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