extends Spatial
class_name Damageable

const GROUP_STRING : String = "damageable"

export var max_hp : int = 1
export var start_broken : bool = false

var current_hp : int = 1 setget set_hp

func _init():
	pass

func _ready():
	var starting_hp : int = max_hp
	if start_broken:
		starting_hp = 0
	set_hp(starting_hp)

func take_damage(damage : int = 1):
	assert(damage > 0)
	set_hp(current_hp - damage)

func set_hp(hp_to_set : int):
	current_hp = clamp(hp_to_set,0,max_hp)
	if current_hp == 0 and is_in_group(GROUP_STRING):
		remove_from_group(GROUP_STRING)
	if current_hp > 0 and !is_in_group(GROUP_STRING):
		add_to_group(GROUP_STRING)

func full_heal():
	set_hp(max_hp)