103 lines
4.0 KiB
Java
103 lines
4.0 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;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import com.google.common.collect.Lists;
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import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
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import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
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import net.minecraft.entity.merchant.villager.VillagerProfession;
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import net.minecraft.entity.merchant.villager.VillagerTrades;
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import net.minecraft.entity.merchant.villager.VillagerTrades.ITrade;
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import net.minecraft.util.NonNullList;
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import net.minecraftforge.event.village.VillagerTradesEvent;
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import net.minecraftforge.event.village.WandererTradesEvent;
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import net.minecraftforge.fml.event.server.FMLServerAboutToStartEvent;
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import net.minecraftforge.registries.ForgeRegistries;
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public class VillagerTradingManager
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{
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private static final Map<VillagerProfession, Int2ObjectMap<ITrade[]>> VANILLA_TRADES = new HashMap<>();
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private static final Int2ObjectMap<ITrade[]> WANDERER_TRADES = new Int2ObjectOpenHashMap<>();
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static
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{
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VillagerTrades.VILLAGER_DEFAULT_TRADES.entrySet().forEach(e ->
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{
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Int2ObjectMap<ITrade[]> copy = new Int2ObjectOpenHashMap<>();
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e.getValue().int2ObjectEntrySet().forEach(ent -> copy.put(ent.getIntKey(), Arrays.copyOf(ent.getValue(), ent.getValue().length)));
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VANILLA_TRADES.put(e.getKey(), copy);
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});
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VillagerTrades.field_221240_b.int2ObjectEntrySet().forEach(e -> WANDERER_TRADES.put(e.getIntKey(), Arrays.copyOf(e.getValue(), e.getValue().length)));
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}
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static void loadTrades(FMLServerAboutToStartEvent e)
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{
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postWandererEvent();
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postVillagerEvents();
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}
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/**
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* Posts the WandererTradesEvent.
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*/
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private static void postWandererEvent()
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{
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List<ITrade> generic = NonNullList.create();
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List<ITrade> rare = NonNullList.create();
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Arrays.stream(WANDERER_TRADES.get(1)).forEach(generic::add);
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Arrays.stream(WANDERER_TRADES.get(2)).forEach(rare::add);
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MinecraftForge.EVENT_BUS.post(new WandererTradesEvent(generic, rare));
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VillagerTrades.field_221240_b.put(1, generic.toArray(new ITrade[0]));
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VillagerTrades.field_221240_b.put(2, rare.toArray(new ITrade[0]));
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}
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/**
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* Posts a VillagerTradesEvent for each registered profession.
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*/
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private static void postVillagerEvents()
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{
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for (VillagerProfession prof : ForgeRegistries.PROFESSIONS)
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{
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Int2ObjectMap<ITrade[]> trades = VANILLA_TRADES.getOrDefault(prof, new Int2ObjectOpenHashMap<>());
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Int2ObjectMap<List<ITrade>> mutableTrades = new Int2ObjectOpenHashMap<>();
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for (int i = 1; i < 6; i++)
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{
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mutableTrades.put(i, NonNullList.create());
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}
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trades.int2ObjectEntrySet().forEach(e ->
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{
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Arrays.stream(e.getValue()).forEach(mutableTrades.get(e.getIntKey())::add);
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});
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MinecraftForge.EVENT_BUS.post(new VillagerTradesEvent(mutableTrades, prof));
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Int2ObjectMap<ITrade[]> newTrades = new Int2ObjectOpenHashMap<>();
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mutableTrades.int2ObjectEntrySet().forEach(e -> newTrades.put(e.getIntKey(), e.getValue().toArray(new ITrade[0])));
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VillagerTrades.VILLAGER_DEFAULT_TRADES.put(prof, newTrades);
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}
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}
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}
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