Files
itgmania212121/stepmania/src/RageTexture.cpp
T

102 lines
3.0 KiB
C++

#include "stdafx.h"
/*
-----------------------------------------------------------------------------
File: RageTexture.h
Desc: Abstract class for a texture with metadata.
Copyright (c) 2001 Chris Danford. All rights reserved.
-----------------------------------------------------------------------------
*/
//-----------------------------------------------------------------------------
// Includes
//-----------------------------------------------------------------------------
#include "RageTexture.h"
#include "RageUtil.h"
//-----------------------------------------------------------------------------
// RageTexture constructor
//-----------------------------------------------------------------------------
RageTexture::RageTexture( LPRageScreen pScreen, CString sFilePath )
{
// 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;
m_uSourceWidth = m_uSourceHeight = 0;
m_uTextureWidth = m_uTextureHeight = 0;
m_uImageWidth = m_uImageHeight = 0;
m_uFramesWide = m_uFramesHigh = 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.
///////////////////////////////////
for( UINT j=0; j<m_uFramesHigh; j++ ) // traverse along Y
{
for( UINT i=0; i<m_uFramesWide; i++ ) // traverse along X (important that this is the inner loop)
{
FRECT frect( (i+0)/(float)m_uFramesWide*m_uImageWidth /m_uTextureWidth, // these will all be between 0.0 and 1.0
(j+0)/(float)m_uFramesHigh*m_uImageHeight/m_uTextureHeight,
(i+1)/(float)m_uFramesWide*m_uImageWidth /m_uTextureWidth,
(j+1)/(float)m_uFramesHigh*m_uImageHeight/m_uTextureHeight );
m_TextureCoordRects.Add( frect ); // the index of this array element will be (i + j*m_uFramesWide)
//RageLog( "Adding frect%d %f %f %f %f", (i + j*m_uFramesWide), frect.left, frect.top, frect.right, frect.bottom );
}
}
}
#include "string.h"
void RageTexture::GetFrameDimensionsFromFileName( CString sPath, UINT* puFramesWide, UINT* puFramesHigh ) const
{
*puFramesWide = *puFramesHigh = 1; // set default values in case we don't find the dimension in the file name
sPath.MakeLower();
CString sDir, sFName, sExt;
splitrelpath( sPath, sDir, sFName, sExt);
CStringArray arrayBits;
split( sFName, " ", arrayBits, false );
for( int i=0; i<arrayBits.GetSize(); i++ )
{
CString &sBit = arrayBits[ i ];
// Test to see if it looks like "%ux%u" (e.g. 16x8)
CStringArray arrayDimensionsBits;
split( sBit, "x", arrayDimensionsBits, false );
if( arrayDimensionsBits.GetSize() != 2 )
continue;
else if( !IsAnInt(arrayDimensionsBits[0]) || !IsAnInt(arrayDimensionsBits[1]) )
continue;
*puFramesWide = atoi(arrayDimensionsBits[0]);
*puFramesHigh = atoi(arrayDimensionsBits[1]);
return;
}
}