Use scene_init to detect model change

copyMultiplayer.gd

@@ -27,6 +27,9 @@ var accumulative_offset := Vector3( 0.35, 0.0, 0.0)
 #        I don't believe this should be a source of issues.
 
 func _ready() -> void:
+	# FIXME: Hardcoded way to get the main model controller.
+	main_controller = $"/root/SnekStudio_Main/ModelController"
+
 	# FIXME: This is just thrown together. Dunno if this is an accurate list.
 	# TODO: Allow specifying additional bones, with the help of a hierachical list of existing bones in the model.
 	tracked_bones = [ "Hips", "Spine", "Chest", "UpperChest", "Neck", "Head" ]
@@ -46,11 +49,6 @@ func _ready() -> void:
 			for phalange in [ "Proximal", "Intermediate", "Distal" ]:
 				tracked_bones.append("%s%s%s" % [ side, finger, phalange ])
 
-	# FIXME: Hardcoded way to get the main model controller.
-	main_controller = $"/root/SnekStudio_Main/ModelController"
-	main_controller.child_entered_tree.connect(on_model_changed)
-	on_model_changed(main_controller.get_node_or_null("Model"))
-
 	setup_setting_widget("cache"   , "Cache/LineEdit", true )
 	setup_setting_widget("nickname", "Name/LineEdit" , false)
 	setup_setting_widget("address" , "Host/Address"  , true )
@@ -222,13 +220,12 @@ func clear_player_models() -> void:
 func _process(_delta: float) -> void:
 	SyncController.send_model_animation(self)
 
-# Will be called once when the module is initialized, and also when a child is
-# added to the main ModelController, which happens when the model is changed.
-func on_model_changed(model: Node) -> void:
-	if (model == null) or (model.name != "Model"): return
-
-	var skeleton: Skeleton3D = main_controller._get_model_skeleton()
-	if not skeleton: return # Do nothing, I guess? Unsure if potential bug.
+# Called when module is initialized or load_vrm is called.
+func scene_init() -> void:
+	var model    := get_model()
+	var skeleton := get_skeleton()
+	# Do nothing, I guess? Unsure if source of potential bugs.
+	if (not model) or (not skeleton): return
 
 	# This "version" is used to ensure that sync updates
 	# are not applied to the incorrect lookup tables.
@@ -250,11 +247,9 @@ func on_model_changed(model: Node) -> void:
 				blendshape_lookup.append(anim.track_get_path(track_index))
 				continue
 
-	# Wait for one frame, then "_last_loaded_vrm" is updated.
-	await get_tree().process_frame
-	var filename = main_controller._last_loaded_vrm.get_file()
-
-	change_model.rpc(version, bone_lookup, blendshape_lookup, filename)
+	if multiplayer.get_peers().size() > 1:
+		var filename = main_controller._last_loaded_vrm.get_file()
+		change_model.rpc(version, bone_lookup, blendshape_lookup, filename)
 
 
 ## Gets the SyncController for the player with the specified peer id.