Initial checkin

stepmania/src/RageTexture.cpp

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+#include "stdafx.h"
+//-----------------------------------------------------------------------------
+// File: RageTexture.cpp
+//
+// Desc: 
+//
+// Copyright (c) 2001 Chris Danford.  All rights reserved.
+//-----------------------------------------------------------------------------
+
+ 
+//-----------------------------------------------------------------------------
+// Includes
+//-----------------------------------------------------------------------------
+#include "RageTexture.h"
+#include "RageUtil.h"
+
+
+//-----------------------------------------------------------------------------
+// RageTexture constructor
+//-----------------------------------------------------------------------------
+RageTexture::RageTexture( LPRageScreen pScreen, CString sFilePath ) :
+  m_uImageWidth( 0 ),
+  m_uImageHeight( 0 ),
+  m_uTextureWidth( 0 ),
+  m_uTextureHeight( 0 ),
+  m_uFramesWide( 1 ),
+  m_uFramesHigh( 1 ),
+  m_uFrameWidth( 0 ),
+  m_uFrameHeight( 0 )
+{
+//	RageLog( "RageTexture::RageTexture()" );
+
+	// save a pointer to the D3D device
+	m_pd3dDevice = pScreen->GetDevice();
+	assert( m_pd3dDevice != NULL );
+
+	// save the file path
+	m_sFilePath = sFilePath;
+	m_pd3dTexture = NULL;
+	m_iRefCount = 1;
+
+
+}
+
+RageTexture::~RageTexture()
+{
+
+}
+
+
+VOID RageTexture::CreateFrameRects()
+{
+	GetFrameDimensionsFromFileName( m_sFilePath, m_uFramesWide, m_uFramesHigh );
+
+	///////////////////////////////////
+	// Fill in the m_FrameRects with the bounds of each frame in the animation.
+	///////////////////////////////////
+
+	// calculate the width and height of the frames
+	m_uFrameWidth = GetImageWidth() / m_uFramesWide;
+	m_uFrameHeight= GetImageHeight() / m_uFramesHigh;
+
+	for( UINT j=0; j<m_uFramesHigh; j++ )
+	{
+		for( UINT i=0; i<m_uFramesWide; i++ )
+		{
+			RECT rectCurFrame;
+			::SetRect( &rectCurFrame, (i+0)*m_uFrameWidth, (j+0)*m_uFrameHeight, 
+								      (i+1)*m_uFrameWidth, (j+1)*m_uFrameHeight );
+			m_FrameRects.Add( rectCurFrame );	// the index of this array element will be (i + j*m_uFramesWide)
+			
+//			RageLog( "Adding frame#%d: %d %d %d %d", (i + j*m_uFramesWide), rectCurFrame.left, rectCurFrame.top, rectCurFrame.right, rectCurFrame.bottom );
+		}
+	}
+}
+
+#include "string.h"
+VOID RageTexture::GetFrameDimensionsFromFileName( CString sPath, UINT &uFramesWide, UINT &uFramesHigh ) const
+{
+	//////////////////////////////////////////////////
+	// Parse m_sFilePath for the frame dimensions
+	//
+	// The file name must look like "name 4x15.gif".  The the space is required.
+	//////////////////////////////////////////////////
+	CString sDimensionsString = sPath;	// we will chop this down to the "4x15" part.  Need regular... expressions... choke :-)
+
+	// chop off the extension
+	int index_of_last_period = sDimensionsString.ReverseFind( '.' );
+	if( index_of_last_period == -1 )	// this file name has no extension, but it the texture was loaded.  I doubt this code will ever execute :-)
+	{
+		uFramesWide = uFramesHigh = 1;  
+		return;
+	}
+	sDimensionsString = sDimensionsString.Left(index_of_last_period);
+
+	// chop off everything before the last space
+	int index_of_last_space = sDimensionsString.ReverseFind( ' ' );
+	if( index_of_last_space == -1 )	// this file name has space, so the dimensions tag cannot be read
+	{
+		uFramesWide = uFramesHigh = 1;  
+		return;
+	}
+	sDimensionsString.Delete( 0, index_of_last_space+1 );
+
+	// now we are left with "4x15"
+	int index_of_x = sDimensionsString.Find( 'x' );
+	if( index_of_x == -1 )	// this file name doesn't have an x in the last token.  So, this probably isn't a dimension tag.
+	{
+		uFramesWide = uFramesHigh = 1;  
+		return;
+	}
+	uFramesWide = (UINT) atoi( sDimensionsString.Left( index_of_x ) );
+
+	// chop off the frames wide part and read in the frames high
+	sDimensionsString.Delete( 0, index_of_x+1 );
+	uFramesHigh = (UINT) atoi( sDimensionsString );
+	
+	if( uFramesWide == 0 )	uFramesWide = 1;
+	if( uFramesHigh == 0 )	uFramesHigh = 1;
+}