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_vertexgeneric_s
108 unsigned char color4ub[4];
113 typedef struct r_vertexmesh_s
117 unsigned char color4ub[4];
118 float texcoordtexture2f[2];
119 float texcoordlightmap2f[2];
126 typedef struct r_meshbuffer_s
128 int bufferobject; // OpenGL
129 void *devicebuffer; // Direct3D
131 qboolean isindexbuffer;
134 char name[MAX_QPATH];
138 // used for mesh lists in q1bsp/q3bsp map models
139 // (the surfaces reference portions of these meshes)
140 typedef struct surfmesh_s
142 // triangle data in system memory
143 int num_triangles; // number of triangles in the mesh
144 int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
145 r_meshbuffer_t *data_element3i_indexbuffer;
146 size_t data_element3i_bufferoffset;
147 unsigned short *data_element3s; // unsigned short[tris*3] triangles of the mesh in unsigned short format (NULL if num_vertices > 65536)
148 r_meshbuffer_t *data_element3s_indexbuffer;
149 size_t data_element3s_bufferoffset;
150 int *data_neighbor3i; // int[tris*3] neighboring triangle on each edge (-1 if none)
151 // vertex data in system memory
152 int num_vertices; // number of vertices in the mesh
153 float *data_vertex3f; // float[verts*3] vertex locations
154 float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
155 float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
156 float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
157 float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
158 float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
159 float *data_lightmapcolor4f;
160 int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
161 // vertex buffer object (stores geometry in video memory)
162 r_meshbuffer_t *vbo_vertexbuffer;
163 size_t vbooffset_vertex3f;
164 size_t vbooffset_svector3f;
165 size_t vbooffset_tvector3f;
166 size_t vbooffset_normal3f;
167 size_t vbooffset_texcoordtexture2f;
168 size_t vbooffset_texcoordlightmap2f;
169 size_t vbooffset_lightmapcolor4f;
170 // morph blending, these are zero if model is skeletal or static
172 struct md3vertex_s *data_morphmd3vertex;
173 struct trivertx_s *data_morphmdlvertex;
174 struct texvecvertex_s *data_morphtexvecvertex;
175 float *data_morphmd2framesize6f;
176 float num_morphmdlframescale[3];
177 float num_morphmdlframetranslate[3];
178 // skeletal blending, these are NULL if model is morph or static
179 struct blendweights_s *data_blendweights;
181 unsigned short *blends;
182 // set if there is some kind of animation on this model
185 // vertex and index buffers for rendering
186 r_vertexmesh_t *vertexmesh;
187 r_meshbuffer_t *vertex3fbuffer;
188 r_meshbuffer_t *vertexmeshbuffer;
192 #define SHADOWMESHVERTEXHASH 1024
193 typedef struct shadowmeshvertexhash_s
195 struct shadowmeshvertexhash_s *next;
197 shadowmeshvertexhash_t;
199 typedef struct shadowmesh_s
201 // next mesh in chain
202 struct shadowmesh_s *next;
203 // used for light mesh (NULL on shadow mesh)
204 rtexture_t *map_diffuse;
205 rtexture_t *map_specular;
206 rtexture_t *map_normal;
208 int numverts, maxverts;
209 int numtriangles, maxtriangles;
212 // used for light mesh (NULL on shadow mesh)
219 r_meshbuffer_t *element3i_indexbuffer;
220 size_t element3i_bufferoffset;
221 unsigned short *element3s;
222 r_meshbuffer_t *element3s_indexbuffer;
223 size_t element3s_bufferoffset;
224 // used for shadow mapping cubemap side partitioning
225 int sideoffsets[6], sidetotals[6];
226 // used for shadow mesh (NULL on light mesh)
228 // these are NULL after Mod_ShadowMesh_Finish is performed, only used
229 // while building meshes
230 shadowmeshvertexhash_t **vertexhashtable, *vertexhashentries;
231 r_meshbuffer_t *vbo_vertexbuffer;
232 size_t vbooffset_vertex3f;
233 size_t vbooffset_svector3f;
234 size_t vbooffset_tvector3f;
235 size_t vbooffset_normal3f;
236 size_t vbooffset_texcoord2f;
237 // vertex/index buffers for rendering
238 // (created by Mod_ShadowMesh_Finish if possible)
239 r_vertexmesh_t *vertexmesh; // usually NULL
240 r_meshbuffer_t *vertex3fbuffer;
241 r_meshbuffer_t *vertexmeshbuffer; // usually NULL
245 // various flags from shaders, used for special effects not otherwise classified
246 // TODO: support these features more directly
247 #define Q3TEXTUREFLAG_TWOSIDED 1
248 #define Q3TEXTUREFLAG_NOPICMIP 16
249 #define Q3TEXTUREFLAG_POLYGONOFFSET 32
250 #define Q3TEXTUREFLAG_REFRACTION 256
251 #define Q3TEXTUREFLAG_REFLECTION 512
252 #define Q3TEXTUREFLAG_WATERSHADER 1024
253 #define Q3TEXTUREFLAG_CAMERA 2048
255 #define Q3PATHLENGTH 64
256 #define TEXTURE_MAXFRAMES 64
257 #define Q3WAVEPARMS 4
258 #define Q3DEFORM_MAXPARMS 3
259 #define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
260 #define Q3RGBGEN_MAXPARMS 3
261 #define Q3ALPHAGEN_MAXPARMS 1
262 #define Q3TCGEN_MAXPARMS 6
263 #define Q3TCMOD_MAXPARMS 6
264 #define Q3MAXTCMODS 8
265 #define Q3MAXDEFORMS 4
267 typedef enum q3wavefunc_e
270 Q3WAVEFUNC_INVERSESAWTOOTH,
279 typedef int q3wavefunc_t;
280 #define Q3WAVEFUNC_USER_COUNT 4
281 #define Q3WAVEFUNC_USER_SHIFT 8 // use 8 bits for wave func type
283 typedef enum q3deform_e
286 Q3DEFORM_PROJECTIONSHADOW,
288 Q3DEFORM_AUTOSPRITE2,
305 typedef enum q3rgbgen_e
310 Q3RGBGEN_EXACTVERTEX,
311 Q3RGBGEN_IDENTITYLIGHTING,
312 Q3RGBGEN_LIGHTINGDIFFUSE,
313 Q3RGBGEN_ONEMINUSENTITY,
314 Q3RGBGEN_ONEMINUSVERTEX,
321 typedef enum q3alphagen_e
326 Q3ALPHAGEN_LIGHTINGSPECULAR,
327 Q3ALPHAGEN_ONEMINUSENTITY,
328 Q3ALPHAGEN_ONEMINUSVERTEX,
336 typedef enum q3tcgen_e
339 Q3TCGEN_TEXTURE, // very common
340 Q3TCGEN_ENVIRONMENT, // common
347 typedef enum q3tcmod_e
350 Q3TCMOD_ENTITYTRANSLATE,
362 typedef struct q3shaderinfo_layer_rgbgen_s
365 float parms[Q3RGBGEN_MAXPARMS];
366 q3wavefunc_t wavefunc;
367 float waveparms[Q3WAVEPARMS];
369 q3shaderinfo_layer_rgbgen_t;
371 typedef struct q3shaderinfo_layer_alphagen_s
373 q3alphagen_t alphagen;
374 float parms[Q3ALPHAGEN_MAXPARMS];
375 q3wavefunc_t wavefunc;
376 float waveparms[Q3WAVEPARMS];
378 q3shaderinfo_layer_alphagen_t;
380 typedef struct q3shaderinfo_layer_tcgen_s
383 float parms[Q3TCGEN_MAXPARMS];
385 q3shaderinfo_layer_tcgen_t;
387 typedef struct q3shaderinfo_layer_tcmod_s
390 float parms[Q3TCMOD_MAXPARMS];
391 q3wavefunc_t wavefunc;
392 float waveparms[Q3WAVEPARMS];
394 q3shaderinfo_layer_tcmod_t;
396 typedef struct q3shaderinfo_layer_s
405 q3shaderinfo_layer_rgbgen_t rgbgen;
406 q3shaderinfo_layer_alphagen_t alphagen;
407 q3shaderinfo_layer_tcgen_t tcgen;
408 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
410 q3shaderinfo_layer_t;
412 typedef struct q3shaderinfo_deform_s
415 float parms[Q3DEFORM_MAXPARMS];
416 q3wavefunc_t wavefunc;
417 float waveparms[Q3WAVEPARMS];
419 q3shaderinfo_deform_t;
421 typedef enum dpoffsetmapping_technique_s
423 OFFSETMAPPING_OFF, // none
424 OFFSETMAPPING_DEFAULT, // cvar-set
425 OFFSETMAPPING_LINEAR, // linear
426 OFFSETMAPPING_RELIEF // relief
427 }dpoffsetmapping_technique_t;
430 typedef struct q3shaderinfo_s
432 char name[Q3PATHLENGTH];
433 #define Q3SHADERINFO_COMPARE_START surfaceparms
438 qboolean vertexalpha;
439 qboolean textureblendalpha;
440 int primarylayer, backgroundlayer;
441 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
442 char skyboxname[Q3PATHLENGTH];
443 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
445 // dp-specific additions:
451 // add collisions to all triangles of the surface
452 qboolean dpmeshcollisions;
455 char dpreflectcube[Q3PATHLENGTH];
458 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
459 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
460 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
461 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
462 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
463 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
464 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
465 float r_water_waterscroll[2]; // water normalmapscrollblend - scale and speed
468 dpoffsetmapping_technique_t offsetmapping;
471 // polygonoffset (only used if Q3TEXTUREFLAG_POLYGONOFFSET)
472 float biaspolygonoffset, biaspolygonfactor;
475 float specularscalemod;
476 float specularpowermod;
477 #define Q3SHADERINFO_COMPARE_END specularpowermod
481 typedef enum texturelayertype_e
483 TEXTURELAYERTYPE_INVALID,
484 TEXTURELAYERTYPE_LITTEXTURE,
485 TEXTURELAYERTYPE_TEXTURE,
490 typedef struct texturelayer_s
492 texturelayertype_t type;
497 matrix4x4_t texmatrix;
502 typedef struct texture_s
508 unsigned int width, height;
510 //unsigned int flags;
512 // base material flags
513 int basematerialflags;
514 // current material flags (updated each bmodel render)
515 int currentmaterialflags;
517 // PolygonOffset values for rendering this material
518 // (these are added to the r_refdef values and submodel values)
519 float biaspolygonfactor;
520 float biaspolygonoffset;
522 // textures to use when rendering this material
523 skinframe_t *currentskinframe;
526 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
527 // background layer (for terrain texture blending)
528 skinframe_t *backgroundcurrentskinframe;
529 int backgroundnumskinframes;
530 float backgroundskinframerate;
531 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
533 // total frames in sequence and alternate sequence
535 // direct pointers to each of the frames in the sequences
536 // (indexed as [alternate][frame])
537 struct texture_s *anim_frames[2][10];
538 // set if animated or there is an alternate frame set
539 // (this is an optimization in the renderer)
542 // renderer checks if this texture needs updating...
543 int update_lastrenderframe;
544 void *update_lastrenderentity;
545 // the current alpha of this texture (may be affected by r_wateralpha)
547 // the current texture frame in animation
548 struct texture_s *currentframe;
549 // current texture transform matrix (used for water scrolling)
550 matrix4x4_t currenttexmatrix;
551 matrix4x4_t currentbackgroundtexmatrix;
553 // various q3 shader features
554 q3shaderinfo_layer_rgbgen_t rgbgen;
555 q3shaderinfo_layer_alphagen_t alphagen;
556 q3shaderinfo_layer_tcgen_t tcgen;
557 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
558 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
559 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
561 qboolean colormapping;
562 rtexture_t *basetexture; // original texture without pants/shirt/glow
563 rtexture_t *pantstexture; // pants only (in greyscale)
564 rtexture_t *shirttexture; // shirt only (in greyscale)
565 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
566 rtexture_t *glosstexture; // glossmap (for dot3)
567 rtexture_t *glowtexture; // glow only (fullbrights)
568 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
569 rtexture_t *reflectmasktexture; // mask for fake reflections
570 rtexture_t *reflectcubetexture; // fake reflections cubemap
571 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
572 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
573 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
574 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
577 // color tint (colormod * currentalpha) used for rtlighting this material
578 float dlightcolor[3];
579 // color tint (colormod * 2) used for lightmapped lighting on this material
580 // includes alpha as 4th component
581 // replaces role of gl_Color in GLSL shader
582 float lightmapcolor[4];
585 int customblendfunc[2];
587 int currentnumlayers;
588 texturelayer_t currentlayers[16];
598 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
599 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
600 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
601 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
602 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
603 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
604 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
605 float r_water_waterscroll[2]; // scale and speed
606 int camera_entity; // entity number for use by cameras
609 dpoffsetmapping_technique_t offsetmapping;
613 float specularscalemod;
614 float specularpowermod;
618 typedef struct mtexinfo_s
626 typedef struct msurface_lightmapinfo_s
628 // texture mapping properties used by this surface
629 mtexinfo_t *texinfo; // q1bsp
630 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
631 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
632 // RGB lighting data [numstyles][height][width][3]
633 unsigned char *samples; // q1bsp
634 // RGB normalmap data [numstyles][height][width][3]
635 unsigned char *nmapsamples; // q1bsp
636 // stain to apply on lightmap (soot/dirt/blood/whatever)
637 unsigned char *stainsamples; // q1bsp
638 int texturemins[2]; // q1bsp
639 int extents[2]; // q1bsp
640 int lightmaporigin[2]; // q1bsp
642 msurface_lightmapinfo_t;
645 typedef struct msurface_s
647 // bounding box for onscreen checks
650 // the texture to use on the surface
652 // the lightmap texture fragment to use on the rendering mesh
653 rtexture_t *lightmaptexture;
654 // the lighting direction texture fragment to use on the rendering mesh
655 rtexture_t *deluxemaptexture;
656 // lightmaptexture rebuild information not used in q3bsp
657 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
658 // fog volume info in q3bsp
659 struct q3deffect_s *effect; // q3bsp
660 // mesh information for collisions (only used by q3bsp curves)
661 int num_firstcollisiontriangle;
662 int *deprecatedq3data_collisionelement3i; // q3bsp
663 float *deprecatedq3data_collisionvertex3f; // q3bsp
664 float *deprecatedq3data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
665 float *deprecatedq3data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
667 // surfaces own ranges of vertices and triangles in the model->surfmesh
668 int num_triangles; // number of triangles
669 int num_firsttriangle; // first triangle
670 int num_vertices; // number of vertices
671 int num_firstvertex; // first vertex
673 // shadow volume building information
674 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
676 // mesh information for collisions (only used by q3bsp curves)
677 int num_collisiontriangles; // q3bsp
678 int num_collisionvertices; // q3bsp
679 int deprecatedq3num_collisionbboxstride;
680 int deprecatedq3num_bboxstride;
681 // FIXME: collisionmarkframe should be kept in a separate array
682 int deprecatedq3collisionmarkframe; // q3bsp // don't collide twice in one trace
686 #include "matrixlib.h"
689 #include "model_brush.h"
690 #include "model_sprite.h"
691 #include "model_alias.h"
693 typedef struct model_sprite_s
696 mspriteframe_t *sprdata_frames;
702 typedef struct model_brush_lightstyleinfo_s
709 model_brush_lightstyleinfo_t;
711 typedef struct model_brush_s
713 // true if this model is a HalfLife .bsp file
715 // string of entity definitions (.map format)
718 // if not NULL this is a submodel
719 struct model_s *parentmodel;
720 // (this is the number of the submodel, an index into submodels)
723 // number of submodels in this map (just used by server to know how many
724 // submodels to load)
726 // pointers to each of the submodels
727 struct model_s **submodels;
730 mplane_t *data_planes;
735 // visible leafs, not counting 0 (solid)
737 // number of actual leafs (including 0 which is solid)
742 int *data_leafbrushes;
744 int num_leafsurfaces;
745 int *data_leafsurfaces;
748 mportal_t *data_portals;
750 int num_portalpoints;
751 mvertex_t *data_portalpoints;
754 q3mbrush_t *data_brushes;
757 q3mbrushside_t *data_brushsides;
761 int num_pvsclusterbytes;
762 unsigned char *data_pvsclusters;
764 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
765 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
767 // collision geometry for q3 curves
768 int num_collisionvertices;
769 int num_collisiontriangles;
770 float *data_collisionvertex3f;
771 int *data_collisionelement3i;
773 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
774 shadowmesh_t *shadowmesh;
776 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
777 shadowmesh_t *collisionmesh;
780 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
781 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
782 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
783 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
784 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
785 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
786 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
787 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
788 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
789 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
790 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
791 // these are actually only found on brushq1, but NULL is handled gracefully
792 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
793 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
794 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
795 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
797 char skybox[MAX_QPATH];
799 skinframe_t *solidskyskinframe;
800 skinframe_t *alphaskyskinframe;
802 qboolean supportwateralpha;
810 typedef struct model_brushq1_s
827 mclipnode_t *clipnodes;
829 hull_t hulls[MAX_MAP_HULLS];
831 int num_compressedpvs;
832 unsigned char *data_compressedpvs;
835 unsigned char *lightdata;
836 unsigned char *nmaplightdata; // deluxemap file
838 // lightmap update chains for light styles
840 model_brush_lightstyleinfo_t *data_lightstyleinfo;
842 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
843 unsigned char *lightmapupdateflags;
844 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
848 /* MSVC can't compile empty structs, so this is commented out for now
849 typedef struct model_brushq2_s
855 typedef struct model_brushq3_s
858 q3dmodel_t *data_models;
860 // used only during loading - freed after loading!
862 float *data_vertex3f;
863 float *data_normal3f;
864 float *data_texcoordtexture2f;
865 float *data_texcoordlightmap2f;
868 // freed after loading!
873 q3deffect_t *data_effects;
876 int num_originallightmaps;
877 int num_mergedlightmaps;
878 int num_lightmapmergedwidthpower;
879 int num_lightmapmergedheightpower;
880 int num_lightmapmergedwidthheightdeluxepower;
881 int num_lightmapmerge;
882 rtexture_t **data_lightmaps;
883 rtexture_t **data_deluxemaps;
885 // voxel light data with directional shading
887 q3dlightgrid_t *data_lightgrid;
888 // size of each cell (may vary by map, typically 64 64 128)
889 float num_lightgrid_cellsize[3];
890 // 1.0 / num_lightgrid_cellsize
891 float num_lightgrid_scale[3];
892 // dimensions of the world model in lightgrid cells
893 int num_lightgrid_imins[3];
894 int num_lightgrid_imaxs[3];
895 int num_lightgrid_isize[3];
896 // transform modelspace coordinates to lightgrid index
897 matrix4x4_t num_lightgrid_indexfromworld;
899 // true if this q3bsp file has been detected as using deluxemapping
900 // (lightmap texture pairs, every odd one is never directly refernced,
901 // and contains lighting normals, not colors)
902 qboolean deluxemapping;
903 // true if the detected deluxemaps are the modelspace kind, rather than
904 // the faster tangentspace kind
905 qboolean deluxemapping_modelspace;
906 // size of lightmaps (128 by default, but may be another poweroftwo if
907 // external lightmaps are used (q3map2 -lightmapsize)
915 typedef struct model_s
917 // name and path of model, for example "progs/player.mdl"
918 char name[MAX_QPATH];
919 // model needs to be loaded if this is false
921 // set if the model is used in current map, models which are not, are purged
923 // CRC of the file this model was loaded from, to reload if changed
925 // mod_brush, mod_alias, mod_sprite
927 // memory pool for allocations
929 // all models use textures...
930 rtexturepool_t *texturepool;
931 // EF_* flags (translated from the model file's different flags layout)
933 // number of QC accessible frame(group)s in the model
935 // number of QC accessible skin(group)s in the model
937 // whether to randomize animated framegroups
939 // bounding box at angles '0 0 0'
940 vec3_t normalmins, normalmaxs;
941 // bounding box if yaw angle is not 0, but pitch and roll are
942 vec3_t yawmins, yawmaxs;
943 // bounding box if pitch or roll are used
944 vec3_t rotatedmins, rotatedmaxs;
945 // sphere radius, usable at any angles
947 // squared sphere radius for easier comparisons
949 // skin animation info
950 animscene_t *skinscenes; // [numskins]
951 // skin animation info
952 animscene_t *animscenes; // [numframes]
953 // range of surface numbers in this (sub)model
954 int firstmodelsurface;
955 int nummodelsurfaces;
956 int *sortedmodelsurfaces;
957 // range of collision brush numbers in this (sub)model
960 // BIH (Bounding Interval Hierarchy) for this (sub)model
962 bih_t render_bih; // if not set, use collision_bih instead for rendering purposes too
966 aliastag_t *data_tags;
967 // for skeletal models
969 aliasbone_t *data_bones;
970 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
971 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
973 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
974 float *data_baseboneposeinverse;
975 // textures of this model
977 int num_texturesperskin;
978 texture_t *data_textures;
979 qboolean wantnormals;
980 qboolean wanttangents;
981 // surfaces of this model
983 msurface_t *data_surfaces;
984 // optional lightmapinfo data for surface lightmap updates
985 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
986 // all surfaces belong to this mesh
988 // data type of model
989 const char *modeldatatypestring;
990 // generates vertex data for a given frameblend
991 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);
992 // draw the model's sky polygons (only used by brush models)
993 void(*DrawSky)(struct entity_render_s *ent);
994 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
995 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
996 // draw the model using lightmap/dlight shading
997 void(*Draw)(struct entity_render_s *ent);
998 // draw the model to the depth buffer (no color rendering at all)
999 void(*DrawDepth)(struct entity_render_s *ent);
1000 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
1001 void(*DrawDebug)(struct entity_render_s *ent);
1002 // draw geometry textures for deferred rendering
1003 void(*DrawPrepass)(struct entity_render_s *ent);
1004 // compile an optimized shadowmap mesh for the model based on light source
1005 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1006 // draw depth into a shadowmap
1007 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);
1008 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
1009 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);
1010 // compile a shadow volume for the model based on light source
1011 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1012 // draw a shadow volume for the model based on light source
1013 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);
1014 // draw the lighting on a model (through stencil)
1015 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1016 // trace a box against this model
1017 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);
1018 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);
1019 // trace a box against this model
1020 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);
1021 // trace a point against this model (like PointSuperContents)
1022 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);
1023 // find the supercontents value at a point in this model
1024 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
1025 // fields belonging to some types of model
1026 model_sprite_t sprite;
1027 model_brush_t brush;
1028 model_brushq1_t brushq1;
1029 /* MSVC can't handle an empty struct, so this is commented out for now
1030 model_brushq2_t brushq2;
1032 model_brushq3_t brushq3;
1033 // flags this model for offseting sounds to the model center (used by brush models)
1034 int soundfromcenter;
1036 // if set, the model contains light information (lightmap, or vertexlight)
1041 //============================================================================
1044 extern dp_model_t *loadmodel;
1045 extern unsigned char *mod_base;
1046 // sky/water subdivision
1047 //extern cvar_t gl_subdivide_size;
1048 // texture fullbrights
1049 extern cvar_t r_fullbrights;
1050 extern cvar_t r_enableshadowvolumes;
1052 void Mod_Init (void);
1053 void Mod_Reload (void);
1054 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
1055 dp_model_t *Mod_FindName (const char *name, const char *parentname);
1056 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
1057 void Mod_UnloadModel (dp_model_t *mod);
1059 void Mod_ClearUsed(void);
1060 void Mod_PurgeUnused(void);
1061 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
1063 extern dp_model_t *loadmodel;
1064 extern char loadname[32]; // for hunk tags
1066 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
1067 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
1068 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
1069 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
1070 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);
1072 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
1073 void Mod_MakeSortedSurfaces(dp_model_t *mod);
1075 // called specially by brush model loaders before generating submodels
1076 // automatically called after model loader returns
1077 void Mod_BuildVBOs(void);
1079 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);
1080 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
1081 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
1082 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
1083 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);
1084 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);
1085 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
1086 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
1087 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
1089 void Mod_CreateCollisionMesh(dp_model_t *mod);
1091 void Mod_FreeQ3Shaders(void);
1092 void Mod_LoadQ3Shaders(void);
1093 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
1094 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
1096 extern cvar_t r_mipskins;
1097 extern cvar_t r_mipnormalmaps;
1099 typedef struct skeleton_s
1101 const dp_model_t *model;
1102 matrix4x4_t *relativetransforms;
1106 typedef struct skinfileitem_s
1108 struct skinfileitem_s *next;
1109 char name[MAX_QPATH];
1110 char replacement[MAX_QPATH];
1114 typedef struct skinfile_s
1116 struct skinfile_s *next;
1117 skinfileitem_t *items;
1121 skinfile_t *Mod_LoadSkinFiles(void);
1122 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1123 int Mod_CountSkinFiles(skinfile_t *skinfile);
1124 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1126 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1127 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1128 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1130 typedef struct mod_alloclightmap_row_s
1135 mod_alloclightmap_row_t;
1137 typedef struct mod_alloclightmap_state_s
1142 mod_alloclightmap_row_t *rows;
1144 mod_alloclightmap_state_t;
1146 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1147 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1148 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1149 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1152 void Mod_BrushInit(void);
1153 // used for talking to the QuakeC mainly
1154 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1155 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1157 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1158 struct entity_render_s;
1159 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1160 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1161 void R_Q1BSP_Draw(struct entity_render_s *ent);
1162 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1163 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1164 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1165 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);
1166 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1167 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);
1168 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1169 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);
1170 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1172 // Collision optimization using Bounding Interval Hierarchy
1173 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);
1174 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);
1175 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);
1176 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);
1177 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);
1178 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
1179 bih_t *Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces, bih_t *out);
1182 struct frameblend_s;
1184 void Mod_AliasInit(void);
1185 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1186 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1187 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);
1189 void Mod_Skeletal_FreeBuffers(void);
1192 void Mod_SpriteInit(void);
1195 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1196 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1197 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1198 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1199 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1200 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1201 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1202 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1203 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1204 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1205 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1206 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1207 void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1209 #endif // MODEL_SHARED_H