Method made static and moved to manager.

src/engine/gameManager/BuildingManager.java

@@ -28,6 +28,8 @@ import engine.objects.*;
 import engine.server.MBServerStatics;
 import org.pmw.tinylog.Logger;
 
+import java.awt.geom.Area;
+import java.awt.geom.Path2D;
 import java.time.LocalDateTime;
 import java.time.ZoneId;
 import java.util.ArrayList;
@@ -962,4 +964,31 @@ public enum BuildingManager {
         return null;
     }
 
+    public static void bakeNavMesh(Building building) {
+
+        // Build up navmesh by stencil of the
+        // prop's convex hull
+
+        ArrayList<ArrayList<Vector2f>> convexHullList;
+        convexHullList = _hull_data.get(building.meshUUID);
+
+        for (ArrayList<Vector2f> meshEntry : convexHullList) {
+
+            Path2D.Float stencil = new Path2D.Float();
+
+            for (Vector2f vertex : meshEntry)
+                stencil.moveTo(vertex.x, vertex.y);
+
+            // enclose polygon
+
+            stencil.moveTo(meshEntry.get(0).x, meshEntry.get(0).y);
+
+            Area stencilArea = new Area(stencil);
+            building.parentZone.navMesh.subtract(stencilArea);
+        }
+
+        //add in all the regions to the navMesh
+        for (Regions region : building.getBounds().getRegions())
+            building.parentZone.navMesh.add(region.getArea());
+    }
 }