118 Zeilen
5.3 KiB
Java
118 Zeilen
5.3 KiB
Java
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/*
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This file is a part of the SteamWar software.
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Copyright (C) 2021 SteamWar.de-Serverteam
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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 Affero 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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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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package de.steamwar.fightsystem.utils;
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import com.comphenix.tinyprotocol.Reflection;
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import com.mojang.datafixers.util.Pair;
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import de.steamwar.fightsystem.Config;
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import de.steamwar.fightsystem.record.REntity;
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import net.minecraft.network.protocol.game.PacketPlayOutBlockBreak;
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import net.minecraft.world.entity.EntityTypes;
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import net.minecraft.world.level.block.entity.TileEntityTypes;
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import net.minecraft.world.level.block.state.IBlockData;
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import org.bukkit.entity.EntityType;
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import org.bukkit.entity.Player;
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import java.util.Collections;
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import java.util.List;
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import java.util.function.BiFunction;
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import java.util.function.UnaryOperator;
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public class ProtocolWrapper18 implements ProtocolWrapper {
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private static final Reflection.FieldAccessor<List> equipmentStack = Reflection.getField(REntity.equipmentPacket, List.class, 0);
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@Override
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public void setEquipmentPacketStack(Object packet, String slot, Object stack) {
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equipmentStack.set(packet, Collections.singletonList(new Pair<>(getSlot(slot), stack)));
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}
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private static final Reflection.FieldAccessor<?> spawnType = Reflection.getField(REntity.spawnPacket, EntityTypes.class, 0);
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@Override
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public void setSpawnPacketType(Object packet, EntityType type) {
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switch(type) {
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case PRIMED_TNT:
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spawnType.set(packet, EntityTypes.as);
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break;
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case ARROW:
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spawnType.set(packet, EntityTypes.d);
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break;
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case FIREBALL:
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spawnType.set(packet, EntityTypes.S);
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break;
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}
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}
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private static final Class<?> enumItemSlot = Reflection.getClass("{nms.world.entity}.EnumItemSlot");
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private static final Object[] itemSlots = enumItemSlot.getEnumConstants();
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private static Object getSlot(String slot) {
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switch(slot){
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case "HEAD":
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return itemSlots[5];
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case "CHEST":
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return itemSlots[4];
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case "LEGS":
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return itemSlots[3];
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case "FEET":
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return itemSlots[2];
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case "OFFHAND":
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return itemSlots[1];
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case "MAINHAND":
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default:
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return itemSlots[0];
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}
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}
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private static final Class<?> sectionPosition = Reflection.getClass("{nms.core}.SectionPosition");
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private static final Reflection.FieldAccessor<?> multiBlockChangeChunk = Reflection.getField(TechHider.multiBlockChangePacket, sectionPosition, 0);
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private static final Class<?> iBlockDataArray = Reflection.getClass("[L{nms.world.level.block.state}.IBlockData;");
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private static final Reflection.FieldAccessor<?> multiBlockChangeBlocks = Reflection.getField(TechHider.multiBlockChangePacket, iBlockDataArray, 0);
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private static final BiFunction<Object, UnaryOperator<Object>, Object> iBlockDataArrayCloner = ProtocolAPI.arrayCloneGenerator(TechHider.iBlockData);
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@Override
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public Object multiBlockChangeHider(Player p, Object packet) {
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Object chunkCoords = multiBlockChangeChunk.get(packet);
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if(TechHider.bypass(p, TechHider.blockPositionX.get(chunkCoords), TechHider.blockPositionZ.get(chunkCoords)))
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return packet;
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Object modpacket = TechHider.multiBlockChangeCloner.apply(packet);
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multiBlockChangeBlocks.set(modpacket, iBlockDataArrayCloner.apply(multiBlockChangeBlocks.get(modpacket), block -> Config.HiddenBlocks.contains(TechHider.getMaterialByIBlockData(block).name().toLowerCase()) ? TechHider.obfuscateIBlockData : block));
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return modpacket;
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}
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private static final Reflection.FieldAccessor<TileEntityTypes> tileEntityType = Reflection.getField(TechHider.tileEntityDataPacket, TileEntityTypes.class, 0);
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@Override
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public boolean unfilteredTileEntityDataAction(Object packet) {
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return tileEntityType.get(packet) != TileEntityTypes.h;
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}
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@Override
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public BiFunction<Player, Object, Object> blockBreakHiderGenerator(Class<?> blockBreakPacket) {
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return (p, packet) -> {
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PacketPlayOutBlockBreak breakPacket = (PacketPlayOutBlockBreak) packet;
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if(TechHider.bypass(p, TechHider.posToChunk(TechHider.blockPositionX.get(breakPacket.b())), TechHider.posToChunk(TechHider.blockPositionZ.get(breakPacket.b()))))
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return packet;
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if(!Config.HiddenBlocks.contains(TechHider.getMaterialByIBlockData(breakPacket.c()).name().toLowerCase()))
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return packet;
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return new PacketPlayOutBlockBreak(breakPacket.b(), (IBlockData) TechHider.obfuscateIBlockData, breakPacket.d(), breakPacket.a());
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};
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}
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}
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