public static void Redo(MementoOriginator chess, int i)
{
System.Console.WriteLine("**************撤销悔棋*************");
index++;
chess.Restore(mc.GetMementoByIndex(i + 1));
System.Console.WriteLine($"Chess {chess.Label}'s current position : Rows[{chess.X}], Columns[{chess.Y}].");
}
static void Main(string[] args)
{
// 1. Chessman - one time restore
{
/*
* MementoCaretaker careTaker = new MementoCaretaker();
* MementoOriginator chess = new MementoOriginator("车",1,1);
* Display(chess);
* careTaker.SetMemento(chess.Save());
* chess.Y=4;
* Display(chess);
* careTaker.SetMemento(chess.Save());
* Display(chess);
* chess.X=5;
* Display(chess);
* System.Console.WriteLine("**************悔棋*************");
* chess.Restore(careTaker.GetMemento());
* Display(chess);
*/
}
// 2. Chessman - more than one time to restore
{
MementoOriginator chess = new MementoOriginator("车", 1, 1);
Play(chess);
chess.Y = 4;
Play(chess);
chess.X = 5;
Play(chess);
Undo(chess, index);
Undo(chess, index);
Redo(chess, index);
Redo(chess, index);
}
// 3.Stack to restore
// 4. RPG game
// if player died, can reborm from one restore point
Console.ReadLine();
}
public static void Play(MementoOriginator chess)
{
mc.SetMementoToList(chess.Save());
index++;
System.Console.WriteLine($"Chess {chess.Label}'s current position : Rows[{chess.X}], Columns[{chess.Y}].");
}
public static void Display(MementoOriginator chess)
{
System.Console.WriteLine($"Chess {chess.Label}'s current position : Rows[{chess.X}], Columns[{chess.Y}].");
}
