extends CharacterBody3D

var id = -1
var instance_position: Vector2i
@onready var ray = $RayCast3D

func _process(delta):
	var height = ray.get_collision_point().y
	if position.y != height:
		var tween = get_tree().create_tween()
		tween.tween_property(self, "position:y", height, 0.1)

func connect_to_world(id):
	var world_entity = Global.world.entities[id]
	world_entity.moving.connect(_on_entity_moving)
	world_entity.changed_state.connect(_on_changed_state)
	instance_position = world_entity.position

func _on_entity_moving(new_position, speed):
	print(new_position)
	var x_tween = get_tree().create_tween()
	var z_tween = get_tree().create_tween()
	var rot_tween = get_tree().create_tween()

	x_tween.tween_property(self, "position:x", new_position.x, 1.0/speed)
	z_tween.tween_property(self, "position:z", new_position.y, 1.0/speed)
	
	var vector = Vector2(new_position.y, new_position.x) - Vector2(self.position.z, self.position.x)
	var angle = vector.angle()
	var new_rotation = lerp_angle(position.y, angle, 1)
	rot_tween.tween_property(self, "rotation:y", new_rotation, 0.1)
	
func _on_changed_state(state):
	if state == 0:
		$AnimationTree["parameters/playback"].travel("Idle")
	if state == 1:
				$AnimationTree["parameters/playback"].travel("Walk")