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
211 #define Q3PATHLENGTH 64
212 #define TEXTURE_MAXFRAMES 64
213 #define Q3WAVEPARMS 4
214 #define Q3DEFORM_MAXPARMS 3
215 #define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
216 #define Q3RGBGEN_MAXPARMS 3
217 #define Q3ALPHAGEN_MAXPARMS 1
218 #define Q3TCGEN_MAXPARMS 6
219 #define Q3TCMOD_MAXPARMS 6
220 #define Q3MAXTCMODS 8
221 #define Q3MAXDEFORMS 4
223 typedef enum q3wavefunc_e
226 Q3WAVEFUNC_INVERSESAWTOOTH,
236 typedef enum q3deform_e
239 Q3DEFORM_PROJECTIONSHADOW,
241 Q3DEFORM_AUTOSPRITE2,
258 typedef enum q3rgbgen_e
263 Q3RGBGEN_EXACTVERTEX,
264 Q3RGBGEN_IDENTITYLIGHTING,
265 Q3RGBGEN_LIGHTINGDIFFUSE,
266 Q3RGBGEN_ONEMINUSENTITY,
267 Q3RGBGEN_ONEMINUSVERTEX,
274 typedef enum q3alphagen_e
279 Q3ALPHAGEN_LIGHTINGSPECULAR,
280 Q3ALPHAGEN_ONEMINUSENTITY,
281 Q3ALPHAGEN_ONEMINUSVERTEX,
289 typedef enum q3tcgen_e
292 Q3TCGEN_TEXTURE, // very common
293 Q3TCGEN_ENVIRONMENT, // common
300 typedef enum q3tcmod_e
303 Q3TCMOD_ENTITYTRANSLATE,
315 typedef struct q3shaderinfo_layer_rgbgen_s
318 float parms[Q3RGBGEN_MAXPARMS];
319 q3wavefunc_t wavefunc;
320 float waveparms[Q3WAVEPARMS];
322 q3shaderinfo_layer_rgbgen_t;
324 typedef struct q3shaderinfo_layer_alphagen_s
326 q3alphagen_t alphagen;
327 float parms[Q3ALPHAGEN_MAXPARMS];
328 q3wavefunc_t wavefunc;
329 float waveparms[Q3WAVEPARMS];
331 q3shaderinfo_layer_alphagen_t;
333 typedef struct q3shaderinfo_layer_tcgen_s
336 float parms[Q3TCGEN_MAXPARMS];
338 q3shaderinfo_layer_tcgen_t;
340 typedef struct q3shaderinfo_layer_tcmod_s
343 float parms[Q3TCMOD_MAXPARMS];
344 q3wavefunc_t wavefunc;
345 float waveparms[Q3WAVEPARMS];
347 q3shaderinfo_layer_tcmod_t;
349 typedef struct q3shaderinfo_layer_s
358 q3shaderinfo_layer_rgbgen_t rgbgen;
359 q3shaderinfo_layer_alphagen_t alphagen;
360 q3shaderinfo_layer_tcgen_t tcgen;
361 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
363 q3shaderinfo_layer_t;
365 typedef struct q3shaderinfo_deform_s
368 float parms[Q3DEFORM_MAXPARMS];
369 q3wavefunc_t wavefunc;
370 float waveparms[Q3WAVEPARMS];
372 q3shaderinfo_deform_t;
374 typedef struct q3shaderinfo_s
376 char name[Q3PATHLENGTH];
377 #define Q3SHADERINFO_COMPARE_START surfaceparms
382 qboolean vertexalpha;
383 qboolean textureblendalpha;
384 int primarylayer, backgroundlayer;
385 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
386 char skyboxname[Q3PATHLENGTH];
387 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
389 // dp-specific additions:
396 char dpreflectcube[Q3PATHLENGTH];
399 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
400 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
401 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
402 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
403 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
404 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
405 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
408 float specularscalemod;
409 float specularpowermod;
410 #define Q3SHADERINFO_COMPARE_END specularpowermod
414 typedef enum texturelayertype_e
416 TEXTURELAYERTYPE_INVALID,
417 TEXTURELAYERTYPE_LITTEXTURE,
418 TEXTURELAYERTYPE_TEXTURE,
419 TEXTURELAYERTYPE_FOG,
423 typedef struct texturelayer_s
425 texturelayertype_t type;
430 matrix4x4_t texmatrix;
435 typedef struct texture_s
441 unsigned int width, height;
443 //unsigned int flags;
445 // base material flags
446 int basematerialflags;
447 // current material flags (updated each bmodel render)
448 int currentmaterialflags;
450 // PolygonOffset values for rendering this material
451 // (these are added to the r_refdef values and submodel values)
452 float biaspolygonfactor;
453 float biaspolygonoffset;
455 // textures to use when rendering this material
456 skinframe_t *currentskinframe;
459 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
460 // background layer (for terrain texture blending)
461 skinframe_t *backgroundcurrentskinframe;
462 int backgroundnumskinframes;
463 float backgroundskinframerate;
464 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
466 // total frames in sequence and alternate sequence
468 // direct pointers to each of the frames in the sequences
469 // (indexed as [alternate][frame])
470 struct texture_s *anim_frames[2][10];
471 // set if animated or there is an alternate frame set
472 // (this is an optimization in the renderer)
475 // renderer checks if this texture needs updating...
476 int update_lastrenderframe;
477 void *update_lastrenderentity;
478 // the current alpha of this texture (may be affected by r_wateralpha)
480 // the current texture frame in animation
481 struct texture_s *currentframe;
482 // current texture transform matrix (used for water scrolling)
483 matrix4x4_t currenttexmatrix;
484 matrix4x4_t currentbackgroundtexmatrix;
486 // various q3 shader features
487 q3shaderinfo_layer_rgbgen_t rgbgen;
488 q3shaderinfo_layer_alphagen_t alphagen;
489 q3shaderinfo_layer_tcgen_t tcgen;
490 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
491 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
492 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
494 qboolean colormapping;
495 rtexture_t *basetexture; // original texture without pants/shirt/glow
496 rtexture_t *pantstexture; // pants only (in greyscale)
497 rtexture_t *shirttexture; // shirt only (in greyscale)
498 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
499 rtexture_t *glosstexture; // glossmap (for dot3)
500 rtexture_t *glowtexture; // glow only (fullbrights)
501 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
502 rtexture_t *reflectmasktexture; // mask for fake reflections
503 rtexture_t *reflectcubetexture; // fake reflections cubemap
504 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
505 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
506 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
507 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
510 // color tint (colormod * currentalpha) used for rtlighting this material
511 float dlightcolor[3];
512 // color tint (colormod * 2) used for lightmapped lighting on this material
513 // includes alpha as 4th component
514 // replaces role of gl_Color in GLSL shader
515 float lightmapcolor[4];
518 int customblendfunc[2];
520 int currentnumlayers;
521 texturelayer_t currentlayers[16];
531 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
532 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
533 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
534 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
535 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
536 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
537 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
540 float specularscalemod;
541 float specularpowermod;
545 typedef struct mtexinfo_s
553 typedef struct msurface_lightmapinfo_s
555 // texture mapping properties used by this surface
556 mtexinfo_t *texinfo; // q1bsp
557 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
558 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
559 // RGB lighting data [numstyles][height][width][3]
560 unsigned char *samples; // q1bsp
561 // RGB normalmap data [numstyles][height][width][3]
562 unsigned char *nmapsamples; // q1bsp
563 // stain to apply on lightmap (soot/dirt/blood/whatever)
564 unsigned char *stainsamples; // q1bsp
565 int texturemins[2]; // q1bsp
566 int extents[2]; // q1bsp
567 int lightmaporigin[2]; // q1bsp
569 msurface_lightmapinfo_t;
572 typedef struct msurface_s
574 // bounding box for onscreen checks
577 // the texture to use on the surface
579 // the lightmap texture fragment to use on the rendering mesh
580 rtexture_t *lightmaptexture;
581 // the lighting direction texture fragment to use on the rendering mesh
582 rtexture_t *deluxemaptexture;
583 // lightmaptexture rebuild information not used in q3bsp
584 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
585 // fog volume info in q3bsp
586 struct q3deffect_s *effect; // q3bsp
587 // mesh information for collisions (only used by q3bsp curves)
588 int num_firstcollisiontriangle;
589 int *deprecatedq3data_collisionelement3i; // q3bsp
590 float *deprecatedq3data_collisionvertex3f; // q3bsp
591 float *deprecatedq3data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
592 float *deprecatedq3data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
594 // surfaces own ranges of vertices and triangles in the model->surfmesh
595 int num_triangles; // number of triangles
596 int num_firsttriangle; // first triangle
597 int num_vertices; // number of vertices
598 int num_firstvertex; // first vertex
600 // shadow volume building information
601 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
603 // mesh information for collisions (only used by q3bsp curves)
604 int num_collisiontriangles; // q3bsp
605 int num_collisionvertices; // q3bsp
606 int deprecatedq3num_collisionbboxstride;
607 int deprecatedq3num_bboxstride;
608 // FIXME: collisionmarkframe should be kept in a separate array
609 int deprecatedq3collisionmarkframe; // q3bsp // don't collide twice in one trace
613 #include "matrixlib.h"
616 #include "model_brush.h"
617 #include "model_sprite.h"
618 #include "model_alias.h"
620 typedef struct model_sprite_s
623 mspriteframe_t *sprdata_frames;
629 typedef struct model_brush_lightstyleinfo_s
636 model_brush_lightstyleinfo_t;
638 typedef struct model_brush_s
640 // true if this model is a HalfLife .bsp file
642 // string of entity definitions (.map format)
645 // if not NULL this is a submodel
646 struct model_s *parentmodel;
647 // (this is the number of the submodel, an index into submodels)
650 // number of submodels in this map (just used by server to know how many
651 // submodels to load)
653 // pointers to each of the submodels
654 struct model_s **submodels;
657 mplane_t *data_planes;
662 // visible leafs, not counting 0 (solid)
664 // number of actual leafs (including 0 which is solid)
669 int *data_leafbrushes;
671 int num_leafsurfaces;
672 int *data_leafsurfaces;
675 mportal_t *data_portals;
677 int num_portalpoints;
678 mvertex_t *data_portalpoints;
681 q3mbrush_t *data_brushes;
684 q3mbrushside_t *data_brushsides;
688 int num_pvsclusterbytes;
689 unsigned char *data_pvsclusters;
691 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
692 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
694 // collision geometry for q3 curves
695 int num_collisionvertices;
696 int num_collisiontriangles;
697 float *data_collisionvertex3f;
698 int *data_collisionelement3i;
700 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
701 shadowmesh_t *shadowmesh;
703 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
704 shadowmesh_t *collisionmesh;
707 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
708 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
709 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
710 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
711 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
712 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
713 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
714 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
715 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
716 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
717 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
718 // these are actually only found on brushq1, but NULL is handled gracefully
719 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
720 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
721 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
722 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
724 char skybox[MAX_QPATH];
726 skinframe_t *solidskyskinframe;
727 skinframe_t *alphaskyskinframe;
729 qboolean supportwateralpha;
737 typedef struct model_brushq1_s
754 mclipnode_t *clipnodes;
756 hull_t hulls[MAX_MAP_HULLS];
758 int num_compressedpvs;
759 unsigned char *data_compressedpvs;
762 unsigned char *lightdata;
763 unsigned char *nmaplightdata; // deluxemap file
765 // lightmap update chains for light styles
767 model_brush_lightstyleinfo_t *data_lightstyleinfo;
769 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
770 unsigned char *lightmapupdateflags;
771 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
775 /* MSVC can't compile empty structs, so this is commented out for now
776 typedef struct model_brushq2_s
782 typedef struct model_brushq3_s
785 q3dmodel_t *data_models;
787 // used only during loading - freed after loading!
789 float *data_vertex3f;
790 float *data_normal3f;
791 float *data_texcoordtexture2f;
792 float *data_texcoordlightmap2f;
795 // freed after loading!
800 q3deffect_t *data_effects;
803 int num_originallightmaps;
804 int num_mergedlightmaps;
805 int num_lightmapmergepower;
806 int num_lightmapmerge;
807 rtexture_t **data_lightmaps;
808 rtexture_t **data_deluxemaps;
810 // voxel light data with directional shading
812 q3dlightgrid_t *data_lightgrid;
813 // size of each cell (may vary by map, typically 64 64 128)
814 float num_lightgrid_cellsize[3];
815 // 1.0 / num_lightgrid_cellsize
816 float num_lightgrid_scale[3];
817 // dimensions of the world model in lightgrid cells
818 int num_lightgrid_imins[3];
819 int num_lightgrid_imaxs[3];
820 int num_lightgrid_isize[3];
821 // transform modelspace coordinates to lightgrid index
822 matrix4x4_t num_lightgrid_indexfromworld;
824 // true if this q3bsp file has been detected as using deluxemapping
825 // (lightmap texture pairs, every odd one is never directly refernced,
826 // and contains lighting normals, not colors)
827 qboolean deluxemapping;
828 // true if the detected deluxemaps are the modelspace kind, rather than
829 // the faster tangentspace kind
830 qboolean deluxemapping_modelspace;
831 // size of lightmaps (128 by default, but may be another poweroftwo if
832 // external lightmaps are used (q3map2 -lightmapsize)
840 typedef struct model_s
842 // name and path of model, for example "progs/player.mdl"
843 char name[MAX_QPATH];
844 // model needs to be loaded if this is false
846 // set if the model is used in current map, models which are not, are purged
848 // CRC of the file this model was loaded from, to reload if changed
850 // mod_brush, mod_alias, mod_sprite
852 // memory pool for allocations
854 // all models use textures...
855 rtexturepool_t *texturepool;
856 // EF_* flags (translated from the model file's different flags layout)
858 // number of QC accessible frame(group)s in the model
860 // number of QC accessible skin(group)s in the model
862 // whether to randomize animated framegroups
864 // bounding box at angles '0 0 0'
865 vec3_t normalmins, normalmaxs;
866 // bounding box if yaw angle is not 0, but pitch and roll are
867 vec3_t yawmins, yawmaxs;
868 // bounding box if pitch or roll are used
869 vec3_t rotatedmins, rotatedmaxs;
870 // sphere radius, usable at any angles
872 // squared sphere radius for easier comparisons
874 // skin animation info
875 animscene_t *skinscenes; // [numskins]
876 // skin animation info
877 animscene_t *animscenes; // [numframes]
878 // range of surface numbers in this (sub)model
879 int firstmodelsurface;
880 int nummodelsurfaces;
881 int *sortedmodelsurfaces;
882 // range of collision brush numbers in this (sub)model
885 // BIH (Bounding Interval Hierarchy) for this (sub)model
890 aliastag_t *data_tags;
891 // for skeletal models
893 aliasbone_t *data_bones;
894 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
895 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
897 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
898 float *data_baseboneposeinverse;
899 // textures of this model
901 int num_texturesperskin;
902 texture_t *data_textures;
903 qboolean wantnormals;
904 qboolean wanttangents;
905 // surfaces of this model
907 msurface_t *data_surfaces;
908 // optional lightmapinfo data for surface lightmap updates
909 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
910 // all surfaces belong to this mesh
912 // data type of model
913 const char *modeldatatypestring;
914 // generates vertex data for a given frameblend
915 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);
916 // draw the model's sky polygons (only used by brush models)
917 void(*DrawSky)(struct entity_render_s *ent);
918 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
919 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
920 // draw the model using lightmap/dlight shading
921 void(*Draw)(struct entity_render_s *ent);
922 // draw the model to the depth buffer (no color rendering at all)
923 void(*DrawDepth)(struct entity_render_s *ent);
924 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
925 void(*DrawDebug)(struct entity_render_s *ent);
926 // draw geometry textures for deferred rendering
927 void(*DrawPrepass)(struct entity_render_s *ent);
928 // compile an optimized shadowmap mesh for the model based on light source
929 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
930 // draw depth into a shadowmap
931 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);
932 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
933 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);
934 // compile a shadow volume for the model based on light source
935 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
936 // draw a shadow volume for the model based on light source
937 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);
938 // draw the lighting on a model (through stencil)
939 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
940 // trace a box against this model
941 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);
942 // trace a box against this model
943 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);
944 // trace a point against this model (like PointSuperContents)
945 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);
946 // find the supercontents value at a point in this model
947 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
948 // fields belonging to some types of model
949 model_sprite_t sprite;
951 model_brushq1_t brushq1;
952 /* MSVC can't handle an empty struct, so this is commented out for now
953 model_brushq2_t brushq2;
955 model_brushq3_t brushq3;
956 // flags this model for offseting sounds to the model center (used by brush models)
961 //============================================================================
964 extern dp_model_t *loadmodel;
965 extern unsigned char *mod_base;
966 // sky/water subdivision
967 //extern cvar_t gl_subdivide_size;
968 // texture fullbrights
969 extern cvar_t r_fullbrights;
971 void Mod_Init (void);
972 void Mod_Reload (void);
973 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
974 dp_model_t *Mod_FindName (const char *name, const char *parentname);
975 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
976 void Mod_UnloadModel (dp_model_t *mod);
978 void Mod_ClearUsed(void);
979 void Mod_PurgeUnused(void);
980 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
982 extern dp_model_t *loadmodel;
983 extern char loadname[32]; // for hunk tags
985 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
986 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
987 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
988 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
989 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);
991 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
992 void Mod_MakeSortedSurfaces(dp_model_t *mod);
994 // called specially by brush model loaders before generating submodels
995 // automatically called after model loader returns
996 void Mod_BuildVBOs(void);
998 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);
999 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
1000 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
1001 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
1002 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);
1003 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);
1004 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
1005 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
1006 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
1008 void Mod_CreateCollisionMesh(dp_model_t *mod);
1010 void Mod_FreeQ3Shaders(void);
1011 void Mod_LoadQ3Shaders(void);
1012 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
1013 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
1015 extern cvar_t r_mipskins;
1017 typedef struct skeleton_s
1019 const dp_model_t *model;
1020 matrix4x4_t *relativetransforms;
1024 typedef struct skinfileitem_s
1026 struct skinfileitem_s *next;
1027 char name[MAX_QPATH];
1028 char replacement[MAX_QPATH];
1032 typedef struct skinfile_s
1034 struct skinfile_s *next;
1035 skinfileitem_t *items;
1039 skinfile_t *Mod_LoadSkinFiles(void);
1040 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1041 int Mod_CountSkinFiles(skinfile_t *skinfile);
1042 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1044 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1045 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1046 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1048 typedef struct mod_alloclightmap_row_s
1053 mod_alloclightmap_row_t;
1055 typedef struct mod_alloclightmap_state_s
1060 mod_alloclightmap_row_t *rows;
1062 mod_alloclightmap_state_t;
1064 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1065 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1066 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1067 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1070 void Mod_BrushInit(void);
1071 // used for talking to the QuakeC mainly
1072 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1073 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1075 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1076 struct entity_render_s;
1077 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1078 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1079 void R_Q1BSP_Draw(struct entity_render_s *ent);
1080 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1081 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1082 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1083 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);
1084 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1085 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);
1086 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1087 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);
1088 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1090 // Collision optimization using Bounding Interval Hierarchy
1091 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);
1092 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);
1093 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);
1094 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);
1095 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
1096 void Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces);
1099 struct frameblend_s;
1101 void Mod_AliasInit(void);
1102 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1103 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1104 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);
1106 void Mod_Skeletal_FreeBuffers(void);
1109 void Mod_SpriteInit(void);
1112 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1113 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1114 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1115 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1116 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1117 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1118 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1119 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1120 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1121 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1122 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1123 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1125 #endif // MODEL_SHARED_H