@Override
public DataTransactionResult set(
DataHolder dataHolder, EyeLocationData manipulator, MergeFunction function) {
if (!supports(dataHolder)) {
return DataTransactionBuilder.failResult(manipulator.getValues());
}
final ImmutableValue<Double> newValue = manipulator.eyeHeight().asImmutable();
final EyeLocationData oldManipulator = from(dataHolder).get();
final ImmutableValue<Double> oldValue = oldManipulator.eyeHeight().asImmutable();
final EyeLocationData newData = function.merge(oldManipulator, manipulator);
((IMixinEntity) dataHolder).setEyeHeight(newData.eyeHeight().get());
return DataTransactionBuilder.successReplaceResult(newValue, oldValue);
}
@Override
public DataTransactionResult offerToStore(ValueContainer<?> container, Double value) {
if (supports(container)) {
final EntityPlayer player = (EntityPlayer) container;
if (player.getFoodStats() != null) {
final Double oldValue = (double) player.getFoodStats().getSaturationLevel();
player.getFoodStats().foodSaturationLevel = value.floatValue();
return DataTransactionBuilder.successReplaceResult(
new ImmutableSpongeValue<Double>(Keys.SATURATION, value),
new ImmutableSpongeValue<Double>(Keys.SATURATION, oldValue));
}
}
return DataTransactionBuilder.failResult(
new ImmutableSpongeValue<Double>(Keys.SATURATION, value));
}
@Override
public DataTransactionResult removeFrom(ValueContainer<?> container) {
if (this.supports(container)) {
final ItemStack skull = (ItemStack) container;
final Optional<GameProfile> oldData = getVal(skull);
if (SkullUtils.setProfile(skull, null)) {
if (oldData.isPresent()) {
return DataTransactionBuilder.successReplaceResult(
Collections.emptySet(),
Collections.singleton(constructImmutableValue(oldData.get())));
} else {
return DataTransactionBuilder.successNoData();
}
}
}
return DataTransactionBuilder.failNoData();
}