Play ball with the enemy

Enemy can return the ball to the player

scripts/enemy/behavior_tree/can_go_to_ball_condition.gd

@@ -0,0 +1,7 @@
+class_name CanGoToBallCondition
+extends ConditionLeaf
+
+func tick(actor, _blackboard):
+	if actor.next_target != null && actor.has_thrown_ball && !actor.collide_with_ball:
+		return SUCCESS
+	return FAILURE

scripts/enemy/behavior_tree/can_return_ball_condition.gd

@@ -0,0 +1,12 @@
+class_name CanReturnBallCondition
+extends ConditionLeaf
+
+func tick(actor, _blackboard):
+	if (
+		actor.has_thrown_ball 
+		&& actor.next_target != null 
+		&& actor.collide_with_ball 
+		&& !actor.current_ball.aim_to_bottom()
+	):
+		return SUCCESS
+	return FAILURE

scripts/enemy/behavior_tree/can_wait_condition.gd

@@ -1,8 +1,11 @@
 class_name CanWaitCodition
 extends ConditionLeaf
 
-func tick(_actor, _blackboard):
+func tick(actor, _blackboard):
+	if actor.next_target != null:
+		return FAILURE
+	
 	var num = randi_range(0, 1)
-	if num == 0:
-		return SUCCESS
-	return FAILURE
+	if num == 1:
+		return FAILURE
+	return SUCCESS

scripts/enemy/behavior_tree/get_ball_destination_action.gd

@@ -0,0 +1,13 @@
+class_name GetBallDestinationAction
+extends ActionLeaf
+
+func tick(actor: Node, blackboard: Blackboard):
+#	var rand_cell: Vector2i = actor.tile_map.get_random_top_cell()
+#	actor.tile_map.reset_and_set_destination_cell(rand_cell)
+#
+#	var destination = actor.tile_map.map_to_local(rand_cell)
+#	destination.y += actor.Y_SPAWN_OFFSET
+#
+	blackboard.set_value("destination", actor.next_target)
+	
+	return SUCCESS

scripts/enemy/behavior_tree/get_random_destination_action.gd

@@ -1,13 +0,0 @@
-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.reset_and_set_destination_cell(rand_cell)
-	
-	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

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

scripts/enemy/behavior_tree/return_ball_action.gd

@@ -0,0 +1,17 @@
+class_name ReturnBallAction
+extends ActionLeaf
+
+func before_run(actor, _blackboard):
+	actor.play_throw_animation()
+
+func tick(actor, blackboard):
+	if !actor.is_throw_animation_finished:
+		return RUNNING
+	else:
+		print("enemy return ball!")
+		var target = blackboard.get_value("target")
+		actor.return_ball(target)
+		return SUCCESS
+
+func after_run(actor, _blackboard):
+	actor.animation_player.play("idle")

scripts/enemy/behavior_tree/throw_ball_action.gd

@@ -1,16 +1,11 @@
 class_name ThrowBallAction
 extends ActionLeaf
 
-var is_animation_finished = false
-
 func before_run(actor, _blackboard):
-	actor.animation_player.animation_finished.connect(_on_animation_finished)
-	actor.animation_player.speed_scale = 0.8
+	actor.play_throw_animation()
 
 func tick(actor, blackboard):
-	actor.animation_player.play("throw")
-	
-	if !is_animation_finished:
+	if !actor.is_throw_animation_finished:
 		return RUNNING
 	else:
 		var target = blackboard.get_value("target")
@@ -19,8 +14,4 @@ func tick(actor, blackboard):
 		return SUCCESS
 
 func after_run(actor, _blackboard):
-	actor.animation_player.speed_scale = 1
 	actor.animation_player.play("idle")
-
-func _on_animation_finished(_anim_name):
-	is_animation_finished = true