package gregtech.api.recipe.check; import java.util.Objects; import javax.annotation.Nonnull; import javax.annotation.Nullable; import net.minecraft.client.resources.I18n; import net.minecraft.item.ItemStack; import net.minecraft.network.PacketBuffer; import cpw.mods.fml.common.network.ByteBufUtils; public class ResultMissingItem implements CheckRecipeResult { @Nullable public ItemStack itemStack; public ResultMissingItem() { } public ResultMissingItem(@Nullable ItemStack itemStack) { this.itemStack = itemStack; } @Override @Nonnull public String getID() { return "missing_item"; } @Override public boolean wasSuccessful() { return false; } @Override @Nonnull public String getDisplayString() { return Objects.requireNonNull( I18n.format("GT5U.gui.text.missing_item", itemStack != null ? itemStack.getDisplayName() : "null")); } @Override @Nonnull public CheckRecipeResult newInstance() { return new ResultMissingItem(itemStack != null ? itemStack.copy() : null); } @Override public void encode(@Nonnull PacketBuffer buffer) { ByteBufUtils.writeItemStack(buffer, itemStack); } @Override public void decode(PacketBuffer buffer) { this.itemStack = ByteBufUtils.readItemStack(buffer); } }