71 lines
2.1 KiB
GDScript
71 lines
2.1 KiB
GDScript
extends Node
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class_name State
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@export var state_id: StringName = &""
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@export var next_state_id: StringName
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@export var random_next_state_ids: Array[StringName] = []
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@export var animation_name: String
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@export var blend_time: float = 0.2
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@export var exit_on_action_finished: bool
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@export var exit_on_animation_finished: bool
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@export var min_wait_time: float = 3.0
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@export var max_wait_time: float = 10
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var runtime_timer: Timer
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@onready var agent: AIBase = owner
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signal transitioned(state: State, new_state_id: StringName)
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func _ready() -> void:
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if min_wait_time > 0 and !exit_on_action_finished:
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runtime_timer = Timer.new()
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runtime_timer.name = "IdleTimer"
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runtime_timer.one_shot = true
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add_child(runtime_timer)
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runtime_timer.timeout.connect(_on_timer_timeout)
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func enter() -> void:
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if exit_on_animation_finished:
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if not agent.anim_player.animation_finished.is_connected(_on_animation_finished):
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agent.anim_player.animation_finished.connect(_on_animation_finished)
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elif min_wait_time > 0 and !exit_on_action_finished:
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var wait_time:= randf_range(min_wait_time, max_wait_time)
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runtime_timer.start(wait_time)
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func exit() -> void:
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if exit_on_animation_finished and agent.anim_player.animation_finished.is_connected(_on_animation_finished):
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agent.anim_player.animation_finished.disconnect(_on_animation_finished)
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if runtime_timer and not runtime_timer.is_stopped():
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runtime_timer.stop()
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func update(_delta: float) -> void:
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pass
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func physics_update(_delta: float) -> void:
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pass
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func run_animation() -> void:
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if agent.anim_player and agent.anim_player.has_animation(animation_name):
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agent.anim_player.play(animation_name, blend_time)
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func _on_animation_finished(anim_name: StringName) -> void:
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if animation_name == anim_name:
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if exit_on_action_finished:
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return
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elif min_wait_time > 0:
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var wait_time := randf_range(min_wait_time, max_wait_time)
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runtime_timer.start(wait_time)
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else:
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transitioned.emit(self, get_next_state())
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func _on_timer_timeout() -> void:
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transitioned.emit(self, get_next_state())
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func get_next_state() -> StringName:
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if random_next_state_ids.size() > 0:
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return random_next_state_ids.pick_random()
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return next_state_id
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