game: add player stats and modifiers

scenes/enemies/enemy.gd

@@ -34,12 +34,13 @@ func _physics_process(delta: float) -> void:
 			deal_damage()
 
 
-func take_damage(value: float):
+func take_damage(value: float, is_crit: bool = false):
 	if god_mode:
 		return
 	health -= value
 	var dm = preload("res://scenes/damage_numbers.tscn").instantiate()
 	dm.damage_taken = value
+	dm.critical_damage = is_crit
 	add_child(dm)
 	if health <= 0:
 		die()