refactoring ai and add new animations

core/ai/framework/state.gd

@@ -5,26 +5,53 @@ class_name State
 @export var state_id: StringName = &""
 @export var next_state_id: StringName
 @export var animation_name: String
+@export var exit_on_animation_finished: bool
+@export var wait_time: float = 3.0
+
+var runtime_timer: Timer
 
 @onready var agent: AIBase = owner
 
-@warning_ignore("unused_signal")
 signal transitioned(state: State, new_state_id: StringName)
 
-func enter()  -> void:
+func _ready() -> void:
+	if wait_time > 0:
+		runtime_timer = Timer.new()
+		runtime_timer.name = "IdleTimer"
+		runtime_timer.one_shot = true
+		add_child(runtime_timer)
+		runtime_timer.timeout.connect(_on_timer_timeout)
+
+func enter() -> void:
+	if exit_on_animation_finished:
+		if not agent.anim_player.animation_finished.is_connected(_on_animation_finished):
+			agent.anim_player.animation_finished.connect(_on_animation_finished)
+	elif wait_time > 0:
+		runtime_timer.start(wait_time)
+
+func exit() -> void:
+	if exit_on_animation_finished and agent.anim_player.animation_finished.is_connected(_on_animation_finished):
+		agent.anim_player.animation_finished.disconnect(_on_animation_finished)
+
+	if runtime_timer and not runtime_timer.is_stopped():
+		runtime_timer.stop()
+
+func update(_delta: float) -> void:
 	pass
 
-func exit()  -> void:
-	pass
-
-func update(_delta)  -> void:
-	pass
-
-func physics_update(_delta)  -> void:
+func physics_update(_delta: float) -> void:
 	pass
 
 func run_animation() -> void:
 	if agent.anim_player and agent.anim_player.has_animation(animation_name):
-		var anim = agent.anim_player.get_animation(animation_name)
-		anim.loop_mode = Animation.LOOP_LINEAR
 		agent.anim_player.play(animation_name)
+
+func _on_animation_finished(anim_name: StringName) -> void:
+	if animation_name == anim_name:
+		if wait_time > 0:
+			runtime_timer.start(wait_time)
+		else:
+			transitioned.emit(self, next_state_id)
+
+func _on_timer_timeout() -> void:
+	transitioned.emit(self, next_state_id)