mirror of
https://github.com/GeyserMC/Geyser.git
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214 lines
9.8 KiB
Java
214 lines
9.8 KiB
Java
/*
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* Copyright (c) 2019-2022 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.geyser.translator.inventory;
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import com.github.steveice10.mc.protocol.data.game.inventory.ContainerType;
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import com.github.steveice10.mc.protocol.packet.ingame.serverbound.inventory.ServerboundSelectTradePacket;
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import com.nukkitx.math.vector.Vector3f;
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import com.nukkitx.protocol.bedrock.data.entity.EntityData;
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import com.nukkitx.protocol.bedrock.data.entity.EntityLinkData;
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import com.nukkitx.protocol.bedrock.data.inventory.ContainerSlotType;
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import com.nukkitx.protocol.bedrock.data.inventory.ItemStackRequest;
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import com.nukkitx.protocol.bedrock.data.inventory.StackRequestSlotInfoData;
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import com.nukkitx.protocol.bedrock.data.inventory.stackrequestactions.AutoCraftRecipeStackRequestActionData;
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import com.nukkitx.protocol.bedrock.data.inventory.stackrequestactions.CraftRecipeStackRequestActionData;
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import com.nukkitx.protocol.bedrock.packet.ItemStackResponsePacket;
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import com.nukkitx.protocol.bedrock.packet.SetEntityLinkPacket;
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import com.nukkitx.protocol.bedrock.v486.Bedrock_v486;
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import org.geysermc.geyser.entity.type.Entity;
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import org.geysermc.geyser.entity.EntityDefinitions;
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import org.geysermc.geyser.inventory.Inventory;
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import org.geysermc.geyser.inventory.MerchantContainer;
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import org.geysermc.geyser.inventory.PlayerInventory;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.inventory.BedrockContainerSlot;
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import org.geysermc.geyser.inventory.SlotType;
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import org.geysermc.geyser.inventory.updater.InventoryUpdater;
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import org.geysermc.geyser.inventory.updater.UIInventoryUpdater;
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import org.geysermc.geyser.util.InventoryUtils;
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import java.util.concurrent.TimeUnit;
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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 = UIInventoryUpdater.INSTANCE;
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}
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@Override
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public int javaSlotToBedrock(int slot) {
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return switch (slot) {
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case 0 -> 4;
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case 1 -> 5;
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case 2 -> 50;
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default -> super.javaSlotToBedrock(slot);
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};
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}
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@Override
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public BedrockContainerSlot javaSlotToBedrockContainer(int slot) {
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return switch (slot) {
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case 0 -> new BedrockContainerSlot(ContainerSlotType.TRADE2_INGREDIENT1, 4);
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case 1 -> new BedrockContainerSlot(ContainerSlotType.TRADE2_INGREDIENT2, 5);
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case 2 -> new BedrockContainerSlot(ContainerSlotType.TRADE2_RESULT, 50);
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default -> super.javaSlotToBedrockContainer(slot);
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};
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}
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@Override
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public int bedrockSlotToJava(StackRequestSlotInfoData slotInfoData) {
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return switch (slotInfoData.getContainer()) {
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case TRADE2_INGREDIENT1 -> 0;
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case TRADE2_INGREDIENT2 -> 1;
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case TRADE2_RESULT, CREATIVE_OUTPUT -> 2;
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default -> super.bedrockSlotToJava(slotInfoData);
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};
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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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MerchantContainer merchantInventory = (MerchantContainer) inventory;
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if (merchantInventory.getVillager() == null) {
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long geyserId = session.getEntityCache().getNextEntityId().incrementAndGet();
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Vector3f pos = session.getPlayerEntity().getPosition().sub(0, 3, 0);
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Entity villager = new Entity(session, 0, geyserId, null, EntityDefinitions.VILLAGER, pos, Vector3f.ZERO, 0f, 0f, 0f) {
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@Override
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protected void initializeMetadata() {
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dirtyMetadata.put(EntityData.SCALE, 0f);
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dirtyMetadata.put(EntityData.BOUNDING_BOX_WIDTH, 0f);
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dirtyMetadata.put(EntityData.BOUNDING_BOX_HEIGHT, 0f);
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}
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};
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villager.spawnEntity();
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SetEntityLinkPacket linkPacket = new SetEntityLinkPacket();
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EntityLinkData.Type type = EntityLinkData.Type.PASSENGER;
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linkPacket.setEntityLink(new EntityLinkData(session.getPlayerEntity().getGeyserId(), geyserId, type, true, false));
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session.sendUpstreamPacket(linkPacket);
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merchantInventory.setVillager(villager);
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}
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}
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@Override
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public void openInventory(GeyserSession session, Inventory inventory) {
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//Handled in JavaMerchantOffersTranslator
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//TODO: send a blank inventory here in case the villager doesn't send a TradeList packet
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}
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@Override
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public void closeInventory(GeyserSession session, Inventory inventory) {
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MerchantContainer merchantInventory = (MerchantContainer) inventory;
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if (merchantInventory.getVillager() != null) {
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merchantInventory.getVillager().despawnEntity();
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}
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}
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@Override
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public ItemStackResponsePacket.Response translateCraftingRequest(GeyserSession session, Inventory inventory, ItemStackRequest request) {
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if (session.getUpstream().getProtocolVersion() < Bedrock_v486.V486_CODEC.getProtocolVersion()) {
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return super.translateCraftingRequest(session, inventory, request);
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}
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// Behavior as of 1.18.10.
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// We set the net ID to the trade index + 1. This doesn't appear to cause issues and means we don't have to
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// store a map of net ID to trade index on our end.
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int tradeChoice = ((CraftRecipeStackRequestActionData) request.getActions()[0]).getRecipeNetworkId() - 1;
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return handleTrade(session, inventory, request, tradeChoice);
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}
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@Override
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public ItemStackResponsePacket.Response translateAutoCraftingRequest(GeyserSession session, Inventory inventory, ItemStackRequest request) {
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if (session.getUpstream().getProtocolVersion() < Bedrock_v486.V486_CODEC.getProtocolVersion()) {
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// We're not crafting here
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// Called at least by consoles when pressing a trade option button
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return translateRequest(session, inventory, request);
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}
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// 1.18.10 update - seems impossible to call without consoles/controller input
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// We set the net ID to the trade index + 1. This doesn't appear to cause issues and means we don't have to
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// store a map of net ID to trade index on our end.
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int tradeChoice = ((AutoCraftRecipeStackRequestActionData) request.getActions()[0]).getRecipeNetworkId() - 1;
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return handleTrade(session, inventory, request, tradeChoice);
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}
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private ItemStackResponsePacket.Response handleTrade(GeyserSession session, Inventory inventory, ItemStackRequest request, int tradeChoice) {
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ServerboundSelectTradePacket packet = new ServerboundSelectTradePacket(tradeChoice);
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session.sendDownstreamPacket(packet);
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if (session.isEmulatePost1_14Logic()) {
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// 1.18 Java cooperates nicer than older versions
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if (inventory instanceof MerchantContainer merchantInventory) {
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merchantInventory.onTradeSelected(session, tradeChoice);
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}
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return translateRequest(session, inventory, request);
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} else {
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// 1.18 servers works fine without a workaround, but ViaVersion needs to work around 1.13 servers,
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// so we need to work around that with the delay. Specifically they force a window refresh after a
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// trade packet has been sent.
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session.scheduleInEventLoop(() -> {
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if (inventory instanceof MerchantContainer merchantInventory) {
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merchantInventory.onTradeSelected(session, tradeChoice);
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// Ignore output since we don't want to send a delayed response packet back to the client
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translateRequest(session, inventory, request);
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// Resync items once more
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updateInventory(session, inventory);
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InventoryUtils.updateCursor(session);
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}
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}, 100, TimeUnit.MILLISECONDS);
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// Revert this request, for now
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return rejectRequest(request);
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}
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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 Inventory createInventory(String name, int windowId, ContainerType containerType, PlayerInventory playerInventory) {
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return new MerchantContainer(name, windowId, this.size, containerType, playerInventory);
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}
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}
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