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_obj, 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 rtexture_t *reflect; // colored mask for cubemap reflections
57 // accounting data for hash searches:
58 // the compare variables are used to identify internal skins from certain
60 // (so that two q1bsp maps with the same texture name for different
61 // textures do not have any conflicts)
62 struct skinframe_s *next; // next on hash chain
63 char basename[MAX_QPATH]; // name of this
64 int textureflags; // texture flags to use
68 // mark and sweep garbage collection, this value is updated to a new value
69 // on each level change for the used skinframes, if some are not used they
72 // indicates whether this texture has transparent pixels
74 // average texture color, if applicable
76 // for mdl skins, we actually only upload on first use (many are never used, and they are almost never used in both base+pants+shirt and merged modes)
77 unsigned char *qpixels;
80 qboolean qhascolormapping;
81 qboolean qgeneratebase;
82 qboolean qgeneratemerged;
83 qboolean qgeneratenmap;
84 qboolean qgenerateglow;
90 typedef struct texvecvertex_s
97 typedef struct blendweights_s
99 unsigned char index[4];
100 unsigned char influence[4];
104 // used for mesh lists in q1bsp/q3bsp map models
105 // (the surfaces reference portions of these meshes)
106 typedef struct surfmesh_s
108 // triangle data in system memory
109 int num_triangles; // number of triangles in the mesh
110 int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
111 unsigned short *data_element3s; // unsigned short[tris*3] triangles of the mesh in unsigned short format (NULL if num_vertices > 65536)
112 int *data_neighbor3i; // int[tris*3] neighboring triangle on each edge (-1 if none)
113 // element buffer object (stores triangles in video memory)
114 int ebo3i; // unsigned int format (only allocated if num_vertices > 65536)
115 int ebo3s; // unsigned short format (only allocated if num_vertices <= 65536)
116 // vertex data in system memory
117 int num_vertices; // number of vertices in the mesh
118 float *data_vertex3f; // float[verts*3] vertex locations
119 float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
120 float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
121 float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
122 float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
123 float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
124 float *data_lightmapcolor4f;
125 int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
126 // vertex buffer object (stores geometry in video memory)
128 size_t vbooffset_vertex3f;
129 size_t vbooffset_svector3f;
130 size_t vbooffset_tvector3f;
131 size_t vbooffset_normal3f;
132 size_t vbooffset_texcoordtexture2f;
133 size_t vbooffset_texcoordlightmap2f;
134 size_t vbooffset_lightmapcolor4f;
135 // morph blending, these are zero if model is skeletal or static
137 struct md3vertex_s *data_morphmd3vertex;
138 struct trivertx_s *data_morphmdlvertex;
139 struct texvecvertex_s *data_morphtexvecvertex;
140 float *data_morphmd2framesize6f;
141 float num_morphmdlframescale[3];
142 float num_morphmdlframetranslate[3];
143 // skeletal blending, these are NULL if model is morph or static
144 struct blendweights_s *data_blendweights;
146 unsigned short *blends;
147 // set if there is some kind of animation on this model
152 #define SHADOWMESHVERTEXHASH 1024
153 typedef struct shadowmeshvertexhash_s
155 struct shadowmeshvertexhash_s *next;
157 shadowmeshvertexhash_t;
159 typedef struct shadowmesh_s
161 // next mesh in chain
162 struct shadowmesh_s *next;
163 // used for light mesh (NULL on shadow mesh)
164 rtexture_t *map_diffuse;
165 rtexture_t *map_specular;
166 rtexture_t *map_normal;
168 int numverts, maxverts;
169 int numtriangles, maxtriangles;
172 // used for light mesh (NULL on shadow mesh)
179 unsigned short *element3s;
180 // used for shadow mapping cubemap side partitioning
181 int sideoffsets[6], sidetotals[6];
182 // used for shadow mesh (NULL on light mesh)
184 // these are NULL after Mod_ShadowMesh_Finish is performed, only used
185 // while building meshes
186 shadowmeshvertexhash_t **vertexhashtable, *vertexhashentries;
187 // element buffer object (stores triangles in video memory)
188 // (created by Mod_ShadowMesh_Finish if possible)
191 // vertex buffer object (stores vertices in video memory)
192 // (created by Mod_ShadowMesh_Finish if possible)
194 size_t vbooffset_vertex3f;
195 size_t vbooffset_svector3f;
196 size_t vbooffset_tvector3f;
197 size_t vbooffset_normal3f;
198 size_t vbooffset_texcoord2f;
202 // various flags from shaders, used for special effects not otherwise classified
203 // TODO: support these features more directly
204 #define Q3TEXTUREFLAG_TWOSIDED 1
205 #define Q3TEXTUREFLAG_NOPICMIP 16
206 #define Q3TEXTUREFLAG_POLYGONOFFSET 32
207 #define Q3TEXTUREFLAG_REFRACTION 256
208 #define Q3TEXTUREFLAG_REFLECTION 512
209 #define Q3TEXTUREFLAG_WATERSHADER 1024
211 #define Q3PATHLENGTH 64
212 #define TEXTURE_MAXFRAMES 64
213 #define Q3WAVEPARMS 4
214 #define Q3DEFORM_MAXPARMS 3
215 #define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
216 #define Q3RGBGEN_MAXPARMS 3
217 #define Q3ALPHAGEN_MAXPARMS 1
218 #define Q3TCGEN_MAXPARMS 6
219 #define Q3TCMOD_MAXPARMS 6
220 #define Q3MAXTCMODS 8
221 #define Q3MAXDEFORMS 4
223 typedef enum q3wavefunc_e
226 Q3WAVEFUNC_INVERSESAWTOOTH,
236 typedef enum q3deform_e
239 Q3DEFORM_PROJECTIONSHADOW,
241 Q3DEFORM_AUTOSPRITE2,
258 typedef enum q3rgbgen_e
263 Q3RGBGEN_EXACTVERTEX,
264 Q3RGBGEN_IDENTITYLIGHTING,
265 Q3RGBGEN_LIGHTINGDIFFUSE,
266 Q3RGBGEN_ONEMINUSENTITY,
267 Q3RGBGEN_ONEMINUSVERTEX,
274 typedef enum q3alphagen_e
279 Q3ALPHAGEN_LIGHTINGSPECULAR,
280 Q3ALPHAGEN_ONEMINUSENTITY,
281 Q3ALPHAGEN_ONEMINUSVERTEX,
289 typedef enum q3tcgen_e
292 Q3TCGEN_TEXTURE, // very common
293 Q3TCGEN_ENVIRONMENT, // common
300 typedef enum q3tcmod_e
303 Q3TCMOD_ENTITYTRANSLATE,
315 typedef struct q3shaderinfo_layer_rgbgen_s
318 float parms[Q3RGBGEN_MAXPARMS];
319 q3wavefunc_t wavefunc;
320 float waveparms[Q3WAVEPARMS];
322 q3shaderinfo_layer_rgbgen_t;
324 typedef struct q3shaderinfo_layer_alphagen_s
326 q3alphagen_t alphagen;
327 float parms[Q3ALPHAGEN_MAXPARMS];
328 q3wavefunc_t wavefunc;
329 float waveparms[Q3WAVEPARMS];
331 q3shaderinfo_layer_alphagen_t;
333 typedef struct q3shaderinfo_layer_tcgen_s
336 float parms[Q3TCGEN_MAXPARMS];
338 q3shaderinfo_layer_tcgen_t;
340 typedef struct q3shaderinfo_layer_tcmod_s
343 float parms[Q3TCMOD_MAXPARMS];
344 q3wavefunc_t wavefunc;
345 float waveparms[Q3WAVEPARMS];
347 q3shaderinfo_layer_tcmod_t;
349 typedef struct q3shaderinfo_layer_s
358 q3shaderinfo_layer_rgbgen_t rgbgen;
359 q3shaderinfo_layer_alphagen_t alphagen;
360 q3shaderinfo_layer_tcgen_t tcgen;
361 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
363 q3shaderinfo_layer_t;
365 typedef struct q3shaderinfo_deform_s
368 float parms[Q3DEFORM_MAXPARMS];
369 q3wavefunc_t wavefunc;
370 float waveparms[Q3WAVEPARMS];
372 q3shaderinfo_deform_t;
374 typedef enum dpoffsetmapping_technique_s
376 OFFSETMAPPING_OFF, // none
377 OFFSETMAPPING_DEFAULT, // cvar-set
378 OFFSETMAPPING_LINEAR, // linear
379 OFFSETMAPPING_RELIEF // relief
380 }dpoffsetmapping_technique_t;
383 typedef struct q3shaderinfo_s
385 char name[Q3PATHLENGTH];
386 #define Q3SHADERINFO_COMPARE_START surfaceparms
391 qboolean vertexalpha;
392 qboolean textureblendalpha;
393 int primarylayer, backgroundlayer;
394 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
395 char skyboxname[Q3PATHLENGTH];
396 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
398 // dp-specific additions:
405 char dpreflectcube[Q3PATHLENGTH];
408 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
409 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
410 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
411 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
412 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
413 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
414 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
417 dpoffsetmapping_technique_t offsetmapping;
421 float specularscalemod;
422 float specularpowermod;
423 #define Q3SHADERINFO_COMPARE_END specularpowermod
427 typedef enum texturelayertype_e
429 TEXTURELAYERTYPE_INVALID,
430 TEXTURELAYERTYPE_LITTEXTURE,
431 TEXTURELAYERTYPE_TEXTURE,
432 TEXTURELAYERTYPE_FOG,
436 typedef struct texturelayer_s
438 texturelayertype_t type;
443 matrix4x4_t texmatrix;
448 typedef struct texture_s
454 unsigned int width, height;
456 //unsigned int flags;
458 // base material flags
459 int basematerialflags;
460 // current material flags (updated each bmodel render)
461 int currentmaterialflags;
463 // PolygonOffset values for rendering this material
464 // (these are added to the r_refdef values and submodel values)
465 float biaspolygonfactor;
466 float biaspolygonoffset;
468 // textures to use when rendering this material
469 skinframe_t *currentskinframe;
472 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
473 // background layer (for terrain texture blending)
474 skinframe_t *backgroundcurrentskinframe;
475 int backgroundnumskinframes;
476 float backgroundskinframerate;
477 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
479 // total frames in sequence and alternate sequence
481 // direct pointers to each of the frames in the sequences
482 // (indexed as [alternate][frame])
483 struct texture_s *anim_frames[2][10];
484 // set if animated or there is an alternate frame set
485 // (this is an optimization in the renderer)
488 // renderer checks if this texture needs updating...
489 int update_lastrenderframe;
490 void *update_lastrenderentity;
491 // the current alpha of this texture (may be affected by r_wateralpha)
493 // the current texture frame in animation
494 struct texture_s *currentframe;
495 // current texture transform matrix (used for water scrolling)
496 matrix4x4_t currenttexmatrix;
497 matrix4x4_t currentbackgroundtexmatrix;
499 // various q3 shader features
500 q3shaderinfo_layer_rgbgen_t rgbgen;
501 q3shaderinfo_layer_alphagen_t alphagen;
502 q3shaderinfo_layer_tcgen_t tcgen;
503 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
504 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
505 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
507 qboolean colormapping;
508 rtexture_t *basetexture; // original texture without pants/shirt/glow
509 rtexture_t *pantstexture; // pants only (in greyscale)
510 rtexture_t *shirttexture; // shirt only (in greyscale)
511 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
512 rtexture_t *glosstexture; // glossmap (for dot3)
513 rtexture_t *glowtexture; // glow only (fullbrights)
514 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
515 rtexture_t *reflectmasktexture; // mask for fake reflections
516 rtexture_t *reflectcubetexture; // fake reflections cubemap
517 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
518 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
519 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
520 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
523 // color tint (colormod * currentalpha) used for rtlighting this material
524 float dlightcolor[3];
525 // color tint (colormod * 2) used for lightmapped lighting on this material
526 // includes alpha as 4th component
527 // replaces role of gl_Color in GLSL shader
528 float lightmapcolor[4];
531 int customblendfunc[2];
533 int currentnumlayers;
534 texturelayer_t currentlayers[16];
544 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
545 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
546 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
547 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
548 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
549 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
550 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
553 dpoffsetmapping_technique_t offsetmapping;
557 float specularscalemod;
558 float specularpowermod;
562 typedef struct mtexinfo_s
570 typedef struct msurface_lightmapinfo_s
572 // texture mapping properties used by this surface
573 mtexinfo_t *texinfo; // q1bsp
574 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
575 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
576 // RGB lighting data [numstyles][height][width][3]
577 unsigned char *samples; // q1bsp
578 // RGB normalmap data [numstyles][height][width][3]
579 unsigned char *nmapsamples; // q1bsp
580 // stain to apply on lightmap (soot/dirt/blood/whatever)
581 unsigned char *stainsamples; // q1bsp
582 int texturemins[2]; // q1bsp
583 int extents[2]; // q1bsp
584 int lightmaporigin[2]; // q1bsp
586 msurface_lightmapinfo_t;
589 typedef struct msurface_s
591 // bounding box for onscreen checks
594 // the texture to use on the surface
596 // the lightmap texture fragment to use on the rendering mesh
597 rtexture_t *lightmaptexture;
598 // the lighting direction texture fragment to use on the rendering mesh
599 rtexture_t *deluxemaptexture;
600 // lightmaptexture rebuild information not used in q3bsp
601 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
602 // fog volume info in q3bsp
603 struct q3deffect_s *effect; // q3bsp
604 // mesh information for collisions (only used by q3bsp curves)
605 int num_firstcollisiontriangle;
606 int *deprecatedq3data_collisionelement3i; // q3bsp
607 float *deprecatedq3data_collisionvertex3f; // q3bsp
608 float *deprecatedq3data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
609 float *deprecatedq3data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
611 // surfaces own ranges of vertices and triangles in the model->surfmesh
612 int num_triangles; // number of triangles
613 int num_firsttriangle; // first triangle
614 int num_vertices; // number of vertices
615 int num_firstvertex; // first vertex
617 // shadow volume building information
618 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
620 // mesh information for collisions (only used by q3bsp curves)
621 int num_collisiontriangles; // q3bsp
622 int num_collisionvertices; // q3bsp
623 int deprecatedq3num_collisionbboxstride;
624 int deprecatedq3num_bboxstride;
625 // FIXME: collisionmarkframe should be kept in a separate array
626 int deprecatedq3collisionmarkframe; // q3bsp // don't collide twice in one trace
630 #include "matrixlib.h"
633 #include "model_brush.h"
634 #include "model_sprite.h"
635 #include "model_alias.h"
637 typedef struct model_sprite_s
640 mspriteframe_t *sprdata_frames;
646 typedef struct model_brush_lightstyleinfo_s
653 model_brush_lightstyleinfo_t;
655 typedef struct model_brush_s
657 // true if this model is a HalfLife .bsp file
659 // string of entity definitions (.map format)
662 // if not NULL this is a submodel
663 struct model_s *parentmodel;
664 // (this is the number of the submodel, an index into submodels)
667 // number of submodels in this map (just used by server to know how many
668 // submodels to load)
670 // pointers to each of the submodels
671 struct model_s **submodels;
674 mplane_t *data_planes;
679 // visible leafs, not counting 0 (solid)
681 // number of actual leafs (including 0 which is solid)
686 int *data_leafbrushes;
688 int num_leafsurfaces;
689 int *data_leafsurfaces;
692 mportal_t *data_portals;
694 int num_portalpoints;
695 mvertex_t *data_portalpoints;
698 q3mbrush_t *data_brushes;
701 q3mbrushside_t *data_brushsides;
705 int num_pvsclusterbytes;
706 unsigned char *data_pvsclusters;
708 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
709 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
711 // collision geometry for q3 curves
712 int num_collisionvertices;
713 int num_collisiontriangles;
714 float *data_collisionvertex3f;
715 int *data_collisionelement3i;
717 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
718 shadowmesh_t *shadowmesh;
720 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
721 shadowmesh_t *collisionmesh;
724 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
725 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
726 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
727 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
728 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
729 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
730 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
731 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
732 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
733 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
734 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
735 // these are actually only found on brushq1, but NULL is handled gracefully
736 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
737 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
738 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
739 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
741 char skybox[MAX_QPATH];
743 skinframe_t *solidskyskinframe;
744 skinframe_t *alphaskyskinframe;
746 qboolean supportwateralpha;
754 typedef struct model_brushq1_s
771 mclipnode_t *clipnodes;
773 hull_t hulls[MAX_MAP_HULLS];
775 int num_compressedpvs;
776 unsigned char *data_compressedpvs;
779 unsigned char *lightdata;
780 unsigned char *nmaplightdata; // deluxemap file
782 // lightmap update chains for light styles
784 model_brush_lightstyleinfo_t *data_lightstyleinfo;
786 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
787 unsigned char *lightmapupdateflags;
788 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
792 /* MSVC can't compile empty structs, so this is commented out for now
793 typedef struct model_brushq2_s
799 typedef struct model_brushq3_s
802 q3dmodel_t *data_models;
804 // used only during loading - freed after loading!
806 float *data_vertex3f;
807 float *data_normal3f;
808 float *data_texcoordtexture2f;
809 float *data_texcoordlightmap2f;
812 // freed after loading!
817 q3deffect_t *data_effects;
820 int num_originallightmaps;
821 int num_mergedlightmaps;
822 int num_lightmapmergepower;
823 int num_lightmapmerge;
824 rtexture_t **data_lightmaps;
825 rtexture_t **data_deluxemaps;
827 // voxel light data with directional shading
829 q3dlightgrid_t *data_lightgrid;
830 // size of each cell (may vary by map, typically 64 64 128)
831 float num_lightgrid_cellsize[3];
832 // 1.0 / num_lightgrid_cellsize
833 float num_lightgrid_scale[3];
834 // dimensions of the world model in lightgrid cells
835 int num_lightgrid_imins[3];
836 int num_lightgrid_imaxs[3];
837 int num_lightgrid_isize[3];
838 // transform modelspace coordinates to lightgrid index
839 matrix4x4_t num_lightgrid_indexfromworld;
841 // true if this q3bsp file has been detected as using deluxemapping
842 // (lightmap texture pairs, every odd one is never directly refernced,
843 // and contains lighting normals, not colors)
844 qboolean deluxemapping;
845 // true if the detected deluxemaps are the modelspace kind, rather than
846 // the faster tangentspace kind
847 qboolean deluxemapping_modelspace;
848 // size of lightmaps (128 by default, but may be another poweroftwo if
849 // external lightmaps are used (q3map2 -lightmapsize)
857 typedef struct model_s
859 // name and path of model, for example "progs/player.mdl"
860 char name[MAX_QPATH];
861 // model needs to be loaded if this is false
863 // set if the model is used in current map, models which are not, are purged
865 // CRC of the file this model was loaded from, to reload if changed
867 // mod_brush, mod_alias, mod_sprite
869 // memory pool for allocations
871 // all models use textures...
872 rtexturepool_t *texturepool;
873 // EF_* flags (translated from the model file's different flags layout)
875 // number of QC accessible frame(group)s in the model
877 // number of QC accessible skin(group)s in the model
879 // whether to randomize animated framegroups
881 // bounding box at angles '0 0 0'
882 vec3_t normalmins, normalmaxs;
883 // bounding box if yaw angle is not 0, but pitch and roll are
884 vec3_t yawmins, yawmaxs;
885 // bounding box if pitch or roll are used
886 vec3_t rotatedmins, rotatedmaxs;
887 // sphere radius, usable at any angles
889 // squared sphere radius for easier comparisons
891 // skin animation info
892 animscene_t *skinscenes; // [numskins]
893 // skin animation info
894 animscene_t *animscenes; // [numframes]
895 // range of surface numbers in this (sub)model
896 int firstmodelsurface;
897 int nummodelsurfaces;
898 int *sortedmodelsurfaces;
899 // range of collision brush numbers in this (sub)model
902 // BIH (Bounding Interval Hierarchy) for this (sub)model
907 aliastag_t *data_tags;
908 // for skeletal models
910 aliasbone_t *data_bones;
911 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
912 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
914 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
915 float *data_baseboneposeinverse;
916 // textures of this model
918 int num_texturesperskin;
919 texture_t *data_textures;
920 qboolean wantnormals;
921 qboolean wanttangents;
922 // surfaces of this model
924 msurface_t *data_surfaces;
925 // optional lightmapinfo data for surface lightmap updates
926 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
927 // all surfaces belong to this mesh
929 // data type of model
930 const char *modeldatatypestring;
931 // generates vertex data for a given frameblend
932 void(*AnimateVertices)(const struct model_s * RESTRICT model, const struct frameblend_s * RESTRICT frameblend, const struct skeleton_s *skeleton, float * RESTRICT vertex3f, float * RESTRICT normal3f, float * RESTRICT svector3f, float * RESTRICT tvector3f);
933 // draw the model's sky polygons (only used by brush models)
934 void(*DrawSky)(struct entity_render_s *ent);
935 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
936 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
937 // draw the model using lightmap/dlight shading
938 void(*Draw)(struct entity_render_s *ent);
939 // draw the model to the depth buffer (no color rendering at all)
940 void(*DrawDepth)(struct entity_render_s *ent);
941 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
942 void(*DrawDebug)(struct entity_render_s *ent);
943 // draw geometry textures for deferred rendering
944 void(*DrawPrepass)(struct entity_render_s *ent);
945 // compile an optimized shadowmap mesh for the model based on light source
946 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
947 // draw depth into a shadowmap
948 void(*DrawShadowMap)(int side, struct entity_render_s *ent, const vec3_t relativelightorigin, const vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist, const unsigned char *surfacesides, const vec3_t lightmins, const vec3_t lightmaxs);
949 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
950 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, int numfrustumplanes, const mplane_t *frustumplanes);
951 // compile a shadow volume for the model based on light source
952 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
953 // draw a shadow volume for the model based on light source
954 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);
955 // draw the lighting on a model (through stencil)
956 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
957 // trace a box against this model
958 void (*TraceBox)(struct model_s *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, struct trace_s *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask);
959 // trace a box against this model
960 void (*TraceLine)(struct model_s *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, struct trace_s *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask);
961 // trace a point against this model (like PointSuperContents)
962 void (*TracePoint)(struct model_s *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, struct trace_s *trace, const vec3_t start, int hitsupercontentsmask);
963 // find the supercontents value at a point in this model
964 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
965 // fields belonging to some types of model
966 model_sprite_t sprite;
968 model_brushq1_t brushq1;
969 /* MSVC can't handle an empty struct, so this is commented out for now
970 model_brushq2_t brushq2;
972 model_brushq3_t brushq3;
973 // flags this model for offseting sounds to the model center (used by brush models)
978 //============================================================================
981 extern dp_model_t *loadmodel;
982 extern unsigned char *mod_base;
983 // sky/water subdivision
984 //extern cvar_t gl_subdivide_size;
985 // texture fullbrights
986 extern cvar_t r_fullbrights;
988 void Mod_Init (void);
989 void Mod_Reload (void);
990 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
991 dp_model_t *Mod_FindName (const char *name, const char *parentname);
992 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
993 void Mod_UnloadModel (dp_model_t *mod);
995 void Mod_ClearUsed(void);
996 void Mod_PurgeUnused(void);
997 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
999 extern dp_model_t *loadmodel;
1000 extern char loadname[32]; // for hunk tags
1002 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
1003 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
1004 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
1005 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
1006 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);
1008 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
1009 void Mod_MakeSortedSurfaces(dp_model_t *mod);
1011 // called specially by brush model loaders before generating submodels
1012 // automatically called after model loader returns
1013 void Mod_BuildVBOs(void);
1015 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);
1016 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
1017 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
1018 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
1019 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);
1020 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);
1021 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
1022 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
1023 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
1025 void Mod_CreateCollisionMesh(dp_model_t *mod);
1027 void Mod_FreeQ3Shaders(void);
1028 void Mod_LoadQ3Shaders(void);
1029 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
1030 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
1032 extern cvar_t r_mipskins;
1034 typedef struct skeleton_s
1036 const dp_model_t *model;
1037 matrix4x4_t *relativetransforms;
1041 typedef struct skinfileitem_s
1043 struct skinfileitem_s *next;
1044 char name[MAX_QPATH];
1045 char replacement[MAX_QPATH];
1049 typedef struct skinfile_s
1051 struct skinfile_s *next;
1052 skinfileitem_t *items;
1056 skinfile_t *Mod_LoadSkinFiles(void);
1057 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1058 int Mod_CountSkinFiles(skinfile_t *skinfile);
1059 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1061 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1062 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1063 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1065 typedef struct mod_alloclightmap_row_s
1070 mod_alloclightmap_row_t;
1072 typedef struct mod_alloclightmap_state_s
1077 mod_alloclightmap_row_t *rows;
1079 mod_alloclightmap_state_t;
1081 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1082 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1083 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1084 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1087 void Mod_BrushInit(void);
1088 // used for talking to the QuakeC mainly
1089 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1090 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1092 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1093 struct entity_render_s;
1094 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1095 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1096 void R_Q1BSP_Draw(struct entity_render_s *ent);
1097 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1098 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1099 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1100 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, int numfrustumplanes, const mplane_t *frustumplanes);
1101 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1102 void R_Q1BSP_DrawShadowMap(int side, struct entity_render_s *ent, const vec3_t relativelightorigin, const vec3_t relativelightdirection, float lightradius, int modelnumsurfaces, const int *modelsurfacelist, const unsigned char *surfacesides, const vec3_t lightmins, const vec3_t lightmaxs);
1103 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1104 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);
1105 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1107 // Collision optimization using Bounding Interval Hierarchy
1108 void Mod_CollisionBIH_TracePoint(dp_model_t *model, const struct frameblend_s *frameblend, const skeleton_t *skeleton, struct trace_s *trace, const vec3_t start, int hitsupercontentsmask);
1109 void Mod_CollisionBIH_TraceLine(dp_model_t *model, const struct frameblend_s *frameblend, const skeleton_t *skeleton, struct trace_s *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask);
1110 void Mod_CollisionBIH_TraceBox(dp_model_t *model, const struct frameblend_s *frameblend, const skeleton_t *skeleton, struct trace_s *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask);
1111 void Mod_CollisionBIH_TracePoint_Mesh(dp_model_t *model, const struct frameblend_s *frameblend, const skeleton_t *skeleton, struct trace_s *trace, const vec3_t start, int hitsupercontentsmask);
1112 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
1113 void Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces);
1116 struct frameblend_s;
1118 void Mod_AliasInit(void);
1119 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1120 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1121 int Mod_Alias_GetExtendedTagInfoForIndex(const dp_model_t *model, unsigned int skin, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, int *parentindex, const char **tagname, matrix4x4_t *tag_localmatrix);
1123 void Mod_Skeletal_FreeBuffers(void);
1126 void Mod_SpriteInit(void);
1129 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1130 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1131 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1132 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1133 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1134 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1135 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1136 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1137 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1138 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1139 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1140 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1142 #endif // MODEL_SHARED_H