static aRGBA[] loadCMPR(aBinaryReader reader, int width, int height)
{
var data = new aRGBA[width * height];
const int cTileWidth = 8, cTileHeight = 8;
const int cBlockWidth = 4, cBlockHeight = 4;
for (var y = 0; y < height; y += cTileHeight) // tile
{
for (var x = 0; x < width; x += cTileWidth)
{
for (var by = 0; by < cTileHeight; by += cBlockHeight) // block
{
for (var bx = 0; bx < cTileWidth; bx += cBlockWidth)
{
var colors = aRGBA.FromST3C1(reader.Read64());
for (var ty = 0; ty < cBlockHeight && y + by + ty < height; ty++) // texel
{
for (var tx = 0; tx < cBlockWidth && x + bx + tx < width; tx++)
{
data[width * (y + by + ty) + (x + bx + tx)] = colors[(ty * cBlockWidth) + tx];
}
}
}
}
}
}
return(data);
}