From 85c617e5c7109bf9979c769484b89340881c0405 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Manuel=20V=C3=B6gele?= <develop@manuel-voegele.de>
Date: Tue, 6 May 2014 21:57:55 +0200
Subject: [PATCH] Wegfindungs-Dll wird jetzt zu 100% korrekt eingebunden

---
 src/Pathfinder.cs | 24 ++++++++++--------------
 1 file changed, 10 insertions(+), 14 deletions(-)

diff --git a/src/Pathfinder.cs b/src/Pathfinder.cs
index f8b7fda..6414261 100644
--- a/src/Pathfinder.cs
+++ b/src/Pathfinder.cs
@@ -14,7 +14,7 @@ namespace WorldOfPeacecraft
 			public uint Y;
 		}
 
-		public static LinkedList<Coordinate> FindPath (Coordinate posFrom, Coordinate posTo, ITile[,] map)
+		public static unsafe LinkedList<Coordinate> FindPath (Coordinate posFrom, Coordinate posTo, ITile[,] map)
 		{
 			PathNode nFrom;
 			nFrom.X = (uint) posFrom.X;
@@ -24,17 +24,13 @@ namespace WorldOfPeacecraft
 			nTo.Y = (uint) posTo.Y;
 			uint mapWidth = (uint) map.GetLength (0);
 			uint mapHeight = (uint) map.GetLength (1);
-			bool[] boolMap = new bool[mapHeight * mapWidth];
+			bool* boolMap = stackalloc bool[(int)(mapWidth * mapHeight)];
 			for (int y = 0; y < mapHeight; y++) {
 				for (int x = 0; x < mapWidth; x++) {
 					boolMap [x + y * mapWidth] = map [x, y].IsWalkable ();
 				}
 			}
-			PathNode[] result = new PathNode[mapHeight * mapWidth];
-			for (int i = 0;i < result.Length;i++)
-			{
-				result[i] = new PathNode();
-			}
+			PathNode* result = stackalloc PathNode[(int) (mapHeight * mapWidth)];
 			uint noSteps = findPath (nFrom, nTo, mapWidth, mapHeight, boolMap, result);
 			LinkedList<Coordinate> mappedResult = new LinkedList<Coordinate>();
 			for (int i = 0; i < noSteps; i++) {
@@ -45,12 +41,12 @@ namespace WorldOfPeacecraft
 
 		[DllImport("pathfinding")]
 		[return: MarshalAs(UnmanagedType.U4)]
-		private static extern uint findPath(
-			                                    PathNode posFrom,
-			                                    PathNode posTo,
-			[MarshalAs(UnmanagedType.U4)]       uint mapWidth,
-			[MarshalAs(UnmanagedType.U4)]       uint mapHeight,
-			[MarshalAs(UnmanagedType.LPArray)]  bool[] map,
-			[MarshalAs(UnmanagedType.LPArray)]  PathNode[] result);
+		private static extern unsafe uint findPath(
+			                               PathNode posFrom,
+			                               PathNode posTo,
+			[MarshalAs(UnmanagedType.U4)]  uint mapWidth,
+			[MarshalAs(UnmanagedType.U4)]  uint mapHeight,
+			                               bool* map,
+			                               PathNode* result);
 	}
 }