2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #ifndef MODEL_SHARED_H
22 #define MODEL_SHARED_H
24 typedef enum synctype_e {ST_SYNC=0, ST_RAND } synctype_t;
28 d*_t structures are on-disk representations
29 m*_t structures are in-memory
33 typedef enum modtype_e {mod_invalid, mod_brushq1, mod_sprite, mod_alias, mod_brushq2, mod_brushq3, mod_obj, mod_null} modtype_t;
35 typedef struct animscene_s
37 char name[32]; // for viewthing support
40 int loop; // true or false
45 typedef struct skinframe_s
47 rtexture_t *stain; // inverse modulate with background (used for decals and such)
48 rtexture_t *merged; // original texture without glow
49 rtexture_t *base; // original texture without pants/shirt/glow
50 rtexture_t *pants; // pants only (in greyscale)
51 rtexture_t *shirt; // shirt only (in greyscale)
52 rtexture_t *nmap; // normalmap (bumpmap for dot3)
53 rtexture_t *gloss; // glossmap (for dot3)
54 rtexture_t *glow; // glow only (fullbrights)
55 rtexture_t *fog; // alpha of the base texture (if not opaque)
56 rtexture_t *reflect; // colored mask for cubemap reflections
57 // accounting data for hash searches:
58 // the compare variables are used to identify internal skins from certain
60 // (so that two q1bsp maps with the same texture name for different
61 // textures do not have any conflicts)
62 struct skinframe_s *next; // next on hash chain
63 char basename[MAX_QPATH]; // name of this
64 int textureflags; // texture flags to use
68 // mark and sweep garbage collection, this value is updated to a new value
69 // on each level change for the used skinframes, if some are not used they
72 // indicates whether this texture has transparent pixels
74 // average texture color, if applicable
76 // for mdl skins, we actually only upload on first use (many are never used, and they are almost never used in both base+pants+shirt and merged modes)
77 unsigned char *qpixels;
80 qboolean qhascolormapping;
81 qboolean qgeneratebase;
82 qboolean qgeneratemerged;
83 qboolean qgeneratenmap;
84 qboolean qgenerateglow;
90 typedef struct texvecvertex_s
97 typedef struct blendweights_s
99 unsigned char index[4];
100 unsigned char influence[4];
104 typedef struct r_vertexposition_s
111 typedef struct r_vertexgeneric_s
115 unsigned char color4ub[4];
120 typedef struct r_vertexmesh_s
124 unsigned char color4ub[4];
125 float texcoordtexture2f[2];
126 float texcoordlightmap2f[2];
133 typedef struct r_meshbuffer_s
135 int bufferobject; // OpenGL
136 void *devicebuffer; // Direct3D
138 qboolean isindexbuffer;
141 char name[MAX_QPATH];
145 // used for mesh lists in q1bsp/q3bsp map models
146 // (the surfaces reference portions of these meshes)
147 typedef struct surfmesh_s
149 // triangle data in system memory
150 int num_triangles; // number of triangles in the mesh
151 int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
152 r_meshbuffer_t *data_element3i_indexbuffer;
153 size_t data_element3i_bufferoffset;
154 unsigned short *data_element3s; // unsigned short[tris*3] triangles of the mesh in unsigned short format (NULL if num_vertices > 65536)
155 r_meshbuffer_t *data_element3s_indexbuffer;
156 size_t data_element3s_bufferoffset;
157 int *data_neighbor3i; // int[tris*3] neighboring triangle on each edge (-1 if none)
158 // vertex data in system memory
159 int num_vertices; // number of vertices in the mesh
160 float *data_vertex3f; // float[verts*3] vertex locations
161 float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
162 float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
163 float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
164 float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
165 float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
166 float *data_lightmapcolor4f;
167 int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
168 // vertex buffer object (stores geometry in video memory)
169 r_meshbuffer_t *vbo_vertexbuffer;
170 size_t vbooffset_vertex3f;
171 size_t vbooffset_svector3f;
172 size_t vbooffset_tvector3f;
173 size_t vbooffset_normal3f;
174 size_t vbooffset_texcoordtexture2f;
175 size_t vbooffset_texcoordlightmap2f;
176 size_t vbooffset_lightmapcolor4f;
177 // morph blending, these are zero if model is skeletal or static
179 struct md3vertex_s *data_morphmd3vertex;
180 struct trivertx_s *data_morphmdlvertex;
181 struct texvecvertex_s *data_morphtexvecvertex;
182 float *data_morphmd2framesize6f;
183 float num_morphmdlframescale[3];
184 float num_morphmdlframetranslate[3];
185 // skeletal blending, these are NULL if model is morph or static
186 struct blendweights_s *data_blendweights;
188 unsigned short *blends;
189 // set if there is some kind of animation on this model
192 // vertex and index buffers for rendering
193 r_vertexposition_t *vertexposition;
194 r_vertexmesh_t *vertexmesh;
195 r_meshbuffer_t *vertexpositionbuffer;
196 r_meshbuffer_t *vertexmeshbuffer;
200 #define SHADOWMESHVERTEXHASH 1024
201 typedef struct shadowmeshvertexhash_s
203 struct shadowmeshvertexhash_s *next;
205 shadowmeshvertexhash_t;
207 typedef struct shadowmesh_s
209 // next mesh in chain
210 struct shadowmesh_s *next;
211 // used for light mesh (NULL on shadow mesh)
212 rtexture_t *map_diffuse;
213 rtexture_t *map_specular;
214 rtexture_t *map_normal;
216 int numverts, maxverts;
217 int numtriangles, maxtriangles;
220 // used for light mesh (NULL on shadow mesh)
227 r_meshbuffer_t *element3i_indexbuffer;
228 size_t element3i_bufferoffset;
229 unsigned short *element3s;
230 r_meshbuffer_t *element3s_indexbuffer;
231 size_t element3s_bufferoffset;
232 // used for shadow mapping cubemap side partitioning
233 int sideoffsets[6], sidetotals[6];
234 // used for shadow mesh (NULL on light mesh)
236 // these are NULL after Mod_ShadowMesh_Finish is performed, only used
237 // while building meshes
238 shadowmeshvertexhash_t **vertexhashtable, *vertexhashentries;
239 r_meshbuffer_t *vbo_vertexbuffer;
240 size_t vbooffset_vertex3f;
241 size_t vbooffset_svector3f;
242 size_t vbooffset_tvector3f;
243 size_t vbooffset_normal3f;
244 size_t vbooffset_texcoord2f;
245 // vertex/index buffers for rendering
246 // (created by Mod_ShadowMesh_Finish if possible)
247 r_vertexposition_t *vertexposition;
248 r_vertexmesh_t *vertexmesh; // usually NULL
249 r_meshbuffer_t *vertexpositionbuffer;
250 r_meshbuffer_t *vertexmeshbuffer; // usually NULL
254 // various flags from shaders, used for special effects not otherwise classified
255 // TODO: support these features more directly
256 #define Q3TEXTUREFLAG_TWOSIDED 1
257 #define Q3TEXTUREFLAG_NOPICMIP 16
258 #define Q3TEXTUREFLAG_POLYGONOFFSET 32
259 #define Q3TEXTUREFLAG_REFRACTION 256
260 #define Q3TEXTUREFLAG_REFLECTION 512
261 #define Q3TEXTUREFLAG_WATERSHADER 1024
262 #define Q3TEXTUREFLAG_CAMERA 2048
264 #define Q3PATHLENGTH 64
265 #define TEXTURE_MAXFRAMES 64
266 #define Q3WAVEPARMS 4
267 #define Q3DEFORM_MAXPARMS 3
268 #define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
269 #define Q3RGBGEN_MAXPARMS 3
270 #define Q3ALPHAGEN_MAXPARMS 1
271 #define Q3TCGEN_MAXPARMS 6
272 #define Q3TCMOD_MAXPARMS 6
273 #define Q3MAXTCMODS 8
274 #define Q3MAXDEFORMS 4
276 typedef enum q3wavefunc_e
279 Q3WAVEFUNC_INVERSESAWTOOTH,
288 typedef int q3wavefunc_t;
289 #define Q3WAVEFUNC_USER_COUNT 4
290 #define Q3WAVEFUNC_USER_SHIFT 8 // use 8 bits for wave func type
292 typedef enum q3deform_e
295 Q3DEFORM_PROJECTIONSHADOW,
297 Q3DEFORM_AUTOSPRITE2,
314 typedef enum q3rgbgen_e
319 Q3RGBGEN_EXACTVERTEX,
320 Q3RGBGEN_IDENTITYLIGHTING,
321 Q3RGBGEN_LIGHTINGDIFFUSE,
322 Q3RGBGEN_ONEMINUSENTITY,
323 Q3RGBGEN_ONEMINUSVERTEX,
330 typedef enum q3alphagen_e
335 Q3ALPHAGEN_LIGHTINGSPECULAR,
336 Q3ALPHAGEN_ONEMINUSENTITY,
337 Q3ALPHAGEN_ONEMINUSVERTEX,
345 typedef enum q3tcgen_e
348 Q3TCGEN_TEXTURE, // very common
349 Q3TCGEN_ENVIRONMENT, // common
356 typedef enum q3tcmod_e
359 Q3TCMOD_ENTITYTRANSLATE,
371 typedef struct q3shaderinfo_layer_rgbgen_s
374 float parms[Q3RGBGEN_MAXPARMS];
375 q3wavefunc_t wavefunc;
376 float waveparms[Q3WAVEPARMS];
378 q3shaderinfo_layer_rgbgen_t;
380 typedef struct q3shaderinfo_layer_alphagen_s
382 q3alphagen_t alphagen;
383 float parms[Q3ALPHAGEN_MAXPARMS];
384 q3wavefunc_t wavefunc;
385 float waveparms[Q3WAVEPARMS];
387 q3shaderinfo_layer_alphagen_t;
389 typedef struct q3shaderinfo_layer_tcgen_s
392 float parms[Q3TCGEN_MAXPARMS];
394 q3shaderinfo_layer_tcgen_t;
396 typedef struct q3shaderinfo_layer_tcmod_s
399 float parms[Q3TCMOD_MAXPARMS];
400 q3wavefunc_t wavefunc;
401 float waveparms[Q3WAVEPARMS];
403 q3shaderinfo_layer_tcmod_t;
405 typedef struct q3shaderinfo_layer_s
414 q3shaderinfo_layer_rgbgen_t rgbgen;
415 q3shaderinfo_layer_alphagen_t alphagen;
416 q3shaderinfo_layer_tcgen_t tcgen;
417 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
419 q3shaderinfo_layer_t;
421 typedef struct q3shaderinfo_deform_s
424 float parms[Q3DEFORM_MAXPARMS];
425 q3wavefunc_t wavefunc;
426 float waveparms[Q3WAVEPARMS];
428 q3shaderinfo_deform_t;
430 typedef enum dpoffsetmapping_technique_s
432 OFFSETMAPPING_OFF, // none
433 OFFSETMAPPING_DEFAULT, // cvar-set
434 OFFSETMAPPING_LINEAR, // linear
435 OFFSETMAPPING_RELIEF // relief
436 }dpoffsetmapping_technique_t;
439 typedef struct q3shaderinfo_s
441 char name[Q3PATHLENGTH];
442 #define Q3SHADERINFO_COMPARE_START surfaceparms
447 qboolean vertexalpha;
448 qboolean textureblendalpha;
449 int primarylayer, backgroundlayer;
450 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
451 char skyboxname[Q3PATHLENGTH];
452 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
454 // dp-specific additions:
460 // add collisions to all triangles of the surface
461 qboolean dpmeshcollisions;
464 char dpreflectcube[Q3PATHLENGTH];
467 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
468 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
469 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
470 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
471 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
472 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
473 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
476 dpoffsetmapping_technique_t offsetmapping;
480 float specularscalemod;
481 float specularpowermod;
482 #define Q3SHADERINFO_COMPARE_END specularpowermod
486 typedef enum texturelayertype_e
488 TEXTURELAYERTYPE_INVALID,
489 TEXTURELAYERTYPE_LITTEXTURE,
490 TEXTURELAYERTYPE_TEXTURE,
495 typedef struct texturelayer_s
497 texturelayertype_t type;
502 matrix4x4_t texmatrix;
507 typedef struct texture_s
513 unsigned int width, height;
515 //unsigned int flags;
517 // base material flags
518 int basematerialflags;
519 // current material flags (updated each bmodel render)
520 int currentmaterialflags;
522 // PolygonOffset values for rendering this material
523 // (these are added to the r_refdef values and submodel values)
524 float biaspolygonfactor;
525 float biaspolygonoffset;
527 // textures to use when rendering this material
528 skinframe_t *currentskinframe;
531 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
532 // background layer (for terrain texture blending)
533 skinframe_t *backgroundcurrentskinframe;
534 int backgroundnumskinframes;
535 float backgroundskinframerate;
536 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
538 // total frames in sequence and alternate sequence
540 // direct pointers to each of the frames in the sequences
541 // (indexed as [alternate][frame])
542 struct texture_s *anim_frames[2][10];
543 // set if animated or there is an alternate frame set
544 // (this is an optimization in the renderer)
547 // renderer checks if this texture needs updating...
548 int update_lastrenderframe;
549 void *update_lastrenderentity;
550 // the current alpha of this texture (may be affected by r_wateralpha)
552 // the current texture frame in animation
553 struct texture_s *currentframe;
554 // current texture transform matrix (used for water scrolling)
555 matrix4x4_t currenttexmatrix;
556 matrix4x4_t currentbackgroundtexmatrix;
558 // various q3 shader features
559 q3shaderinfo_layer_rgbgen_t rgbgen;
560 q3shaderinfo_layer_alphagen_t alphagen;
561 q3shaderinfo_layer_tcgen_t tcgen;
562 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
563 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
564 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
566 qboolean colormapping;
567 rtexture_t *basetexture; // original texture without pants/shirt/glow
568 rtexture_t *pantstexture; // pants only (in greyscale)
569 rtexture_t *shirttexture; // shirt only (in greyscale)
570 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
571 rtexture_t *glosstexture; // glossmap (for dot3)
572 rtexture_t *glowtexture; // glow only (fullbrights)
573 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
574 rtexture_t *reflectmasktexture; // mask for fake reflections
575 rtexture_t *reflectcubetexture; // fake reflections cubemap
576 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
577 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
578 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
579 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
582 // color tint (colormod * currentalpha) used for rtlighting this material
583 float dlightcolor[3];
584 // color tint (colormod * 2) used for lightmapped lighting on this material
585 // includes alpha as 4th component
586 // replaces role of gl_Color in GLSL shader
587 float lightmapcolor[4];
590 int customblendfunc[2];
592 int currentnumlayers;
593 texturelayer_t currentlayers[16];
603 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
604 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
605 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
606 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
607 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
608 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
609 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
610 int camera_entity; // entity number for use by cameras
613 dpoffsetmapping_technique_t offsetmapping;
617 float specularscalemod;
618 float specularpowermod;
622 typedef struct mtexinfo_s
630 typedef struct msurface_lightmapinfo_s
632 // texture mapping properties used by this surface
633 mtexinfo_t *texinfo; // q1bsp
634 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
635 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
636 // RGB lighting data [numstyles][height][width][3]
637 unsigned char *samples; // q1bsp
638 // RGB normalmap data [numstyles][height][width][3]
639 unsigned char *nmapsamples; // q1bsp
640 // stain to apply on lightmap (soot/dirt/blood/whatever)
641 unsigned char *stainsamples; // q1bsp
642 int texturemins[2]; // q1bsp
643 int extents[2]; // q1bsp
644 int lightmaporigin[2]; // q1bsp
646 msurface_lightmapinfo_t;
649 typedef struct msurface_s
651 // bounding box for onscreen checks
654 // the texture to use on the surface
656 // the lightmap texture fragment to use on the rendering mesh
657 rtexture_t *lightmaptexture;
658 // the lighting direction texture fragment to use on the rendering mesh
659 rtexture_t *deluxemaptexture;
660 // lightmaptexture rebuild information not used in q3bsp
661 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
662 // fog volume info in q3bsp
663 struct q3deffect_s *effect; // q3bsp
664 // mesh information for collisions (only used by q3bsp curves)
665 int num_firstcollisiontriangle;
666 int *deprecatedq3data_collisionelement3i; // q3bsp
667 float *deprecatedq3data_collisionvertex3f; // q3bsp
668 float *deprecatedq3data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
669 float *deprecatedq3data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
671 // surfaces own ranges of vertices and triangles in the model->surfmesh
672 int num_triangles; // number of triangles
673 int num_firsttriangle; // first triangle
674 int num_vertices; // number of vertices
675 int num_firstvertex; // first vertex
677 // shadow volume building information
678 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
680 // mesh information for collisions (only used by q3bsp curves)
681 int num_collisiontriangles; // q3bsp
682 int num_collisionvertices; // q3bsp
683 int deprecatedq3num_collisionbboxstride;
684 int deprecatedq3num_bboxstride;
685 // FIXME: collisionmarkframe should be kept in a separate array
686 int deprecatedq3collisionmarkframe; // q3bsp // don't collide twice in one trace
690 #include "matrixlib.h"
693 #include "model_brush.h"
694 #include "model_sprite.h"
695 #include "model_alias.h"
697 typedef struct model_sprite_s
700 mspriteframe_t *sprdata_frames;
706 typedef struct model_brush_lightstyleinfo_s
713 model_brush_lightstyleinfo_t;
715 typedef struct model_brush_s
717 // true if this model is a HalfLife .bsp file
719 // string of entity definitions (.map format)
722 // if not NULL this is a submodel
723 struct model_s *parentmodel;
724 // (this is the number of the submodel, an index into submodels)
727 // number of submodels in this map (just used by server to know how many
728 // submodels to load)
730 // pointers to each of the submodels
731 struct model_s **submodels;
734 mplane_t *data_planes;
739 // visible leafs, not counting 0 (solid)
741 // number of actual leafs (including 0 which is solid)
746 int *data_leafbrushes;
748 int num_leafsurfaces;
749 int *data_leafsurfaces;
752 mportal_t *data_portals;
754 int num_portalpoints;
755 mvertex_t *data_portalpoints;
758 q3mbrush_t *data_brushes;
761 q3mbrushside_t *data_brushsides;
765 int num_pvsclusterbytes;
766 unsigned char *data_pvsclusters;
768 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
769 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
771 // collision geometry for q3 curves
772 int num_collisionvertices;
773 int num_collisiontriangles;
774 float *data_collisionvertex3f;
775 int *data_collisionelement3i;
777 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
778 shadowmesh_t *shadowmesh;
780 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
781 shadowmesh_t *collisionmesh;
784 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
785 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
786 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
787 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
788 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
789 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
790 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
791 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
792 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
793 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
794 mleaf_t *(*PointInLeaf)(struct model_s *model, const float *p);
795 // these are actually only found on brushq1, but NULL is handled gracefully
796 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
797 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
798 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
799 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
801 char skybox[MAX_QPATH];
803 skinframe_t *solidskyskinframe;
804 skinframe_t *alphaskyskinframe;
806 qboolean supportwateralpha;
814 typedef struct model_brushq1_s
831 mclipnode_t *clipnodes;
833 hull_t hulls[MAX_MAP_HULLS];
835 int num_compressedpvs;
836 unsigned char *data_compressedpvs;
839 unsigned char *lightdata;
840 unsigned char *nmaplightdata; // deluxemap file
842 // lightmap update chains for light styles
844 model_brush_lightstyleinfo_t *data_lightstyleinfo;
846 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
847 unsigned char *lightmapupdateflags;
848 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
852 /* MSVC can't compile empty structs, so this is commented out for now
853 typedef struct model_brushq2_s
859 typedef struct model_brushq3_s
862 q3dmodel_t *data_models;
864 // used only during loading - freed after loading!
866 float *data_vertex3f;
867 float *data_normal3f;
868 float *data_texcoordtexture2f;
869 float *data_texcoordlightmap2f;
872 // freed after loading!
877 q3deffect_t *data_effects;
880 int num_originallightmaps;
881 int num_mergedlightmaps;
882 int num_lightmapmergedwidthpower;
883 int num_lightmapmergedheightpower;
884 int num_lightmapmergedwidthheightdeluxepower;
885 int num_lightmapmerge;
886 rtexture_t **data_lightmaps;
887 rtexture_t **data_deluxemaps;
889 // voxel light data with directional shading
891 q3dlightgrid_t *data_lightgrid;
892 // size of each cell (may vary by map, typically 64 64 128)
893 float num_lightgrid_cellsize[3];
894 // 1.0 / num_lightgrid_cellsize
895 float num_lightgrid_scale[3];
896 // dimensions of the world model in lightgrid cells
897 int num_lightgrid_imins[3];
898 int num_lightgrid_imaxs[3];
899 int num_lightgrid_isize[3];
900 // transform modelspace coordinates to lightgrid index
901 matrix4x4_t num_lightgrid_indexfromworld;
903 // true if this q3bsp file has been detected as using deluxemapping
904 // (lightmap texture pairs, every odd one is never directly refernced,
905 // and contains lighting normals, not colors)
906 qboolean deluxemapping;
907 // true if the detected deluxemaps are the modelspace kind, rather than
908 // the faster tangentspace kind
909 qboolean deluxemapping_modelspace;
910 // size of lightmaps (128 by default, but may be another poweroftwo if
911 // external lightmaps are used (q3map2 -lightmapsize)
919 typedef struct model_s
921 // name and path of model, for example "progs/player.mdl"
922 char name[MAX_QPATH];
923 // model needs to be loaded if this is false
925 // set if the model is used in current map, models which are not, are purged
927 // CRC of the file this model was loaded from, to reload if changed
929 // mod_brush, mod_alias, mod_sprite
931 // memory pool for allocations
933 // all models use textures...
934 rtexturepool_t *texturepool;
935 // EF_* flags (translated from the model file's different flags layout)
937 // number of QC accessible frame(group)s in the model
939 // number of QC accessible skin(group)s in the model
941 // whether to randomize animated framegroups
943 // bounding box at angles '0 0 0'
944 vec3_t normalmins, normalmaxs;
945 // bounding box if yaw angle is not 0, but pitch and roll are
946 vec3_t yawmins, yawmaxs;
947 // bounding box if pitch or roll are used
948 vec3_t rotatedmins, rotatedmaxs;
949 // sphere radius, usable at any angles
951 // squared sphere radius for easier comparisons
953 // skin animation info
954 animscene_t *skinscenes; // [numskins]
955 // skin animation info
956 animscene_t *animscenes; // [numframes]
957 // range of surface numbers in this (sub)model
958 int firstmodelsurface;
959 int nummodelsurfaces;
960 int *sortedmodelsurfaces;
961 // range of collision brush numbers in this (sub)model
964 // BIH (Bounding Interval Hierarchy) for this (sub)model
966 bih_t render_bih; // if not set, use collision_bih instead for rendering purposes too
970 aliastag_t *data_tags;
971 // for skeletal models
973 aliasbone_t *data_bones;
974 float num_posescale; // scaling factor from origin in poses6s format (includes divide by 32767)
975 float num_poseinvscale; // scaling factor to origin in poses6s format (includes multiply by 32767)
977 short *data_poses6s; // origin xyz, quat xyz, w implied negative, unit length, values normalized to +/-32767 range
978 float *data_baseboneposeinverse;
979 // textures of this model
981 int num_texturesperskin;
982 texture_t *data_textures;
983 qboolean wantnormals;
984 qboolean wanttangents;
985 // surfaces of this model
987 msurface_t *data_surfaces;
988 // optional lightmapinfo data for surface lightmap updates
989 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
990 // all surfaces belong to this mesh
992 // data type of model
993 const char *modeldatatypestring;
994 // generates vertex data for a given frameblend
995 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);
996 // draw the model's sky polygons (only used by brush models)
997 void(*DrawSky)(struct entity_render_s *ent);
998 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
999 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
1000 // draw the model using lightmap/dlight shading
1001 void(*Draw)(struct entity_render_s *ent);
1002 // draw the model to the depth buffer (no color rendering at all)
1003 void(*DrawDepth)(struct entity_render_s *ent);
1004 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
1005 void(*DrawDebug)(struct entity_render_s *ent);
1006 // draw geometry textures for deferred rendering
1007 void(*DrawPrepass)(struct entity_render_s *ent);
1008 // compile an optimized shadowmap mesh for the model based on light source
1009 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1010 // draw depth into a shadowmap
1011 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);
1012 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
1013 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);
1014 // compile a shadow volume for the model based on light source
1015 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1016 // draw a shadow volume for the model based on light source
1017 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);
1018 // draw the lighting on a model (through stencil)
1019 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1020 // trace a box against this model
1021 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);
1022 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);
1023 // trace a box against this model
1024 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);
1025 // trace a point against this model (like PointSuperContents)
1026 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);
1027 // find the supercontents value at a point in this model
1028 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
1029 // fields belonging to some types of model
1030 model_sprite_t sprite;
1031 model_brush_t brush;
1032 model_brushq1_t brushq1;
1033 /* MSVC can't handle an empty struct, so this is commented out for now
1034 model_brushq2_t brushq2;
1036 model_brushq3_t brushq3;
1037 // flags this model for offseting sounds to the model center (used by brush models)
1038 int soundfromcenter;
1040 // if set, the model contains light information (lightmap, or vertexlight)
1045 //============================================================================
1048 extern dp_model_t *loadmodel;
1049 extern unsigned char *mod_base;
1050 // sky/water subdivision
1051 //extern cvar_t gl_subdivide_size;
1052 // texture fullbrights
1053 extern cvar_t r_fullbrights;
1055 void Mod_Init (void);
1056 void Mod_Reload (void);
1057 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
1058 dp_model_t *Mod_FindName (const char *name, const char *parentname);
1059 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
1060 void Mod_UnloadModel (dp_model_t *mod);
1062 void Mod_ClearUsed(void);
1063 void Mod_PurgeUnused(void);
1064 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
1066 extern dp_model_t *loadmodel;
1067 extern char loadname[32]; // for hunk tags
1069 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
1070 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
1071 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
1072 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
1073 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);
1075 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
1076 void Mod_MakeSortedSurfaces(dp_model_t *mod);
1078 // called specially by brush model loaders before generating submodels
1079 // automatically called after model loader returns
1080 void Mod_BuildVBOs(void);
1082 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);
1083 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
1084 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
1085 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
1086 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);
1087 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);
1088 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
1089 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
1090 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
1092 void Mod_CreateCollisionMesh(dp_model_t *mod);
1094 void Mod_FreeQ3Shaders(void);
1095 void Mod_LoadQ3Shaders(void);
1096 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
1097 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
1099 extern cvar_t r_mipskins;
1100 extern cvar_t r_mipnormalmaps;
1102 typedef struct skeleton_s
1104 const dp_model_t *model;
1105 matrix4x4_t *relativetransforms;
1109 typedef struct skinfileitem_s
1111 struct skinfileitem_s *next;
1112 char name[MAX_QPATH];
1113 char replacement[MAX_QPATH];
1117 typedef struct skinfile_s
1119 struct skinfile_s *next;
1120 skinfileitem_t *items;
1124 skinfile_t *Mod_LoadSkinFiles(void);
1125 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1126 int Mod_CountSkinFiles(skinfile_t *skinfile);
1127 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1129 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1130 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1131 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1133 typedef struct mod_alloclightmap_row_s
1138 mod_alloclightmap_row_t;
1140 typedef struct mod_alloclightmap_state_s
1145 mod_alloclightmap_row_t *rows;
1147 mod_alloclightmap_state_t;
1149 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1150 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1151 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1152 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1155 void Mod_BrushInit(void);
1156 // used for talking to the QuakeC mainly
1157 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1158 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1160 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1161 struct entity_render_s;
1162 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1163 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1164 void R_Q1BSP_Draw(struct entity_render_s *ent);
1165 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1166 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1167 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1168 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);
1169 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1170 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);
1171 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1172 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);
1173 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1175 // Collision optimization using Bounding Interval Hierarchy
1176 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);
1177 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);
1178 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);
1179 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);
1180 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);
1181 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
1182 bih_t *Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces, bih_t *out);
1185 struct frameblend_s;
1187 void Mod_AliasInit(void);
1188 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1189 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1190 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);
1192 void Mod_Skeletal_FreeBuffers(void);
1195 void Mod_SpriteInit(void);
1198 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1199 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1200 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1201 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1202 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1203 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1204 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1205 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1206 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1207 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1208 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1209 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1210 void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1212 #endif // MODEL_SHARED_H