forked from GeyserMC/Geyser
Merge pull request #740 from GeyserMC/feature/villager-trading
Add villager trading support
This commit is contained in:
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96d47548f7
7 changed files with 339 additions and 0 deletions
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@ -31,6 +31,7 @@ import com.github.steveice10.mc.auth.exception.request.RequestException;
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import com.github.steveice10.mc.protocol.MinecraftProtocol;
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import com.github.steveice10.mc.protocol.data.SubProtocol;
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import com.github.steveice10.mc.protocol.data.game.entity.player.GameMode;
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import com.github.steveice10.mc.protocol.data.game.window.VillagerTrade;
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import com.github.steveice10.mc.protocol.data.game.world.block.BlockState;
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import com.github.steveice10.mc.protocol.packet.handshake.client.HandshakePacket;
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import com.github.steveice10.mc.protocol.packet.ingame.client.world.ClientTeleportConfirmPacket;
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@ -169,6 +170,11 @@ public class GeyserSession implements CommandSender {
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@Setter
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private long lastWindowCloseTime = 0;
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@Setter
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private VillagerTrade[] villagerTrades;
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@Setter
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private long lastInteractedVillagerEid;
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private MinecraftProtocol protocol;
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public GeyserSession(GeyserConnector connector, BedrockServerSession bedrockServerSession) {
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@ -26,7 +26,13 @@
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package org.geysermc.connector.network.translators.bedrock;
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import com.github.steveice10.mc.protocol.data.game.window.VillagerTrade;
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import com.github.steveice10.mc.protocol.data.game.window.WindowType;
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import com.github.steveice10.mc.protocol.packet.ingame.client.window.ClientSelectTradePacket;
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import com.nukkitx.protocol.bedrock.data.EntityData;
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import com.nukkitx.protocol.bedrock.packet.EntityEventPacket;
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import org.geysermc.connector.entity.Entity;
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import org.geysermc.connector.inventory.Inventory;
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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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@ -41,6 +47,22 @@ public class BedrockEntityEventTranslator extends PacketTranslator<EntityEventPa
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case EATING_ITEM:
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session.sendUpstreamPacket(packet);
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return;
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case COMPLETE_TRADE:
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ClientSelectTradePacket selectTradePacket = new ClientSelectTradePacket(packet.getData());
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session.getDownstream().getSession().send(selectTradePacket);
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Entity villager = session.getPlayerEntity();
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Inventory openInventory = session.getInventoryCache().getOpenInventory();
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if (openInventory != null && openInventory.getWindowType() == WindowType.MERCHANT) {
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VillagerTrade[] trades = session.getVillagerTrades();
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if (trades != null && packet.getData() >= 0 && packet.getData() < trades.length) {
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VillagerTrade trade = session.getVillagerTrades()[packet.getData()];
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openInventory.setItem(2, trade.getOutput());
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villager.getMetadata().put(EntityData.TRADE_XP, trade.getXp() + villager.getMetadata().getInt(EntityData.TRADE_XP));
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villager.updateBedrockMetadata(session);
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}
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}
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return;
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}
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session.getConnector().getLogger().debug("Did not translate incoming EntityEventPacket: " + packet.toString());
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}
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@ -45,6 +45,7 @@ import com.nukkitx.protocol.bedrock.packet.InventoryTransactionPacket;
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import org.geysermc.connector.entity.Entity;
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import org.geysermc.connector.entity.ItemFrameEntity;
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import org.geysermc.connector.entity.living.merchant.AbstractMerchantEntity;
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import org.geysermc.connector.inventory.Inventory;
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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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@ -198,6 +199,10 @@ public class BedrockInventoryTransactionTranslator extends PacketTranslator<Inve
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session.sendDownstreamPacket(interactAtPacket);
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EntitySoundInteractionHandler.handleEntityInteraction(session, vector, entity);
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if (entity instanceof AbstractMerchantEntity) {
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session.setLastInteractedVillagerEid(packet.getRuntimeEntityId());
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}
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break;
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case 1: //Attack
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ClientPlayerInteractEntityPacket attackPacket = new ClientPlayerInteractEntityPacket((int) entity.getEntityId(),
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@ -54,6 +54,7 @@ public abstract class InventoryTranslator {
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put(WindowType.ANVIL, new AnvilInventoryTranslator());
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put(WindowType.CRAFTING, new CraftingInventoryTranslator());
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put(WindowType.GRINDSTONE, new GrindstoneInventoryTranslator());
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put(WindowType.MERCHANT, new MerchantInventoryTranslator());
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//put(WindowType.ENCHANTMENT, new EnchantmentInventoryTranslator()); //TODO
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InventoryTranslator furnace = new FurnaceInventoryTranslator();
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@ -0,0 +1,120 @@
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/*
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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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*/
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package org.geysermc.connector.network.translators.inventory;
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import com.nukkitx.protocol.bedrock.data.ContainerId;
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import com.nukkitx.protocol.bedrock.data.InventoryActionData;
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import com.nukkitx.protocol.bedrock.data.InventorySource;
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import org.geysermc.connector.inventory.Inventory;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.network.translators.inventory.updater.CursorInventoryUpdater;
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import org.geysermc.connector.network.translators.inventory.updater.InventoryUpdater;
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import java.util.List;
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public class MerchantInventoryTranslator extends BaseInventoryTranslator {
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private final InventoryUpdater updater;
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public MerchantInventoryTranslator() {
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super(3);
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this.updater = new CursorInventoryUpdater();
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}
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@Override
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public int javaSlotToBedrock(int slot) {
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switch (slot) {
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case 0:
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return 4;
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case 1:
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return 5;
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case 2:
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return 50;
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}
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return super.javaSlotToBedrock(slot);
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}
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@Override
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public int bedrockSlotToJava(InventoryActionData action) {
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if (action.getSource().getContainerId() == ContainerId.CURSOR) {
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switch (action.getSlot()) {
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case 4:
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return 0;
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case 5:
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return 1;
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case 50:
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return 2;
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}
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}
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return super.bedrockSlotToJava(action);
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}
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@Override
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public SlotType getSlotType(int javaSlot) {
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if (javaSlot == 2) {
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return SlotType.OUTPUT;
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}
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return SlotType.NORMAL;
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}
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@Override
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public void prepareInventory(GeyserSession session, Inventory inventory) {
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}
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@Override
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public void openInventory(GeyserSession session, Inventory inventory) {
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}
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@Override
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public void closeInventory(GeyserSession session, Inventory inventory) {
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session.setLastInteractedVillagerEid(-1);
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session.setVillagerTrades(null);
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}
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@Override
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public void updateInventory(GeyserSession session, Inventory inventory) {
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updater.updateInventory(this, session, inventory);
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}
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@Override
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public void updateSlot(GeyserSession session, Inventory inventory, int slot) {
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updater.updateSlot(this, session, inventory, slot);
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}
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@Override
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public void translateActions(GeyserSession session, Inventory inventory, List<InventoryActionData> actions) {
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for (InventoryActionData action : actions) {
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if (action.getSource().getType() == InventorySource.Type.NON_IMPLEMENTED_TODO) {
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return;
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}
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}
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super.translateActions(session, inventory, actions);
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}
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}
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@ -385,5 +385,49 @@ public abstract class ItemTranslator {
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return null;
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}
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/**
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* Checks if an {@link ItemStack} is equal to another item stack
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*
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* @param itemStack the item stack to check
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* @param equalsItemStack the item stack to check if equal to
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* @param checkAmount if the amount should be taken into account
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* @param trueIfAmountIsGreater if this should return true if the amount of the
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* first item stack is greater than that of the second
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* @param checkNbt if NBT data should be checked
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* @return if an item stack is equal to another item stack
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*/
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public boolean equals(ItemStack itemStack, ItemStack equalsItemStack, boolean checkAmount, boolean trueIfAmountIsGreater, boolean checkNbt) {
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if (itemStack.getId() != equalsItemStack.getId()) {
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return false;
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}
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if (checkAmount) {
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if (trueIfAmountIsGreater) {
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if (itemStack.getAmount() < equalsItemStack.getAmount()) {
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return false;
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}
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} else {
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if (itemStack.getAmount() != equalsItemStack.getAmount()) {
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return false;
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}
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}
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}
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if (!checkNbt) {
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return true;
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}
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if ((itemStack.getNbt() == null || itemStack.getNbt().isEmpty()) && (equalsItemStack.getNbt() != null && !equalsItemStack.getNbt().isEmpty())) {
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return false;
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}
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if ((itemStack.getNbt() != null && !itemStack.getNbt().isEmpty() && (equalsItemStack.getNbt() == null || !equalsItemStack.getNbt().isEmpty()))) {
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return false;
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}
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if (itemStack.getNbt() != null && equalsItemStack.getNbt() != null) {
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return itemStack.getNbt().equals(equalsItemStack.getNbt());
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}
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return true;
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}
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}
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@ -0,0 +1,141 @@
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/*
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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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*/
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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.CompoundTagBuilder;
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import com.nukkitx.nbt.tag.CompoundTag;
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import com.nukkitx.protocol.bedrock.data.ContainerType;
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import com.nukkitx.protocol.bedrock.data.EntityData;
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import com.nukkitx.protocol.bedrock.data.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.setWindowId((short) packet.getWindowId());
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updateTradePacket.setWindowType((short) ContainerType.TRADING.id());
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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.setUnknownInt(0);
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updateTradePacket.setScreen2(true);
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updateTradePacket.setWilling(true);
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updateTradePacket.setPlayerUniqueEntityId(session.getPlayerEntity().getGeyserId());
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updateTradePacket.setTraderUniqueEntityId(session.getPlayerEntity().getGeyserId());
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CompoundTagBuilder builder = CompoundTagBuilder.builder();
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List<CompoundTag> tags = new ArrayList<>();
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for (VillagerTrade trade : packet.getTrades()) {
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CompoundTagBuilder recipe = CompoundTagBuilder.builder();
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recipe.intTag("maxUses", trade.getMaxUses());
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recipe.intTag("traderExp", trade.getXp());
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recipe.floatTag("priceMultiplierA", trade.getPriceMultiplier());
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recipe.tag(getItemTag(session, trade.getOutput(), "sell", 0));
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recipe.floatTag("priceMultiplierB", 0.0f);
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recipe.intTag("buyCountB", trade.getSecondInput() != null ? trade.getSecondInput().getAmount() : 0);
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recipe.intTag("buyCountA", trade.getFirstInput().getAmount());
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recipe.intTag("demand", trade.getDemand());
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recipe.intTag("tier", packet.getVillagerLevel() - 1);
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recipe.tag(getItemTag(session, trade.getFirstInput(), "buyA", trade.getSpecialPrice()));
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if (trade.getSecondInput() != null) {
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recipe.tag(getItemTag(session, trade.getSecondInput(), "buyB", 0));
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}
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recipe.intTag("uses", trade.getNumUses());
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recipe.byteTag("rewardExp", (byte) 1);
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tags.add(recipe.buildRootTag());
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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(CompoundTagBuilder.builder()
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.intTag("maxUses", 0)
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.intTag("traderExp", 0)
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.floatTag("priceMultiplierA", 0.0f)
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.floatTag("priceMultiplierB", 0.0f)
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.intTag("buyCountB", 0)
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.intTag("buyCountA", 0)
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.intTag("demand", 0)
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.intTag("tier", 5)
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.intTag("uses", 0)
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.byteTag("rewardExp", (byte) 0)
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.buildRootTag());
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}
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builder.listTag("Recipes", CompoundTag.class, tags);
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List<CompoundTag> expTags = new ArrayList<>();
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expTags.add(CompoundTagBuilder.builder().intTag("0", 0).buildRootTag());
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expTags.add(CompoundTagBuilder.builder().intTag("1", 10).buildRootTag());
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expTags.add(CompoundTagBuilder.builder().intTag("2", 70).buildRootTag());
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expTags.add(CompoundTagBuilder.builder().intTag("3", 150).buildRootTag());
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expTags.add(CompoundTagBuilder.builder().intTag("4", 250).buildRootTag());
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builder.listTag("TierExpRequirements", CompoundTag.class, expTags);
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updateTradePacket.setOffers(builder.buildRootTag());
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session.sendUpstreamPacket(updateTradePacket);
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}
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private CompoundTag getItemTag(GeyserSession session, ItemStack stack, String name, 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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CompoundTagBuilder builder = CompoundTagBuilder.builder();
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builder.byteTag("Count", (byte) (Math.max(itemData.getCount() + specialPrice, 1)));
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builder.shortTag("Damage", itemData.getDamage());
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builder.shortTag("id", (short) itemEntry.getBedrockId());
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if (itemData.getTag() != null) {
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CompoundTag tag = itemData.getTag().toBuilder().build("tag");
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builder.tag(tag);
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}
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return builder.build(name);
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}
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}
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