Glenn Maynard
129 lines
3.5 KiB
C++
129 lines
3.5 KiB
C++
#include "stdafx.h"
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/*
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-----------------------------------------------------------------------------
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File: RageTexture.h
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Desc: Abstract class for a texture with metadata.
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Copyright (c) 2001-2002 by the person(s) listed below. All rights reserved.
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-----------------------------------------------------------------------------
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*/
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#include "RageTexture.h"
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#include "RageUtil.h"
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#include "RageTextureManager.h"
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#include <string.h>
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void RageTextureID::Init()
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{
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iMaxSize = 2048;
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iMipMaps = 4;
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iAlphaBits = 4;
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bDither = false;
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bStretch = false;
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iColorDepth = TEXTUREMAN->GetTextureColorDepth();
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}
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bool RageTextureID::equal(const RageTextureID &rhs) const
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{
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if(filename != rhs.filename) return false;
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if(iMaxSize != rhs.iMaxSize) return false;
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if(iMipMaps != rhs.iMipMaps) return false;
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if(iAlphaBits != rhs.iAlphaBits) return false;
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if(iColorDepth != rhs.iColorDepth) return false;
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if(bDither != rhs.bDither) return false;
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if(bStretch != rhs.bStretch) return false;
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return true;
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}
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RageTexture::RageTexture( RageTextureID name )
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{
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// LOG->Trace( "RageTexture::RageTexture()" );
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m_ID = m_ActualID = name;
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m_iRefCount = 1;
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m_iSourceWidth = m_iSourceHeight = 0;
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m_iTextureWidth = m_iTextureHeight = 0;
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m_iImageWidth = m_iImageHeight = 0;
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m_iFramesWide = m_iFramesHigh = 0;
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}
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RageTexture::~RageTexture()
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{
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}
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void RageTexture::CreateFrameRects()
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{
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GetFrameDimensionsFromFileName( GetFilePath(), &m_iFramesWide, &m_iFramesHigh );
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///////////////////////////////////
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// Fill in the m_FrameRects with the bounds of each frame in the animation.
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///////////////////////////////////
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m_TextureCoordRects.clear();
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for( int j=0; j<m_iFramesHigh; j++ ) // traverse along Y
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{
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for( int i=0; i<m_iFramesWide; i++ ) // traverse along X (important that this is the inner loop)
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{
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RectF frect( (i+0)/(float)m_iFramesWide*m_iImageWidth /(float)m_iTextureWidth, // these will all be between 0.0 and 1.0
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(j+0)/(float)m_iFramesHigh*m_iImageHeight/(float)m_iTextureHeight,
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(i+1)/(float)m_iFramesWide*m_iImageWidth /(float)m_iTextureWidth,
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(j+1)/(float)m_iFramesHigh*m_iImageHeight/(float)m_iTextureHeight );
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m_TextureCoordRects.push_back( frect ); // the index of this array element will be (i + j*m_iFramesWide)
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//LOG->Trace( "Adding frect%d %f %f %f %f", (i + j*m_iFramesWide), frect.left, frect.top, frect.right, frect.bottom );
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}
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}
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}
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void RageTexture::GetFrameDimensionsFromFileName( CString sPath, int* piFramesWide, int* piFramesHigh )
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{
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*piFramesWide = *piFramesHigh = 1; // set default values in case we don't find the dimension in the file name
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sPath.MakeLower();
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CString sDir, sFName, sExt;
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splitrelpath( sPath, sDir, sFName, sExt);
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CStringArray arrayBits;
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split( sFName, " ", arrayBits, false );
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/* XXX: allow dims to be in parens */
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for( unsigned i=0; i<arrayBits.size(); i++ )
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{
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CString &sBit = arrayBits[ i ];
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// Test to see if it looks like "%ux%u" (e.g. 16x8)
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CStringArray arrayDimensionsBits;
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split( sBit, "x", arrayDimensionsBits, false );
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if( arrayDimensionsBits.size() != 2 )
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continue;
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else if( !IsAnInt(arrayDimensionsBits[0]) || !IsAnInt(arrayDimensionsBits[1]) )
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continue;
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*piFramesWide = atoi(arrayDimensionsBits[0]);
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*piFramesHigh = atoi(arrayDimensionsBits[1]);
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return;
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}
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}
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int RageTexture::GetFrameCountFromFileName( CString sPath )
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{
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int wide, high;
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GetFrameDimensionsFromFileName(sPath, &wide, &high );
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return wide*high;
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}
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const RectF *RageTexture::GetTextureCoordRect( int frameNo ) const
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{
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return &m_TextureCoordRects[frameNo];
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}
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