70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $Workfile: $
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// $Date: $
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// $NoKeywords: $
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//=============================================================================//
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#ifndef IMAGEPACKER_H
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#define IMAGEPACKER_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "utlvector.h"
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#include "utlrbtree.h"
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#define MAX_MAX_LIGHTMAP_WIDTH 2048
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//-----------------------------------------------------------------------------
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// This packs a single lightmap
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//-----------------------------------------------------------------------------
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class CImagePacker
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{
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public:
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bool Reset( int nSortId, int maxLightmapWidth, int maxLightmapHeight );
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bool AddBlock( int width, int height,
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int *returnX, int *returnY );
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void GetMinimumDimensions( int *returnWidth, int *returnHeight );
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float GetEfficiency( void );
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int GetSortId() const;
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void IncrementSortId();
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protected:
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int GetMaxYIndex( int firstX, int width );
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int m_MaxLightmapWidth;
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int m_MaxLightmapHeight;
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int m_pLightmapWavefront[MAX_MAX_LIGHTMAP_WIDTH];
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int m_AreaUsed;
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int m_MinimumHeight;
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// For optimization purposes:
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// These store the width + height of the first image
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// that was unable to be stored in this image
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int m_MaxBlockWidth;
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int m_MaxBlockHeight;
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int m_nSortID;
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};
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//-----------------------------------------------------------------------------
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// Inline methods
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//-----------------------------------------------------------------------------
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inline int CImagePacker::GetSortId() const
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{
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return m_nSortID;
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}
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inline void CImagePacker::IncrementSortId()
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{
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++m_nSortID;
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}
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#endif // IMAGEPACKER_H
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