34 lines
822 B
GDScript
34 lines
822 B
GDScript
class_name StateMachine
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extends Node
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@export var CURRENT_STATE: State
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var states: Dictionary = {}
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func _ready():
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for child in get_children():
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if child is State:
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states[child.name] = child
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##child.transition.connect(on_child_transition)
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else:
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push_warning("incompatible child in state machine")
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CURRENT_STATE.enter()
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## Does update need the delta? Godot claims update does not accept any arguments
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func _process(_delta):
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CURRENT_STATE.update()
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func _physics_process(delta):
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CURRENT_STATE.physics_update(delta)
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func on_child_transition(new_state_name: StringName) -> void:
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var new_state = states.get(new_state_name)
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if new_state != null:
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if new_state != CURRENT_STATE:
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CURRENT_STATE.exit()
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new_state.enter()
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CURRENT_STATE = new_state
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else:
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push_warning("State does not exist")
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