diff options
Diffstat (limited to 'QW/client/gl_model.h')
| -rw-r--r-- | QW/client/gl_model.h | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/QW/client/gl_model.h b/QW/client/gl_model.h new file mode 100644 index 0000000..65583e3 --- /dev/null +++ b/QW/client/gl_model.h @@ -0,0 +1,436 @@ +/* +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" + +/* + +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 EF_FLAG1 16 +#define EF_FLAG2 32 +#define EF_BLUE 64 +#define EF_RED 128 + +/* +============================================================================== + +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; + byte type; // for texture axis selection and fast side tests + byte signbits; // signx + signy<<1 + signz<<1 + byte pad[2]; +} mplane_t; + +typedef struct texture_s +{ + char name[16]; + unsigned width, height; + int gl_texturenum; + struct msurface_s *texturechain; // for gl_texsort drawing + 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; + + +#define SURF_PLANEBACK 2 +#define SURF_DRAWSKY 4 +#define SURF_DRAWSPRITE 8 +#define SURF_DRAWTURB 0x10 +#define SURF_DRAWTILED 0x20 +#define SURF_DRAWBACKGROUND 0x40 +#define SURF_UNDERWATER 0x80 +#define SURF_DONTWARP 0x100 + +// !!! 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 +{ + float vecs[2][4]; + float mipadjust; + texture_t *texture; + int flags; +} mtexinfo_t; + +#define VERTEXSIZE 7 + +typedef struct glpoly_s +{ + struct glpoly_s *next; + struct glpoly_s *chain; + int numverts; + int flags; // for SURF_UNDERWATER + float verts[4][VERTEXSIZE]; // variable sized (xyz s1t1 s2t2) +} glpoly_t; + +typedef struct msurface_s +{ + int visframe; // should be drawn when node is crossed + + 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 + + glpoly_t *polys; // multiple if warped + struct msurface_s *texturechain; + + mtexinfo_t *texinfo; + +// lighting info + int dlightframe; + int dlightbits; + + int lightmaptexturenum; + byte styles[MAXLIGHTMAPS]; + int cached_light[MAXLIGHTMAPS]; // values currently used in lightmap + qboolean cached_dlight; // true if dynamic light in cache + byte *samples; // [numstyles*surfsize] +} 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 + + float minmaxs[6]; // for bounding box culling + + struct mnode_s *parent; + +// node specific + mplane_t *plane; + struct mnode_s *children[2]; + + 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 + + float minmaxs[6]; // for bounding box culling + + struct mnode_s *parent; + +// leaf specific + byte *compressed_vis; + efrag_t *efrags; + + msurface_t **firstmarksurface; + int nummarksurfaces; + int key; // BSP sequence number for leaf's contents + byte ambient_sound_level[NUM_AMBIENTS]; +} mleaf_t; + +// !!! if this is changed, it must be changed in asm_i386.h too !!! +typedef struct +{ + dclipnode_t *clipnodes; + mplane_t *planes; + int firstclipnode; + int lastclipnode; + vec3_t clip_mins; + vec3_t clip_maxs; +} hull_t; + +/* +============================================================================== + +SPRITE MODELS + +============================================================================== +*/ + + +// FIXME: shorten these? +typedef struct mspriteframe_s +{ + int width; + int height; + float up, down, left, right; + int gl_texturenum; +} mspriteframe_t; + +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? + void *cachespot; // remove? + mspriteframedesc_t frames[1]; +} msprite_t; + + +/* +============================================================================== + +ALIAS MODELS + +Alias models are position independent, so the cache manager can move them. +============================================================================== +*/ + +typedef struct +{ + int firstpose; + int numposes; + float interval; + trivertx_t bboxmin; + trivertx_t bboxmax; + int frame; + char name[16]; +} maliasframedesc_t; + +typedef struct +{ + trivertx_t bboxmin; + trivertx_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 facesfront; + int vertindex[3]; +} 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 commands; // gl command list with embedded s/t + int gl_texturenum[MAX_SKINS][4]; + maliasframedesc_t frames[1]; // variable sized +} aliashdr_t; + +#define MAXALIASVERTS 1024 +#define MAXALIASFRAMES 256 +#define MAXALIASTRIS 2048 +extern aliashdr_t *pheader; +extern stvert_t stverts[MAXALIASVERTS]; +extern mtriangle_t triangles[MAXALIASTRIS]; +extern trivertx_t *poseverts[MAXALIASFRAMES]; + +//=================================================================== + +// +// Whole model +// + +typedef enum {mod_brush, mod_sprite, mod_alias} modtype_t; + +#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 + +typedef struct model_s +{ + char name[MAX_QPATH]; + qboolean needload; // bmodels and sprites don't cache normally + + modtype_t type; + int numframes; + synctype_t synctype; + + int flags; + +// +// volume occupied by the model graphics +// + vec3_t mins, maxs; + float radius; + +// +// solid volume for clipping +// + qboolean clipbox; + vec3_t clipmins, clipmaxs; + +// +// brush model +// + int firstmodelsurface, nummodelsurfaces; + + int numsubmodels; + dmodel_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_HULLS]; + + int numtextures; + texture_t **textures; + + byte *visdata; + byte *lightdata; + char *entities; + + unsigned checksum; + unsigned checksum2; + +// +// additional model data +// + cache_user_t cache; // only access through Mod_Extradata + +} model_t; + +//============================================================================ + +void Mod_Init (void); +void Mod_ClearAll (void); +model_t *Mod_ForName (char *name, qboolean crash); +void *Mod_Extradata (model_t *mod); // handles caching +void Mod_TouchModel (char *name); + +mleaf_t *Mod_PointInLeaf (float *p, model_t *model); +byte *Mod_LeafPVS (mleaf_t *leaf, model_t *model); + +#endif // __MODEL__ |