Observer-modell

src/Player.cs

@@ -4,6 +4,9 @@ namespace WorldOfPeacecraft
 	{
 		private int Score;
 
+		public delegate void LocationChangedEventHandler (int x, int y);
+		public event LocationChangedEventHandler LocationChanged;
+
 		public Player (int id, int posX, int posY, string desc, bool busy, int score) : base(id, posX, posY, desc, busy)
 		{
 			this.SetScore(score);
@@ -24,6 +27,16 @@ namespace WorldOfPeacecraft
 			return Desc;
 		}
 
+		public override void SetPos (int x, int y)
+		{
+			bool positionChanged = false;
+			if (x != GetX() || y != GetY ())
+				positionChanged = true;
+			base.SetPos (x, y);
+			if (LocationChanged != null)
+				LocationChanged(x, y);
+		}
+
         public override string ToString()
         {
             return "Player: " + Id + " " + Coord.X + " " + Coord.Y + " " + Desc + " " + Busy + " " + Score;