315 lines
8.7 KiB
C
315 lines
8.7 KiB
C
/*
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Copyright (C) 1996-2001 Id Software, Inc.
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Copyright (C) 2002-2009 John Fitzgibbons and others
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Copyright (C) 2010-2014 QuakeSpasm developers
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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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#ifndef __BSPFILE_H
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#define __BSPFILE_H
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// upper design bounds
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#define MAX_MAP_HULLS 4
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#define MAX_MAP_MODELS 256
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#define MAX_MAP_BRUSHES 4096
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#define MAX_MAP_ENTITIES 1024
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#define MAX_MAP_ENTSTRING 65536
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#define MAX_MAP_PLANES 32767
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#define MAX_MAP_NODES 32767 // because negative shorts are contents
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#define MAX_MAP_CLIPNODES 32767
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//#define MAX_MAP_LEAFS 80000 //johnfitz -- was 8192
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#define MAX_MAP_VERTS 65535
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#define MAX_MAP_FACES 65535
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#define MAX_MAP_MARKSURFACES 65535
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#define MAX_MAP_TEXINFO 4096
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#define MAX_MAP_EDGES 256000
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#define MAX_MAP_SURFEDGES 512000
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#define MAX_MAP_TEXTURES 512
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#define MAX_MAP_MIPTEX 0x200000
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#define MAX_MAP_LIGHTING 0x100000
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#define MAX_MAP_VISIBILITY 0x100000
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#define MAX_MAP_PORTALS 65536
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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 29
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/* RMQ support (2PSB). 32bits instead of shorts for all but bbox sizes (which
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* still use shorts) */
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#define BSP2VERSION_2PSB (('B' << 24) | ('S' << 16) | ('P' << 8) | '2')
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/* BSP2 support. 32bits instead of shorts for everything (bboxes use floats) */
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#define BSP2VERSION_BSP2 (('B' << 0) | ('S' << 8) | ('P' << 16) | ('2'<<24))
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#define TOOLVERSION 2
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typedef struct
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{
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int32_t 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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int32_t headnode[MAX_MAP_HULLS];
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int32_t visleafs; // not including the solid leaf 0
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int32_t firstface, numfaces;
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} dmodel_t;
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typedef struct
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{
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int32_t 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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int32_t nummiptex;
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int32_t 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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int32_t type; // PLANE_X - PLANE_ANYZ ?remove? trivial to regenerate
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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 // removed at csg time
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#define CONTENTS_CLIP -8 // changed to contents_solid
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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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// !!! 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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int32_t planenum;
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int16_t children[2]; // negative numbers are -(leafs+1), not nodes
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int16_t mins[3]; // for sphere culling
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int16_t maxs[3];
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uint16_t firstface;
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uint16_t numfaces; // counting both sides
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} dsnode_t;
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typedef struct
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{
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int32_t planenum;
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int32_t children[2]; // negative numbers are -(leafs+1), not nodes
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int16_t mins[3]; // for sphere culling
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int16_t maxs[3];
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uint32_t firstface;
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uint32_t numfaces; // counting both sides
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} dl1node_t;
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typedef struct
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{
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int32_t planenum;
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int32_t children[2]; // negative numbers are -(leafs+1), not nodes
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float mins[3]; // for sphere culling
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float maxs[3];
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uint32_t firstface;
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uint32_t numfaces; // counting both sides
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} dl2node_t;
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typedef struct
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{
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int32_t planenum;
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int16_t children[2]; // negative numbers are contents
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} dsclipnode_t;
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typedef struct
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{
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int32_t planenum;
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int32_t children[2]; // negative numbers are contents
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} dlclipnode_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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int32_t miptex;
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int32_t 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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#define TEX_MISSING 2 // johnfitz -- this texinfo does not have a texture
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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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uint16_t v[2]; // vertex numbers
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} dsedge_t;
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typedef struct
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{
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uint32_t v[2]; // vertex numbers
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} dledge_t;
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#define MAXLIGHTMAPS 4
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typedef struct
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{
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int16_t planenum;
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int16_t side;
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int32_t firstedge; // we must support > 64k edges
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int16_t numedges;
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int16_t texinfo;
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// lighting info
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byte styles[MAXLIGHTMAPS];
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int32_t lightofs; // start of [numstyles*surfsize] samples
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} dsface_t;
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typedef struct
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{
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int32_t planenum;
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int32_t side;
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int32_t firstedge; // we must support > 64k edges
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int32_t numedges;
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int32_t texinfo;
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// lighting info
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byte styles[MAXLIGHTMAPS];
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int32_t lightofs; // start of [numstyles*surfsize] samples
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} dlface_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 // automatic ambient sounds
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// leaf 0 is the generic CONTENTS_SOLID leaf, used for all solid areas
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// all other leafs need visibility info
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typedef struct
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{
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int32_t contents;
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int32_t visofs; // -1 = no visibility info
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int16_t mins[3]; // for frustum culling
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int16_t maxs[3];
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uint16_t firstmarksurface;
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uint16_t nummarksurfaces;
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byte ambient_level[NUM_AMBIENTS];
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} dsleaf_t;
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typedef struct
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{
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int32_t contents;
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int32_t visofs; // -1 = no visibility info
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int16_t mins[3]; // for frustum culling
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int16_t maxs[3];
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uint32_t firstmarksurface;
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uint32_t nummarksurfaces;
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byte ambient_level[NUM_AMBIENTS];
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} dl1leaf_t;
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typedef struct
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{
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int32_t contents;
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int32_t visofs; // -1 = no visibility info
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float mins[3]; // for frustum culling
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float maxs[3];
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uint32_t firstmarksurface;
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uint32_t nummarksurfaces;
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byte ambient_level[NUM_AMBIENTS];
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} dl2leaf_t;
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//============================================================================
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#endif /* __BSPFILE_H */
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