init

enemies/scripts/states/enemy_state_chase.gd

@@ -0,0 +1,58 @@
+class_name EnemyChaseWander extends EnemyState
+
+@export var animation_name: String = "chase"
+@export var chase_speed: float = 20.0
+@export var turn_rate: float = 0.25
+
+@export_category("AI")
+@export var vision_area: VisionArea
+@export var attack_area: Hurtbox
+@export var state_aggro_duration: float = 0.5
+@export var next_state: EnemyState
+
+var timer: float = 0.0
+var direction: Vector2
+var can_see_player := false
+
+func init() -> void:
+	if vision_area:
+		vision_area.player_entered.connect(on_player_entered)
+		vision_area.player_exited.connect(on_player_exited)
+
+func enter() -> void:
+	timer = state_aggro_duration
+	enemy.update_animation(animation_name)
+	if attack_area:
+		attack_area.monitoring = true
+
+func exit() -> void:
+	if attack_area:
+		attack_area.monitoring = true
+	can_see_player = false
+
+func process(delta : float) -> EnemyState:
+	var new_dir: Vector2 = enemy.global_position.direction_to(PlayerManager.player.global_position)
+	direction = lerp(direction, new_dir, turn_rate)
+	enemy.velocity = direction * chase_speed
+	if enemy.set_direction(direction):
+		enemy.update_animation(animation_name)
+	if !can_see_player:
+		timer -= delta
+		if timer <= 0:
+			return next_state
+	else:
+		timer = state_aggro_duration
+	return null
+
+
+func physics(_delta : float) -> EnemyState:
+	return null
+
+func on_player_entered() -> void:
+	can_see_player = true
+	if state_machine.current_state is EnemyStateStun:
+		return
+	state_machine.change_state(self)
+
+func on_player_exited() -> void:
+	can_see_player = false