private BitStream Encode(Puzzle puzzle)
{
var norm = StaticAnalysis.RemoveOuter(StaticAnalysis.Normalise(puzzle));
var bs = new BitStream();
foreach (var cell in RunLength.Encode(norm.ForEachTile(), this))
{
var s = cell.Item1.Cell;
if (s == puzzle.Definition.Void ||
s == puzzle.Definition.Wall)
{
EncodeItem(cell, Control.None, bs);
}
if (s == puzzle.Definition.Floor)
{
EncodeItem(cell, Control.Floor, bs);
}
if (s == puzzle.Definition.Goal)
{
bs.AddRange(BitStream.Encode(Control.Goal));
}
if (s == puzzle.Definition.Crate)
{
bs.AddRange(BitStream.Encode(Control.Crate));
}
if (s == puzzle.Definition.CrateGoal)
{
bs.AddRange(BitStream.Encode(Control.CrateGoal));
}
if (s == puzzle.Definition.Player)
{
bs.AddRange(BitStream.Encode(Control.Player));
}
if (s == puzzle.Definition.PlayerGoal)
{
bs.AddRange(BitStream.Encode(Control.PlayerGoal));
}
}
bs.AddRange(BitStream.Encode(Control.End));
return(bs);
}
