77 lines
2.5 KiB
Java
77 lines
2.5 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016-2018.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package net.minecraftforge.common.brewing;
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import net.minecraft.init.Items;
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import net.minecraft.item.Item;
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import net.minecraft.item.ItemStack;
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import net.minecraft.potion.PotionBrewing;
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import javax.annotation.Nonnull;
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/**
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* Used in BrewingRecipeRegistry to maintain the vanilla behaviour.
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*
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* Most of the code was simply adapted from net.minecraft.tileentity.TileEntityBrewingStand
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*/
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public class VanillaBrewingRecipe implements IBrewingRecipe {
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/**
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* Code adapted from TileEntityBrewingStand.isItemValidForSlot(int index, ItemStack stack)
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*/
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@Override
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public boolean isInput(@Nonnull ItemStack stack)
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{
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Item item = stack.getItem();
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return item == Items.POTIONITEM || item == Items.SPLASH_POTION || item == Items.LINGERING_POTION || item == Items.GLASS_BOTTLE;
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}
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/**
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* Code adapted from TileEntityBrewingStand.isItemValidForSlot(int index, ItemStack stack)
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*/
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@Override
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public boolean isIngredient(@Nonnull ItemStack stack)
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{
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return PotionBrewing.isReagent(stack);
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}
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/**
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* Code copied from TileEntityBrewingStand.brewPotions()
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* It brews the potion by doing the bit-shifting magic and then checking if the new PotionEffect list is different to the old one,
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* or if the new potion is a splash potion when the old one wasn't.
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*/
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@Override
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@Nonnull
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public ItemStack getOutput(@Nonnull ItemStack input, @Nonnull ItemStack ingredient)
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{
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if (!input.isEmpty() && !ingredient.isEmpty() && isIngredient(ingredient))
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{
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ItemStack result = PotionBrewing.doReaction(ingredient, input);
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if (result != input)
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{
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return result;
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}
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return ItemStack.EMPTY;
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}
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return ItemStack.EMPTY;
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}
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}
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