Glenn Maynard
113 lines
3.3 KiB
C++
113 lines
3.3 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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//-----------------------------------------------------------------------------
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// Includes
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//-----------------------------------------------------------------------------
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#include "RageTexture.h"
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#include "RageUtil.h"
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#include <string.h>
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#include <assert.h>
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//-----------------------------------------------------------------------------
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// RageTexture constructor
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//-----------------------------------------------------------------------------
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RageTexture::RageTexture(
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RageDisplay* pScreen,
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const CString &sFilePath,
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int dwMaxSize,
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int dwTextureColorDepth,
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int iMipMaps,
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int iAlphaBits,
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bool bDither,
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bool bStretch )
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{
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// LOG->Trace( "RageTexture::RageTexture()" );
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// save a pointer to the D3D device
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m_pd3dDevice = pScreen->m_pd3dDevice;
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assert( m_pd3dDevice != NULL );
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// save the file path
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m_sFilePath = sFilePath;
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// m_pd3dTexture = NULL;
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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 = 1;
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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( m_sFilePath, &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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FRECT 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.Add( 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 ) const
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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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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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