Vast improvements and a working finite state machine, working on new guild member registration.

fsm/machines/newbie.gd

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+extends StateMachine
+
+
+func advance_state() -> void:
+	var last_state = curr_state
+	var args : Array = [actor]
+	exit_state(curr_state)
+	match(last_state.name):
+		"Wait":
+			if last_state.next_state != "":
+				if !states.has(last_state.next_state):
+					printerr("Tried to switch to missing state %s" % last_state.next_state)
+					pass
+				enter_state(states[last_state.next_state])
+				args.append_array(last_state.next_state_args)
+			else:
+				pass
+		"Queue":
+			enter_state(states["Wait"])
+			args.append_array(["busy", "Register"])
+		"Register":
+			enter_state(states["Register"])
+		"Leave":
+			enter_state(states["Leave"])
+	
+	if curr_state != null:
+		curr_state.execute.callv(args)

fsm/machines/newbie.gd.uid

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+uid://dthatmb3if73u

fsm/machines/receptionist.gd

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+extends StateMachine
+
+
+func advance_state() -> void:
+	var last_state = curr_state
+	var args : Array = [actor]
+	exit_state(curr_state)
+	match(last_state.name):
+		"Wait":
+			if last_state.next_state != "":
+				if !states.has(last_state.next_state):
+					printerr("Tried to switch to missing state %s" % last_state.next_state)
+					pass
+				enter_state(states[last_state.next_state])
+				args.append_array(last_state.next_state_args)
+			else:
+				pass
+		"Advance Queue":
+			enter_state(states["Wait"])
+			args.append_array(["", "Advance Queue"])
+	
+	if curr_state != null:
+		curr_state.execute.callv(args)

fsm/machines/receptionist.gd.uid

@@ -0,0 +1 @@
+uid://cggu0yihq0unt

fsm/machines/state_machine.gd

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+class_name StateMachine extends Node
+
+@export var starting_state : String = ""
+var states : Dictionary[String, StateNode] = {}
+var curr_state : StateNode = null
+var actor = null
+func _ready() -> void:
+	for child in get_children():
+		if child is StateNode:
+			states[child.name] = child
+			child.state_machine = self
+			child.completed.connect(_on_state_completed)
+	
+	
+func start() -> void:
+	if starting_state != "":
+		var state : StateNode = states.get(starting_state)
+		if state == null:
+			printerr("Starting state not found! Expected %s" % [starting_state])
+		else:
+			enter_state(state)
+			curr_state.execute(actor)
+
+func exit_state(state : StateNode) -> void:
+	curr_state.exit()
+	curr_state = null
+	pass
+
+func enter_state(state : StateNode) -> void:
+	curr_state = state
+	curr_state.enter()
+	pass
+
+
+func advance_state() -> void:
+	pass
+
+
+func _on_state_completed(state : StateNode) -> void:
+	if state == curr_state:
+		advance_state()
+	else:
+		printerr("Wrong state completed! %s when expecting %s" % [state.name, curr_state])

fsm/machines/state_machine.gd.uid

@@ -0,0 +1 @@
+uid://u81fhi8157bg

fsm/machines/test.gd

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+extends StateMachine
+
+func advance_state() -> void:
+	var last_state = curr_state
+	var args : Array = [actor]
+	exit_state(curr_state)
+	match(last_state.name):
+		"Wait":
+			if last_state.next_state != "":
+				if !states.has(last_state.next_state):
+					printerr("Tried to switch to missing state %s" % last_state.next_state)
+					pass
+				enter_state(states[last_state.next_state])
+				args.append_array(last_state.next_state_args)
+			else:
+				pass
+		"Test":
+			enter_state(states["Wait"])
+			args.append_array(["busy", "Test"])
+	
+	if curr_state != null:
+		curr_state.execute.callv(args)

fsm/machines/test.gd.uid

@@ -0,0 +1 @@
+uid://djd8pv5xbgud3