Some changes to navmesh path finding, disabled waypoint nav interface for now, might keep it disabled (i don't think anyones using it anyway) added a rule that might need some fine tuning for navmesh pathfinding

zone/pathfinder_nav_mesh.h

@@ -2,6 +2,7 @@
 
 #include "pathfinder_interface.h"
 #include <string>
+#include <DetourNavMesh.h>
 
 class PathfinderNavmesh : public IPathfinder
 {
@@ -10,6 +11,7 @@ public:
 	virtual ~PathfinderNavmesh();
 
 	virtual IPath FindRoute(const glm::vec3 &start, const glm::vec3 &end, bool &partial, bool &stuck, int flags = PathingNotDisabled);
+	virtual IPath FindPath(const glm::vec3 &start, const glm::vec3 &end, bool &partial, bool &stuck, const PathfinderOptions& opts);
 	virtual glm::vec3 GetRandomLocation(const glm::vec3 &start);
 	virtual void DebugCommand(Client *c, const Seperator *sep);
 
@@ -17,6 +19,8 @@ private:
 	void Clear();
 	void Load(const std::string &path);
 	void ShowPath(Client *c, const glm::vec3 &start, const glm::vec3 &end);
+	dtStatus GetPolyHeightNoConnections(dtPolyRef ref, const float *pos, float *height) const;
+	dtStatus GetPolyHeightOnPath(const dtPolyRef *path, const int path_len, const glm::vec3 &pos, float *h) const;
 
 	struct Implementation;
 	std::unique_ptr<Implementation> m_impl;