/* Copyright (C) 1996-1997 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef __MODEL__ #define __MODEL__ #include "modelgen.h" #include "spritegn.h" struct hull_s; struct trace_s; struct wedict_s; struct model_s; struct world_s; typedef struct { // qboolean (*RecursiveHullCheck) (struct hull_s *hull, int num, float p1f, float p2f, vec3_t p1, vec3_t p2, struct trace_s *trace); // int (*HullPointContents) (struct hull_s *hull, vec3_t p); //return FTE contents int dummy; } hullfuncs_t; typedef struct { //deals with FTECONTENTS (assumes against solid) void (*PurgeModel) (struct model_s *mod); qboolean (*Trace) (struct model_s *model, int hulloverride, int frame, vec3_t p1, vec3_t p2, vec3_t mins, vec3_t maxs, struct trace_s *trace); unsigned int (*PointContents) (struct model_s *model, vec3_t p); unsigned int (*BoxContents) (struct model_s *model, int hulloverride, int frame, vec3_t p, vec3_t mins, vec3_t maxs); //deals with whatever is native for the bsp (gamecode is expected to distinguish this). qboolean (*NativeTrace) (struct model_s *model, int hulloverride, int frame, vec3_t p1, vec3_t p2, vec3_t mins, vec3_t maxs, unsigned int against, struct trace_s *trace); unsigned int (*NativeContents)(struct model_s *model, int hulloverride, int frame, vec3_t p, vec3_t mins, vec3_t maxs); unsigned int (*FatPVS) (struct model_s *model, vec3_t org, qbyte *pvsbuffer, unsigned int buffersize, qboolean merge); qboolean (*EdictInFatPVS) (struct model_s *model, struct pvscache_s *edict, qbyte *pvsbuffer); void (*FindTouchedLeafs) (struct model_s *model, struct pvscache_s *ent, vec3_t cullmins, vec3_t cullmaxs); //edict system as opposed to q2 game dll system. void (*LightPointValues) (struct model_s *model, vec3_t point, vec3_t res_diffuse, vec3_t res_ambient, vec3_t res_dir); void (*StainNode) (struct mnode_s *node, float *parms); void (*MarkLights) (struct dlight_s *light, int bit, struct mnode_s *node); qbyte *(*LeafPVS) (struct model_s *model, int num, qbyte *buffer, unsigned int buffersize); int (*LeafnumForPoint) (struct model_s *model, vec3_t point); } modelfuncs_t; typedef struct mesh_s { int numvertexes; int numindexes; /*position within its vbo*/ unsigned int vbofirstvert; unsigned int vbofirstelement; /*arrays used for rendering*/ vecV_t *xyz_array; vec3_t *normals_array; /*required for lighting*/ vec3_t *snormals_array;/*required for rtlighting*/ vec3_t *tnormals_array;/*required for rtlighting*/ vec2_t *st_array; /*texture coords*/ vec2_t *lmst_array; /*second texturecoord set (merely dubbed lightmap)*/ avec4_t *colors4f_array;/*floating point colours array*/ byte_vec4_t *colors4b_array;/*byte colours array*/ index_t *indexes; //required for shadow volumes int *trneighbors; vec3_t *trnormals; qboolean istrifan; /*if its a fan/poly/single quad (permits optimisations)*/ } mesh_t; extern mesh_t nullmesh; extern int gl_canbumpmap; typedef struct batch_s { mesh_t **mesh; /*list must be long enough for all surfaces that will form part of this batch times two, for mirrors/portals*/ unsigned int firstmesh; unsigned int meshes; struct batch_s *next; shader_t *shader; struct texture_s *texture; struct vbo_s *vbo; int lightmap; unsigned int maxmeshes; vec3_t normal; } batch_t; /* d*_t structures are on-disk representations m*_t structures are in-memory */ // entity effects #define EF_BRIGHTFIELD 1 #define EF_MUZZLEFLASH 2 #define EF_BRIGHTLIGHT 4 #define EF_DIMLIGHT 8 #define QWEF_FLAG1 16 //only applies to player entities #define NQEF_NODRAW 16 //so packet entities are free to get this instead #define QWEF_FLAG2 32 //only applies to player entities #define NQEF_ADDITIVE 32 //so packet entities are free to get this instead #define EF_BLUE 64 #define EF_RED 128 #define H2EF_NODRAW 128 //this is going to get complicated... #define EF_NODEPTHTEST 8192 //shows through walls. :( /* ============================================================================== BRUSH MODELS ============================================================================== */ // // in memory representation // // !!! if this is changed, it must be changed in asm_draw.h too !!! typedef struct { vec3_t position; } mvertex_t; #define SIDE_FRONT 0 #define SIDE_BACK 1 #define SIDE_ON 2 // plane_t structure // !!! if this is changed, it must be changed in asm_i386.h too !!! typedef struct mplane_s { vec3_t normal; float dist; qbyte type; // for texture axis selection and fast side tests qbyte signbits; // signx + signy<<1 + signz<<1 qbyte pad[2]; } mplane_t; typedef struct { texid_t base; texid_t bump; texid_t upperoverlay; texid_t loweroverlay; texid_t specular; texid_t fullbright; struct shader_s *shader; //fixme: remove... } texnums_t; typedef struct vbo_s { int numvisible; struct msurface_s **vislist; int meshcount; struct msurface_s **meshlist; int vboe; index_t *indicies; int vbocoord; vecV_t *coord; int vbotexcoord; vec2_t *texcoord; int vbolmcoord; vec2_t *lmcoord; int vbonormals; vec3_t *normals; int vbosvector; vec3_t *svector; int vbotvector; vec3_t *tvector; int vbocolours; vec4_t *colours4f; } vbo_t; void GL_SelectVBO(int vbo); void GL_SelectEBO(int vbo); typedef struct texture_s { char name[64]; unsigned width, height; qbyte pixbytes; qbyte alphaed; //gl_blend needed on this surface. int parttype; struct shader_s *shader; int wtexno; vbo_t vbo; int anim_total; // total tenths in sequence ( 0 = no) int anim_min, anim_max; // time for this frame min <=time< max struct texture_s *anim_next; // in the animation sequence struct texture_s *alternate_anims; // bmodels in frmae 1 use these unsigned offsets[MIPLEVELS]; // four mip maps stored } texture_t; /* typedef struct { float coord[3]; float texcoord[2]; float lmcoord[2]; float normals[3]; float svector[3]; float tvector[3]; } vbovertex_t; */ #define SURF_DRAWSKYBOX 0x00001 #define SURF_PLANEBACK 0x00002 #define SURF_DRAWSKY 0x00004 #define SURF_DRAWSPRITE 0x00008 #define SURF_DRAWTURB 0x00010 #define SURF_DRAWTILED 0x00020 #define SURF_DRAWBACKGROUND 0x00040 #define SURF_UNDERWATER 0x00080 #define SURF_DONTWARP 0x00100 #define SURF_BULLETEN 0x00200 #define SURF_NOFLAT 0x08000 #define SURF_DRAWALPHA 0x10000 // !!! if this is changed, it must be changed in asm_draw.h too !!! typedef struct { unsigned short v[2]; unsigned int cachededgeoffset; } medge_t; typedef struct mtexinfo_s { float vecs[2][4]; float mipadjust; texture_t *texture; int flags; //it's a q2 thing. int numframes; struct mtexinfo_s *next; } mtexinfo_t; #define SPECULAR #ifdef SPECULAR #define VERTEXSIZE 10 #else #define VERTEXSIZE 7 #endif typedef struct mfog_s { struct shader_s *shader; mplane_t *visibleplane; int numplanes; mplane_t **planes; } mfog_t; #if MAX_SWDECALS typedef struct decal_s { int xpos, ypos; struct msurface_s *owner; struct decal_s *next; struct decal_s *prev; } decal_t; #endif typedef struct msurface_s { mplane_t *plane; int flags; int firstedge; // look up in model->surfedges[], negative numbers int numedges; // are backwards edges short texturemins[2]; short extents[2]; int light_s, light_t; // gl lightmap coordinates mfog_t *fog; mesh_t *mesh; entity_t *ownerent; batch_t *sbatch; mtexinfo_t *texinfo; struct msurface_s **mark; int visframe; // should be drawn when node is crossed int shadowframe; // lighting info int dlightframe; int dlightbits; int lightmaptexturenum; qbyte styles[MAXLIGHTMAPS]; int cached_light[MAXLIGHTMAPS]; // values currently used in lightmap qboolean cached_dlight; // true if dynamic light in cache #ifdef PEXT_LIGHTSTYLECOL qbyte cached_colour[MAXLIGHTMAPS]; #endif #ifndef NOSTAINS qboolean stained; #endif qbyte *samples; // [numstyles*surfsize] #ifdef MAX_SWDECALS decal_t *decal; #endif } msurface_t; typedef struct mnode_s { // common with leaf int contents; // 0, to differentiate from leafs int visframe; // node needs to be traversed if current int shadowframe; float minmaxs[6]; // for bounding box culling struct mnode_s *parent; // node specific mplane_t *plane; struct mnode_s *children[2]; #ifdef Q2BSPS int childnum[2]; #endif unsigned short firstsurface; unsigned short numsurfaces; } mnode_t; typedef struct mleaf_s { // common with node int contents; // wil be a negative contents number int visframe; // node needs to be traversed if current int shadowframe; float minmaxs[6]; // for bounding box culling struct mnode_s *parent; // leaf specific qbyte *compressed_vis; msurface_t **firstmarksurface; int nummarksurfaces; int key; // BSP sequence number for leaf's contents qbyte ambient_sound_level[NUM_AMBIENTS]; #if defined(Q2BSPS) || defined(Q3BSPS) int cluster; struct mleaf_s *vischain; #endif #ifdef Q2BSPS //it's a q2 thing int area; unsigned short firstleafbrush; unsigned short numleafbrushes; unsigned short firstleafface; //q3 addititions unsigned short numleaffaces; unsigned short numleafpatches; unsigned short firstleafpatch; #endif } mleaf_t; typedef struct { float mins[3], maxs[3]; float origin[3]; int headnode[MAX_MAP_HULLSM]; int visleafs; // not including the solid leaf 0 int firstface, numfaces; qboolean hullavailable[MAX_MAP_HULLSM]; } mmodel_t; // !!! if this is changed, it must be changed in asm_i386.h too !!! typedef struct hull_s { dclipnode_t *clipnodes; mplane_t *planes; int firstclipnode; int lastclipnode; vec3_t clip_mins; vec3_t clip_maxs; int available; hullfuncs_t funcs; } hull_t; void Q1BSP_SetHullFuncs(hull_t *hull); void Q1BSP_SetModelFuncs(struct model_s *mod); void Q1BSP_Init(void); int Q1BSP_ClipDecal(vec3_t center, vec3_t normal, vec3_t tangent1, vec3_t tangent2, float size, float **out); qboolean Q1BSP_Trace(struct model_s *model, int forcehullnum, int frame, vec3_t start, vec3_t end, vec3_t mins, vec3_t maxs, struct trace_s *trace); qboolean Q1BSP_RecursiveHullCheck (hull_t *hull, int num, float p1f, float p2f, vec3_t p1, vec3_t p2, struct trace_s *trace); unsigned int Q1BSP_FatPVS (struct model_s *mod, vec3_t org, qbyte *pvsbuffer, unsigned int buffersize, qboolean add); qboolean Q1BSP_EdictInFatPVS(struct model_s *mod, struct pvscache_s *ent, qbyte *pvs); void Q1BSP_FindTouchedLeafs(struct model_s *mod, struct pvscache_s *ent, float *mins, float *maxs); qbyte *Q1BSP_LeafPVS (struct model_s *model, mleaf_t *leaf, qbyte *buffer, unsigned int buffersize); texnums_t R_InitSky (struct texture_s *mt); /* ============================================================================== SPRITE MODELS ============================================================================== */ // FIXME: shorten these? typedef struct mspriteframe_s { float up, down, left, right; shader_t *shader; } mspriteframe_t; mspriteframe_t *R_GetSpriteFrame (entity_t *currententity); typedef struct { int numframes; float *intervals; mspriteframe_t *frames[1]; } mspritegroup_t; typedef struct { spriteframetype_t type; mspriteframe_t *frameptr; } mspriteframedesc_t; typedef struct { int type; int maxwidth; int maxheight; int numframes; float beamlength; // remove? mspriteframedesc_t frames[1]; } msprite_t; /* ============================================================================== ALIAS MODELS Alias models are position independent, so the cache manager can move them. ============================================================================== */ #if 0 typedef struct { int s; int t; } mstvert_t; typedef struct { int firstpose; int numposes; float interval; dtrivertx_t bboxmin; dtrivertx_t bboxmax; vec3_t scale; vec3_t scale_origin; int frame; char name[16]; } maliasframedesc_t; typedef struct { dtrivertx_t bboxmin; dtrivertx_t bboxmax; int frame; } maliasgroupframedesc_t; typedef struct { int numframes; int intervals; maliasgroupframedesc_t frames[1]; } maliasgroup_t; // !!! if this is changed, it must be changed in asm_draw.h too !!! typedef struct mtriangle_s { int xyz_index[3]; int st_index[3]; int pad[2]; } mtriangle_t; #define MAX_SKINS 32 typedef struct { int ident; int version; vec3_t scale; vec3_t scale_origin; float boundingradius; vec3_t eyeposition; int numskins; int skinwidth; int skinheight; int numverts; int numtris; int numframes; synctype_t synctype; int flags; float size; int numposes; int poseverts; int posedata; // numposes*poseverts trivert_t int baseposedata; //original verts for triangles to reference int triangles; //we need tri data for shadow volumes int commands; // gl command list with embedded s/t int gl_texturenum[MAX_SKINS][4]; int texels[MAX_SKINS]; maliasframedesc_t frames[1]; // variable sized } aliashdr_t; #define MAXALIASVERTS 2048 #define ALIAS_Z_CLIP_PLANE 5 #define MAXALIASFRAMES 256 #define MAXALIASTRIS 2048 extern aliashdr_t *pheader; extern mstvert_t stverts[MAXALIASVERTS*2]; extern mtriangle_t triangles[MAXALIASTRIS]; extern dtrivertx_t *poseverts[MAXALIASFRAMES]; #endif /* ======================================================================== .MD2 triangle model file format ======================================================================== */ // LordHavoc: grabbed this from the Q2 utility source, // renamed a things to avoid conflicts #define MD2IDALIASHEADER (('2'<<24)+('P'<<16)+('D'<<8)+'I') #define MD2ALIAS_VERSION 8 #define MD2MAX_SKINNAME 64 //part of the format /* #define MD2MAX_TRIANGLES 4096 #define MD2MAX_FRAMES 512 #define MD2MAX_VERTS 2048 #define MD2MAX_SKINS 32 // sanity checking size #define MD2MAX_SIZE (1024*4200) */ typedef struct { short s; short t; } md2stvert_t; typedef struct { short index_xyz[3]; short index_st[3]; } md2triangle_t; typedef struct { qbyte v[3]; // scaled qbyte to fit in frame mins/maxs qbyte lightnormalindex; } md2trivertx_t; /* #define MD2TRIVERTX_V0 0 #define MD2TRIVERTX_V1 1 #define MD2TRIVERTX_V2 2 #define MD2TRIVERTX_LNI 3 #define MD2TRIVERTX_SIZE 4 */ typedef struct { float scale[3]; // multiply qbyte verts by this float translate[3]; // then add this char name[16]; // frame name from grabbing md2trivertx_t verts[1]; // variable sized } md2frame_t; // the glcmd format: // a positive integer starts a tristrip command, followed by that many // vertex structures. // a negative integer starts a trifan command, followed by -x vertexes // a zero indicates the end of the command list. // a vertex consists of a floating point s, a floating point t, // and an integer vertex index. typedef struct { int ident; int version; int skinwidth; int skinheight; int framesize; // qbyte size of each frame int num_skins; int num_xyz; int num_st; // greater than num_xyz for seams int num_tris; int num_glcmds; // dwords in strip/fan command list int num_frames; int ofs_skins; // each skin is a MAX_SKINNAME string int ofs_st; // qbyte offset from start for stverts int ofs_tris; // offset for dtriangles int ofs_frames; // offset for first frame int ofs_glcmds; int ofs_end; // end of file } md2_t; //#define ALIASTYPE_MDL 1 //#define ALIASTYPE_MD2 2 //=================================================================== typedef struct { qbyte ambient[3]; qbyte diffuse[3]; qbyte direction[2]; } dq3gridlight_t; typedef struct { unsigned char ambient[4][3]; unsigned char diffuse[4][3]; unsigned char styles[4]; unsigned char direction[2]; } rbspgridlight_t; //q3 based typedef struct { int gridBounds[4]; //3 = 0*1 vec3_t gridMins; vec3_t gridSize; int numlightgridelems; //rbsp specific rbspgridlight_t *rbspelements; unsigned short *rbspindexes; //non-rbsp specific dq3gridlight_t *lightgrid; //the reason rbsp is seperate from the non-rbsp is because it allows better memory compression. //I chose not to expand at loadtime because q3 would suffer from greater cache misses. } q3lightgridinfo_t; // // Whole model // typedef enum {mod_brush, mod_sprite, mod_alias, mod_dummy, mod_halflife, mod_heightmap} modtype_t; typedef enum {fg_quake, fg_quake2, fg_quake3, fg_halflife, fg_new, fg_doom} fromgame_t; //useful when we have very similar model types. (eg quake/halflife bsps) #define EF_ROCKET 1 // leave a trail #define EF_GRENADE 2 // leave a trail #define EF_GIB 4 // leave a trail #define EF_ROTATE 8 // rotate (bonus items) #define EF_TRACER 16 // green split trail #define EF_ZOMGIB 32 // small blood trail #define EF_TRACER2 64 // orange split trail + rotate #define EF_TRACER3 128 // purple trail //hexen2 support. #define EFH2_FIREBALL 256 // Yellow transparent trail in all directions #define EFH2_ICE 512 // Blue-white transparent trail, with gravity #define EFH2_MIP_MAP 1024 // This model has mip-maps #define EFH2_SPIT 2048 // Black transparent trail with negative light #define EFH2_TRANSPARENT 4096 // Transparent sprite #define EFH2_SPELL 8192 // Vertical spray of particles #define EFH2_HOLEY 16384 // Solid model with color 0 #define EFH2_SPECIAL_TRANS 32768 // Translucency through the particle table #define EFH2_FACE_VIEW 65536 // Poly Model always faces you #define EFH2_VORP_MISSILE 131072 // leave a trail at top and bottom of model #define EFH2_SET_STAFF 262144 // slowly move up and left/right #define EFH2_MAGICMISSILE 524288 // a trickle of blue/white particles with gravity #define EFH2_BONESHARD 1048576 // a trickle of brown particles with gravity #define EFH2_SCARAB 2097152 // white transparent particles with little gravity #define EFH2_ACIDBALL 4194304 // Green drippy acid shit #define EFH2_BLOODSHOT 8388608 // Blood rain shot trail typedef union { struct { int numlinedefs; int numsidedefs; int numsectors; } doom; } specificmodeltype_t; typedef struct model_s { char name[MAX_QPATH]; qboolean needload; // bmodels and sprites don't cache normally qboolean tainted; qboolean pushdepth; // bsp submodels have this flag set so you don't get z fighting on co-planar surfaces. modtype_t type; fromgame_t fromgame; int numframes; synctype_t synctype; int flags; int engineflags; int particleeffect; int particletrail; int traildefaultindex; // // volume occupied by the model graphics // vec3_t mins, maxs; float radius; float clampscale; // // solid volume for clipping // qboolean clipbox; vec3_t clipmins, clipmaxs; // // brush model // int firstmodelsurface, nummodelsurfaces; int numsubmodels; mmodel_t *submodels; int numplanes; mplane_t *planes; int numleafs; // number of visible leafs, not counting 0 mleaf_t *leafs; int numvertexes; mvertex_t *vertexes; int numedges; medge_t *edges; int numnodes; mnode_t *nodes; int numtexinfo; mtexinfo_t *texinfo; int numsurfaces; msurface_t *surfaces; int numsurfedges; int *surfedges; int numclipnodes; dclipnode_t *clipnodes; int nummarksurfaces; msurface_t **marksurfaces; hull_t hulls[MAX_MAP_HULLSM]; int numtextures; texture_t **textures; qbyte *visdata; void *vis; qbyte *lightdata; qbyte *deluxdata; q3lightgridinfo_t *lightgrid; char *entities; void *terrain; batch_t *batches; unsigned checksum; unsigned checksum2; modelfuncs_t funcs; // // additional model data // cache_user_t cache; // only access through Mod_Extradata } model_t; #define MDLF_ENGULPHS 0x001 // particle effect engulphs model (don't draw) #define MDLF_NODEFAULTTRAIL 0x002 #define MDLF_RGBLIGHTING 0x004 #define MDLF_PLAYER 0x008 // players have specific lighting values #define MDLF_FLAME 0x010 // can be excluded with r_drawflame, fullbright render hack #define MDLF_DOCRC 0x020 // model needs CRC built #define MDLF_NEEDOVERBRIGHT 0x040 // only overbright these models with gl_overbright_all set #define MDLF_BOLT 0x080 // doesn't produce shadows #define MDLF_NOTREPLACEMENTS 0x100 // can be considered a cheat, disable texture replacements //============================================================================ /* void Mod_Init (void); void Mod_ClearAll (void); model_t *Mod_ForName (char *name, qboolean crash); model_t *Mod_FindName (char *name); void *Mod_Extradata (model_t *mod); // handles caching void Mod_TouchModel (char *name); mleaf_t *Mod_PointInLeaf (float *p, model_t *model); qbyte *Mod_LeafPVS (mleaf_t *leaf, model_t *model); */ #endif // __MODEL__ #ifdef Q2BSPS void CM_InitBoxHull (void); #ifdef __cplusplus //#pragma message (" c++ stinks") #else void CM_Init(void); qboolean CM_SetAreaPortalState (struct model_s *mod, int portalnum, qboolean open); qboolean CM_HeadnodeVisible (struct model_s *mod, int nodenum, qbyte *visbits); qboolean VARGS CM_AreasConnected (struct model_s *mod, int area1, int area2); int CM_NumClusters (struct model_s *mod); int CM_ClusterSize (struct model_s *mod); int CM_LeafContents (struct model_s *mod, int leafnum); int CM_LeafCluster (struct model_s *mod, int leafnum); int CM_LeafArea (struct model_s *mod, int leafnum); int CM_WriteAreaBits (struct model_s *mod, qbyte *buffer, int area); int CM_PointLeafnum (struct model_s *mod, vec3_t p); qbyte *CM_ClusterPVS (struct model_s *mod, int cluster, qbyte *buffer, unsigned int buffersize); qbyte *CM_ClusterPHS (struct model_s *mod, int cluster); int CM_BoxLeafnums (struct model_s *mod, vec3_t mins, vec3_t maxs, int *list, int listsize, int *topnode); int CM_PointContents (struct model_s *mod, vec3_t p); int CM_TransformedPointContents (struct model_s *mod, vec3_t p, int headnode, vec3_t origin, vec3_t angles); struct trace_s CM_BoxTrace (struct model_s *mod, vec3_t start, vec3_t end, vec3_t mins, vec3_t maxs, int brushmask); int CM_HeadnodeForBox (struct model_s *mod, vec3_t mins, vec3_t maxs); struct trace_s CM_TransformedBoxTrace (struct model_s *mod, vec3_t start, vec3_t end, vec3_t mins, vec3_t maxs, int brushmask, vec3_t origin, vec3_t angles); struct model_s *CM_TempBoxModel(vec3_t mins, vec3_t maxs); void VARGS CMQ2_SetAreaPortalState (int portalnum, qboolean open); void CMQ3_SetAreaPortalState (int area1, int area2, qboolean open); #endif #endif //Q2BSPS typedef struct { aliasskintype_t type; void *pcachespot; int skin; } maliasskindesc_t; typedef struct { int numskins; int intervals; maliasskindesc_t skindescs[1]; } maliasskingroup_t;