extends Node

var game_stats_config = preload("res://resources/game_stats_config.tres")

signal life_changed
signal morale_changed
var _life : int = game_stats_config.starting_life
var _morale : int = game_stats_config.starting_morale
var _current_wave : int = 1

func get_life() -> int:
	return _life

func add_life(amount: int):
	_life += amount
	emit_signal("life_changed", _life)

func subtract_life(amount: int):
	_life -= amount
	emit_signal("life_changed", _life)

func get_morale() -> int:
	return _morale

func add_morale(amount: int):
	_morale += amount
	emit_signal("morale_changed", _morale)

func subtract_morale(amount: int):
	_morale -= amount
	emit_signal("morale_changed", _morale)
	
func get_current_wave() -> int:
	return _current_wave

func increment_wave():
	_current_wave += 1