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bspfile.h
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bspfile.h
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/* 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.
*/
/*
* common/bspfile.h
* Modifications by Kevin Shanahan
*/
#ifndef __COMMON_BSPFILE_H__
#define __COMMON_BSPFILE_H__
/* upper design bounds */
#define MAX_MAP_HULLS 4
#define MAX_MAP_MODELS 256
#define MAX_MAP_BRUSHES 4096
#define MAX_MAP_ENTITIES 2050 /* TYR - was 1024 */
#define MAX_MAP_ENTSTRING 131071 /* TYR - was 65535 */
#define MAX_MAP_PLANES 16384 /* TYR - was 8192 */
#define MAX_MAP_NODES 32767 /* because negative shorts are contents */
#define MAX_MAP_CLIPNODES 32767
#define MAX_MAP_LEAFS 32767
#define MAX_MAP_VERTS 65535
#define MAX_MAP_FACES 65535
#define MAX_MAP_MARKSURFACES 65535
#define MAX_MAP_TEXINFO 4096
#define MAX_MAP_EDGES 256000
#define MAX_MAP_SURFEDGES 512000
#define MAX_MAP_MIPTEX 0x200000
#define MAX_MAP_LIGHTING 0x400000 /* TYR - *4 for RGBA, was 0x100000 */
#define MAX_MAP_VISIBILITY 0x100000
/* key / value pair sizes */
#define MAX_KEY 32
#define MAX_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 {
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 miptex_t miptex[512];
extern int nummiptex;
extern int nummodels;
extern dmodel_t dmodels[MAX_MAP_MODELS];
extern int visdatasize;
extern byte dvisdata[MAX_MAP_VISIBILITY];
extern int lightdatasize;
extern byte dlightdata[MAX_MAP_LIGHTING];
extern int texdatasize;
extern byte dtexdata[MAX_MAP_MIPTEX]; /* (dmiptexlump_t) */
extern int entdatasize;
extern char dentdata[MAX_MAP_ENTSTRING];
extern int numleafs;
extern dleaf_t dleafs[MAX_MAP_LEAFS];
extern int numplanes;
extern dplane_t dplanes[MAX_MAP_PLANES];
extern int numvertexes;
extern dvertex_t dvertexes[MAX_MAP_VERTS];
extern int numnodes;
extern dnode_t dnodes[MAX_MAP_NODES];
extern int numtexinfo;
extern texinfo_t texinfo[MAX_MAP_TEXINFO];
extern int numfaces;
extern dface_t dfaces[MAX_MAP_FACES];
extern int numclipnodes;
extern dclipnode_t dclipnodes[MAX_MAP_CLIPNODES];
extern int numedges;
extern dedge_t dedges[MAX_MAP_EDGES];
extern int nummarksurfaces;
extern unsigned short dmarksurfaces[MAX_MAP_MARKSURFACES];
extern int numsurfedges;
extern int dsurfedges[MAX_MAP_SURFEDGES];
void LoadBSPFile (char *filename);
/* TYR - was: void WriteBSPFile (char *filename); */
void WriteBSPFile (char *filename, int version);
void PrintBSPFileSizes (void);
#endif /* __COMMON_BSPFILE_H__ */