SteamWar/BauSystem2.0
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BauSystem2.0/BauSystem_20/src/de/steamwar/bausystem/utils/NMSWrapper20.java

179 Zeilen
7.1 KiB
Java

/*
* This file is a part of the SteamWar software.
*
* Copyright (C) 2022 SteamWar.de-Serverteam
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.steamwar.bausystem.utils;
import com.comphenix.tinyprotocol.Reflection;
import com.comphenix.tinyprotocol.TinyProtocol;
import de.steamwar.bausystem.features.util.NoClipCommand;
import net.minecraft.SystemUtils;
import net.minecraft.nbt.NBTBase;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.network.protocol.Packet;
import net.minecraft.network.protocol.game.*;
import net.minecraft.network.syncher.DataWatcher;
import net.minecraft.server.level.PlayerInteractManager;
import net.minecraft.world.level.EnumGamemode;
import net.minecraft.world.phys.Vec3D;
import org.bukkit.Bukkit;
import org.bukkit.GameMode;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.craftbukkit.v1_20_R1.entity.CraftEntity;
import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
import org.bukkit.craftbukkit.v1_20_R1.inventory.CraftItemStack;
import org.bukkit.entity.Player;
import org.bukkit.entity.TNTPrimed;
import org.bukkit.inventory.ItemStack;
import java.util.ArrayList;
import java.util.List;
import java.util.function.LongSupplier;
public class NMSWrapper20 implements NMSWrapper {
private static final Reflection.FieldAccessor<EnumGamemode> playerGameMode = Reflection.getField(PlayerInteractManager.class, EnumGamemode.class, 0);
@Override
@SuppressWarnings("deprecation")
public void setInternalGameMode(Player player, GameMode gameMode) {
playerGameMode.set(((CraftPlayer) player).getHandle().e, EnumGamemode.a(gameMode.getValue()));
}
@Override
public void setSlotToItemStack(Player player, Object o) {
PacketPlayInSetCreativeSlot packetPlayInSetCreativeSlot = (PacketPlayInSetCreativeSlot) o;
int index = packetPlayInSetCreativeSlot.a();
if (index >= 36 && index <= 44) {
index -= 36;
} else if (index > 44) {
index -= 5;
} else if (index <= 8) {
index = index - 8 + 36;
}
player.getInventory().setItem(index, CraftItemStack.asBukkitCopy(packetPlayInSetCreativeSlot.c()));
if (index < 9) player.getInventory().setHeldItemSlot(index);
player.updateInventory();
}
@Override
public void init(LongSupplier longSupplier) {
SystemUtils.a = () -> System.nanoTime() + longSupplier.getAsLong();
}
private static final List<Packet<?>> packets = new ArrayList<>();
private static final Vec3D noMotion = new Vec3D(0, 0, 0);
@Override
public void createTickCache(World world) {
packets.clear();
world.getEntities().stream().filter(entity -> !(entity instanceof Player)).forEach(entity -> {
packets.add(new PacketPlayOutEntityVelocity(entity.getEntityId(), noMotion));
packets.add(new PacketPlayOutEntityTeleport(((CraftEntity) entity).getHandle()));
if (entity instanceof TNTPrimed) {
net.minecraft.world.entity.Entity serverEntity = ((CraftEntity) entity).getHandle();
List<DataWatcher.b<?>> list = serverEntity.aj().c();
if(list != null)
packets.add(new PacketPlayOutEntityMetadata(serverEntity.af(), list));
}
});
}
@Override
public void sendTickPackets() {
Bukkit.getOnlinePlayers().forEach(player -> {
for (Packet<?> p : packets) {
TinyProtocol.instance.sendPacket(player, p);
}
});
}
private static final Reflection.FieldAccessor<PacketPlayOutGameStateChange.a> gameStateChangeReason = Reflection.getField(NoClipCommand.gameStateChange, PacketPlayOutGameStateChange.a.class, 12);
@Override
public void setGameStateChangeReason(Object packet) {
gameStateChangeReason.set(packet, PacketPlayOutGameStateChange.d);
}
@Override
public void setPlayerBuildAbilities(Player player) {
((CraftPlayer) player).getHandle().fO().d = true;
((CraftPlayer) player).getHandle().fO().e = true;
}
@Override
public Material pathMaterial() {
return Material.DIRT_PATH;
}
private static final int threshold = 2048;
@Override
public boolean checkItemStack(ItemStack item) {
net.minecraft.world.item.ItemStack nmsItem = CraftItemStack.asNMSCopy(item);
NBTTagCompound tag = nmsItem.v();
if (tag != null && tag.e("BlockEntityTag")) {
NBTTagCompound blockTag = tag.p("BlockEntityTag");
if (blockTag.e("Items")) {
return drillDown(blockTag.c("Items", 10), 0, 0) > threshold;
}
}
return false;
}
private int drillDown(NBTTagList items, int layer, int start) {
if (layer > 2) return start + threshold;
int invalid = start;
for (NBTBase nbtBase : items) {
if (!(nbtBase instanceof NBTTagCompound))
continue;
NBTTagCompound slot = (NBTTagCompound) nbtBase;
if (slot.e("tag")) {
invalid += slot.f("Count");
NBTTagCompound iTag = slot.p("tag");
if (iTag.e("BlockEntityTag")) {
NBTTagCompound blockTag = iTag.p("BlockEntityTag");
if (blockTag.e("Items")) {
invalid = drillDown(blockTag.c("Items", 10), layer + 1, invalid);
}
}
}
if (invalid > threshold)
break;
}
return invalid;
}
private final Class<?> explosionPacket = Reflection.getClass("{nms.network.protocol.game}.PacketPlayOutExplosion");
private final Reflection.FieldAccessor<Double> a = Reflection.getField(explosionPacket, double.class, 0);
private final Reflection.FieldAccessor<Double> b = Reflection.getField(explosionPacket, double.class, 1);
private final Reflection.FieldAccessor<Double> c = Reflection.getField(explosionPacket, double.class, 2);
private final Reflection.FieldAccessor<Float> d = Reflection.getField(explosionPacket, float.class, 0);
private final Reflection.FieldAccessor<List> e = Reflection.getField(explosionPacket, List.class, 0);
@Override
public Object resetExplosionKnockback(Object packet) {
PacketPlayOutExplosion packetPlayOutExplosion = (PacketPlayOutExplosion) packet;
return new PacketPlayOutExplosion(a.get(packetPlayOutExplosion), b.get(packetPlayOutExplosion), c.get(packetPlayOutExplosion), d.get(packetPlayOutExplosion), e.get(packetPlayOutExplosion), null);
}
}