net.minecraft.util.DamageSource#causePlayerDamage ( )源码实例Demo

private int getArmorValue(ItemArmor item, ItemStack stack)
{
	int armorPoints = item.damageReduceAmount;
	int prtPoints = 0;
	int armorToughness = (int)item.toughness;
	int armorType = item.getArmorMaterial()
		.getDamageReductionAmount(EntityEquipmentSlot.LEGS);
	
	if(useEnchantments.isChecked())
	{
		Enchantment protection = Enchantments.PROTECTION;
		int prtLvl =
			EnchantmentHelper.getEnchantmentLevel(protection, stack);
		
		EntityPlayerSP player = WMinecraft.getPlayer();
		DamageSource dmgSource = DamageSource.causePlayerDamage(player);
		prtPoints = protection.calcModifierDamage(prtLvl, dmgSource);
	}
	
	return armorPoints * 5 + prtPoints * 3 + armorToughness + armorType;
}
 

public void damage(double amount, Entity source) {
    DamageSource reason = DamageSource.GENERIC;

    if (source instanceof HumanEntity) {
        reason = DamageSource.causePlayerDamage(((CraftHumanEntity) source).getHandle());
    } else if (source instanceof LivingEntity) {
        reason = DamageSource.causeMobDamage(((CraftLivingEntity) source).getHandle());
    }

    entity.attackEntityFrom(reason, (float) amount);
}