/// <summary>
/// Retrieves a tile at position X and Y.
/// </summary>
/// <param name="x">The X coordinate of the tile to retrieve</param>
/// <param name="y">The Y coordinate of the tile to retrieve</param>
/// <returns>
/// A Terraria.Tile instance of the tile at position X and Y.
/// </returns>
/// <remarks>
/// Virtual function that derivatives must override if they want to implement getting of a tile from
/// its backing store. /// </remarks>
protected virtual Terraria.Tile GetTile(int x, int y)
{
HeapTile tile;
lock (syncRoot)
{
if (lastTile != null && x == lastTile.x && y == lastTile.y)
{
return(lastTile);
}
tile = lastTile = new HeapTile(tileHeap, x, y);
}
return(tile);
}
/// <summary>
/// Sets a tile at position X and Y to the tile instance specified.
/// </summary>
/// <param name="tile">
/// A tile instance in which to store
/// </param>
/// <param name="x">X coordinate of the tile to store</param>
/// <param name="y">Y coordinate of the tile to store</param>
/// <remarks>
/// Virtual function that derivatives must override if they want to implement getting of a tile from
/// its backing store.
/// </remarks>
protected virtual void SetTile(Terraria.Tile tile, int x, int y)
{
HeapTile heapTile = new HeapTile(tileHeap, x, y);
heapTile.CopyFrom(tile);
}
/// <summary>
/// Sets a tile at position X and Y to the tile instance specified.
/// </summary>
/// <param name="tile">
/// A tile instance in which to store
/// </param>
/// <param name="x">X coordinate of the tile to store</param>
/// <param name="y">Y coordinate of the tile to store</param>
/// <remarks>
/// Virtual function that derivatives must override if they want to implement getting of a tile from
/// its backing store.
/// </remarks>
protected virtual void SetTile(Terraria.Tile tile, int x, int y)
{
HeapTile heapTile = new HeapTile(tileHeap, x, y);
heapTile.CopyFrom(tile);
}