192 lines
No EOL
4 KiB
C
192 lines
No EOL
4 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the 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 this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// upper design bounds
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#define MAX_MAP_HULLS 4
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#define MAX_MAP_LEAFS 8192
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//=============================================================================
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#define Q1BSP 29
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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_CLIPNODES 9
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#define LUMP_LEAFS 10
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#define LUMP_MARKSURFACES 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 HEADER_LUMPS 15
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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];
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int headnode[MAX_MAP_HULLS];
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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 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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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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} 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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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;
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} dplane_t;
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#define CONTENTS_EMPTY -1
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#define CONTENTS_SOLID -2
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#define CONTENTS_WATER -3
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#define CONTENTS_SLIME -4
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#define CONTENTS_LAVA -5
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#define CONTENTS_SKY -6
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#define CONTENTS_ORIGIN -7
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#define CONTENTS_CLIP -8
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#define CONTENTS_CURRENT_0 -9
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#define CONTENTS_CURRENT_90 -10
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#define CONTENTS_CURRENT_180 -11
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#define CONTENTS_CURRENT_270 -12
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#define CONTENTS_CURRENT_UP -13
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#define CONTENTS_CURRENT_DOWN -14
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typedef struct
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{
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int planenum;
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short children[2]; // negative numbers are -(leafs+1), not nodes
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short mins[3]; // for sphere 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
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{
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int planenum;
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short children[2]; // negative numbers are contents
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} dclipnode_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;
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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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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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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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#define AMBIENT_WATER 0
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#define AMBIENT_SKY 1
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#define AMBIENT_SLIME 2
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#define AMBIENT_LAVA 3
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#define NUM_AMBIENTS 4
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typedef struct
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{
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int contents;
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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 firstmarksurface;
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unsigned short nummarksurfaces;
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byte ambient_level[NUM_AMBIENTS];
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} dleaf_t; |