564 lines
14 KiB
C
564 lines
14 KiB
C
/*
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Copyright (C) 1999-2007 id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant 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. 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 GtkRadiant; 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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// qfiles.h: quake file formats
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// This file must be identical in the quake and utils directories
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//
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/*
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========================================================================
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The .pak files are just a linear collapse of a directory tree
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========================================================================
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*/
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#ifdef WIN32
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#ifdef NDEBUG // Don't show in a Release build
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#pragma warning(disable : 4305) // truncate from double to float
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#pragma warning(disable : 4244) // conversion from double to float
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#pragma warning(disable : 4018) // signed/unsigned mismatch
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#endif
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#endif
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#define IDPAKHEADER ( ( 'K' << 24 ) + ( 'C' << 16 ) + ( 'A' << 8 ) + 'P' )
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typedef struct
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{
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char name[56];
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int filepos, filelen;
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} dpackfile_t;
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typedef struct
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{
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int ident; // == IDPAKHEADER
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int dirofs;
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int dirlen;
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} dpackheader_t;
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#define MAX_FILES_IN_PACK 4096
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/*
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========================================================================
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PCX files are used for as many images as possible
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========================================================================
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*/
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typedef struct
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{
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char manufacturer;
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char version;
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char encoding;
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char bits_per_pixel;
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unsigned short xmin,ymin,xmax,ymax;
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unsigned short hres,vres;
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unsigned char palette[48];
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char reserved;
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char color_planes;
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unsigned short bytes_per_line;
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unsigned short palette_type;
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char filler[58];
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unsigned char data; // unbounded
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} pcx_t;
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/*
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========================================================================
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.MD2 triangle model file format
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========================================================================
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*/
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#define IDALIASHEADER ( ( '2' << 24 ) + ( 'P' << 16 ) + ( 'D' << 8 ) + 'I' )
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#define ALIAS_VERSION 8
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#define MAX_TRIANGLES 4096
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#define MAX_VERTS 2048
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#define MAX_FRAMES 512
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#define MAX_MD2SKINS 32
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#define MAX_SKINNAME 64
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typedef struct
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{
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short s;
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short t;
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} dstvert_t;
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typedef struct
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{
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short index_xyz[3];
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short index_st[3];
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} dtriangle_t;
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typedef struct
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{
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byte v[3]; // scaled byte to fit in frame mins/maxs
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byte lightnormalindex;
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} dtrivertx_t;
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#define DTRIVERTX_V0 0
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#define DTRIVERTX_V1 1
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#define DTRIVERTX_V2 2
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#define DTRIVERTX_LNI 3
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#define DTRIVERTX_SIZE 4
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typedef struct
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{
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float scale[3]; // multiply byte verts by this
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float translate[3]; // then add this
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char name[16]; // frame name from grabbing
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dtrivertx_t verts[1]; // variable sized
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} daliasframe_t;
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// the glcmd format:
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// a positive integer starts a tristrip command, followed by that many
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// vertex structures.
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// a negative integer starts a trifan command, followed by -x vertexes
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// a zero indicates the end of the command list.
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// a vertex consists of a floating point s, a floating point t,
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// and an integer vertex index.
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typedef struct
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{
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int ident;
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int version;
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int skinwidth;
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int skinheight;
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int framesize; // byte size of each frame
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int num_skins;
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int num_xyz;
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int num_st; // greater than num_xyz for seams
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int num_tris;
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int num_glcmds; // dwords in strip/fan command list
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int num_frames;
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int ofs_skins; // each skin is a MAX_SKINNAME string
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int ofs_st; // byte offset from start for stverts
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int ofs_tris; // offset for dtriangles
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int ofs_frames; // offset for first frame
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int ofs_glcmds;
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int ofs_end; // end of file
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} dmdl_t;
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/*
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========================================================================
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.SP2 sprite file format
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========================================================================
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*/
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#define IDSPRITEHEADER ( ( '2' << 24 ) + ( 'S' << 16 ) + ( 'D' << 8 ) + 'I' )
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// little-endian "IDS2"
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#define SPRITE_VERSION 2
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typedef struct
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{
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int width, height;
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int origin_x, origin_y; // raster coordinates inside pic
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char name[MAX_SKINNAME]; // name of pcx file
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} dsprframe_t;
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typedef struct {
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int ident;
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int version;
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int numframes;
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dsprframe_t frames[1]; // variable sized
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} dsprite_t;
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/*
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==============================================================================
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.WAL texture file format
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==============================================================================
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*/
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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[32];
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unsigned width, height;
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unsigned offsets[MIPLEVELS]; // four mip maps stored
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char animname[32]; // next frame in animation chain
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int flags;
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int contents;
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int value;
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} miptex_t;
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/*
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==============================================================================
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- .WAL texture file format
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+ .M8 texture file format
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==============================================================================
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*/
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typedef struct palette_s
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{
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union
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{
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struct
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{
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byte r,g,b;
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};
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};
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} palette_t;
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#define MIP_VERSION 2
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#define PAL_SIZE 256
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#define H2_MIPLEVELS 16
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typedef struct miptex_m8_s
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{
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int version;
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char name[32];
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unsigned width[H2_MIPLEVELS], height[H2_MIPLEVELS];
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unsigned offsets[H2_MIPLEVELS]; // four mip maps stored
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char animname[32]; // next frame in animation chain
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palette_t palette[PAL_SIZE];
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int flags;
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int contents;
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int value;
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} miptex_m8_t;
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#define MIP32_VERSION 4
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#define MIP32_NOMIP_FLAG2 0x00000001
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#define MIP32_DETAILER_FLAG2 0x00000002
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typedef struct miptex_m32_s
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{
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int version;
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char name[128];
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char altname[128]; // texture substitution
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char animname[128]; // next frame in animation chain
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char damagename[128]; // image that should be shown when damaged
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unsigned width[H2_MIPLEVELS], height[H2_MIPLEVELS];
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unsigned offsets[H2_MIPLEVELS];
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int flags;
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int contents;
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int value;
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float scale_x, scale_y;
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int mip_scale;
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// detail texturing info
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char dt_name[128]; // detailed texture name
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float dt_scale_x, dt_scale_y;
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float dt_u, dt_v;
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float dt_alpha;
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int dt_src_blend_mode, dt_dst_blend_mode;
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int flags2;
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int unused[19]; // future expansion to maintain compatibility with h2
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} miptex_m32_t;
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/*
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==============================================================================
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.BSP file format
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==============================================================================
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*/
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#define IDBSPHEADER ( ( 'P' << 24 ) + ( 'S' << 16 ) + ( 'B' << 8 ) + 'I' )
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// little-endian "IBSP"
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#define BSPVERSION 38
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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_ENTSTRING 0x40000
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#define MAX_MAP_TEXINFO 8192
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#define MAX_MAP_AREAS 256
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#define MAX_MAP_AREAPORTALS 1024
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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_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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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_VERTEXES 2
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#define LUMP_VISIBILITY 3
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#define LUMP_NODES 4
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#define LUMP_TEXINFO 5
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#define LUMP_FACES 6
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#define LUMP_LIGHTING 7
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#define LUMP_LEAFS 8
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#define LUMP_LEAFFACES 9
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#define LUMP_LEAFBRUSHES 10
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#define LUMP_EDGES 11
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#define LUMP_SURFEDGES 12
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#define LUMP_MODELS 13
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#define LUMP_BRUSHES 14
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#define LUMP_BRUSHSIDES 15
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#define LUMP_POP 16
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#define LUMP_AREAS 17
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#define LUMP_AREAPORTALS 18
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#define HEADER_LUMPS 19
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typedef struct
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{
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int ident;
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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 firstface, numfaces; // submodels just draw faces
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// without walking the bsp tree
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} dmodel_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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// these definitions also need to be in q_shared.h!
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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_AUX 4
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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_MIST 64
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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_AREAPORTAL 0x8000
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#define CONTENTS_PLAYERCLIP 0x10000
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#define CONTENTS_MONSTERCLIP 0x20000
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// currents can be added to any other contents, and may be mixed
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#define CONTENTS_CURRENT_0 0x40000
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#define CONTENTS_CURRENT_90 0x80000
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#define CONTENTS_CURRENT_180 0x100000
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#define CONTENTS_CURRENT_270 0x200000
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#define CONTENTS_CURRENT_UP 0x400000
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#define CONTENTS_CURRENT_DOWN 0x800000
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#define CONTENTS_ORIGIN 0x1000000 // removed before bsping an entity
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#define CONTENTS_MONSTER 0x2000000 // should never be on a brush, only in game
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#define CONTENTS_DEADMONSTER 0x4000000
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#define CONTENTS_DETAIL 0x8000000 // brushes to be added after vis leafs
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#define CONTENTS_TRANSLUCENT 0x10000000 // auto set if any surface has trans
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#define CONTENTS_LADDER 0x20000000
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#define SURF_LIGHT 0x1 // value will hold the light strength
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#define SURF_SLICK 0x2 // effects game physics
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#define SURF_SKY 0x4 // don't draw, but add to skybox
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#define SURF_WARP 0x8 // turbulent water warp
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#define SURF_TRANS33 0x10
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#define SURF_TRANS66 0x20
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#define SURF_FLOWING 0x40 // scroll towards angle
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#define SURF_NODRAW 0x80 // don't bother referencing the texture
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#define SURF_HINT 0x100 // make a primary bsp splitter
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#define SURF_SKIP 0x200 // completely ignore, allowing non-closed brushes
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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 flags; // miptex flags + overrides
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int value; // light emission, etc
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char texture[32]; // texture name (textures/*.wal)
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int nexttexinfo; // for animations, -1 = end of chain
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} texinfo_t;
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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 (not needed?)
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short cluster;
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short area;
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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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#define ANGLE_UP -1
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#define ANGLE_DOWN -2
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// the visibility lump consists of a header with a count, then
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// byte offsets for the PVS and PHS of each cluster, then the raw
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// compressed bit vectors
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#define DVIS_PVS 0
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#define DVIS_PHS 1
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typedef struct
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{
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int numclusters;
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int bitofs[8][2]; // bitofs[numclusters][2]
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} dvis_t;
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// each area has a list of portals that lead into other areas
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// when portals are closed, other areas may not be visible or
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// hearable even if the vis info says that it should be
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typedef struct
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{
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int portalnum;
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int otherarea;
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} dareaportal_t;
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typedef struct
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{
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int numareaportals;
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int firstareaportal;
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} darea_t;
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