31 lines
734 B
GDScript3
31 lines
734 B
GDScript3
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extends Node3D
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## 角色状态机
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class_name StateMachine
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## 默认状态
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@export var current_state: StateBase
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func _ready() -> void:
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##StateMachine中的所有子节点
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for child in get_children():
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if child is StateBase:
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child.state_machine = self
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await get_parent().ready
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current_state.enter()
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func _process(delta: float) -> void:
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current_state.process_update(delta)
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## 修改状态 对每一种状态拆分编写
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func change_state(target_state_name: String) -> void:
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var target_state = get_node_or_null(target_state_name)
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if target_state == null:
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printerr("状态传入错误")
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return
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##退出当前状态
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current_state.exit()
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##切换为目标状态
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current_state = target_state
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current_state.enter()
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