void Sprite::SetTexture( RageTexture *pTexture )
{
ASSERT( pTexture != NULL );
if( m_pTexture != pTexture )
{
UnloadTexture();
m_pTexture = pTexture;
}
ASSERT( m_pTexture->GetTextureWidth() >= 0 );
ASSERT( m_pTexture->GetTextureHeight() >= 0 );
// the size of the sprite is the size of the image before it was scaled
Sprite::m_size.x = (float)m_pTexture->GetSourceFrameWidth();
Sprite::m_size.y = (float)m_pTexture->GetSourceFrameHeight();
// apply clipping (if any)
if( m_fRememberedClipWidth != -1 && m_fRememberedClipHeight != -1 )
ScaleToClipped( m_fRememberedClipWidth, m_fRememberedClipHeight );
// Load default states if we haven't before.
if( m_States.empty() )
LoadStatesFromTexture();
}
bool Sprite::LoadFromTexture( RageTextureID ID )
{
LOG->Trace( "Sprite::LoadFromTexture( %s )", ID.filename.c_str() );
if( !m_pTexture || !(m_pTexture->GetID() == ID) )
{
/* Load the texture if it's not already loaded. We still need
* to do the rest, even if it's the same texture, since we need
* to reset Sprite::m_size, etc. */
UnloadTexture();
m_pTexture = TEXTUREMAN->LoadTexture( ID );
ASSERT( m_pTexture->GetTextureWidth() >= 0 );
ASSERT( m_pTexture->GetTextureHeight() >= 0 );
}
ASSERT( m_pTexture != NULL );
/* Hack: if we load "_blank", mark the actor hidden, so we can short-circuit
* rendering later on. (This helps NoteField rendering.) */
if( !SetExtension(Basename(ID.filename), "").CompareNoCase("_blank") )
this->SetHidden( true );
// the size of the sprite is the size of the image before it was scaled
Sprite::m_size.x = (float)m_pTexture->GetSourceFrameWidth();
Sprite::m_size.y = (float)m_pTexture->GetSourceFrameHeight();
// Assume the frames of this animation play in sequential order with 0.1 second delay.
m_States.clear();
for( int i=0; i<m_pTexture->GetNumFrames(); i++ )
{
State newState = { i, 0.1f };
m_States.push_back( newState );
}
// apply clipping (if any)
if( m_fRememberedClipWidth != -1 && m_fRememberedClipHeight != -1 )
ScaleToClipped( m_fRememberedClipWidth, m_fRememberedClipHeight );
return true;
}
