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Refactored over all functionality

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This commit is contained in:
D4rkr34lm
2026-05-13 22:48:44 +02:00
parent c30aad179b
commit 6766862a00
13 changed files with 91 additions and 234 deletions
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BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/techhider/TechHiderCommand.java
-1
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@@ -31,7 +31,6 @@ import de.steamwar.command.TypeMapper;
import de.steamwar.core.CraftbukkitWrapper;
import de.steamwar.linkage.Linked;
import de.steamwar.linkage.LinkedInstance;
import de.steamwar.techhider.TechHider;
import net.md_5.bungee.api.ChatMessageType;
import org.bukkit.Bukkit;
import org.bukkit.command.CommandSender;
BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/world/SpectatorListener.java
-1
View File
@@ -27,7 +27,6 @@ import de.steamwar.inventory.SWItem;
import de.steamwar.linkage.Linked;
import de.steamwar.linkage.MinVersion;
import de.steamwar.sql.BauweltMember;
import de.steamwar.techhider.TechHider;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/xray/XrayCommand.java
-1
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@@ -30,7 +30,6 @@ import de.steamwar.command.SWCommand;
import de.steamwar.core.CraftbukkitWrapper;
import de.steamwar.linkage.Linked;
import de.steamwar.linkage.LinkedInstance;
import de.steamwar.techhider.TechHider;
import net.md_5.bungee.api.ChatMessageType;
import org.bukkit.Bukkit;
import org.bukkit.Material;
FightSystem/FightSystem_Core/src/de/steamwar/fightsystem/utils/HullHider.java
-2
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@@ -32,7 +32,6 @@ import de.steamwar.fightsystem.states.FightState;
import de.steamwar.fightsystem.states.StateDependent;
import de.steamwar.fightsystem.states.StateDependentListener;
import de.steamwar.fightsystem.states.StateDependentTask;
import de.steamwar.techhider.TechHider;
import lombok.Getter;
import org.bukkit.Bukkit;
import org.bukkit.Location;
@@ -49,7 +48,6 @@ import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.event.player.PlayerQuitEvent;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.function.BiFunction;
FightSystem/FightSystem_Core/src/de/steamwar/fightsystem/utils/TechHiderWrapper.java
-1
View File
@@ -31,7 +31,6 @@ import de.steamwar.fightsystem.states.FightState;
import de.steamwar.fightsystem.states.StateDependent;
import de.steamwar.fightsystem.states.StateDependentListener;
import de.steamwar.sql.SteamwarUser;
import de.steamwar.techhider.TechHider;
import lombok.Getter;
import org.bukkit.GameMode;
import org.bukkit.entity.Player;
SpigotCore/SpigotCore_18/src/de/steamwar/techhider/ChunkHider18.java
+2 -2
View File
@@ -102,7 +102,7 @@ public class ChunkHider18 implements ChunkHider {
boolean singletonPalette = section.getBitsPerBlock() == 0;
if(singletonPalette) {
int value = ProtocolUtils.readVarInt(section.getIn());
ProtocolUtils.writeVarInt(section.getOut(), !section.isSkipSection() && section.getObfuscate().contains(value) ? section.getTarget() : value);
ProtocolUtils.writeVarInt(section.getOut(), !section.isSkipSection() && section.getBlockIdsToObfuscate().contains(value) ? section.getTarget() : value);
}else if(section.getBitsPerBlock() < 15) {
section.processPalette();
}
@@ -123,7 +123,7 @@ public class ChunkHider18 implements ChunkHider {
case SKIP:
break;
case CHECK:
if(!section.getObfuscate().contains(values.a(pos)))
if(!section.getBlockIdsToObfuscate().contains(values.a(pos)))
break;
case HIDE:
values.b(pos, section.getTarget());
SpigotCore/SpigotCore_21/src/de/steamwar/techhider/ChunkHider21.java
+2 -2
View File
@@ -105,7 +105,7 @@ public class ChunkHider21 implements ChunkHider {
boolean singleValued = section.getBitsPerBlock() == 0;
if (singleValued) {
int value = ProtocolUtils.readVarInt(section.getIn());
ProtocolUtils.writeVarInt(section.getOut(), !section.isSkipSection() && section.getObfuscate().contains(value) ? section.getTarget() : value);
ProtocolUtils.writeVarInt(section.getOut(), !section.isSkipSection() && section.getBlockIdsToObfuscate().contains(value) ? section.getTarget() : value);
return;
} else if (section.getBitsPerBlock() < 9) {
// Indirect (paletted) storage – only present when bitsPerBlock < 9 in 1.21+
@@ -130,7 +130,7 @@ public class ChunkHider21 implements ChunkHider {
case SKIP:
break;
case CHECK:
if (!section.getObfuscate().contains(values.get(pos)))
if (!section.getBlockIdsToObfuscate().contains(values.get(pos)))
break;
case HIDE:
values.set(pos, section.getTarget());
SpigotCore/SpigotCore_9/src/de/steamwar/techhider/ChunkHider9.java
+1 -1
View File
@@ -100,7 +100,7 @@ public class ChunkHider9 extends ChunkHider8 {
case SKIP:
break;
case CHECK:
if(!section.getObfuscate().contains(values.get(pos)))
if(!section.getBlockIdsToObfuscate().contains(values.get(pos)))
break;
case HIDE:
values.set(pos, section.getTarget());
SpigotCore/SpigotCore_Main/src/de/steamwar/core/events/AntiNocom.java
-1
View File
@@ -25,7 +25,6 @@ import de.steamwar.core.Core;
import de.steamwar.linkage.Linked;
import de.steamwar.sql.SWException;
import de.steamwar.techhider.ProtocolUtils;
import de.steamwar.techhider.TechHider;
import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/ChunkHider.java
+25 -69
View File
@@ -19,15 +19,13 @@
package de.steamwar.techhider;
import de.steamwar.core.Core;
import de.steamwar.core.VersionDependent;
import io.netty.buffer.ByteBuf;
import lombok.Getter;
import net.minecraft.world.level.block.state.BlockState;
import org.bukkit.entity.Player;
import java.util.Collections;
import java.util.Set;
import java.util.function.BiFunction;
/*
* This file is a part of the SteamWar software.
@@ -51,17 +49,13 @@ import java.util.function.BiFunction;
package de.steamwar.techhider;
import de.steamwar.Reflection;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import net.minecraft.network.protocol.game.ClientboundLevelChunkPacketData;
import net.minecraft.network.protocol.game.ClientboundLevelChunkWithLightPacket;
import net.minecraft.util.SimpleBitStorage;
import net.minecraft.world.level.block.entity.BlockEntityType;
import org.bukkit.entity.Player;
import java.util.List;
import java.util.Set;
import java.util.function.BiFunction;
import java.util.function.UnaryOperator;
import java.util.stream.Collectors;
@@ -69,33 +63,27 @@ public class ChunkHider {
private static final UnaryOperator<Object> chunkPacketCloner = ProtocolUtils.shallowCloneGenerator(ClientboundLevelChunkWithLightPacket.class);
private static final UnaryOperator<Object> chunkDataCloner = ProtocolUtils.shallowCloneGenerator(ClientboundLevelChunkPacketData.class);
private static final Reflection.Field<Integer> chunkXField = Reflection.getField(ClientboundLevelChunkWithLightPacket.class, int.class, 0);
private static final Reflection.Field<Integer> chunkZField = Reflection.getField(ClientboundLevelChunkWithLightPacket.class, int.class, 1);
private static final Reflection.Field<ClientboundLevelChunkPacketData> chunkData = Reflection.getField(ClientboundLevelChunkWithLightPacket.class, ClientboundLevelChunkPacketData.class, 0);
private static final Reflection.Field<byte[]> dataField = Reflection.getField(ClientboundLevelChunkPacketData.class, byte[].class, 0);
private static final Reflection.Field<List> tileEntities = Reflection.getField(ClientboundLevelChunkPacketData.class, List.class, 0);
public BiFunction<Player, Object, Object> processLevelChunkWithLightPacket(TechHider techHider) {
return (p, packet) -> {
int chunkX = chunkXField.get(packet);
int chunkZ = chunkZField.get(packet);
if (techHider.getLocationEvaluator().skipChunk(p, chunkX, chunkZ))
return packet;
public ClientboundLevelChunkWithLightPacket processLevelChunkWithLightPacket(Player recivingPlayer, Set<String> hiddenBlockEntities , QuadFunction<Player, Integer, Integer, Integer, Boolean> isPlayerPrivilegedToAccessBlockPos, BlockState blockToObfuscateTo, Set<Integer> blockIdsToObfuscate, ClientboundLevelChunkWithLightPacket packet) {
int chunkX = packet.getX();
int chunkZ = packet.getZ();
packet = chunkPacketCloner.apply(packet);
Object dataWrapper = chunkDataCloner.apply(chunkData.get(packet));
Object clonedPacket = chunkPacketCloner.apply(packet);
Object dataWrapper = chunkDataCloner.apply(chunkData.get(clonedPacket));
Set<String> hiddenBlockEntities = techHider.getHiddenBlockEntities();
tileEntities.set(dataWrapper, ((List<?>)tileEntities.get(dataWrapper)).stream().filter(te -> tileEntityVisible(hiddenBlockEntities, te)).collect(Collectors.toList()));
ByteBuf in = Unpooled.wrappedBuffer(dataField.get(dataWrapper));
ByteBuf out = Unpooled.buffer(in.readableBytes() + 64);
for(int yOffset = p.getWorld().getMinHeight(); yOffset < p.getWorld().getMaxHeight(); yOffset += 16) {
SectionHider section = new SectionHider(p, techHider, in, out, chunkX, yOffset/16, chunkZ);
for(int yOffset = recivingPlayer.getWorld().getMinHeight(); yOffset < recivingPlayer.getWorld().getMaxHeight(); yOffset += 16) {
SectionHider section = new SectionHider(recivingPlayer, blockToObfuscateTo, blockIdsToObfuscate, in, out, chunkX, yOffset/16, chunkZ);
section.copyBlockCount();
blocks(section);
blocks(section, isPlayerPrivilegedToAccessBlockPos);
biomes(section);
}
@@ -109,7 +97,6 @@ public class ChunkHider {
chunkData.set(packet, dataWrapper);
return packet;
};
}
public static final Class<?> tileEntity = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundLevelChunkPacketData$BlockEntityInfo");
@@ -124,45 +111,29 @@ public class ChunkHider {
return !hiddenBlockEntities.contains(getName.invoke(getKey.invoke(nameField.get(null), entityType.get(tile))));
}
private void blocks(SectionHider section) {
private void blocks(SectionHider section, QuadFunction<Player, Integer, Integer, Integer, Boolean> isPlayerPrivilegedToAccessBlockPos) {
section.copyBitsPerBlock();
boolean singleValued = section.getBitsPerBlock() == 0;
if (singleValued) {
int value = ProtocolUtils.readVarInt(section.getIn());
ProtocolUtils.writeVarInt(section.getOut(), !section.isSkipSection() && section.getObfuscate().contains(value) ? section.getTarget() : value);
ProtocolUtils.writeVarInt(section.getOut(), section.getBlockIdsToObfuscate().contains(value) ? section.getTarget() : value);
return;
} else if (section.getBitsPerBlock() < 9) {
// Indirect (paletted) storage – only present when bitsPerBlock < 9 in 1.21+
section.processPalette();
}
if (section.isSkipSection() || (!section.blockPrecise() && section.isPaletted())) {
section.skipNewDataArray(4096);
return;
}
SimpleBitStorage values = new SimpleBitStorage(section.getBitsPerBlock(), 4096, section.readNewDataArray(4096));
for (int y = 0; y < 16; y++) {
for (int z = 0; z < 16; z++) {
for (int x = 0; x < 16; x++) {
int pos = (((y * 16) + z) * 16) + x;
int blockId = values.get(pos);
TechHider.State test = section.test(x, y, z);
switch (test) {
case SKIP:
break;
case CHECK:
if (!section.getObfuscate().contains(values.get(pos)))
break;
case HIDE:
values.set(pos, section.getTarget());
break;
case HIDE_AIR:
default:
values.set(pos, section.getAir());
if(!isPlayerPrivilegedToAccessBlockPos.apply(section.player, section.getOffsetX() * x, section.getOffsetY() * y, section.getOffsetZ() * z) && !section.getBlockIdsToObfuscate().contains(blockId)) {
values.set(pos, section.getTarget());
}
}
}
@@ -187,7 +158,6 @@ public class ChunkHider {
@Getter
class SectionHider {
private final Player player;
private final TechHider techHider;
private final ByteBuf in;
private final ByteBuf out;
@@ -198,18 +168,17 @@ public class ChunkHider {
private final int offsetY;
private final int offsetZ;
private final boolean skipSection;
private boolean paletted;
private int bitsPerBlock;
private int blockCount;
private int air;
private int target;
private Set<Integer> obfuscate;
private Set<Integer> blockIdsToObfuscate;
private final int blockIdToObfuscateTo;
public SectionHider(Player player, TechHider techHider, ByteBuf in, ByteBuf out, int chunkX, int chunkY, int chunkZ) {
public SectionHider(Player player, BlockState blockToObfuscateTo, Set<Integer> blockIdsToObfuscate, ByteBuf in, ByteBuf out, int chunkX, int chunkY, int chunkZ) {
this.player = player;
this.techHider = techHider;
this.in = in;
this.out = out;
this.chunkX = chunkX;
@@ -218,21 +187,13 @@ public class ChunkHider {
this.offsetX = 16*chunkX;
this.offsetY = 16*chunkY;
this.offsetZ = 16*chunkZ;
this.skipSection = techHider.getLocationEvaluator().skipChunkSection(player, chunkX, chunkY, chunkZ);
this.blockIdsToObfuscate = blockIdsToObfuscate;
this.blockIdToObfuscateTo = BlockIds.impl.getCombinedId(blockToObfuscateTo);
this.paletted = false;
this.bitsPerBlock = 0;
this.air = TechHider.AIR_ID;
this.target = techHider.getObfuscationTargetId();
this.obfuscate = techHider.getObfuscateIds();
}
public boolean blockPrecise() {
return techHider.getLocationEvaluator().blockPrecise(player, chunkX, chunkY, chunkZ);
}
public TechHider.State test(int x, int y, int z) {
return techHider.getLocationEvaluator().check(player, offsetX+x, offsetY+y, offsetZ+z);
}
public void copyBlockCount() {
@@ -258,11 +219,6 @@ public class ChunkHider {
}
public void processPalette() {
if(skipSection) {
skipPalette();
return;
}
int paletteLength = copyVarInt();
if(paletteLength == 0)
return;
@@ -273,17 +229,17 @@ public class ChunkHider {
for(int i = 0; i < paletteLength; i++) {
int entry = ProtocolUtils.readVarInt(in);
if(obfuscate.contains(entry))
entry = techHider.getObfuscationTargetId();
if(blockIdsToObfuscate.contains(entry))
entry = blockIdToObfuscateTo;
if(entry == TechHider.AIR_ID)
air = i;
else if(entry == techHider.getObfuscationTargetId())
else if(entry == blockIdToObfuscateTo)
target = i;
ProtocolUtils.writeVarInt(out, entry);
}
obfuscate = Collections.emptySet();
blockIdsToObfuscate = Collections.emptySet();
}
public void skipDataArray() {
SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/QuadFunction.java
+24
View File
@@ -0,0 +1,24 @@
/*
* This file is a part of the SteamWar software.
*
* Copyright (C) 2026 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.techhider;
public interface QuadFunction<A, B, C, D, Return> {
Return apply(A a, B b, C c, D d);
}
SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java
-128
View File
@@ -1,128 +0,0 @@
/*
* This file is a part of the SteamWar software.
*
* Copyright (C) 2025 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.techhider;
import com.comphenix.tinyprotocol.TinyProtocol;
import de.steamwar.Reflection;
import de.steamwar.core.Core;
import lombok.Getter;
import org.bukkit.Material;
import org.bukkit.entity.Player;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.function.BiFunction;
import java.util.function.Function;
import java.util.function.UnaryOperator;
import java.util.stream.Collectors;
public class TechHider {
public static final Class<?> blockPosition = Reflection.getClass("net.minecraft.core.BlockPos");
private static final Class<?> baseBlockPosition = Reflection.getClass("net.minecraft.core.Vec3i");
public static final Reflection.Field<Integer> blockPositionX = Reflection.getField(baseBlockPosition, int.class, 0);
public static final Reflection.Field<Integer> blockPositionY = Reflection.getField(baseBlockPosition, int.class, 1);
public static final Reflection.Field<Integer> blockPositionZ = Reflection.getField(baseBlockPosition, int.class, 2);
public static final Class<?> iBlockData = Reflection.getClass("net.minecraft.world.level.block.state.BlockState");
public static final Class<?> block = Reflection.getClass("net.minecraft.world.level.block.Block");
private static final Reflection.Method getBlockDataByBlock = Reflection.getTypedMethod(block, null, iBlockData);
public static final Class<?> craftMagicNumbers = Reflection.getClass("org.bukkit.craftbukkit.util.CraftMagicNumbers");
private static final Reflection.Method getBlockByMaterial = Reflection.getTypedMethod(craftMagicNumbers, "getBlock", block, Material.class);
public boolean iBlockDataHidden(Object iBlockData) {
return obfuscateIds.contains(BlockIds.impl.getCombinedId(iBlockData));
}
public static final Object AIR = getBlockDataByBlock.invoke(getBlockByMaterial.invoke(null, Material.AIR));
public static final int AIR_ID = BlockIds.impl.materialToId(Material.AIR);
private final Map<Class<?>, BiFunction<Player, Object, Object>> techhiders = new HashMap<>();
@Getter
private final LocationEvaluator locationEvaluator;
@Getter
private final Object obfuscationTarget;
@Getter
private final int obfuscationTargetId;
@Getter
private final Set<Integer> obfuscateIds;
@Getter
private final Set<String> hiddenBlockEntities;
public TechHider(LocationEvaluator locationEvaluator, Material obfuscationTarget, Set<Material> obfuscate, Set<String> hiddenBlockEntities) {
this.locationEvaluator = locationEvaluator;
this.obfuscateIds = obfuscate.stream().flatMap(m -> BlockIds.impl.materialToAllIds(m).stream()).collect(Collectors.toSet());
this.hiddenBlockEntities = hiddenBlockEntities;
this.obfuscationTarget = getBlockDataByBlock.invoke(getBlockByMaterial.invoke(null, obfuscationTarget));
this.obfuscationTargetId = BlockIds.impl.materialToId(obfuscationTarget);
techhiders.put(ChunkHider.impl.mapChunkPacket(), ChunkHider.impl.chunkHiderGenerator(this));
if(Core.getVersion() > 12 && Core.getVersion() < 19) {
Class<?> blockBreakClass = Reflection.getClass("net.minecraft.network.protocol.game.ClientboundBlockDestructionPacket");
techhiders.put(blockBreakClass, ProtocolWrapper.impl.blockBreakHiderGenerator(blockBreakClass, this));
}
if(Core.getVersion() > 8){
techhiders.put(Reflection.getClass("net.minecraft.network.protocol.game.ServerboundUseItemOnPacket"), (p, packet) -> locationEvaluator.suppressInteractions(p) ? null : packet);
}
techhiders.put(Reflection.getClass("net.minecraft.network.protocol.game.ServerboundInteractPacket"), (p, packet) -> locationEvaluator.suppressInteractions(p) ? null : packet);
}
public void enable() {
techhiders.forEach(TinyProtocol.instance::addFilter);
}
public void disable() {
techhiders.forEach(TinyProtocol.instance::removeFilter);
}
public enum State {
SKIP,
CHECK,
HIDE,
HIDE_AIR
}
public interface LocationEvaluator {
default boolean suppressInteractions(Player player) {
return false;
}
boolean skipChunk(Player player, int x, int z);
default boolean skipChunkSection(Player player, int x, int y, int z) {
return skipChunk(player, x, z);
}
default State check(Player player, int x, int y, int z) {
return skipChunkSection(player, ProtocolUtils.posToChunk(x), ProtocolUtils.posToChunk(y), ProtocolUtils.posToChunk(z)) ? State.SKIP : State.CHECK;
}
default State checkBlockPos(Player player, Object pos) {
return check(player, blockPositionX.get(pos), blockPositionY.get(pos), blockPositionZ.get(pos));
}
default boolean blockPrecise(Player player, int x, int y, int z) {
return false;
}
}
}
SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHiderUpdated.java
+37 -25
View File
@@ -67,11 +67,13 @@ public class TechHiderUpdated {
private final Map<Class<? extends Packet<? extends PacketListener>>, BiFunction<Player, Packet<? extends PacketListener>, Packet<? extends PacketListener>>> packetProcessors;
private final TinyProtocol interceptor;
private final Set<Integer> blockIdsToObfuscate;
private final Set<String> blockEntitiesToHide;
private final BlockState blockToObfuscateTo;
public TechHiderUpdated(Plugin plugin, Set<Integer> blockIdsToObfuscate, BlockState blockToObfuscateTo) {
public TechHiderUpdated(Plugin plugin, Set<Integer> blockIdsToObfuscate, BlockState blockToObfuscateTo, Set<String> blockEntitiesToHide) {
this.blockIdsToObfuscate = blockIdsToObfuscate;
this.blockToObfuscateTo = blockToObfuscateTo;
this.blockEntitiesToHide = blockEntitiesToHide;
this.bypassingPackets = Set.of(
// --- Handshake & Login Protocol ---
// These must be whitelisted to allow the player to actually reach the 'Play'
@@ -112,8 +114,7 @@ public class TechHiderUpdated {
ClientboundCommandsPacket.class // Command tree for tab-complete
);
BiFunction<Player, Packet<? extends PacketListener>, Packet<? extends PacketListener>> tossPacket = (p,
packet) -> null;
BiFunction<Player, Packet<? extends PacketListener>, Packet<? extends PacketListener>> tossPacket = (p, packet) -> null;
this.packetProcessors = Map.of(
ClientboundBlockEventPacket.class,
@@ -122,8 +123,11 @@ public class TechHiderUpdated {
(p, packet) -> processBlockUpdatePacket(p, (ClientboundBlockUpdatePacket) packet),
ClientboundBlockEntityDataPacket.class,
(p, packet) -> processBlockEntityDataPacket(p, (ClientboundBlockEntityDataPacket) packet),
ClientboundSectionBlocksUpdatePacket.class, tossPacket,
ClientboundLevelChunkWithLightPacket.class, tossPacket);
ClientboundSectionBlocksUpdatePacket.class,
(p, packet) -> processSectionUpdate(p, (ClientboundSectionBlocksUpdatePacket) packet),
ClientboundLevelChunkWithLightPacket.class,
(p, packet) -> processChunkWithLight(p, (ClientboundLevelChunkWithLightPacket) packet)
);
this.interceptor = new TinyProtocol(plugin) {
@Override
@@ -131,8 +135,7 @@ public class TechHiderUpdated {
if (bypassingPackets.stream().anyMatch(clazz -> clazz.isInstance(packet))) {
return packet;
} else if (packetProcessors.containsKey(packet.getClass())) {
return packetProcessors.get(packet.getClass()).apply(receiver,
(Packet<? extends PacketListener>) packet);
return packetProcessors.get(packet.getClass()).apply(receiver, (Packet<? extends PacketListener>) packet);
} else {
return null;
}
@@ -144,29 +147,32 @@ public class TechHiderUpdated {
private ClientboundBlockEventPacket processBlockEventPacket(Player player, ClientboundBlockEventPacket packet) {
BlockPos blockPos = packet.getPos();
if (isPlayerPrivilegedToAccessBlockPos(player, blockPos)) {
if (isPlayerPrivilegedToAccessBlockPos(player, blockPos.getX(), blockPos.getY(), blockPos.getZ())) {
return packet;
} else {
return null;
}
}
private ClientboundBlockUpdatePacket processBlockUpdatePacket(Player p, ClientboundBlockUpdatePacket packet) {
private ClientboundBlockUpdatePacket processBlockUpdatePacket(Player player, ClientboundBlockUpdatePacket packet) {
BlockPos blockPos = packet.getPos();
int id = BlockIds.impl.getCombinedId(packet.getBlockState());
if (blockIdsToObfuscate.contains(id)) {
// Return a modified copy of the packet with the obfuscated block state
ClientboundBlockUpdatePacket modifiedPacket = new ClientboundBlockUpdatePacket(packet.getPos(),
blockToObfuscateTo);
if(isPlayerPrivilegedToAccessBlockPos(player, blockPos.getX(), blockPos.getY(), blockPos.getZ())) {
return packet;
}
else if (blockIdsToObfuscate.contains(id)) {
ClientboundBlockUpdatePacket modifiedPacket = new ClientboundBlockUpdatePacket(packet.getPos(), blockToObfuscateTo);
return modifiedPacket;
} else {
return packet;
}
}
private ClientboundBlockEntityDataPacket processBlockEntityDataPacket(Player p,
ClientboundBlockEntityDataPacket packet) {
if (isPlayerPrivilegedToAccessBlockPos(p, packet.getPos())) {
private ClientboundBlockEntityDataPacket processBlockEntityDataPacket(Player p, ClientboundBlockEntityDataPacket packet) {
BlockPos blockPos = packet.getPos();
if (isPlayerPrivilegedToAccessBlockPos(p, blockPos.getX(), blockPos.getY(), blockPos.getZ())) {
return packet;
} else if (ProtocolWrapper.impl.unfilteredTileEntityDataAction(packet)) {
return packet;
@@ -175,8 +181,7 @@ public class TechHiderUpdated {
}
}
private ClientboundSectionBlocksUpdatePacket processSectionUpdate(Player p,
ClientboundSectionBlocksUpdatePacket packet) {
private ClientboundSectionBlocksUpdatePacket processSectionUpdate(Player p, ClientboundSectionBlocksUpdatePacket packet) {
SectionPos sectionPos = packet.sectionPos;
short[] oldPos = packet.positions;
BlockState[] oldStates = packet.states;
@@ -195,7 +200,7 @@ public class TechHiderUpdated {
BlockPos pos = new BlockPos(worldX, worldY, worldZ);
if (isPlayerPrivilegedToAccessBlockPos(p, pos)) {
if (isPlayerPrivilegedToAccessBlockPos(p, pos.getX(), pos.getY(), pos.getZ())) {
filteredPos.add(posShort);
filteredStates.add(state);
} else {
@@ -211,14 +216,19 @@ public class TechHiderUpdated {
}
}
if (filteredStates.isEmpty())
if (filteredStates.isEmpty()) {
return null;
if (!modified)
}
if (!modified) {
return packet;
}
short[] newPos = new short[filteredPos.size()];
for (int i = 0; i < newPos.length; i++)
for (int i = 0; i < newPos.length; i++) {
newPos[i] = filteredPos.get(i);
}
BlockState[] newStates = filteredStates.toArray(new BlockState[0]);
return new ClientboundSectionBlocksUpdatePacket(
@@ -228,10 +238,12 @@ public class TechHiderUpdated {
newStates);
}
private ClientboundLevelChunkWithLightPacket processChunkWithLight(Player p, ClientboundLevelChunkWithLightPacket packet) {
}
private final ChunkHider chunkHider = new ChunkHider();
private ClientboundLevelChunkWithLightPacket processChunkWithLight(Player p, ClientboundLevelChunkWithLightPacket packet) {
return chunkHider.processLevelChunkWithLightPacket(p, blockEntitiesToHide, this::isPlayerPrivilegedToAccessBlockPos,blockToObfuscateTo, blockIdsToObfuscate, packet);
}
private boolean isPlayerPrivilegedToAccessBlockPos(Player p, BlockPos pos) {
private boolean isPlayerPrivilegedToAccessBlockPos(Player p, int blockX, int blockY, int blockZ) {
return false;
}