public StateChangedEventArgs(Core.State oldState,
Core.Move move,
Core.State newState,
bool isUndo = false)
{
OldState = oldState;
Move = move;
NewState = newState;
IsUndo = isUndo;
}
public void ApplyMove(Core.Move move)
{
var oldState = CurrentState;
var newState = oldState.ApplyMove(move);
redoStack.Clear();
redoMoves.Clear();
if (undoStack.Count == maxUndoStackSize)
{
undoStack.RemoveFirst();
}
undoStack.AddLast(oldState);
moves.AddLast(move);
CurrentState = newState;
OnStateChanged(oldState, move, newState);
}
private void OnStateChanged(Core.State oldState,
Core.Move move,
Core.State newState,
bool isUndo = false)
{
if (StateChanged != null)
{
StateChanged(this, new StateChangedEventArgs(
oldState, move, newState, isUndo));
}
NotifyPropertyChanged("MoveCount");
if (oldState != null && newState != null && PuzzleSolved != null)
{
if (!oldState.IsWinning && newState.IsWinning)
{
PuzzleSolved(this, new EventArgs());
}
}
}
public bool ValidateMove(Core.Move move)
{
return(CurrentState.ValidateMove(move));
}
