Added better perlin terrain generation

Added function to scatter models onto the terrain

Graphics2/TerrainNode.h

@@ -8,7 +8,9 @@
 #include "WICTextureLoader.h"
 #include "SharedMethods.h"
 #include "SceneNode.h"
-
+#include "SceneGraph.h"
+#include "MeshNode.h"
+#include "SplitMeshNode.h"
 
 typedef struct TerrainVertex
 {
@@ -49,6 +51,8 @@ public:
 	void Render(void);
 	void virtual Shutdown(void);
 
+	void PopulateTerrain(SceneGraphPointer currentSceneGraph, vector<TerrainPopNode>& nodesForPop, int xStep, int zStep, float heightLower, float heightUpper, float slopeLower, float slopeUpper);
+
 	float GetHeightAtPoint(float x, float z, bool waterCollide = false);
 	bool CheckXBoundary(float x);
 	bool CheckZBoundary(float z);