forked from GeyserMC/Geyser
142 lines
7.2 KiB
Java
142 lines
7.2 KiB
Java
/*
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* Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.connector.network.translators.java.world;
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import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
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import com.github.steveice10.mc.protocol.data.game.window.VillagerTrade;
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import com.github.steveice10.mc.protocol.packet.ingame.server.window.ServerTradeListPacket;
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import com.nukkitx.nbt.NbtMap;
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import com.nukkitx.nbt.NbtMapBuilder;
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import com.nukkitx.nbt.NbtType;
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import com.nukkitx.protocol.bedrock.data.inventory.ContainerType;
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import com.nukkitx.protocol.bedrock.data.entity.EntityData;
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import com.nukkitx.protocol.bedrock.data.inventory.ItemData;
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import com.nukkitx.protocol.bedrock.packet.UpdateTradePacket;
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import org.geysermc.connector.entity.Entity;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.network.translators.PacketTranslator;
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import org.geysermc.connector.network.translators.Translator;
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import org.geysermc.connector.network.translators.item.ItemEntry;
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import org.geysermc.connector.network.translators.item.ItemRegistry;
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import org.geysermc.connector.network.translators.item.ItemTranslator;
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import java.util.ArrayList;
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import java.util.List;
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@Translator(packet = ServerTradeListPacket.class)
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public class JavaTradeListTranslator extends PacketTranslator<ServerTradeListPacket> {
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@Override
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public void translate(ServerTradeListPacket packet, GeyserSession session) {
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Entity villager = session.getPlayerEntity();
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session.setVillagerTrades(packet.getTrades());
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villager.getMetadata().put(EntityData.TRADE_TIER, packet.getVillagerLevel() - 1);
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villager.getMetadata().put(EntityData.MAX_TRADE_TIER, 4);
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villager.getMetadata().put(EntityData.TRADE_XP, packet.getExperience());
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villager.updateBedrockMetadata(session);
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UpdateTradePacket updateTradePacket = new UpdateTradePacket();
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updateTradePacket.setTradeTier(packet.getVillagerLevel() - 1);
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updateTradePacket.setContainerId((short) packet.getWindowId()); //TODO: CHECK THIS AND THE ONE BELOW
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updateTradePacket.setContainerType(ContainerType.TRADE);
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String displayName;
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Entity realVillager = session.getEntityCache().getEntityByGeyserId(session.getLastInteractedVillagerEid());
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if (realVillager != null && realVillager.getMetadata().containsKey(EntityData.NAMETAG) && realVillager.getMetadata().getString(EntityData.NAMETAG) != null) {
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displayName = realVillager.getMetadata().getString(EntityData.NAMETAG);
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} else {
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displayName = packet.isRegularVillager() ? "Villager" : "Wandering Trader";
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}
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updateTradePacket.setDisplayName(displayName);
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updateTradePacket.setSize(0);
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updateTradePacket.setNewTradingUi(true);
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updateTradePacket.setUsingEconomyTrade(true);
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updateTradePacket.setPlayerUniqueEntityId(session.getPlayerEntity().getGeyserId());
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updateTradePacket.setTraderUniqueEntityId(session.getPlayerEntity().getGeyserId());
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NbtMapBuilder builder = NbtMap.builder();
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List<NbtMap> tags = new ArrayList<>();
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for (VillagerTrade trade : packet.getTrades()) {
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NbtMapBuilder recipe = NbtMap.builder();
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recipe.putInt("maxUses", trade.getMaxUses());
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recipe.putInt("traderExp", trade.getXp());
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recipe.putFloat("priceMultiplierA", trade.getPriceMultiplier());
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recipe.put("sell", getItemTag(session, trade.getOutput(), 0));
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recipe.putFloat("priceMultiplierB", 0.0f);
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recipe.putInt("buyCountB", trade.getSecondInput() != null ? trade.getSecondInput().getAmount() : 0);
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recipe.putInt("buyCountA", trade.getFirstInput().getAmount());
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recipe.putInt("demand", trade.getDemand());
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recipe.putInt("tier", packet.getVillagerLevel() - 1);
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recipe.put("buyA", getItemTag(session, trade.getFirstInput(), trade.getSpecialPrice()));
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if (trade.getSecondInput() != null) {
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recipe.put("buyB", getItemTag(session, trade.getSecondInput(), 0));
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}
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recipe.putInt("uses", trade.getNumUses());
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recipe.putByte("rewardExp", (byte) 1);
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tags.add(recipe.build());
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}
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//Hidden trade to fix visual experience bug
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if (packet.isRegularVillager() && packet.getVillagerLevel() < 5) {
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tags.add(NbtMap.builder()
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.putInt("maxUses", 0)
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.putInt("traderExp", 0)
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.putFloat("priceMultiplierA", 0.0f)
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.putFloat("priceMultiplierB", 0.0f)
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.putInt("buyCountB", 0)
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.putInt("buyCountA", 0)
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.putInt("demand", 0)
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.putInt("tier", 5)
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.putInt("uses", 0)
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.putByte("rewardExp", (byte) 0)
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.build());
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}
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builder.putList("Recipes", NbtType.COMPOUND, tags);
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List<NbtMap> expTags = new ArrayList<>();
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expTags.add(NbtMap.builder().putInt("0", 0).build());
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expTags.add(NbtMap.builder().putInt("1", 10).build());
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expTags.add(NbtMap.builder().putInt("2", 70).build());
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expTags.add(NbtMap.builder().putInt("3", 150).build());
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expTags.add(NbtMap.builder().putInt("4", 250).build());
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builder.putList("TierExpRequirements", NbtType.COMPOUND, expTags);
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updateTradePacket.setOffers(builder.build());
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session.sendUpstreamPacket(updateTradePacket);
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}
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private NbtMap getItemTag(GeyserSession session, ItemStack stack, int specialPrice) {
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ItemData itemData = ItemTranslator.translateToBedrock(session, stack);
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ItemEntry itemEntry = ItemRegistry.getItem(stack);
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NbtMapBuilder builder = NbtMap.builder();
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builder.putByte("Count", (byte) (Math.max(itemData.getCount() + specialPrice, 1)));
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builder.putShort("Damage", itemData.getDamage());
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builder.putShort("id", (short) itemEntry.getBedrockId());
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if (itemData.getTag() != null) {
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NbtMap tag = itemData.getTag().toBuilder().build();
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builder.put("tag", tag);
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}
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return builder.build();
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}
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}
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