Recast & Detour UI:

* Panels showed up even if in non game engine mode, polls were missing!

release/scripts/startup/bl_ui/properties_game.py

@@ -398,6 +398,11 @@ class SCENE_PT_game_navmesh(SceneButtonsPanel, bpy.types.Panel):
     bl_default_closed = True
     COMPAT_ENGINES = {'BLENDER_GAME'}
     
+    @classmethod
+    def poll(cls, context):
+        scene = context.scene
+        return (scene and scene.render.engine in cls.COMPAT_ENGINES)
+
     def draw(self, context):
         layout = self.layout
 
@@ -573,6 +578,11 @@ class WORLD_PT_game_physics_obstacles(WorldButtonsPanel, Panel):
     bl_label = "Obstacle simulation"
     COMPAT_ENGINES = {'BLENDER_GAME'}
     
+    @classmethod
+    def poll(cls, context):
+        scene = context.scene
+        return (scene.world and scene.render.engine in cls.COMPAT_ENGINES)
+
     def draw(self, context):
         layout = self.layout