ref: da3a52a4ad18fa6deb154e0e4b71b755699d5b3b
dir: /bspfile.h/
// upper design bounds
#define MAX_MAP_HULLS 4
#define MAX_MAP_MODELS 256
#define MAX_MAP_BRUSHES 4096
#define MAX_MAP_ENTSTRING 65536
#define MAX_MAP_PLANES 32767
#define MAX_MAP_NODES 32767 // because negative shorts are contents
#define MAX_MAP_CLIPNODES 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_TEXTURES 512
#define MAX_MAP_MIPTEX 0x200000
#define MAX_MAP_LIGHTING 0x100000
#define MAX_MAP_VISIBILITY 0x100000
#define MAX_MAP_PORTALS 65536
// key / value pair sizes
#define MAX_KEY 32
#define MAX_VALUE 1024
//=============================================================================
#define BSPVERSION 29
#define BSP2VERSION ('B'|'S'<<8|'P'<<16|'2'<<24)
#define TOOLVERSION 2
#pragma pack on
typedef struct
{
int fileofs, 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], maxs[3];
float origin[3];
int headnode[MAX_MAP_HULLS];
int visleafs; // not including the solid leaf 0
int firstface, 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;
enum {
// 0-2 are axial planes
PLANE_X,
PLANE_Y,
PLANE_Z,
// 3-5 are non-axial planes snapped to the nearest
PLANE_ANYX,
PLANE_ANYY,
PLANE_ANYZ,
};
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
#define CONTENTS_ORIGIN -7 // removed at csg time
#define CONTENTS_CLIP -8 // changed to contents_solid
#define CONTENTS_CURRENT_0 -9
#define CONTENTS_CURRENT_90 -10
#define CONTENTS_CURRENT_180 -11
#define CONTENTS_CURRENT_270 -12
#define CONTENTS_CURRENT_UP -13
#define CONTENTS_CURRENT_DOWN -14
// !!! 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;
int children[2]; // negative numbers are -(leafs+1), not nodes
float mins[3]; // for sphere culling
float maxs[3];
unsigned int firstface;
unsigned int numfaces; // counting both sides
} bsp2_dnode_t;
typedef struct
{
int planenum;
short children[2]; // negative numbers are contents
} dclipnode_t;
typedef struct
{
int planenum;
int children[2]; // negative numbers are contents
} bsp2_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;
typedef struct
{
unsigned int v[2];
} bsp2_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;
typedef struct
{
int planenum;
int side;
int firstedge; // we must support > 64k edges
int numedges;
int texinfo;
// lighting info
byte styles[MAXLIGHTMAPS];
int lightofs; // start of [numstyles*surfsize] samples
} bsp2_dface_t;
// 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[Namb];
} dleaf_t;
typedef struct
{
int contents;
int visofs; // -1 = no visibility info
float mins[3]; // for frustum culling
float maxs[3];
unsigned int firstmarksurface;
unsigned int nummarksurfaces;
byte ambient_level[Namb];
} bsp2_dleaf_t;
#pragma pack off
//============================================================================
#ifndef QUAKE_GAME
#define ANGLE_UP -1
#define ANGLE_DOWN -2
// the utilities get to be lazy and just use large static arrays
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 DecompressVis (byte *in, byte *decompressed);
int CompressVis (byte *vis, byte *dest);
void LoadBSPFile (char *filename);
void WriteBSPFile (char *filename);
void PrintBSPFileSizes (void);
#endif