extends RigidBody3D

@export var recursive = false

var buffer = Vector3(0,0,0)

@export var clear_buffer = true

var death_direction = Vector3(0,0,0)
@export var mesh : Array[Node3D]
@export var colliders : Array[CollisionShape3D]
var alpha = 0.3

@export var forgive_buffer = false

@export var keyboard_input = false

var time_since_moved = 0.0

var death_timeout = 0.0

# Called when the node enters the scene tree for the first time.
func _ready():
	pass # Replace with function body.


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
	
	if keyboard_input:
		time_since_moved += delta
		if time_since_moved > 0.5:
			if Input.get_action_strength("forward") > 0.0:
				buffer = Vector3(0,3,0)
				time_since_moved = 0
			if Input.get_action_strength("backwards") > 0.0:
				buffer = Vector3(0,-3,0)
				time_since_moved = 0
			if Input.get_action_strength("left") > 0.0:
				buffer = Vector3(0,0,3)
				time_since_moved = 0
			if Input.get_action_strength("right") > 0.0:
				buffer = Vector3(0,0,-3)
				time_since_moved = 0
	
	
	# Killed
	if death_direction != Vector3.ZERO:
		print ("Self-killing: " + name)
		for mesh_animation in mesh:
			# Melts the mesh
			mesh_animation.scale = mesh_animation.scale.lerp(Vector3(0,0,0), 1 - alpha ** delta)
			
			# Absorbs
			mesh_animation.global_position = mesh_animation.global_position.lerp(mesh_animation.global_position + death_direction, 1 - alpha ** delta)
		
		for collider_animation in colliders:
			collider_animation.disabled = true
	
	if (buffer != Vector3.ZERO):
		var tryagain = !move(buffer) && forgive_buffer
		if clear_buffer && !tryagain:
			buffer = Vector3.ZERO
	
func move(direction) -> bool:
	
	$raycast_wall.target_position = direction
	$raycast_wall.force_raycast_update()
	$raycast_recursive.target_position = direction
	$raycast_recursive.force_raycast_update()

	if !$raycast_wall.is_colliding():
		translate(direction)
		return true
	
	if recursive && $raycast_recursive.is_colliding():
		if ($raycast_recursive.get_collider().move(direction)):
			translate(direction)
			return true
	
	return false