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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code 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.
Quake III Arena source code 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
// upper design bounds
#define Q1_MAX_MAP_HULLS 4
#define Q1_MAX_MAP_MODELS 256
#define Q1_MAX_MAP_BRUSHES 4096
#define Q1_MAX_MAP_ENTITIES 1024
#define Q1_MAX_MAP_ENTSTRING 65536
#define Q1_MAX_MAP_PLANES 8192
#define Q1_MAX_MAP_NODES 32767 // because negative shorts are contents
#define Q1_MAX_MAP_CLIPNODES 32767 //
#define Q1_MAX_MAP_LEAFS 32767 //
#define Q1_MAX_MAP_VERTS 65535
#define Q1_MAX_MAP_FACES 65535
#define Q1_MAX_MAP_MARKSURFACES 65535
#define Q1_MAX_MAP_TEXINFO 4096
#define Q1_MAX_MAP_EDGES 256000
#define Q1_MAX_MAP_SURFEDGES 512000
#define Q1_MAX_MAP_MIPTEX 0x200000
#define Q1_MAX_MAP_LIGHTING 0x100000
#define Q1_MAX_MAP_VISIBILITY 0x100000
// key / value pair sizes
#define MAX_KEY 32
#define MAX_VALUE 1024
//=============================================================================
#define Q1_BSPVERSION 29
typedef struct
{
int fileofs, filelen;
} q1_lump_t;
#define Q1_LUMP_ENTITIES 0
#define Q1_LUMP_PLANES 1
#define Q1_LUMP_TEXTURES 2
#define Q1_LUMP_VERTEXES 3
#define Q1_LUMP_VISIBILITY 4
#define Q1_LUMP_NODES 5
#define Q1_LUMP_TEXINFO 6
#define Q1_LUMP_FACES 7
#define Q1_LUMP_LIGHTING 8
#define Q1_LUMP_CLIPNODES 9
#define Q1_LUMP_LEAFS 10
#define Q1_LUMP_MARKSURFACES 11
#define Q1_LUMP_EDGES 12
#define Q1_LUMP_SURFEDGES 13
#define Q1_LUMP_MODELS 14
#define Q1_HEADER_LUMPS 15
typedef struct
{
float mins[3], maxs[3];
float origin[3];
int headnode[Q1_MAX_MAP_HULLS];
int visleafs; // not including the solid leaf 0
int firstface, numfaces;
} q1_dmodel_t;
typedef struct
{
int version;
q1_lump_t lumps[Q1_HEADER_LUMPS];
} q1_dheader_t;
typedef struct
{
int nummiptex;
int dataofs[4]; // [nummiptex]
} q1_dmiptexlump_t;
#define MIPLEVELS 4
typedef struct q1_miptex_s
{
char name[16];
unsigned width, height;
unsigned offsets[MIPLEVELS]; // four mip maps stored
} q1_miptex_t;
typedef struct
{
float point[3];
} q1_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
} q1_dplane_t;
#define Q1_CONTENTS_EMPTY -1
#define Q1_CONTENTS_SOLID -2
#define Q1_CONTENTS_WATER -3
#define Q1_CONTENTS_SLIME -4
#define Q1_CONTENTS_LAVA -5
#define Q1_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
} q1_dnode_t;
typedef struct
{
int planenum;
short children[2]; // negative numbers are contents
} q1_dclipnode_t;
typedef struct q1_texinfo_s
{
float vecs[2][4]; // [s/t][xyz offset]
int miptex;
int flags;
} q1_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
} q1_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
} q1_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 Q1_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];
} q1_dleaf_t;
//============================================================================
#ifndef QUAKE_GAME
// the utilities get to be lazy and just use large static arrays
extern int q1_nummodels;
extern q1_dmodel_t *q1_dmodels;//[MAX_MAP_MODELS];
extern int q1_visdatasize;
extern byte *q1_dvisdata;//[MAX_MAP_VISIBILITY];
extern int q1_lightdatasize;
extern byte *q1_dlightdata;//[MAX_MAP_LIGHTING];
extern int q1_texdatasize;
extern byte *q1_dtexdata;//[MAX_MAP_MIPTEX]; // (dmiptexlump_t)
extern int q1_entdatasize;
extern char *q1_dentdata;//[MAX_MAP_ENTSTRING];
extern int q1_numleafs;
extern q1_dleaf_t *q1_dleafs;//[MAX_MAP_LEAFS];
extern int q1_numplanes;
extern q1_dplane_t *q1_dplanes;//[MAX_MAP_PLANES];
extern int q1_numvertexes;
extern q1_dvertex_t *q1_dvertexes;//[MAX_MAP_VERTS];
extern int q1_numnodes;
extern q1_dnode_t *q1_dnodes;//[MAX_MAP_NODES];
extern int q1_numtexinfo;
extern q1_texinfo_t *q1_texinfo;//[MAX_MAP_TEXINFO];
extern int q1_numfaces;
extern q1_dface_t *q1_dfaces;//[MAX_MAP_FACES];
extern int q1_numclipnodes;
extern q1_dclipnode_t *q1_dclipnodes;//[MAX_MAP_CLIPNODES];
extern int q1_numedges;
extern q1_dedge_t *q1_dedges;//[MAX_MAP_EDGES];
extern int q1_nummarksurfaces;
extern unsigned short *q1_dmarksurfaces;//[MAX_MAP_MARKSURFACES];
extern int q1_numsurfedges;
extern int *q1_dsurfedges;//[MAX_MAP_SURFEDGES];
void Q1_AllocMaxBSP(void);
void Q1_FreeMaxBSP(void);
void Q1_LoadBSPFile(char *filename, int offset, int length);
void Q1_WriteBSPFile(char *filename);
void Q1_PrintBSPFileSizes(void);
void Q1_ParseEntities(void);
void Q1_UnparseEntities(void);
#endif
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