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 // used for mesh lists in q1bsp/q3bsp map models
98 // (the surfaces reference portions of these meshes)
99 typedef struct surfmesh_s
101 // triangle data in system memory
102 int num_triangles; // number of triangles in the mesh
103 int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
104 unsigned short *data_element3s; // unsigned short[tris*3] triangles of the mesh in unsigned short format (NULL if num_vertices > 65536)
105 int *data_neighbor3i; // int[tris*3] neighboring triangle on each edge (-1 if none)
106 // element buffer object (stores triangles in video memory)
107 int ebo3i; // unsigned int format (only allocated if num_vertices > 65536)
108 int ebo3s; // unsigned short format (only allocated if num_vertices <= 65536)
109 // vertex data in system memory
110 int num_vertices; // number of vertices in the mesh
111 float *data_vertex3f; // float[verts*3] vertex locations
112 float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
113 float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
114 float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
115 float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
116 float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
117 float *data_lightmapcolor4f;
118 int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
119 // vertex buffer object (stores geometry in video memory)
121 size_t vbooffset_vertex3f;
122 size_t vbooffset_svector3f;
123 size_t vbooffset_tvector3f;
124 size_t vbooffset_normal3f;
125 size_t vbooffset_texcoordtexture2f;
126 size_t vbooffset_texcoordlightmap2f;
127 size_t vbooffset_lightmapcolor4f;
128 // morph blending, these are zero if model is skeletal or static
130 struct md3vertex_s *data_morphmd3vertex;
131 struct trivertx_s *data_morphmdlvertex;
132 struct texvecvertex_s *data_morphtexvecvertex;
133 float *data_morphmd2framesize6f;
134 float num_morphmdlframescale[3];
135 float num_morphmdlframetranslate[3];
136 // skeletal blending, these are NULL if model is morph or static
137 int *data_vertexweightindex4i;
138 float *data_vertexweightinfluence4f;
140 unsigned short *blends;
141 // set if there is some kind of animation on this model
146 #define SHADOWMESHVERTEXHASH 1024
147 typedef struct shadowmeshvertexhash_s
149 struct shadowmeshvertexhash_s *next;
151 shadowmeshvertexhash_t;
153 typedef struct shadowmesh_s
155 // next mesh in chain
156 struct shadowmesh_s *next;
157 // used for light mesh (NULL on shadow mesh)
158 rtexture_t *map_diffuse;
159 rtexture_t *map_specular;
160 rtexture_t *map_normal;
162 int numverts, maxverts;
163 int numtriangles, maxtriangles;
166 // used for light mesh (NULL on shadow mesh)
173 unsigned short *element3s;
174 // used for shadow mapping cubemap side partitioning
175 int sideoffsets[6], sidetotals[6];
176 // used for shadow mesh (NULL on light mesh)
178 // these are NULL after Mod_ShadowMesh_Finish is performed, only used
179 // while building meshes
180 shadowmeshvertexhash_t **vertexhashtable, *vertexhashentries;
181 // element buffer object (stores triangles in video memory)
182 // (created by Mod_ShadowMesh_Finish if possible)
185 // vertex buffer object (stores vertices in video memory)
186 // (created by Mod_ShadowMesh_Finish if possible)
188 size_t vbooffset_vertex3f;
189 size_t vbooffset_svector3f;
190 size_t vbooffset_tvector3f;
191 size_t vbooffset_normal3f;
192 size_t vbooffset_texcoord2f;
196 // various flags from shaders, used for special effects not otherwise classified
197 // TODO: support these features more directly
198 #define Q3TEXTUREFLAG_TWOSIDED 1
199 #define Q3TEXTUREFLAG_NOPICMIP 16
200 #define Q3TEXTUREFLAG_POLYGONOFFSET 32
201 #define Q3TEXTUREFLAG_REFRACTION 256
202 #define Q3TEXTUREFLAG_REFLECTION 512
203 #define Q3TEXTUREFLAG_WATERSHADER 1024
205 #define Q3PATHLENGTH 64
206 #define TEXTURE_MAXFRAMES 64
207 #define Q3WAVEPARMS 4
208 #define Q3DEFORM_MAXPARMS 3
209 #define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
210 #define Q3RGBGEN_MAXPARMS 3
211 #define Q3ALPHAGEN_MAXPARMS 1
212 #define Q3TCGEN_MAXPARMS 6
213 #define Q3TCMOD_MAXPARMS 6
214 #define Q3MAXTCMODS 8
215 #define Q3MAXDEFORMS 4
217 typedef enum q3wavefunc_e
220 Q3WAVEFUNC_INVERSESAWTOOTH,
230 typedef enum q3deform_e
233 Q3DEFORM_PROJECTIONSHADOW,
235 Q3DEFORM_AUTOSPRITE2,
252 typedef enum q3rgbgen_e
257 Q3RGBGEN_EXACTVERTEX,
258 Q3RGBGEN_IDENTITYLIGHTING,
259 Q3RGBGEN_LIGHTINGDIFFUSE,
260 Q3RGBGEN_ONEMINUSENTITY,
261 Q3RGBGEN_ONEMINUSVERTEX,
268 typedef enum q3alphagen_e
273 Q3ALPHAGEN_LIGHTINGSPECULAR,
274 Q3ALPHAGEN_ONEMINUSENTITY,
275 Q3ALPHAGEN_ONEMINUSVERTEX,
283 typedef enum q3tcgen_e
286 Q3TCGEN_TEXTURE, // very common
287 Q3TCGEN_ENVIRONMENT, // common
294 typedef enum q3tcmod_e
297 Q3TCMOD_ENTITYTRANSLATE,
309 typedef struct q3shaderinfo_layer_rgbgen_s
312 float parms[Q3RGBGEN_MAXPARMS];
313 q3wavefunc_t wavefunc;
314 float waveparms[Q3WAVEPARMS];
316 q3shaderinfo_layer_rgbgen_t;
318 typedef struct q3shaderinfo_layer_alphagen_s
320 q3alphagen_t alphagen;
321 float parms[Q3ALPHAGEN_MAXPARMS];
322 q3wavefunc_t wavefunc;
323 float waveparms[Q3WAVEPARMS];
325 q3shaderinfo_layer_alphagen_t;
327 typedef struct q3shaderinfo_layer_tcgen_s
330 float parms[Q3TCGEN_MAXPARMS];
332 q3shaderinfo_layer_tcgen_t;
334 typedef struct q3shaderinfo_layer_tcmod_s
337 float parms[Q3TCMOD_MAXPARMS];
338 q3wavefunc_t wavefunc;
339 float waveparms[Q3WAVEPARMS];
341 q3shaderinfo_layer_tcmod_t;
343 typedef struct q3shaderinfo_layer_s
352 q3shaderinfo_layer_rgbgen_t rgbgen;
353 q3shaderinfo_layer_alphagen_t alphagen;
354 q3shaderinfo_layer_tcgen_t tcgen;
355 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
357 q3shaderinfo_layer_t;
359 typedef struct q3shaderinfo_deform_s
362 float parms[Q3DEFORM_MAXPARMS];
363 q3wavefunc_t wavefunc;
364 float waveparms[Q3WAVEPARMS];
366 q3shaderinfo_deform_t;
368 typedef struct q3shaderinfo_s
370 char name[Q3PATHLENGTH];
371 #define Q3SHADERINFO_COMPARE_START surfaceparms
376 qboolean vertexalpha;
377 qboolean textureblendalpha;
378 int primarylayer, backgroundlayer;
379 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
380 char skyboxname[Q3PATHLENGTH];
381 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
383 // dp-specific additions:
390 char dpreflectcube[Q3PATHLENGTH];
393 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
394 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
395 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
396 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
397 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
398 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
399 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
402 float specularscalemod;
403 float specularpowermod;
404 #define Q3SHADERINFO_COMPARE_END specularpowermod
408 typedef enum texturelayertype_e
410 TEXTURELAYERTYPE_INVALID,
411 TEXTURELAYERTYPE_LITTEXTURE,
412 TEXTURELAYERTYPE_TEXTURE,
413 TEXTURELAYERTYPE_FOG,
417 typedef struct texturelayer_s
419 texturelayertype_t type;
424 matrix4x4_t texmatrix;
429 typedef struct texture_s
435 unsigned int width, height;
437 //unsigned int flags;
439 // base material flags
440 int basematerialflags;
441 // current material flags (updated each bmodel render)
442 int currentmaterialflags;
444 // PolygonOffset values for rendering this material
445 // (these are added to the r_refdef values and submodel values)
446 float biaspolygonfactor;
447 float biaspolygonoffset;
449 // textures to use when rendering this material
450 skinframe_t *currentskinframe;
453 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
454 // background layer (for terrain texture blending)
455 skinframe_t *backgroundcurrentskinframe;
456 int backgroundnumskinframes;
457 float backgroundskinframerate;
458 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
460 // total frames in sequence and alternate sequence
462 // direct pointers to each of the frames in the sequences
463 // (indexed as [alternate][frame])
464 struct texture_s *anim_frames[2][10];
465 // set if animated or there is an alternate frame set
466 // (this is an optimization in the renderer)
469 // renderer checks if this texture needs updating...
470 int update_lastrenderframe;
471 void *update_lastrenderentity;
472 // the current alpha of this texture (may be affected by r_wateralpha)
474 // the current texture frame in animation
475 struct texture_s *currentframe;
476 // current texture transform matrix (used for water scrolling)
477 matrix4x4_t currenttexmatrix;
478 matrix4x4_t currentbackgroundtexmatrix;
480 // various q3 shader features
481 q3shaderinfo_layer_rgbgen_t rgbgen;
482 q3shaderinfo_layer_alphagen_t alphagen;
483 q3shaderinfo_layer_tcgen_t tcgen;
484 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
485 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
486 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
488 qboolean colormapping;
489 rtexture_t *basetexture; // original texture without pants/shirt/glow
490 rtexture_t *pantstexture; // pants only (in greyscale)
491 rtexture_t *shirttexture; // shirt only (in greyscale)
492 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
493 rtexture_t *glosstexture; // glossmap (for dot3)
494 rtexture_t *glowtexture; // glow only (fullbrights)
495 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
496 rtexture_t *reflectmasktexture; // mask for fake reflections
497 rtexture_t *reflectcubetexture; // fake reflections cubemap
498 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
499 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
500 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
501 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
504 // color tint (colormod * currentalpha) used for rtlighting this material
505 float dlightcolor[3];
506 // color tint (colormod * 2) used for lightmapped lighting on this material
507 // includes alpha as 4th component
508 // replaces role of gl_Color in GLSL shader
509 float lightmapcolor[4];
512 int customblendfunc[2];
514 int currentnumlayers;
515 texturelayer_t currentlayers[16];
525 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
526 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
527 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
528 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
529 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
530 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
531 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
534 float specularscalemod;
535 float specularpowermod;
539 typedef struct mtexinfo_s
547 typedef struct msurface_lightmapinfo_s
549 // texture mapping properties used by this surface
550 mtexinfo_t *texinfo; // q1bsp
551 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
552 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
553 // RGB lighting data [numstyles][height][width][3]
554 unsigned char *samples; // q1bsp
555 // RGB normalmap data [numstyles][height][width][3]
556 unsigned char *nmapsamples; // q1bsp
557 // stain to apply on lightmap (soot/dirt/blood/whatever)
558 unsigned char *stainsamples; // q1bsp
559 int texturemins[2]; // q1bsp
560 int extents[2]; // q1bsp
561 int lightmaporigin[2]; // q1bsp
563 msurface_lightmapinfo_t;
566 typedef struct msurface_s
568 // bounding box for onscreen checks
571 // the texture to use on the surface
573 // the lightmap texture fragment to use on the rendering mesh
574 rtexture_t *lightmaptexture;
575 // the lighting direction texture fragment to use on the rendering mesh
576 rtexture_t *deluxemaptexture;
577 // lightmaptexture rebuild information not used in q3bsp
578 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
579 // fog volume info in q3bsp
580 struct q3deffect_s *effect; // q3bsp
581 // mesh information for collisions (only used by q3bsp curves)
582 int *data_collisionelement3i; // q3bsp
583 float *data_collisionvertex3f; // q3bsp
584 float *data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
585 float *data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
587 // surfaces own ranges of vertices and triangles in the model->surfmesh
588 int num_triangles; // number of triangles
589 int num_firsttriangle; // first triangle
590 int num_vertices; // number of vertices
591 int num_firstvertex; // first vertex
593 // shadow volume building information
594 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
596 // mesh information for collisions (only used by q3bsp curves)
597 int num_collisiontriangles; // q3bsp
598 int num_collisionvertices; // q3bsp
599 int num_collisionbboxstride;
601 // FIXME: collisionmarkframe should be kept in a separate array
602 int collisionmarkframe; // q3bsp // don't collide twice in one trace
606 #include "matrixlib.h"
608 #include "model_brush.h"
609 #include "model_sprite.h"
610 #include "model_alias.h"
612 typedef struct model_sprite_s
615 mspriteframe_t *sprdata_frames;
621 typedef struct model_brush_lightstyleinfo_s
628 model_brush_lightstyleinfo_t;
630 typedef struct model_brush_s
632 // true if this model is a HalfLife .bsp file
634 // string of entity definitions (.map format)
637 // if not NULL this is a submodel
638 struct model_s *parentmodel;
639 // (this is the number of the submodel, an index into submodels)
642 // number of submodels in this map (just used by server to know how many
643 // submodels to load)
645 // pointers to each of the submodels
646 struct model_s **submodels;
649 mplane_t *data_planes;
654 // visible leafs, not counting 0 (solid)
656 // number of actual leafs (including 0 which is solid)
661 int *data_leafbrushes;
663 int num_leafsurfaces;
664 int *data_leafsurfaces;
667 mportal_t *data_portals;
669 int num_portalpoints;
670 mvertex_t *data_portalpoints;
673 q3mbrush_t *data_brushes;
676 q3mbrushside_t *data_brushsides;
680 int num_pvsclusterbytes;
681 unsigned char *data_pvsclusters;
683 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
684 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
686 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
687 shadowmesh_t *shadowmesh;
689 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
690 shadowmesh_t *collisionmesh;
693 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
694 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
695 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
696 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
697 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
698 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
699 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
700 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
701 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
702 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
703 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
704 // these are actually only found on brushq1, but NULL is handled gracefully
705 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
706 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
707 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
708 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
710 char skybox[MAX_QPATH];
712 skinframe_t *solidskyskinframe;
713 skinframe_t *alphaskyskinframe;
715 qboolean supportwateralpha;
723 typedef struct model_brushq1_s
740 mclipnode_t *clipnodes;
742 hull_t hulls[MAX_MAP_HULLS];
744 int num_compressedpvs;
745 unsigned char *data_compressedpvs;
748 unsigned char *lightdata;
749 unsigned char *nmaplightdata; // deluxemap file
751 // lightmap update chains for light styles
753 model_brush_lightstyleinfo_t *data_lightstyleinfo;
755 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
756 unsigned char *lightmapupdateflags;
757 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
761 /* MSVC can't compile empty structs, so this is commented out for now
762 typedef struct model_brushq2_s
768 typedef struct model_brushq3_s
771 q3dmodel_t *data_models;
773 // used only during loading - freed after loading!
775 float *data_vertex3f;
776 float *data_normal3f;
777 float *data_texcoordtexture2f;
778 float *data_texcoordlightmap2f;
781 // freed after loading!
786 q3deffect_t *data_effects;
789 int num_originallightmaps;
790 int num_mergedlightmaps;
791 int num_lightmapmergepower;
792 int num_lightmapmerge;
793 rtexture_t **data_lightmaps;
794 rtexture_t **data_deluxemaps;
796 // voxel light data with directional shading
798 q3dlightgrid_t *data_lightgrid;
799 // size of each cell (may vary by map, typically 64 64 128)
800 float num_lightgrid_cellsize[3];
801 // 1.0 / num_lightgrid_cellsize
802 float num_lightgrid_scale[3];
803 // dimensions of the world model in lightgrid cells
804 int num_lightgrid_imins[3];
805 int num_lightgrid_imaxs[3];
806 int num_lightgrid_isize[3];
807 // transform modelspace coordinates to lightgrid index
808 matrix4x4_t num_lightgrid_indexfromworld;
810 // true if this q3bsp file has been detected as using deluxemapping
811 // (lightmap texture pairs, every odd one is never directly refernced,
812 // and contains lighting normals, not colors)
813 qboolean deluxemapping;
814 // true if the detected deluxemaps are the modelspace kind, rather than
815 // the faster tangentspace kind
816 qboolean deluxemapping_modelspace;
817 // size of lightmaps (128 by default, but may be another poweroftwo if
818 // external lightmaps are used (q3map2 -lightmapsize)
826 typedef struct model_s
828 // name and path of model, for example "progs/player.mdl"
829 char name[MAX_QPATH];
830 // model needs to be loaded if this is false
832 // set if the model is used in current map, models which are not, are purged
834 // CRC of the file this model was loaded from, to reload if changed
836 // mod_brush, mod_alias, mod_sprite
838 // memory pool for allocations
840 // all models use textures...
841 rtexturepool_t *texturepool;
842 // EF_* flags (translated from the model file's different flags layout)
844 // number of QC accessible frame(group)s in the model
846 // number of QC accessible skin(group)s in the model
848 // whether to randomize animated framegroups
850 // bounding box at angles '0 0 0'
851 vec3_t normalmins, normalmaxs;
852 // bounding box if yaw angle is not 0, but pitch and roll are
853 vec3_t yawmins, yawmaxs;
854 // bounding box if pitch or roll are used
855 vec3_t rotatedmins, rotatedmaxs;
856 // sphere radius, usable at any angles
858 // squared sphere radius for easier comparisons
860 // skin animation info
861 animscene_t *skinscenes; // [numskins]
862 // skin animation info
863 animscene_t *animscenes; // [numframes]
864 // range of surface numbers in this (sub)model
865 int firstmodelsurface;
866 int nummodelsurfaces;
867 int *sortedmodelsurfaces;
868 // range of collision brush numbers in this (sub)model
874 aliastag_t *data_tags;
875 // for skeletal models
877 aliasbone_t *data_bones;
878 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
879 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
881 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
882 float *data_baseboneposeinverse;
883 // textures of this model
885 int num_texturesperskin;
886 texture_t *data_textures;
887 qboolean wantnormals;
888 qboolean wanttangents;
889 // surfaces of this model
891 msurface_t *data_surfaces;
892 // optional lightmapinfo data for surface lightmap updates
893 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
894 // all surfaces belong to this mesh
896 // data type of model
897 const char *modeldatatypestring;
898 // generates vertex data for a given frameblend
899 void(*AnimateVertices)(const struct model_s *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f);
900 // draw the model's sky polygons (only used by brush models)
901 void(*DrawSky)(struct entity_render_s *ent);
902 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
903 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
904 // draw the model using lightmap/dlight shading
905 void(*Draw)(struct entity_render_s *ent);
906 // draw the model to the depth buffer (no color rendering at all)
907 void(*DrawDepth)(struct entity_render_s *ent);
908 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
909 void(*DrawDebug)(struct entity_render_s *ent);
910 // draw geometry textures for deferred rendering
911 void(*DrawPrepass)(struct entity_render_s *ent);
912 // compile an optimized shadowmap mesh for the model based on light source
913 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
914 // draw depth into a shadowmap
915 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);
916 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
917 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);
918 // compile a shadow volume for the model based on light source
919 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
920 // draw a shadow volume for the model based on light source
921 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);
922 // draw the lighting on a model (through stencil)
923 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
924 // trace a box against this model
925 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);
926 // trace a box against this model
927 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);
928 // trace a point against this model (like PointSuperContents)
929 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);
930 // find the supercontents value at a point in this model
931 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
932 // fields belonging to some types of model
933 model_sprite_t sprite;
935 model_brushq1_t brushq1;
936 /* MSVC can't handle an empty struct, so this is commented out for now
937 model_brushq2_t brushq2;
939 model_brushq3_t brushq3;
940 // flags this model for offseting sounds to the model center (used by brush models)
945 //============================================================================
948 extern dp_model_t *loadmodel;
949 extern unsigned char *mod_base;
950 // sky/water subdivision
951 //extern cvar_t gl_subdivide_size;
952 // texture fullbrights
953 extern cvar_t r_fullbrights;
955 void Mod_Init (void);
956 void Mod_Reload (void);
957 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
958 dp_model_t *Mod_FindName (const char *name, const char *parentname);
959 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
960 void Mod_UnloadModel (dp_model_t *mod);
962 void Mod_ClearUsed(void);
963 void Mod_PurgeUnused(void);
964 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
966 extern dp_model_t *loadmodel;
967 extern char loadname[32]; // for hunk tags
969 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
970 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
971 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
972 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
973 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);
975 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
976 void Mod_MakeSortedSurfaces(dp_model_t *mod);
978 // called specially by brush model loaders before generating submodels
979 // automatically called after model loader returns
980 void Mod_BuildVBOs(void);
982 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);
983 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
984 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
985 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
986 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);
987 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);
988 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
989 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
990 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
992 void Mod_CreateCollisionMesh(dp_model_t *mod);
994 void Mod_FreeQ3Shaders(void);
995 void Mod_LoadQ3Shaders(void);
996 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
997 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
999 extern cvar_t r_mipskins;
1001 typedef struct skeleton_s
1003 const dp_model_t *model;
1004 matrix4x4_t *relativetransforms;
1008 typedef struct skinfileitem_s
1010 struct skinfileitem_s *next;
1011 char name[MAX_QPATH];
1012 char replacement[MAX_QPATH];
1016 typedef struct skinfile_s
1018 struct skinfile_s *next;
1019 skinfileitem_t *items;
1023 skinfile_t *Mod_LoadSkinFiles(void);
1024 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1025 int Mod_CountSkinFiles(skinfile_t *skinfile);
1026 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1028 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1029 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1030 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1032 typedef struct mod_alloclightmap_row_s
1037 mod_alloclightmap_row_t;
1039 typedef struct mod_alloclightmap_state_s
1044 mod_alloclightmap_row_t *rows;
1046 mod_alloclightmap_state_t;
1048 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1049 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1050 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1051 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1054 void Mod_BrushInit(void);
1055 // used for talking to the QuakeC mainly
1056 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1057 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1059 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1060 struct entity_render_s;
1061 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1062 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1063 void R_Q1BSP_Draw(struct entity_render_s *ent);
1064 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1065 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1066 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1067 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);
1068 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1069 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);
1070 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1071 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);
1072 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1075 struct frameblend_s;
1077 void Mod_AliasInit(void);
1078 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1079 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1080 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);
1082 void Mod_Skeletal_FreeBuffers(void);
1085 void Mod_SpriteInit(void);
1088 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1089 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1090 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1091 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1092 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1093 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1094 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1095 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1096 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1097 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1098 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1099 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1101 #endif // MODEL_SHARED_H