/* bspfile.h - BSP format included q1, hl1 support Copyright (C) 2010 Uncle Mike This program 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 3 of the License, or (at your option) any later version. This program 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. */ #ifndef BSPFILE_H #define BSPFILE_H #include #include "xash3d_types.h" /* ============================================================================== BRUSH MODELS .bsp contain level static geometry with including PVS and lightning info ============================================================================== */ // header #define Q1BSP_VERSION 29 // quake1 regular version (beta is 28) #define HLBSP_VERSION 30 // half-life regular version #define QBSP2_VERSION (( 'B' << 0 ) | ('S' << 8 ) | ( 'P' << 16 ) | ( '2' << 24 )) #define IDEXTRAHEADER (( 'X' << 0 ) | ('A' << 8 ) | ( 'S' << 16 ) | ( 'H' << 24 )) #define EXTRA_VERSION 4 // ver. 1 was occupied by old versions of XashXT // ver. 2 was occupied by old vesrions of P2:savior // ver. 3 was occupied by experimental versions of P2:savior change fmt #define DELUXEMAP_VERSION 1 #define IDDELUXEMAPHEADER (( 'Q' << 0 ) | ('L' << 8 ) | ( 'I' << 16 ) | ( 'T' << 24 )) // worldcraft predefined angles #define ANGLE_UP -1 #define ANGLE_DOWN -2 // bmodel limits #define MAX_MAP_HULLS 4 // MAX_HULLS #define SURF_PLANEBACK BIT( 1 ) // plane should be negated #define SURF_DRAWSKY BIT( 2 ) // sky surface #define SURF_DRAWTURB_QUADS BIT( 3 ) // all subidivided polygons are quads #define SURF_DRAWTURB BIT( 4 ) // warp surface #define SURF_DRAWTILED BIT( 5 ) // face without lighmap #define SURF_CONVEYOR BIT( 6 ) // scrolled texture (was SURF_DRAWBACKGROUND) #define SURF_UNDERWATER BIT( 7 ) // caustics #define SURF_TRANSPARENT BIT( 8 ) // it's a transparent texture (was SURF_DONTWARP) // lightstyle management #define LM_STYLES 4 // MAXLIGHTMAPS #define LS_NORMAL 0x00 #define LS_UNUSED 0xFE #define LS_NONE 0xFF #define MAX_MAP_CLIPNODES_HLBSP 32767 #define MAX_MAP_CLIPNODES_BSP2 524288 // these limis not using by modelloader but only for displaying 'mapstats' correctly #define MAX_MAP_MODELS 2048 // embedded models #define MAX_MAP_ENTSTRING 0x200000 // 2 Mb should be enough #define MAX_MAP_PLANES 131072 // can be increased without problems #define MAX_MAP_NODES 262144 // can be increased without problems #define MAX_MAP_CLIPNODES MAX_MAP_CLIPNODES_BSP2 // can be increased without problems #define MAX_MAP_LEAFS 131072 // CRITICAL STUFF to run ad_sepulcher!!! #define MAX_MAP_VERTS 524288 // can be increased without problems #define MAX_MAP_FACES 262144 // can be increased without problems #define MAX_MAP_MARKSURFACES 524288 // can be increased without problems #define MAX_MAP_ENTITIES 8192 // network limit #define MAX_MAP_TEXINFO MAX_MAP_FACES // in theory each face may have personal texinfo #define MAX_MAP_EDGES 0x100000 // can be increased but not needed #define MAX_MAP_SURFEDGES 0x200000 // can be increased but not needed #define MAX_MAP_TEXTURES 2048 // can be increased but not needed #define MAX_MAP_MIPTEX 0x2000000 // 32 Mb internal textures data #define MAX_MAP_LIGHTING 0x2000000 // 32 Mb lightmap raw data (can contain deluxemaps) #define MAX_MAP_VISIBILITY 0x1000000 // 16 Mb visdata #define MAX_MAP_FACEINFO 8192 // can be increased but not needed // quake lump ordering enum { LUMP_ENTITIES = 0, LUMP_PLANES = 1, LUMP_TEXTURES = 2, // internal textures LUMP_VERTEXES = 3, LUMP_VISIBILITY = 4, LUMP_NODES = 5, LUMP_TEXINFO = 6, LUMP_FACES = 7, LUMP_LIGHTING = 8, LUMP_CLIPNODES = 9, LUMP_LEAFS = 10, LUMP_MARKSURFACES = 11, LUMP_EDGES = 12, LUMP_SURFEDGES = 13, LUMP_MODELS = 14, // internal submodels HEADER_LUMPS = 15, }; // extra lump ordering enum { LUMP_LIGHTVECS = 0, // deluxemap data LUMP_FACEINFO = 1, // landscape and lightmap resolution info LUMP_CUBEMAPS = 2, // cubemap description LUMP_VERTNORMALS = 3, // phong shaded vertex normals LUMP_LEAF_LIGHTING = 4, // store vertex lighting for statics LUMP_WORLDLIGHTS = 5, // list of all the virtual and real lights (used to relight models in-game) LUMP_COLLISION = 6, // physics engine collision hull dump (userdata) LUMP_AINODEGRAPH = 7, // node graph that stored into the bsp (userdata) LUMP_SHADOWMAP = 8, // contains shadow map for direct light LUMP_VERTEX_LIGHT = 9, // store vertex lighting for statics LUMP_UNUSED0 = 10, // one lump reserved for me LUMP_UNUSED1 = 11, // one lump reserved for me EXTRA_LUMPS = 12, // count of the extra lumps }; // texture flags #define TEX_SPECIAL BIT( 0 ) // sky or slime, no lightmap or 256 subdivision #define TEX_WORLD_LUXELS BIT( 1 ) // alternative lightmap matrix will be used (luxels per world units instead of luxels per texels) #define TEX_AXIAL_LUXELS BIT( 2 ) // force world luxels to axial positive scales #define TEX_EXTRA_LIGHTMAP BIT( 3 ) // bsp31 legacy - using 8 texels per luxel instead of 16 texels per luxel #define TEX_SCROLL BIT( 6 ) // Doom special FX #define IsLiquidContents( cnt ) ( cnt == CONTENTS_WATER || cnt == CONTENTS_SLIME || cnt == CONTENTS_LAVA ) // ambient sound types enum { AMBIENT_WATER = 0, // waterfall AMBIENT_SKY, // wind AMBIENT_SLIME, // never used in quake AMBIENT_LAVA, // never used in quake NUM_AMBIENTS, // automatic ambient sounds }; // // BSP File Structures // typedef struct { int32_t fileofs; int32_t filelen; } dlump_t; typedef struct { int32_t version; dlump_t lumps[HEADER_LUMPS]; } dheader_t; typedef struct { int32_t id; // must be little endian XASH int32_t version; dlump_t lumps[EXTRA_LUMPS]; } dextrahdr_t; typedef struct { vec3_t mins; vec3_t maxs; vec3_t origin; // for sounds or lights int32_t headnode[MAX_MAP_HULLS]; int32_t visleafs; // not including the solid leaf 0 int32_t firstface; int32_t numfaces; } dmodel_t; typedef struct { int32_t nummiptex; int32_t dataofs[4]; // [nummiptex] } dmiptexlump_t; typedef struct { vec3_t point; } dvertex_t; typedef struct { vec3_t normal; float dist; int32_t type; // PLANE_X - PLANE_ANYZ ? } dplane_t; typedef struct { int32_t planenum; int16_t children[2]; // negative numbers are -(leafs + 1), not nodes int16_t mins[3]; // for sphere culling int16_t maxs[3]; uint16_t firstface; uint16_t numfaces; // counting both sides } dnode_t; typedef struct { int32_t planenum; int32_t children[2]; // negative numbers are -(leafs+1), not nodes float mins[3]; // for sphere culling float maxs[3]; int32_t firstface; int32_t numfaces; // counting both sides } dnode32_t; // leaf 0 is the generic CONTENTS_SOLID leaf, used for all solid areas // all other leafs need visibility info typedef struct { int32_t contents; int32_t visofs; // -1 = no visibility info int16_t mins[3]; // for frustum culling int16_t maxs[3]; uint16_t firstmarksurface; uint16_t nummarksurfaces; // automatic ambient sounds uint8_t ambient_level[NUM_AMBIENTS]; // ambient sound level (0 - 255) } dleaf_t; typedef struct { int32_t contents; int32_t visofs; // -1 = no visibility info float mins[3]; // for frustum culling float maxs[3]; int32_t firstmarksurface; int32_t nummarksurfaces; uint8_t ambient_level[NUM_AMBIENTS]; } dleaf32_t; typedef struct { int32_t planenum; int16_t children[2]; // negative numbers are contents } dclipnode_t; typedef struct { int32_t planenum; int32_t children[2]; // negative numbers are contents } dclipnode32_t; typedef struct { float vecs[2][4]; // texmatrix [s/t][xyz offset] int32_t miptex; int16_t flags; int16_t faceinfo; // -1 no face info otherwise dfaceinfo_t } dtexinfo_t; typedef struct { char landname[16]; // name of decsription in mapname_land.txt uint16_t texture_step; // default is 16, pixels\luxels ratio uint16_t max_extent; // default is 16, subdivision step ((texture_step * max_extent) - texture_step) int16_t groupid; // to determine equal landscapes from various groups, -1 - no group } dfaceinfo_t; typedef uint16_t dmarkface_t; // leaf marksurfaces indexes typedef int32_t dmarkface32_t; // leaf marksurfaces indexes typedef int32_t dsurfedge_t; // map surfedges // NOTE: that edge 0 is never used, because negative edge nums // are used for counterclockwise use of the edge in a face typedef struct { uint16_t v[2]; // vertex numbers } dedge_t; typedef struct { int32_t v[2]; // vertex numbers } dedge32_t; typedef struct { uint16_t planenum; int16_t side; int32_t firstedge; // we must support > 64k edges int16_t numedges; int16_t texinfo; // lighting info uint8_t styles[LM_STYLES]; int32_t lightofs; // start of [numstyles*surfsize] samples } dface_t; typedef struct { int32_t planenum; int32_t side; int32_t firstedge; // we must support > 64k edges int32_t numedges; int32_t texinfo; // lighting info uint8_t styles[LM_STYLES]; int32_t lightofs; // start of [numstyles*surfsize] samples } dface32_t; #endif // BSPFILE_H