private static void DrawInBitmap1DMapping(this OAMEntry oam, Bitmap bm, GraphicsBank graphics, int xOffset, int yOffset)
{
for (uint tileY = 0; tileY < oam.TilesY; ++tileY)
{
for (uint tileX = 0; tileX < oam.TilesX; ++tileX)
{
uint tileIndex = oam.TileIndex;
tileIndex += tileX + oam.TilesX * tileY;
var tile = graphics.Tiles[tileIndex];
oam.DrawInBitmap(bm, tile, tileX, tileY, xOffset, yOffset);
}
}
}
public static void DrawInBitmap2DMapping(this OAMEntry oam, Bitmap bm, GraphicsBank graphics, int xOffset, int yOffset)
{
uint baseX = oam.TileIndex % graphics.TilesX;
uint baseY = oam.TileIndex / graphics.TilesX;
uint subTileWidth = (graphics.TilesX == 0xFFFF) ? oam.TilesX : graphics.TilesX;
for (uint tileY = 0; tileY < oam.TilesY; ++tileY)
{
for (uint tileX = 0; tileX < oam.TilesX; ++tileX)
{
uint subTileYIndex = baseY + tileY;
uint subTileXIndex = baseX + tileX;
uint tileIndex = subTileXIndex + subTileYIndex * subTileWidth;
var tile = graphics.Tiles[tileIndex];
oam.DrawInBitmap(bm, tile, tileX, tileY, xOffset, yOffset);
}
}
}