DrawTile(short[] pixelLookupTable,
DisplayDefinition disDef, uint[] bitmapData, uint[] pixelBuffer,
int stride, byte[] tileData,
int pX, int pY, int maxPx, int maxPy)
{
// We iterate for the actual bytes
for (int j = 0; j < tileData.Length; j += 2)
{
int pixelY = pY + (j / 2);
if (pixelY < 0)
{
continue;
}
if (pixelY >= maxPy)
{
break;
} // We can continue no further
int index = pixelY * stride; // Only add every 2 bytes
DisFuncs.GetPixelsFromTileBytes(pixelLookupTable,
ref pixelBuffer,
disDef.TilePallete,
disDef.PixelPerTileX,
tileData[j], tileData[j + 1]);
for (int i = 0; i < 8; i++)
{
int pixelX = pX + i;
if (pixelX < 0)
{
continue;
}
if (pixelX >= maxPx)
{
break;
}
int pIndex = index + pixelX;
bitmapData[pIndex] = pixelBuffer[i];
}
}
}
