minor changes to floorplan

fixed some compile issues
worked on nav-meshes
added some tests

synthetic/SyntheticPath.h

@@ -111,6 +111,10 @@ public:
 		return Base::get(distance);
 	}
 
+	bool doneAtDistance(const float distance) const {
+		return Base::getMaxKey() < distance;
+	}
+
 	/** at the given distance: are we walking on a plain surface or up/down? */
 	bool isPlain(const float distance) const {
 		const Point3 pos1 = getPosAfterDistance(distance);