/* * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion * Copyright (C) 2016-2024 ViaVersion and contributors * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ package com.viaversion.viaversion.protocols.protocol1_12to1_11_1.packets; import com.viaversion.viaversion.api.Via; import com.viaversion.viaversion.api.minecraft.item.Item; import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers; import com.viaversion.viaversion.api.type.Type; import com.viaversion.viaversion.protocols.protocol1_12to1_11_1.Protocol1_12To1_11_1; import com.viaversion.viaversion.protocols.protocol1_12to1_11_1.ServerboundPackets1_12; import com.viaversion.viaversion.protocols.protocol1_12to1_11_1.providers.InventoryQuickMoveProvider; import com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.ClientboundPackets1_9_3; import com.viaversion.viaversion.rewriter.ItemRewriter; import org.checkerframework.checker.nullness.qual.Nullable; public class InventoryPackets extends ItemRewriter { public InventoryPackets(Protocol1_12To1_11_1 protocol) { super(protocol, Type.ITEM1_8, Type.ITEM1_8_SHORT_ARRAY); } @Override public void registerPackets() { registerSetSlot(ClientboundPackets1_9_3.SET_SLOT); registerWindowItems(ClientboundPackets1_9_3.WINDOW_ITEMS); registerEntityEquipment(ClientboundPackets1_9_3.ENTITY_EQUIPMENT); // Plugin message -> Trading protocol.registerClientbound(ClientboundPackets1_9_3.PLUGIN_MESSAGE, new PacketHandlers() { @Override public void register() { map(Type.STRING); // 0 - Channel handler(wrapper -> { if (wrapper.get(Type.STRING, 0).equalsIgnoreCase("MC|TrList")) { wrapper.passthrough(Type.INT); // Passthrough Window ID int size = wrapper.passthrough(Type.UNSIGNED_BYTE); for (int i = 0; i < size; i++) { handleItemToClient(wrapper.passthrough(Type.ITEM1_8)); // Input Item handleItemToClient(wrapper.passthrough(Type.ITEM1_8)); // Output Item boolean secondItem = wrapper.passthrough(Type.BOOLEAN); // Has second item if (secondItem) { handleItemToClient(wrapper.passthrough(Type.ITEM1_8)); // Second Item } wrapper.passthrough(Type.BOOLEAN); // Trade disabled wrapper.passthrough(Type.INT); // Number of tools uses wrapper.passthrough(Type.INT); // Maximum number of trade uses } } }); } }); protocol.registerServerbound(ServerboundPackets1_12.CLICK_WINDOW, new PacketHandlers() { @Override public void register() { map(Type.UNSIGNED_BYTE); // 0 - Window ID map(Type.SHORT); // 1 - Slot map(Type.BYTE); // 2 - Button map(Type.SHORT); // 3 - Action number map(Type.VAR_INT); // 4 - Mode map(Type.ITEM1_8); // 5 - Clicked Item handler(wrapper -> { Item item = wrapper.get(Type.ITEM1_8, 0); if (!Via.getConfig().is1_12QuickMoveActionFix()) { handleItemToServer(item); return; } byte button = wrapper.get(Type.BYTE, 0); int mode = wrapper.get(Type.VAR_INT, 0); // QUICK_MOVE PATCH (Shift + (click/double click)) if (mode == 1 && button == 0 && item == null) { short windowId = wrapper.get(Type.UNSIGNED_BYTE, 0); short slotId = wrapper.get(Type.SHORT, 0); short actionId = wrapper.get(Type.SHORT, 1); InventoryQuickMoveProvider provider = Via.getManager().getProviders().get(InventoryQuickMoveProvider.class); boolean succeed = provider.registerQuickMoveAction(windowId, slotId, actionId, wrapper.user()); if (succeed) { wrapper.cancel(); } // otherwise just pass through so the server sends the PacketPlayOutTransaction packet. } else { handleItemToServer(item); } }); } } ); registerCreativeInvAction(ServerboundPackets1_12.CREATIVE_INVENTORY_ACTION); } @Override public Item handleItemToServer(Item item) { if (item == null) return null; if (item.identifier() == 355) { // Bed rewrite item.setData((short) 0); } boolean newItem = item.identifier() >= 235 && item.identifier() <= 252; newItem |= item.identifier() == 453; if (newItem) { // Replace server-side unknown items item.setIdentifier(1); item.setData((short) 0); } return item; } @Override public @Nullable Item handleItemToClient(@Nullable Item item) { if (item == null) return null; if (item.identifier() == 355) { // Bed rewrite item.setData((short) 14); } return item; } }