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;
428 // polygonoffset (only used if Q3TEXTUREFLAG_POLYGONOFFSET)
429 float biaspolygonoffset, biaspolygonfactor;
432 float specularscalemod;
433 float specularpowermod;
434 #define Q3SHADERINFO_COMPARE_END specularpowermod
438 typedef enum texturelayertype_e
440 TEXTURELAYERTYPE_INVALID,
441 TEXTURELAYERTYPE_LITTEXTURE,
442 TEXTURELAYERTYPE_TEXTURE,
443 TEXTURELAYERTYPE_FOG,
447 typedef struct texturelayer_s
449 texturelayertype_t type;
454 matrix4x4_t texmatrix;
459 typedef struct texture_s
465 unsigned int width, height;
467 //unsigned int flags;
469 // base material flags
470 int basematerialflags;
471 // current material flags (updated each bmodel render)
472 int currentmaterialflags;
474 // PolygonOffset values for rendering this material
475 // (these are added to the r_refdef values and submodel values)
476 float biaspolygonfactor;
477 float biaspolygonoffset;
479 // textures to use when rendering this material
480 skinframe_t *currentskinframe;
483 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
484 // background layer (for terrain texture blending)
485 skinframe_t *backgroundcurrentskinframe;
486 int backgroundnumskinframes;
487 float backgroundskinframerate;
488 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
490 // total frames in sequence and alternate sequence
492 // direct pointers to each of the frames in the sequences
493 // (indexed as [alternate][frame])
494 struct texture_s *anim_frames[2][10];
495 // set if animated or there is an alternate frame set
496 // (this is an optimization in the renderer)
499 // renderer checks if this texture needs updating...
500 int update_lastrenderframe;
501 void *update_lastrenderentity;
502 // the current alpha of this texture (may be affected by r_wateralpha)
504 // the current texture frame in animation
505 struct texture_s *currentframe;
506 // current texture transform matrix (used for water scrolling)
507 matrix4x4_t currenttexmatrix;
508 matrix4x4_t currentbackgroundtexmatrix;
510 // various q3 shader features
511 q3shaderinfo_layer_rgbgen_t rgbgen;
512 q3shaderinfo_layer_alphagen_t alphagen;
513 q3shaderinfo_layer_tcgen_t tcgen;
514 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
515 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
516 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
518 qboolean colormapping;
519 rtexture_t *basetexture; // original texture without pants/shirt/glow
520 rtexture_t *pantstexture; // pants only (in greyscale)
521 rtexture_t *shirttexture; // shirt only (in greyscale)
522 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
523 rtexture_t *glosstexture; // glossmap (for dot3)
524 rtexture_t *glowtexture; // glow only (fullbrights)
525 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
526 rtexture_t *reflectmasktexture; // mask for fake reflections
527 rtexture_t *reflectcubetexture; // fake reflections cubemap
528 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
529 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
530 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
531 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
534 // color tint (colormod * currentalpha) used for rtlighting this material
535 float dlightcolor[3];
536 // color tint (colormod * 2) used for lightmapped lighting on this material
537 // includes alpha as 4th component
538 // replaces role of gl_Color in GLSL shader
539 float lightmapcolor[4];
542 int customblendfunc[2];
544 int currentnumlayers;
545 texturelayer_t currentlayers[16];
555 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
556 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
557 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
558 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
559 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
560 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
561 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
562 float r_water_waterscroll[2]; // scale and speed
563 int camera_entity; // entity number for use by cameras
566 dpoffsetmapping_technique_t offsetmapping;
570 float specularscalemod;
571 float specularpowermod;
575 typedef struct mtexinfo_s
583 typedef struct msurface_lightmapinfo_s
585 // texture mapping properties used by this surface
586 mtexinfo_t *texinfo; // q1bsp
587 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
588 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
589 // RGB lighting data [numstyles][height][width][3]
590 unsigned char *samples; // q1bsp
591 // RGB normalmap data [numstyles][height][width][3]
592 unsigned char *nmapsamples; // q1bsp
593 // stain to apply on lightmap (soot/dirt/blood/whatever)
594 unsigned char *stainsamples; // q1bsp
595 int texturemins[2]; // q1bsp
596 int extents[2]; // q1bsp
597 int lightmaporigin[2]; // q1bsp
599 msurface_lightmapinfo_t;
602 typedef struct msurface_s
604 // bounding box for onscreen checks
607 // the texture to use on the surface
609 // the lightmap texture fragment to use on the rendering mesh
610 rtexture_t *lightmaptexture;
611 // the lighting direction texture fragment to use on the rendering mesh
612 rtexture_t *deluxemaptexture;
613 // lightmaptexture rebuild information not used in q3bsp
614 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
615 // fog volume info in q3bsp
616 struct q3deffect_s *effect; // q3bsp
617 // mesh information for collisions (only used by q3bsp curves)
618 int num_firstcollisiontriangle;
619 int *deprecatedq3data_collisionelement3i; // q3bsp
620 float *deprecatedq3data_collisionvertex3f; // q3bsp
621 float *deprecatedq3data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
622 float *deprecatedq3data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
624 // surfaces own ranges of vertices and triangles in the model->surfmesh
625 int num_triangles; // number of triangles
626 int num_firsttriangle; // first triangle
627 int num_vertices; // number of vertices
628 int num_firstvertex; // first vertex
630 // shadow volume building information
631 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
633 // mesh information for collisions (only used by q3bsp curves)
634 int num_collisiontriangles; // q3bsp
635 int num_collisionvertices; // q3bsp
636 int deprecatedq3num_collisionbboxstride;
637 int deprecatedq3num_bboxstride;
638 // FIXME: collisionmarkframe should be kept in a separate array
639 int deprecatedq3collisionmarkframe; // q3bsp // don't collide twice in one trace
643 #include "matrixlib.h"
646 #include "model_brush.h"
647 #include "model_sprite.h"
648 #include "model_alias.h"
650 typedef struct model_sprite_s
653 mspriteframe_t *sprdata_frames;
659 typedef struct model_brush_lightstyleinfo_s
666 model_brush_lightstyleinfo_t;
668 typedef struct model_brush_s
670 // true if this model is a HalfLife .bsp file
672 // string of entity definitions (.map format)
675 // if not NULL this is a submodel
676 struct model_s *parentmodel;
677 // (this is the number of the submodel, an index into submodels)
680 // number of submodels in this map (just used by server to know how many
681 // submodels to load)
683 // pointers to each of the submodels
684 struct model_s **submodels;
687 mplane_t *data_planes;
692 // visible leafs, not counting 0 (solid)
694 // number of actual leafs (including 0 which is solid)
699 int *data_leafbrushes;
701 int num_leafsurfaces;
702 int *data_leafsurfaces;
705 mportal_t *data_portals;
707 int num_portalpoints;
708 mvertex_t *data_portalpoints;
711 q3mbrush_t *data_brushes;
714 q3mbrushside_t *data_brushsides;
718 int num_pvsclusterbytes;
719 unsigned char *data_pvsclusters;
721 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
722 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
724 // collision geometry for q3 curves
725 int num_collisionvertices;
726 int num_collisiontriangles;
727 float *data_collisionvertex3f;
728 int *data_collisionelement3i;
730 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
731 shadowmesh_t *shadowmesh;
733 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
734 shadowmesh_t *collisionmesh;
737 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
738 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
739 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
740 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
741 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
742 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
743 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
744 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
745 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
746 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
747 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
748 // these are actually only found on brushq1, but NULL is handled gracefully
749 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
750 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
751 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
752 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
754 char skybox[MAX_QPATH];
756 skinframe_t *solidskyskinframe;
757 skinframe_t *alphaskyskinframe;
759 qboolean supportwateralpha;
767 typedef struct model_brushq1_s
784 mclipnode_t *clipnodes;
786 hull_t hulls[MAX_MAP_HULLS];
788 int num_compressedpvs;
789 unsigned char *data_compressedpvs;
792 unsigned char *lightdata;
793 unsigned char *nmaplightdata; // deluxemap file
795 // lightmap update chains for light styles
797 model_brush_lightstyleinfo_t *data_lightstyleinfo;
799 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
800 unsigned char *lightmapupdateflags;
801 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
805 /* MSVC can't compile empty structs, so this is commented out for now
806 typedef struct model_brushq2_s
812 typedef struct model_brushq3_s
815 q3dmodel_t *data_models;
817 // used only during loading - freed after loading!
819 float *data_vertex3f;
820 float *data_normal3f;
821 float *data_texcoordtexture2f;
822 float *data_texcoordlightmap2f;
825 // freed after loading!
830 q3deffect_t *data_effects;
833 int num_originallightmaps;
834 int num_mergedlightmaps;
835 int num_lightmapmergedwidthpower;
836 int num_lightmapmergedheightpower;
837 int num_lightmapmergedwidthheightdeluxepower;
838 int num_lightmapmerge;
839 rtexture_t **data_lightmaps;
840 rtexture_t **data_deluxemaps;
842 // voxel light data with directional shading
844 q3dlightgrid_t *data_lightgrid;
845 // size of each cell (may vary by map, typically 64 64 128)
846 float num_lightgrid_cellsize[3];
847 // 1.0 / num_lightgrid_cellsize
848 float num_lightgrid_scale[3];
849 // dimensions of the world model in lightgrid cells
850 int num_lightgrid_imins[3];
851 int num_lightgrid_imaxs[3];
852 int num_lightgrid_isize[3];
853 // transform modelspace coordinates to lightgrid index
854 matrix4x4_t num_lightgrid_indexfromworld;
856 // true if this q3bsp file has been detected as using deluxemapping
857 // (lightmap texture pairs, every odd one is never directly refernced,
858 // and contains lighting normals, not colors)
859 qboolean deluxemapping;
860 // true if the detected deluxemaps are the modelspace kind, rather than
861 // the faster tangentspace kind
862 qboolean deluxemapping_modelspace;
863 // size of lightmaps (128 by default, but may be another poweroftwo if
864 // external lightmaps are used (q3map2 -lightmapsize)
872 typedef struct model_s
874 // name and path of model, for example "progs/player.mdl"
875 char name[MAX_QPATH];
876 // model needs to be loaded if this is false
878 // set if the model is used in current map, models which are not, are purged
880 // CRC of the file this model was loaded from, to reload if changed
882 // mod_brush, mod_alias, mod_sprite
884 // memory pool for allocations
886 // all models use textures...
887 rtexturepool_t *texturepool;
888 // EF_* flags (translated from the model file's different flags layout)
890 // number of QC accessible frame(group)s in the model
892 // number of QC accessible skin(group)s in the model
894 // whether to randomize animated framegroups
896 // bounding box at angles '0 0 0'
897 vec3_t normalmins, normalmaxs;
898 // bounding box if yaw angle is not 0, but pitch and roll are
899 vec3_t yawmins, yawmaxs;
900 // bounding box if pitch or roll are used
901 vec3_t rotatedmins, rotatedmaxs;
902 // sphere radius, usable at any angles
904 // squared sphere radius for easier comparisons
906 // skin animation info
907 animscene_t *skinscenes; // [numskins]
908 // skin animation info
909 animscene_t *animscenes; // [numframes]
910 // range of surface numbers in this (sub)model
911 int firstmodelsurface;
912 int nummodelsurfaces;
913 int *sortedmodelsurfaces;
914 // range of collision brush numbers in this (sub)model
917 // BIH (Bounding Interval Hierarchy) for this (sub)model
919 bih_t render_bih; // if not set, use collision_bih instead for rendering purposes too
923 aliastag_t *data_tags;
924 // for skeletal models
926 aliasbone_t *data_bones;
927 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
928 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
930 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
931 float *data_baseboneposeinverse;
932 // textures of this model
934 int num_texturesperskin;
935 texture_t *data_textures;
936 qboolean wantnormals;
937 qboolean wanttangents;
938 // surfaces of this model
940 msurface_t *data_surfaces;
941 // optional lightmapinfo data for surface lightmap updates
942 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
943 // all surfaces belong to this mesh
945 // data type of model
946 const char *modeldatatypestring;
947 // generates vertex data for a given frameblend
948 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);
949 // draw the model's sky polygons (only used by brush models)
950 void(*DrawSky)(struct entity_render_s *ent);
951 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
952 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
953 // draw the model using lightmap/dlight shading
954 void(*Draw)(struct entity_render_s *ent);
955 // draw the model to the depth buffer (no color rendering at all)
956 void(*DrawDepth)(struct entity_render_s *ent);
957 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
958 void(*DrawDebug)(struct entity_render_s *ent);
959 // draw geometry textures for deferred rendering
960 void(*DrawPrepass)(struct entity_render_s *ent);
961 // compile an optimized shadowmap mesh for the model based on light source
962 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
963 // draw depth into a shadowmap
964 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);
965 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
966 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);
967 // compile a shadow volume for the model based on light source
968 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
969 // draw a shadow volume for the model based on light source
970 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);
971 // draw the lighting on a model (through stencil)
972 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
973 // trace a box against this model
974 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);
975 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);
976 // trace a box against this model
977 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);
978 // trace a point against this model (like PointSuperContents)
979 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);
980 // find the supercontents value at a point in this model
981 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
982 // fields belonging to some types of model
983 model_sprite_t sprite;
985 model_brushq1_t brushq1;
986 /* MSVC can't handle an empty struct, so this is commented out for now
987 model_brushq2_t brushq2;
989 model_brushq3_t brushq3;
990 // flags this model for offseting sounds to the model center (used by brush models)
993 // if set, the model contains light information (lightmap, or vertexlight)
998 //============================================================================
1001 extern dp_model_t *loadmodel;
1002 extern unsigned char *mod_base;
1003 // sky/water subdivision
1004 //extern cvar_t gl_subdivide_size;
1005 // texture fullbrights
1006 extern cvar_t r_fullbrights;
1008 void Mod_Init (void);
1009 void Mod_Reload (void);
1010 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
1011 dp_model_t *Mod_FindName (const char *name, const char *parentname);
1012 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
1013 void Mod_UnloadModel (dp_model_t *mod);
1015 void Mod_ClearUsed(void);
1016 void Mod_PurgeUnused(void);
1017 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
1019 extern dp_model_t *loadmodel;
1020 extern char loadname[32]; // for hunk tags
1022 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
1023 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
1024 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
1025 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
1026 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);
1028 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
1029 void Mod_MakeSortedSurfaces(dp_model_t *mod);
1031 // called specially by brush model loaders before generating submodels
1032 // automatically called after model loader returns
1033 void Mod_BuildVBOs(void);
1035 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);
1036 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
1037 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
1038 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
1039 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);
1040 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);
1041 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
1042 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
1043 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
1045 void Mod_CreateCollisionMesh(dp_model_t *mod);
1047 void Mod_FreeQ3Shaders(void);
1048 void Mod_LoadQ3Shaders(void);
1049 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
1050 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
1052 extern cvar_t r_mipskins;
1053 extern cvar_t r_mipnormalmaps;
1055 typedef struct skeleton_s
1057 const dp_model_t *model;
1058 matrix4x4_t *relativetransforms;
1062 typedef struct skinfileitem_s
1064 struct skinfileitem_s *next;
1065 char name[MAX_QPATH];
1066 char replacement[MAX_QPATH];
1070 typedef struct skinfile_s
1072 struct skinfile_s *next;
1073 skinfileitem_t *items;
1077 skinfile_t *Mod_LoadSkinFiles(void);
1078 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1079 int Mod_CountSkinFiles(skinfile_t *skinfile);
1080 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1082 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1083 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1084 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1086 typedef struct mod_alloclightmap_row_s
1091 mod_alloclightmap_row_t;
1093 typedef struct mod_alloclightmap_state_s
1098 mod_alloclightmap_row_t *rows;
1100 mod_alloclightmap_state_t;
1102 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1103 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1104 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1105 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1108 void Mod_BrushInit(void);
1109 // used for talking to the QuakeC mainly
1110 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1111 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1113 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1114 struct entity_render_s;
1115 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1116 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1117 void R_Q1BSP_Draw(struct entity_render_s *ent);
1118 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1119 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1120 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1121 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);
1122 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1123 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);
1124 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1125 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);
1126 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1128 // Collision optimization using Bounding Interval Hierarchy
1129 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);
1130 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);
1131 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);
1132 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);
1133 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);
1134 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
1135 bih_t *Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces, bih_t *out);
1138 struct frameblend_s;
1140 void Mod_AliasInit(void);
1141 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1142 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1143 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);
1145 void Mod_Skeletal_FreeBuffers(void);
1148 void Mod_SpriteInit(void);
1151 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1152 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1153 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1154 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1155 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1156 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1157 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1158 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1159 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1160 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1161 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1162 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1163 void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1165 #endif // MODEL_SHARED_H