Mirror von
https://github.com/ViaVersion/ViaBackwards.git
synchronisiert 2024-12-24 15:20:19 +01:00
Dieser Commit ist enthalten in:
Ursprung
9fe9cd3a8a
Commit
30a3a4fb89
@ -25,6 +25,7 @@ import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.packets.BlockItemPackets1_17;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.packets.BlockItemPackets1_17;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.packets.EntityPackets1_17;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.packets.EntityPackets1_17;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.storage.PingRequests;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.storage.PingRequests;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.storage.PlayerLastCursorItem;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import com.viaversion.viaversion.api.minecraft.RegistryType;
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import com.viaversion.viaversion.api.minecraft.RegistryType;
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import com.viaversion.viaversion.api.minecraft.TagData;
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import com.viaversion.viaversion.api.minecraft.TagData;
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@ -249,6 +250,7 @@ public final class Protocol1_16_4To1_17 extends BackwardsProtocol<ClientboundPac
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public void init(UserConnection user) {
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public void init(UserConnection user) {
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addEntityTracker(user, new EntityTrackerBase(user, Entity1_17Types.PLAYER));
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addEntityTracker(user, new EntityTrackerBase(user, Entity1_17Types.PLAYER));
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user.put(new PingRequests());
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user.put(new PingRequests());
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user.put(new PlayerLastCursorItem());
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}
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}
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@Override
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@Override
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@ -23,10 +23,12 @@ import com.viaversion.viabackwards.api.rewriters.MapColorRewriter;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.Protocol1_16_4To1_17;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.Protocol1_16_4To1_17;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.data.MapColorRewrites;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.data.MapColorRewrites;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.storage.PingRequests;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.storage.PingRequests;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.storage.PlayerLastCursorItem;
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import com.viaversion.viaversion.api.data.entity.EntityTracker;
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import com.viaversion.viaversion.api.data.entity.EntityTracker;
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import com.viaversion.viaversion.api.minecraft.BlockChangeRecord;
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import com.viaversion.viaversion.api.minecraft.BlockChangeRecord;
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import com.viaversion.viaversion.api.minecraft.chunks.Chunk;
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import com.viaversion.viaversion.api.minecraft.chunks.Chunk;
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import com.viaversion.viaversion.api.minecraft.chunks.ChunkSection;
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import com.viaversion.viaversion.api.minecraft.chunks.ChunkSection;
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import com.viaversion.viaversion.api.minecraft.item.Item;
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import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
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import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
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import com.viaversion.viaversion.api.protocol.remapper.PacketRemapper;
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import com.viaversion.viaversion.api.protocol.remapper.PacketRemapper;
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import com.viaversion.viaversion.api.type.Type;
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import com.viaversion.viaversion.api.type.Type;
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@ -64,7 +66,6 @@ public final class BlockItemPackets1_17 extends ItemRewriter<Protocol1_16_4To1_1
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registerSetCooldown(ClientboundPackets1_17.COOLDOWN);
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registerSetCooldown(ClientboundPackets1_17.COOLDOWN);
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registerWindowItems(ClientboundPackets1_17.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
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registerWindowItems(ClientboundPackets1_17.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
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registerSetSlot(ClientboundPackets1_17.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
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registerEntityEquipmentArray(ClientboundPackets1_17.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
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registerEntityEquipmentArray(ClientboundPackets1_17.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
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registerTradeList(ClientboundPackets1_17.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
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registerTradeList(ClientboundPackets1_17.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
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registerAdvancements(ClientboundPackets1_17.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
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registerAdvancements(ClientboundPackets1_17.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
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@ -82,24 +83,87 @@ public final class BlockItemPackets1_17 extends ItemRewriter<Protocol1_16_4To1_1
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}
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}
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});
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});
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//TODO This will cause desync issues for players under certain circumstances, but mostly works:tm:
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// TODO Since the carried and modified items are typically set incorrectly, the server sends unnecessary
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// set slot packets after practically every window click, since it thinks the client and server
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// inventories are desynchronized. Ideally, we want to store a replica of each container state, and update
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// it appropriately for both serverbound and clientbound window packets, then fill in the carried
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// and modified items array as appropriate here. That would be a ton of work and replicated vanilla code,
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// and the hack below mitigates the worst side effects of this issue, which is an incorrect carried item
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// sent to the client when a right/left click drag is started. It works, at least for now...
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protocol.registerServerbound(ServerboundPackets1_16_2.CLICK_WINDOW, new PacketRemapper() {
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protocol.registerServerbound(ServerboundPackets1_16_2.CLICK_WINDOW, new PacketRemapper() {
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@Override
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@Override
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public void registerMap() {
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public void registerMap() {
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map(Type.UNSIGNED_BYTE); // Window Id
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map(Type.UNSIGNED_BYTE);
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map(Type.SHORT); // Slot
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map(Type.BYTE); // Button
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map(Type.SHORT, Type.NOTHING); // Action id - removed
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map(Type.VAR_INT); // Mode
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handler(wrapper -> {
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handler(wrapper -> {
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short slot = wrapper.passthrough(Type.SHORT); // Slot
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byte button = wrapper.passthrough(Type.BYTE); // Button
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wrapper.read(Type.SHORT); // Action id - removed
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int mode = wrapper.passthrough(Type.VAR_INT); // Mode
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Item clicked = handleItemToServer(wrapper.read(Type.FLAT_VAR_INT_ITEM)); // Clicked item
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// The 1.17 client would check the entire inventory for changes before -> after a click and send the changed slots here
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// The 1.17 client would check the entire inventory for changes before -> after a click and send the changed slots here
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wrapper.write(Type.VAR_INT, 0); // Empty array of slot+item
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wrapper.write(Type.VAR_INT, 0); // Empty array of slot+item
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// Expected is the carried item after clicking, old clients send the clicked one (*mostly* being the same)
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PlayerLastCursorItem state = wrapper.user().get(PlayerLastCursorItem.class);
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handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM));
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if (mode == 0 && button == 0 && clicked != null) {
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// Left click PICKUP
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// Carried item will (usually) be the entire clicked stack
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state.setLastCursorItem(clicked);
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} else if (mode == 0 && button == 1 && clicked != null) {
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// Right click PICKUP
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// Carried item will (usually) be half of the clicked stack (rounding up)
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// if the clicked slot is empty, otherwise it will (usually) be the whole clicked stack
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if (state.isSet()) {
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state.setLastCursorItem(clicked);
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} else {
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state.setLastCursorItem(clicked, (clicked.amount() + 1) / 2);
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}
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} else if (mode == 5 && slot == -999 && (button == 0 || button == 4)) {
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// Start drag (left or right click)
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// Preserve guessed carried item and forward to server
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// This mostly fixes the click and drag ghost item issue
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// no-op
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} else {
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// Carried item unknown (TODO)
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state.setLastCursorItem(null);
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}
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Item carried = state.getLastCursorItem();
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if (carried == null) {
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// Expected is the carried item after clicking, old clients send the clicked one (*mostly* being the same)
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wrapper.write(Type.FLAT_VAR_INT_ITEM, clicked);
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} else {
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wrapper.write(Type.FLAT_VAR_INT_ITEM, carried);
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}
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});
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});
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}
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}
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});
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});
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protocol.registerClientbound(ClientboundPackets1_17.SET_SLOT, new PacketRemapper() {
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@Override
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public void registerMap() {
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handler(wrapper -> {
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short windowId = wrapper.passthrough(Type.UNSIGNED_BYTE);
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short slot = wrapper.passthrough(Type.SHORT);
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Item carried = wrapper.read(Type.FLAT_VAR_INT_ITEM);
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if (carried != null && windowId == -1 && slot == -1) {
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// This is related to the hack to fix click and drag ghost items above.
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// After a completed drag, we have no idea how many items remain on the cursor,
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// and vanilla logic replication would be required to calculate the value.
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// When the click drag complete packet is sent, we will send an incorrect
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// carried item, and the server will helpfully send this packet allowing us
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// to update the internal state. This is necessary for fixing multiple sequential
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// click drag actions without intermittent pickup actions.
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wrapper.user().get(PlayerLastCursorItem.class).setLastCursorItem(carried);
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}
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wrapper.write(Type.FLAT_VAR_INT_ITEM, handleItemToClient(carried));
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});
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}
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});
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protocol.registerServerbound(ServerboundPackets1_16_2.WINDOW_CONFIRMATION, null, new PacketRemapper() {
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protocol.registerServerbound(ServerboundPackets1_16_2.WINDOW_CONFIRMATION, null, new PacketRemapper() {
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@Override
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@Override
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public void registerMap() {
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public void registerMap() {
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@ -0,0 +1,52 @@
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/*
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* This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
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* Copyright (C) 2016-2022 ViaVersion and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.storage;
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import com.viaversion.viaversion.api.connection.StorableObject;
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import com.viaversion.viaversion.api.minecraft.item.DataItem;
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import com.viaversion.viaversion.api.minecraft.item.Item;
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public class PlayerLastCursorItem implements StorableObject {
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private Item lastCursorItem;
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public Item getLastCursorItem() {
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return copyItem(lastCursorItem);
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}
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public void setLastCursorItem(Item item) {
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this.lastCursorItem = copyItem(item);
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}
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public void setLastCursorItem(Item item, int amount) {
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this.lastCursorItem = copyItem(item);
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this.lastCursorItem.setAmount(amount);
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}
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public boolean isSet() {
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return lastCursorItem != null;
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}
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private static Item copyItem(Item item) {
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if (item == null) {
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return null;
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}
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Item copy = new DataItem(item);
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copy.setTag(copy.tag() == null ? null : copy.tag().clone());
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return copy;
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}
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}
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@ -18,6 +18,7 @@
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package com.viaversion.viabackwards.protocol.protocol1_17to1_17_1;
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package com.viaversion.viabackwards.protocol.protocol1_17to1_17_1;
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import com.viaversion.viabackwards.api.BackwardsProtocol;
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import com.viaversion.viabackwards.api.BackwardsProtocol;
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import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.storage.PlayerLastCursorItem;
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import com.viaversion.viabackwards.protocol.protocol1_17to1_17_1.storage.InventoryStateIds;
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import com.viaversion.viabackwards.protocol.protocol1_17to1_17_1.storage.InventoryStateIds;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import com.viaversion.viaversion.api.minecraft.item.Item;
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import com.viaversion.viaversion.api.minecraft.item.Item;
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@ -91,7 +92,17 @@ public final class Protocol1_17To1_17_1 extends BackwardsProtocol<ClientboundPac
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wrapper.write(Type.FLAT_VAR_INT_ITEM_ARRAY, wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT));
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wrapper.write(Type.FLAT_VAR_INT_ITEM_ARRAY, wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT));
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// Carried item - should work without adding it to the array above
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// Carried item - should work without adding it to the array above
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wrapper.read(Type.FLAT_VAR_INT_ITEM);
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Item carried = wrapper.read(Type.FLAT_VAR_INT_ITEM);
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PlayerLastCursorItem lastCursorItem = wrapper.user().get(PlayerLastCursorItem.class);
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if (lastCursorItem != null) {
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// For click drag ghost item fix -- since the state ID is always wrong,
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// the server always resends the entire window contents after a drag action,
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// which is useful since we need to update the carried item in preparation
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// for a subsequent drag
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lastCursorItem.setLastCursorItem(carried);
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}
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});
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});
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}
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}
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});
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});
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