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:
404 // add collisions to all triangles of the surface
405 qboolean dpmeshcollisions;
408 char dpreflectcube[Q3PATHLENGTH];
411 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
412 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
413 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
414 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
415 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
416 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
417 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
420 dpoffsetmapping_technique_t offsetmapping;
424 float specularscalemod;
425 float specularpowermod;
426 #define Q3SHADERINFO_COMPARE_END specularpowermod
430 typedef enum texturelayertype_e
432 TEXTURELAYERTYPE_INVALID,
433 TEXTURELAYERTYPE_LITTEXTURE,
434 TEXTURELAYERTYPE_TEXTURE,
435 TEXTURELAYERTYPE_FOG,
439 typedef struct texturelayer_s
441 texturelayertype_t type;
446 matrix4x4_t texmatrix;
451 typedef struct texture_s
457 unsigned int width, height;
459 //unsigned int flags;
461 // base material flags
462 int basematerialflags;
463 // current material flags (updated each bmodel render)
464 int currentmaterialflags;
466 // PolygonOffset values for rendering this material
467 // (these are added to the r_refdef values and submodel values)
468 float biaspolygonfactor;
469 float biaspolygonoffset;
471 // textures to use when rendering this material
472 skinframe_t *currentskinframe;
475 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
476 // background layer (for terrain texture blending)
477 skinframe_t *backgroundcurrentskinframe;
478 int backgroundnumskinframes;
479 float backgroundskinframerate;
480 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
482 // total frames in sequence and alternate sequence
484 // direct pointers to each of the frames in the sequences
485 // (indexed as [alternate][frame])
486 struct texture_s *anim_frames[2][10];
487 // set if animated or there is an alternate frame set
488 // (this is an optimization in the renderer)
491 // renderer checks if this texture needs updating...
492 int update_lastrenderframe;
493 void *update_lastrenderentity;
494 // the current alpha of this texture (may be affected by r_wateralpha)
496 // the current texture frame in animation
497 struct texture_s *currentframe;
498 // current texture transform matrix (used for water scrolling)
499 matrix4x4_t currenttexmatrix;
500 matrix4x4_t currentbackgroundtexmatrix;
502 // various q3 shader features
503 q3shaderinfo_layer_rgbgen_t rgbgen;
504 q3shaderinfo_layer_alphagen_t alphagen;
505 q3shaderinfo_layer_tcgen_t tcgen;
506 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
507 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
508 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
510 qboolean colormapping;
511 rtexture_t *basetexture; // original texture without pants/shirt/glow
512 rtexture_t *pantstexture; // pants only (in greyscale)
513 rtexture_t *shirttexture; // shirt only (in greyscale)
514 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
515 rtexture_t *glosstexture; // glossmap (for dot3)
516 rtexture_t *glowtexture; // glow only (fullbrights)
517 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
518 rtexture_t *reflectmasktexture; // mask for fake reflections
519 rtexture_t *reflectcubetexture; // fake reflections cubemap
520 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
521 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
522 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
523 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
526 // color tint (colormod * currentalpha) used for rtlighting this material
527 float dlightcolor[3];
528 // color tint (colormod * 2) used for lightmapped lighting on this material
529 // includes alpha as 4th component
530 // replaces role of gl_Color in GLSL shader
531 float lightmapcolor[4];
534 int customblendfunc[2];
536 int currentnumlayers;
537 texturelayer_t currentlayers[16];
547 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
548 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
549 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
550 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
551 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
552 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
553 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
556 dpoffsetmapping_technique_t offsetmapping;
560 float specularscalemod;
561 float specularpowermod;
565 typedef struct mtexinfo_s
573 typedef struct msurface_lightmapinfo_s
575 // texture mapping properties used by this surface
576 mtexinfo_t *texinfo; // q1bsp
577 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
578 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
579 // RGB lighting data [numstyles][height][width][3]
580 unsigned char *samples; // q1bsp
581 // RGB normalmap data [numstyles][height][width][3]
582 unsigned char *nmapsamples; // q1bsp
583 // stain to apply on lightmap (soot/dirt/blood/whatever)
584 unsigned char *stainsamples; // q1bsp
585 int texturemins[2]; // q1bsp
586 int extents[2]; // q1bsp
587 int lightmaporigin[2]; // q1bsp
589 msurface_lightmapinfo_t;
592 typedef struct msurface_s
594 // bounding box for onscreen checks
597 // the texture to use on the surface
599 // the lightmap texture fragment to use on the rendering mesh
600 rtexture_t *lightmaptexture;
601 // the lighting direction texture fragment to use on the rendering mesh
602 rtexture_t *deluxemaptexture;
603 // lightmaptexture rebuild information not used in q3bsp
604 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
605 // fog volume info in q3bsp
606 struct q3deffect_s *effect; // q3bsp
607 // mesh information for collisions (only used by q3bsp curves)
608 int num_firstcollisiontriangle;
609 int *deprecatedq3data_collisionelement3i; // q3bsp
610 float *deprecatedq3data_collisionvertex3f; // q3bsp
611 float *deprecatedq3data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
612 float *deprecatedq3data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
614 // surfaces own ranges of vertices and triangles in the model->surfmesh
615 int num_triangles; // number of triangles
616 int num_firsttriangle; // first triangle
617 int num_vertices; // number of vertices
618 int num_firstvertex; // first vertex
620 // shadow volume building information
621 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
623 // mesh information for collisions (only used by q3bsp curves)
624 int num_collisiontriangles; // q3bsp
625 int num_collisionvertices; // q3bsp
626 int deprecatedq3num_collisionbboxstride;
627 int deprecatedq3num_bboxstride;
628 // FIXME: collisionmarkframe should be kept in a separate array
629 int deprecatedq3collisionmarkframe; // q3bsp // don't collide twice in one trace
633 #include "matrixlib.h"
636 #include "model_brush.h"
637 #include "model_sprite.h"
638 #include "model_alias.h"
640 typedef struct model_sprite_s
643 mspriteframe_t *sprdata_frames;
649 typedef struct model_brush_lightstyleinfo_s
656 model_brush_lightstyleinfo_t;
658 typedef struct model_brush_s
660 // true if this model is a HalfLife .bsp file
662 // string of entity definitions (.map format)
665 // if not NULL this is a submodel
666 struct model_s *parentmodel;
667 // (this is the number of the submodel, an index into submodels)
670 // number of submodels in this map (just used by server to know how many
671 // submodels to load)
673 // pointers to each of the submodels
674 struct model_s **submodels;
677 mplane_t *data_planes;
682 // visible leafs, not counting 0 (solid)
684 // number of actual leafs (including 0 which is solid)
689 int *data_leafbrushes;
691 int num_leafsurfaces;
692 int *data_leafsurfaces;
695 mportal_t *data_portals;
697 int num_portalpoints;
698 mvertex_t *data_portalpoints;
701 q3mbrush_t *data_brushes;
704 q3mbrushside_t *data_brushsides;
708 int num_pvsclusterbytes;
709 unsigned char *data_pvsclusters;
711 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
712 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
714 // collision geometry for q3 curves
715 int num_collisionvertices;
716 int num_collisiontriangles;
717 float *data_collisionvertex3f;
718 int *data_collisionelement3i;
720 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
721 shadowmesh_t *shadowmesh;
723 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
724 shadowmesh_t *collisionmesh;
727 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
728 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
729 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
730 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
731 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
732 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
733 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
734 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
735 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
736 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
737 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
738 // these are actually only found on brushq1, but NULL is handled gracefully
739 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
740 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
741 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
742 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
744 char skybox[MAX_QPATH];
746 skinframe_t *solidskyskinframe;
747 skinframe_t *alphaskyskinframe;
749 qboolean supportwateralpha;
757 typedef struct model_brushq1_s
774 mclipnode_t *clipnodes;
776 hull_t hulls[MAX_MAP_HULLS];
778 int num_compressedpvs;
779 unsigned char *data_compressedpvs;
782 unsigned char *lightdata;
783 unsigned char *nmaplightdata; // deluxemap file
785 // lightmap update chains for light styles
787 model_brush_lightstyleinfo_t *data_lightstyleinfo;
789 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
790 unsigned char *lightmapupdateflags;
791 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
795 /* MSVC can't compile empty structs, so this is commented out for now
796 typedef struct model_brushq2_s
802 typedef struct model_brushq3_s
805 q3dmodel_t *data_models;
807 // used only during loading - freed after loading!
809 float *data_vertex3f;
810 float *data_normal3f;
811 float *data_texcoordtexture2f;
812 float *data_texcoordlightmap2f;
815 // freed after loading!
820 q3deffect_t *data_effects;
823 int num_originallightmaps;
824 int num_mergedlightmaps;
825 int num_lightmapmergepower;
826 int num_lightmapmerge;
827 rtexture_t **data_lightmaps;
828 rtexture_t **data_deluxemaps;
830 // voxel light data with directional shading
832 q3dlightgrid_t *data_lightgrid;
833 // size of each cell (may vary by map, typically 64 64 128)
834 float num_lightgrid_cellsize[3];
835 // 1.0 / num_lightgrid_cellsize
836 float num_lightgrid_scale[3];
837 // dimensions of the world model in lightgrid cells
838 int num_lightgrid_imins[3];
839 int num_lightgrid_imaxs[3];
840 int num_lightgrid_isize[3];
841 // transform modelspace coordinates to lightgrid index
842 matrix4x4_t num_lightgrid_indexfromworld;
844 // true if this q3bsp file has been detected as using deluxemapping
845 // (lightmap texture pairs, every odd one is never directly refernced,
846 // and contains lighting normals, not colors)
847 qboolean deluxemapping;
848 // true if the detected deluxemaps are the modelspace kind, rather than
849 // the faster tangentspace kind
850 qboolean deluxemapping_modelspace;
851 // size of lightmaps (128 by default, but may be another poweroftwo if
852 // external lightmaps are used (q3map2 -lightmapsize)
860 typedef struct model_s
862 // name and path of model, for example "progs/player.mdl"
863 char name[MAX_QPATH];
864 // model needs to be loaded if this is false
866 // set if the model is used in current map, models which are not, are purged
868 // CRC of the file this model was loaded from, to reload if changed
870 // mod_brush, mod_alias, mod_sprite
872 // memory pool for allocations
874 // all models use textures...
875 rtexturepool_t *texturepool;
876 // EF_* flags (translated from the model file's different flags layout)
878 // number of QC accessible frame(group)s in the model
880 // number of QC accessible skin(group)s in the model
882 // whether to randomize animated framegroups
884 // bounding box at angles '0 0 0'
885 vec3_t normalmins, normalmaxs;
886 // bounding box if yaw angle is not 0, but pitch and roll are
887 vec3_t yawmins, yawmaxs;
888 // bounding box if pitch or roll are used
889 vec3_t rotatedmins, rotatedmaxs;
890 // sphere radius, usable at any angles
892 // squared sphere radius for easier comparisons
894 // skin animation info
895 animscene_t *skinscenes; // [numskins]
896 // skin animation info
897 animscene_t *animscenes; // [numframes]
898 // range of surface numbers in this (sub)model
899 int firstmodelsurface;
900 int nummodelsurfaces;
901 int *sortedmodelsurfaces;
902 // range of collision brush numbers in this (sub)model
905 // BIH (Bounding Interval Hierarchy) for this (sub)model
910 aliastag_t *data_tags;
911 // for skeletal models
913 aliasbone_t *data_bones;
914 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
915 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
917 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
918 float *data_baseboneposeinverse;
919 // textures of this model
921 int num_texturesperskin;
922 texture_t *data_textures;
923 qboolean wantnormals;
924 qboolean wanttangents;
925 // surfaces of this model
927 msurface_t *data_surfaces;
928 // optional lightmapinfo data for surface lightmap updates
929 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
930 // all surfaces belong to this mesh
932 // data type of model
933 const char *modeldatatypestring;
934 // generates vertex data for a given frameblend
935 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);
936 // draw the model's sky polygons (only used by brush models)
937 void(*DrawSky)(struct entity_render_s *ent);
938 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
939 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
940 // draw the model using lightmap/dlight shading
941 void(*Draw)(struct entity_render_s *ent);
942 // draw the model to the depth buffer (no color rendering at all)
943 void(*DrawDepth)(struct entity_render_s *ent);
944 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
945 void(*DrawDebug)(struct entity_render_s *ent);
946 // draw geometry textures for deferred rendering
947 void(*DrawPrepass)(struct entity_render_s *ent);
948 // compile an optimized shadowmap mesh for the model based on light source
949 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
950 // draw depth into a shadowmap
951 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);
952 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
953 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);
954 // compile a shadow volume for the model based on light source
955 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
956 // draw a shadow volume for the model based on light source
957 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);
958 // draw the lighting on a model (through stencil)
959 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
960 // trace a box against this model
961 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);
962 // trace a box against this model
963 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);
964 // trace a point against this model (like PointSuperContents)
965 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);
966 // find the supercontents value at a point in this model
967 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
968 // fields belonging to some types of model
969 model_sprite_t sprite;
971 model_brushq1_t brushq1;
972 /* MSVC can't handle an empty struct, so this is commented out for now
973 model_brushq2_t brushq2;
975 model_brushq3_t brushq3;
976 // flags this model for offseting sounds to the model center (used by brush models)
981 //============================================================================
984 extern dp_model_t *loadmodel;
985 extern unsigned char *mod_base;
986 // sky/water subdivision
987 //extern cvar_t gl_subdivide_size;
988 // texture fullbrights
989 extern cvar_t r_fullbrights;
991 void Mod_Init (void);
992 void Mod_Reload (void);
993 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
994 dp_model_t *Mod_FindName (const char *name, const char *parentname);
995 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
996 void Mod_UnloadModel (dp_model_t *mod);
998 void Mod_ClearUsed(void);
999 void Mod_PurgeUnused(void);
1000 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
1002 extern dp_model_t *loadmodel;
1003 extern char loadname[32]; // for hunk tags
1005 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
1006 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
1007 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
1008 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
1009 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);
1011 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
1012 void Mod_MakeSortedSurfaces(dp_model_t *mod);
1014 // called specially by brush model loaders before generating submodels
1015 // automatically called after model loader returns
1016 void Mod_BuildVBOs(void);
1018 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);
1019 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
1020 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
1021 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
1022 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);
1023 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);
1024 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
1025 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
1026 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
1028 void Mod_CreateCollisionMesh(dp_model_t *mod);
1030 void Mod_FreeQ3Shaders(void);
1031 void Mod_LoadQ3Shaders(void);
1032 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
1033 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
1035 extern cvar_t r_mipskins;
1037 typedef struct skeleton_s
1039 const dp_model_t *model;
1040 matrix4x4_t *relativetransforms;
1044 typedef struct skinfileitem_s
1046 struct skinfileitem_s *next;
1047 char name[MAX_QPATH];
1048 char replacement[MAX_QPATH];
1052 typedef struct skinfile_s
1054 struct skinfile_s *next;
1055 skinfileitem_t *items;
1059 skinfile_t *Mod_LoadSkinFiles(void);
1060 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1061 int Mod_CountSkinFiles(skinfile_t *skinfile);
1062 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1064 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1065 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1066 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1068 typedef struct mod_alloclightmap_row_s
1073 mod_alloclightmap_row_t;
1075 typedef struct mod_alloclightmap_state_s
1080 mod_alloclightmap_row_t *rows;
1082 mod_alloclightmap_state_t;
1084 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1085 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1086 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1087 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1090 void Mod_BrushInit(void);
1091 // used for talking to the QuakeC mainly
1092 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1093 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1095 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1096 struct entity_render_s;
1097 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1098 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1099 void R_Q1BSP_Draw(struct entity_render_s *ent);
1100 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1101 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1102 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1103 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);
1104 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1105 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);
1106 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1107 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);
1108 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1110 // Collision optimization using Bounding Interval Hierarchy
1111 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);
1112 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);
1113 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);
1114 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);
1115 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
1116 void Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces);
1119 struct frameblend_s;
1121 void Mod_AliasInit(void);
1122 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1123 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1124 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);
1126 void Mod_Skeletal_FreeBuffers(void);
1129 void Mod_SpriteInit(void);
1132 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1133 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1134 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1135 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1136 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1137 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1138 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1139 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1140 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1141 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1142 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1143 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1145 #endif // MODEL_SHARED_H