public int AddLayer(LayerLayout layout, Bitmap tilesBitmap, Bitmap wrapBitmap)
{
int index = _Layers.Count;
if (index >= 32)
{
throw new InvalidOperationException("Too many layers.");
}
int mask = 1 << index;
_Layers.Add(new Layer(mask, layout, tilesBitmap, wrapBitmap));
return(mask);
}
public Layer(int mask, LayerLayout layout, Bitmap tilesBitmap, Bitmap wrapBitmap)
{
Mask = mask;
ConnectionsMask = mask;
Layout = layout;
TilesBitmap = tilesBitmap;
WrapBitmap = wrapBitmap;
for (int i = 0; i < _CodeToTileCoords.Length; ++i)
{
_CodeToTileCoords[i] = new List <Point>();
}
if (Layout == LayerLayout.Sides)
{
BitmapTileSize = TilesBitmap.Height / _SidesLayoutHeight;
if (TilesBitmap.Height != _SidesLayoutHeight * BitmapTileSize || TilesBitmap.Width % (_SidesLayoutWidth * BitmapTileSize) != 0)
{
throw new InvalidOperationException("Invalid size of tiles bitmap.");
}
for (int y = 0; y < _SidesLayoutHeight; ++y)
{
for (int x = 0; x < TilesBitmap.Width / BitmapTileSize; ++x)
{
int code = _SidesLayout[(x % _SidesLayoutWidth) + y * _SidesLayoutWidth];
_CodeToTileCoords[code].Add(new Point(x, y));
}
}
}
else
{
BitmapTileSize = TilesBitmap.Height / _CornersLayoutHeight;
if (TilesBitmap.Height != _CornersLayoutHeight * BitmapTileSize || TilesBitmap.Width % (_CornersLayoutWidth * BitmapTileSize) != 0)
{
throw new InvalidOperationException("Invalid size of tiles bitmap.");
}
for (int y = 0; y < _CornersLayoutHeight; ++y)
{
for (int x = 0; x < TilesBitmap.Width / BitmapTileSize; ++x)
{
int code = _CornersLayout[(x % _CornersLayoutWidth) + y * _CornersLayoutWidth];
_CodeToTileCoords[code].Add(new Point(x, y));
}
}
}
}
