Clean up path and names

scripts/enemy/behavior_tree/can_throw_ball_condition.gd

@@ -0,0 +1,7 @@
+class_name CanThrowBallCondition
+extends ConditionLeaf
+
+func tick(actor, _blackboard):
+	if !actor.has_thrown_ball:
+		return SUCCESS
+	return FAILURE

scripts/enemy/behavior_tree/can_wait_condition.gd

@@ -0,0 +1,8 @@
+class_name CanWaitCodition
+extends ConditionLeaf
+
+func tick(_actor, _blackboard):
+	var num = randi_range(0, 1)
+	if num == 0:
+		return SUCCESS
+	return FAILURE

scripts/enemy/behavior_tree/get_random_destination_action.gd

@@ -0,0 +1,13 @@
+class_name GetRandomDestinationAction
+extends ActionLeaf
+
+func tick(actor: Node, blackboard: Blackboard):
+	var rand_cell: Vector2i = actor.tile_map.get_random_top_cell()
+	actor.tile_map.set_cell(0, Vector2i(rand_cell.x, rand_cell.y), 2, Vector2i(0, 0), 0) # debug purpose
+	
+	var destination = actor.tile_map.map_to_local(rand_cell)
+	destination.y += actor.Y_SPAWN_OFFSET
+	
+	blackboard.set_value("destination", destination)
+	
+	return SUCCESS

scripts/enemy/behavior_tree/is_idle_condition.gd

@@ -0,0 +1,5 @@
+class_name IsIdleCondition
+extends ConditionLeaf
+
+func tick(_actor, _blackboard):
+	return SUCCESS

scripts/enemy/behavior_tree/move_to_destination_action.gd

@@ -0,0 +1,16 @@
+class_name MoveToDestinationAction
+extends ActionLeaf
+
+func before_run(actor, blackboard):
+	var destination = blackboard.get_value("destination")
+	actor.sprite.flip_h = actor.position.x > destination.x
+	actor.animation_player.play("walk")
+
+func tick(actor: Node, blackboard: Blackboard):
+	var destination = blackboard.get_value("destination")
+	var delta = get_physics_process_delta_time()
+	actor.position = actor.position.move_toward(destination, delta * actor.speed)
+	
+	if actor.position == destination:
+		return SUCCESS
+	return RUNNING

scripts/enemy/behavior_tree/throw_ball_action.gd

@@ -0,0 +1,25 @@
+class_name ThrowBallAction
+extends ActionLeaf
+
+var has_animation_finished = false
+
+func before_run(actor, _blackboard):
+	actor.animation_player.animation_finished.connect(_on_animation_finished)
+	actor.animation_player.speed_scale = 0.8
+
+func tick(actor, _blackboard):
+	actor.animation_player.play("throw")
+	
+	if !has_animation_finished:
+		return RUNNING
+	else:
+		actor.throw_ball()
+		actor.has_thrown_ball = true
+		return SUCCESS
+
+func after_run(actor, _blackboard):
+	actor.animation_player.play("idle")
+	actor.animation_player.speed_scale = 1
+
+func _on_animation_finished(_anim_name):
+	has_animation_finished = true

scripts/enemy/behavior_tree/wait_action.gd

@@ -0,0 +1,8 @@
+class_name WaitAction
+extends ActionLeaf
+
+func before_run(actor, _blackboard):
+	actor.animation_player.play("idle")
+
+func tick(_actor, _blackboard):
+	return RUNNING

scripts/enemy/enemy.gd

@@ -0,0 +1,20 @@
+class_name Enemy
+extends CharacterBody2D
+
+const Y_SPAWN_OFFSET = -8
+@export var speed = 80
+var has_thrown_ball = false
+var ball_scene = preload("res://scenes/ball.tscn")
+@onready var tile_map: TileMap = get_parent()
+@onready var animation_player = $AnimationPlayer
+@onready var sprite = $Sprite2D
+
+func _ready():
+	var spawn_cell: Vector2i = tile_map.get_top_spawn_cell()
+	position = tile_map.map_to_local(spawn_cell)
+	position.y += Y_SPAWN_OFFSET
+
+func throw_ball():
+	var ball = ball_scene.instantiate()
+	ball.position = position
+	tile_map.add_child(ball)