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69 lines
1.6 KiB
69 lines
1.6 KiB
//========= 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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