{

public class FileHandler

{

/// <summary>

/// Format

/// Header:Position.X:Y:#Tiles:Tiles[]:imagepath

/// </summary>

const string Header = "NdNdv1";

public static Room Load(string filename)

{

Room newRoom;

if (!File.Exists(filename)) return null;

using (var stream = File.Open(filename, FileMode.Open))

using (var reader = new BinaryReader(stream, Encoding.UTF8))

{

var hd = Encoding.UTF8.GetBytes(Header);

var buffer = new byte[hd.Length];

reader.Read(buffer, 0, buffer.Length);

var readHeader = Encoding.UTF8.GetString(buffer);

if (readHeader != Header) return null;

//writer.Write(hd, 0, hd.Length);

var posX = reader.ReadDouble();

//writer.Write(room.Position.X);

var posY = reader.ReadDouble();

// writer.Write(room.Position.Y);

var tilesLength = reader.ReadInt32();

//writer.Write(room.Tiles.Length);

newRoom = new Room(new Point(posX, posY))

{

Tiles = new Tile[tilesLength]

};

for (var i = 0; i < tilesLength; i++)

{

var tt = (TileTypes)reader.ReadInt32();

newRoom.Tiles[i] = new Tile() { TileType = tt };

}

}

return newRoom;

}

public static bool Save(Room room, string filename)

{

using (var stream = File.Open(filename, FileMode.Create))

using (var writer = new BinaryWriter(stream, Encoding.UTF8))

{

var hd = Encoding.UTF8.GetBytes(Header);

writer.Write(hd, 0, hd.Length);

writer.Write(room.Position.X);

writer.Write(room.Position.Y);

writer.Write(room.Tiles.Length);

foreach (var tile in room.Tiles)

{

var tt = (int)tile.TileType;

writer.Write(tt);

}

}

return true;

}

}