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
27 #include "r_qshader.h"
28 #include "matrixlib.h"
32 typedef enum synctype_e {ST_SYNC=0, ST_RAND } synctype_t;
36 d*_t structures are on-disk representations
37 m*_t structures are in-memory
41 typedef enum modtype_e {mod_invalid, mod_brushq1, mod_sprite, mod_alias, mod_brushq2, mod_brushq3, mod_obj, mod_null} modtype_t;
43 typedef struct animscene_s
45 char name[32]; // for viewthing support
48 int loop; // true or false
53 typedef struct skinframe_s
55 struct rtexture_s *stain; // inverse modulate with background (used for decals and such)
56 struct rtexture_s *merged; // original texture without glow
57 struct rtexture_s *base; // original texture without pants/shirt/glow
58 struct rtexture_s *pants; // pants only (in greyscale)
59 struct rtexture_s *shirt; // shirt only (in greyscale)
60 struct rtexture_s *nmap; // normalmap (bumpmap for dot3)
61 struct rtexture_s *gloss; // glossmap (for dot3)
62 struct rtexture_s *glow; // glow only (fullbrights)
63 struct rtexture_s *fog; // alpha of the base texture (if not opaque)
64 struct rtexture_s *reflect; // colored mask for cubemap reflections
65 // accounting data for hash searches:
66 // the compare variables are used to identify internal skins from certain
68 // (so that two q1bsp maps with the same texture name for different
69 // textures do not have any conflicts)
70 struct skinframe_s *next; // next on hash chain
71 char basename[MAX_QPATH]; // name of this
72 int textureflags; // texture flags to use
76 // mark and sweep garbage collection, this value is updated to a new value
77 // on each level change for the used skinframes, if some are not used they
79 unsigned int loadsequence;
80 // indicates whether this texture has transparent pixels
82 // average texture color, if applicable
84 // 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)
85 unsigned char *qpixels;
88 qbool qhascolormapping;
90 qbool qgeneratemerged;
98 typedef struct texvecvertex_s
105 typedef struct blendweights_s
107 unsigned char index[4];
108 unsigned char influence[4];
112 typedef struct r_meshbuffer_s
114 int bufferobject; // OpenGL
115 void *devicebuffer; // Direct3D
118 qbool isuniformbuffer;
121 char name[MAX_QPATH];
125 // used for mesh lists in q1bsp/q3bsp map models
126 // (the surfaces reference portions of these meshes)
127 typedef struct surfmesh_s
129 // triangle data in system memory
130 int num_triangles; // number of triangles in the mesh
131 int *data_element3i; // int[tris*3] triangles of the mesh, 3 indices into vertex arrays for each
133 // vertex data in system memory
134 int num_vertices; // number of vertices in the mesh
135 float *data_vertex3f; // float[verts*3] vertex locations
136 float *data_svector3f; // float[verts*3] direction of 'S' (right) texture axis for each vertex
137 float *data_tvector3f; // float[verts*3] direction of 'T' (down) texture axis for each vertex
138 float *data_normal3f; // float[verts*3] direction of 'R' (out) texture axis for each vertex
139 float *data_texcoordtexture2f; // float[verts*2] texcoords for surface texture
140 float *data_texcoordlightmap2f; // float[verts*2] texcoords for lightmap texture
141 float *data_lightmapcolor4f;
142 unsigned char *data_skeletalindex4ub;
143 unsigned char *data_skeletalweight4ub;
144 int *data_lightmapoffsets; // index into surface's lightmap samples for vertex lighting
145 // index buffer - only one of these will be non-NULL
146 r_meshbuffer_t *data_element3i_indexbuffer;
147 int data_element3i_bufferoffset;
148 unsigned short *data_element3s; // unsigned short[tris*3] triangles of the mesh in unsigned short format (NULL if num_vertices > 65536)
149 r_meshbuffer_t *data_element3s_indexbuffer;
150 int data_element3s_bufferoffset;
152 r_meshbuffer_t *data_vertex3f_vertexbuffer;
153 int data_vertex3f_bufferoffset;
154 r_meshbuffer_t *data_svector3f_vertexbuffer;
155 int data_svector3f_bufferoffset;
156 r_meshbuffer_t *data_tvector3f_vertexbuffer;
157 int data_tvector3f_bufferoffset;
158 r_meshbuffer_t *data_normal3f_vertexbuffer;
159 int data_normal3f_bufferoffset;
160 r_meshbuffer_t *data_texcoordtexture2f_vertexbuffer;
161 int data_texcoordtexture2f_bufferoffset;
162 r_meshbuffer_t *data_texcoordlightmap2f_vertexbuffer;
163 int data_texcoordlightmap2f_bufferoffset;
164 r_meshbuffer_t *data_lightmapcolor4f_vertexbuffer;
165 int data_lightmapcolor4f_bufferoffset;
166 r_meshbuffer_t *data_skeletalindex4ub_vertexbuffer;
167 int data_skeletalindex4ub_bufferoffset;
168 r_meshbuffer_t *data_skeletalweight4ub_vertexbuffer;
169 int data_skeletalweight4ub_bufferoffset;
170 // morph blending, these are zero if model is skeletal or static
172 struct md3vertex_s *data_morphmd3vertex;
173 struct trivertx_s *data_morphmdlvertex;
174 struct texvecvertex_s *data_morphtexvecvertex;
175 float *data_morphmd2framesize6f;
176 float num_morphmdlframescale[3];
177 float num_morphmdlframetranslate[3];
178 // skeletal blending, these are NULL if model is morph or static
179 struct blendweights_s *data_blendweights;
181 unsigned short *blends;
182 // set if there is some kind of animation on this model
185 // dynamic mesh building support (Mod_Mesh_*)
186 int num_vertexhashsize; // always pow2 for simple masking
187 int *data_vertexhash; // hash table - wrapping buffer for storing index of similar vertex with -1 as terminator
188 int max_vertices; // preallocated size of data_vertex3f and friends (always >= num_vertices)
189 int max_triangles; // preallocated size of data_element3i
193 #define SHADOWMESHVERTEXHASH 1024
194 typedef struct shadowmeshvertexhash_s
196 struct shadowmeshvertexhash_s *next;
198 shadowmeshvertexhash_t;
200 typedef struct shadowmesh_s
202 struct mempool_s *mempool;
207 r_meshbuffer_t *vbo_vertexbuffer;
208 int vbooffset_vertex3f;
213 r_meshbuffer_t *element3i_indexbuffer;
214 int element3i_bufferoffset;
215 unsigned short *element3s;
216 r_meshbuffer_t *element3s_indexbuffer;
217 int element3s_bufferoffset;
219 // used for shadow mapping cubemap side partitioning
220 int sideoffsets[6], sidetotals[6];
222 // these are NULL after Mod_ShadowMesh_Finish is performed, only used
223 // while building meshes
224 shadowmeshvertexhash_t **vertexhashtable, *vertexhashentries;
228 typedef struct texture_s
235 unsigned int width, height;
237 //unsigned int flags;
239 // base material flags
240 int basematerialflags;
241 // current material flags (updated each bmodel render)
242 int currentmaterialflags;
243 // base material alpha (used for Q2 materials)
246 // PolygonOffset values for rendering this material
247 // (these are added to the r_refdef values and submodel values)
248 float biaspolygonfactor;
249 float biaspolygonoffset;
251 // textures to use when rendering this material (derived from materialshaderpass)
252 skinframe_t *currentskinframe;
253 // textures to use for terrain texture blending (derived from backgroundshaderpass)
254 skinframe_t *backgroundcurrentskinframe;
256 // total frames in sequence and alternate sequence
258 // direct pointers to each of the frames in the sequences
259 // (indexed as [alternate][frame])
260 struct texture_s *anim_frames[2][10];
261 // 1 = q1bsp animation with anim_total[0] >= 2 (animated) or anim_total[1] >= 1 (alternate frame set)
262 // 2 = q2bsp animation with anim_total[0] >= 2 (uses self.frame)
265 // renderer checks if this texture needs updating...
266 int update_lastrenderframe;
267 void *update_lastrenderentity;
268 // the current alpha of this texture (may be affected by r_wateralpha, also basealpha, and ent->alpha)
270 // current value of blendfunc - one of:
271 // {GL_SRC_ALPHA, GL_ONE}
272 // {GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA}
273 // {customblendfunc[0], customblendfunc[1]}
275 int currentblendfunc[2];
276 // the current texture frame in animation
277 struct texture_s *currentframe;
278 // current texture transform matrix (used for water scrolling)
279 matrix4x4_t currenttexmatrix;
280 matrix4x4_t currentbackgroundtexmatrix;
282 // various q3 shader features
283 q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
284 texture_shaderpass_t *shaderpasses[Q3SHADER_MAXLAYERS]; // all shader passes in one array
285 texture_shaderpass_t *materialshaderpass; // equal to one of shaderpasses[] or NULL
286 texture_shaderpass_t *backgroundshaderpass; // equal to one of shaderpasses[] or NULL
287 unsigned char startpreshaderpass; // range within shaderpasses[]
288 unsigned char endpreshaderpass; // number of preshaderpasses
289 unsigned char startpostshaderpass; // range within shaderpasses[]
290 unsigned char endpostshaderpass; // number of postshaderpasses
293 struct rtexture_s *basetexture; // original texture without pants/shirt/glow
294 struct rtexture_s *pantstexture; // pants only (in greyscale)
295 struct rtexture_s *shirttexture; // shirt only (in greyscale)
296 struct rtexture_s *nmaptexture; // normalmap (bumpmap for dot3)
297 struct rtexture_s *glosstexture; // glossmap (for dot3)
298 struct rtexture_s *glowtexture; // glow only (fullbrights)
299 struct rtexture_s *fogtexture; // alpha of the base texture (if not opaque)
300 struct rtexture_s *reflectmasktexture; // mask for fake reflections
301 struct rtexture_s *reflectcubetexture; // fake reflections cubemap
302 struct rtexture_s *backgroundbasetexture; // original texture without pants/shirt/glow
303 struct rtexture_s *backgroundnmaptexture; // normalmap (bumpmap for dot3)
304 struct rtexture_s *backgroundglosstexture; // glossmap (for dot3)
305 struct rtexture_s *backgroundglowtexture; // glow only (fullbrights)
308 // rendering parameters - updated by R_GetCurrentTexture using rsurface.render_* fields
309 // (almost) all map textures are lightmap (no MATERIALFLAG_MODELLIGHT set),
310 // (almost) all model textures are MATERIALFLAG_MODELLIGHT,
311 // MATERIALFLAG_FULLBRIGHT is rendered as a forced MATERIALFLAG_MODELLIGHT with rtlights disabled
312 float render_glowmod[3];
313 // MATERIALFLAG_MODELLIGHT uses these parameters
314 float render_modellight_ambient[3];
315 float render_modellight_diffuse[3];
316 float render_modellight_lightdir_world[3];
317 float render_modellight_lightdir_local[3];
318 float render_modellight_specular[3];
319 // lightmap rendering (not MATERIALFLAG_MODELLIGHT)
320 float render_lightmap_ambient[3];
321 float render_lightmap_diffuse[3];
322 float render_lightmap_specular[3];
323 // rtlights use these colors for the materials on this entity
324 float render_rtlight_diffuse[3];
325 float render_rtlight_specular[3];
326 // tint applied on top of render_*_diffuse for pants layer
327 float render_colormap_pants[3];
328 // tint applied on top of render_*_diffuse for shirt layer
329 float render_colormap_shirt[3];
332 int customblendfunc[2];
339 // we have to load the texture multiple times when Q2SURF_ flags differ,
340 // though it still shares the skinframe
346 /// this points to a variant of the sky texture that has MATERIALFLAG_NOSHADOW, for the e1m5 logo shadow trick.
347 struct texture_s *skynoshadowtexture;
350 float reflectmin; // when refraction is used, minimum amount of reflection (when looking straight down)
351 float reflectmax; // when refraction is used, maximum amount of reflection (when looking parallel to water)
352 float refractfactor; // amount of refraction distort (1.0 = like the cvar specifies)
353 vec4_t refractcolor4f; // color tint of refraction (including alpha factor)
354 float reflectfactor; // amount of reflection distort (1.0 = like the cvar specifies)
355 vec4_t reflectcolor4f; // color tint of reflection (including alpha factor)
356 float r_water_wateralpha; // additional wateralpha to apply when r_water is active
357 float r_water_waterscroll[2]; // scale and speed
358 float refractive_index; // used by r_shadow_bouncegrid for bending photons for refracted light
359 int camera_entity; // entity number for use by cameras
362 dpoffsetmapping_technique_t offsetmapping;
366 // transparent sort category
367 dptransparentsortcategory_t transparentsort;
370 float specularscalemod;
371 float specularpowermod;
373 // diffuse and ambient
374 float rtlightambient;
376 // used by Mod_Mesh_GetTexture for drawflag and materialflag overrides, to disambiguate the same texture with different hints
378 int mesh_defaulttexflags;
379 int mesh_defaultmaterialflags;
383 typedef struct mtexinfo_s
385 float vecs[2][4]; // [s/t][xyz offset]
388 int q2flags; // miptex flags + overrides
389 int q2value; // light emission, etc
390 char q2texture[32]; // texture name (textures/*.wal)
391 int q2nexttexinfo; // for animations, -1 = end of chain
395 typedef struct msurface_lightmapinfo_s
397 // texture mapping properties used by this surface
398 mtexinfo_t *texinfo; // q1bsp
399 // index into r_refdef.scene.lightstylevalue array, 255 means not used (black)
400 unsigned char styles[MAXLIGHTMAPS]; // q1bsp
401 // RGB lighting data [numstyles][height][width][3]
402 unsigned char *samples; // q1bsp
403 // RGB normalmap data [numstyles][height][width][3]
404 unsigned char *nmapsamples; // q1bsp
405 // stain to apply on lightmap (soot/dirt/blood/whatever)
406 unsigned char *stainsamples; // q1bsp
407 int texturemins[2]; // q1bsp
408 int extents[2]; // q1bsp
409 int lightmaporigin[2]; // q1bsp
411 msurface_lightmapinfo_t;
414 typedef struct msurface_s
416 // bounding box for onscreen checks
419 // the texture to use on the surface
421 // the lightmap texture fragment to use on the rendering mesh
422 struct rtexture_s *lightmaptexture;
423 // the lighting direction texture fragment to use on the rendering mesh
424 struct rtexture_s *deluxemaptexture;
425 // lightmaptexture rebuild information not used in q3bsp
426 msurface_lightmapinfo_t *lightmapinfo; // q1bsp
427 // fog volume info in q3bsp
428 struct q3deffect_s *effect; // q3bsp
429 // mesh information for collisions (only used by q3bsp curves)
430 int num_firstcollisiontriangle;
432 // surfaces own ranges of vertices and triangles in the model->surfmesh
433 int num_triangles; // number of triangles
434 int num_firsttriangle; // first triangle
435 int num_vertices; // number of vertices
436 int num_firstvertex; // first vertex
438 // mesh information for collisions (only used by q3bsp curves)
439 int num_collisiontriangles; // q3bsp
440 int num_collisionvertices; // q3bsp
442 // used by Mod_Mesh_Finalize when building sortedmodelsurfaces
449 #include "model_brush.h"
450 #include "model_q1bsp.h"
451 #include "model_q2bsp.h"
452 #include "model_q3bsp.h"
453 #include "model_sprite.h"
454 #include "model_alias.h"
461 typedef struct model_s
463 // name and path of model, for example "progs/player.mdl"
464 char name[MAX_QPATH];
465 // model needs to be loaded if this is false
467 // set if the model is used in current map, models which are not, are purged
469 // CRC of the file this model was loaded from, to reload if changed
471 // mod_brush, mod_alias, mod_sprite
473 // memory pool for allocations
474 struct mempool_s *mempool;
475 // all models use textures...
476 rtexturepool_t *texturepool;
477 // EF_* flags (translated from the model file's different flags layout)
479 // number of QC accessible frame(group)s in the model
481 // number of QC accessible skin(group)s in the model
483 // whether to randomize animated framegroups
485 // bounding box at angles '0 0 0'
486 vec3_t normalmins, normalmaxs;
487 // bounding box if yaw angle is not 0, but pitch and roll are
488 vec3_t yawmins, yawmaxs;
489 // bounding box if pitch or roll are used
490 vec3_t rotatedmins, rotatedmaxs;
491 // sphere radius, usable at any angles
493 // squared sphere radius for easier comparisons
495 // skin animation info
496 animscene_t *skinscenes; // [numskins]
497 // skin animation info
498 animscene_t *animscenes; // [numframes]
499 // range of surface numbers in this (sub)model
500 int firstmodelsurface;
501 int nummodelsurfaces;
502 int *sortedmodelsurfaces;
503 // range of collision brush numbers in this (sub)model
506 // BIH (Bounding Interval Hierarchy) for this (sub)model
508 bih_t render_bih; // if not set, use collision_bih instead for rendering purposes too
512 aliastag_t *data_tags;
513 // for skeletal models
515 aliasbone_t *data_bones;
516 float num_posescale; // scaling factor from origin in poses7s format (includes divide by 32767)
517 float num_poseinvscale; // scaling factor to origin in poses7s format (includes multiply by 32767)
519 short *data_poses7s; // origin xyz, quat xyzw, unit length, values normalized to +/-32767 range
520 float *data_baseboneposeinverse;
521 // textures of this model
523 int max_textures; // preallocated for expansion (Mod_Mesh_*)
524 int num_texturesperskin;
525 texture_t *data_textures;
528 // surfaces of this model
530 int max_surfaces; // preallocated for expansion (Mod_Mesh_*)
531 msurface_t *data_surfaces;
532 // optional lightmapinfo data for surface lightmap updates
533 msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
534 // all surfaces belong to this mesh
536 // data type of model
537 const char *modeldatatypestring;
538 // generates vertex data for a given frameblend
539 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);
540 // draw the model's sky polygons (only used by brush models)
541 void(*DrawSky)(struct entity_render_s *ent);
542 // draw refraction/reflection textures for the model's water polygons (only used by brush models)
543 void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
544 // draw the model using lightmap/dlight shading
545 void(*Draw)(struct entity_render_s *ent);
546 // draw the model to the depth buffer (no color rendering at all)
547 void(*DrawDepth)(struct entity_render_s *ent);
548 // draw any enabled debugging effects on this model (such as showing triangles, normals, collision brushes...)
549 void(*DrawDebug)(struct entity_render_s *ent);
550 // draw geometry textures for deferred rendering
551 void(*DrawPrepass)(struct entity_render_s *ent);
552 // compile an optimized shadowmap mesh for the model based on light source
553 void(*CompileShadowMap)(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
554 // draw depth into a shadowmap
555 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);
556 // gathers info on which clusters and surfaces are lit by light, as well as calculating a bounding box
557 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, qbool noocclusion);
558 // draw the lighting on a model (through stencil)
559 void(*DrawLight)(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
560 // trace a box against this model
561 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, int skipsupercontentsmask, int skipmaterialflagsmask);
562 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, int skipsupercontentsmask, int skipmaterialflagsmask);
563 // trace a box against this model
564 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, int skipsupercontentsmask, int skipmaterialflagsmask);
565 // trace a point against this model (like PointSuperContents)
566 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, int skipsupercontentsmask, int skipmaterialflagsmask);
567 // find the supercontents value at a point in this model
568 int (*PointSuperContents)(struct model_s *model, int frame, const vec3_t point);
569 // trace a line against geometry in this model and report correct texture (used by r_shadow_bouncegrid)
570 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, int skipsupercontentsmask, int skipmaterialflagsmask);
571 // fields belonging to some types of model
572 model_sprite_t sprite;
574 model_brushq1_t brushq1;
575 model_brushq3_t brushq3;
576 // flags this model for offseting sounds to the model center (used by brush models)
579 // if set, the model contains light information (lightmap, or vertexlight)
587 //============================================================================
590 extern dp_model_t *loadmodel;
591 extern unsigned char *mod_base;
593 typedef struct modloader_s
595 const char *extension;
597 size_t headersize; // The header might not be NULL terminated
598 void (*Load)(dp_model_t *, void *, void *);
601 // sky/water subdivision
602 //extern struct cvar_s gl_subdivide_size;
603 // texture fullbrights
604 extern struct cvar_s r_fullbrights;
606 extern struct cvar_s mod_noshader_default_offsetmapping;
607 extern struct cvar_s mod_q3shader_default_offsetmapping;
608 extern struct cvar_s mod_q3shader_default_offsetmapping_scale;
609 extern struct cvar_s mod_q3shader_default_offsetmapping_bias;
610 extern struct cvar_s mod_q3shader_default_polygonoffset;
611 extern struct cvar_s mod_q3shader_default_polygonfactor;
612 extern struct cvar_s mod_q3shader_default_refractive_index;
613 extern struct cvar_s mod_q3shader_force_addalpha;
614 extern struct cvar_s mod_q3shader_force_terrain_alphaflag;
615 extern struct cvar_s mod_q3bsp_lightgrid_texture;
616 extern struct cvar_s mod_q3bsp_lightgrid_world_surfaces;
617 extern struct cvar_s mod_q3bsp_lightgrid_bsp_surfaces;
619 void Mod_Init (void);
620 void Mod_Reload (void);
621 dp_model_t *Mod_LoadModel(dp_model_t *mod, qbool crash, qbool checkdisk);
622 dp_model_t *Mod_FindName (const char *name, const char *parentname);
623 dp_model_t *Mod_ForName (const char *name, qbool crash, qbool checkdisk, const char *parentname);
624 void Mod_UnloadModel (dp_model_t *mod);
626 void Mod_ClearUsed(void);
627 void Mod_PurgeUnused(void);
628 void Mod_RemoveStaleWorldModels(dp_model_t *skip); // only used during loading!
630 extern dp_model_t *loadmodel;
631 extern char loadname[32]; // for hunk tags
633 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
634 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qbool areaweighting);
635 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, qbool areaweighting);
637 qbool Mod_ValidateElements(int *element3i, unsigned short *element3s, int numtriangles, int firstvertex, int numvertices, const char *filename, int fileline);
638 void Mod_AllocSurfMesh(struct mempool_s *mempool, int numvertices, int numtriangles, qbool lightmapoffsets, qbool vertexcolors);
639 void Mod_MakeSortedSurfaces(dp_model_t *mod);
641 // called specially by brush model loaders before generating submodels
642 // automatically called after model loader returns
643 void Mod_BuildVBOs(void);
645 shadowmesh_t *Mod_ShadowMesh_Alloc(struct mempool_s *mempool, int maxverts, int maxtriangles);
646 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, const float *vertex3f);
647 void Mod_ShadowMesh_AddMesh(shadowmesh_t *mesh, const float *vertex3f, int numtris, const int *element3i);
648 shadowmesh_t *Mod_ShadowMesh_Begin(struct mempool_s *mempool, int maxverts, int maxtriangles);
649 shadowmesh_t *Mod_ShadowMesh_Finish(shadowmesh_t *firstmesh, qbool createvbo);
650 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
651 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
653 void Mod_CreateCollisionMesh(dp_model_t *mod);
655 void Mod_FreeQ3Shaders(void);
656 void Mod_LoadQ3Shaders(void);
657 shader_t *Mod_LookupQ3Shader(const char *name);
658 qbool Mod_LoadTextureFromQ3Shader(struct mempool_s *mempool, const char *modelname, texture_t *texture, const char *name, qbool warnmissing, qbool fallback, int defaulttexflags, int defaultmaterialflags);
659 texture_shaderpass_t *Mod_CreateShaderPass(struct mempool_s *mempool, skinframe_t *skinframe);
660 texture_shaderpass_t *Mod_CreateShaderPassFromQ3ShaderLayer(struct mempool_s *mempool, const char *modelname, q3shaderinfo_layer_t *layer, int layerindex, int texflags, const char *texturename);
661 /// Sets up a material to render the provided skinframe. See also R_SkinFrame_LoadInternalBGRA.
662 void Mod_LoadCustomMaterial(struct mempool_s *mempool, texture_t *texture, const char *name, int supercontents, int materialflags, skinframe_t *skinframe);
663 /// Removes all shaderpasses from material, and optionally deletes the textures in the skinframes.
664 void Mod_UnloadCustomMaterial(texture_t *texture, qbool purgeskins);
666 extern struct cvar_s r_mipskins;
667 extern struct cvar_s r_mipnormalmaps;
669 typedef struct skinfileitem_s
671 struct skinfileitem_s *next;
672 char name[MAX_QPATH];
673 char replacement[MAX_QPATH];
677 typedef struct skinfile_s
679 struct skinfile_s *next;
680 skinfileitem_t *items;
684 skinfile_t *Mod_LoadSkinFiles(void);
685 void Mod_FreeSkinFiles(skinfile_t *skinfile);
686 int Mod_CountSkinFiles(skinfile_t *skinfile);
687 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername);
689 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
690 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);
691 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer);
693 typedef struct mod_alloclightmap_row_s
698 mod_alloclightmap_row_t;
700 typedef struct mod_alloclightmap_state_s
705 mod_alloclightmap_row_t *rows;
707 mod_alloclightmap_state_t;
709 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, struct mempool_s *mempool, int width, int height);
710 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state);
711 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state);
712 qbool Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy);
715 void Mod_BrushInit(void);
716 // used for talking to the QuakeC mainly
717 int Mod_Q1BSP_NativeContentsFromSuperContents(int supercontents);
718 int Mod_Q1BSP_SuperContentsFromNativeContents(int nativecontents);
719 // used for loading wal files in Mod_LoadTextureFromQ3Shader
720 int Mod_Q2BSP_SuperContentsFromNativeContents(int nativecontents);
721 int Mod_Q2BSP_NativeContentsFromSuperContents(int supercontents);
723 // a lot of model formats use the Q1BSP code, so here are the prototypes...
724 struct entity_render_s;
725 void R_Mod_DrawAddWaterPlanes(struct entity_render_s *ent);
726 void R_Mod_DrawSky(struct entity_render_s *ent);
727 void R_Mod_Draw(struct entity_render_s *ent);
728 void R_Mod_DrawDepth(struct entity_render_s *ent);
729 void R_Mod_DrawDebug(struct entity_render_s *ent);
730 void R_Mod_DrawPrepass(struct entity_render_s *ent);
731 void R_Mod_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, qbool noocclusion);
732 void R_Mod_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
733 void R_Mod_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);
734 void R_Mod_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
736 // dynamic mesh building (every frame) for debugging and other uses
737 void Mod_Mesh_Create(dp_model_t *mod, const char *name);
738 void Mod_Mesh_Destroy(dp_model_t *mod);
739 void Mod_Mesh_Reset(dp_model_t *mod);
740 texture_t *Mod_Mesh_GetTexture(dp_model_t *mod, const char *name, int defaultdrawflags, int defaulttexflags, int defaultmaterialflags);
741 msurface_t *Mod_Mesh_AddSurface(dp_model_t *mod, texture_t *tex, qbool batchwithprevioussurface);
742 int Mod_Mesh_IndexForVertex(dp_model_t *mod, msurface_t *surf, float x, float y, float z, float nx, float ny, float nz, float s, float t, float u, float v, float r, float g, float b, float a);
743 void Mod_Mesh_AddTriangle(dp_model_t *mod, msurface_t *surf, int e0, int e1, int e2);
744 void Mod_Mesh_Validate(dp_model_t *mod);
745 void Mod_Mesh_Finalize(dp_model_t *mod);
747 // Collision optimization using Bounding Interval Hierarchy
748 void Mod_CollisionBIH_TracePoint(dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, struct trace_s *trace, const vec3_t start, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask);
749 void Mod_CollisionBIH_TraceLine(dp_model_t *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, int skipsupercontentsmask, int skipmaterialflagsmask);
750 void Mod_CollisionBIH_TraceBox(dp_model_t *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, int skipsupercontentsmask, int skipmaterialflagsmask);
751 void Mod_CollisionBIH_TraceBrush(dp_model_t *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, int skipsupercontentsmask, int skipmaterialflagsmask);
752 void Mod_CollisionBIH_TracePoint_Mesh(dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, struct trace_s *trace, const vec3_t start, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask);
753 qbool Mod_CollisionBIH_TraceLineOfSight(struct model_s *model, const vec3_t start, const vec3_t end, const vec3_t acceptmins, const vec3_t acceptmaxs);
754 int Mod_CollisionBIH_PointSuperContents(struct model_s *model, int frame, const vec3_t point);
755 int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t point);
756 bih_t *Mod_MakeCollisionBIH(dp_model_t *model, qbool userendersurfaces, bih_t *out);
761 void Mod_AliasInit(void);
762 int Mod_Alias_GetTagMatrix(const dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, int tagindex, matrix4x4_t *outmatrix);
763 int Mod_Alias_GetTagIndexForName(const dp_model_t *model, unsigned int skin, const char *tagname);
764 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);
766 void Mod_Skeletal_FreeBuffers(void);
769 void Mod_SpriteInit(void);
772 void Mod_2PSB_Load(dp_model_t *mod, void *buffer, void *bufferend);
773 void Mod_BSP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
774 void Mod_HLBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
775 void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
776 void Mod_IBSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
777 void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend);
778 void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend);
779 void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend);
780 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend);
781 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend);
782 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
783 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
784 void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
785 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend);
786 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend);
787 void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend);
789 #endif // MODEL_SHARED_H