minor changes to floorplan

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

floorplan/v2/Floorplan.h

@@ -130,6 +130,10 @@ namespace Floorplan {
 			default: throw Exception("out of bounds");
 			}
 		}
+		/** same z-value for all points? */
+		bool isLeveled() const {
+			return (p1.z == p2.z) && (p2.z == p3.z) && (p3.z == p4.z);
+		}
 	};
 
 	/** additional type-info for obstacles */
@@ -202,6 +206,7 @@ namespace Floorplan {
 	/** describes one floor within the map, starting at a given height */
 	struct Floor {
 
+		bool enabled = true;
 		float atHeight;							// the floor's starting height
 		float height;							// the floor's total height (from start)
 		std::string name;						// the floor's name