public MapTile(Int32 level, Int32 row, Int32 column, Tile tile)
{
Level = level;
Row = row;
Column = column;
Tile = tile;
}
private void ConstructTiles(OriginalImage source, TileType tileType)
{
Tiles = new ObservableCollection<Tile>();
//break it down into x-number pixel square tiles
for (var tileRow = 0; tileRow < source.Height / Constants.TILE_PIXELS; tileRow++)
{
for (var tileColumn = 0; tileColumn < Constants.UNMANAGED_TILE_PIXEL_WIDTH / Constants.TILE_PIXELS; tileColumn++)
{
//we want to go one frame at a time
var tile = new Tile() { Type = tileType };
for (var frame = 0; frame * Constants.UNMANAGED_TILE_PIXEL_WIDTH < source.Width; frame++)
{
var tileFrame = new TileFrame();
var newBytes = new List<Byte>();
for (var row = 0; row < Constants.TILE_PIXELS; row++)
{
//for each row of this tile, grab the pixels from imagebytes
var totalRowOffset = tileRow * Constants.TILE_PIXELS + row;
var totalColumnOffset = Constants.UNMANAGED_TILE_PIXEL_WIDTH * frame + tileColumn * Constants.TILE_PIXELS;
var offset = source.CalculateImageByteArrayOffset(totalRowOffset, totalColumnOffset);
newBytes.AddRange(source.ImageBytes.Skip(offset).Take(4 * Constants.TILE_PIXELS)); //4 bytes per tile
}
tileFrame.SetSource(Constants.TILE_PIXELS, Constants.TILE_PIXELS, newBytes.ToArray());
tile.Frames.Add(tileFrame);
}
Tiles.Add(tile);
}
}
}
public void LayTileOver(Tile tile)
{
if (Frames.Count < tile.Frames.Count)
{
//the base tile isn't animated, but the layover is
//we need to clone the base tile frames
while (Frames.Count != tile.Frames.Count)
{
Frames.Add(Frames[0].Clone());
}
}
//the base tile has the same or more frames than the layover
for (Int32 frameIndex = 0; frameIndex < Frames.Count; frameIndex++)
{
Frames[frameIndex].LayFrameOver(tile.Frames[frameIndex % tile.Frames.Count]);
}
//also, overwrite the navigation modes, so whatever is on 'top' wins
NavigationModes = tile.NavigationModes;
}
public Tile Clone()
{
Tile clone = new Tile
{
Tags = new ObservableCollection<String>(Tags),
NavigationModes = new ObservableCollection<NavigationMode>(NavigationModes),
Frames = new ObservableCollection<TileFrame>(Frames.Select(x => x.Clone())),
Id = Id
};
return clone;
}
