godot-demo-projects/2d/role_playing_game/grid_movement/pawns/walker.gd

extends Pawn


#warning-ignore:unused_class_variable
@export var combat_actor: PackedScene
#warning-ignore:unused_class_variable
var lost = false
var grid_size
@onready var parent = get_parent()
@onready var animation_playback = $AnimationTree.get("parameters/playback")
@onready var walk_animation_time = $AnimationPlayer.get_animation("walk").length


func _ready():
	update_look_direction(Vector2.RIGHT)
	grid_size = parent.tile_set.tile_size.x


func _process(_delta):
	var input_direction = get_input_direction()
	if input_direction.is_zero_approx():
		return
	update_look_direction(input_direction)

	var target_position = parent.request_move(self, input_direction)
	if target_position:
		move_to(target_position)
	elif active:
		bump()


func get_input_direction():
	return Vector2(
		Input.get_action_strength("move_right") - Input.get_action_strength("move_left"),
		Input.get_action_strength("move_down") - Input.get_action_strength("move_up")
	)


func update_look_direction(direction):
	$Pivot/Sprite2D.rotation = direction.angle()


func move_to(target_position):
	set_process(false)
	var move_direction = (target_position - position).normalized()
	animation_playback.start("walk")

	var tween := create_tween()
	tween.set_ease(Tween.EASE_IN)
	var end = $Pivot.position + move_direction * grid_size
	tween.tween_property($Pivot, "position", end, walk_animation_time)

	await tween.finished
	$Pivot.position = Vector2.ZERO
	position = target_position
	animation_playback.start("idle")

	set_process(true)

func bump():
	set_process(false)
	animation_playback.start("bump")
	await $AnimationTree.animation_finished
	animation_playback.start("idle")
	set_process(true)