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88 lines
1.8 KiB
88 lines
1.8 KiB
5 years ago
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//========= 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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