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_vertexgeneric_s
113 typedef struct r_vertexmesh_s
118 float texcoordtexture2f[2];
119 float texcoordlightmap2f[2];
123 unsigned char skeletalindex4ub[4];
124 unsigned char skeletalweight4ub[4];
128 typedef struct r_meshbuffer_s
130 int bufferobject; // OpenGL
131 void *devicebuffer; // Direct3D
133 qboolean isindexbuffer;
134 qboolean isuniformbuffer;
137 char name[MAX_QPATH];
141 // used for mesh lists in q1bsp/q3bsp map models
142 // (the surfaces reference portions of these meshes)
143 typedef struct surfmesh_s
145 // triangle data in system memory
146 int num_triangles; // number of triangles in the mesh
147 int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
148 r_meshbuffer_t *data_element3i_indexbuffer;
149 size_t data_element3i_bufferoffset;
150 unsigned short *data_element3s; // unsigned short[tris*3] triangles of the mesh in unsigned short format (NULL if num_vertices > 65536)
151 r_meshbuffer_t *data_element3s_indexbuffer;
152 size_t data_element3s_bufferoffset;
153 int *data_neighbor3i; // int[tris*3] neighboring triangle on each edge (-1 if none)
154 // vertex data in system memory
155 int num_vertices; // number of vertices in the mesh
156 float *data_vertex3f; // float[verts*3] vertex locations
157 float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
158 float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
159 float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
160 float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
161 float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
162 float *data_lightmapcolor4f;
163 unsigned char *data_skeletalindex4ub;
164 unsigned char *data_skeletalweight4ub;
165 int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
166 // vertex buffer object (stores geometry in video memory)
167 r_meshbuffer_t *vbo_vertexbuffer;
168 size_t vbooffset_vertex3f;
169 size_t vbooffset_svector3f;
170 size_t vbooffset_tvector3f;
171 size_t vbooffset_normal3f;
172 size_t vbooffset_texcoordtexture2f;
173 size_t vbooffset_texcoordlightmap2f;
174 size_t vbooffset_lightmapcolor4f;
175 size_t vbooffset_skeletalindex4ub;
176 size_t vbooffset_skeletalweight4ub;
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_vertexmesh_t *vertexmesh;
194 r_meshbuffer_t *vertex3fbuffer;
195 r_meshbuffer_t *vertexmeshbuffer;
199 #define SHADOWMESHVERTEXHASH 1024
200 typedef struct shadowmeshvertexhash_s
202 struct shadowmeshvertexhash_s *next;
204 shadowmeshvertexhash_t;
206 typedef struct shadowmesh_s
208 // next mesh in chain
209 struct shadowmesh_s *next;
210 // used for light mesh (NULL on shadow mesh)
211 rtexture_t *map_diffuse;
212 rtexture_t *map_specular;
213 rtexture_t *map_normal;
215 int numverts, maxverts;
216 int numtriangles, maxtriangles;
219 // used for light mesh (NULL on shadow mesh)
226 r_meshbuffer_t *element3i_indexbuffer;
227 size_t element3i_bufferoffset;
228 unsigned short *element3s;
229 r_meshbuffer_t *element3s_indexbuffer;
230 size_t element3s_bufferoffset;
231 // used for shadow mapping cubemap side partitioning
232 int sideoffsets[6], sidetotals[6];
233 // used for shadow mesh (NULL on light mesh)
235 // these are NULL after Mod_ShadowMesh_Finish is performed, only used
236 // while building meshes
237 shadowmeshvertexhash_t **vertexhashtable, *vertexhashentries;
238 r_meshbuffer_t *vbo_vertexbuffer;
239 size_t vbooffset_vertex3f;
240 size_t vbooffset_svector3f;
241 size_t vbooffset_tvector3f;
242 size_t vbooffset_normal3f;
243 size_t vbooffset_texcoord2f;
244 // vertex/index buffers for rendering
245 // (created by Mod_ShadowMesh_Finish if possible)
246 r_vertexmesh_t *vertexmesh; // usually NULL
247 r_meshbuffer_t *vertex3fbuffer;
248 r_meshbuffer_t *vertexmeshbuffer; // usually NULL
252 // various flags from shaders, used for special effects not otherwise classified
253 // TODO: support these features more directly
254 #define Q3TEXTUREFLAG_TWOSIDED 1
255 #define Q3TEXTUREFLAG_NOPICMIP 16
256 #define Q3TEXTUREFLAG_POLYGONOFFSET 32
257 #define Q3TEXTUREFLAG_REFRACTION 256
258 #define Q3TEXTUREFLAG_REFLECTION 512
259 #define Q3TEXTUREFLAG_WATERSHADER 1024
260 #define Q3TEXTUREFLAG_CAMERA 2048
261 #define Q3TEXTUREFLAG_TRANSPARENTSORT 4096
263 #define Q3PATHLENGTH 64
264 #define TEXTURE_MAXFRAMES 64
265 #define Q3WAVEPARMS 4
266 #define Q3DEFORM_MAXPARMS 3
267 #define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
268 #define Q3RGBGEN_MAXPARMS 3
269 #define Q3ALPHAGEN_MAXPARMS 1
270 #define Q3TCGEN_MAXPARMS 6
271 #define Q3TCMOD_MAXPARMS 6
272 #define Q3MAXTCMODS 8
273 #define Q3MAXDEFORMS 4
275 typedef enum q3wavefunc_e
278 Q3WAVEFUNC_INVERSESAWTOOTH,
287 typedef int q3wavefunc_t;
288 #define Q3WAVEFUNC_USER_COUNT 4
289 #define Q3WAVEFUNC_USER_SHIFT 8 // use 8 bits for wave func type
291 typedef enum q3deform_e
294 Q3DEFORM_PROJECTIONSHADOW,
296 Q3DEFORM_AUTOSPRITE2,
313 typedef enum q3rgbgen_e
318 Q3RGBGEN_EXACTVERTEX,
319 Q3RGBGEN_IDENTITYLIGHTING,
320 Q3RGBGEN_LIGHTINGDIFFUSE,
321 Q3RGBGEN_ONEMINUSENTITY,
322 Q3RGBGEN_ONEMINUSVERTEX,
329 typedef enum q3alphagen_e
334 Q3ALPHAGEN_LIGHTINGSPECULAR,
335 Q3ALPHAGEN_ONEMINUSENTITY,
336 Q3ALPHAGEN_ONEMINUSVERTEX,
344 typedef enum q3tcgen_e
347 Q3TCGEN_TEXTURE, // very common
348 Q3TCGEN_ENVIRONMENT, // common
355 typedef enum q3tcmod_e
358 Q3TCMOD_ENTITYTRANSLATE,
370 typedef struct q3shaderinfo_layer_rgbgen_s
373 float parms[Q3RGBGEN_MAXPARMS];
374 q3wavefunc_t wavefunc;
375 float waveparms[Q3WAVEPARMS];
377 q3shaderinfo_layer_rgbgen_t;
379 typedef struct q3shaderinfo_layer_alphagen_s
381 q3alphagen_t alphagen;
382 float parms[Q3ALPHAGEN_MAXPARMS];
383 q3wavefunc_t wavefunc;
384 float waveparms[Q3WAVEPARMS];
386 q3shaderinfo_layer_alphagen_t;
388 typedef struct q3shaderinfo_layer_tcgen_s
391 float parms[Q3TCGEN_MAXPARMS];
393 q3shaderinfo_layer_tcgen_t;
395 typedef struct q3shaderinfo_layer_tcmod_s
398 float parms[Q3TCMOD_MAXPARMS];
399 q3wavefunc_t wavefunc;
400 float waveparms[Q3WAVEPARMS];
402 q3shaderinfo_layer_tcmod_t;
404 typedef struct q3shaderinfo_layer_s
413 q3shaderinfo_layer_rgbgen_t rgbgen;
414 q3shaderinfo_layer_alphagen_t alphagen;
415 q3shaderinfo_layer_tcgen_t tcgen;
416 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
418 q3shaderinfo_layer_t;
420 typedef struct q3shaderinfo_deform_s
423 float parms[Q3DEFORM_MAXPARMS];
424 q3wavefunc_t wavefunc;
425 float waveparms[Q3WAVEPARMS];
427 q3shaderinfo_deform_t;
429 typedef enum dpoffsetmapping_technique_s
431 OFFSETMAPPING_OFF, // none
432 OFFSETMAPPING_DEFAULT, // cvar-set
433 OFFSETMAPPING_LINEAR, // linear
434 OFFSETMAPPING_RELIEF // relief
435 }dpoffsetmapping_technique_t;
437 typedef enum dptransparentsort_category_e
440 TRANSPARENTSORT_DISTANCE,
442 }dptransparentsortcategory_t;
444 typedef struct q3shaderinfo_s
446 char name[Q3PATHLENGTH];
447 #define Q3SHADERINFO_COMPARE_START surfaceparms
453 qboolean vertexalpha;
454 qboolean textureblendalpha;
455 int primarylayer, backgroundlayer;
456 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
457 char skyboxname[Q3PATHLENGTH];
458 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
460 // dp-specific additions:
463 qboolean dpnortlight;
467 // add collisions to all triangles of the surface
468 qboolean dpmeshcollisions;
470 // kill shader based on cvar checks
471 qboolean dpshaderkill;
474 char dpreflectcube[Q3PATHLENGTH];
477 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
478 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
479 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
480 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
481 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
482 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
483 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
484 float r_water_waterscroll[2]; // water normalmapscrollblend - scale and speed
487 dpoffsetmapping_technique_t offsetmapping;
489 float offsetbias; // 0 is normal, 1 leads to alpha 0 being neutral and alpha 1 pushing "out"
491 // polygonoffset (only used if Q3TEXTUREFLAG_POLYGONOFFSET)
492 float biaspolygonoffset, biaspolygonfactor;
494 // transparent sort category
495 dptransparentsortcategory_t transparentsort;
498 float specularscalemod;
499 float specularpowermod;
501 // rtlighting ambient addition
502 float rtlightambient;
503 #define Q3SHADERINFO_COMPARE_END rtlightambient
507 typedef enum texturelayertype_e
509 TEXTURELAYERTYPE_INVALID,
510 TEXTURELAYERTYPE_LITTEXTURE,
511 TEXTURELAYERTYPE_TEXTURE,
516 typedef struct texturelayer_s
518 texturelayertype_t type;
523 matrix4x4_t texmatrix;
528 typedef struct texture_s
534 unsigned int width, height;
536 //unsigned int flags;
538 // base material flags
539 int basematerialflags;
540 // current material flags (updated each bmodel render)
541 int currentmaterialflags;
543 // PolygonOffset values for rendering this material
544 // (these are added to the r_refdef values and submodel values)
545 float biaspolygonfactor;
546 float biaspolygonoffset;
548 // textures to use when rendering this material
549 skinframe_t *currentskinframe;
552 skinframe_t *skinframes[TEXTURE_MAXFRAMES];
553 // background layer (for terrain texture blending)
554 skinframe_t *backgroundcurrentskinframe;
555 int backgroundnumskinframes;
556 float backgroundskinframerate;
557 skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
559 // total frames in sequence and alternate sequence
561 // direct pointers to each of the frames in the sequences
562 // (indexed as [alternate][frame])
563 struct texture_s *anim_frames[2][10];
564 // set if animated or there is an alternate frame set
565 // (this is an optimization in the renderer)
568 // renderer checks if this texture needs updating...
569 int update_lastrenderframe;
570 void *update_lastrenderentity;
571 // the current alpha of this texture (may be affected by r_wateralpha)
573 // the current texture frame in animation
574 struct texture_s *currentframe;
575 // current texture transform matrix (used for water scrolling)
576 matrix4x4_t currenttexmatrix;
577 matrix4x4_t currentbackgroundtexmatrix;
579 // various q3 shader features
580 q3shaderinfo_layer_rgbgen_t rgbgen;
581 q3shaderinfo_layer_alphagen_t alphagen;
582 q3shaderinfo_layer_tcgen_t tcgen;
583 q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
584 q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
585 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
587 qboolean colormapping;
588 rtexture_t *basetexture; // original texture without pants/shirt/glow
589 rtexture_t *pantstexture; // pants only (in greyscale)
590 rtexture_t *shirttexture; // shirt only (in greyscale)
591 rtexture_t *nmaptexture; // normalmap (bumpmap for dot3)
592 rtexture_t *glosstexture; // glossmap (for dot3)
593 rtexture_t *glowtexture; // glow only (fullbrights)
594 rtexture_t *fogtexture; // alpha of the base texture (if not opaque)
595 rtexture_t *reflectmasktexture; // mask for fake reflections
596 rtexture_t *reflectcubetexture; // fake reflections cubemap
597 rtexture_t *backgroundbasetexture; // original texture without pants/shirt/glow
598 rtexture_t *backgroundnmaptexture; // normalmap (bumpmap for dot3)
599 rtexture_t *backgroundglosstexture; // glossmap (for dot3)
600 rtexture_t *backgroundglowtexture; // glow only (fullbrights)
603 // color tint (colormod * currentalpha) used for rtlighting this material
604 float dlightcolor[3];
605 // color tint (colormod * 2) used for lightmapped lighting on this material
606 // includes alpha as 4th component
607 // replaces role of gl_Color in GLSL shader
608 float lightmapcolor[4];
611 int customblendfunc[2];
613 int currentnumlayers;
614 texturelayer_t currentlayers[16];
623 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
624 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
625 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
626 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
627 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
628 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
629 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
630 float r_water_waterscroll[2]; // scale and speed
631 int camera_entity; // entity number for use by cameras
634 dpoffsetmapping_technique_t offsetmapping;
638 // transparent sort category
639 dptransparentsortcategory_t transparentsort;
642 float specularscalemod;
643 float specularpowermod;
645 // diffuse and ambient
646 float rtlightambient;
650 typedef struct mtexinfo_s
658 typedef struct msurface_lightmapinfo_s
660 // texture mapping properties used by this surface
661 mtexinfo_t *texinfo; // q1bsp
662 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
663 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
664 // RGB lighting data [numstyles][height][width][3]
665 unsigned char *samples; // q1bsp
666 // RGB normalmap data [numstyles][height][width][3]
667 unsigned char *nmapsamples; // q1bsp
668 // stain to apply on lightmap (soot/dirt/blood/whatever)
669 unsigned char *stainsamples; // q1bsp
670 int texturemins[2]; // q1bsp
671 int extents[2]; // q1bsp
672 int lightmaporigin[2]; // q1bsp
674 msurface_lightmapinfo_t;
677 typedef struct msurface_s
679 // bounding box for onscreen checks
682 // the texture to use on the surface
684 // the lightmap texture fragment to use on the rendering mesh
685 rtexture_t *lightmaptexture;
686 // the lighting direction texture fragment to use on the rendering mesh
687 rtexture_t *deluxemaptexture;
688 // lightmaptexture rebuild information not used in q3bsp
689 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
690 // fog volume info in q3bsp
691 struct q3deffect_s *effect; // q3bsp
692 // mesh information for collisions (only used by q3bsp curves)
693 int num_firstcollisiontriangle;
694 int *deprecatedq3data_collisionelement3i; // q3bsp
695 float *deprecatedq3data_collisionvertex3f; // q3bsp
696 float *deprecatedq3data_collisionbbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
697 float *deprecatedq3data_bbox6f; // collision optimization - contains combined bboxes of every data_collisionstride triangles
699 // surfaces own ranges of vertices and triangles in the model->surfmesh
700 int num_triangles; // number of triangles
701 int num_firsttriangle; // first triangle
702 int num_vertices; // number of vertices
703 int num_firstvertex; // first vertex
705 // shadow volume building information
706 int num_firstshadowmeshtriangle; // index into model->brush.shadowmesh
708 // mesh information for collisions (only used by q3bsp curves)
709 int num_collisiontriangles; // q3bsp
710 int num_collisionvertices; // q3bsp
711 int deprecatedq3num_collisionbboxstride;
712 int deprecatedq3num_bboxstride;
713 // FIXME: collisionmarkframe should be kept in a separate array
714 int deprecatedq3collisionmarkframe; // q3bsp // don't collide twice in one trace
718 #include "matrixlib.h"
721 #include "model_brush.h"
722 #include "model_sprite.h"
723 #include "model_alias.h"
725 typedef struct model_sprite_s
728 mspriteframe_t *sprdata_frames;
734 typedef struct model_brush_lightstyleinfo_s
741 model_brush_lightstyleinfo_t;
743 typedef struct model_brush_s
745 // true if this model is a HalfLife .bsp file
747 // true if this model is a BSP2rmqe .bsp file (expanded 32bit bsp format for rmqe)
749 // true if this model is a BSP2 .bsp file (expanded 32bit bsp format for DarkPlaces, others?)
751 // string of entity definitions (.map format)
754 // if not NULL this is a submodel
755 struct model_s *parentmodel;
756 // (this is the number of the submodel, an index into submodels)
759 // number of submodels in this map (just used by server to know how many
760 // submodels to load)
762 // pointers to each of the submodels
763 struct model_s **submodels;
766 mplane_t *data_planes;
771 // visible leafs, not counting 0 (solid)
773 // number of actual leafs (including 0 which is solid)
778 int *data_leafbrushes;
780 int num_leafsurfaces;
781 int *data_leafsurfaces;
784 mportal_t *data_portals;
786 int num_portalpoints;
787 mvertex_t *data_portalpoints;
790 q3mbrush_t *data_brushes;
793 q3mbrushside_t *data_brushsides;
797 int num_pvsclusterbytes;
798 unsigned char *data_pvsclusters;
800 //pvschain = model->brush.data_pvsclusters + mycluster * model->brush.num_pvsclusterbytes;
801 //if (pvschain[thatcluster >> 3] & (1 << (thatcluster & 7)))
803 // collision geometry for q3 curves
804 int num_collisionvertices;
805 int num_collisiontriangles;
806 float *data_collisionvertex3f;
807 int *data_collisionelement3i;
809 // a mesh containing all shadow casting geometry for the whole model (including submodels), portions of this are referenced by each surface's num_firstshadowmeshtriangle
810 shadowmesh_t *shadowmesh;
812 // a mesh containing all SUPERCONTENTS_SOLID surfaces for this model or submodel, for physics engines to use
813 shadowmesh_t *collisionmesh;
816 int (*SuperContentsFromNativeContents)(struct model_s *model, int nativecontents);
817 int (*NativeContentsFromSuperContents)(struct model_s *model, int supercontents);
818 unsigned char *(*GetPVS)(struct model_s *model, const vec3_t p);
819 int (*FatPVS)(struct model_s *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength, qboolean merge);
820 int (*BoxTouchingPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
821 int (*BoxTouchingLeafPVS)(struct model_s *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs);
822 int (*BoxTouchingVisibleLeafs)(struct model_s *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs);
823 int (*FindBoxClusters)(struct model_s *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist);
824 void (*LightPoint)(struct model_s *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal);
825 void (*FindNonSolidLocation)(struct model_s *model, const vec3_t in, vec3_t out, vec_t radius);
826 mleaf_t *(*PointInLeaf)(struct model_s *model, const vec3_t p);
827 // these are actually only found on brushq1, but NULL is handled gracefully
828 void (*AmbientSoundLevelsForPoint)(struct model_s *model, const vec3_t p, unsigned char *out, int outsize);
829 void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
830 // trace a line of sight through this model (returns false if the line if sight is definitely blocked)
831 qboolean (*TraceLineOfSight)(struct model_s *model, const vec3_t start, const vec3_t end);
833 char skybox[MAX_QPATH];
835 skinframe_t *solidskyskinframe;
836 skinframe_t *alphaskyskinframe;
838 qboolean supportwateralpha;
846 typedef struct model_brushq1_s
863 mclipnode_t *clipnodes;
865 hull_t hulls[MAX_MAP_HULLS];
867 int num_compressedpvs;
868 unsigned char *data_compressedpvs;
871 unsigned char *lightdata;
872 unsigned char *nmaplightdata; // deluxemap file
874 // lightmap update chains for light styles
876 model_brush_lightstyleinfo_t *data_lightstyleinfo;
878 // this contains bytes that are 1 if a surface needs its lightmap rebuilt
879 unsigned char *lightmapupdateflags;
880 qboolean firstrender; // causes all surface lightmaps to be loaded in first frame
884 /* MSVC can't compile empty structs, so this is commented out for now
885 typedef struct model_brushq2_s
891 typedef struct model_brushq3_s
894 q3dmodel_t *data_models;
896 // used only during loading - freed after loading!
898 float *data_vertex3f;
899 float *data_normal3f;
900 float *data_texcoordtexture2f;
901 float *data_texcoordlightmap2f;
904 // freed after loading!
909 q3deffect_t *data_effects;
912 int num_originallightmaps;
913 int num_mergedlightmaps;
914 int num_lightmapmergedwidthpower;
915 int num_lightmapmergedheightpower;
916 int num_lightmapmergedwidthheightdeluxepower;
917 int num_lightmapmerge;
918 rtexture_t **data_lightmaps;
919 rtexture_t **data_deluxemaps;
921 // voxel light data with directional shading
923 q3dlightgrid_t *data_lightgrid;
924 // size of each cell (may vary by map, typically 64 64 128)
925 float num_lightgrid_cellsize[3];
926 // 1.0 / num_lightgrid_cellsize
927 float num_lightgrid_scale[3];
928 // dimensions of the world model in lightgrid cells
929 int num_lightgrid_imins[3];
930 int num_lightgrid_imaxs[3];
931 int num_lightgrid_isize[3];
932 // transform modelspace coordinates to lightgrid index
933 matrix4x4_t num_lightgrid_indexfromworld;
935 // true if this q3bsp file has been detected as using deluxemapping
936 // (lightmap texture pairs, every odd one is never directly refernced,
937 // and contains lighting normals, not colors)
938 qboolean deluxemapping;
939 // true if the detected deluxemaps are the modelspace kind, rather than
940 // the faster tangentspace kind
941 qboolean deluxemapping_modelspace;
942 // size of lightmaps (128 by default, but may be another poweroftwo if
943 // external lightmaps are used (q3map2 -lightmapsize)
951 typedef struct model_s
953 // name and path of model, for example "progs/player.mdl"
954 char name[MAX_QPATH];
955 // model needs to be loaded if this is false
957 // set if the model is used in current map, models which are not, are purged
959 // CRC of the file this model was loaded from, to reload if changed
961 // mod_brush, mod_alias, mod_sprite
963 // memory pool for allocations
965 // all models use textures...
966 rtexturepool_t *texturepool;
967 // EF_* flags (translated from the model file's different flags layout)
969 // number of QC accessible frame(group)s in the model
971 // number of QC accessible skin(group)s in the model
973 // whether to randomize animated framegroups
975 // bounding box at angles '0 0 0'
976 vec3_t normalmins, normalmaxs;
977 // bounding box if yaw angle is not 0, but pitch and roll are
978 vec3_t yawmins, yawmaxs;
979 // bounding box if pitch or roll are used
980 vec3_t rotatedmins, rotatedmaxs;
981 // sphere radius, usable at any angles
983 // squared sphere radius for easier comparisons
985 // skin animation info
986 animscene_t *skinscenes; // [numskins]
987 // skin animation info
988 animscene_t *animscenes; // [numframes]
989 // range of surface numbers in this (sub)model
990 int firstmodelsurface;
991 int nummodelsurfaces;
992 int *sortedmodelsurfaces;
993 // range of collision brush numbers in this (sub)model
996 // BIH (Bounding Interval Hierarchy) for this (sub)model
998 bih_t render_bih; // if not set, use collision_bih instead for rendering purposes too
1002 aliastag_t *data_tags;
1003 // for skeletal models
1005 aliasbone_t *data_bones;
1006 float num_posescale; // scaling factor from origin in poses7s format (includes divide by 32767)
1007 float num_poseinvscale; // scaling factor to origin in poses7s format (includes multiply by 32767)
1009 short *data_poses7s; // origin xyz, quat xyzw, unit length, values normalized to +/-32767 range
1010 float *data_baseboneposeinverse;
1011 // textures of this model
1013 int num_texturesperskin;
1014 texture_t *data_textures;
1015 qboolean wantnormals;
1016 qboolean wanttangents;
1017 // surfaces of this model
1019 msurface_t *data_surfaces;
1020 // optional lightmapinfo data for surface lightmap updates
1021 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
1022 // all surfaces belong to this mesh
1023 surfmesh_t surfmesh;
1024 // data type of model
1025 const char *modeldatatypestring;
1026 // generates vertex data for a given frameblend
1027 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);
1028 // draw the model's sky polygons (only used by brush models)
1029 void(*DrawSky)(struct entity_render_s *ent);
1030 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
1031 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
1032 // draw the model using lightmap/dlight shading
1033 void(*Draw)(struct entity_render_s *ent);
1034 // draw the model to the depth buffer (no color rendering at all)
1035 void(*DrawDepth)(struct entity_render_s *ent);
1036 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
1037 void(*DrawDebug)(struct entity_render_s *ent);
1038 // draw geometry textures for deferred rendering
1039 void(*DrawPrepass)(struct entity_render_s *ent);
1040 // compile an optimized shadowmap mesh for the model based on light source
1041 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1042 // draw depth into a shadowmap
1043 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);
1044 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
1045 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);
1046 // compile a shadow volume for the model based on light source
1047 void(*CompileShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1048 // draw a shadow volume for the model based on light source
1049 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);
1050 // draw the lighting on a model (through stencil)
1051 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1052 // trace a box against this model
1053 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);
1054 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);
1055 // trace a box against this model
1056 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);
1057 // trace a point against this model (like PointSuperContents)
1058 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);
1059 // find the supercontents value at a point in this model
1060 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
1061 // trace a line against geometry in this model and report correct texture (used by r_shadow_bouncegrid)
1062 void (*TraceLineAgainstSurfaces)(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);
1063 // fields belonging to some types of model
1064 model_sprite_t sprite;
1065 model_brush_t brush;
1066 model_brushq1_t brushq1;
1067 /* MSVC can't handle an empty struct, so this is commented out for now
1068 model_brushq2_t brushq2;
1070 model_brushq3_t brushq3;
1071 // flags this model for offseting sounds to the model center (used by brush models)
1072 int soundfromcenter;
1074 // if set, the model contains light information (lightmap, or vertexlight)
1076 float lightmapscale;
1080 //============================================================================
1083 extern dp_model_t *loadmodel;
1084 extern unsigned char *mod_base;
1085 // sky/water subdivision
1086 //extern cvar_t gl_subdivide_size;
1087 // texture fullbrights
1088 extern cvar_t r_fullbrights;
1089 extern cvar_t r_enableshadowvolumes;
1091 void Mod_Init (void);
1092 void Mod_Reload (void);
1093 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk);
1094 dp_model_t *Mod_FindName (const char *name, const char *parentname);
1095 dp_model_t *Mod_ForName (const char *name, qboolean crash, qboolean checkdisk, const char *parentname);
1096 void Mod_UnloadModel (dp_model_t *mod);
1098 void Mod_ClearUsed(void);
1099 void Mod_PurgeUnused(void);
1100 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
1102 extern dp_model_t *loadmodel;
1103 extern char loadname[32]; // for hunk tags
1105 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
1106 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
1107 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline);
1108 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting);
1109 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);
1111 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors);
1112 void Mod_MakeSortedSurfaces(dp_model_t *mod);
1114 // called specially by brush model loaders before generating submodels
1115 // automatically called after model loader returns
1116 void Mod_BuildVBOs(void);
1118 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);
1119 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
1120 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
1121 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
1122 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);
1123 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);
1124 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo);
1125 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
1126 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
1128 void Mod_CreateCollisionMesh(dp_model_t *mod);
1130 void Mod_FreeQ3Shaders(void);
1131 void Mod_LoadQ3Shaders(void);
1132 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
1133 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
1135 extern cvar_t r_mipskins;
1136 extern cvar_t r_mipnormalmaps;
1138 typedef struct skinfileitem_s
1140 struct skinfileitem_s *next;
1141 char name[MAX_QPATH];
1142 char replacement[MAX_QPATH];
1146 typedef struct skinfile_s
1148 struct skinfile_s *next;
1149 skinfileitem_t *items;
1153 skinfile_t *Mod_LoadSkinFiles(void);
1154 void Mod_FreeSkinFiles(skinfile_t *skinfile);
1155 int Mod_CountSkinFiles(skinfile_t *skinfile);
1156 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
1158 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
1159 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
1160 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
1162 typedef struct mod_alloclightmap_row_s
1167 mod_alloclightmap_row_t;
1169 typedef struct mod_alloclightmap_state_s
1174 mod_alloclightmap_row_t *rows;
1176 mod_alloclightmap_state_t;
1178 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height);
1179 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
1180 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
1181 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
1184 void Mod_BrushInit(void);
1185 // used for talking to the QuakeC mainly
1186 int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
1187 int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
1189 // a lot of model formats use the Q1BSP code, so here are the prototypes...
1190 struct entity_render_s;
1191 void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
1192 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
1193 void R_Q1BSP_Draw(struct entity_render_s *ent);
1194 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
1195 void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
1196 void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
1197 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);
1198 void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1199 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);
1200 void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
1201 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);
1202 void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
1204 // Collision optimization using Bounding Interval Hierarchy
1205 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);
1206 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);
1207 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);
1208 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);
1209 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);
1210 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
1211 bih_t *Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces, bih_t *out);
1214 struct frameblend_s;
1216 void Mod_AliasInit(void);
1217 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
1218 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
1219 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);
1221 void Mod_Skeletal_FreeBuffers(void);
1224 void Mod_SpriteInit(void);
1227 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1228 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1229 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1230 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
1231 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
1232 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1233 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
1234 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1235 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1236 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1237 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
1238 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
1239 void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
1241 #endif // MODEL_SHARED_H