private void UpdateTextureBuffer()
{
int sourceIndex = (int)updateTile.X * 8;
for (int ly = 0; ly < DrawSize.Height; ly++)
{
int baseDestinationIndex = ly * textureBufferLength;
if (ly + (int)updateTile.Y < Height)
{
int layerBufferIndex = ly + (int)updateTile.Y;
Array.Copy(layerBuffer[0][layerBufferIndex], sourceIndex, mainTextureBuffer.Cache, baseDestinationIndex, textureBufferLength);
Array.Copy(layerBuffer[1][layerBufferIndex], sourceIndex, mainTextureBuffer.Cache, baseDestinationIndex + textureBufferL1baseOffset, textureBufferLength);
Array.Copy(layerBuffer[2][layerBufferIndex], sourceIndex, foregroundTextureBuffer.Cache, baseDestinationIndex, textureBufferLength);
}
else
{
Array.Clear(mainTextureBuffer.Cache, baseDestinationIndex, textureBufferLength);
Array.Clear(mainTextureBuffer.Cache, baseDestinationIndex + textureBufferL1baseOffset, textureBufferLength);
Array.Clear(foregroundTextureBuffer.Cache, baseDestinationIndex, textureBufferLength);
}
}
mainTextureBuffer.Apply();
foregroundTextureBuffer.Apply();
}
private static void ApplyBufferUpdates()
{
vertexBuffer.Apply();
textureBuffer.Apply();
colorBuffer.Apply();
}