220 lines
7.5 KiB
Java
220 lines
7.5 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016-2019.
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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.crafting;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.function.Consumer;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonSyntaxException;
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import net.minecraft.data.IFinishedRecipe;
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import net.minecraft.item.crafting.IRecipe;
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import net.minecraft.item.crafting.IRecipeSerializer;
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import net.minecraft.item.crafting.RecipeManager;
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import net.minecraft.network.PacketBuffer;
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import net.minecraft.util.JSONUtils;
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import net.minecraft.util.ResourceLocation;
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import net.minecraftforge.common.crafting.conditions.ICondition;
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import net.minecraftforge.registries.ObjectHolder;
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public class ConditionalRecipe
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{
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@ObjectHolder("forge:conditional")
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public static final IRecipeSerializer<IRecipe<?>> SERIALZIER = null;
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public static Builder builder()
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{
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return new Builder();
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}
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public static class Serializer<T extends IRecipe<?>> implements IRecipeSerializer<T>
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{
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private ResourceLocation name;
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@Override
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public IRecipeSerializer<?> setRegistryName(ResourceLocation name)
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{
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this.name = name;
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return this;
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}
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@Override
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public ResourceLocation getRegistryName()
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{
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return name;
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}
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@Override
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public Class<IRecipeSerializer<?>> getRegistryType()
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{
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return Serializer.<IRecipeSerializer<?>>castClass(IRecipeSerializer.class);
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}
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@SuppressWarnings("unchecked") // Need this wrapper, because generics
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private static <G> Class<G> castClass(Class<?> cls)
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{
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return (Class<G>)cls;
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}
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@SuppressWarnings("unchecked") // We return a nested one, so we can't know what type it is.
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@Override
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public T read(ResourceLocation recipeId, JsonObject json)
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{
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JsonArray items = JSONUtils.getJsonArray(json, "recipes");
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int idx = 0;
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for (JsonElement ele : items)
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{
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if (!ele.isJsonObject())
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throw new JsonSyntaxException("Invalid recipes entry at index " + idx + " Must be JsonObject");
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if (CraftingHelper.processConditions(JSONUtils.getJsonArray(ele.getAsJsonObject(), "conditions")))
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return (T)RecipeManager.deserializeRecipe(recipeId, JSONUtils.getJsonObject(ele.getAsJsonObject(), "recipe"));
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idx++;
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}
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return null;
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}
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//Should never get here as we return one of the recipes we wrap.
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@Override public T read(ResourceLocation recipeId, PacketBuffer buffer) { return null; }
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@Override public void write(PacketBuffer buffer, T recipe) {}
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}
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public static class Builder
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{
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private List<ICondition[]> conditions = new ArrayList<>();
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private List<IFinishedRecipe> recipes = new ArrayList<>();
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private ResourceLocation advId;
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private ConditionalAdvancement.Builder adv;
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private List<ICondition> currentConditions = new ArrayList<>();
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public Builder addCondition(ICondition condition)
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{
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currentConditions.add(condition);
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return this;
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}
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public Builder addRecipe(Consumer<Consumer<IFinishedRecipe>> callable)
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{
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callable.accept(this::addRecipe);
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return this;
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}
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public Builder addRecipe(IFinishedRecipe recipe)
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{
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if (currentConditions.isEmpty())
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throw new IllegalStateException("Can not add a recipe with no conditions.");
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conditions.add(currentConditions.toArray(new ICondition[currentConditions.size()]));
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recipes.add(recipe);
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currentConditions.clear();
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return this;
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}
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public Builder setAdvancement(String namespace, String path, ConditionalAdvancement.Builder advancement)
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{
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return setAdvancement(new ResourceLocation(namespace, path), advancement);
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}
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public Builder setAdvancement(ResourceLocation id, ConditionalAdvancement.Builder advancement)
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{
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if (this.advId != null)
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throw new IllegalStateException("Invalid ConditionalRecipeBuilder, Advancement already set");
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this.advId = id;
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this.adv = advancement;
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return this;
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}
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public void build(Consumer<IFinishedRecipe> consumer, String namespace, String path)
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{
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build(consumer, new ResourceLocation(namespace, path));
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}
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public void build(Consumer<IFinishedRecipe> consumer, ResourceLocation id)
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{
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if (!currentConditions.isEmpty())
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throw new IllegalStateException("Invalid ConditionalRecipe builder, Orphaned conditions");
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if (recipes.isEmpty())
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throw new IllegalStateException("Invalid ConditionalRecipe builder, No recipes");
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consumer.accept(new Finished(id, conditions, recipes, advId, adv));
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}
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}
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private static class Finished implements IFinishedRecipe
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{
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private final ResourceLocation id;
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private final List<ICondition[]> conditions;
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private final List<IFinishedRecipe> recipes;
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private final ResourceLocation advId;
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private final ConditionalAdvancement.Builder adv;
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private Finished(ResourceLocation id, List<ICondition[]> conditions, List<IFinishedRecipe> recipes, ResourceLocation advId, ConditionalAdvancement.Builder adv)
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{
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this.id = id;
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this.conditions = conditions;
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this.recipes = recipes;
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this.advId = advId;
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this.adv = adv;
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}
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@Override
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public void serialize(JsonObject json) {
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JsonArray array = new JsonArray();
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json.add("recipes", array);
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for (int x = 0; x < conditions.size(); x++)
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{
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JsonObject holder = new JsonObject();
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JsonArray conds = new JsonArray();
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for (ICondition c : conditions.get(x))
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conds.add(CraftingHelper.serialize(c));
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holder.add("conditions", conds);
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holder.add("recipe", recipes.get(x).getRecipeJson());
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array.add(holder);
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}
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}
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@Override
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public ResourceLocation getID() {
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return id;
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}
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@Override
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public IRecipeSerializer<?> getSerializer()
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{
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return SERIALZIER;
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}
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@Override
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public JsonObject getAdvancementJson() {
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return adv == null ? null : adv.write();
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}
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@Override
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public ResourceLocation getAdvancementID() {
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return advId;
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}
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}
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}
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