/* 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 See file, 'COPYING', for details. */ #ifndef __COMMON_BSPFILE_H__ #define __COMMON_BSPFILE_H__ #include #include /* upper design bounds */ #define MAX_MAP_HULLS 4 #define MAX_MAP_MODELS 256 #define MAX_MAP_BRUSHES 4096 #define MAX_MAP_PLANES 16384 #define MAX_MAP_NODES 32767 /* negative shorts are contents */ #define MAX_MAP_CLIPNODES 65520 /* = 0xfff0; larger are contents */ #define MAX_MAP_LEAFS 32767 /* BSP file format limitation */ #define MAX_MAP_VERTS 65535 #define MAX_MAP_FACES 65535 #define MAX_MAP_MARKSURFACES 65535 #define MAX_MAP_TEXINFO 8192 #define MAX_MAP_EDGES 256000 #define MAX_MAP_SURFEDGES 512000 #define MAX_MAP_MIPTEX 0x0800000 #define MAX_MAP_LIGHTING 0x1000000 #define MAX_MAP_VISIBILITY 0x1000000 /* key / value pair sizes */ #define MAX_ENT_KEY 32 #define MAX_ENT_VALUE 1024 /* TYR - #define BSPVERSION 29 */ #define BSP_OLD_VERSION 29 #define BSP_COLORED_VERSION 30 /* ========================================================================= */ typedef struct { int fileofs; int filelen; } lump_t; #define LUMP_ENTITIES 0 #define LUMP_PLANES 1 #define LUMP_TEXTURES 2 #define LUMP_VERTEXES 3 #define LUMP_VISIBILITY 4 #define LUMP_NODES 5 #define LUMP_TEXINFO 6 #define LUMP_FACES 7 #define LUMP_LIGHTING 8 #define LUMP_CLIPNODES 9 #define LUMP_LEAFS 10 #define LUMP_MARKSURFACES 11 #define LUMP_EDGES 12 #define LUMP_SURFEDGES 13 #define LUMP_MODELS 14 #define HEADER_LUMPS 15 typedef struct { const char *name; size_t size; } lumpspec_t; extern const lumpspec_t lumpspec[HEADER_LUMPS]; typedef struct { float mins[3]; float maxs[3]; float origin[3]; int headnode[MAX_MAP_HULLS]; int visleafs; /* not including the solid leaf 0 */ int firstface; int numfaces; } dmodel_t; typedef struct { int version; lump_t lumps[HEADER_LUMPS]; } dheader_t; typedef struct { int nummiptex; int dataofs[4]; /* [nummiptex] */ } dmiptexlump_t; #define MIPLEVELS 4 typedef struct miptex_s { char name[16]; unsigned width, height; unsigned offsets[MIPLEVELS]; /* four mip maps stored */ } miptex_t; typedef struct { float point[3]; } dvertex_t; /* 0-2 are axial planes */ #define PLANE_X 0 #define PLANE_Y 1 #define PLANE_Z 2 /* 3-5 are non-axial planes snapped to the nearest */ #define PLANE_ANYX 3 #define PLANE_ANYY 4 #define PLANE_ANYZ 5 typedef struct { float normal[3]; float dist; int type; /* PLANE_X - PLANE_ANYZ ?remove? trivial to regenerate */ } dplane_t; #define CONTENTS_EMPTY -1 #define CONTENTS_SOLID -2 #define CONTENTS_WATER -3 #define CONTENTS_SLIME -4 #define CONTENTS_LAVA -5 #define CONTENTS_SKY -6 /* !!! if this is changed, it must be changed in asm_i386.h too !!! */ typedef struct { int planenum; short children[2]; /* negative numbers are -(leafs+1), not nodes */ short mins[3]; /* for sphere culling */ short maxs[3]; unsigned short firstface; unsigned short numfaces; /* counting both sides */ } dnode_t; typedef struct { int planenum; short children[2]; /* negative numbers are contents */ } dclipnode_t; typedef struct texinfo_s { float vecs[2][4]; /* [s/t][xyz offset] */ int miptex; int flags; } texinfo_t; #define TEX_SPECIAL 1 /* sky or slime, no lightmap or 256 subdivision */ /* note that edge 0 is never used, because negative edge nums are used for * counterclockwise use of the edge in a face */ typedef struct { unsigned short v[2]; /* vertex numbers */ } dedge_t; #define MAXLIGHTMAPS 4 typedef struct { short planenum; short side; int firstedge; /* we must support > 64k edges */ short numedges; short texinfo; /* lighting info */ byte styles[MAXLIGHTMAPS]; int lightofs; /* start of [numstyles*surfsize] samples */ } dface_t; #define AMBIENT_WATER 0 #define AMBIENT_SKY 1 #define AMBIENT_SLIME 2 #define AMBIENT_LAVA 3 #define NUM_AMBIENTS 4 /* automatic ambient sounds */ /* leaf 0 is the generic CONTENTS_SOLID leaf, used for all solid areas * all other leafs need visibility info */ typedef struct { int contents; int visofs; /* -1 = no visibility info */ short mins[3]; /* for frustum culling */ short maxs[3]; unsigned short firstmarksurface; unsigned short nummarksurfaces; byte ambient_level[NUM_AMBIENTS]; } dleaf_t; /* ========================================================================= */ /* the utilities get to be lazy and just use large static arrays */ extern int nummodels; extern dmodel_t *dmodels; extern int visdatasize; extern byte *dvisdata; extern int lightdatasize; extern byte *dlightdata; extern int texdatasize; extern byte *dtexdata; /* (dmiptexlump_t) */ extern int entdatasize; extern char *dentdata; extern int numleafs; extern dleaf_t *dleafs; extern int numplanes; extern dplane_t *dplanes; extern int numvertexes; extern dvertex_t *dvertexes; extern int numnodes; extern dnode_t *dnodes; extern int numtexinfo; extern texinfo_t *texinfo; extern int numfaces; extern dface_t *dfaces; extern int numclipnodes; extern dclipnode_t *dclipnodes; extern int numedges; extern dedge_t *dedges; extern int nummarksurfaces; extern unsigned short *dmarksurfaces; extern int numsurfedges; extern int *dsurfedges; /* LoadBSPFile returns the BSP version... */ int LoadBSPFile(const char *filename); void WriteBSPFile(const char *filename, int version); void PrintBSPFileSizes(void); #endif /* __COMMON_BSPFILE_H__ */