01_damage.gd

class_name Damage extends Resource


enum Type {
  MAGICAL,
  PHYSICAL,
}


@export
var type: Type;

@export_range(1, 1000, 1)
var amount: int = 1;

02_actor.gd

class_name Actor extends CharacterBody3D


# […]


func take_damage(damage: Damage) -> void:
  match damage.type:
    Damage.Type.MAGICAL:
      _compute_magical_damage(damage.amount);

    Damage.Type.PHYSICAL:
      _compute_physical_damage(damage.amount);


func _compute_magical_damage(amount: int) -> void:
    if self.is_magic_shield_activated():
      amount -= 1;

    self.health -= amount;


func _compute_physical_damage(amount: int) -> void:
    if self.has_shield_in_front_of_body():
      amount -= 1;

    self.health -= amount;