Entities werden nun auf die Map gezeichnet

src/Gui/Gui.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Drawing;
 using System.Windows.Forms;
 using System.Runtime.InteropServices;
@@ -54,6 +55,7 @@ namespace WorldOfPeacecraft
 			Graphics g = buffer.Graphics;
 			lock (Backend) {
 				PaintMap (g);
+				PaintEntities (g);
 			}
 			buffer.Render();
 		}
@@ -95,11 +97,34 @@ namespace WorldOfPeacecraft
 			g.FillRectangle(new SolidBrush(color), posx, posy, tileSize, tileSize);
 		}
 
+		public void PaintEntities (Graphics g)
+		{
+			IEnumerable<IPositionable> dragons = Backend.GetDragons ();
+			IEnumerable<IPositionable> players = Backend.GetPlayers ();
+			foreach (IPositionable dragon in dragons) {
+				PaintEntity (g, dragon);
+			}
+			foreach (IPositionable player in players) {
+				PaintEntity (g, player);
+			}
+		}
+
+		public void PaintEntity (Graphics g, IPositionable entity)
+		{
+			int x = entity.GetX () * tileSize + tileSize / 2 - entitySize / 2;
+			int y = entity.GetY () * tileSize + tileSize / 2 - entitySize / 2;
+			g.FillRectangle (new SolidBrush (Color.Red), x, y, entitySize, entitySize);
+			g.DrawRectangle (new Pen( new SolidBrush (Color.Black)), x, y, entitySize, entitySize);
+		}
+
 		public void PerformRefresh ()
 		{
 			this.BeginInvoke(new MethodInvoker(delegate
 			{
 				ITile[,] map = Backend.GetMap();
+				if (map == null) {
+					return;
+				}
 				int mapWidth = (map.GetLength(0)) * tileSize;
 				int mapHeight = (map.GetLength(1)) * tileSize;
 				this.SuspendLayout();

src/Gui/IBackend.cs

@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 
 namespace WorldOfPeacecraft
 {
@@ -5,6 +6,10 @@ namespace WorldOfPeacecraft
 	{
 		ITile[,] GetMap();
 
+		IEnumerable<IPositionable> GetPlayers();
+
+		IEnumerable<IPositionable> GetDragons();
+
 		void Stop();
 	}
 }