Merge pull request #43 from patrickdown/update-t5manager_with-version…

…-=check

This updates T5Interface and T5Manager with the version check

example/addons/tiltfive/T5Interface.gd

@@ -57,9 +57,11 @@ func _enter_tree():
 
 		XRServer.add_interface(tilt_five_xr_interface)
 		tilt_five_xr_interface.glasses_event.connect(_on_glasses_event)
+		tilt_five_xr_interface.service_event.connect(_on_service_event)
 
 func _exit_tree():
 	if tilt_five_xr_interface:
+		tilt_five_xr_interface.service_event.disconnect(_on_service_event)
 		tilt_five_xr_interface.glasses_event.disconnect(_on_glasses_event)
 		if tilt_five_xr_interface.is_initialized():
 			tilt_five_xr_interface.uninitialize()
@@ -93,6 +95,17 @@ func _process_glasses():
 			glasses_state.attempting_to_reserve = true
 			tilt_five_xr_interface.reserve_glasses(glasses_id, t5_manager.get_glasses_display_name(glasses_id))
 
+func _on_service_event(event_num):
+	match event_num:
+		TiltFiveXRInterface.E_SERVICE_RUNNING:
+			t5_manager.service_started()
+		TiltFiveXRInterface.E_SERVICE_STOPPED:
+			t5_manager.service_stopped()
+		TiltFiveXRInterface.E_SERVICE_T5_UNAVAILABLE:
+			t5_manager.service_unvailable()
+		TiltFiveXRInterface.E_SERVICE_T5_INCOMPATIBLE_VERSION:
+			t5_manager.service_incorrect_version()
+
 func _on_glasses_event(glasses_id, event_num):
 	var glasses_state = glasses_dict.get(glasses_id) as GlassesState
 	if not glasses_state:

example/addons/tiltfive/T5ManagerBase.gd

@@ -24,6 +24,24 @@ func _enter_tree():
 func _exit_tree():
 	T5Interface.t5_manager = null
 
+## Invoked by T5Interface when the Tilt Five service has started
+func service_started():
+	pass
+
+## Invoked by T5Interface when the Tilt Five service has stopped
+func service_stopped():
+	pass
+
+## Invoked by T5Interface when the Tilt Five service is not available
+## The driver might not be installed
+func service_unvailable():
+	pass
+
+## Invoked by T5Interface when the Tilt Five service installed does
+## not meet the minimum version requirements
+func service_incorrect_version():
+	pass
+
 ## Invoked by the T5Interface to find out if the glasses should be used in
 ## game
 func should_use_glasses(glasses_id : String) -> bool: