Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// The copyright to the contents herein is the property of Valve, L.L.C.
// The contents may be used and/or copied only with the written permission of
// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
// the agreement/contract under which the contents have been supplied.
//
// Purpose:
//
// $Workfile: $
// $Date: $
// $NoKeywords: $
//=============================================================================
#ifndef IMAGEPACKER_H
#define IMAGEPACKER_H
#ifdef _WIN32
#pragma once
#endif
#define MAX_MAX_LIGHTMAP_WIDTH 2048
//-----------------------------------------------------------------------------
// This packs a single lightmap
//-----------------------------------------------------------------------------
class CImagePacker
{
public:
bool Reset( int maxLightmapWidth, int maxLightmapHeight );
bool AddBlock( int width, int height, int *returnX, int *returnY );
protected:
int GetMaxYIndex( int firstX, int width );
int m_MaxLightmapWidth;
int m_MaxLightmapHeight;
int m_pLightmapWavefront[MAX_MAX_LIGHTMAP_WIDTH];
int m_AreaUsed;
int m_MinimumHeight;
// For optimization purposes:
// These store the width + height of the first image
// that was unable to be stored in this image
int m_MaxBlockWidth;
int m_MaxBlockHeight;
};
#endif // IMAGEPACKER_H