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

public static DamageSource copyOf(final DamageSource original) {
    CraftDamageSource newSource = new CraftDamageSource(original.damageType);

    // Check ignoresArmor
    if (original.isUnblockable()) {
        newSource.setDamageBypassesArmor();
    }

    // Check magic
    if (original.isMagicDamage()) {
        newSource.setMagicDamage();
    }

    // Check fire
    if (original.isExplosion()) {
        newSource.setExplosion();
    }

    return newSource;
}
 

@Override
public boolean attackEntityFrom(@Nonnull DamageSource source, float amount) {
	if (source.isMagicDamage()) {
		super.attackEntityFrom(source, amount);
		ClientRunnable.run(new ClientRunnable() {
			@Override
			@SideOnly(Side.CLIENT)
			public void runIfClient() {
				LibParticles.SPIRIT_WIGHT_HURT(world, getPositionVector());
			}
		});
		return true;
	} else return false;
}
 

@Override
public boolean attackEntityFrom(@Nonnull DamageSource source, float amount) {
	if (source.isMagicDamage() || source == DamageSource.OUT_OF_WORLD) {
		super.attackEntityFrom(source, amount);
		ClientRunnable.run(new ClientRunnable() {
			@Override
			@SideOnly(Side.CLIENT)
			public void runIfClient() {
				LibParticles.SPIRIT_WIGHT_HURT(world, getPositionVector());
			}
		});
		return true;
	} else return false;
}
 

/**
 * Reduces damage, depending on potions
 */
protected float applyPotionDamageCalculations(DamageSource source, float damage) {
	damage = super.applyPotionDamageCalculations(source, damage);

	if (source.getTrueSource() == this) {
		damage = 0.0F;
	}

	if (source.isMagicDamage()) {
		damage = (float) ((double) damage * 0.15D);
	}

	return damage;
}
 

@Override
protected float applyPotionDamageCalculations(DamageSource damageSource, float damage) {
  //same as a vanilla witch
  damage = super.applyPotionDamageCalculations(damageSource, damage);
  if(damageSource.getTrueSource() == this) {
    damage = 0.0F;
  }
  if(damageSource.isMagicDamage()) {
    damage = (float) (damage * 0.15D);
  }
  return damage;
}