db8ca37fa3
git-svn-id: https://svn.code.sf.net/p/q3cellshading/code/trunk@2 db09e94b-7117-0410-a7e6-85ae5ff6e0e9
379 lines
8.9 KiB
C
379 lines
8.9 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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// upper design bounds
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// leaffaces, leafbrushes, planes, and verts are still bounded by
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// 16 bit short limits
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#define MAX_MAP_MODELS 1024
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#define MAX_MAP_BRUSHES 8192
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#define MAX_MAP_ENTITIES 2048
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#define MAX_MAP_PATHS 2048
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#define MAX_MAP_ENTSTRING 0x20000
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#define MAX_MAP_TEXTURES 1024
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#define MAX_MAP_TEXINFO 8192
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#define MAX_MAP_PLANES 65536
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#define MAX_MAP_NODES 65536
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#define MAX_MAP_BRUSHSIDES 65536
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#define MAX_MAP_LEAFS 65536
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#define MAX_MAP_VERTS 65536
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#define MAX_MAP_FACES 65536
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#define MAX_MAP_LEAFFACES 65536
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#define MAX_MAP_LEAFBRUSHES 65536
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#define MAX_MAP_PORTALS 65536
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#define MAX_MAP_EDGES 128000
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#define MAX_MAP_SURFEDGES 256000
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#define MAX_MAP_MIPTEX 0x200000
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#define MAX_MAP_LIGHTING 0x200000
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#define MAX_MAP_VISIBILITY 0x100000
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// key / value pair sizes
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#define MAX_KEY 32
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#define MAX_VALUE 1024
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//=============================================================================
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#define BSPVERSION 34
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typedef struct
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{
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int fileofs, filelen;
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} lump_t;
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#define LUMP_ENTITIES 0
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#define LUMP_PLANES 1
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#define LUMP_TEXTURES 2
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#define LUMP_VERTEXES 3
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#define LUMP_VISIBILITY 4
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#define LUMP_NODES 5
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#define LUMP_TEXINFO 6
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#define LUMP_FACES 7
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#define LUMP_LIGHTING 8
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#define LUMP_LEAFS 9
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#define LUMP_LEAFFACES 10
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#define LUMP_LEAFBRUSHES 11
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#define LUMP_EDGES 12
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#define LUMP_SURFEDGES 13
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#define LUMP_MODELS 14
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#define LUMP_PATHS 15
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#define LUMP_BRUSHES 16
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#define LUMP_BRUSHSIDES 17
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#define LUMP_POP 18
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#define HEADER_LUMPS 18
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typedef struct
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{
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int version;
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lump_t lumps[HEADER_LUMPS];
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} dheader_t;
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typedef struct
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{
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float mins[3], maxs[3];
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float origin[3]; // for sounds or lights
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int headnode;
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int visleafs; // not including the solid leaf 0
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int firstface, numfaces;
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} dmodel_t;
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typedef struct
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{
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int nummiptex;
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int dataofs[4]; // [nummiptex]
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} dmiptexlump_t;
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#define MIPLEVELS 4
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typedef struct miptex_s
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{
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char name[16];
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unsigned width, height;
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unsigned offsets[MIPLEVELS]; // four mip maps stored
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int flags;
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int value;
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} miptex_t;
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typedef struct
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{
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float point[3];
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} dvertex_t;
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// 0-2 are axial planes
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#define PLANE_X 0
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#define PLANE_Y 1
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#define PLANE_Z 2
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// 3-5 are non-axial planes snapped to the nearest
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#define PLANE_ANYX 3
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#define PLANE_ANYY 4
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#define PLANE_ANYZ 5
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// planes (x&~1) and (x&~1)+1 are allways opposites
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typedef struct
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{
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float normal[3];
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float dist;
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int type; // PLANE_X - PLANE_ANYZ ?remove? trivial to regenerate
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} dplane_t;
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// contents flags are seperate bits
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// a given brush can contribute multiple content bits
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// multiple brushes can be in a single leaf
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// lower bits are stronger, and will eat weaker brushes completely
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#define CONTENTS_SOLID 1 // an eye is never valid in a solid
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#define CONTENTS_WINDOW 2 // translucent, but not watery
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#define CONTENTS_LAVA 8
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#define CONTENTS_SLIME 16
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#define CONTENTS_WATER 32
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#define CONTENTS_THINWATER 64 // translucent faces
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#define LAST_VISIBLE_CONTENTS 64
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// remaining contents are non-visible, and don't eat brushes
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#define CONTENTS_MONSTER 128
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#define CONTENTS_PLAYERCLIP 256
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#define CONTENTS_MONSTERCLIP 512
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// currents can be added to any other contents, and may be mixed
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#define CONTENTS_CURRENT_0 1024
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#define CONTENTS_CURRENT_90 2048
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#define CONTENTS_CURRENT_180 4096
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#define CONTENTS_CURRENT_270 8192
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#define CONTENTS_CURRENT_UP 16384
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#define CONTENTS_CURRENT_DOWN 32768
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#define CONTENTS_ORIGIN 65536 // removed before processing
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// !!! if this is changed, it must be changed in asm_i386.h too !!!
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typedef struct
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{
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int planenum;
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int children[2]; // negative numbers are -(leafs+1), not nodes
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short mins[3]; // for frustom culling
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short maxs[3];
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unsigned short firstface;
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unsigned short numfaces; // counting both sides
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} dnode_t;
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typedef struct texinfo_s
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{
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float vecs[2][4]; // [s/t][xyz offset]
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int miptex;
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int flags; // miptex flags + overrides
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int value; // light emition, etc
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} texinfo_t;
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#define TEX_SPECIAL 1 // sky or slime, no lightmap or 256 subdivision
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#define SURF_LIGHT 2
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#define SURF_WATER 4
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#define SURF_SLIME 8
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#define SURF_LAVA 16
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#define SURF_WINDOW 32
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#define SURF_SKY 64
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#define SURF_MIRROR 128
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#define SURF_SLIPPERY 256
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// note that edge 0 is never used, because negative edge nums are used for
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// counterclockwise use of the edge in a face
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typedef struct
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{
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unsigned short v[2]; // vertex numbers
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} dedge_t;
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#define MAXLIGHTMAPS 4
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typedef struct
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{
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unsigned short planenum;
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short side;
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int firstedge; // we must support > 64k edges
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short numedges;
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short texinfo;
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// lighting info
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byte styles[MAXLIGHTMAPS];
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int lightofs; // start of [numstyles*surfsize] samples
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} dface_t;
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typedef struct
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{
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int contents; // OR of all brushes
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int visofs; // -1 = no visibility info
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short mins[3]; // for frustum culling
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short maxs[3];
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unsigned short firstleafface;
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unsigned short numleaffaces;
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unsigned short firstleafbrush;
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unsigned short numleafbrushes;
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} dleaf_t;
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typedef struct
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{
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unsigned short planenum; // facing out of the leaf
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short texinfo;
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} dbrushside_t;
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typedef struct
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{
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int firstside;
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int numsides;
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int contents;
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} dbrush_t;
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typedef struct
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{
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float origin[3];
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float angles[3];
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int next, prev;
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int flags;
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float speed;
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} dpath_t;
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//============================================================================
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#ifndef QUAKE_GAME
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#define ANGLE_UP -1
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#define ANGLE_DOWN -2
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// the utilities get to be lazy and just use large static arrays
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extern int nummodels;
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extern dmodel_t dmodels[MAX_MAP_MODELS];
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extern int visdatasize;
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extern byte dvisdata[MAX_MAP_VISIBILITY];
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extern int lightdatasize;
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extern byte dlightdata[MAX_MAP_LIGHTING];
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extern int texdatasize;
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extern byte dtexdata[MAX_MAP_MIPTEX]; // (dmiptexlump_t)
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extern int entdatasize;
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extern char dentdata[MAX_MAP_ENTSTRING];
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extern int numleafs;
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extern dleaf_t dleafs[MAX_MAP_LEAFS];
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extern int numplanes;
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extern dplane_t dplanes[MAX_MAP_PLANES];
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extern int numvertexes;
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extern dvertex_t dvertexes[MAX_MAP_VERTS];
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extern int numnodes;
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extern dnode_t dnodes[MAX_MAP_NODES];
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extern int numtexinfo;
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extern texinfo_t texinfo[MAX_MAP_TEXINFO];
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extern int numfaces;
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extern dface_t dfaces[MAX_MAP_FACES];
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extern int numedges;
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extern dedge_t dedges[MAX_MAP_EDGES];
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extern int numleaffaces;
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extern unsigned short dleaffaces[MAX_MAP_LEAFFACES];
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extern int numleafbrushes;
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extern unsigned short dleafbrushes[MAX_MAP_LEAFBRUSHES];
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extern int numsurfedges;
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extern int dsurfedges[MAX_MAP_SURFEDGES];
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extern int numpaths;
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extern dpath_t dpaths[MAX_MAP_PATHS];
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extern int numbrushes;
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extern dbrush_t dbrushes[MAX_MAP_BRUSHES];
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extern int numbrushsides;
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extern dbrushside_t dbrushsides[MAX_MAP_BRUSHSIDES];
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void DecompressVis (byte *in, byte *decompressed);
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int CompressVis (byte *vis, byte *dest);
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void LoadBSPFile (char *filename);
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void WriteBSPFile (char *filename);
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void PrintBSPFileSizes (void);
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//===============
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typedef struct epair_s
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{
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struct epair_s *next;
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char *key;
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char *value;
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} epair_t;
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typedef struct
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{
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vec3_t origin;
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int firstbrush;
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int numbrushes;
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epair_t *epairs;
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} entity_t;
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extern int num_entities;
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extern entity_t entities[MAX_MAP_ENTITIES];
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void ParseEntities (void);
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void UnparseEntities (void);
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void SetKeyValue (entity_t *ent, char *key, char *value);
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char *ValueForKey (entity_t *ent, char *key);
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// will return "" if not present
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vec_t FloatForKey (entity_t *ent, char *key);
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void GetVectorForKey (entity_t *ent, char *key, vec3_t vec);
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epair_t *ParseEpair (void);
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void PrintEntity (entity_t *ent);
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extern int r_leaftovis[MAX_MAP_LEAFS];
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extern int r_vistoleaf[MAX_MAP_LEAFS];
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extern int r_numvisleafs;
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#endif
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