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
113 typedef struct r_vertexmesh_s
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:
448 qboolean dpnortlight;
452 // add collisions to all triangles of the surface
453 qboolean dpmeshcollisions;
456 char dpreflectcube[Q3PATHLENGTH];
459 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
460 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
461 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
462 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
463 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
464 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
465 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
466 float r_water_waterscroll[2]; // water normalmapscrollblend - scale and speed
469 dpoffsetmapping_technique_t offsetmapping;
472 // polygonoffset (only used if Q3TEXTUREFLAG_POLYGONOFFSET)
473 float biaspolygonoffset, biaspolygonfactor;
476 float specularscalemod;
477 float specularpowermod;
479 // rtlightning ambient addition
480 float rtlightambient;
481 #define Q3SHADERINFO_COMPARE_END specularpowermod
485 typedef enum texturelayertype_e
487 TEXTURELAYERTYPE_INVALID,
488 TEXTURELAYERTYPE_LITTEXTURE,
489 TEXTURELAYERTYPE_TEXTURE,
494 typedef struct texturelayer_s
496 texturelayertype_t type;
501 matrix4x4_t texmatrix;
506 typedef struct texture_s
512 unsigned int width, height;
514 //unsigned int flags;
516 // base material flags
517 int basematerialflags;
518 // current material flags (updated each bmodel render)
519 int currentmaterialflags;
521 // PolygonOffset values for rendering this material
522 // (these are added to the r_refdef values and submodel values)
523 float biaspolygonfactor;
524 float biaspolygonoffset;
526 // textures to use when rendering this material
527 skinframe_t *currentskinframe;
530 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
531 // background layer (for terrain texture blending)
532 skinframe_t *backgroundcurrentskinframe;
533 int backgroundnumskinframes;
534 float backgroundskinframerate;
535 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
537 // total frames in sequence and alternate sequence
539 // direct pointers to each of the frames in the sequences
540 // (indexed as [alternate][frame])
541 struct texture_s *anim_frames[2][10];
542 // set if animated or there is an alternate frame set
543 // (this is an optimization in the renderer)
546 // renderer checks if this texture needs updating...
547 int update_lastrenderframe;
548 void *update_lastrenderentity;
549 // the current alpha of this texture (may be affected by r_wateralpha)
551 // the current texture frame in animation
552 struct texture_s *currentframe;
553 // current texture transform matrix (used for water scrolling)
554 matrix4x4_t currenttexmatrix;
555 matrix4x4_t currentbackgroundtexmatrix;
557 // various q3 shader features
558 q3shaderinfo_layer_rgbgen_t rgbgen;
559 q3shaderinfo_layer_alphagen_t alphagen;
560 q3shaderinfo_layer_tcgen_t tcgen;
561 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
562 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
563 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
565 qboolean colormapping;
566 rtexture_t *basetexture; // original texture without pants/shirt/glow
567 rtexture_t *pantstexture; // pants only (in greyscale)
568 rtexture_t *shirttexture; // shirt only (in greyscale)
569 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
570 rtexture_t *glosstexture; // glossmap (for dot3)
571 rtexture_t *glowtexture; // glow only (fullbrights)
572 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
573 rtexture_t *reflectmasktexture; // mask for fake reflections
574 rtexture_t *reflectcubetexture; // fake reflections cubemap
575 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
576 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
577 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
578 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
581 // color tint (colormod * currentalpha) used for rtlighting this material
582 float dlightcolor[3];
583 // color tint (colormod * 2) used for lightmapped lighting on this material
584 // includes alpha as 4th component
585 // replaces role of gl_Color in GLSL shader
586 float lightmapcolor[4];
589 int customblendfunc[2];
591 int currentnumlayers;
592 texturelayer_t currentlayers[16];
602 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
603 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
604 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
605 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
606 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
607 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
608 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
609 float r_water_waterscroll[2]; // scale and speed
610 int camera_entity; // entity number for use by cameras
613 dpoffsetmapping_technique_t offsetmapping;
617 float specularscalemod;
618 float specularpowermod;
620 // diffuse and ambient
621 float rtlightambient;
625 typedef struct mtexinfo_s
633 typedef struct msurface_lightmapinfo_s
635 // texture mapping properties used by this surface
636 mtexinfo_t *texinfo; // q1bsp
637 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
638 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
639 // RGB lighting data [numstyles][height][width][3]
640 unsigned char *samples; // q1bsp
641 // RGB normalmap data [numstyles][height][width][3]
642 unsigned char *nmapsamples; // q1bsp
643 // stain to apply on lightmap (soot/dirt/blood/whatever)
644 unsigned char *stainsamples; // q1bsp
645 int texturemins[2]; // q1bsp
646 int extents[2]; // q1bsp
647 int lightmaporigin[2]; // q1bsp
649 msurface_lightmapinfo_t;
652 typedef struct msurface_s
654 // bounding box for onscreen checks
657 // the texture to use on the surface
659 // the lightmap texture fragment to use on the rendering mesh
660 rtexture_t *lightmaptexture;
661 // the lighting direction texture fragment to use on the rendering mesh
662 rtexture_t *deluxemaptexture;
663 // lightmaptexture rebuild information not used in q3bsp
664 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
665 // fog volume info in q3bsp
666 struct q3deffect_s *effect; // q3bsp
667 // mesh information for collisions (only used by q3bsp curves)
668 int num_firstcollisiontriangle;
669 int *deprecatedq3data_collisionelement3i; // q3bsp
670 float *deprecatedq3data_collisionvertex3f; // q3bsp
671 float *deprecatedq3data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
672 float *deprecatedq3data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
674 // surfaces own ranges of vertices and triangles in the model->surfmesh
675 int num_triangles; // number of triangles
676 int num_firsttriangle; // first triangle
677 int num_vertices; // number of vertices
678 int num_firstvertex; // first vertex
680 // shadow volume building information
681 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
683 // mesh information for collisions (only used by q3bsp curves)
684 int num_collisiontriangles; // q3bsp
685 int num_collisionvertices; // q3bsp
686 int deprecatedq3num_collisionbboxstride;
687 int deprecatedq3num_bboxstride;
688 // FIXME: collisionmarkframe should be kept in a separate array
689 int deprecatedq3collisionmarkframe; // q3bsp // don't collide twice in one trace
693 #include "matrixlib.h"
696 #include "model_brush.h"
697 #include "model_sprite.h"
698 #include "model_alias.h"
700 typedef struct model_sprite_s
703 mspriteframe_t *sprdata_frames;
709 typedef struct model_brush_lightstyleinfo_s
716 model_brush_lightstyleinfo_t;
718 typedef struct model_brush_s
720 // true if this model is a HalfLife .bsp file
722 // string of entity definitions (.map format)
725 // if not NULL this is a submodel
726 struct model_s *parentmodel;
727 // (this is the number of the submodel, an index into submodels)
730 // number of submodels in this map (just used by server to know how many
731 // submodels to load)
733 // pointers to each of the submodels
734 struct model_s **submodels;
737 mplane_t *data_planes;
742 // visible leafs, not counting 0 (solid)
744 // number of actual leafs (including 0 which is solid)
749 int *data_leafbrushes;
751 int num_leafsurfaces;
752 int *data_leafsurfaces;
755 mportal_t *data_portals;
757 int num_portalpoints;
758 mvertex_t *data_portalpoints;
761 q3mbrush_t *data_brushes;
764 q3mbrushside_t *data_brushsides;
768 int num_pvsclusterbytes;
769 unsigned char *data_pvsclusters;
771 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
772 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
774 // collision geometry for q3 curves
775 int num_collisionvertices;
776 int num_collisiontriangles;
777 float *data_collisionvertex3f;
778 int *data_collisionelement3i;
780 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
781 shadowmesh_t *shadowmesh;
783 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
784 shadowmesh_t *collisionmesh;
787 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
788 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
789 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
790 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
791 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
792 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
793 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
794 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
795 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
796 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
797 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
798 // these are actually only found on brushq1, but NULL is handled gracefully
799 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
800 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
801 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
802 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
804 char skybox[MAX_QPATH];
806 skinframe_t *solidskyskinframe;
807 skinframe_t *alphaskyskinframe;
809 qboolean supportwateralpha;
817 typedef struct model_brushq1_s
834 mclipnode_t *clipnodes;
836 hull_t hulls[MAX_MAP_HULLS];
838 int num_compressedpvs;
839 unsigned char *data_compressedpvs;
842 unsigned char *lightdata;
843 unsigned char *nmaplightdata; // deluxemap file
845 // lightmap update chains for light styles
847 model_brush_lightstyleinfo_t *data_lightstyleinfo;
849 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
850 unsigned char *lightmapupdateflags;
851 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
855 /* MSVC can't compile empty structs, so this is commented out for now
856 typedef struct model_brushq2_s
862 typedef struct model_brushq3_s
865 q3dmodel_t *data_models;
867 // used only during loading - freed after loading!
869 float *data_vertex3f;
870 float *data_normal3f;
871 float *data_texcoordtexture2f;
872 float *data_texcoordlightmap2f;
875 // freed after loading!
880 q3deffect_t *data_effects;
883 int num_originallightmaps;
884 int num_mergedlightmaps;
885 int num_lightmapmergedwidthpower;
886 int num_lightmapmergedheightpower;
887 int num_lightmapmergedwidthheightdeluxepower;
888 int num_lightmapmerge;
889 rtexture_t **data_lightmaps;
890 rtexture_t **data_deluxemaps;
892 // voxel light data with directional shading
894 q3dlightgrid_t *data_lightgrid;
895 // size of each cell (may vary by map, typically 64 64 128)
896 float num_lightgrid_cellsize[3];
897 // 1.0 / num_lightgrid_cellsize
898 float num_lightgrid_scale[3];
899 // dimensions of the world model in lightgrid cells
900 int num_lightgrid_imins[3];
901 int num_lightgrid_imaxs[3];
902 int num_lightgrid_isize[3];
903 // transform modelspace coordinates to lightgrid index
904 matrix4x4_t num_lightgrid_indexfromworld;
906 // true if this q3bsp file has been detected as using deluxemapping
907 // (lightmap texture pairs, every odd one is never directly refernced,
908 // and contains lighting normals, not colors)
909 qboolean deluxemapping;
910 // true if the detected deluxemaps are the modelspace kind, rather than
911 // the faster tangentspace kind
912 qboolean deluxemapping_modelspace;
913 // size of lightmaps (128 by default, but may be another poweroftwo if
914 // external lightmaps are used (q3map2 -lightmapsize)
922 typedef struct model_s
924 // name and path of model, for example "progs/player.mdl"
925 char name[MAX_QPATH];
926 // model needs to be loaded if this is false
928 // set if the model is used in current map, models which are not, are purged
930 // CRC of the file this model was loaded from, to reload if changed
932 // mod_brush, mod_alias, mod_sprite
934 // memory pool for allocations
936 // all models use textures...
937 rtexturepool_t *texturepool;
938 // EF_* flags (translated from the model file's different flags layout)
940 // number of QC accessible frame(group)s in the model
942 // number of QC accessible skin(group)s in the model
944 // whether to randomize animated framegroups
946 // bounding box at angles '0 0 0'
947 vec3_t normalmins, normalmaxs;
948 // bounding box if yaw angle is not 0, but pitch and roll are
949 vec3_t yawmins, yawmaxs;
950 // bounding box if pitch or roll are used
951 vec3_t rotatedmins, rotatedmaxs;
952 // sphere radius, usable at any angles
954 // squared sphere radius for easier comparisons
956 // skin animation info
957 animscene_t *skinscenes; // [numskins]
958 // skin animation info
959 animscene_t *animscenes; // [numframes]
960 // range of surface numbers in this (sub)model
961 int firstmodelsurface;
962 int nummodelsurfaces;
963 int *sortedmodelsurfaces;
964 // range of collision brush numbers in this (sub)model
967 // BIH (Bounding Interval Hierarchy) for this (sub)model
969 bih_t render_bih; // if not set, use collision_bih instead for rendering purposes too
973 aliastag_t *data_tags;
974 // for skeletal models
976 aliasbone_t *data_bones;
977 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
978 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
980 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
981 float *data_baseboneposeinverse;
982 // textures of this model
984 int num_texturesperskin;
985 texture_t *data_textures;
986 qboolean wantnormals;
987 qboolean wanttangents;
988 // surfaces of this model
990 msurface_t *data_surfaces;
991 // optional lightmapinfo data for surface lightmap updates
992 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
993 // all surfaces belong to this mesh
995 // data type of model
996 const char *modeldatatypestring;
997 // generates vertex data for a given frameblend
998 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);
999 // draw the model's sky polygons (only used by brush models)
1000 void(*DrawSky)(struct entity_render_s *ent);
1001 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
1002 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
1003 // draw the model using lightmap/dlight shading
1004 void(*Draw)(struct entity_render_s *ent);
1005 // draw the model to the depth buffer (no color rendering at all)
1006 void(*DrawDepth)(struct entity_render_s *ent);
1007 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
1008 void(*DrawDebug)(struct entity_render_s *ent);
1009 // draw geometry textures for deferred rendering
1010 void(*DrawPrepass)(struct entity_render_s *ent);
1011 // compile an optimized shadowmap mesh for the model based on light source
1012 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1013 // draw depth into a shadowmap
1014 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);
1015 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
1016 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);
1017 // compile a shadow volume for the model based on light source
1018 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1019 // draw a shadow volume for the model based on light source
1020 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);
1021 // draw the lighting on a model (through stencil)
1022 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1023 // trace a box against this model
1024 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);
1025 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);
1026 // trace a box against this model
1027 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);
1028 // trace a point against this model (like PointSuperContents)
1029 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);
1030 // find the supercontents value at a point in this model
1031 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
1032 // trace a line against geometry in this model and report correct texture (used by r_shadow_bouncegrid)
1033 void (*TraceLineAgainstSurfaces)(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);
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;
1059 extern cvar_t r_enableshadowvolumes;
1061 void Mod_Init (void);
1062 void Mod_Reload (void);
1063 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
1064 dp_model_t *Mod_FindName (const char *name, const char *parentname);
1065 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
1066 void Mod_UnloadModel (dp_model_t *mod);
1068 void Mod_ClearUsed(void);
1069 void Mod_PurgeUnused(void);
1070 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
1072 extern dp_model_t *loadmodel;
1073 extern char loadname[32]; // for hunk tags
1075 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
1076 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
1077 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
1078 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
1079 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);
1081 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
1082 void Mod_MakeSortedSurfaces(dp_model_t *mod);
1084 // called specially by brush model loaders before generating submodels
1085 // automatically called after model loader returns
1086 void Mod_BuildVBOs(void);
1088 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);
1089 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
1090 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
1091 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
1092 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);
1093 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);
1094 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
1095 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
1096 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
1098 void Mod_CreateCollisionMesh(dp_model_t *mod);
1100 void Mod_FreeQ3Shaders(void);
1101 void Mod_LoadQ3Shaders(void);
1102 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
1103 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
1105 extern cvar_t r_mipskins;
1106 extern cvar_t r_mipnormalmaps;
1108 typedef struct skinfileitem_s
1110 struct skinfileitem_s *next;
1111 char name[MAX_QPATH];
1112 char replacement[MAX_QPATH];
1116 typedef struct skinfile_s
1118 struct skinfile_s *next;
1119 skinfileitem_t *items;
1123 skinfile_t *Mod_LoadSkinFiles(void);
1124 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1125 int Mod_CountSkinFiles(skinfile_t *skinfile);
1126 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1128 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1129 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1130 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1132 typedef struct mod_alloclightmap_row_s
1137 mod_alloclightmap_row_t;
1139 typedef struct mod_alloclightmap_state_s
1144 mod_alloclightmap_row_t *rows;
1146 mod_alloclightmap_state_t;
1148 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1149 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1150 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1151 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1154 void Mod_BrushInit(void);
1155 // used for talking to the QuakeC mainly
1156 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1157 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1159 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1160 struct entity_render_s;
1161 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1162 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1163 void R_Q1BSP_Draw(struct entity_render_s *ent);
1164 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1165 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1166 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1167 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);
1168 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1169 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);
1170 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1171 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);
1172 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1174 // Collision optimization using Bounding Interval Hierarchy
1175 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);
1176 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);
1177 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);
1178 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);
1179 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);
1180 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
1181 bih_t *Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces, bih_t *out);
1184 struct frameblend_s;
1186 void Mod_AliasInit(void);
1187 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1188 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1189 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);
1191 void Mod_Skeletal_FreeBuffers(void);
1194 void Mod_SpriteInit(void);
1197 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1198 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1199 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1200 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1201 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1202 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1203 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1204 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1205 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1206 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1207 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1208 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1209 void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1211 #endif // MODEL_SHARED_H