2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #ifndef MODEL_SHARED_H
22 #define MODEL_SHARED_H
24 typedef enum synctype_e {ST_SYNC=0, ST_RAND } synctype_t;
28 d*_t structures are on-disk representations
29 m*_t structures are in-memory
33 typedef enum modtype_e {mod_invalid, mod_brushq1, mod_sprite, mod_alias, mod_brushq2, mod_brushq3, mod_obj, mod_null} modtype_t;
35 typedef struct animscene_s
37 char name[32]; // for viewthing support
40 int loop; // true or false
45 typedef struct skinframe_s
47 rtexture_t *stain; // inverse modulate with background (used for decals and such)
48 rtexture_t *merged; // original texture without glow
49 rtexture_t *base; // original texture without pants/shirt/glow
50 rtexture_t *pants; // pants only (in greyscale)
51 rtexture_t *shirt; // shirt only (in greyscale)
52 rtexture_t *nmap; // normalmap (bumpmap for dot3)
53 rtexture_t *gloss; // glossmap (for dot3)
54 rtexture_t *glow; // glow only (fullbrights)
55 rtexture_t *fog; // alpha of the base texture (if not opaque)
56 rtexture_t *reflect; // colored mask for cubemap reflections
57 // accounting data for hash searches:
58 // the compare variables are used to identify internal skins from certain
60 // (so that two q1bsp maps with the same texture name for different
61 // textures do not have any conflicts)
62 struct skinframe_s *next; // next on hash chain
63 char basename[MAX_QPATH]; // name of this
64 int textureflags; // texture flags to use
68 // mark and sweep garbage collection, this value is updated to a new value
69 // on each level change for the used skinframes, if some are not used they
72 // indicates whether this texture has transparent pixels
74 // average texture color, if applicable
76 // for mdl skins, we actually only upload on first use (many are never used, and they are almost never used in both base+pants+shirt and merged modes)
77 unsigned char *qpixels;
80 qboolean qhascolormapping;
81 qboolean qgeneratebase;
82 qboolean qgeneratemerged;
83 qboolean qgeneratenmap;
84 qboolean qgenerateglow;
90 typedef struct texvecvertex_s
97 typedef struct blendweights_s
99 unsigned char index[4];
100 unsigned char influence[4];
104 // used for mesh lists in q1bsp/q3bsp map models
105 // (the surfaces reference portions of these meshes)
106 typedef struct surfmesh_s
108 // triangle data in system memory
109 int num_triangles; // number of triangles in the mesh
110 int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
111 unsigned short *data_element3s; // unsigned short[tris*3] triangles of the mesh in unsigned short format (NULL if num_vertices > 65536)
112 int *data_neighbor3i; // int[tris*3] neighboring triangle on each edge (-1 if none)
113 // element buffer object (stores triangles in video memory)
114 int ebo3i; // unsigned int format (only allocated if num_vertices > 65536)
115 int ebo3s; // unsigned short format (only allocated if num_vertices <= 65536)
116 // vertex data in system memory
117 int num_vertices; // number of vertices in the mesh
118 float *data_vertex3f; // float[verts*3] vertex locations
119 float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
120 float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
121 float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
122 float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
123 float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
124 float *data_lightmapcolor4f;
125 int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
126 // vertex buffer object (stores geometry in video memory)
128 size_t vbooffset_vertex3f;
129 size_t vbooffset_svector3f;
130 size_t vbooffset_tvector3f;
131 size_t vbooffset_normal3f;
132 size_t vbooffset_texcoordtexture2f;
133 size_t vbooffset_texcoordlightmap2f;
134 size_t vbooffset_lightmapcolor4f;
135 // morph blending, these are zero if model is skeletal or static
137 struct md3vertex_s *data_morphmd3vertex;
138 struct trivertx_s *data_morphmdlvertex;
139 struct texvecvertex_s *data_morphtexvecvertex;
140 float *data_morphmd2framesize6f;
141 float num_morphmdlframescale[3];
142 float num_morphmdlframetranslate[3];
143 // skeletal blending, these are NULL if model is morph or static
144 struct blendweights_s *data_blendweights;
146 unsigned short *blends;
147 // set if there is some kind of animation on this model
152 #define SHADOWMESHVERTEXHASH 1024
153 typedef struct shadowmeshvertexhash_s
155 struct shadowmeshvertexhash_s *next;
157 shadowmeshvertexhash_t;
159 typedef struct shadowmesh_s
161 // next mesh in chain
162 struct shadowmesh_s *next;
163 // used for light mesh (NULL on shadow mesh)
164 rtexture_t *map_diffuse;
165 rtexture_t *map_specular;
166 rtexture_t *map_normal;
168 int numverts, maxverts;
169 int numtriangles, maxtriangles;
172 // used for light mesh (NULL on shadow mesh)
179 unsigned short *element3s;
180 // used for shadow mapping cubemap side partitioning
181 int sideoffsets[6], sidetotals[6];
182 // used for shadow mesh (NULL on light mesh)
184 // these are NULL after Mod_ShadowMesh_Finish is performed, only used
185 // while building meshes
186 shadowmeshvertexhash_t **vertexhashtable, *vertexhashentries;
187 // element buffer object (stores triangles in video memory)
188 // (created by Mod_ShadowMesh_Finish if possible)
191 // vertex buffer object (stores vertices in video memory)
192 // (created by Mod_ShadowMesh_Finish if possible)
194 size_t vbooffset_vertex3f;
195 size_t vbooffset_svector3f;
196 size_t vbooffset_tvector3f;
197 size_t vbooffset_normal3f;
198 size_t vbooffset_texcoord2f;
202 // various flags from shaders, used for special effects not otherwise classified
203 // TODO: support these features more directly
204 #define Q3TEXTUREFLAG_TWOSIDED 1
205 #define Q3TEXTUREFLAG_NOPICMIP 16
206 #define Q3TEXTUREFLAG_POLYGONOFFSET 32
207 #define Q3TEXTUREFLAG_REFRACTION 256
208 #define Q3TEXTUREFLAG_REFLECTION 512
209 #define Q3TEXTUREFLAG_WATERSHADER 1024
210 #define Q3TEXTUREFLAG_CAMERA 2048
212 #define Q3PATHLENGTH 64
213 #define TEXTURE_MAXFRAMES 64
214 #define Q3WAVEPARMS 4
215 #define Q3DEFORM_MAXPARMS 3
216 #define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
217 #define Q3RGBGEN_MAXPARMS 3
218 #define Q3ALPHAGEN_MAXPARMS 1
219 #define Q3TCGEN_MAXPARMS 6
220 #define Q3TCMOD_MAXPARMS 6
221 #define Q3MAXTCMODS 8
222 #define Q3MAXDEFORMS 4
224 typedef enum q3wavefunc_e
227 Q3WAVEFUNC_INVERSESAWTOOTH,
236 typedef int q3wavefunc_t;
237 #define Q3WAVEFUNC_USER_COUNT 4
238 #define Q3WAVEFUNC_USER_SHIFT 8 // use 8 bits for wave func type
240 typedef enum q3deform_e
243 Q3DEFORM_PROJECTIONSHADOW,
245 Q3DEFORM_AUTOSPRITE2,
262 typedef enum q3rgbgen_e
267 Q3RGBGEN_EXACTVERTEX,
268 Q3RGBGEN_IDENTITYLIGHTING,
269 Q3RGBGEN_LIGHTINGDIFFUSE,
270 Q3RGBGEN_ONEMINUSENTITY,
271 Q3RGBGEN_ONEMINUSVERTEX,
278 typedef enum q3alphagen_e
283 Q3ALPHAGEN_LIGHTINGSPECULAR,
284 Q3ALPHAGEN_ONEMINUSENTITY,
285 Q3ALPHAGEN_ONEMINUSVERTEX,
293 typedef enum q3tcgen_e
296 Q3TCGEN_TEXTURE, // very common
297 Q3TCGEN_ENVIRONMENT, // common
304 typedef enum q3tcmod_e
307 Q3TCMOD_ENTITYTRANSLATE,
319 typedef struct q3shaderinfo_layer_rgbgen_s
322 float parms[Q3RGBGEN_MAXPARMS];
323 q3wavefunc_t wavefunc;
324 float waveparms[Q3WAVEPARMS];
326 q3shaderinfo_layer_rgbgen_t;
328 typedef struct q3shaderinfo_layer_alphagen_s
330 q3alphagen_t alphagen;
331 float parms[Q3ALPHAGEN_MAXPARMS];
332 q3wavefunc_t wavefunc;
333 float waveparms[Q3WAVEPARMS];
335 q3shaderinfo_layer_alphagen_t;
337 typedef struct q3shaderinfo_layer_tcgen_s
340 float parms[Q3TCGEN_MAXPARMS];
342 q3shaderinfo_layer_tcgen_t;
344 typedef struct q3shaderinfo_layer_tcmod_s
347 float parms[Q3TCMOD_MAXPARMS];
348 q3wavefunc_t wavefunc;
349 float waveparms[Q3WAVEPARMS];
351 q3shaderinfo_layer_tcmod_t;
353 typedef struct q3shaderinfo_layer_s
362 q3shaderinfo_layer_rgbgen_t rgbgen;
363 q3shaderinfo_layer_alphagen_t alphagen;
364 q3shaderinfo_layer_tcgen_t tcgen;
365 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
367 q3shaderinfo_layer_t;
369 typedef struct q3shaderinfo_deform_s
372 float parms[Q3DEFORM_MAXPARMS];
373 q3wavefunc_t wavefunc;
374 float waveparms[Q3WAVEPARMS];
376 q3shaderinfo_deform_t;
378 typedef enum dpoffsetmapping_technique_s
380 OFFSETMAPPING_OFF, // none
381 OFFSETMAPPING_DEFAULT, // cvar-set
382 OFFSETMAPPING_LINEAR, // linear
383 OFFSETMAPPING_RELIEF // relief
384 }dpoffsetmapping_technique_t;
387 typedef struct q3shaderinfo_s
389 char name[Q3PATHLENGTH];
390 #define Q3SHADERINFO_COMPARE_START surfaceparms
395 qboolean vertexalpha;
396 qboolean textureblendalpha;
397 int primarylayer, backgroundlayer;
398 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
399 char skyboxname[Q3PATHLENGTH];
400 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
402 // dp-specific additions:
408 // add collisions to all triangles of the surface
409 qboolean dpmeshcollisions;
412 char dpreflectcube[Q3PATHLENGTH];
415 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
416 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
417 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
418 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
419 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
420 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
421 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
422 float r_water_waterscroll[2]; // water normalmapscrollblend - scale and speed
425 dpoffsetmapping_technique_t offsetmapping;
429 float specularscalemod;
430 float specularpowermod;
431 #define Q3SHADERINFO_COMPARE_END specularpowermod
435 typedef enum texturelayertype_e
437 TEXTURELAYERTYPE_INVALID,
438 TEXTURELAYERTYPE_LITTEXTURE,
439 TEXTURELAYERTYPE_TEXTURE,
440 TEXTURELAYERTYPE_FOG,
444 typedef struct texturelayer_s
446 texturelayertype_t type;
451 matrix4x4_t texmatrix;
456 typedef struct texture_s
462 unsigned int width, height;
464 //unsigned int flags;
466 // base material flags
467 int basematerialflags;
468 // current material flags (updated each bmodel render)
469 int currentmaterialflags;
471 // PolygonOffset values for rendering this material
472 // (these are added to the r_refdef values and submodel values)
473 float biaspolygonfactor;
474 float biaspolygonoffset;
476 // textures to use when rendering this material
477 skinframe_t *currentskinframe;
480 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
481 // background layer (for terrain texture blending)
482 skinframe_t *backgroundcurrentskinframe;
483 int backgroundnumskinframes;
484 float backgroundskinframerate;
485 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
487 // total frames in sequence and alternate sequence
489 // direct pointers to each of the frames in the sequences
490 // (indexed as [alternate][frame])
491 struct texture_s *anim_frames[2][10];
492 // set if animated or there is an alternate frame set
493 // (this is an optimization in the renderer)
496 // renderer checks if this texture needs updating...
497 int update_lastrenderframe;
498 void *update_lastrenderentity;
499 // the current alpha of this texture (may be affected by r_wateralpha)
501 // the current texture frame in animation
502 struct texture_s *currentframe;
503 // current texture transform matrix (used for water scrolling)
504 matrix4x4_t currenttexmatrix;
505 matrix4x4_t currentbackgroundtexmatrix;
507 // various q3 shader features
508 q3shaderinfo_layer_rgbgen_t rgbgen;
509 q3shaderinfo_layer_alphagen_t alphagen;
510 q3shaderinfo_layer_tcgen_t tcgen;
511 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
512 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
513 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
515 qboolean colormapping;
516 rtexture_t *basetexture; // original texture without pants/shirt/glow
517 rtexture_t *pantstexture; // pants only (in greyscale)
518 rtexture_t *shirttexture; // shirt only (in greyscale)
519 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
520 rtexture_t *glosstexture; // glossmap (for dot3)
521 rtexture_t *glowtexture; // glow only (fullbrights)
522 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
523 rtexture_t *reflectmasktexture; // mask for fake reflections
524 rtexture_t *reflectcubetexture; // fake reflections cubemap
525 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
526 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
527 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
528 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
531 // color tint (colormod * currentalpha) used for rtlighting this material
532 float dlightcolor[3];
533 // color tint (colormod * 2) used for lightmapped lighting on this material
534 // includes alpha as 4th component
535 // replaces role of gl_Color in GLSL shader
536 float lightmapcolor[4];
539 int customblendfunc[2];
541 int currentnumlayers;
542 texturelayer_t currentlayers[16];
552 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
553 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
554 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
555 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
556 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
557 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
558 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
559 float r_water_waterscroll[2]; // scale and speed
560 int camera_entity; // entity number for use by cameras
563 dpoffsetmapping_technique_t offsetmapping;
567 float specularscalemod;
568 float specularpowermod;
572 typedef struct mtexinfo_s
580 typedef struct msurface_lightmapinfo_s
582 // texture mapping properties used by this surface
583 mtexinfo_t *texinfo; // q1bsp
584 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
585 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
586 // RGB lighting data [numstyles][height][width][3]
587 unsigned char *samples; // q1bsp
588 // RGB normalmap data [numstyles][height][width][3]
589 unsigned char *nmapsamples; // q1bsp
590 // stain to apply on lightmap (soot/dirt/blood/whatever)
591 unsigned char *stainsamples; // q1bsp
592 int texturemins[2]; // q1bsp
593 int extents[2]; // q1bsp
594 int lightmaporigin[2]; // q1bsp
596 msurface_lightmapinfo_t;
599 typedef struct msurface_s
601 // bounding box for onscreen checks
604 // the texture to use on the surface
606 // the lightmap texture fragment to use on the rendering mesh
607 rtexture_t *lightmaptexture;
608 // the lighting direction texture fragment to use on the rendering mesh
609 rtexture_t *deluxemaptexture;
610 // lightmaptexture rebuild information not used in q3bsp
611 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
612 // fog volume info in q3bsp
613 struct q3deffect_s *effect; // q3bsp
614 // mesh information for collisions (only used by q3bsp curves)
615 int num_firstcollisiontriangle;
616 int *deprecatedq3data_collisionelement3i; // q3bsp
617 float *deprecatedq3data_collisionvertex3f; // q3bsp
618 float *deprecatedq3data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
619 float *deprecatedq3data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
621 // surfaces own ranges of vertices and triangles in the model->surfmesh
622 int num_triangles; // number of triangles
623 int num_firsttriangle; // first triangle
624 int num_vertices; // number of vertices
625 int num_firstvertex; // first vertex
627 // shadow volume building information
628 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
630 // mesh information for collisions (only used by q3bsp curves)
631 int num_collisiontriangles; // q3bsp
632 int num_collisionvertices; // q3bsp
633 int deprecatedq3num_collisionbboxstride;
634 int deprecatedq3num_bboxstride;
635 // FIXME: collisionmarkframe should be kept in a separate array
636 int deprecatedq3collisionmarkframe; // q3bsp // don't collide twice in one trace
640 #include "matrixlib.h"
643 #include "model_brush.h"
644 #include "model_sprite.h"
645 #include "model_alias.h"
647 typedef struct model_sprite_s
650 mspriteframe_t *sprdata_frames;
656 typedef struct model_brush_lightstyleinfo_s
663 model_brush_lightstyleinfo_t;
665 typedef struct model_brush_s
667 // true if this model is a HalfLife .bsp file
669 // string of entity definitions (.map format)
672 // if not NULL this is a submodel
673 struct model_s *parentmodel;
674 // (this is the number of the submodel, an index into submodels)
677 // number of submodels in this map (just used by server to know how many
678 // submodels to load)
680 // pointers to each of the submodels
681 struct model_s **submodels;
684 mplane_t *data_planes;
689 // visible leafs, not counting 0 (solid)
691 // number of actual leafs (including 0 which is solid)
696 int *data_leafbrushes;
698 int num_leafsurfaces;
699 int *data_leafsurfaces;
702 mportal_t *data_portals;
704 int num_portalpoints;
705 mvertex_t *data_portalpoints;
708 q3mbrush_t *data_brushes;
711 q3mbrushside_t *data_brushsides;
715 int num_pvsclusterbytes;
716 unsigned char *data_pvsclusters;
718 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
719 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
721 // collision geometry for q3 curves
722 int num_collisionvertices;
723 int num_collisiontriangles;
724 float *data_collisionvertex3f;
725 int *data_collisionelement3i;
727 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
728 shadowmesh_t *shadowmesh;
730 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
731 shadowmesh_t *collisionmesh;
734 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
735 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
736 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
737 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
738 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
739 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
740 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
741 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
742 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
743 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
744 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
745 // these are actually only found on brushq1, but NULL is handled gracefully
746 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
747 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
748 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
749 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
751 char skybox[MAX_QPATH];
753 skinframe_t *solidskyskinframe;
754 skinframe_t *alphaskyskinframe;
756 qboolean supportwateralpha;
764 typedef struct model_brushq1_s
781 mclipnode_t *clipnodes;
783 hull_t hulls[MAX_MAP_HULLS];
785 int num_compressedpvs;
786 unsigned char *data_compressedpvs;
789 unsigned char *lightdata;
790 unsigned char *nmaplightdata; // deluxemap file
792 // lightmap update chains for light styles
794 model_brush_lightstyleinfo_t *data_lightstyleinfo;
796 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
797 unsigned char *lightmapupdateflags;
798 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
802 /* MSVC can't compile empty structs, so this is commented out for now
803 typedef struct model_brushq2_s
809 typedef struct model_brushq3_s
812 q3dmodel_t *data_models;
814 // used only during loading - freed after loading!
816 float *data_vertex3f;
817 float *data_normal3f;
818 float *data_texcoordtexture2f;
819 float *data_texcoordlightmap2f;
822 // freed after loading!
827 q3deffect_t *data_effects;
830 int num_originallightmaps;
831 int num_mergedlightmaps;
832 int num_lightmapmergedwidthpower;
833 int num_lightmapmergedheightpower;
834 int num_lightmapmergedwidthheightdeluxepower;
835 int num_lightmapmerge;
836 rtexture_t **data_lightmaps;
837 rtexture_t **data_deluxemaps;
839 // voxel light data with directional shading
841 q3dlightgrid_t *data_lightgrid;
842 // size of each cell (may vary by map, typically 64 64 128)
843 float num_lightgrid_cellsize[3];
844 // 1.0 / num_lightgrid_cellsize
845 float num_lightgrid_scale[3];
846 // dimensions of the world model in lightgrid cells
847 int num_lightgrid_imins[3];
848 int num_lightgrid_imaxs[3];
849 int num_lightgrid_isize[3];
850 // transform modelspace coordinates to lightgrid index
851 matrix4x4_t num_lightgrid_indexfromworld;
853 // true if this q3bsp file has been detected as using deluxemapping
854 // (lightmap texture pairs, every odd one is never directly refernced,
855 // and contains lighting normals, not colors)
856 qboolean deluxemapping;
857 // true if the detected deluxemaps are the modelspace kind, rather than
858 // the faster tangentspace kind
859 qboolean deluxemapping_modelspace;
860 // size of lightmaps (128 by default, but may be another poweroftwo if
861 // external lightmaps are used (q3map2 -lightmapsize)
869 typedef struct model_s
871 // name and path of model, for example "progs/player.mdl"
872 char name[MAX_QPATH];
873 // model needs to be loaded if this is false
875 // set if the model is used in current map, models which are not, are purged
877 // CRC of the file this model was loaded from, to reload if changed
879 // mod_brush, mod_alias, mod_sprite
881 // memory pool for allocations
883 // all models use textures...
884 rtexturepool_t *texturepool;
885 // EF_* flags (translated from the model file's different flags layout)
887 // number of QC accessible frame(group)s in the model
889 // number of QC accessible skin(group)s in the model
891 // whether to randomize animated framegroups
893 // bounding box at angles '0 0 0'
894 vec3_t normalmins, normalmaxs;
895 // bounding box if yaw angle is not 0, but pitch and roll are
896 vec3_t yawmins, yawmaxs;
897 // bounding box if pitch or roll are used
898 vec3_t rotatedmins, rotatedmaxs;
899 // sphere radius, usable at any angles
901 // squared sphere radius for easier comparisons
903 // skin animation info
904 animscene_t *skinscenes; // [numskins]
905 // skin animation info
906 animscene_t *animscenes; // [numframes]
907 // range of surface numbers in this (sub)model
908 int firstmodelsurface;
909 int nummodelsurfaces;
910 int *sortedmodelsurfaces;
911 // range of collision brush numbers in this (sub)model
914 // BIH (Bounding Interval Hierarchy) for this (sub)model
916 bih_t render_bih; // if not set, use collision_bih instead for rendering purposes too
920 aliastag_t *data_tags;
921 // for skeletal models
923 aliasbone_t *data_bones;
924 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
925 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
927 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
928 float *data_baseboneposeinverse;
929 // textures of this model
931 int num_texturesperskin;
932 texture_t *data_textures;
933 qboolean wantnormals;
934 qboolean wanttangents;
935 // surfaces of this model
937 msurface_t *data_surfaces;
938 // optional lightmapinfo data for surface lightmap updates
939 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
940 // all surfaces belong to this mesh
942 // data type of model
943 const char *modeldatatypestring;
944 // generates vertex data for a given frameblend
945 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);
946 // draw the model's sky polygons (only used by brush models)
947 void(*DrawSky)(struct entity_render_s *ent);
948 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
949 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
950 // draw the model using lightmap/dlight shading
951 void(*Draw)(struct entity_render_s *ent);
952 // draw the model to the depth buffer (no color rendering at all)
953 void(*DrawDepth)(struct entity_render_s *ent);
954 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
955 void(*DrawDebug)(struct entity_render_s *ent);
956 // draw geometry textures for deferred rendering
957 void(*DrawPrepass)(struct entity_render_s *ent);
958 // compile an optimized shadowmap mesh for the model based on light source
959 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
960 // draw depth into a shadowmap
961 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);
962 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
963 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);
964 // compile a shadow volume for the model based on light source
965 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
966 // draw a shadow volume for the model based on light source
967 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);
968 // draw the lighting on a model (through stencil)
969 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
970 // trace a box against this model
971 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);
972 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);
973 // trace a box against this model
974 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);
975 // trace a point against this model (like PointSuperContents)
976 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);
977 // find the supercontents value at a point in this model
978 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
979 // fields belonging to some types of model
980 model_sprite_t sprite;
982 model_brushq1_t brushq1;
983 /* MSVC can't handle an empty struct, so this is commented out for now
984 model_brushq2_t brushq2;
986 model_brushq3_t brushq3;
987 // flags this model for offseting sounds to the model center (used by brush models)
990 // if set, the model contains light information (lightmap, or vertexlight)
995 //============================================================================
998 extern dp_model_t *loadmodel;
999 extern unsigned char *mod_base;
1000 // sky/water subdivision
1001 //extern cvar_t gl_subdivide_size;
1002 // texture fullbrights
1003 extern cvar_t r_fullbrights;
1005 void Mod_Init (void);
1006 void Mod_Reload (void);
1007 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
1008 dp_model_t *Mod_FindName (const char *name, const char *parentname);
1009 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
1010 void Mod_UnloadModel (dp_model_t *mod);
1012 void Mod_ClearUsed(void);
1013 void Mod_PurgeUnused(void);
1014 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
1016 extern dp_model_t *loadmodel;
1017 extern char loadname[32]; // for hunk tags
1019 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
1020 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
1021 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
1022 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
1023 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);
1025 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
1026 void Mod_MakeSortedSurfaces(dp_model_t *mod);
1028 // called specially by brush model loaders before generating submodels
1029 // automatically called after model loader returns
1030 void Mod_BuildVBOs(void);
1032 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);
1033 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
1034 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
1035 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
1036 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);
1037 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);
1038 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
1039 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
1040 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
1042 void Mod_CreateCollisionMesh(dp_model_t *mod);
1044 void Mod_FreeQ3Shaders(void);
1045 void Mod_LoadQ3Shaders(void);
1046 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
1047 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
1049 extern cvar_t r_mipskins;
1050 extern cvar_t r_mipnormalmaps;
1052 typedef struct skeleton_s
1054 const dp_model_t *model;
1055 matrix4x4_t *relativetransforms;
1059 typedef struct skinfileitem_s
1061 struct skinfileitem_s *next;
1062 char name[MAX_QPATH];
1063 char replacement[MAX_QPATH];
1067 typedef struct skinfile_s
1069 struct skinfile_s *next;
1070 skinfileitem_t *items;
1074 skinfile_t *Mod_LoadSkinFiles(void);
1075 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1076 int Mod_CountSkinFiles(skinfile_t *skinfile);
1077 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1079 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1080 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1081 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1083 typedef struct mod_alloclightmap_row_s
1088 mod_alloclightmap_row_t;
1090 typedef struct mod_alloclightmap_state_s
1095 mod_alloclightmap_row_t *rows;
1097 mod_alloclightmap_state_t;
1099 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1100 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1101 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1102 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1105 void Mod_BrushInit(void);
1106 // used for talking to the QuakeC mainly
1107 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1108 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1110 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1111 struct entity_render_s;
1112 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1113 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1114 void R_Q1BSP_Draw(struct entity_render_s *ent);
1115 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1116 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1117 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1118 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);
1119 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1120 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);
1121 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1122 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);
1123 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1125 // Collision optimization using Bounding Interval Hierarchy
1126 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);
1127 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);
1128 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);
1129 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);
1130 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);
1131 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
1132 bih_t *Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces, bih_t *out);
1135 struct frameblend_s;
1137 void Mod_AliasInit(void);
1138 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1139 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1140 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);
1142 void Mod_Skeletal_FreeBuffers(void);
1145 void Mod_SpriteInit(void);
1148 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1149 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1150 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1151 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1152 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1153 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1154 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1155 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1156 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1157 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1158 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1159 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1160 void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1162 #endif // MODEL_SHARED_H