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,
236 typedef int q3wavefunc_t;
237 #define Q3WAVEFUNC_USER_COUNT 4
238 #define Q3WAVEFUNC_USER_SHIFT 8 // use 8 bits for wave func type
240 typedef enum q3deform_e
243 Q3DEFORM_PROJECTIONSHADOW,
245 Q3DEFORM_AUTOSPRITE2,
262 typedef enum q3rgbgen_e
267 Q3RGBGEN_EXACTVERTEX,
268 Q3RGBGEN_IDENTITYLIGHTING,
269 Q3RGBGEN_LIGHTINGDIFFUSE,
270 Q3RGBGEN_ONEMINUSENTITY,
271 Q3RGBGEN_ONEMINUSVERTEX,
278 typedef enum q3alphagen_e
283 Q3ALPHAGEN_LIGHTINGSPECULAR,
284 Q3ALPHAGEN_ONEMINUSENTITY,
285 Q3ALPHAGEN_ONEMINUSVERTEX,
293 typedef enum q3tcgen_e
296 Q3TCGEN_TEXTURE, // very common
297 Q3TCGEN_ENVIRONMENT, // common
304 typedef enum q3tcmod_e
307 Q3TCMOD_ENTITYTRANSLATE,
319 typedef struct q3shaderinfo_layer_rgbgen_s
322 float parms[Q3RGBGEN_MAXPARMS];
323 q3wavefunc_t wavefunc;
324 float waveparms[Q3WAVEPARMS];
326 q3shaderinfo_layer_rgbgen_t;
328 typedef struct q3shaderinfo_layer_alphagen_s
330 q3alphagen_t alphagen;
331 float parms[Q3ALPHAGEN_MAXPARMS];
332 q3wavefunc_t wavefunc;
333 float waveparms[Q3WAVEPARMS];
335 q3shaderinfo_layer_alphagen_t;
337 typedef struct q3shaderinfo_layer_tcgen_s
340 float parms[Q3TCGEN_MAXPARMS];
342 q3shaderinfo_layer_tcgen_t;
344 typedef struct q3shaderinfo_layer_tcmod_s
347 float parms[Q3TCMOD_MAXPARMS];
348 q3wavefunc_t wavefunc;
349 float waveparms[Q3WAVEPARMS];
351 q3shaderinfo_layer_tcmod_t;
353 typedef struct q3shaderinfo_layer_s
362 q3shaderinfo_layer_rgbgen_t rgbgen;
363 q3shaderinfo_layer_alphagen_t alphagen;
364 q3shaderinfo_layer_tcgen_t tcgen;
365 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
367 q3shaderinfo_layer_t;
369 typedef struct q3shaderinfo_deform_s
372 float parms[Q3DEFORM_MAXPARMS];
373 q3wavefunc_t wavefunc;
374 float waveparms[Q3WAVEPARMS];
376 q3shaderinfo_deform_t;
378 typedef enum dpoffsetmapping_technique_s
380 OFFSETMAPPING_OFF, // none
381 OFFSETMAPPING_DEFAULT, // cvar-set
382 OFFSETMAPPING_LINEAR, // linear
383 OFFSETMAPPING_RELIEF // relief
384 }dpoffsetmapping_technique_t;
387 typedef struct q3shaderinfo_s
389 char name[Q3PATHLENGTH];
390 #define Q3SHADERINFO_COMPARE_START surfaceparms
395 qboolean vertexalpha;
396 qboolean textureblendalpha;
397 int primarylayer, backgroundlayer;
398 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
399 char skyboxname[Q3PATHLENGTH];
400 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
402 // dp-specific additions:
408 // add collisions to all triangles of the surface
409 qboolean dpmeshcollisions;
412 char dpreflectcube[Q3PATHLENGTH];
415 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
416 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
417 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
418 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
419 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
420 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
421 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
424 dpoffsetmapping_technique_t offsetmapping;
428 float specularscalemod;
429 float specularpowermod;
430 #define Q3SHADERINFO_COMPARE_END specularpowermod
434 typedef enum texturelayertype_e
436 TEXTURELAYERTYPE_INVALID,
437 TEXTURELAYERTYPE_LITTEXTURE,
438 TEXTURELAYERTYPE_TEXTURE,
439 TEXTURELAYERTYPE_FOG,
443 typedef struct texturelayer_s
445 texturelayertype_t type;
450 matrix4x4_t texmatrix;
455 typedef struct texture_s
461 unsigned int width, height;
463 //unsigned int flags;
465 // base material flags
466 int basematerialflags;
467 // current material flags (updated each bmodel render)
468 int currentmaterialflags;
470 // PolygonOffset values for rendering this material
471 // (these are added to the r_refdef values and submodel values)
472 float biaspolygonfactor;
473 float biaspolygonoffset;
475 // textures to use when rendering this material
476 skinframe_t *currentskinframe;
479 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
480 // background layer (for terrain texture blending)
481 skinframe_t *backgroundcurrentskinframe;
482 int backgroundnumskinframes;
483 float backgroundskinframerate;
484 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
486 // total frames in sequence and alternate sequence
488 // direct pointers to each of the frames in the sequences
489 // (indexed as [alternate][frame])
490 struct texture_s *anim_frames[2][10];
491 // set if animated or there is an alternate frame set
492 // (this is an optimization in the renderer)
495 // renderer checks if this texture needs updating...
496 int update_lastrenderframe;
497 void *update_lastrenderentity;
498 // the current alpha of this texture (may be affected by r_wateralpha)
500 // the current texture frame in animation
501 struct texture_s *currentframe;
502 // current texture transform matrix (used for water scrolling)
503 matrix4x4_t currenttexmatrix;
504 matrix4x4_t currentbackgroundtexmatrix;
506 // various q3 shader features
507 q3shaderinfo_layer_rgbgen_t rgbgen;
508 q3shaderinfo_layer_alphagen_t alphagen;
509 q3shaderinfo_layer_tcgen_t tcgen;
510 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
511 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
512 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
514 qboolean colormapping;
515 rtexture_t *basetexture; // original texture without pants/shirt/glow
516 rtexture_t *pantstexture; // pants only (in greyscale)
517 rtexture_t *shirttexture; // shirt only (in greyscale)
518 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
519 rtexture_t *glosstexture; // glossmap (for dot3)
520 rtexture_t *glowtexture; // glow only (fullbrights)
521 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
522 rtexture_t *reflectmasktexture; // mask for fake reflections
523 rtexture_t *reflectcubetexture; // fake reflections cubemap
524 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
525 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
526 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
527 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
530 // color tint (colormod * currentalpha) used for rtlighting this material
531 float dlightcolor[3];
532 // color tint (colormod * 2) used for lightmapped lighting on this material
533 // includes alpha as 4th component
534 // replaces role of gl_Color in GLSL shader
535 float lightmapcolor[4];
538 int customblendfunc[2];
540 int currentnumlayers;
541 texturelayer_t currentlayers[16];
551 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
552 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
553 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
554 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
555 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
556 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
557 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
558 int camera_entity; // entity number for use by cameras
561 dpoffsetmapping_technique_t offsetmapping;
565 float specularscalemod;
566 float specularpowermod;
570 typedef struct mtexinfo_s
578 typedef struct msurface_lightmapinfo_s
580 // texture mapping properties used by this surface
581 mtexinfo_t *texinfo; // q1bsp
582 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
583 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
584 // RGB lighting data [numstyles][height][width][3]
585 unsigned char *samples; // q1bsp
586 // RGB normalmap data [numstyles][height][width][3]
587 unsigned char *nmapsamples; // q1bsp
588 // stain to apply on lightmap (soot/dirt/blood/whatever)
589 unsigned char *stainsamples; // q1bsp
590 int texturemins[2]; // q1bsp
591 int extents[2]; // q1bsp
592 int lightmaporigin[2]; // q1bsp
594 msurface_lightmapinfo_t;
597 typedef struct msurface_s
599 // bounding box for onscreen checks
602 // the texture to use on the surface
604 // the lightmap texture fragment to use on the rendering mesh
605 rtexture_t *lightmaptexture;
606 // the lighting direction texture fragment to use on the rendering mesh
607 rtexture_t *deluxemaptexture;
608 // lightmaptexture rebuild information not used in q3bsp
609 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
610 // fog volume info in q3bsp
611 struct q3deffect_s *effect; // q3bsp
612 // mesh information for collisions (only used by q3bsp curves)
613 int num_firstcollisiontriangle;
614 int *deprecatedq3data_collisionelement3i; // q3bsp
615 float *deprecatedq3data_collisionvertex3f; // q3bsp
616 float *deprecatedq3data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
617 float *deprecatedq3data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
619 // surfaces own ranges of vertices and triangles in the model->surfmesh
620 int num_triangles; // number of triangles
621 int num_firsttriangle; // first triangle
622 int num_vertices; // number of vertices
623 int num_firstvertex; // first vertex
625 // shadow volume building information
626 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
628 // mesh information for collisions (only used by q3bsp curves)
629 int num_collisiontriangles; // q3bsp
630 int num_collisionvertices; // q3bsp
631 int deprecatedq3num_collisionbboxstride;
632 int deprecatedq3num_bboxstride;
633 // FIXME: collisionmarkframe should be kept in a separate array
634 int deprecatedq3collisionmarkframe; // q3bsp // don't collide twice in one trace
638 #include "matrixlib.h"
641 #include "model_brush.h"
642 #include "model_sprite.h"
643 #include "model_alias.h"
645 typedef struct model_sprite_s
648 mspriteframe_t *sprdata_frames;
654 typedef struct model_brush_lightstyleinfo_s
661 model_brush_lightstyleinfo_t;
663 typedef struct model_brush_s
665 // true if this model is a HalfLife .bsp file
667 // string of entity definitions (.map format)
670 // if not NULL this is a submodel
671 struct model_s *parentmodel;
672 // (this is the number of the submodel, an index into submodels)
675 // number of submodels in this map (just used by server to know how many
676 // submodels to load)
678 // pointers to each of the submodels
679 struct model_s **submodels;
682 mplane_t *data_planes;
687 // visible leafs, not counting 0 (solid)
689 // number of actual leafs (including 0 which is solid)
694 int *data_leafbrushes;
696 int num_leafsurfaces;
697 int *data_leafsurfaces;
700 mportal_t *data_portals;
702 int num_portalpoints;
703 mvertex_t *data_portalpoints;
706 q3mbrush_t *data_brushes;
709 q3mbrushside_t *data_brushsides;
713 int num_pvsclusterbytes;
714 unsigned char *data_pvsclusters;
716 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
717 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
719 // collision geometry for q3 curves
720 int num_collisionvertices;
721 int num_collisiontriangles;
722 float *data_collisionvertex3f;
723 int *data_collisionelement3i;
725 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
726 shadowmesh_t *shadowmesh;
728 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
729 shadowmesh_t *collisionmesh;
732 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
733 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
734 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
735 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
736 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
737 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
738 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
739 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
740 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
741 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
742 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
743 // these are actually only found on brushq1, but NULL is handled gracefully
744 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
745 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
746 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
747 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
749 char skybox[MAX_QPATH];
751 skinframe_t *solidskyskinframe;
752 skinframe_t *alphaskyskinframe;
754 qboolean supportwateralpha;
762 typedef struct model_brushq1_s
779 mclipnode_t *clipnodes;
781 hull_t hulls[MAX_MAP_HULLS];
783 int num_compressedpvs;
784 unsigned char *data_compressedpvs;
787 unsigned char *lightdata;
788 unsigned char *nmaplightdata; // deluxemap file
790 // lightmap update chains for light styles
792 model_brush_lightstyleinfo_t *data_lightstyleinfo;
794 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
795 unsigned char *lightmapupdateflags;
796 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
800 /* MSVC can't compile empty structs, so this is commented out for now
801 typedef struct model_brushq2_s
807 typedef struct model_brushq3_s
810 q3dmodel_t *data_models;
812 // used only during loading - freed after loading!
814 float *data_vertex3f;
815 float *data_normal3f;
816 float *data_texcoordtexture2f;
817 float *data_texcoordlightmap2f;
820 // freed after loading!
825 q3deffect_t *data_effects;
828 int num_originallightmaps;
829 int num_mergedlightmaps;
830 int num_lightmapmergedwidthpower;
831 int num_lightmapmergedheightpower;
832 int num_lightmapmergedwidthheightdeluxepower;
833 int num_lightmapmerge;
834 rtexture_t **data_lightmaps;
835 rtexture_t **data_deluxemaps;
837 // voxel light data with directional shading
839 q3dlightgrid_t *data_lightgrid;
840 // size of each cell (may vary by map, typically 64 64 128)
841 float num_lightgrid_cellsize[3];
842 // 1.0 / num_lightgrid_cellsize
843 float num_lightgrid_scale[3];
844 // dimensions of the world model in lightgrid cells
845 int num_lightgrid_imins[3];
846 int num_lightgrid_imaxs[3];
847 int num_lightgrid_isize[3];
848 // transform modelspace coordinates to lightgrid index
849 matrix4x4_t num_lightgrid_indexfromworld;
851 // true if this q3bsp file has been detected as using deluxemapping
852 // (lightmap texture pairs, every odd one is never directly refernced,
853 // and contains lighting normals, not colors)
854 qboolean deluxemapping;
855 // true if the detected deluxemaps are the modelspace kind, rather than
856 // the faster tangentspace kind
857 qboolean deluxemapping_modelspace;
858 // size of lightmaps (128 by default, but may be another poweroftwo if
859 // external lightmaps are used (q3map2 -lightmapsize)
867 typedef struct model_s
869 // name and path of model, for example "progs/player.mdl"
870 char name[MAX_QPATH];
871 // model needs to be loaded if this is false
873 // set if the model is used in current map, models which are not, are purged
875 // CRC of the file this model was loaded from, to reload if changed
877 // mod_brush, mod_alias, mod_sprite
879 // memory pool for allocations
881 // all models use textures...
882 rtexturepool_t *texturepool;
883 // EF_* flags (translated from the model file's different flags layout)
885 // number of QC accessible frame(group)s in the model
887 // number of QC accessible skin(group)s in the model
889 // whether to randomize animated framegroups
891 // bounding box at angles '0 0 0'
892 vec3_t normalmins, normalmaxs;
893 // bounding box if yaw angle is not 0, but pitch and roll are
894 vec3_t yawmins, yawmaxs;
895 // bounding box if pitch or roll are used
896 vec3_t rotatedmins, rotatedmaxs;
897 // sphere radius, usable at any angles
899 // squared sphere radius for easier comparisons
901 // skin animation info
902 animscene_t *skinscenes; // [numskins]
903 // skin animation info
904 animscene_t *animscenes; // [numframes]
905 // range of surface numbers in this (sub)model
906 int firstmodelsurface;
907 int nummodelsurfaces;
908 int *sortedmodelsurfaces;
909 // range of collision brush numbers in this (sub)model
912 // BIH (Bounding Interval Hierarchy) for this (sub)model
914 bih_t render_bih; // if not set, use collision_bih instead for rendering purposes too
918 aliastag_t *data_tags;
919 // for skeletal models
921 aliasbone_t *data_bones;
922 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
923 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
925 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
926 float *data_baseboneposeinverse;
927 // textures of this model
929 int num_texturesperskin;
930 texture_t *data_textures;
931 qboolean wantnormals;
932 qboolean wanttangents;
933 // surfaces of this model
935 msurface_t *data_surfaces;
936 // optional lightmapinfo data for surface lightmap updates
937 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
938 // all surfaces belong to this mesh
940 // data type of model
941 const char *modeldatatypestring;
942 // generates vertex data for a given frameblend
943 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);
944 // draw the model's sky polygons (only used by brush models)
945 void(*DrawSky)(struct entity_render_s *ent);
946 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
947 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
948 // draw the model using lightmap/dlight shading
949 void(*Draw)(struct entity_render_s *ent);
950 // draw the model to the depth buffer (no color rendering at all)
951 void(*DrawDepth)(struct entity_render_s *ent);
952 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
953 void(*DrawDebug)(struct entity_render_s *ent);
954 // draw geometry textures for deferred rendering
955 void(*DrawPrepass)(struct entity_render_s *ent);
956 // compile an optimized shadowmap mesh for the model based on light source
957 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
958 // draw depth into a shadowmap
959 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);
960 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
961 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);
962 // compile a shadow volume for the model based on light source
963 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
964 // draw a shadow volume for the model based on light source
965 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);
966 // draw the lighting on a model (through stencil)
967 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
968 // trace a box against this model
969 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);
970 void (*TraceBrush)(struct model_s *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, struct trace_s *trace, struct colbrushf_s *start, struct colbrushf_s *end, int hitsupercontentsmask);
971 // trace a box against this model
972 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);
973 // trace a point against this model (like PointSuperContents)
974 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);
975 // find the supercontents value at a point in this model
976 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
977 // fields belonging to some types of model
978 model_sprite_t sprite;
980 model_brushq1_t brushq1;
981 /* MSVC can't handle an empty struct, so this is commented out for now
982 model_brushq2_t brushq2;
984 model_brushq3_t brushq3;
985 // flags this model for offseting sounds to the model center (used by brush models)
990 //============================================================================
993 extern dp_model_t *loadmodel;
994 extern unsigned char *mod_base;
995 // sky/water subdivision
996 //extern cvar_t gl_subdivide_size;
997 // texture fullbrights
998 extern cvar_t r_fullbrights;
1000 void Mod_Init (void);
1001 void Mod_Reload (void);
1002 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
1003 dp_model_t *Mod_FindName (const char *name, const char *parentname);
1004 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
1005 void Mod_UnloadModel (dp_model_t *mod);
1007 void Mod_ClearUsed(void);
1008 void Mod_PurgeUnused(void);
1009 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
1011 extern dp_model_t *loadmodel;
1012 extern char loadname[32]; // for hunk tags
1014 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
1015 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
1016 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
1017 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
1018 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);
1020 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
1021 void Mod_MakeSortedSurfaces(dp_model_t *mod);
1023 // called specially by brush model loaders before generating submodels
1024 // automatically called after model loader returns
1025 void Mod_BuildVBOs(void);
1027 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);
1028 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
1029 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
1030 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
1031 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);
1032 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);
1033 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
1034 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
1035 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
1037 void Mod_CreateCollisionMesh(dp_model_t *mod);
1039 void Mod_FreeQ3Shaders(void);
1040 void Mod_LoadQ3Shaders(void);
1041 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
1042 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
1044 extern cvar_t r_mipskins;
1045 extern cvar_t r_mipnormalmaps;
1047 typedef struct skeleton_s
1049 const dp_model_t *model;
1050 matrix4x4_t *relativetransforms;
1054 typedef struct skinfileitem_s
1056 struct skinfileitem_s *next;
1057 char name[MAX_QPATH];
1058 char replacement[MAX_QPATH];
1062 typedef struct skinfile_s
1064 struct skinfile_s *next;
1065 skinfileitem_t *items;
1069 skinfile_t *Mod_LoadSkinFiles(void);
1070 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1071 int Mod_CountSkinFiles(skinfile_t *skinfile);
1072 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1074 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1075 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1076 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1078 typedef struct mod_alloclightmap_row_s
1083 mod_alloclightmap_row_t;
1085 typedef struct mod_alloclightmap_state_s
1090 mod_alloclightmap_row_t *rows;
1092 mod_alloclightmap_state_t;
1094 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1095 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1096 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1097 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1100 void Mod_BrushInit(void);
1101 // used for talking to the QuakeC mainly
1102 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1103 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1105 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1106 struct entity_render_s;
1107 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1108 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1109 void R_Q1BSP_Draw(struct entity_render_s *ent);
1110 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1111 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1112 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1113 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);
1114 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1115 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);
1116 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1117 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);
1118 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1120 // Collision optimization using Bounding Interval Hierarchy
1121 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);
1122 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);
1123 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);
1124 void Mod_CollisionBIH_TraceBrush(dp_model_t *model, const struct frameblend_s *frameblend, const skeleton_t *skeleton, struct trace_s *trace, struct colbrushf_s *start, struct colbrushf_s *end, int hitsupercontentsmask);
1125 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);
1126 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
1127 bih_t *Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces, bih_t *out);
1130 struct frameblend_s;
1132 void Mod_AliasInit(void);
1133 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1134 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1135 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);
1137 void Mod_Skeletal_FreeBuffers(void);
1140 void Mod_SpriteInit(void);
1143 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1144 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1145 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1146 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1147 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1148 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1149 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1150 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1151 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1152 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1153 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1154 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1155 void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1157 #endif // MODEL_SHARED_H