private string Postfix(string prefix)
{
var result = new StringBuilder(prefix);
result.Append(TurnDirectionUtil.GetChar(Turn));
return(result.ToString());
}
public static Tile MakeTile(Board board, string tileString, int x, int y)
{
Tile result;
// the first character is the Concrete Tile
switch (tileString[0])
{
case 'F':
result = new Floor(board, x, y);
break;
case 'P':
result = new Pit(board, x, y);
break;
default:
return(null);
}
//All following characters are Decorator Tiles
var i = 1;
while (i < tileString.Length)
{
int number;
var turnString = "12345";
switch (tileString[i])
{
case 'C': // Conveyor Belt
result = new ConveyorBelt(board, result, TileDirectionUtil.Get(tileString[++i]),
TurnDirectionUtil.Get(tileString[++i]), x, y);
break;
case 'E': // Express Conveyor Belt
result = new ExpressConveyorBelt(board, result, TileDirectionUtil.Get(tileString[++i]),
TurnDirectionUtil.Get(tileString[++i]), x, y);
break;
case 'F': // Flag
number = Convert.ToInt32(tileString[++i].ToString());
if (number >= 1 && number <= 8)
{
result = new Flag(board, result, number, x, y);
}
break;
case 'G': // Gear
result = new Gear(board, result, TurnDirectionUtil.Get(tileString[++i]), x, y);
break;
case 'L': // Laser
number = Convert.ToInt32(tileString[++i].ToString());
if (number >= 1 && number <= 3)
{
result = new Laser(board, result, number, x, y);
}
break;
case 'P': // Pusher
var turns = new bool[5];
var direction = TileDirectionUtil.Get(tileString[++i]);
while (i < tileString.Length - 1 && turnString.Contains(tileString[i + 1].ToString()))
{
turns[Convert.ToInt32(tileString[++i].ToString()) - 1] = true;
}
result = new Pusher(board, result, direction, turns, x, y);
break;
case 'R': // Repair
result = new Repair(board, result, x, y);
break;
case 'S': // Spawnpoint
number = Convert.ToInt32(tileString[++i].ToString());
if (number >= 1 && number <= 8)
{
result = new SpawnPoint(board, result, number, x, y);
}
break;
case 'W': // Wall
result = new Wall(board, result, TileDirectionUtil.Get(tileString[++i]), x, y);
break;
}
i++;
}
return(result);
}