def calculate_damage(self, hit):
damage_class = hit.damage_class
user = hit.user
target = hit.target
loader = self.field.loader
if damage_class.identifier == "physical":
attack_stat = loader.load_stat("attack")
defense_stat = loader.load_stat("defense")
else:
attack_stat = loader.load_stat("special-attack")
defense_stat = loader.load_stat("special-defense")
self.field.message.effectivity(hit=hit)
if not hit.effectivity:
return None
hit.is_critical = hit.move_effect.determine_critical_hit(hit)
if hit.is_critical:
self.field.message.CriticalHit(hit=hit)
attack = user.get_stat(attack_stat, min_change_level=0)
defense = target.get_stat(defense_stat, max_change_level=0)
else:
attack = user.stats[attack_stat]
defense = target.stats[defense_stat]
damage = (user.level * 2 // 5 + 2) * hit.power * attack // 50 // defense
damage = Effect.modify_move_damage(hit, damage)
if damage < 1:
damage = 1
return damage
