mirror of https://github.com/GeyserMC/Geyser.git
519 lines
23 KiB
Java
519 lines
23 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.util;
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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.data.game.recipe.Ingredient;
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import com.github.steveice10.mc.protocol.packet.ingame.serverbound.inventory.ServerboundPickItemPacket;
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import com.github.steveice10.mc.protocol.packet.ingame.serverbound.inventory.ServerboundSetCreativeModeSlotPacket;
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import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
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import org.checkerframework.checker.nullness.qual.Nullable;
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import org.cloudburstmc.math.vector.Vector3i;
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import org.cloudburstmc.nbt.NbtMap;
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import org.cloudburstmc.nbt.NbtMapBuilder;
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import org.cloudburstmc.nbt.NbtType;
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import org.cloudburstmc.protocol.bedrock.data.definitions.ItemDefinition;
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import org.cloudburstmc.protocol.bedrock.data.inventory.ContainerId;
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import org.cloudburstmc.protocol.bedrock.data.inventory.ItemData;
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import org.cloudburstmc.protocol.bedrock.packet.InventorySlotPacket;
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import org.cloudburstmc.protocol.bedrock.packet.PlayerHotbarPacket;
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import org.geysermc.geyser.GeyserImpl;
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import org.geysermc.geyser.inventory.Container;
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import org.geysermc.geyser.inventory.GeyserItemStack;
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import org.geysermc.geyser.inventory.Inventory;
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import org.geysermc.geyser.inventory.LecternContainer;
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import org.geysermc.geyser.inventory.PlayerInventory;
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import org.geysermc.geyser.inventory.click.Click;
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import org.geysermc.geyser.inventory.recipe.GeyserRecipe;
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import org.geysermc.geyser.inventory.recipe.GeyserShapedRecipe;
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import org.geysermc.geyser.inventory.recipe.GeyserShapelessRecipe;
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import org.geysermc.geyser.item.Items;
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import org.geysermc.geyser.level.BedrockDimension;
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import org.geysermc.geyser.registry.Registries;
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import org.geysermc.geyser.registry.type.ItemMapping;
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import org.geysermc.geyser.registry.type.ItemMappings;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.text.ChatColor;
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import org.geysermc.geyser.text.GeyserLocale;
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import org.geysermc.geyser.translator.inventory.InventoryTranslator;
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import org.geysermc.geyser.translator.inventory.LecternInventoryTranslator;
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import org.geysermc.geyser.translator.inventory.chest.DoubleChestInventoryTranslator;
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import org.jetbrains.annotations.Contract;
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import java.util.Arrays;
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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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import java.util.function.IntFunction;
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public class InventoryUtils {
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/**
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* Stores the last used recipe network ID. Since 1.16.200 (and for server-authoritative inventories),
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* each recipe needs a unique network ID (or else in .200 the client crashes).
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*/
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public static int LAST_RECIPE_NET_ID;
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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() || !session.getUpstream().isInitialized()) {
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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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// or - client hasn't yet loaded in; wait until inventory is shown
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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 && translator.prepareInventory(session, inventory)) {
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if (translator instanceof DoubleChestInventoryTranslator && !((Container) inventory).isUsingRealBlock()) {
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session.scheduleInEventLoop(() -> {
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Inventory openInv = session.getOpenInventory();
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if (openInv != null && openInv.getJavaId() == inventory.getJavaId()) {
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translator.openInventory(session, inventory);
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translator.updateInventory(session, inventory);
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openInv.setDisplayed(true);
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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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inventory.setDisplayed(true);
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}
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} else {
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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 javaId, 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, javaId);
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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.isDisplayed() && !inventory.isPending()
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&& !(translator instanceof LecternInventoryTranslator) // TODO: double-check
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) {
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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 @Nullable Inventory getInventory(GeyserSession session, int javaId) {
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if (javaId == 0) {
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// ugly hack: lecterns aren't their own inventory on Java, and can hence be closed with e.g. an id of 0
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if (session.getOpenInventory() instanceof LecternContainer) {
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return session.getOpenInventory();
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}
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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 && javaId == openInventory.getJavaId()) {
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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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/**
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* Finds a usable block space in the world to place a fake inventory block, and returns the position.
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*/
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@Nullable
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public static Vector3i findAvailableWorldSpace(GeyserSession session) {
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// Check if a fake block can be placed, either above the player or beneath.
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BedrockDimension dimension = session.getChunkCache().getBedrockDimension();
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int minY = dimension.minY(), maxY = minY + dimension.height();
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Vector3i flatPlayerPosition = session.getPlayerEntity().getPosition().toInt();
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Vector3i position = flatPlayerPosition.add(Vector3i.UP);
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if (position.getY() < minY) {
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return null;
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}
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if (position.getY() >= maxY) {
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position = flatPlayerPosition.sub(0, 4, 0);
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if (position.getY() >= maxY) {
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return null;
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}
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}
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return position;
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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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/**
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* Checks to see if an item stack represents air or has no count.
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*/
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@Contract("null -> true")
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public static boolean isEmpty(@Nullable ItemStack itemStack) {
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return itemStack == null || itemStack.getId() == Items.AIR_ID || itemStack.getAmount() <= 0;
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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 IntFunction<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 + GeyserLocale.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 protocolVersion -> ItemData.builder()
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.definition(getUnusableSpaceBlockDefinition(protocolVersion))
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.count(1)
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.tag(root.build()).build();
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}
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private static ItemDefinition getUnusableSpaceBlockDefinition(int protocolVersion) {
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ItemMappings mappings = Registries.ITEMS.forVersion(protocolVersion);
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String unusableSpaceBlock = GeyserImpl.getInstance().getConfig().getUnusableSpaceBlock();
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ItemDefinition itemDefinition = mappings.getDefinition(unusableSpaceBlock);
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if (itemDefinition == null) {
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GeyserImpl.getInstance().getLogger().error("Invalid value " + unusableSpaceBlock + ". Resorting to barrier block.");
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return mappings.getStoredItems().barrier().getBedrockDefinition();
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} else {
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return itemDefinition;
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}
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}
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public static IntFunction<ItemData> getUpgradeTemplate() {
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return protocolVersion -> ItemData.builder()
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.definition(Registries.ITEMS.forVersion(protocolVersion).getStoredItems().upgradeTemplate().getBedrockDefinition())
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.count(1).build();
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}
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/**
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* See {@link #findOrCreateItem(GeyserSession, String)}. This is for finding a specified {@link ItemStack}.
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*
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* @param session the Bedrock client's session
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* @param itemStack the item to try to find a match for. NBT will also be accounted for.
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*/
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public static void findOrCreateItem(GeyserSession session, ItemStack itemStack) {
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if (isEmpty(itemStack)) {
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return;
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}
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PlayerInventory inventory = session.getPlayerInventory();
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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 is the item we're looking for
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if (geyserItem.getJavaId() == itemStack.getId() && Objects.equals(geyserItem.getNbt(), itemStack.getNbt())) {
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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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}
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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 is the item we're looking for
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if (geyserItem.getJavaId() == itemStack.getId() && Objects.equals(geyserItem.getNbt(), itemStack.getNbt())) {
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ServerboundPickItemPacket packetToSend = new ServerboundPickItemPacket(i); // https://wiki.vg/Protocol#Pick_Item
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session.sendDownstreamGamePacket(packetToSend);
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return;
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}
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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 = findEmptyHotbarSlot(inventory);
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ServerboundSetCreativeModeSlotPacket actionPacket = new ServerboundSetCreativeModeSlotPacket(slot,
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itemStack);
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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.sendDownstreamGamePacket(actionPacket);
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}
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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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* <p>
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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.asItem().javaIdentifier().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.asItem().javaIdentifier().equals(itemName)) {
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continue;
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}
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ServerboundPickItemPacket packetToSend = new ServerboundPickItemPacket(i); // https://wiki.vg/Protocol#Pick_Item
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session.sendDownstreamGamePacket(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 = findEmptyHotbarSlot(inventory);
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ItemMapping mapping = session.getItemMappings().getMapping(itemName); // TODO
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if (mapping != null) {
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ServerboundSetCreativeModeSlotPacket actionPacket = new ServerboundSetCreativeModeSlotPacket(slot,
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new ItemStack(mapping.getJavaItem().javaId()));
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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.sendDownstreamGamePacket(actionPacket);
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} else {
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session.getGeyser().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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* @return the first empty slot found in this inventory, or else the player's currently held slot.
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*/
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private static int findEmptyHotbarSlot(PlayerInventory inventory) {
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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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return slot;
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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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@Nullable
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public static Click getClickForHotbarSwap(int slot) {
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return switch (slot) {
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case 0 -> Click.SWAP_TO_HOTBAR_1;
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case 1 -> Click.SWAP_TO_HOTBAR_2;
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case 2 -> Click.SWAP_TO_HOTBAR_3;
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case 3 -> Click.SWAP_TO_HOTBAR_4;
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case 4 -> Click.SWAP_TO_HOTBAR_5;
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case 5 -> Click.SWAP_TO_HOTBAR_6;
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case 6 -> Click.SWAP_TO_HOTBAR_7;
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case 7 -> Click.SWAP_TO_HOTBAR_8;
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case 8 -> Click.SWAP_TO_HOTBAR_9;
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default -> null;
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};
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}
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/**
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* Test all known recipes to find a valid match
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*
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* @param output if not null, the recipe has to output this item
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*/
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@Nullable
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public static GeyserRecipe getValidRecipe(final GeyserSession session, final @Nullable ItemStack output, final IntFunction<GeyserItemStack> inventoryGetter,
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final int gridDimensions, final int firstRow, final int height, final int firstCol, final int width) {
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int nonAirCount = 0; // Used for shapeless recipes for amount of items needed in recipe
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for (int row = firstRow; row < height + firstRow; row++) {
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for (int col = firstCol; col < width + firstCol; col++) {
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if (!inventoryGetter.apply(col + (row * gridDimensions) + 1).isEmpty()) {
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nonAirCount++;
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}
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}
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}
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recipes:
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for (GeyserRecipe recipe : session.getCraftingRecipes().values()) {
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if (recipe.isShaped()) {
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GeyserShapedRecipe shapedRecipe = (GeyserShapedRecipe) recipe;
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if (output != null && !shapedRecipe.result().equals(output)) {
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continue;
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}
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Ingredient[] ingredients = shapedRecipe.ingredients();
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if (shapedRecipe.width() != width || shapedRecipe.height() != height || width * height != ingredients.length) {
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continue;
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}
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if (!testShapedRecipe(ingredients, inventoryGetter, gridDimensions, firstRow, height, firstCol, width)) {
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Ingredient[] mirroredIngredients = new Ingredient[ingredients.length];
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for (int row = 0; row < height; row++) {
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for (int col = 0; col < width; col++) {
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mirroredIngredients[col + (row * width)] = ingredients[(width - 1 - col) + (row * width)];
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}
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}
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if (Arrays.equals(ingredients, mirroredIngredients) ||
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!testShapedRecipe(mirroredIngredients, inventoryGetter, gridDimensions, firstRow, height, firstCol, width)) {
|
|
continue;
|
|
}
|
|
}
|
|
} else {
|
|
GeyserShapelessRecipe data = (GeyserShapelessRecipe) recipe;
|
|
if (output != null && !data.result().equals(output)) {
|
|
continue;
|
|
}
|
|
if (nonAirCount != data.ingredients().length) {
|
|
// There is an amount of items on the crafting table that is not the same as the ingredient count so this is invalid
|
|
continue;
|
|
}
|
|
for (int i = 0; i < data.ingredients().length; i++) {
|
|
Ingredient ingredient = data.ingredients()[i];
|
|
for (ItemStack itemStack : ingredient.getOptions()) {
|
|
boolean inventoryHasItem = false;
|
|
// Iterate only over the crafting table to find this item
|
|
crafting:
|
|
for (int row = firstRow; row < height + firstRow; row++) {
|
|
for (int col = firstCol; col < width + firstCol; col++) {
|
|
GeyserItemStack geyserItemStack = inventoryGetter.apply(col + (row * gridDimensions) + 1);
|
|
if (geyserItemStack.isEmpty()) {
|
|
//noinspection ConstantValue
|
|
inventoryHasItem = itemStack == null || itemStack.getId() == 0;
|
|
if (inventoryHasItem) {
|
|
break crafting;
|
|
}
|
|
} else if (itemStack.equals(geyserItemStack.getItemStack(1))) {
|
|
inventoryHasItem = true;
|
|
break crafting;
|
|
}
|
|
}
|
|
}
|
|
if (!inventoryHasItem) {
|
|
continue recipes;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return recipe;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
@SuppressWarnings("BooleanMethodIsAlwaysInverted")
|
|
private static boolean testShapedRecipe(final Ingredient[] ingredients, final IntFunction<GeyserItemStack> inventoryGetter,
|
|
final int gridDimensions, final int firstRow, final int height, final int firstCol, final int width) {
|
|
int ingredientIndex = 0;
|
|
for (int row = firstRow; row < height + firstRow; row++) {
|
|
for (int col = firstCol; col < width + firstCol; col++) {
|
|
GeyserItemStack geyserItemStack = inventoryGetter.apply(col + (row * gridDimensions) + 1);
|
|
Ingredient ingredient = ingredients[ingredientIndex++];
|
|
if (ingredient.getOptions().length == 0) {
|
|
if (!geyserItemStack.isEmpty()) {
|
|
return false;
|
|
}
|
|
} else {
|
|
boolean inventoryHasItem = false;
|
|
for (ItemStack item : ingredient.getOptions()) {
|
|
if (Objects.equals(geyserItemStack.getItemStack(1), item)) {
|
|
inventoryHasItem = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!inventoryHasItem) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
}
|