public string ToString(ILevelFormat format)
{
var data = new char[Height][];
for (var y = 0; y < Height; y++)
{
data[y] = new char[Width];
}
foreach (var target in Targets)
{
data[target.Item2][target.Item1] = format.Target;
}
foreach (var wall in Walls)
{
data[wall.Item2][wall.Item1] = format.Wall;
}
foreach (var crate in Crates)
{
if (data[crate.Y][crate.X] == format.Target)
{
var extendedFormat = format as IExtendedLevelFormat;
if (extendedFormat == null)
{
throw new InvalidOperationException("Cannot transform Level to string without extended format.");
}
data[crate.Y][crate.X] = extendedFormat.CrateOverTarget;
}
else
{
data[crate.Y][crate.X] = format.Crate;
}
}
if (data[PlayerY][PlayerX] == format.Target)
{
var extendedFormat = format as IExtendedLevelFormat;
if (extendedFormat == null)
{
throw new InvalidOperationException("Cannot transform Level to string without extended format.");
}
data[PlayerY][PlayerX] = extendedFormat.PlayerOverTarget;
}
else
{
data[PlayerY][PlayerX] = format.Player;
}
var sb = new StringBuilder((Width + Environment.NewLine.Length) * Height);
for (var y = 0; y < Height; y++)
{
sb.AppendLine(new string(data[y].Select(@char => @char == '\0' ? format.Empty : @char).ToArray()));
}
return(sb.ToString().Trim());
}
public LevelCreator(ILevelFormat levelFormat = null)
{
_levelFormat = levelFormat ?? new LevelFormat();
}