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 typedef struct r_vertexposition_s
111 typedef struct r_vertexgeneric_s
115 unsigned char color4ub[4];
120 typedef struct r_vertexmesh_s
124 unsigned char color4ub[4];
125 float texcoordtexture2f[2];
126 float texcoordlightmap2f[2];
133 typedef struct r_meshbuffer_s
135 int bufferobject; // OpenGL
136 void *devicebuffer; // Direct3D
138 qboolean isindexbuffer;
141 char name[MAX_QPATH];
145 // used for mesh lists in q1bsp/q3bsp map models
146 // (the surfaces reference portions of these meshes)
147 typedef struct surfmesh_s
149 // triangle data in system memory
150 int num_triangles; // number of triangles in the mesh
151 int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
152 r_meshbuffer_t *data_element3i_indexbuffer;
153 size_t data_element3i_bufferoffset;
154 unsigned short *data_element3s; // unsigned short[tris*3] triangles of the mesh in unsigned short format (NULL if num_vertices > 65536)
155 r_meshbuffer_t *data_element3s_indexbuffer;
156 size_t data_element3s_bufferoffset;
157 int *data_neighbor3i; // int[tris*3] neighboring triangle on each edge (-1 if none)
158 // vertex data in system memory
159 int num_vertices; // number of vertices in the mesh
160 float *data_vertex3f; // float[verts*3] vertex locations
161 float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
162 float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
163 float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
164 float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
165 float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
166 float *data_lightmapcolor4f;
167 int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
168 // vertex buffer object (stores geometry in video memory)
169 r_meshbuffer_t *vbo_vertexbuffer;
170 size_t vbooffset_vertex3f;
171 size_t vbooffset_svector3f;
172 size_t vbooffset_tvector3f;
173 size_t vbooffset_normal3f;
174 size_t vbooffset_texcoordtexture2f;
175 size_t vbooffset_texcoordlightmap2f;
176 size_t vbooffset_lightmapcolor4f;
177 // morph blending, these are zero if model is skeletal or static
179 struct md3vertex_s *data_morphmd3vertex;
180 struct trivertx_s *data_morphmdlvertex;
181 struct texvecvertex_s *data_morphtexvecvertex;
182 float *data_morphmd2framesize6f;
183 float num_morphmdlframescale[3];
184 float num_morphmdlframetranslate[3];
185 // skeletal blending, these are NULL if model is morph or static
186 struct blendweights_s *data_blendweights;
188 unsigned short *blends;
189 // set if there is some kind of animation on this model
192 // vertex and index buffers for rendering
193 r_vertexposition_t *vertexposition;
194 r_vertexmesh_t *vertexmesh;
195 r_meshbuffer_t *vertexpositionbuffer;
196 r_meshbuffer_t *vertexmeshbuffer;
200 #define SHADOWMESHVERTEXHASH 1024
201 typedef struct shadowmeshvertexhash_s
203 struct shadowmeshvertexhash_s *next;
205 shadowmeshvertexhash_t;
207 typedef struct shadowmesh_s
209 // next mesh in chain
210 struct shadowmesh_s *next;
211 // used for light mesh (NULL on shadow mesh)
212 rtexture_t *map_diffuse;
213 rtexture_t *map_specular;
214 rtexture_t *map_normal;
216 int numverts, maxverts;
217 int numtriangles, maxtriangles;
220 // used for light mesh (NULL on shadow mesh)
227 r_meshbuffer_t *element3i_indexbuffer;
228 size_t element3i_bufferoffset;
229 unsigned short *element3s;
230 r_meshbuffer_t *element3s_indexbuffer;
231 size_t element3s_bufferoffset;
232 // used for shadow mapping cubemap side partitioning
233 int sideoffsets[6], sidetotals[6];
234 // used for shadow mesh (NULL on light mesh)
236 // these are NULL after Mod_ShadowMesh_Finish is performed, only used
237 // while building meshes
238 shadowmeshvertexhash_t **vertexhashtable, *vertexhashentries;
239 r_meshbuffer_t *vbo_vertexbuffer;
240 size_t vbooffset_vertex3f;
241 size_t vbooffset_svector3f;
242 size_t vbooffset_tvector3f;
243 size_t vbooffset_normal3f;
244 size_t vbooffset_texcoord2f;
245 // vertex/index buffers for rendering
246 // (created by Mod_ShadowMesh_Finish if possible)
247 r_vertexposition_t *vertexposition;
248 r_vertexmesh_t *vertexmesh; // usually NULL
249 r_meshbuffer_t *vertexpositionbuffer;
250 r_meshbuffer_t *vertexmeshbuffer; // usually NULL
254 // various flags from shaders, used for special effects not otherwise classified
255 // TODO: support these features more directly
256 #define Q3TEXTUREFLAG_TWOSIDED 1
257 #define Q3TEXTUREFLAG_NOPICMIP 16
258 #define Q3TEXTUREFLAG_POLYGONOFFSET 32
259 #define Q3TEXTUREFLAG_REFRACTION 256
260 #define Q3TEXTUREFLAG_REFLECTION 512
261 #define Q3TEXTUREFLAG_WATERSHADER 1024
262 #define Q3TEXTUREFLAG_CAMERA 2048
264 #define Q3PATHLENGTH 64
265 #define TEXTURE_MAXFRAMES 64
266 #define Q3WAVEPARMS 4
267 #define Q3DEFORM_MAXPARMS 3
268 #define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
269 #define Q3RGBGEN_MAXPARMS 3
270 #define Q3ALPHAGEN_MAXPARMS 1
271 #define Q3TCGEN_MAXPARMS 6
272 #define Q3TCMOD_MAXPARMS 6
273 #define Q3MAXTCMODS 8
274 #define Q3MAXDEFORMS 4
276 typedef enum q3wavefunc_e
279 Q3WAVEFUNC_INVERSESAWTOOTH,
288 typedef int q3wavefunc_t;
289 #define Q3WAVEFUNC_USER_COUNT 4
290 #define Q3WAVEFUNC_USER_SHIFT 8 // use 8 bits for wave func type
292 typedef enum q3deform_e
295 Q3DEFORM_PROJECTIONSHADOW,
297 Q3DEFORM_AUTOSPRITE2,
314 typedef enum q3rgbgen_e
319 Q3RGBGEN_EXACTVERTEX,
320 Q3RGBGEN_IDENTITYLIGHTING,
321 Q3RGBGEN_LIGHTINGDIFFUSE,
322 Q3RGBGEN_ONEMINUSENTITY,
323 Q3RGBGEN_ONEMINUSVERTEX,
330 typedef enum q3alphagen_e
335 Q3ALPHAGEN_LIGHTINGSPECULAR,
336 Q3ALPHAGEN_ONEMINUSENTITY,
337 Q3ALPHAGEN_ONEMINUSVERTEX,
345 typedef enum q3tcgen_e
348 Q3TCGEN_TEXTURE, // very common
349 Q3TCGEN_ENVIRONMENT, // common
356 typedef enum q3tcmod_e
359 Q3TCMOD_ENTITYTRANSLATE,
371 typedef struct q3shaderinfo_layer_rgbgen_s
374 float parms[Q3RGBGEN_MAXPARMS];
375 q3wavefunc_t wavefunc;
376 float waveparms[Q3WAVEPARMS];
378 q3shaderinfo_layer_rgbgen_t;
380 typedef struct q3shaderinfo_layer_alphagen_s
382 q3alphagen_t alphagen;
383 float parms[Q3ALPHAGEN_MAXPARMS];
384 q3wavefunc_t wavefunc;
385 float waveparms[Q3WAVEPARMS];
387 q3shaderinfo_layer_alphagen_t;
389 typedef struct q3shaderinfo_layer_tcgen_s
392 float parms[Q3TCGEN_MAXPARMS];
394 q3shaderinfo_layer_tcgen_t;
396 typedef struct q3shaderinfo_layer_tcmod_s
399 float parms[Q3TCMOD_MAXPARMS];
400 q3wavefunc_t wavefunc;
401 float waveparms[Q3WAVEPARMS];
403 q3shaderinfo_layer_tcmod_t;
405 typedef struct q3shaderinfo_layer_s
414 q3shaderinfo_layer_rgbgen_t rgbgen;
415 q3shaderinfo_layer_alphagen_t alphagen;
416 q3shaderinfo_layer_tcgen_t tcgen;
417 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
419 q3shaderinfo_layer_t;
421 typedef struct q3shaderinfo_deform_s
424 float parms[Q3DEFORM_MAXPARMS];
425 q3wavefunc_t wavefunc;
426 float waveparms[Q3WAVEPARMS];
428 q3shaderinfo_deform_t;
430 typedef enum dpoffsetmapping_technique_s
432 OFFSETMAPPING_OFF, // none
433 OFFSETMAPPING_DEFAULT, // cvar-set
434 OFFSETMAPPING_LINEAR, // linear
435 OFFSETMAPPING_RELIEF // relief
436 }dpoffsetmapping_technique_t;
439 typedef struct q3shaderinfo_s
441 char name[Q3PATHLENGTH];
442 #define Q3SHADERINFO_COMPARE_START surfaceparms
447 qboolean vertexalpha;
448 qboolean textureblendalpha;
449 int primarylayer, backgroundlayer;
450 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
451 char skyboxname[Q3PATHLENGTH];
452 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
454 // dp-specific additions:
460 // add collisions to all triangles of the surface
461 qboolean dpmeshcollisions;
464 char dpreflectcube[Q3PATHLENGTH];
467 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
468 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
469 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
470 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
471 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
472 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
473 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
474 float r_water_waterscroll[2]; // water normalmapscrollblend - scale and speed
477 dpoffsetmapping_technique_t offsetmapping;
480 // polygonoffset (only used if Q3TEXTUREFLAG_POLYGONOFFSET)
481 float biaspolygonoffset, biaspolygonfactor;
484 float specularscalemod;
485 float specularpowermod;
486 #define Q3SHADERINFO_COMPARE_END specularpowermod
490 typedef enum texturelayertype_e
492 TEXTURELAYERTYPE_INVALID,
493 TEXTURELAYERTYPE_LITTEXTURE,
494 TEXTURELAYERTYPE_TEXTURE,
499 typedef struct texturelayer_s
501 texturelayertype_t type;
506 matrix4x4_t texmatrix;
511 typedef struct texture_s
517 unsigned int width, height;
519 //unsigned int flags;
521 // base material flags
522 int basematerialflags;
523 // current material flags (updated each bmodel render)
524 int currentmaterialflags;
526 // PolygonOffset values for rendering this material
527 // (these are added to the r_refdef values and submodel values)
528 float biaspolygonfactor;
529 float biaspolygonoffset;
531 // textures to use when rendering this material
532 skinframe_t *currentskinframe;
535 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
536 // background layer (for terrain texture blending)
537 skinframe_t *backgroundcurrentskinframe;
538 int backgroundnumskinframes;
539 float backgroundskinframerate;
540 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
542 // total frames in sequence and alternate sequence
544 // direct pointers to each of the frames in the sequences
545 // (indexed as [alternate][frame])
546 struct texture_s *anim_frames[2][10];
547 // set if animated or there is an alternate frame set
548 // (this is an optimization in the renderer)
551 // renderer checks if this texture needs updating...
552 int update_lastrenderframe;
553 void *update_lastrenderentity;
554 // the current alpha of this texture (may be affected by r_wateralpha)
556 // the current texture frame in animation
557 struct texture_s *currentframe;
558 // current texture transform matrix (used for water scrolling)
559 matrix4x4_t currenttexmatrix;
560 matrix4x4_t currentbackgroundtexmatrix;
562 // various q3 shader features
563 q3shaderinfo_layer_rgbgen_t rgbgen;
564 q3shaderinfo_layer_alphagen_t alphagen;
565 q3shaderinfo_layer_tcgen_t tcgen;
566 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
567 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
568 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
570 qboolean colormapping;
571 rtexture_t *basetexture; // original texture without pants/shirt/glow
572 rtexture_t *pantstexture; // pants only (in greyscale)
573 rtexture_t *shirttexture; // shirt only (in greyscale)
574 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
575 rtexture_t *glosstexture; // glossmap (for dot3)
576 rtexture_t *glowtexture; // glow only (fullbrights)
577 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
578 rtexture_t *reflectmasktexture; // mask for fake reflections
579 rtexture_t *reflectcubetexture; // fake reflections cubemap
580 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
581 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
582 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
583 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
586 // color tint (colormod * currentalpha) used for rtlighting this material
587 float dlightcolor[3];
588 // color tint (colormod * 2) used for lightmapped lighting on this material
589 // includes alpha as 4th component
590 // replaces role of gl_Color in GLSL shader
591 float lightmapcolor[4];
594 int customblendfunc[2];
596 int currentnumlayers;
597 texturelayer_t currentlayers[16];
607 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
608 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
609 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
610 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
611 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
612 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
613 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
614 float r_water_waterscroll[2]; // scale and speed
615 int camera_entity; // entity number for use by cameras
618 dpoffsetmapping_technique_t offsetmapping;
622 float specularscalemod;
623 float specularpowermod;
627 typedef struct mtexinfo_s
635 typedef struct msurface_lightmapinfo_s
637 // texture mapping properties used by this surface
638 mtexinfo_t *texinfo; // q1bsp
639 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
640 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
641 // RGB lighting data [numstyles][height][width][3]
642 unsigned char *samples; // q1bsp
643 // RGB normalmap data [numstyles][height][width][3]
644 unsigned char *nmapsamples; // q1bsp
645 // stain to apply on lightmap (soot/dirt/blood/whatever)
646 unsigned char *stainsamples; // q1bsp
647 int texturemins[2]; // q1bsp
648 int extents[2]; // q1bsp
649 int lightmaporigin[2]; // q1bsp
651 msurface_lightmapinfo_t;
654 typedef struct msurface_s
656 // bounding box for onscreen checks
659 // the texture to use on the surface
661 // the lightmap texture fragment to use on the rendering mesh
662 rtexture_t *lightmaptexture;
663 // the lighting direction texture fragment to use on the rendering mesh
664 rtexture_t *deluxemaptexture;
665 // lightmaptexture rebuild information not used in q3bsp
666 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
667 // fog volume info in q3bsp
668 struct q3deffect_s *effect; // q3bsp
669 // mesh information for collisions (only used by q3bsp curves)
670 int num_firstcollisiontriangle;
671 int *deprecatedq3data_collisionelement3i; // q3bsp
672 float *deprecatedq3data_collisionvertex3f; // q3bsp
673 float *deprecatedq3data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
674 float *deprecatedq3data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
676 // surfaces own ranges of vertices and triangles in the model->surfmesh
677 int num_triangles; // number of triangles
678 int num_firsttriangle; // first triangle
679 int num_vertices; // number of vertices
680 int num_firstvertex; // first vertex
682 // shadow volume building information
683 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
685 // mesh information for collisions (only used by q3bsp curves)
686 int num_collisiontriangles; // q3bsp
687 int num_collisionvertices; // q3bsp
688 int deprecatedq3num_collisionbboxstride;
689 int deprecatedq3num_bboxstride;
690 // FIXME: collisionmarkframe should be kept in a separate array
691 int deprecatedq3collisionmarkframe; // q3bsp // don't collide twice in one trace
695 #include "matrixlib.h"
698 #include "model_brush.h"
699 #include "model_sprite.h"
700 #include "model_alias.h"
702 typedef struct model_sprite_s
705 mspriteframe_t *sprdata_frames;
711 typedef struct model_brush_lightstyleinfo_s
718 model_brush_lightstyleinfo_t;
720 typedef struct model_brush_s
722 // true if this model is a HalfLife .bsp file
724 // string of entity definitions (.map format)
727 // if not NULL this is a submodel
728 struct model_s *parentmodel;
729 // (this is the number of the submodel, an index into submodels)
732 // number of submodels in this map (just used by server to know how many
733 // submodels to load)
735 // pointers to each of the submodels
736 struct model_s **submodels;
739 mplane_t *data_planes;
744 // visible leafs, not counting 0 (solid)
746 // number of actual leafs (including 0 which is solid)
751 int *data_leafbrushes;
753 int num_leafsurfaces;
754 int *data_leafsurfaces;
757 mportal_t *data_portals;
759 int num_portalpoints;
760 mvertex_t *data_portalpoints;
763 q3mbrush_t *data_brushes;
766 q3mbrushside_t *data_brushsides;
770 int num_pvsclusterbytes;
771 unsigned char *data_pvsclusters;
773 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
774 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
776 // collision geometry for q3 curves
777 int num_collisionvertices;
778 int num_collisiontriangles;
779 float *data_collisionvertex3f;
780 int *data_collisionelement3i;
782 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
783 shadowmesh_t *shadowmesh;
785 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
786 shadowmesh_t *collisionmesh;
789 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
790 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
791 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
792 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
793 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
794 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
795 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
796 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
797 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
798 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
799 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
800 // these are actually only found on brushq1, but NULL is handled gracefully
801 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
802 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
803 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
804 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
806 char skybox[MAX_QPATH];
808 skinframe_t *solidskyskinframe;
809 skinframe_t *alphaskyskinframe;
811 qboolean supportwateralpha;
819 typedef struct model_brushq1_s
836 mclipnode_t *clipnodes;
838 hull_t hulls[MAX_MAP_HULLS];
840 int num_compressedpvs;
841 unsigned char *data_compressedpvs;
844 unsigned char *lightdata;
845 unsigned char *nmaplightdata; // deluxemap file
847 // lightmap update chains for light styles
849 model_brush_lightstyleinfo_t *data_lightstyleinfo;
851 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
852 unsigned char *lightmapupdateflags;
853 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
857 /* MSVC can't compile empty structs, so this is commented out for now
858 typedef struct model_brushq2_s
864 typedef struct model_brushq3_s
867 q3dmodel_t *data_models;
869 // used only during loading - freed after loading!
871 float *data_vertex3f;
872 float *data_normal3f;
873 float *data_texcoordtexture2f;
874 float *data_texcoordlightmap2f;
877 // freed after loading!
882 q3deffect_t *data_effects;
885 int num_originallightmaps;
886 int num_mergedlightmaps;
887 int num_lightmapmergedwidthpower;
888 int num_lightmapmergedheightpower;
889 int num_lightmapmergedwidthheightdeluxepower;
890 int num_lightmapmerge;
891 rtexture_t **data_lightmaps;
892 rtexture_t **data_deluxemaps;
894 // voxel light data with directional shading
896 q3dlightgrid_t *data_lightgrid;
897 // size of each cell (may vary by map, typically 64 64 128)
898 float num_lightgrid_cellsize[3];
899 // 1.0 / num_lightgrid_cellsize
900 float num_lightgrid_scale[3];
901 // dimensions of the world model in lightgrid cells
902 int num_lightgrid_imins[3];
903 int num_lightgrid_imaxs[3];
904 int num_lightgrid_isize[3];
905 // transform modelspace coordinates to lightgrid index
906 matrix4x4_t num_lightgrid_indexfromworld;
908 // true if this q3bsp file has been detected as using deluxemapping
909 // (lightmap texture pairs, every odd one is never directly refernced,
910 // and contains lighting normals, not colors)
911 qboolean deluxemapping;
912 // true if the detected deluxemaps are the modelspace kind, rather than
913 // the faster tangentspace kind
914 qboolean deluxemapping_modelspace;
915 // size of lightmaps (128 by default, but may be another poweroftwo if
916 // external lightmaps are used (q3map2 -lightmapsize)
924 typedef struct model_s
926 // name and path of model, for example "progs/player.mdl"
927 char name[MAX_QPATH];
928 // model needs to be loaded if this is false
930 // set if the model is used in current map, models which are not, are purged
932 // CRC of the file this model was loaded from, to reload if changed
934 // mod_brush, mod_alias, mod_sprite
936 // memory pool for allocations
938 // all models use textures...
939 rtexturepool_t *texturepool;
940 // EF_* flags (translated from the model file's different flags layout)
942 // number of QC accessible frame(group)s in the model
944 // number of QC accessible skin(group)s in the model
946 // whether to randomize animated framegroups
948 // bounding box at angles '0 0 0'
949 vec3_t normalmins, normalmaxs;
950 // bounding box if yaw angle is not 0, but pitch and roll are
951 vec3_t yawmins, yawmaxs;
952 // bounding box if pitch or roll are used
953 vec3_t rotatedmins, rotatedmaxs;
954 // sphere radius, usable at any angles
956 // squared sphere radius for easier comparisons
958 // skin animation info
959 animscene_t *skinscenes; // [numskins]
960 // skin animation info
961 animscene_t *animscenes; // [numframes]
962 // range of surface numbers in this (sub)model
963 int firstmodelsurface;
964 int nummodelsurfaces;
965 int *sortedmodelsurfaces;
966 // range of collision brush numbers in this (sub)model
969 // BIH (Bounding Interval Hierarchy) for this (sub)model
971 bih_t render_bih; // if not set, use collision_bih instead for rendering purposes too
975 aliastag_t *data_tags;
976 // for skeletal models
978 aliasbone_t *data_bones;
979 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
980 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
982 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
983 float *data_baseboneposeinverse;
984 // textures of this model
986 int num_texturesperskin;
987 texture_t *data_textures;
988 qboolean wantnormals;
989 qboolean wanttangents;
990 // surfaces of this model
992 msurface_t *data_surfaces;
993 // optional lightmapinfo data for surface lightmap updates
994 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
995 // all surfaces belong to this mesh
997 // data type of model
998 const char *modeldatatypestring;
999 // generates vertex data for a given frameblend
1000 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);
1001 // draw the model's sky polygons (only used by brush models)
1002 void(*DrawSky)(struct entity_render_s *ent);
1003 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
1004 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
1005 // draw the model using lightmap/dlight shading
1006 void(*Draw)(struct entity_render_s *ent);
1007 // draw the model to the depth buffer (no color rendering at all)
1008 void(*DrawDepth)(struct entity_render_s *ent);
1009 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
1010 void(*DrawDebug)(struct entity_render_s *ent);
1011 // draw geometry textures for deferred rendering
1012 void(*DrawPrepass)(struct entity_render_s *ent);
1013 // compile an optimized shadowmap mesh for the model based on light source
1014 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1015 // draw depth into a shadowmap
1016 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);
1017 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
1018 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);
1019 // compile a shadow volume for the model based on light source
1020 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1021 // draw a shadow volume for the model based on light source
1022 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);
1023 // draw the lighting on a model (through stencil)
1024 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1025 // trace a box against this model
1026 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);
1027 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);
1028 // trace a box against this model
1029 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);
1030 // trace a point against this model (like PointSuperContents)
1031 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);
1032 // find the supercontents value at a point in this model
1033 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
1034 // fields belonging to some types of model
1035 model_sprite_t sprite;
1036 model_brush_t brush;
1037 model_brushq1_t brushq1;
1038 /* MSVC can't handle an empty struct, so this is commented out for now
1039 model_brushq2_t brushq2;
1041 model_brushq3_t brushq3;
1042 // flags this model for offseting sounds to the model center (used by brush models)
1043 int soundfromcenter;
1045 // if set, the model contains light information (lightmap, or vertexlight)
1050 //============================================================================
1053 extern dp_model_t *loadmodel;
1054 extern unsigned char *mod_base;
1055 // sky/water subdivision
1056 //extern cvar_t gl_subdivide_size;
1057 // texture fullbrights
1058 extern cvar_t r_fullbrights;
1060 void Mod_Init (void);
1061 void Mod_Reload (void);
1062 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
1063 dp_model_t *Mod_FindName (const char *name, const char *parentname);
1064 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
1065 void Mod_UnloadModel (dp_model_t *mod);
1067 void Mod_ClearUsed(void);
1068 void Mod_PurgeUnused(void);
1069 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
1071 extern dp_model_t *loadmodel;
1072 extern char loadname[32]; // for hunk tags
1074 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
1075 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
1076 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
1077 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
1078 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);
1080 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
1081 void Mod_MakeSortedSurfaces(dp_model_t *mod);
1083 // called specially by brush model loaders before generating submodels
1084 // automatically called after model loader returns
1085 void Mod_BuildVBOs(void);
1087 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);
1088 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
1089 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
1090 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
1091 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);
1092 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);
1093 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
1094 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
1095 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
1097 void Mod_CreateCollisionMesh(dp_model_t *mod);
1099 void Mod_FreeQ3Shaders(void);
1100 void Mod_LoadQ3Shaders(void);
1101 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
1102 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
1104 extern cvar_t r_mipskins;
1105 extern cvar_t r_mipnormalmaps;
1107 typedef struct skeleton_s
1109 const dp_model_t *model;
1110 matrix4x4_t *relativetransforms;
1114 typedef struct skinfileitem_s
1116 struct skinfileitem_s *next;
1117 char name[MAX_QPATH];
1118 char replacement[MAX_QPATH];
1122 typedef struct skinfile_s
1124 struct skinfile_s *next;
1125 skinfileitem_t *items;
1129 skinfile_t *Mod_LoadSkinFiles(void);
1130 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1131 int Mod_CountSkinFiles(skinfile_t *skinfile);
1132 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1134 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1135 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1136 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1138 typedef struct mod_alloclightmap_row_s
1143 mod_alloclightmap_row_t;
1145 typedef struct mod_alloclightmap_state_s
1150 mod_alloclightmap_row_t *rows;
1152 mod_alloclightmap_state_t;
1154 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1155 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1156 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1157 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1160 void Mod_BrushInit(void);
1161 // used for talking to the QuakeC mainly
1162 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1163 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1165 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1166 struct entity_render_s;
1167 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1168 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1169 void R_Q1BSP_Draw(struct entity_render_s *ent);
1170 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1171 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1172 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1173 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);
1174 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1175 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);
1176 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1177 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);
1178 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1180 // Collision optimization using Bounding Interval Hierarchy
1181 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);
1182 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);
1183 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);
1184 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);
1185 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);
1186 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
1187 bih_t *Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces, bih_t *out);
1190 struct frameblend_s;
1192 void Mod_AliasInit(void);
1193 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1194 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1195 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);
1197 void Mod_Skeletal_FreeBuffers(void);
1200 void Mod_SpriteInit(void);
1203 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1204 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1205 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1206 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1207 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1208 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1209 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1210 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1211 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1212 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1213 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1214 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1215 void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1217 #endif // MODEL_SHARED_H