/// <summary>Clears and the reloads all the Tiles contained in the control.</summary>
private void RegenerateTiles()
{
this.Children.Clear();
for (int x = -1; x < _columns; ++x)
{
for (int y = -1; y < _rows; ++y)
{
Tile tile = _mapControlFactory.GetTile(this.Zoom, this.LeftTile + x, this.TopTile + y);
tile.Column = x;
tile.Row = y;
Canvas.SetLeft(tile, _mapControlFactory.TileGenerator.TileSize * x);
Canvas.SetTop(tile, _mapControlFactory.TileGenerator.TileSize * y);
this.Children.Add(tile);
}
}
_baseTile = (Tile)this.Children[0];
}
/// <summary>Repositions the Tiles after any changes.</summary>
/// <param name="changeTile">Called on every Tile to allow changes to be made to its position.</param>
private void ChangeTiles(Action<Tile> changeTile)
{
_baseTile = (Tile)this.Children[0]; // We need something to compare to so set it to the first.
for (int i = 0; i < this.Children.Count; ++i)
{
Tile tile = (Tile)this.Children[i];
changeTile(tile);
Canvas.SetLeft(tile, _mapControlFactory.TileGenerator.TileSize * tile.Column);
Canvas.SetTop(tile, _mapControlFactory.TileGenerator.TileSize * tile.Row);
if (tile.TileX <= _baseTile.TileX && tile.TileY <= _baseTile.TileY) // Find the upper left tile
{
_baseTile = tile;
}
}
}