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
210 #define Q3TEXTUREFLAG_CAMERA 2048
212 #define Q3PATHLENGTH 64
213 #define TEXTURE_MAXFRAMES 64
214 #define Q3WAVEPARMS 4
215 #define Q3DEFORM_MAXPARMS 3
216 #define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
217 #define Q3RGBGEN_MAXPARMS 3
218 #define Q3ALPHAGEN_MAXPARMS 1
219 #define Q3TCGEN_MAXPARMS 6
220 #define Q3TCMOD_MAXPARMS 6
221 #define Q3MAXTCMODS 8
222 #define Q3MAXDEFORMS 4
224 typedef enum q3wavefunc_e
227 Q3WAVEFUNC_INVERSESAWTOOTH,
237 typedef enum q3deform_e
240 Q3DEFORM_PROJECTIONSHADOW,
242 Q3DEFORM_AUTOSPRITE2,
259 typedef enum q3rgbgen_e
264 Q3RGBGEN_EXACTVERTEX,
265 Q3RGBGEN_IDENTITYLIGHTING,
266 Q3RGBGEN_LIGHTINGDIFFUSE,
267 Q3RGBGEN_ONEMINUSENTITY,
268 Q3RGBGEN_ONEMINUSVERTEX,
275 typedef enum q3alphagen_e
280 Q3ALPHAGEN_LIGHTINGSPECULAR,
281 Q3ALPHAGEN_ONEMINUSENTITY,
282 Q3ALPHAGEN_ONEMINUSVERTEX,
290 typedef enum q3tcgen_e
293 Q3TCGEN_TEXTURE, // very common
294 Q3TCGEN_ENVIRONMENT, // common
301 typedef enum q3tcmod_e
304 Q3TCMOD_ENTITYTRANSLATE,
316 typedef struct q3shaderinfo_layer_rgbgen_s
319 float parms[Q3RGBGEN_MAXPARMS];
320 q3wavefunc_t wavefunc;
321 float waveparms[Q3WAVEPARMS];
323 q3shaderinfo_layer_rgbgen_t;
325 typedef struct q3shaderinfo_layer_alphagen_s
327 q3alphagen_t alphagen;
328 float parms[Q3ALPHAGEN_MAXPARMS];
329 q3wavefunc_t wavefunc;
330 float waveparms[Q3WAVEPARMS];
332 q3shaderinfo_layer_alphagen_t;
334 typedef struct q3shaderinfo_layer_tcgen_s
337 float parms[Q3TCGEN_MAXPARMS];
339 q3shaderinfo_layer_tcgen_t;
341 typedef struct q3shaderinfo_layer_tcmod_s
344 float parms[Q3TCMOD_MAXPARMS];
345 q3wavefunc_t wavefunc;
346 float waveparms[Q3WAVEPARMS];
348 q3shaderinfo_layer_tcmod_t;
350 typedef struct q3shaderinfo_layer_s
359 q3shaderinfo_layer_rgbgen_t rgbgen;
360 q3shaderinfo_layer_alphagen_t alphagen;
361 q3shaderinfo_layer_tcgen_t tcgen;
362 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
364 q3shaderinfo_layer_t;
366 typedef struct q3shaderinfo_deform_s
369 float parms[Q3DEFORM_MAXPARMS];
370 q3wavefunc_t wavefunc;
371 float waveparms[Q3WAVEPARMS];
373 q3shaderinfo_deform_t;
375 typedef enum dpoffsetmapping_technique_s
377 OFFSETMAPPING_OFF, // none
378 OFFSETMAPPING_DEFAULT, // cvar-set
379 OFFSETMAPPING_LINEAR, // linear
380 OFFSETMAPPING_RELIEF // relief
381 }dpoffsetmapping_technique_t;
384 typedef struct q3shaderinfo_s
386 char name[Q3PATHLENGTH];
387 #define Q3SHADERINFO_COMPARE_START surfaceparms
392 qboolean vertexalpha;
393 qboolean textureblendalpha;
394 int primarylayer, backgroundlayer;
395 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
396 char skyboxname[Q3PATHLENGTH];
397 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
399 // dp-specific additions:
405 // add collisions to all triangles of the surface
406 qboolean dpmeshcollisions;
409 char dpreflectcube[Q3PATHLENGTH];
412 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
413 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
414 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
415 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
416 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
417 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
418 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
421 dpoffsetmapping_technique_t offsetmapping;
425 float specularscalemod;
426 float specularpowermod;
427 #define Q3SHADERINFO_COMPARE_END specularpowermod
431 typedef enum texturelayertype_e
433 TEXTURELAYERTYPE_INVALID,
434 TEXTURELAYERTYPE_LITTEXTURE,
435 TEXTURELAYERTYPE_TEXTURE,
436 TEXTURELAYERTYPE_FOG,
440 typedef struct texturelayer_s
442 texturelayertype_t type;
447 matrix4x4_t texmatrix;
452 typedef struct texture_s
458 unsigned int width, height;
460 //unsigned int flags;
462 // base material flags
463 int basematerialflags;
464 // current material flags (updated each bmodel render)
465 int currentmaterialflags;
467 // PolygonOffset values for rendering this material
468 // (these are added to the r_refdef values and submodel values)
469 float biaspolygonfactor;
470 float biaspolygonoffset;
472 // textures to use when rendering this material
473 skinframe_t *currentskinframe;
476 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
477 // background layer (for terrain texture blending)
478 skinframe_t *backgroundcurrentskinframe;
479 int backgroundnumskinframes;
480 float backgroundskinframerate;
481 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
483 // total frames in sequence and alternate sequence
485 // direct pointers to each of the frames in the sequences
486 // (indexed as [alternate][frame])
487 struct texture_s *anim_frames[2][10];
488 // set if animated or there is an alternate frame set
489 // (this is an optimization in the renderer)
492 // renderer checks if this texture needs updating...
493 int update_lastrenderframe;
494 void *update_lastrenderentity;
495 // the current alpha of this texture (may be affected by r_wateralpha)
497 // the current texture frame in animation
498 struct texture_s *currentframe;
499 // current texture transform matrix (used for water scrolling)
500 matrix4x4_t currenttexmatrix;
501 matrix4x4_t currentbackgroundtexmatrix;
503 // various q3 shader features
504 q3shaderinfo_layer_rgbgen_t rgbgen;
505 q3shaderinfo_layer_alphagen_t alphagen;
506 q3shaderinfo_layer_tcgen_t tcgen;
507 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
508 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
509 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
511 qboolean colormapping;
512 rtexture_t *basetexture; // original texture without pants/shirt/glow
513 rtexture_t *pantstexture; // pants only (in greyscale)
514 rtexture_t *shirttexture; // shirt only (in greyscale)
515 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
516 rtexture_t *glosstexture; // glossmap (for dot3)
517 rtexture_t *glowtexture; // glow only (fullbrights)
518 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
519 rtexture_t *reflectmasktexture; // mask for fake reflections
520 rtexture_t *reflectcubetexture; // fake reflections cubemap
521 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
522 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
523 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
524 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
527 // color tint (colormod * currentalpha) used for rtlighting this material
528 float dlightcolor[3];
529 // color tint (colormod * 2) used for lightmapped lighting on this material
530 // includes alpha as 4th component
531 // replaces role of gl_Color in GLSL shader
532 float lightmapcolor[4];
535 int customblendfunc[2];
537 int currentnumlayers;
538 texturelayer_t currentlayers[16];
548 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
549 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
550 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
551 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
552 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
553 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
554 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
555 int camera_entity; // entity number for use by cameras
558 dpoffsetmapping_technique_t offsetmapping;
562 float specularscalemod;
563 float specularpowermod;
567 typedef struct mtexinfo_s
575 typedef struct msurface_lightmapinfo_s
577 // texture mapping properties used by this surface
578 mtexinfo_t *texinfo; // q1bsp
579 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
580 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
581 // RGB lighting data [numstyles][height][width][3]
582 unsigned char *samples; // q1bsp
583 // RGB normalmap data [numstyles][height][width][3]
584 unsigned char *nmapsamples; // q1bsp
585 // stain to apply on lightmap (soot/dirt/blood/whatever)
586 unsigned char *stainsamples; // q1bsp
587 int texturemins[2]; // q1bsp
588 int extents[2]; // q1bsp
589 int lightmaporigin[2]; // q1bsp
591 msurface_lightmapinfo_t;
594 typedef struct msurface_s
596 // bounding box for onscreen checks
599 // the texture to use on the surface
601 // the lightmap texture fragment to use on the rendering mesh
602 rtexture_t *lightmaptexture;
603 // the lighting direction texture fragment to use on the rendering mesh
604 rtexture_t *deluxemaptexture;
605 // lightmaptexture rebuild information not used in q3bsp
606 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
607 // fog volume info in q3bsp
608 struct q3deffect_s *effect; // q3bsp
609 // mesh information for collisions (only used by q3bsp curves)
610 int num_firstcollisiontriangle;
611 int *deprecatedq3data_collisionelement3i; // q3bsp
612 float *deprecatedq3data_collisionvertex3f; // q3bsp
613 float *deprecatedq3data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
614 float *deprecatedq3data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
616 // surfaces own ranges of vertices and triangles in the model->surfmesh
617 int num_triangles; // number of triangles
618 int num_firsttriangle; // first triangle
619 int num_vertices; // number of vertices
620 int num_firstvertex; // first vertex
622 // shadow volume building information
623 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
625 // mesh information for collisions (only used by q3bsp curves)
626 int num_collisiontriangles; // q3bsp
627 int num_collisionvertices; // q3bsp
628 int deprecatedq3num_collisionbboxstride;
629 int deprecatedq3num_bboxstride;
630 // FIXME: collisionmarkframe should be kept in a separate array
631 int deprecatedq3collisionmarkframe; // q3bsp // don't collide twice in one trace
635 #include "matrixlib.h"
638 #include "model_brush.h"
639 #include "model_sprite.h"
640 #include "model_alias.h"
642 typedef struct model_sprite_s
645 mspriteframe_t *sprdata_frames;
651 typedef struct model_brush_lightstyleinfo_s
658 model_brush_lightstyleinfo_t;
660 typedef struct model_brush_s
662 // true if this model is a HalfLife .bsp file
664 // string of entity definitions (.map format)
667 // if not NULL this is a submodel
668 struct model_s *parentmodel;
669 // (this is the number of the submodel, an index into submodels)
672 // number of submodels in this map (just used by server to know how many
673 // submodels to load)
675 // pointers to each of the submodels
676 struct model_s **submodels;
679 mplane_t *data_planes;
684 // visible leafs, not counting 0 (solid)
686 // number of actual leafs (including 0 which is solid)
691 int *data_leafbrushes;
693 int num_leafsurfaces;
694 int *data_leafsurfaces;
697 mportal_t *data_portals;
699 int num_portalpoints;
700 mvertex_t *data_portalpoints;
703 q3mbrush_t *data_brushes;
706 q3mbrushside_t *data_brushsides;
710 int num_pvsclusterbytes;
711 unsigned char *data_pvsclusters;
713 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
714 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
716 // collision geometry for q3 curves
717 int num_collisionvertices;
718 int num_collisiontriangles;
719 float *data_collisionvertex3f;
720 int *data_collisionelement3i;
722 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
723 shadowmesh_t *shadowmesh;
725 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
726 shadowmesh_t *collisionmesh;
729 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
730 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
731 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
732 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
733 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
734 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
735 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
736 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
737 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
738 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
739 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
740 // these are actually only found on brushq1, but NULL is handled gracefully
741 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
742 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
743 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
744 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
746 char skybox[MAX_QPATH];
748 skinframe_t *solidskyskinframe;
749 skinframe_t *alphaskyskinframe;
751 qboolean supportwateralpha;
759 typedef struct model_brushq1_s
776 mclipnode_t *clipnodes;
778 hull_t hulls[MAX_MAP_HULLS];
780 int num_compressedpvs;
781 unsigned char *data_compressedpvs;
784 unsigned char *lightdata;
785 unsigned char *nmaplightdata; // deluxemap file
787 // lightmap update chains for light styles
789 model_brush_lightstyleinfo_t *data_lightstyleinfo;
791 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
792 unsigned char *lightmapupdateflags;
793 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
797 /* MSVC can't compile empty structs, so this is commented out for now
798 typedef struct model_brushq2_s
804 typedef struct model_brushq3_s
807 q3dmodel_t *data_models;
809 // used only during loading - freed after loading!
811 float *data_vertex3f;
812 float *data_normal3f;
813 float *data_texcoordtexture2f;
814 float *data_texcoordlightmap2f;
817 // freed after loading!
822 q3deffect_t *data_effects;
825 int num_originallightmaps;
826 int num_mergedlightmaps;
827 int num_lightmapmergepower;
828 int num_lightmapmerge;
829 rtexture_t **data_lightmaps;
830 rtexture_t **data_deluxemaps;
832 // voxel light data with directional shading
834 q3dlightgrid_t *data_lightgrid;
835 // size of each cell (may vary by map, typically 64 64 128)
836 float num_lightgrid_cellsize[3];
837 // 1.0 / num_lightgrid_cellsize
838 float num_lightgrid_scale[3];
839 // dimensions of the world model in lightgrid cells
840 int num_lightgrid_imins[3];
841 int num_lightgrid_imaxs[3];
842 int num_lightgrid_isize[3];
843 // transform modelspace coordinates to lightgrid index
844 matrix4x4_t num_lightgrid_indexfromworld;
846 // true if this q3bsp file has been detected as using deluxemapping
847 // (lightmap texture pairs, every odd one is never directly refernced,
848 // and contains lighting normals, not colors)
849 qboolean deluxemapping;
850 // true if the detected deluxemaps are the modelspace kind, rather than
851 // the faster tangentspace kind
852 qboolean deluxemapping_modelspace;
853 // size of lightmaps (128 by default, but may be another poweroftwo if
854 // external lightmaps are used (q3map2 -lightmapsize)
862 typedef struct model_s
864 // name and path of model, for example "progs/player.mdl"
865 char name[MAX_QPATH];
866 // model needs to be loaded if this is false
868 // set if the model is used in current map, models which are not, are purged
870 // CRC of the file this model was loaded from, to reload if changed
872 // mod_brush, mod_alias, mod_sprite
874 // memory pool for allocations
876 // all models use textures...
877 rtexturepool_t *texturepool;
878 // EF_* flags (translated from the model file's different flags layout)
880 // number of QC accessible frame(group)s in the model
882 // number of QC accessible skin(group)s in the model
884 // whether to randomize animated framegroups
886 // bounding box at angles '0 0 0'
887 vec3_t normalmins, normalmaxs;
888 // bounding box if yaw angle is not 0, but pitch and roll are
889 vec3_t yawmins, yawmaxs;
890 // bounding box if pitch or roll are used
891 vec3_t rotatedmins, rotatedmaxs;
892 // sphere radius, usable at any angles
894 // squared sphere radius for easier comparisons
896 // skin animation info
897 animscene_t *skinscenes; // [numskins]
898 // skin animation info
899 animscene_t *animscenes; // [numframes]
900 // range of surface numbers in this (sub)model
901 int firstmodelsurface;
902 int nummodelsurfaces;
903 int *sortedmodelsurfaces;
904 // range of collision brush numbers in this (sub)model
907 // BIH (Bounding Interval Hierarchy) for this (sub)model
912 aliastag_t *data_tags;
913 // for skeletal models
915 aliasbone_t *data_bones;
916 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
917 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
919 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
920 float *data_baseboneposeinverse;
921 // textures of this model
923 int num_texturesperskin;
924 texture_t *data_textures;
925 qboolean wantnormals;
926 qboolean wanttangents;
927 // surfaces of this model
929 msurface_t *data_surfaces;
930 // optional lightmapinfo data for surface lightmap updates
931 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
932 // all surfaces belong to this mesh
934 // data type of model
935 const char *modeldatatypestring;
936 // generates vertex data for a given frameblend
937 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);
938 // draw the model's sky polygons (only used by brush models)
939 void(*DrawSky)(struct entity_render_s *ent);
940 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
941 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
942 // draw the model using lightmap/dlight shading
943 void(*Draw)(struct entity_render_s *ent);
944 // draw the model to the depth buffer (no color rendering at all)
945 void(*DrawDepth)(struct entity_render_s *ent);
946 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
947 void(*DrawDebug)(struct entity_render_s *ent);
948 // draw geometry textures for deferred rendering
949 void(*DrawPrepass)(struct entity_render_s *ent);
950 // compile an optimized shadowmap mesh for the model based on light source
951 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
952 // draw depth into a shadowmap
953 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);
954 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
955 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);
956 // compile a shadow volume for the model based on light source
957 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
958 // draw a shadow volume for the model based on light source
959 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);
960 // draw the lighting on a model (through stencil)
961 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
962 // trace a box against this model
963 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);
964 // trace a box against this model
965 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);
966 // trace a point against this model (like PointSuperContents)
967 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);
968 // find the supercontents value at a point in this model
969 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
970 // fields belonging to some types of model
971 model_sprite_t sprite;
973 model_brushq1_t brushq1;
974 /* MSVC can't handle an empty struct, so this is commented out for now
975 model_brushq2_t brushq2;
977 model_brushq3_t brushq3;
978 // flags this model for offseting sounds to the model center (used by brush models)
983 //============================================================================
986 extern dp_model_t *loadmodel;
987 extern unsigned char *mod_base;
988 // sky/water subdivision
989 //extern cvar_t gl_subdivide_size;
990 // texture fullbrights
991 extern cvar_t r_fullbrights;
993 void Mod_Init (void);
994 void Mod_Reload (void);
995 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
996 dp_model_t *Mod_FindName (const char *name, const char *parentname);
997 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
998 void Mod_UnloadModel (dp_model_t *mod);
1000 void Mod_ClearUsed(void);
1001 void Mod_PurgeUnused(void);
1002 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
1004 extern dp_model_t *loadmodel;
1005 extern char loadname[32]; // for hunk tags
1007 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
1008 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
1009 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
1010 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
1011 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);
1013 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
1014 void Mod_MakeSortedSurfaces(dp_model_t *mod);
1016 // called specially by brush model loaders before generating submodels
1017 // automatically called after model loader returns
1018 void Mod_BuildVBOs(void);
1020 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);
1021 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
1022 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
1023 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
1024 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);
1025 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);
1026 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
1027 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
1028 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
1030 void Mod_CreateCollisionMesh(dp_model_t *mod);
1032 void Mod_FreeQ3Shaders(void);
1033 void Mod_LoadQ3Shaders(void);
1034 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
1035 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
1037 extern cvar_t r_mipskins;
1039 typedef struct skeleton_s
1041 const dp_model_t *model;
1042 matrix4x4_t *relativetransforms;
1046 typedef struct skinfileitem_s
1048 struct skinfileitem_s *next;
1049 char name[MAX_QPATH];
1050 char replacement[MAX_QPATH];
1054 typedef struct skinfile_s
1056 struct skinfile_s *next;
1057 skinfileitem_t *items;
1061 skinfile_t *Mod_LoadSkinFiles(void);
1062 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1063 int Mod_CountSkinFiles(skinfile_t *skinfile);
1064 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1066 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1067 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1068 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1070 typedef struct mod_alloclightmap_row_s
1075 mod_alloclightmap_row_t;
1077 typedef struct mod_alloclightmap_state_s
1082 mod_alloclightmap_row_t *rows;
1084 mod_alloclightmap_state_t;
1086 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1087 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1088 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1089 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1092 void Mod_BrushInit(void);
1093 // used for talking to the QuakeC mainly
1094 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1095 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1097 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1098 struct entity_render_s;
1099 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1100 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1101 void R_Q1BSP_Draw(struct entity_render_s *ent);
1102 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1103 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1104 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1105 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);
1106 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1107 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);
1108 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1109 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);
1110 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1112 // Collision optimization using Bounding Interval Hierarchy
1113 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);
1114 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);
1115 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);
1116 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);
1117 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
1118 void Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces);
1121 struct frameblend_s;
1123 void Mod_AliasInit(void);
1124 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1125 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1126 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);
1128 void Mod_Skeletal_FreeBuffers(void);
1131 void Mod_SpriteInit(void);
1134 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1135 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1136 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1137 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1138 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1139 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1140 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1141 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1142 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1143 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1144 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1145 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1146 void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1148 #endif // MODEL_SHARED_H