mirror of https://github.com/GeyserMC/Geyser.git
265 lines
12 KiB
Java
265 lines
12 KiB
Java
/*
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* Copyright (c) 2019-2021 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.utils;
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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.entity.player.GameMode;
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import com.github.steveice10.mc.protocol.packet.ingame.client.window.ClientCreativeInventoryActionPacket;
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import com.github.steveice10.mc.protocol.packet.ingame.client.window.ClientMoveItemToHotbarPacket;
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import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
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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.ContainerId;
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import com.nukkitx.protocol.bedrock.data.inventory.ItemData;
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import com.nukkitx.protocol.bedrock.packet.InventorySlotPacket;
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import com.nukkitx.protocol.bedrock.packet.PlayerHotbarPacket;
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import org.geysermc.connector.GeyserConnector;
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import org.geysermc.connector.common.ChatColor;
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import org.geysermc.connector.inventory.Container;
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import org.geysermc.connector.inventory.GeyserItemStack;
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import org.geysermc.connector.inventory.Inventory;
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import org.geysermc.connector.inventory.PlayerInventory;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.network.translators.inventory.InventoryTranslator;
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import org.geysermc.connector.network.translators.inventory.translators.LecternInventoryTranslator;
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import org.geysermc.connector.network.translators.inventory.translators.chest.DoubleChestInventoryTranslator;
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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 java.util.Collections;
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import java.util.Objects;
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import java.util.concurrent.TimeUnit;
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public class InventoryUtils {
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public static final ItemStack REFRESH_ITEM = new ItemStack(1, 127, new CompoundTag(""));
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public static void openInventory(GeyserSession session, Inventory inventory) {
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session.setOpenInventory(inventory);
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if (session.isClosingInventory()) {
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//Wait for close confirmation from client before opening the new inventory.
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//Handled in BedrockContainerCloseTranslator
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inventory.setPending(true);
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return;
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}
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displayInventory(session, inventory);
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}
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public static void displayInventory(GeyserSession session, Inventory inventory) {
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InventoryTranslator translator = session.getInventoryTranslator();
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if (translator != null) {
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translator.prepareInventory(session, inventory);
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if (translator instanceof DoubleChestInventoryTranslator && !((Container) inventory).isUsingRealBlock()) {
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GeyserConnector.getInstance().getGeneralThreadPool().schedule(() ->
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session.addInventoryTask(() -> {
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Inventory openInv = session.getOpenInventory();
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if (openInv != null && openInv.getId() == inventory.getId()) {
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translator.openInventory(session, inventory);
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translator.updateInventory(session, inventory);
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} else if (openInv != null && openInv.isPending()) {
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// Presumably, this inventory is no longer relevant, and the client doesn't care about it
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displayInventory(session, openInv);
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}
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}), 200, TimeUnit.MILLISECONDS);
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} else {
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translator.openInventory(session, inventory);
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translator.updateInventory(session, inventory);
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}
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} else {
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// Precaution - as of 1.16 every inventory should be translated so this shouldn't happen
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session.setOpenInventory(null);
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}
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}
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public static void closeInventory(GeyserSession session, int windowId, boolean confirm) {
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session.getPlayerInventory().setCursor(GeyserItemStack.EMPTY, session);
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updateCursor(session);
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Inventory inventory = getInventory(session, windowId);
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if (inventory != null) {
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InventoryTranslator translator = session.getInventoryTranslator();
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translator.closeInventory(session, inventory);
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if (confirm && !inventory.isPending() && !(translator instanceof LecternInventoryTranslator)) {
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session.setClosingInventory(true);
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}
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}
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session.setInventoryTranslator(InventoryTranslator.PLAYER_INVENTORY_TRANSLATOR);
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session.setOpenInventory(null);
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}
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public static Inventory getInventory(GeyserSession session, int windowId) {
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if (windowId == 0) {
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return session.getPlayerInventory();
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} else {
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Inventory openInventory = session.getOpenInventory();
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if (openInventory != null && windowId == openInventory.getId()) {
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return openInventory;
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}
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return null;
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}
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}
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public static void updateCursor(GeyserSession session) {
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InventorySlotPacket cursorPacket = new InventorySlotPacket();
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cursorPacket.setContainerId(ContainerId.UI);
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cursorPacket.setSlot(0);
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cursorPacket.setItem(session.getPlayerInventory().getCursor().getItemData(session));
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session.sendUpstreamPacket(cursorPacket);
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}
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public static boolean canStack(GeyserItemStack item1, GeyserItemStack item2) {
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if (item1.isEmpty() || item2.isEmpty())
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return false;
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return item1.getJavaId() == item2.getJavaId() && Objects.equals(item1.getNbt(), item2.getNbt());
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}
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public static boolean canStack(ItemStack item1, ItemStack item2) {
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if (item1 == null || item2 == null)
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return false;
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return item1.getId() == item2.getId() && Objects.equals(item1.getNbt(), item2.getNbt());
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}
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public static boolean canStack(ItemData item1, ItemData item2) {
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if (item1 == null || item2 == null)
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return false;
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return item1.equals(item2, false, true, true);
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}
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/**
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* Returns a barrier block with custom name and lore to explain why
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* part of the inventory is unusable.
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*
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* @param description the description
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* @return the unusable space block
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*/
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public static ItemData createUnusableSpaceBlock(String description) {
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NbtMapBuilder root = NbtMap.builder();
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NbtMapBuilder display = NbtMap.builder();
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// Not ideal to use log here but we dont get a session
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display.putString("Name", ChatColor.RESET + LanguageUtils.getLocaleStringLog("geyser.inventory.unusable_item.name"));
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display.putList("Lore", NbtType.STRING, Collections.singletonList(ChatColor.RESET + ChatColor.DARK_PURPLE + description));
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root.put("display", display.build());
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return ItemData.builder()
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.id(ItemRegistry.ITEM_ENTRIES.get(ItemRegistry.BARRIER_INDEX).getBedrockId())
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.count(1)
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.tag(root.build()).build();
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}
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/**
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* Attempt to find the specified item name in the session's inventory.
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* If it is found and in the hotbar, set the user's held item to that slot.
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* If it is found in another part of the inventory, move it.
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* If it is not found and the user is in creative mode, create the item,
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* overriding the current item slot if no other hotbar slots are empty, or otherwise selecting the empty slot.
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*
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* This attempts to mimic Java Edition behavior as best as it can.
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* @param session the Bedrock client's session
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* @param itemName the Java identifier of the item to search/select
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*/
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public static void findOrCreateItem(GeyserSession session, String itemName) {
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// Get the inventory to choose a slot to pick
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PlayerInventory inventory = session.getPlayerInventory();
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if (itemName.equals("minecraft:air")) {
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return;
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}
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// Check hotbar for item
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for (int i = 36; i < 45; i++) {
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GeyserItemStack geyserItem = inventory.getItem(i);
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if (geyserItem.isEmpty()) {
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continue;
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}
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// If this isn't the item we're looking for
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if (!geyserItem.getItemEntry().getJavaIdentifier().equals(itemName)) {
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continue;
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}
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setHotbarItem(session, i);
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// Don't check inventory if item was in hotbar
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return;
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}
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// Check inventory for item
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for (int i = 9; i < 36; i++) {
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GeyserItemStack geyserItem = inventory.getItem(i);
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if (geyserItem.isEmpty()) {
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continue;
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}
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// If this isn't the item we're looking for
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if (!geyserItem.getItemEntry().getJavaIdentifier().equals(itemName)) {
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continue;
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}
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ClientMoveItemToHotbarPacket packetToSend = new ClientMoveItemToHotbarPacket(i); // https://wiki.vg/Protocol#Pick_Item
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session.sendDownstreamPacket(packetToSend);
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return;
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}
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// If we still have not found the item, and we're in creative, ask for the item from the server.
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if (session.getGameMode() == GameMode.CREATIVE) {
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int slot = inventory.getHeldItemSlot() + 36;
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if (!inventory.getItemInHand().isEmpty()) { // Otherwise we should just use the current slot
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for (int i = 36; i < 45; i++) {
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if (inventory.getItem(i).isEmpty()) {
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slot = i;
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break;
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}
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}
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}
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ItemEntry entry = ItemRegistry.getItemEntry(itemName);
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if (entry != null) {
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ClientCreativeInventoryActionPacket actionPacket = new ClientCreativeInventoryActionPacket(slot,
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new ItemStack(entry.getJavaId()));
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if ((slot - 36) != inventory.getHeldItemSlot()) {
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setHotbarItem(session, slot);
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}
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session.sendDownstreamPacket(actionPacket);
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} else {
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session.getConnector().getLogger().debug("Cannot find item for block " + itemName);
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}
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}
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}
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/**
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* Changes the held item slot to the specified slot
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* @param session GeyserSession
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* @param slot inventory slot to be selected
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*/
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private static void setHotbarItem(GeyserSession session, int slot) {
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PlayerHotbarPacket hotbarPacket = new PlayerHotbarPacket();
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hotbarPacket.setContainerId(0);
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// Java inventory slot to hotbar slot ID
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hotbarPacket.setSelectedHotbarSlot(slot - 36);
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hotbarPacket.setSelectHotbarSlot(true);
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session.sendUpstreamPacket(hotbarPacket);
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// No need to send a Java packet as Bedrock sends a confirmation packet back that we translate
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}
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}
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