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Diffstat (limited to 'source/sw_model.h')
| -rw-r--r-- | source/sw_model.h | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/source/sw_model.h b/source/sw_model.h new file mode 100644 index 0000000..67a12fc --- /dev/null +++ b/source/sw_model.h @@ -0,0 +1,246 @@ +/* +Copyright (C) 1997-2001 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__ + +/* + +d*_t structures are on-disk representations +m*_t structures are in-memory + +*/ + + +/* +============================================================================== + +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; + + +// !!! 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; + image_t *image; + int flags; + int numframes; + struct mtexinfo_s *next; // animation chain +} mtexinfo_t; + +typedef struct msurface_s +{ + int visframe; // should be drawn when node is crossed + + int dlightframe; + int dlightbits; + + mplane_t *plane; + int flags; + + int firstedge; // look up in model->surfedges[], negative numbers + int numedges; // are backwards edges + +// surface generation data + struct surfcache_s *cachespots[MIPLEVELS]; + + short texturemins[2]; + short extents[2]; + + mtexinfo_t *texinfo; + +// lighting info + byte styles[MAXLIGHTMAPS]; + byte *samples; // [numstyles*surfsize] + + struct msurface_s *nextalphasurface; +} msurface_t; + + +#define CONTENTS_NODE -1 +typedef struct mnode_s +{ +// common with leaf + int contents; // CONTENTS_NODE, to differentiate from leafs + int visframe; // node needs to be traversed if current + + short 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 something other than CONTENTS_NODE + int visframe; // node needs to be traversed if current + + short minmaxs[6]; // for bounding box culling + + struct mnode_s *parent; + +// leaf specific + int cluster; + int area; + + msurface_t **firstmarksurface; + int nummarksurfaces; + int key; // BSP sequence number for leaf's contents +} mleaf_t; + + +//=================================================================== + +// +// Whole model +// + +typedef enum {mod_bad, mod_brush, mod_sprite, mod_alias } modtype_t; + +typedef struct model_s +{ + char name[MAX_QPATH]; + + int registration_sequence; + + modtype_t type; + int numframes; + + int flags; + +// +// volume occupied by the model graphics +// + vec3_t mins, maxs; + +// +// solid volume for clipping (sent from server) +// + 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; + int firstnode; + mnode_t *nodes; + + int numtexinfo; + mtexinfo_t *texinfo; + + int numsurfaces; + msurface_t *surfaces; + + int numsurfedges; + int *surfedges; + + int nummarksurfaces; + msurface_t **marksurfaces; + + dvis_t *vis; + + byte *lightdata; + + // for alias models and sprites + image_t *skins[MAX_MD2SKINS]; + mempool_t pool; +} model_t; + +//============================================================================ +model_t *R_ModelForHandle( qhandle_t hModel ); + +void Mod_Init (void); +void Mod_ClearAll (void); +void *Mod_Extradata (model_t *mod); // handles caching +void Mod_TouchModel (char *name); + +mleaf_t *Mod_PointInLeaf (float *p, model_t *model); +byte *Mod_ClusterPVS (int cluster, model_t *model); + +void Mod_Modellist_f (void); +void Mod_FreeAll (void); +void Mod_Free (model_t *mod); + +extern int registration_sequence; + +#endif // __MODEL__ |