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87 lines
1.8 KiB
87 lines
1.8 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
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// |
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// Hardware Texels |
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// |
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// Contains texture data that was encoded with the map. The initial use case |
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// is for per-texel lightmaps to allow static props to match the lighting |
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// of the surrounding BSP geometry. |
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// |
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//=============================================================================// |
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#ifndef HARDWARETEXELS_H |
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#define HARDWARETEXELS_H |
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#ifdef _WIN32 |
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#pragma once |
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#endif |
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#include "bitmap/imageformat.h" |
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#include "datamap.h" |
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// valve hardware texels |
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#define VHT_VERSION 0 |
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namespace HardwareTexels |
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{ |
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#pragma pack(1) |
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// ------------------------------------------------------------------------------------------------ |
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struct MeshHeader_t |
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{ |
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DECLARE_BYTESWAP_DATADESC(); |
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// this mesh is part of this lod |
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unsigned int m_nLod; |
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// starting at this offset |
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unsigned int m_nOffset; |
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// this mesh consumes this many bytes |
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unsigned int m_nBytes; |
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// with this width and height |
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unsigned int m_nWidth; |
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unsigned int m_nHeight; |
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unsigned int m_nUnused[3]; |
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}; |
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// ------------------------------------------------------------------------------------------------ |
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struct FileHeader_t |
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{ |
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DECLARE_BYTESWAP_DATADESC(); |
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// file version as defined by VHV_VERSION |
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int m_nVersion; |
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// must match checkSum in the .mdl header |
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unsigned int m_nChecksum; |
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// all texels are encoded in the same format |
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// This is a value from ImageFormat. |
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unsigned int m_nTexelFormat; |
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// Number of meshes |
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int m_nMeshes; |
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inline MeshHeader_t *pMesh( int nMesh ) const |
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{ |
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Assert(nMesh < m_nMeshes); |
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return (MeshHeader_t *)(((byte *)this) + sizeof(FileHeader_t)) + nMesh; |
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}; |
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inline void *pTexelBase( int nMesh ) const |
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{ |
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return (void *)((byte *)this + pMesh( nMesh )->m_nOffset); |
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}; |
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unsigned int m_nUnused[4]; |
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}; |
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#pragma pack() |
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}; // end namespace |
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#endif // HARDWARETEXELS_H |
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