@Override public SpellResult perform(CastContext context) { Entity entity = context.getTargetEntity(); if (entity == null || !(entity instanceof Damageable) || entity.isDead()) { return SpellResult.NO_TARGET; } double damage = 1; Damageable targetEntity = (Damageable) entity; LivingEntity livingTarget = (entity instanceof LivingEntity) ? (LivingEntity) entity : null; context.registerDamaged(targetEntity); Mage mage = context.getMage(); MageController controller = context.getController(); double previousKnockbackResistance = 0D; try { if (knockbackResistance != null && livingTarget != null) { AttributeInstance knockBackAttribute = livingTarget.getAttribute(Attribute.GENERIC_KNOCKBACK_RESISTANCE); previousKnockbackResistance = knockBackAttribute.getBaseValue(); knockBackAttribute.setBaseValue(knockbackResistance); } if (controller.isElemental(entity)) { damage = elementalDamage; controller.damageElemental( entity, damage * mage.getDamageMultiplier(), 0, mage.getCommandSender()); } else { if (percentage != null) { damage = percentage * targetEntity.getMaxHealth(); } else if (targetEntity instanceof Player) { damage = playerDamage; } else { damage = entityDamage; } damage *= mage.getDamageMultiplier(); if (magicDamage && (magicEntityDamage || targetEntity instanceof Player)) { CompatibilityUtils.magicDamage(targetEntity, damage, mage.getEntity()); } else { CompatibilityUtils.damage(targetEntity, damage, mage.getEntity()); } } } finally { if (knockbackResistance != null && livingTarget != null) { AttributeInstance knockBackAttribute = livingTarget.getAttribute(Attribute.GENERIC_KNOCKBACK_RESISTANCE); knockBackAttribute.setBaseValue(previousKnockbackResistance); } } return SpellResult.CAST; }