Method OnPrepareResources

trinity/Sprite2d/Tr2Sprite2dScene.cpp:1212–1314

}

bool Tr2Sprite2dScene::OnPrepareResources()
{
	if( m_vertexDecl == Tr2EffectStateManager::UNINITIALIZED_DECLARATION )
	{
		if( s_vertexDesc.empty() )
		{
			// This vertex declaration matches the Tr2Sprite2dD3DVertex defined in ITr2Sprite2dRenderer.h
			s_vertexDesc.Add( s_vertexDesc.FLOAT32_3, s_vertexDesc.POSITION );
			s_vertexDesc.Add( s_vertexDesc.FLOAT32_4, s_vertexDesc.COLOR, 0 );

			// Texture coordinates, primary texture
			s_vertexDesc.Add( s_vertexDesc.FLOAT32_2, s_vertexDesc.TEXCOORD, 0 );

			// Texture coordinates, secondary texture
			s_vertexDesc.Add( s_vertexDesc.FLOAT32_2, s_vertexDesc.TEXCOORD, 1 );

			// Clip rect
			s_vertexDesc.Add( s_vertexDesc.FLOAT32_4, s_vertexDesc.TEXCOORD, 2 );

			// Glow brightness
			s_vertexDesc.Add( s_vertexDesc.FLOAT32_1, s_vertexDesc.TEXCOORD, 3 );

			// Matrix index
			s_vertexDesc.Add( s_vertexDesc.UBYTE_4, s_vertexDesc.BLENDINDICES );

			// Outline color
			s_vertexDesc.Add( s_vertexDesc.FLOAT32_4, s_vertexDesc.COLOR, 1 );

			// Outline threshold
			s_vertexDesc.Add( s_vertexDesc.FLOAT32_1, s_vertexDesc.TEXCOORD, 4 );
		}

		m_vertexDecl = Tr2EffectStateManager::GetVertexDeclarationHandle( s_vertexDesc );
	}

	unsigned int indexCount = m_maxSpriteCount * 6;
	unsigned int ibSize = indexCount * sizeof( uint32_t );
	unsigned int vbSize = m_maxSpriteCount * 4 * sizeof( Tr2Sprite2dD3DVertex );

	if( !m_vertexBuffer.Create( vbSize ) )
	{
		CCP_LOGERR( "Tr2Sprite2dScene::OnPrepareResources failed to create streaming vertex buffer" );
		return false;
	}
	m_vertexBuffer.SetName( "UI Vertex Buffer" );

	if( !m_indexBuffer.Create( indexCount, 4 ) )
	{
		CCP_LOGERR( "Tr2Sprite2dScene::OnPrepareResources failed to create streaming index buffer" );
		return false;
	}
	m_indexBuffer.SetName( "UI Index Buffer" );

	m_vertexBufferData.resize( "Tr2Sprite2dScene::m_vertexBufferData", vbSize );
	if( m_vertexBufferData.empty() )
	{
		CCP_LOGERR( "Tr2Sprite2dScene::OnPrepareResources failed to allocate vertex buffer mirror" );
		return false;