1157 lines
32 KiB
C++
1157 lines
32 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Defines and structures for the BSP file format.
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef BSPFILE_H
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#define BSPFILE_H
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#pragma once
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#ifndef MATHLIB_H
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#include "mathlib/mathlib.h"
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#endif
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#include "datamap.h"
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#include "mathlib/bumpvects.h"
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#include "mathlib/compressed_light_cube.h"
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// little-endian "VBSP"
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#define IDBSPHEADER (('P'<<24)+('S'<<16)+('B'<<8)+'V')
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// MINBSPVERSION is the minimum acceptable version. The engine will load MINBSPVERSION through BSPVERSION
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#define MINBSPVERSION 19
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#define BSPVERSION 20
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// This needs to match the value in gl_lightmap.h
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// Need to dynamically allocate the weights and light values in radial_t to make this variable.
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#define MAX_BRUSH_LIGHTMAP_DIM_WITHOUT_BORDER 32
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// This is one more than what vbsp cuts for to allow for rounding errors
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#define MAX_BRUSH_LIGHTMAP_DIM_INCLUDING_BORDER 35
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// We can have larger lightmaps on displacements
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#define MAX_DISP_LIGHTMAP_DIM_WITHOUT_BORDER 125
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#define MAX_DISP_LIGHTMAP_DIM_INCLUDING_BORDER 128
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// This is the actual max.. (change if you change the brush lightmap dim or disp lightmap dim
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#define MAX_LIGHTMAP_DIM_WITHOUT_BORDER MAX_DISP_LIGHTMAP_DIM_WITHOUT_BORDER
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#define MAX_LIGHTMAP_DIM_INCLUDING_BORDER MAX_DISP_LIGHTMAP_DIM_INCLUDING_BORDER
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#define MAX_LIGHTSTYLES 64
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// upper design bounds
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#define MIN_MAP_DISP_POWER 2 // Minimum and maximum power a displacement can be.
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#define MAX_MAP_DISP_POWER 4
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// Max # of neighboring displacement touching a displacement's corner.
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#define MAX_DISP_CORNER_NEIGHBORS 4
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#define NUM_DISP_POWER_VERTS(power) ( ((1 << (power)) + 1) * ((1 << (power)) + 1) )
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#define NUM_DISP_POWER_TRIS(power) ( (1 << (power)) * (1 << (power)) * 2 )
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#if !defined( BSP_USE_LESS_MEMORY )
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// Common limits
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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 8192
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#define MAX_MAP_TEXINFO 12288
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#define MAX_MAP_TEXDATA 2048
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#define MAX_MAP_DISPINFO 2048
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#define MAX_MAP_DISP_VERTS ( MAX_MAP_DISPINFO * ((1<<MAX_MAP_DISP_POWER)+1) * ((1<<MAX_MAP_DISP_POWER)+1) )
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#define MAX_MAP_DISP_TRIS ( (1 << MAX_MAP_DISP_POWER) * (1 << MAX_MAP_DISP_POWER) * 2 )
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#define MAX_DISPVERTS NUM_DISP_POWER_VERTS( MAX_MAP_DISP_POWER )
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#define MAX_DISPTRIS NUM_DISP_POWER_TRIS( MAX_MAP_DISP_POWER )
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#define MAX_MAP_AREAS 256
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#define MAX_MAP_AREA_BYTES (MAX_MAP_AREAS/8)
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#define MAX_MAP_AREAPORTALS 1024
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// Planes come in pairs, thus an even number.
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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_VERTNORMALS 256000
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#define MAX_MAP_VERTNORMALINDICES 256000
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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_CLUSTERS 65536
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#define MAX_MAP_LEAFWATERDATA 32768
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#define MAX_MAP_PORTALVERTS 128000
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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_LIGHTING 0x1000000
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#define MAX_MAP_VISIBILITY 0x1000000 // increased BSPVERSION 7
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#define MAX_MAP_TEXTURES 1024
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#define MAX_MAP_WORLDLIGHTS 8192
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#define MAX_MAP_CUBEMAPSAMPLES 1024
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#define MAX_MAP_OVERLAYS 512
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#define MAX_MAP_WATEROVERLAYS 16384
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#define MAX_MAP_TEXDATA_STRING_DATA 256000
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#define MAX_MAP_TEXDATA_STRING_TABLE 65536
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// this is stuff for trilist/tristrips, etc.
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#define MAX_MAP_PRIMITIVES 32768
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#define MAX_MAP_PRIMVERTS 65536
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#define MAX_MAP_PRIMINDICES 65536
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#else
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// Xbox 360 - Force static arrays to be very small
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#define MAX_MAP_MODELS 2
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#define MAX_MAP_BRUSHES 2
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#define MAX_MAP_ENTITIES 2
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#define MAX_MAP_TEXINFO 2
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#define MAX_MAP_TEXDATA 2
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#define MAX_MAP_DISPINFO 2
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#define MAX_MAP_DISP_VERTS ( MAX_MAP_DISPINFO * ((1<<MAX_MAP_DISP_POWER)+1) * ((1<<MAX_MAP_DISP_POWER)+1) )
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#define MAX_MAP_DISP_TRIS ( (1 << MAX_MAP_DISP_POWER) * (1 << MAX_MAP_DISP_POWER) * 2 )
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#define MAX_DISPVERTS NUM_DISP_POWER_VERTS( MAX_MAP_DISP_POWER )
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#define MAX_DISPTRIS NUM_DISP_POWER_TRIS( MAX_MAP_DISP_POWER )
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#define MAX_MAP_AREAS 2
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#define MAX_MAP_AREA_BYTES 2
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#define MAX_MAP_AREAPORTALS 2
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#define MAX_MAP_PLANES 2
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#define MAX_MAP_NODES 2
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#define MAX_MAP_BRUSHSIDES 2
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#define MAX_MAP_LEAFS 2
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#define MAX_MAP_VERTS 2
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#define MAX_MAP_VERTNORMALS 2
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#define MAX_MAP_VERTNORMALINDICES 2
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#define MAX_MAP_FACES 2
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#define MAX_MAP_LEAFFACES 2
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#define MAX_MAP_LEAFBRUSHES 2
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#define MAX_MAP_PORTALS 2
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#define MAX_MAP_CLUSTERS 2
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#define MAX_MAP_LEAFWATERDATA 2
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#define MAX_MAP_PORTALVERTS 2
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#define MAX_MAP_EDGES 2
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#define MAX_MAP_SURFEDGES 2
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#define MAX_MAP_LIGHTING 2
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#define MAX_MAP_VISIBILITY 2
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#define MAX_MAP_TEXTURES 2
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#define MAX_MAP_WORLDLIGHTS 2
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#define MAX_MAP_CUBEMAPSAMPLES 2
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#define MAX_MAP_OVERLAYS 2
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#define MAX_MAP_WATEROVERLAYS 2
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#define MAX_MAP_TEXDATA_STRING_DATA 2
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#define MAX_MAP_TEXDATA_STRING_TABLE 2
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#define MAX_MAP_PRIMITIVES 2
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#define MAX_MAP_PRIMVERTS 2
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#define MAX_MAP_PRIMINDICES 2
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#endif // BSP_USE_LESS_MEMORY
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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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// Displacement neighbor rules
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// ------------------------------------------------------------------------------------------------ //
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//
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// Each displacement is considered to be in its own space:
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//
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// NEIGHBOREDGE_TOP
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//
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// 1 --- 2
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// | |
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// NEIGHBOREDGE_LEFT | | NEIGHBOREDGE_RIGHT
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// | |
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// 0 --- 3
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//
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// NEIGHBOREDGE_BOTTOM
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//
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//
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// Edge edge of a displacement can have up to two neighbors. If it only has one neighbor
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// and the neighbor fills the edge, then SubNeighbor 0 uses CORNER_TO_CORNER (and SubNeighbor 1
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// is undefined).
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//
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// CORNER_TO_MIDPOINT means that it spans [bottom edge,midpoint] or [left edge,midpoint] depending
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// on which edge you're on.
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//
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// MIDPOINT_TO_CORNER means that it spans [midpoint,top edge] or [midpoint,right edge] depending
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// on which edge you're on.
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//
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// Here's an illustration (where C2M=CORNER_TO_MIDPOINT and M2C=MIDPOINT_TO_CORNER
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//
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//
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// C2M M2C
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//
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// 1 --------------> x --------------> 2
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//
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// ^ ^
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// | |
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// | |
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// M2C | | M2C
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// | |
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// | |
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//
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// x x x
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//
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// ^ ^
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// | |
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// | |
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// C2M | | C2M
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// | |
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// | |
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//
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// 0 --------------> x --------------> 3
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//
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// C2M M2C
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//
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//
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// The CHILDNODE_ defines can be used to refer to a node's child nodes (this is for when you're
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// recursing into the node tree inside a displacement):
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//
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// ---------
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// | | |
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// | 1 | 0 |
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// | | |
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// |---x---|
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// | | |
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// | 2 | 3 |
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// | | |
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// ---------
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//
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// ------------------------------------------------------------------------------------------------ //
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// These can be used to index g_ChildNodeIndexMul.
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enum
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{
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CHILDNODE_UPPER_RIGHT=0,
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CHILDNODE_UPPER_LEFT=1,
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CHILDNODE_LOWER_LEFT=2,
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CHILDNODE_LOWER_RIGHT=3
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};
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// Corner indices. Used to index m_CornerNeighbors.
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enum
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{
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CORNER_LOWER_LEFT=0,
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CORNER_UPPER_LEFT=1,
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CORNER_UPPER_RIGHT=2,
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CORNER_LOWER_RIGHT=3
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};
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// These edge indices must match the edge indices of the CCoreDispSurface.
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enum
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{
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NEIGHBOREDGE_LEFT=0,
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NEIGHBOREDGE_TOP=1,
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NEIGHBOREDGE_RIGHT=2,
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NEIGHBOREDGE_BOTTOM=3
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};
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// These denote where one dispinfo fits on another.
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// Note: tables are generated based on these indices so make sure to update
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// them if these indices are changed.
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typedef enum
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{
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CORNER_TO_CORNER=0,
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CORNER_TO_MIDPOINT=1,
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MIDPOINT_TO_CORNER=2
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} NeighborSpan;
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// These define relative orientations of displacement neighbors.
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typedef enum
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{
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ORIENTATION_CCW_0=0,
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ORIENTATION_CCW_90=1,
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ORIENTATION_CCW_180=2,
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ORIENTATION_CCW_270=3
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} NeighborOrientation;
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//=============================================================================
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enum
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{
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LUMP_ENTITIES = 0, // *
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LUMP_PLANES = 1, // *
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LUMP_TEXDATA = 2, // *
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LUMP_VERTEXES = 3, // *
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LUMP_VISIBILITY = 4, // *
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LUMP_NODES = 5, // *
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LUMP_TEXINFO = 6, // *
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LUMP_FACES = 7, // *
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LUMP_LIGHTING = 8, // *
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LUMP_OCCLUSION = 9,
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LUMP_LEAFS = 10, // *
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LUMP_FACEIDS = 11,
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LUMP_EDGES = 12, // *
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LUMP_SURFEDGES = 13, // *
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LUMP_MODELS = 14, // *
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LUMP_WORLDLIGHTS = 15, //
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LUMP_LEAFFACES = 16, // *
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LUMP_LEAFBRUSHES = 17, // *
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LUMP_BRUSHES = 18, // *
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LUMP_BRUSHSIDES = 19, // *
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LUMP_AREAS = 20, // *
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LUMP_AREAPORTALS = 21, // *
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LUMP_UNUSED0 = 22,
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LUMP_UNUSED1 = 23,
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LUMP_UNUSED2 = 24,
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LUMP_UNUSED3 = 25,
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LUMP_DISPINFO = 26,
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LUMP_ORIGINALFACES = 27,
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LUMP_PHYSDISP = 28,
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LUMP_PHYSCOLLIDE = 29,
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LUMP_VERTNORMALS = 30,
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LUMP_VERTNORMALINDICES = 31,
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LUMP_DISP_LIGHTMAP_ALPHAS = 32,
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LUMP_DISP_VERTS = 33, // CDispVerts
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LUMP_DISP_LIGHTMAP_SAMPLE_POSITIONS = 34, // For each displacement
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// For each lightmap sample
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// byte for index
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// if 255, then index = next byte + 255
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// 3 bytes for barycentric coordinates
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// The game lump is a method of adding game-specific lumps
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// FIXME: Eventually, all lumps could use the game lump system
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LUMP_GAME_LUMP = 35,
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LUMP_LEAFWATERDATA = 36,
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LUMP_PRIMITIVES = 37,
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LUMP_PRIMVERTS = 38,
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LUMP_PRIMINDICES = 39,
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// A pak file can be embedded in a .bsp now, and the file system will search the pak
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// file first for any referenced names, before deferring to the game directory
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// file system/pak files and finally the base directory file system/pak files.
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LUMP_PAKFILE = 40,
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LUMP_CLIPPORTALVERTS = 41,
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// A map can have a number of cubemap entities in it which cause cubemap renders
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// to be taken after running vrad.
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LUMP_CUBEMAPS = 42,
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LUMP_TEXDATA_STRING_DATA = 43,
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LUMP_TEXDATA_STRING_TABLE = 44,
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LUMP_OVERLAYS = 45,
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LUMP_LEAFMINDISTTOWATER = 46,
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LUMP_FACE_MACRO_TEXTURE_INFO = 47,
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LUMP_DISP_TRIS = 48,
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LUMP_PHYSCOLLIDESURFACE = 49, // deprecated. We no longer use win32-specific havok compression on terrain
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LUMP_WATEROVERLAYS = 50,
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LUMP_LEAF_AMBIENT_INDEX_HDR = 51, // index of LUMP_LEAF_AMBIENT_LIGHTING_HDR
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LUMP_LEAF_AMBIENT_INDEX = 52, // index of LUMP_LEAF_AMBIENT_LIGHTING
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// optional lumps for HDR
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LUMP_LIGHTING_HDR = 53,
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LUMP_WORLDLIGHTS_HDR = 54,
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LUMP_LEAF_AMBIENT_LIGHTING_HDR = 55, // NOTE: this data overrides part of the data stored in LUMP_LEAFS.
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LUMP_LEAF_AMBIENT_LIGHTING = 56, // NOTE: this data overrides part of the data stored in LUMP_LEAFS.
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LUMP_XZIPPAKFILE = 57, // deprecated. xbox 1: xzip version of pak file
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LUMP_FACES_HDR = 58, // HDR maps may have different face data.
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LUMP_MAP_FLAGS = 59, // extended level-wide flags. not present in all levels
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LUMP_OVERLAY_FADES = 60, // Fade distances for overlays
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};
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// Lumps that have versions are listed here
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enum
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{
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LUMP_LIGHTING_VERSION = 1,
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LUMP_FACES_VERSION = 1,
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LUMP_OCCLUSION_VERSION = 2,
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LUMP_LEAFS_VERSION = 1,
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LUMP_LEAF_AMBIENT_LIGHTING_VERSION = 1,
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};
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#define HEADER_LUMPS 64
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#include "zip_uncompressed.h"
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struct lump_t
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{
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DECLARE_BYTESWAP_DATADESC();
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int fileofs, filelen;
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int version; // default to zero
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// this field was char fourCC[4] previously, but was unused, favoring the LUMP IDs above instead. It has been
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// repurposed for compression. 0 implies the lump is not compressed.
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int uncompressedSize; // default to zero
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};
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struct dheader_t
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{
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DECLARE_BYTESWAP_DATADESC();
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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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int mapRevision; // the map's revision (iteration, version) number (added BSPVERSION 6)
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};
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// level feature flags
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#define LVLFLAGS_BAKED_STATIC_PROP_LIGHTING_NONHDR 0x00000001 // was processed by vrad with -staticproplighting, no hdr data
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#define LVLFLAGS_BAKED_STATIC_PROP_LIGHTING_HDR 0x00000002 // was processed by vrad with -staticproplighting, in hdr
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struct dflagslump_t
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{
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DECLARE_BYTESWAP_DATADESC();
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uint32 m_LevelFlags; // LVLFLAGS_xxx
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};
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struct lumpfileheader_t
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{
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int lumpOffset;
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int lumpID;
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int lumpVersion;
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int lumpLength;
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int mapRevision; // the map's revision (iteration, version) number (added BSPVERSION 6)
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};
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struct dgamelumpheader_t
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{
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DECLARE_BYTESWAP_DATADESC();
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int lumpCount;
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// dgamelump_t follow this
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};
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// This is expected to be a four-CC code ('lump')
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typedef int GameLumpId_t;
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// game lump is compressed, filelen reflects original size
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// use next entry fileofs to determine actual disk lump compressed size
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// compression stage ensures a terminal null dictionary entry
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#define GAMELUMPFLAG_COMPRESSED 0x0001
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struct dgamelump_t
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{
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DECLARE_BYTESWAP_DATADESC();
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GameLumpId_t id;
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unsigned short flags;
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unsigned short version;
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int fileofs;
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int filelen;
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};
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extern int g_MapRevision;
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struct dmodel_t
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{
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DECLARE_BYTESWAP_DATADESC();
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Vector mins, maxs;
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Vector origin; // for sounds or lights
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int headnode;
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int firstface, numfaces; // submodels just draw faces without walking the bsp tree
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};
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struct dphysmodel_t
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{
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DECLARE_BYTESWAP_DATADESC()
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int modelIndex;
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int dataSize;
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int keydataSize;
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int solidCount;
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};
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// contains the binary blob for each displacement surface's virtual hull
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struct dphysdisp_t
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{
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DECLARE_BYTESWAP_DATADESC()
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unsigned short numDisplacements;
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//unsigned short dataSize[numDisplacements];
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};
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struct dvertex_t
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{
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DECLARE_BYTESWAP_DATADESC();
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Vector point;
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};
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// planes (x&~1) and (x&~1)+1 are always opposites
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struct dplane_t
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{
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DECLARE_BYTESWAP_DATADESC();
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Vector normal;
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float dist;
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int type; // PLANE_X - PLANE_ANYZ ?remove? trivial to regenerate
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};
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#ifndef BSPFLAGS_H
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#include "bspflags.h"
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#endif
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struct dnode_t
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{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
int planenum;
|
|
int children[2]; // negative numbers are -(leafs+1), not nodes
|
|
short mins[3]; // for frustom culling
|
|
short maxs[3];
|
|
unsigned short firstface;
|
|
unsigned short numfaces; // counting both sides
|
|
short area; // If all leaves below this node are in the same area, then
|
|
// this is the area index. If not, this is -1.
|
|
};
|
|
|
|
typedef struct texinfo_s
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
float textureVecsTexelsPerWorldUnits[2][4]; // [s/t][xyz offset]
|
|
float lightmapVecsLuxelsPerWorldUnits[2][4]; // [s/t][xyz offset] - length is in units of texels/area
|
|
int flags; // miptex flags + overrides
|
|
int texdata; // Pointer to texture name, size, etc.
|
|
} texinfo_t;
|
|
|
|
#define TEXTURE_NAME_LENGTH 128 // changed from 64 BSPVERSION 8
|
|
|
|
struct dtexdata_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
Vector reflectivity;
|
|
int nameStringTableID; // index into g_StringTable for the texture name
|
|
int width, height; // source image
|
|
int view_width, view_height; //
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Occluders are simply polygons
|
|
//-----------------------------------------------------------------------------
|
|
// Flags field of doccluderdata_t
|
|
enum
|
|
{
|
|
OCCLUDER_FLAGS_INACTIVE = 0x1,
|
|
};
|
|
|
|
struct doccluderdata_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
int flags;
|
|
int firstpoly; // index into doccluderpolys
|
|
int polycount;
|
|
Vector mins;
|
|
Vector maxs;
|
|
int area;
|
|
};
|
|
|
|
struct doccluderdataV1_t
|
|
{
|
|
int flags;
|
|
int firstpoly; // index into doccluderpolys
|
|
int polycount;
|
|
Vector mins;
|
|
Vector maxs;
|
|
};
|
|
|
|
struct doccluderpolydata_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
int firstvertexindex; // index into doccludervertindices
|
|
int vertexcount;
|
|
int planenum;
|
|
};
|
|
|
|
|
|
// NOTE: see the section above titled "displacement neighbor rules".
|
|
struct CDispSubNeighbor
|
|
{
|
|
public:
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
unsigned short GetNeighborIndex() const { return m_iNeighbor; }
|
|
NeighborSpan GetSpan() const { return (NeighborSpan)m_Span; }
|
|
NeighborSpan GetNeighborSpan() const { return (NeighborSpan)m_NeighborSpan; }
|
|
NeighborOrientation GetNeighborOrientation() const { return (NeighborOrientation)m_NeighborOrientation; }
|
|
|
|
bool IsValid() const { return m_iNeighbor != 0xFFFF; }
|
|
void SetInvalid() { m_iNeighbor = 0xFFFF; }
|
|
|
|
|
|
public:
|
|
unsigned short m_iNeighbor; // This indexes into ddispinfos.
|
|
// 0xFFFF if there is no neighbor here.
|
|
|
|
unsigned char m_NeighborOrientation; // (CCW) rotation of the neighbor wrt this displacement.
|
|
|
|
// These use the NeighborSpan type.
|
|
unsigned char m_Span; // Where the neighbor fits onto this side of our displacement.
|
|
unsigned char m_NeighborSpan; // Where we fit onto our neighbor.
|
|
};
|
|
|
|
|
|
// NOTE: see the section above titled "displacement neighbor rules".
|
|
class CDispNeighbor
|
|
{
|
|
public:
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
void SetInvalid() { m_SubNeighbors[0].SetInvalid(); m_SubNeighbors[1].SetInvalid(); }
|
|
|
|
// Returns false if there isn't anything touching this edge.
|
|
bool IsValid() { return m_SubNeighbors[0].IsValid() || m_SubNeighbors[1].IsValid(); }
|
|
|
|
|
|
public:
|
|
// Note: if there is a neighbor that fills the whole side (CORNER_TO_CORNER),
|
|
// then it will always be in CDispNeighbor::m_Neighbors[0]
|
|
CDispSubNeighbor m_SubNeighbors[2];
|
|
};
|
|
|
|
|
|
class CDispCornerNeighbors
|
|
{
|
|
public:
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
void SetInvalid() { m_nNeighbors = 0; }
|
|
|
|
|
|
public:
|
|
unsigned short m_Neighbors[MAX_DISP_CORNER_NEIGHBORS]; // indices of neighbors.
|
|
unsigned char m_nNeighbors;
|
|
};
|
|
|
|
|
|
class CDispVert
|
|
{
|
|
public:
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
Vector m_vVector; // Vector field defining displacement volume.
|
|
float m_flDist; // Displacement distances.
|
|
float m_flAlpha; // "per vertex" alpha values.
|
|
};
|
|
|
|
#define DISPTRI_TAG_SURFACE (1<<0)
|
|
#define DISPTRI_TAG_WALKABLE (1<<1)
|
|
#define DISPTRI_TAG_BUILDABLE (1<<2)
|
|
#define DISPTRI_FLAG_SURFPROP1 (1<<3)
|
|
#define DISPTRI_FLAG_SURFPROP2 (1<<4)
|
|
#define DISPTRI_TAG_REMOVE (1<<5)
|
|
|
|
class CDispTri
|
|
{
|
|
public:
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
unsigned short m_uiTags; // Displacement triangle tags.
|
|
};
|
|
|
|
class ddispinfo_t
|
|
{
|
|
public:
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
int NumVerts() const { return NUM_DISP_POWER_VERTS(power); }
|
|
int NumTris() const { return NUM_DISP_POWER_TRIS(power); }
|
|
|
|
public:
|
|
Vector startPosition; // start position used for orientation -- (added BSPVERSION 6)
|
|
int m_iDispVertStart; // Index into LUMP_DISP_VERTS.
|
|
int m_iDispTriStart; // Index into LUMP_DISP_TRIS.
|
|
|
|
int power; // power - indicates size of map (2^power + 1)
|
|
int minTess; // minimum tesselation allowed
|
|
float smoothingAngle; // lighting smoothing angle
|
|
int contents; // surface contents
|
|
|
|
unsigned short m_iMapFace; // Which map face this displacement comes from.
|
|
|
|
int m_iLightmapAlphaStart; // Index into ddisplightmapalpha.
|
|
// The count is m_pParent->lightmapTextureSizeInLuxels[0]*m_pParent->lightmapTextureSizeInLuxels[1].
|
|
|
|
int m_iLightmapSamplePositionStart; // Index into LUMP_DISP_LIGHTMAP_SAMPLE_POSITIONS.
|
|
|
|
CDispNeighbor m_EdgeNeighbors[4]; // Indexed by NEIGHBOREDGE_ defines.
|
|
CDispCornerNeighbors m_CornerNeighbors[4]; // Indexed by CORNER_ defines.
|
|
|
|
enum unnamed { ALLOWEDVERTS_SIZE = PAD_NUMBER( MAX_DISPVERTS, 32 ) / 32 };
|
|
unsigned long m_AllowedVerts[ALLOWEDVERTS_SIZE]; // This is built based on the layout and sizes of our neighbors
|
|
// and tells us which vertices are allowed to be active.
|
|
};
|
|
|
|
|
|
// note that edge 0 is never used, because negative edge nums are used for
|
|
// counterclockwise use of the edge in a face
|
|
struct dedge_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
unsigned short v[2]; // vertex numbers
|
|
};
|
|
|
|
#define MAXLIGHTMAPS 4
|
|
|
|
enum dprimitive_type
|
|
{
|
|
PRIM_TRILIST=0,
|
|
PRIM_TRISTRIP=1,
|
|
};
|
|
|
|
struct dprimitive_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
unsigned char type;
|
|
unsigned short firstIndex;
|
|
unsigned short indexCount;
|
|
unsigned short firstVert;
|
|
unsigned short vertCount;
|
|
};
|
|
|
|
struct dprimvert_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
Vector pos;
|
|
};
|
|
|
|
struct dface_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
unsigned short planenum;
|
|
byte side; // faces opposite to the node's plane direction
|
|
byte onNode; // 1 of on node, 0 if in leaf
|
|
|
|
int firstedge; // we must support > 64k edges
|
|
short numedges;
|
|
short texinfo;
|
|
// This is a union under the assumption that a fog volume boundary (ie. water surface)
|
|
// isn't a displacement map.
|
|
// FIXME: These should be made a union with a flags or type field for which one it is
|
|
// if we can add more to this.
|
|
// union
|
|
// {
|
|
short dispinfo;
|
|
// This is only for surfaces that are the boundaries of fog volumes
|
|
// (ie. water surfaces)
|
|
// All of the rest of the surfaces can look at their leaf to find out
|
|
// what fog volume they are in.
|
|
short surfaceFogVolumeID;
|
|
// };
|
|
|
|
// lighting info
|
|
byte styles[MAXLIGHTMAPS];
|
|
int lightofs; // start of [numstyles*surfsize] samples
|
|
float area;
|
|
|
|
// TODO: make these unsigned chars?
|
|
int m_LightmapTextureMinsInLuxels[2];
|
|
int m_LightmapTextureSizeInLuxels[2];
|
|
|
|
int origFace; // reference the original face this face was derived from
|
|
|
|
|
|
public:
|
|
|
|
unsigned short GetNumPrims() const;
|
|
void SetNumPrims( unsigned short nPrims );
|
|
bool AreDynamicShadowsEnabled();
|
|
void SetDynamicShadowsEnabled( bool bEnabled );
|
|
|
|
// non-polygon primitives (strips and lists)
|
|
private:
|
|
unsigned short m_NumPrims; // Top bit, if set, disables shadows on this surface (this is why there are accessors).
|
|
|
|
public:
|
|
unsigned short firstPrimID;
|
|
|
|
unsigned int smoothingGroups;
|
|
};
|
|
|
|
|
|
inline unsigned short dface_t::GetNumPrims() const
|
|
{
|
|
return m_NumPrims & 0x7FFF;
|
|
}
|
|
|
|
inline void dface_t::SetNumPrims( unsigned short nPrims )
|
|
{
|
|
Assert( (nPrims & 0x8000) == 0 );
|
|
m_NumPrims &= ~0x7FFF;
|
|
m_NumPrims |= (nPrims & 0x7FFF);
|
|
}
|
|
|
|
inline bool dface_t::AreDynamicShadowsEnabled()
|
|
{
|
|
return (m_NumPrims & 0x8000) == 0;
|
|
}
|
|
|
|
inline void dface_t::SetDynamicShadowsEnabled( bool bEnabled )
|
|
{
|
|
if ( bEnabled )
|
|
m_NumPrims &= ~0x8000;
|
|
else
|
|
m_NumPrims |= 0x8000;
|
|
}
|
|
|
|
struct dfaceid_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
unsigned short hammerfaceid;
|
|
};
|
|
|
|
|
|
// NOTE: Only 7-bits stored!!!
|
|
#define LEAF_FLAGS_SKY 0x01 // This leaf has 3D sky in its PVS
|
|
#define LEAF_FLAGS_RADIAL 0x02 // This leaf culled away some portals due to radial vis
|
|
#define LEAF_FLAGS_SKY2D 0x04 // This leaf has 2D sky in its PVS
|
|
|
|
#if defined( _X360 )
|
|
#pragma bitfield_order( push, lsb_to_msb )
|
|
#endif
|
|
#pragma warning( disable:4201 ) // C4201: nonstandard extension used: nameless struct/union
|
|
struct dleaf_version_0_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
int contents; // OR of all brushes (not needed?)
|
|
|
|
short cluster;
|
|
|
|
BEGIN_BITFIELD( bf );
|
|
short area:9;
|
|
short flags:7; // Per leaf flags.
|
|
END_BITFIELD();
|
|
|
|
short mins[3]; // for frustum culling
|
|
short maxs[3];
|
|
|
|
unsigned short firstleafface;
|
|
unsigned short numleaffaces;
|
|
|
|
unsigned short firstleafbrush;
|
|
unsigned short numleafbrushes;
|
|
short leafWaterDataID; // -1 for not in water
|
|
|
|
// Precaculated light info for entities.
|
|
CompressedLightCube m_AmbientLighting;
|
|
};
|
|
|
|
// version 1
|
|
struct dleaf_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
int contents; // OR of all brushes (not needed?)
|
|
|
|
short cluster;
|
|
|
|
BEGIN_BITFIELD( bf );
|
|
short area:9;
|
|
short flags:7; // Per leaf flags.
|
|
END_BITFIELD();
|
|
|
|
short mins[3]; // for frustum culling
|
|
short maxs[3];
|
|
|
|
unsigned short firstleafface;
|
|
unsigned short numleaffaces;
|
|
|
|
unsigned short firstleafbrush;
|
|
unsigned short numleafbrushes;
|
|
short leafWaterDataID; // -1 for not in water
|
|
|
|
// NOTE: removed this for version 1 and moved into separate lump "LUMP_LEAF_AMBIENT_LIGHTING" or "LUMP_LEAF_AMBIENT_LIGHTING_HDR"
|
|
// Precaculated light info for entities.
|
|
// CompressedLightCube m_AmbientLighting;
|
|
};
|
|
#pragma warning( default:4201 ) // C4201: nonstandard extension used: nameless struct/union
|
|
#if defined( _X360 )
|
|
#pragma bitfield_order( pop )
|
|
#endif
|
|
|
|
// each leaf contains N samples of the ambient lighting
|
|
// each sample contains a cube of ambient light projected on to each axis
|
|
// and a sampling position encoded as a 0.8 fraction (mins=0,maxs=255) of the leaf's bounding box
|
|
struct dleafambientlighting_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
CompressedLightCube cube;
|
|
byte x; // fixed point fraction of leaf bounds
|
|
byte y; // fixed point fraction of leaf bounds
|
|
byte z; // fixed point fraction of leaf bounds
|
|
byte pad; // unused
|
|
};
|
|
|
|
struct dleafambientindex_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
|
|
unsigned short ambientSampleCount;
|
|
unsigned short firstAmbientSample;
|
|
};
|
|
|
|
struct dbrushside_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
unsigned short planenum; // facing out of the leaf
|
|
short texinfo;
|
|
short dispinfo; // displacement info (BSPVERSION 7)
|
|
short bevel; // is the side a bevel plane? (BSPVERSION 7)
|
|
};
|
|
|
|
struct dbrush_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
int firstside;
|
|
int numsides;
|
|
int contents;
|
|
};
|
|
|
|
#define ANGLE_UP -1
|
|
#define ANGLE_DOWN -2
|
|
|
|
|
|
// the visibility lump consists of a header with a count, then
|
|
// byte offsets for the PVS and PHS of each cluster, then the raw
|
|
// compressed bit vectors
|
|
#define DVIS_PVS 0
|
|
#define DVIS_PAS 1
|
|
struct dvis_t
|
|
{
|
|
int numclusters;
|
|
int bitofs[8][2]; // bitofs[numclusters][2]
|
|
};
|
|
|
|
// each area has a list of portals that lead into other areas
|
|
// when portals are closed, other areas may not be visible or
|
|
// hearable even if the vis info says that it should be
|
|
struct dareaportal_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
unsigned short m_PortalKey; // Entities have a key called portalnumber (and in vbsp a variable
|
|
// called areaportalnum) which is used
|
|
// to bind them to the area portals by comparing with this value.
|
|
|
|
unsigned short otherarea; // The area this portal looks into.
|
|
|
|
unsigned short m_FirstClipPortalVert; // Portal geometry.
|
|
unsigned short m_nClipPortalVerts;
|
|
|
|
int planenum;
|
|
};
|
|
|
|
|
|
struct darea_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
int numareaportals;
|
|
int firstareaportal;
|
|
};
|
|
|
|
struct dleafwaterdata_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
float surfaceZ;
|
|
float minZ;
|
|
short surfaceTexInfoID;
|
|
};
|
|
|
|
class CFaceMacroTextureInfo
|
|
{
|
|
public:
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
// This looks up into g_TexDataStringTable, which looks up into g_TexDataStringData.
|
|
// 0xFFFF if the face has no macro texture.
|
|
unsigned short m_MacroTextureNameID;
|
|
};
|
|
|
|
// lights that were used to illuminate the world
|
|
enum emittype_t
|
|
{
|
|
emit_surface, // 90 degree spotlight
|
|
emit_point, // simple point light source
|
|
emit_spotlight, // spotlight with penumbra
|
|
emit_skylight, // directional light with no falloff (surface must trace to SKY texture)
|
|
emit_quakelight, // linear falloff, non-lambertian
|
|
emit_skyambient, // spherical light source with no falloff (surface must trace to SKY texture)
|
|
};
|
|
|
|
|
|
// Flags for dworldlight_t::flags
|
|
#define DWL_FLAGS_INAMBIENTCUBE 0x0001 // This says that the light was put into the per-leaf ambient cubes.
|
|
|
|
|
|
struct dworldlight_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
Vector origin;
|
|
Vector intensity;
|
|
Vector normal; // for surfaces and spotlights
|
|
int cluster;
|
|
emittype_t type;
|
|
int style;
|
|
float stopdot; // start of penumbra for emit_spotlight
|
|
float stopdot2; // end of penumbra for emit_spotlight
|
|
float exponent; //
|
|
float radius; // cutoff distance
|
|
// falloff for emit_spotlight + emit_point:
|
|
// 1 / (constant_attn + linear_attn * dist + quadratic_attn * dist^2)
|
|
float constant_attn;
|
|
float linear_attn;
|
|
float quadratic_attn;
|
|
int flags; // Uses a combination of the DWL_FLAGS_ defines.
|
|
int texinfo; //
|
|
int owner; // entity that this light it relative to
|
|
};
|
|
|
|
struct dcubemapsample_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
int origin[3]; // position of light snapped to the nearest integer
|
|
// the filename for the vtf file is derived from the position
|
|
unsigned char size; // 0 - default
|
|
// otherwise, 1<<(size-1)
|
|
};
|
|
|
|
#define OVERLAY_BSP_FACE_COUNT 64
|
|
|
|
#define OVERLAY_NUM_RENDER_ORDERS (1<<OVERLAY_RENDER_ORDER_NUM_BITS)
|
|
#define OVERLAY_RENDER_ORDER_NUM_BITS 2
|
|
#define OVERLAY_RENDER_ORDER_MASK 0xC000 // top 2 bits set
|
|
|
|
struct doverlay_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
int nId;
|
|
short nTexInfo;
|
|
|
|
// Accessors..
|
|
void SetFaceCount( unsigned short count );
|
|
unsigned short GetFaceCount() const;
|
|
|
|
void SetRenderOrder( unsigned short order );
|
|
unsigned short GetRenderOrder() const;
|
|
|
|
private:
|
|
unsigned short m_nFaceCountAndRenderOrder;
|
|
|
|
public:
|
|
int aFaces[OVERLAY_BSP_FACE_COUNT];
|
|
float flU[2];
|
|
float flV[2];
|
|
Vector vecUVPoints[4];
|
|
Vector vecOrigin;
|
|
Vector vecBasisNormal;
|
|
};
|
|
|
|
|
|
inline void doverlay_t::SetFaceCount( unsigned short count )
|
|
{
|
|
m_nFaceCountAndRenderOrder &= OVERLAY_RENDER_ORDER_MASK;
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m_nFaceCountAndRenderOrder |= (count & ~OVERLAY_RENDER_ORDER_MASK);
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}
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|
|
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inline unsigned short doverlay_t::GetFaceCount() const
|
|
{
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|
return m_nFaceCountAndRenderOrder & ~OVERLAY_RENDER_ORDER_MASK;
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|
}
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|
|
|
inline void doverlay_t::SetRenderOrder( unsigned short order )
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|
{
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|
m_nFaceCountAndRenderOrder &= ~OVERLAY_RENDER_ORDER_MASK;
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m_nFaceCountAndRenderOrder |= (order << (16 - OVERLAY_RENDER_ORDER_NUM_BITS)); // leave 2 bits for render order.
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|
}
|
|
|
|
inline unsigned short doverlay_t::GetRenderOrder() const
|
|
{
|
|
return (m_nFaceCountAndRenderOrder >> (16 - OVERLAY_RENDER_ORDER_NUM_BITS));
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|
}
|
|
|
|
|
|
struct doverlayfade_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
|
|
float flFadeDistMinSq;
|
|
float flFadeDistMaxSq;
|
|
};
|
|
|
|
|
|
#define WATEROVERLAY_BSP_FACE_COUNT 256
|
|
#define WATEROVERLAY_RENDER_ORDER_NUM_BITS 2
|
|
#define WATEROVERLAY_NUM_RENDER_ORDERS (1<<WATEROVERLAY_RENDER_ORDER_NUM_BITS)
|
|
#define WATEROVERLAY_RENDER_ORDER_MASK 0xC000 // top 2 bits set
|
|
struct dwateroverlay_t
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
int nId;
|
|
short nTexInfo;
|
|
|
|
// Accessors..
|
|
void SetFaceCount( unsigned short count );
|
|
unsigned short GetFaceCount() const;
|
|
void SetRenderOrder( unsigned short order );
|
|
unsigned short GetRenderOrder() const;
|
|
|
|
private:
|
|
|
|
unsigned short m_nFaceCountAndRenderOrder;
|
|
|
|
public:
|
|
|
|
int aFaces[WATEROVERLAY_BSP_FACE_COUNT];
|
|
float flU[2];
|
|
float flV[2];
|
|
Vector vecUVPoints[4];
|
|
Vector vecOrigin;
|
|
Vector vecBasisNormal;
|
|
};
|
|
|
|
inline void dwateroverlay_t::SetFaceCount( unsigned short count )
|
|
{
|
|
m_nFaceCountAndRenderOrder &= WATEROVERLAY_RENDER_ORDER_MASK;
|
|
m_nFaceCountAndRenderOrder |= (count & ~WATEROVERLAY_RENDER_ORDER_MASK);
|
|
}
|
|
|
|
inline unsigned short dwateroverlay_t::GetFaceCount() const
|
|
{
|
|
return m_nFaceCountAndRenderOrder & ~WATEROVERLAY_RENDER_ORDER_MASK;
|
|
}
|
|
|
|
inline void dwateroverlay_t::SetRenderOrder( unsigned short order )
|
|
{
|
|
m_nFaceCountAndRenderOrder &= ~WATEROVERLAY_RENDER_ORDER_MASK;
|
|
m_nFaceCountAndRenderOrder |= ( order << ( 16 - WATEROVERLAY_RENDER_ORDER_NUM_BITS ) ); // leave 2 bits for render order.
|
|
}
|
|
|
|
inline unsigned short dwateroverlay_t::GetRenderOrder() const
|
|
{
|
|
return ( m_nFaceCountAndRenderOrder >> ( 16 - WATEROVERLAY_RENDER_ORDER_NUM_BITS ) );
|
|
}
|
|
|
|
#ifndef _DEF_BYTE_
|
|
#define _DEF_BYTE_
|
|
typedef unsigned char byte;
|
|
typedef unsigned short word;
|
|
#endif
|
|
|
|
|
|
#define ANGLE_UP -1
|
|
#define ANGLE_DOWN -2
|
|
|
|
|
|
//===============
|
|
|
|
|
|
struct epair_t
|
|
{
|
|
epair_t *next;
|
|
char *key;
|
|
char *value;
|
|
};
|
|
|
|
// finalized page of surface's lightmaps
|
|
#define MAX_LIGHTMAPPAGE_WIDTH 256
|
|
#define MAX_LIGHTMAPPAGE_HEIGHT 128
|
|
typedef struct nameForDatadesc_dlightmappage_t // unnamed structs collide in the datadesc macros
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
byte data[MAX_LIGHTMAPPAGE_WIDTH*MAX_LIGHTMAPPAGE_HEIGHT];
|
|
byte palette[256*4];
|
|
} dlightmappage_t;
|
|
|
|
typedef struct nameForDatadesc_dlightmappageinfo_t // unnamed structs collide in the datadesc macros
|
|
{
|
|
DECLARE_BYTESWAP_DATADESC();
|
|
byte page; // lightmap page [0..?]
|
|
byte offset[2]; // offset into page (s,t)
|
|
byte pad; // unused
|
|
ColorRGBExp32 avgColor; // average used for runtime lighting calcs
|
|
} dlightmappageinfo_t;
|
|
|
|
#endif // BSPFILE_H
|