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 // used for mesh lists in q1bsp/q3bsp map models
98 // (the surfaces reference portions of these meshes)
99 typedef struct surfmesh_s
101 // triangle data in system memory
102 int num_triangles; // number of triangles in the mesh
103 int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
104 unsigned short *data_element3s; // unsigned short[tris*3] triangles of the mesh in unsigned short format (NULL if num_vertices > 65536)
105 int *data_neighbor3i; // int[tris*3] neighboring triangle on each edge (-1 if none)
106 // element buffer object (stores triangles in video memory)
107 int ebo3i; // unsigned int format (only allocated if num_vertices > 65536)
108 int ebo3s; // unsigned short format (only allocated if num_vertices <= 65536)
109 // vertex data in system memory
110 int num_vertices; // number of vertices in the mesh
111 float *data_vertex3f; // float[verts*3] vertex locations
112 float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
113 float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
114 float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
115 float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
116 float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
117 float *data_lightmapcolor4f;
118 int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
119 // vertex buffer object (stores geometry in video memory)
121 size_t vbooffset_vertex3f;
122 size_t vbooffset_svector3f;
123 size_t vbooffset_tvector3f;
124 size_t vbooffset_normal3f;
125 size_t vbooffset_texcoordtexture2f;
126 size_t vbooffset_texcoordlightmap2f;
127 size_t vbooffset_lightmapcolor4f;
128 // morph blending, these are zero if model is skeletal or static
130 struct md3vertex_s *data_morphmd3vertex;
131 struct trivertx_s *data_morphmdlvertex;
132 struct texvecvertex_s *data_morphtexvecvertex;
133 float *data_morphmd2framesize6f;
134 float num_morphmdlframescale[3];
135 float num_morphmdlframetranslate[3];
136 // skeletal blending, these are NULL if model is morph or static
137 int *data_vertexweightindex4i;
138 float *data_vertexweightinfluence4f;
139 // set if there is some kind of animation on this model
144 #define SHADOWMESHVERTEXHASH 1024
145 typedef struct shadowmeshvertexhash_s
147 struct shadowmeshvertexhash_s *next;
149 shadowmeshvertexhash_t;
151 typedef struct shadowmesh_s
153 // next mesh in chain
154 struct shadowmesh_s *next;
155 // used for light mesh (NULL on shadow mesh)
156 rtexture_t *map_diffuse;
157 rtexture_t *map_specular;
158 rtexture_t *map_normal;
160 int numverts, maxverts;
161 int numtriangles, maxtriangles;
164 // used for light mesh (NULL on shadow mesh)
171 unsigned short *element3s;
172 // used for shadow mapping cubemap side partitioning
173 int sideoffsets[6], sidetotals[6];
174 // used for shadow mesh (NULL on light mesh)
176 // these are NULL after Mod_ShadowMesh_Finish is performed, only used
177 // while building meshes
178 shadowmeshvertexhash_t **vertexhashtable, *vertexhashentries;
179 // element buffer object (stores triangles in video memory)
180 // (created by Mod_ShadowMesh_Finish if possible)
183 // vertex buffer object (stores vertices in video memory)
184 // (created by Mod_ShadowMesh_Finish if possible)
186 size_t vbooffset_vertex3f;
187 size_t vbooffset_svector3f;
188 size_t vbooffset_tvector3f;
189 size_t vbooffset_normal3f;
190 size_t vbooffset_texcoord2f;
194 // various flags from shaders, used for special effects not otherwise classified
195 // TODO: support these features more directly
196 #define Q3TEXTUREFLAG_TWOSIDED 1
197 #define Q3TEXTUREFLAG_NOPICMIP 16
198 #define Q3TEXTUREFLAG_POLYGONOFFSET 32
199 #define Q3TEXTUREFLAG_REFRACTION 256
200 #define Q3TEXTUREFLAG_REFLECTION 512
201 #define Q3TEXTUREFLAG_WATERSHADER 1024
203 #define Q3PATHLENGTH 64
204 #define TEXTURE_MAXFRAMES 64
205 #define Q3WAVEPARMS 4
206 #define Q3DEFORM_MAXPARMS 3
207 #define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
208 #define Q3RGBGEN_MAXPARMS 3
209 #define Q3ALPHAGEN_MAXPARMS 1
210 #define Q3TCGEN_MAXPARMS 6
211 #define Q3TCMOD_MAXPARMS 6
212 #define Q3MAXTCMODS 8
213 #define Q3MAXDEFORMS 4
215 typedef enum q3wavefunc_e
218 Q3WAVEFUNC_INVERSESAWTOOTH,
228 typedef enum q3deform_e
231 Q3DEFORM_PROJECTIONSHADOW,
233 Q3DEFORM_AUTOSPRITE2,
250 typedef enum q3rgbgen_e
255 Q3RGBGEN_EXACTVERTEX,
256 Q3RGBGEN_IDENTITYLIGHTING,
257 Q3RGBGEN_LIGHTINGDIFFUSE,
258 Q3RGBGEN_ONEMINUSENTITY,
259 Q3RGBGEN_ONEMINUSVERTEX,
266 typedef enum q3alphagen_e
271 Q3ALPHAGEN_LIGHTINGSPECULAR,
272 Q3ALPHAGEN_ONEMINUSENTITY,
273 Q3ALPHAGEN_ONEMINUSVERTEX,
281 typedef enum q3tcgen_e
284 Q3TCGEN_TEXTURE, // very common
285 Q3TCGEN_ENVIRONMENT, // common
292 typedef enum q3tcmod_e
295 Q3TCMOD_ENTITYTRANSLATE,
307 typedef struct q3shaderinfo_layer_rgbgen_s
310 float parms[Q3RGBGEN_MAXPARMS];
311 q3wavefunc_t wavefunc;
312 float waveparms[Q3WAVEPARMS];
314 q3shaderinfo_layer_rgbgen_t;
316 typedef struct q3shaderinfo_layer_alphagen_s
318 q3alphagen_t alphagen;
319 float parms[Q3ALPHAGEN_MAXPARMS];
320 q3wavefunc_t wavefunc;
321 float waveparms[Q3WAVEPARMS];
323 q3shaderinfo_layer_alphagen_t;
325 typedef struct q3shaderinfo_layer_tcgen_s
328 float parms[Q3TCGEN_MAXPARMS];
330 q3shaderinfo_layer_tcgen_t;
332 typedef struct q3shaderinfo_layer_tcmod_s
335 float parms[Q3TCMOD_MAXPARMS];
336 q3wavefunc_t wavefunc;
337 float waveparms[Q3WAVEPARMS];
339 q3shaderinfo_layer_tcmod_t;
341 typedef struct q3shaderinfo_layer_s
350 q3shaderinfo_layer_rgbgen_t rgbgen;
351 q3shaderinfo_layer_alphagen_t alphagen;
352 q3shaderinfo_layer_tcgen_t tcgen;
353 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
355 q3shaderinfo_layer_t;
357 typedef struct q3shaderinfo_deform_s
360 float parms[Q3DEFORM_MAXPARMS];
361 q3wavefunc_t wavefunc;
362 float waveparms[Q3WAVEPARMS];
364 q3shaderinfo_deform_t;
366 typedef struct q3shaderinfo_s
368 char name[Q3PATHLENGTH];
369 #define Q3SHADERINFO_COMPARE_START surfaceparms
374 qboolean vertexalpha;
375 qboolean textureblendalpha;
376 int primarylayer, backgroundlayer;
377 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
378 char skyboxname[Q3PATHLENGTH];
379 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
381 // dp-specific additions:
388 char dpreflectcube[Q3PATHLENGTH];
391 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
392 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
393 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
394 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
395 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
396 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
397 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
400 float specularscalemod;
401 float specularpowermod;
402 #define Q3SHADERINFO_COMPARE_END specularpowermod
406 typedef enum texturelayertype_e
408 TEXTURELAYERTYPE_INVALID,
409 TEXTURELAYERTYPE_LITTEXTURE,
410 TEXTURELAYERTYPE_TEXTURE,
411 TEXTURELAYERTYPE_FOG,
415 typedef struct texturelayer_s
417 texturelayertype_t type;
422 matrix4x4_t texmatrix;
427 typedef struct texture_s
433 unsigned int width, height;
435 //unsigned int flags;
437 // base material flags
438 int basematerialflags;
439 // current material flags (updated each bmodel render)
440 int currentmaterialflags;
442 // PolygonOffset values for rendering this material
443 // (these are added to the r_refdef values and submodel values)
444 float biaspolygonfactor;
445 float biaspolygonoffset;
447 // textures to use when rendering this material
448 skinframe_t *currentskinframe;
451 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
452 // background layer (for terrain texture blending)
453 skinframe_t *backgroundcurrentskinframe;
454 int backgroundnumskinframes;
455 float backgroundskinframerate;
456 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
458 // total frames in sequence and alternate sequence
460 // direct pointers to each of the frames in the sequences
461 // (indexed as [alternate][frame])
462 struct texture_s *anim_frames[2][10];
463 // set if animated or there is an alternate frame set
464 // (this is an optimization in the renderer)
467 // renderer checks if this texture needs updating...
468 int update_lastrenderframe;
469 void *update_lastrenderentity;
470 // the current alpha of this texture (may be affected by r_wateralpha)
472 // the current texture frame in animation
473 struct texture_s *currentframe;
474 // current texture transform matrix (used for water scrolling)
475 matrix4x4_t currenttexmatrix;
476 matrix4x4_t currentbackgroundtexmatrix;
478 // various q3 shader features
479 q3shaderinfo_layer_rgbgen_t rgbgen;
480 q3shaderinfo_layer_alphagen_t alphagen;
481 q3shaderinfo_layer_tcgen_t tcgen;
482 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
483 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
484 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
486 qboolean colormapping;
487 rtexture_t *basetexture; // original texture without pants/shirt/glow
488 rtexture_t *pantstexture; // pants only (in greyscale)
489 rtexture_t *shirttexture; // shirt only (in greyscale)
490 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
491 rtexture_t *glosstexture; // glossmap (for dot3)
492 rtexture_t *glowtexture; // glow only (fullbrights)
493 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
494 rtexture_t *reflectmasktexture; // mask for fake reflections
495 rtexture_t *reflectcubetexture; // fake reflections cubemap
496 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
497 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
498 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
499 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
502 // color tint (colormod * currentalpha) used for rtlighting this material
503 float dlightcolor[3];
504 // color tint (colormod * 2) used for lightmapped lighting on this material
505 // includes alpha as 4th component
506 // replaces role of gl_Color in GLSL shader
507 float lightmapcolor[4];
510 int customblendfunc[2];
512 int currentnumlayers;
513 texturelayer_t currentlayers[16];
523 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
524 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
525 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
526 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
527 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
528 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
529 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
532 float specularscalemod;
533 float specularpowermod;
537 typedef struct mtexinfo_s
545 typedef struct msurface_lightmapinfo_s
547 // texture mapping properties used by this surface
548 mtexinfo_t *texinfo; // q1bsp
549 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
550 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
551 // RGB lighting data [numstyles][height][width][3]
552 unsigned char *samples; // q1bsp
553 // RGB normalmap data [numstyles][height][width][3]
554 unsigned char *nmapsamples; // q1bsp
555 // stain to apply on lightmap (soot/dirt/blood/whatever)
556 unsigned char *stainsamples; // q1bsp
557 int texturemins[2]; // q1bsp
558 int extents[2]; // q1bsp
559 int lightmaporigin[2]; // q1bsp
561 msurface_lightmapinfo_t;
564 typedef struct msurface_s
566 // bounding box for onscreen checks
569 // the texture to use on the surface
571 // the lightmap texture fragment to use on the rendering mesh
572 rtexture_t *lightmaptexture;
573 // the lighting direction texture fragment to use on the rendering mesh
574 rtexture_t *deluxemaptexture;
575 // lightmaptexture rebuild information not used in q3bsp
576 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
577 // fog volume info in q3bsp
578 struct q3deffect_s *effect; // q3bsp
579 // mesh information for collisions (only used by q3bsp curves)
580 int *data_collisionelement3i; // q3bsp
581 float *data_collisionvertex3f; // q3bsp
582 float *data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
583 float *data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
585 // surfaces own ranges of vertices and triangles in the model->surfmesh
586 int num_triangles; // number of triangles
587 int num_firsttriangle; // first triangle
588 int num_vertices; // number of vertices
589 int num_firstvertex; // first vertex
591 // shadow volume building information
592 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
594 // mesh information for collisions (only used by q3bsp curves)
595 int num_collisiontriangles; // q3bsp
596 int num_collisionvertices; // q3bsp
597 int num_collisionbboxstride;
599 // FIXME: collisionmarkframe should be kept in a separate array
600 int collisionmarkframe; // q3bsp // don't collide twice in one trace
604 #include "matrixlib.h"
606 #include "model_brush.h"
607 #include "model_sprite.h"
608 #include "model_alias.h"
610 typedef struct model_sprite_s
613 mspriteframe_t *sprdata_frames;
619 typedef struct model_brush_lightstyleinfo_s
626 model_brush_lightstyleinfo_t;
628 typedef struct model_brush_s
630 // true if this model is a HalfLife .bsp file
632 // string of entity definitions (.map format)
635 // if not NULL this is a submodel
636 struct model_s *parentmodel;
637 // (this is the number of the submodel, an index into submodels)
640 // number of submodels in this map (just used by server to know how many
641 // submodels to load)
643 // pointers to each of the submodels
644 struct model_s **submodels;
647 mplane_t *data_planes;
652 // visible leafs, not counting 0 (solid)
654 // number of actual leafs (including 0 which is solid)
659 int *data_leafbrushes;
661 int num_leafsurfaces;
662 int *data_leafsurfaces;
665 mportal_t *data_portals;
667 int num_portalpoints;
668 mvertex_t *data_portalpoints;
671 q3mbrush_t *data_brushes;
674 q3mbrushside_t *data_brushsides;
678 int num_pvsclusterbytes;
679 unsigned char *data_pvsclusters;
681 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
682 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
684 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
685 shadowmesh_t *shadowmesh;
687 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
688 shadowmesh_t *collisionmesh;
691 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
692 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
693 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
694 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
695 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
696 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
697 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
698 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
699 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
700 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
701 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
702 // these are actually only found on brushq1, but NULL is handled gracefully
703 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
704 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
705 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
706 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
708 char skybox[MAX_QPATH];
710 skinframe_t *solidskyskinframe;
711 skinframe_t *alphaskyskinframe;
713 qboolean supportwateralpha;
721 typedef struct model_brushq1_s
738 mclipnode_t *clipnodes;
740 hull_t hulls[MAX_MAP_HULLS];
742 int num_compressedpvs;
743 unsigned char *data_compressedpvs;
746 unsigned char *lightdata;
747 unsigned char *nmaplightdata; // deluxemap file
749 // lightmap update chains for light styles
751 model_brush_lightstyleinfo_t *data_lightstyleinfo;
753 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
754 unsigned char *lightmapupdateflags;
755 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
759 /* MSVC can't compile empty structs, so this is commented out for now
760 typedef struct model_brushq2_s
766 typedef struct model_brushq3_s
769 q3dmodel_t *data_models;
771 // used only during loading - freed after loading!
773 float *data_vertex3f;
774 float *data_normal3f;
775 float *data_texcoordtexture2f;
776 float *data_texcoordlightmap2f;
779 // freed after loading!
784 q3deffect_t *data_effects;
787 int num_originallightmaps;
788 int num_mergedlightmaps;
789 int num_lightmapmergepower;
790 int num_lightmapmerge;
791 rtexture_t **data_lightmaps;
792 rtexture_t **data_deluxemaps;
794 // voxel light data with directional shading
796 q3dlightgrid_t *data_lightgrid;
797 // size of each cell (may vary by map, typically 64 64 128)
798 float num_lightgrid_cellsize[3];
799 // 1.0 / num_lightgrid_cellsize
800 float num_lightgrid_scale[3];
801 // dimensions of the world model in lightgrid cells
802 int num_lightgrid_imins[3];
803 int num_lightgrid_imaxs[3];
804 int num_lightgrid_isize[3];
805 // transform modelspace coordinates to lightgrid index
806 matrix4x4_t num_lightgrid_indexfromworld;
808 // true if this q3bsp file has been detected as using deluxemapping
809 // (lightmap texture pairs, every odd one is never directly refernced,
810 // and contains lighting normals, not colors)
811 qboolean deluxemapping;
812 // true if the detected deluxemaps are the modelspace kind, rather than
813 // the faster tangentspace kind
814 qboolean deluxemapping_modelspace;
815 // size of lightmaps (128 by default, but may be another poweroftwo if
816 // external lightmaps are used (q3map2 -lightmapsize)
824 typedef struct model_s
826 // name and path of model, for example "progs/player.mdl"
827 char name[MAX_QPATH];
828 // model needs to be loaded if this is false
830 // set if the model is used in current map, models which are not, are purged
832 // CRC of the file this model was loaded from, to reload if changed
834 // mod_brush, mod_alias, mod_sprite
836 // memory pool for allocations
838 // all models use textures...
839 rtexturepool_t *texturepool;
840 // EF_* flags (translated from the model file's different flags layout)
842 // number of QC accessible frame(group)s in the model
844 // number of QC accessible skin(group)s in the model
846 // whether to randomize animated framegroups
848 // bounding box at angles '0 0 0'
849 vec3_t normalmins, normalmaxs;
850 // bounding box if yaw angle is not 0, but pitch and roll are
851 vec3_t yawmins, yawmaxs;
852 // bounding box if pitch or roll are used
853 vec3_t rotatedmins, rotatedmaxs;
854 // sphere radius, usable at any angles
856 // squared sphere radius for easier comparisons
858 // skin animation info
859 animscene_t *skinscenes; // [numskins]
860 // skin animation info
861 animscene_t *animscenes; // [numframes]
862 // range of surface numbers in this (sub)model
863 int firstmodelsurface;
864 int nummodelsurfaces;
865 int *sortedmodelsurfaces;
866 // range of collision brush numbers in this (sub)model
872 aliastag_t *data_tags;
873 // for skeletal models
875 aliasbone_t *data_bones;
876 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
877 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
879 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
880 float *data_baseboneposeinverse;
881 // textures of this model
883 int num_texturesperskin;
884 texture_t *data_textures;
885 // surfaces of this model
887 msurface_t *data_surfaces;
888 // optional lightmapinfo data for surface lightmap updates
889 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
890 // all surfaces belong to this mesh
892 // data type of model
893 const char *modeldatatypestring;
894 // generates vertex data for a given frameblend
895 void(*AnimateVertices)(const struct model_s *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f);
896 // draw the model's sky polygons (only used by brush models)
897 void(*DrawSky)(struct entity_render_s *ent);
898 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
899 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
900 // draw the model using lightmap/dlight shading
901 void(*Draw)(struct entity_render_s *ent);
902 // draw the model to the depth buffer (no color rendering at all)
903 void(*DrawDepth)(struct entity_render_s *ent);
904 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
905 void(*DrawDebug)(struct entity_render_s *ent);
906 // draw geometry textures for deferred rendering
907 void(*DrawPrepass)(struct entity_render_s *ent);
908 // compile an optimized shadowmap mesh for the model based on light source
909 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
910 // draw depth into a shadowmap
911 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);
912 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
913 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);
914 // compile a shadow volume for the model based on light source
915 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
916 // draw a shadow volume for the model based on light source
917 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);
918 // draw the lighting on a model (through stencil)
919 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
920 // trace a box against this model
921 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);
922 // trace a box against this model
923 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);
924 // trace a point against this model (like PointSuperContents)
925 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);
926 // find the supercontents value at a point in this model
927 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
928 // fields belonging to some types of model
929 model_sprite_t sprite;
931 model_brushq1_t brushq1;
932 /* MSVC can't handle an empty struct, so this is commented out for now
933 model_brushq2_t brushq2;
935 model_brushq3_t brushq3;
936 // flags this model for offseting sounds to the model center (used by brush models)
941 //============================================================================
944 extern dp_model_t *loadmodel;
945 extern unsigned char *mod_base;
946 // sky/water subdivision
947 //extern cvar_t gl_subdivide_size;
948 // texture fullbrights
949 extern cvar_t r_fullbrights;
951 void Mod_Init (void);
952 void Mod_Reload (void);
953 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
954 dp_model_t *Mod_FindName (const char *name, const char *parentname);
955 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
956 void Mod_UnloadModel (dp_model_t *mod);
958 void Mod_ClearUsed(void);
959 void Mod_PurgeUnused(void);
960 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
962 extern dp_model_t *loadmodel;
963 extern char loadname[32]; // for hunk tags
965 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
966 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
967 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
968 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
969 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);
971 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
972 void Mod_MakeSortedSurfaces(dp_model_t *mod);
974 // called specially by brush model loaders before generating submodels
975 // automatically called after model loader returns
976 void Mod_BuildVBOs(void);
978 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);
979 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
980 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
981 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
982 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);
983 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);
984 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
985 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
986 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
988 void Mod_CreateCollisionMesh(dp_model_t *mod);
990 void Mod_FreeQ3Shaders(void);
991 void Mod_LoadQ3Shaders(void);
992 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
993 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
995 extern cvar_t r_mipskins;
997 typedef struct skeleton_s
999 const dp_model_t *model;
1000 matrix4x4_t *relativetransforms;
1004 typedef struct skinfileitem_s
1006 struct skinfileitem_s *next;
1007 char name[MAX_QPATH];
1008 char replacement[MAX_QPATH];
1012 typedef struct skinfile_s
1014 struct skinfile_s *next;
1015 skinfileitem_t *items;
1019 skinfile_t *Mod_LoadSkinFiles(void);
1020 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1021 int Mod_CountSkinFiles(skinfile_t *skinfile);
1022 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1024 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1025 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1026 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1028 typedef struct mod_alloclightmap_row_s
1033 mod_alloclightmap_row_t;
1035 typedef struct mod_alloclightmap_state_s
1040 mod_alloclightmap_row_t *rows;
1042 mod_alloclightmap_state_t;
1044 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1045 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1046 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1047 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1050 void Mod_BrushInit(void);
1051 // used for talking to the QuakeC mainly
1052 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1053 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1055 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1056 struct entity_render_s;
1057 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1058 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1059 void R_Q1BSP_Draw(struct entity_render_s *ent);
1060 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1061 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1062 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1063 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);
1064 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1065 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);
1066 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1067 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);
1068 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1071 struct frameblend_s;
1073 void Mod_AliasInit(void);
1074 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1075 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1076 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);
1079 void Mod_SpriteInit(void);
1082 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1083 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1084 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1085 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1086 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1087 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1088 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1089 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1090 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1091 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1092 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1093 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1095 #endif // MODEL_SHARED_H