an empty struct, so this is commented out for now
889 model_brushq2_t brushq2;
891 model_brushq3_t brushq3;
892 // flags this model for offseting sounds to the model center (used by brush models)
897 //============================================================================
900 extern dp_model_t *loadmodel;
901 extern unsigned char *mod_base;
902 // sky/water subdivision
903 //extern cvar_t gl_subdivide_size;
904 // texture fullbrights
905 extern cvar_t r_fullbrights;
907 void Mod_Init (void);
908 void Mod_Reload (void);
909 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk, qboolean isworldmodel);
910 dp_model_t *Mod_FindName (const char *name);
911 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, qboolean isworldmodel);
912 void Mod_UnloadModel (dp_model_t *mod);
914 void Mod_ClearUsed(void);
915 void Mod_PurgeUnused(void);
916 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
918 extern dp_model_t *loadmodel;
919 extern char loadname[32]; // for hunk tags
921 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
922 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
923 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
924 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
925 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);
927 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
929 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);
930 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
931 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
932 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
933 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);
934 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);
935 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
936 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
937 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
939 void Mod_LoadQ3Shaders(void);
940 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
941 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
943 extern cvar_t r_mipskins;
945 typedef struct skinfileitem_s
947 struct skinfileitem_s *next;
948 char name[MAX_QPATH];
949 char replacement[MAX_QPATH];
953 typedef struct skinfile_s
955 struct skinfile_s *next;
956 skinfileitem_t *items;
960 skinfile_t *Mod_LoadSkinFiles(void);
961 void Mod_FreeSkinFiles(skinfile_t *skinfile);
962 int Mod_CountSkinFiles(skinfile_t *skinfile);
964 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
965 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
966 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
969 void Mod_BrushInit(void);
970 // used for talking to the QuakeC mainly
971 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
972 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
974 // a lot of model formats use the Q1BSP code, so here are the prototypes...
975 struct entity_render_s;
976 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
977 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
978 void R_Q1BSP_Draw(struct entity_render_s *ent);
979 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
980 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
981 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, unsigned char *visitingleafpvs);
982 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
983 void R_Q1BSP_DrawShadowVolume(struct entity_render_s *ent, const vec3_t relativelightorigin, const vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs);
984 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
988 void Mod_AliasInit(void);
989 int Mod_Alias_GetTagMatrix(const dp_model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix);
990 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
991 int Mod_Alias_GetExtendedTagInfoForIndex(const dp_model_t *model, unsigned int skin, int poseframe, int tagindex, int *parentindex, const char **tagname, matrix4x4_t *tag_localmatrix);
994 void Mod_SpriteInit(void);
997 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
998 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
999 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1000 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1001 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1002 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1003 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1004 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1005 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1006 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1007 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1010 qboolean Mod_CanSeeBox_Trace(int numsamples, float t, dp_model_t *model, vec3_t eye, vec3_t minsX, vec3_t maxsX);
1012 #endif // MODEL_SHARED_H