Add pathfinding interfaces, still heavily wip

zone/pathfinder_null.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "pathfinder_interface.h"
+
+class PathfinderNull : public IPathfinder
+{
+public:
+	PathfinderNull() { }
+	virtual ~PathfinderNull() { }
+
+	virtual IPath FindRoute(const glm::vec3 &start, const glm::vec3 &end);
+	virtual glm::vec3 GetRandomLocation();
+};