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Code Issues Projekte Releases Wiki Aktivität
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Paper/Spigot-Server-Patches/0363-Anti-Xray.patch
Daniel Ennis e792da723a
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#4728) 
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
30885166 Update to Minecraft 1.16.4

CraftBukkit Changes:
3af81c71 Update to Minecraft 1.16.4

Spigot Changes:
f011ca24 Update to Minecraft 1.16.4

Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com>
2020-11-02 20:22:15 -06:00

1476 Zeilen
76 KiB
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Originalformat Blame Verlauf

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: stonar96 <minecraft.stonar96@gmail.com>
Date: Mon, 20 Aug 2018 03:03:58 +0200
Subject: [PATCH] Anti-Xray
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index e7c73a4ddbb42aa52112147a60c8a761bfd3d07b..75c30889ec186dbae35159d9a4a38494fad0f6df 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -1,7 +1,9 @@
package com.destroystokyo.paper;
+import java.util.Arrays;
import java.util.List;
+import com.destroystokyo.paper.antixray.ChunkPacketBlockControllerAntiXray.EngineMode;
import org.bukkit.Bukkit;
import org.bukkit.configuration.file.YamlConfiguration;
import org.spigotmc.SpigotWorldConfig;
@@ -454,4 +456,33 @@ public class PaperWorldConfig {
private void maxAutoSaveChunksPerTick() {
maxAutoSaveChunksPerTick = getInt("max-auto-save-chunks-per-tick", 24);
}
+
+ public boolean antiXray;
+ public EngineMode engineMode;
+ public int maxChunkSectionIndex;
+ public int updateRadius;
+ public boolean lavaObscures;
+ public List<String> hiddenBlocks;
+ public List<String> replacementBlocks;
+ private void antiXray() {
+ antiXray = getBoolean("anti-xray.enabled", false);
+ engineMode = EngineMode.getById(getInt("anti-xray.engine-mode", EngineMode.HIDE.getId()));
+ engineMode = engineMode == null ? EngineMode.HIDE : engineMode;
+ maxChunkSectionIndex = getInt("anti-xray.max-chunk-section-index", 3);
+ maxChunkSectionIndex = maxChunkSectionIndex > 15 ? 15 : maxChunkSectionIndex;
+ updateRadius = getInt("anti-xray.update-radius", 2);
+ lavaObscures = getBoolean("anti-xray.lava-obscures", false);
+ hiddenBlocks = getList("anti-xray.hidden-blocks", Arrays.asList("gold_ore", "iron_ore", "coal_ore", "lapis_ore", "mossy_cobblestone", "obsidian", "chest", "diamond_ore", "redstone_ore", "clay", "emerald_ore", "ender_chest"));
+ replacementBlocks = getList("anti-xray.replacement-blocks", Arrays.asList("stone", "oak_planks"));
+ if (PaperConfig.version < 19) {
+ hiddenBlocks.remove("lit_redstone_ore");
+ int index = replacementBlocks.indexOf("planks");
+ if (index != -1) {
+ replacementBlocks.set(index, "oak_planks");
+ }
+ set("anti-xray.hidden-blocks", hiddenBlocks);
+ set("anti-xray.replacement-blocks", replacementBlocks);
+ }
+ log("Anti-Xray: " + (antiXray ? "enabled" : "disabled") + " / Engine Mode: " + engineMode.getDescription() + " / Up to " + ((maxChunkSectionIndex + 1) * 16) + " blocks / Update Radius: " + updateRadius);
+ }
}
diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockController.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockController.java
new file mode 100644
index 0000000000000000000000000000000000000000..df7e4183d8842f5be8ae9d0698f8fa90742ff43c
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockController.java
@@ -0,0 +1,40 @@
+package com.destroystokyo.paper.antixray;
+
+import net.minecraft.server.BlockPosition;
+import net.minecraft.server.Chunk;
+import net.minecraft.server.ChunkSection;
+import net.minecraft.server.EnumDirection;
+import net.minecraft.server.IBlockData;
+import net.minecraft.server.IChunkAccess;
+import net.minecraft.server.PacketPlayOutMapChunk;
+import net.minecraft.server.PlayerInteractManager;
+import net.minecraft.server.World;
+
+public class ChunkPacketBlockController {
+
+ public static final ChunkPacketBlockController NO_OPERATION_INSTANCE = new ChunkPacketBlockController();
+
+ protected ChunkPacketBlockController() {
+
+ }
+
+ public IBlockData[] getPredefinedBlockData(World world, IChunkAccess chunk, ChunkSection chunkSection, boolean initializeBlocks) {
+ return null;
+ }
+
+ public ChunkPacketInfo<IBlockData> getChunkPacketInfo(PacketPlayOutMapChunk packetPlayOutMapChunk, Chunk chunk, int chunkSectionSelector) {
+ return null;
+ }
+
+ public void modifyBlocks(PacketPlayOutMapChunk packetPlayOutMapChunk, ChunkPacketInfo<IBlockData> chunkPacketInfo) {
+ packetPlayOutMapChunk.setReady(true);
+ }
+
+ public void onBlockChange(World world, BlockPosition blockPosition, IBlockData newBlockData, IBlockData oldBlockData, int flag) {
+
+ }
+
+ public void onPlayerLeftClickBlock(PlayerInteractManager playerInteractManager, BlockPosition blockPosition, EnumDirection enumDirection) {
+
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java
new file mode 100644
index 0000000000000000000000000000000000000000..b879f1796912bb8467202e946ccf0c9270d1589d
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java
@@ -0,0 +1,605 @@
+package com.destroystokyo.paper.antixray;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.Executor;
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.function.IntSupplier;
+
+import net.minecraft.server.*;
+import org.bukkit.Bukkit;
+import org.bukkit.World.Environment;
+
+import com.destroystokyo.paper.PaperWorldConfig;
+
+public final class ChunkPacketBlockControllerAntiXray extends ChunkPacketBlockController {
+
+ private final Executor executor;
+ private final EngineMode engineMode;
+ private final int maxChunkSectionIndex;
+ private final int updateRadius;
+ private final IBlockData[] predefinedBlockData;
+ private final IBlockData[] predefinedBlockDataStone;
+ private final IBlockData[] predefinedBlockDataNetherrack;
+ private final IBlockData[] predefinedBlockDataEndStone;
+ private final int[] predefinedBlockDataBitsGlobal;
+ private final int[] predefinedBlockDataBitsStoneGlobal;
+ private final int[] predefinedBlockDataBitsNetherrackGlobal;
+ private final int[] predefinedBlockDataBitsEndStoneGlobal;
+ private final boolean[] solidGlobal = new boolean[Block.REGISTRY_ID.size()];
+ private final boolean[] obfuscateGlobal = new boolean[Block.REGISTRY_ID.size()];
+ private final ChunkSection[] emptyNearbyChunkSections = {Chunk.EMPTY_CHUNK_SECTION, Chunk.EMPTY_CHUNK_SECTION, Chunk.EMPTY_CHUNK_SECTION, Chunk.EMPTY_CHUNK_SECTION};
+ private final int maxBlockYUpdatePosition;
+
+ public ChunkPacketBlockControllerAntiXray(World world, Executor executor) {
+ PaperWorldConfig paperWorldConfig = world.paperConfig;
+ engineMode = paperWorldConfig.engineMode;
+ maxChunkSectionIndex = paperWorldConfig.maxChunkSectionIndex;
+ updateRadius = paperWorldConfig.updateRadius;
+
+ this.executor = executor;
+
+ List<String> toObfuscate;
+
+ if (engineMode == EngineMode.HIDE) {
+ toObfuscate = paperWorldConfig.hiddenBlocks;
+ predefinedBlockData = null;
+ predefinedBlockDataStone = new IBlockData[] {Blocks.STONE.getBlockData()};
+ predefinedBlockDataNetherrack = new IBlockData[] {Blocks.NETHERRACK.getBlockData()};
+ predefinedBlockDataEndStone = new IBlockData[] {Blocks.END_STONE.getBlockData()};
+ predefinedBlockDataBitsGlobal = null;
+ predefinedBlockDataBitsStoneGlobal = new int[] {ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(Blocks.STONE.getBlockData())};
+ predefinedBlockDataBitsNetherrackGlobal = new int[] {ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(Blocks.NETHERRACK.getBlockData())};
+ predefinedBlockDataBitsEndStoneGlobal = new int[] {ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(Blocks.END_STONE.getBlockData())};
+ } else {
+ toObfuscate = new ArrayList<>(paperWorldConfig.replacementBlocks);
+ Set<IBlockData> predefinedBlockDataSet = new HashSet<IBlockData>();
+
+ for (String id : paperWorldConfig.hiddenBlocks) {
+ Block block = IRegistry.BLOCK.getOptional(new MinecraftKey(id)).orElse(null);
+
+ if (block != null && !block.isTileEntity()) {
+ toObfuscate.add(id);
+ predefinedBlockDataSet.add(block.getBlockData());
+ }
+ }
+
+ predefinedBlockData = predefinedBlockDataSet.size() == 0 ? new IBlockData[] {Blocks.DIAMOND_ORE.getBlockData()} : predefinedBlockDataSet.toArray(new IBlockData[0]);
+ predefinedBlockDataStone = null;
+ predefinedBlockDataNetherrack = null;
+ predefinedBlockDataEndStone = null;
+ predefinedBlockDataBitsGlobal = new int[predefinedBlockData.length];
+
+ for (int i = 0; i < predefinedBlockData.length; i++) {
+ predefinedBlockDataBitsGlobal[i] = ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(predefinedBlockData[i]);
+ }
+
+ predefinedBlockDataBitsStoneGlobal = null;
+ predefinedBlockDataBitsNetherrackGlobal = null;
+ predefinedBlockDataBitsEndStoneGlobal = null;
+ }
+
+ for (String id : toObfuscate) {
+ Block block = IRegistry.BLOCK.getOptional(new MinecraftKey(id)).orElse(null);
+
+ // Don't obfuscate air because air causes unnecessary block updates and causes block updates to fail in the void
+ if (block != null && !block.getBlockData().isAir()) {
+ obfuscateGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(block.getBlockData())] = true;
+ }
+ }
+
+ ChunkEmpty emptyChunk = new ChunkEmpty(world, new ChunkCoordIntPair(0, 0));
+ BlockPosition zeroPos = new BlockPosition(0, 0, 0);
+
+ for (int i = 0; i < solidGlobal.length; i++) {
+ IBlockData blockData = ChunkSection.GLOBAL_PALETTE.getObject(i);
+
+ if (blockData != null) {
+ solidGlobal[i] = blockData.isOccluding(emptyChunk, zeroPos)
+ && blockData.getBlock() != Blocks.SPAWNER && blockData.getBlock() != Blocks.BARRIER && blockData.getBlock() != Blocks.SHULKER_BOX && blockData.getBlock() != Blocks.SLIME_BLOCK || paperWorldConfig.lavaObscures && blockData == Blocks.LAVA.getBlockData();
+ // Comparing blockData == Blocks.LAVA.getBlockData() instead of blockData.getBlock() == Blocks.LAVA ensures that only "stationary lava" is used
+ // shulker box checks TE.
+ }
+ }
+
+ this.maxBlockYUpdatePosition = (maxChunkSectionIndex + 1) * 16 + updateRadius - 1;
+ }
+
+ private int getPredefinedBlockDataLength() {
+ return engineMode == EngineMode.HIDE ? 1 : predefinedBlockData.length;
+ }
+
+ @Override
+ public IBlockData[] getPredefinedBlockData(World world, IChunkAccess chunk, ChunkSection chunkSection, boolean initializeBlocks) {
+ // Return the block data which should be added to the data palettes so that they can be used for the obfuscation
+ if (chunkSection.getYPosition() >> 4 <= maxChunkSectionIndex) {
+ switch (engineMode) {
+ case HIDE:
+ switch (world.getWorld().getEnvironment()) {
+ case NETHER:
+ return predefinedBlockDataNetherrack;
+ case THE_END:
+ return predefinedBlockDataEndStone;
+ default:
+ return predefinedBlockDataStone;
+ }
+ default:
+ return predefinedBlockData;
+ }
+ }
+
+ return null;
+ }
+
+ @Override
+ public ChunkPacketInfoAntiXray getChunkPacketInfo(PacketPlayOutMapChunk packetPlayOutMapChunk, Chunk chunk, int chunkSectionSelector) {
+ // Return a new instance to collect data and objects in the right state while creating the chunk packet for thread safe access later
+ // Note: As of 1.14 this has to be moved later due to the chunk system.
+ ChunkPacketInfoAntiXray chunkPacketInfoAntiXray = new ChunkPacketInfoAntiXray(packetPlayOutMapChunk, chunk, chunkSectionSelector, this);
+ return chunkPacketInfoAntiXray;
+ }
+
+ @Override
+ public void modifyBlocks(PacketPlayOutMapChunk packetPlayOutMapChunk, ChunkPacketInfo<IBlockData> chunkPacketInfo) {
+ if (!Bukkit.isPrimaryThread()) {
+ // plugins?
+ MinecraftServer.getServer().scheduleOnMain(() -> {
+ this.modifyBlocks(packetPlayOutMapChunk, chunkPacketInfo);
+ });
+ return;
+ }
+
+ Chunk chunk = chunkPacketInfo.getChunk();
+ int x = chunk.getPos().x;
+ int z = chunk.getPos().z;
+ WorldServer world = (WorldServer)chunk.world;
+ ((ChunkPacketInfoAntiXray) chunkPacketInfo).setNearbyChunks(
+ (Chunk) world.getChunkIfLoadedImmediately(x - 1, z),
+ (Chunk) world.getChunkIfLoadedImmediately(x + 1, z),
+ (Chunk) world.getChunkIfLoadedImmediately(x, z - 1),
+ (Chunk) world.getChunkIfLoadedImmediately(x, z + 1));
+
+ executor.execute((ChunkPacketInfoAntiXray) chunkPacketInfo);
+ }
+
+ // Actually these fields should be variables inside the obfuscate method but in sync mode or with SingleThreadExecutor in async mode it's okay (even without ThreadLocal)
+ // If an ExecutorService with multiple threads is used, ThreadLocal must be used here
+ private final ThreadLocal<int[]> predefinedBlockDataBits = ThreadLocal.withInitial(() -> new int[getPredefinedBlockDataLength()]);
+ private static final ThreadLocal<boolean[]> solid = ThreadLocal.withInitial(() -> new boolean[Block.REGISTRY_ID.size()]);
+ private static final ThreadLocal<boolean[]> obfuscate = ThreadLocal.withInitial(() -> new boolean[Block.REGISTRY_ID.size()]);
+ // These boolean arrays represent chunk layers, true means don't obfuscate, false means obfuscate
+ private static final ThreadLocal<boolean[][]> current = ThreadLocal.withInitial(() -> new boolean[16][16]);
+ private static final ThreadLocal<boolean[][]> next = ThreadLocal.withInitial(() -> new boolean[16][16]);
+ private static final ThreadLocal<boolean[][]> nextNext = ThreadLocal.withInitial(() -> new boolean[16][16]);
+
+ public void obfuscate(ChunkPacketInfoAntiXray chunkPacketInfoAntiXray) {
+ int[] predefinedBlockDataBits = this.predefinedBlockDataBits.get();
+ boolean[] solid = this.solid.get();
+ boolean[] obfuscate = this.obfuscate.get();
+ boolean[][] current = this.current.get();
+ boolean[][] next = this.next.get();
+ boolean[][] nextNext = this.nextNext.get();
+ // dataBitsReader, dataBitsWriter and nearbyChunkSections could also be reused (with ThreadLocal if necessary) but it's not worth it
+ DataBitsReader dataBitsReader = new DataBitsReader();
+ DataBitsWriter dataBitsWriter = new DataBitsWriter();
+ ChunkSection[] nearbyChunkSections = new ChunkSection[4];
+ boolean[] solidTemp = null;
+ boolean[] obfuscateTemp = null;
+ dataBitsReader.setDataBits(chunkPacketInfoAntiXray.getData());
+ dataBitsWriter.setDataBits(chunkPacketInfoAntiXray.getData());
+ int numberOfBlocks = predefinedBlockDataBits.length;
+ // Keep the lambda expressions as simple as possible. They are used very frequently.
+ IntSupplier random = numberOfBlocks == 1 ? (() -> 0) : new IntSupplier() {
+ private int state;
+
+ {
+ while ((state = ThreadLocalRandom.current().nextInt()) == 0);
+ }
+
+ @Override
+ public int getAsInt() {
+ // https://en.wikipedia.org/wiki/Xorshift
+ state ^= state << 13;
+ state ^= state >>> 17;
+ state ^= state << 5;
+ // https://www.pcg-random.org/posts/bounded-rands.html
+ return (int) ((Integer.toUnsignedLong(state) * numberOfBlocks) >>> 32);
+ }
+ };
+
+ for (int chunkSectionIndex = 0; chunkSectionIndex <= maxChunkSectionIndex; chunkSectionIndex++) {
+ if (chunkPacketInfoAntiXray.isWritten(chunkSectionIndex) && chunkPacketInfoAntiXray.getPredefinedObjects(chunkSectionIndex) != null) {
+ int[] predefinedBlockDataBitsTemp;
+
+ if (chunkPacketInfoAntiXray.getDataPalette(chunkSectionIndex) == ChunkSection.GLOBAL_PALETTE) {
+ predefinedBlockDataBitsTemp = engineMode == EngineMode.HIDE ? chunkPacketInfoAntiXray.getChunk().world.getWorld().getEnvironment() == Environment.NETHER ? predefinedBlockDataBitsNetherrackGlobal : chunkPacketInfoAntiXray.getChunk().world.getWorld().getEnvironment() == Environment.THE_END ? predefinedBlockDataBitsEndStoneGlobal : predefinedBlockDataBitsStoneGlobal : predefinedBlockDataBitsGlobal;
+ } else {
+ predefinedBlockDataBitsTemp = predefinedBlockDataBits;
+
+ for (int i = 0; i < predefinedBlockDataBitsTemp.length; i++) {
+ predefinedBlockDataBitsTemp[i] = chunkPacketInfoAntiXray.getDataPalette(chunkSectionIndex).getOrCreateIdFor(chunkPacketInfoAntiXray.getPredefinedObjects(chunkSectionIndex)[i]);
+ }
+ }
+
+ dataBitsWriter.setIndex(chunkPacketInfoAntiXray.getDataBitsIndex(chunkSectionIndex));
+
+ // Check if the chunk section below was not obfuscated
+ if (chunkSectionIndex == 0 || !chunkPacketInfoAntiXray.isWritten(chunkSectionIndex - 1) || chunkPacketInfoAntiXray.getPredefinedObjects(chunkSectionIndex - 1) == null) {
+ // If so, initialize some stuff
+ dataBitsReader.setBitsPerObject(chunkPacketInfoAntiXray.getBitsPerObject(chunkSectionIndex));
+ dataBitsReader.setIndex(chunkPacketInfoAntiXray.getDataBitsIndex(chunkSectionIndex));
+ solidTemp = readDataPalette(chunkPacketInfoAntiXray.getDataPalette(chunkSectionIndex), solid, solidGlobal);
+ obfuscateTemp = readDataPalette(chunkPacketInfoAntiXray.getDataPalette(chunkSectionIndex), obfuscate, obfuscateGlobal);
+ // Read the blocks of the upper layer of the chunk section below if it exists
+ ChunkSection belowChunkSection = null;
+ boolean skipFirstLayer = chunkSectionIndex == 0 || (belowChunkSection = chunkPacketInfoAntiXray.getChunk().getSections()[chunkSectionIndex - 1]) == Chunk.EMPTY_CHUNK_SECTION;
+
+ for (int z = 0; z < 16; z++) {
+ for (int x = 0; x < 16; x++) {
+ current[z][x] = true;
+ next[z][x] = skipFirstLayer || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(belowChunkSection.getType(x, 15, z))];
+ }
+ }
+
+ // Abuse the obfuscateLayer method to read the blocks of the first layer of the current chunk section
+ dataBitsWriter.setBitsPerObject(0);
+ obfuscateLayer(-1, dataBitsReader, dataBitsWriter, solidTemp, obfuscateTemp, predefinedBlockDataBitsTemp, current, next, nextNext, emptyNearbyChunkSections, random);
+ }
+
+ dataBitsWriter.setBitsPerObject(chunkPacketInfoAntiXray.getBitsPerObject(chunkSectionIndex));
+ nearbyChunkSections[0] = chunkPacketInfoAntiXray.getNearbyChunks()[0] == null ? Chunk.EMPTY_CHUNK_SECTION : chunkPacketInfoAntiXray.getNearbyChunks()[0].getSections()[chunkSectionIndex];
+ nearbyChunkSections[1] = chunkPacketInfoAntiXray.getNearbyChunks()[1] == null ? Chunk.EMPTY_CHUNK_SECTION : chunkPacketInfoAntiXray.getNearbyChunks()[1].getSections()[chunkSectionIndex];
+ nearbyChunkSections[2] = chunkPacketInfoAntiXray.getNearbyChunks()[2] == null ? Chunk.EMPTY_CHUNK_SECTION : chunkPacketInfoAntiXray.getNearbyChunks()[2].getSections()[chunkSectionIndex];
+ nearbyChunkSections[3] = chunkPacketInfoAntiXray.getNearbyChunks()[3] == null ? Chunk.EMPTY_CHUNK_SECTION : chunkPacketInfoAntiXray.getNearbyChunks()[3].getSections()[chunkSectionIndex];
+
+ // Obfuscate all layers of the current chunk section except the upper one
+ for (int y = 0; y < 15; y++) {
+ boolean[][] temp = current;
+ current = next;
+ next = nextNext;
+ nextNext = temp;
+ obfuscateLayer(y, dataBitsReader, dataBitsWriter, solidTemp, obfuscateTemp, predefinedBlockDataBitsTemp, current, next, nextNext, nearbyChunkSections, random);
+ }
+
+ // Check if the chunk section above doesn't need obfuscation
+ if (chunkSectionIndex == maxChunkSectionIndex || !chunkPacketInfoAntiXray.isWritten(chunkSectionIndex + 1) || chunkPacketInfoAntiXray.getPredefinedObjects(chunkSectionIndex + 1) == null) {
+ // If so, obfuscate the upper layer of the current chunk section by reading blocks of the first layer from the chunk section above if it exists
+ ChunkSection aboveChunkSection;
+
+ if (chunkSectionIndex != 15 && (aboveChunkSection = chunkPacketInfoAntiXray.getChunk().getSections()[chunkSectionIndex + 1]) != Chunk.EMPTY_CHUNK_SECTION) {
+ boolean[][] temp = current;
+ current = next;
+ next = nextNext;
+ nextNext = temp;
+
+ for (int z = 0; z < 16; z++) {
+ for (int x = 0; x < 16; x++) {
+ if (!solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(aboveChunkSection.getType(x, 0, z))]) {
+ current[z][x] = true;
+ }
+ }
+ }
+
+ // There is nothing to read anymore
+ dataBitsReader.setBitsPerObject(0);
+ solid[0] = true;
+ obfuscateLayer(15, dataBitsReader, dataBitsWriter, solid, obfuscateTemp, predefinedBlockDataBitsTemp, current, next, nextNext, nearbyChunkSections, random);
+ }
+ } else {
+ // If not, initialize the reader and other stuff for the chunk section above to obfuscate the upper layer of the current chunk section
+ dataBitsReader.setBitsPerObject(chunkPacketInfoAntiXray.getBitsPerObject(chunkSectionIndex + 1));
+ dataBitsReader.setIndex(chunkPacketInfoAntiXray.getDataBitsIndex(chunkSectionIndex + 1));
+ solidTemp = readDataPalette(chunkPacketInfoAntiXray.getDataPalette(chunkSectionIndex + 1), solid, solidGlobal);
+ obfuscateTemp = readDataPalette(chunkPacketInfoAntiXray.getDataPalette(chunkSectionIndex + 1), obfuscate, obfuscateGlobal);
+ boolean[][] temp = current;
+ current = next;
+ next = nextNext;
+ nextNext = temp;
+ obfuscateLayer(15, dataBitsReader, dataBitsWriter, solidTemp, obfuscateTemp, predefinedBlockDataBitsTemp, current, next, nextNext, nearbyChunkSections, random);
+ }
+
+ dataBitsWriter.finish();
+ }
+ }
+
+ chunkPacketInfoAntiXray.getPacketPlayOutMapChunk().setReady(true);
+ }
+
+ private void obfuscateLayer(int y, DataBitsReader dataBitsReader, DataBitsWriter dataBitsWriter, boolean[] solid, boolean[] obfuscate, int[] predefinedBlockDataBits, boolean[][] current, boolean[][] next, boolean[][] nextNext, ChunkSection[] nearbyChunkSections, IntSupplier random) {
+ // First block of first line
+ int dataBits = dataBitsReader.read();
+
+ if (nextNext[0][0] = !solid[dataBits]) {
+ dataBitsWriter.skip();
+ next[0][1] = true;
+ next[1][0] = true;
+ } else {
+ if (nearbyChunkSections[2] == Chunk.EMPTY_CHUNK_SECTION || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(nearbyChunkSections[2].getType(0, y, 15))] || nearbyChunkSections[0] == Chunk.EMPTY_CHUNK_SECTION || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(nearbyChunkSections[0].getType(15, y, 0))] || current[0][0]) {
+ dataBitsWriter.skip();
+ } else {
+ dataBitsWriter.write(predefinedBlockDataBits[random.getAsInt()]);
+ }
+ }
+
+ if (!obfuscate[dataBits]) {
+ next[0][0] = true;
+ }
+
+ // First line
+ for (int x = 1; x < 15; x++) {
+ dataBits = dataBitsReader.read();
+
+ if (nextNext[0][x] = !solid[dataBits]) {
+ dataBitsWriter.skip();
+ next[0][x - 1] = true;
+ next[0][x + 1] = true;
+ next[1][x] = true;
+ } else {
+ if (nearbyChunkSections[2] == Chunk.EMPTY_CHUNK_SECTION || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(nearbyChunkSections[2].getType(x, y, 15))] || current[0][x]) {
+ dataBitsWriter.skip();
+ } else {
+ dataBitsWriter.write(predefinedBlockDataBits[random.getAsInt()]);
+ }
+ }
+
+ if (!obfuscate[dataBits]) {
+ next[0][x] = true;
+ }
+ }
+
+ // Last block of first line
+ dataBits = dataBitsReader.read();
+
+ if (nextNext[0][15] = !solid[dataBits]) {
+ dataBitsWriter.skip();
+ next[0][14] = true;
+ next[1][15] = true;
+ } else {
+ if (nearbyChunkSections[2] == Chunk.EMPTY_CHUNK_SECTION || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(nearbyChunkSections[2].getType(15, y, 15))] || nearbyChunkSections[1] == Chunk.EMPTY_CHUNK_SECTION || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(nearbyChunkSections[1].getType(0, y, 0))] || current[0][15]) {
+ dataBitsWriter.skip();
+ } else {
+ dataBitsWriter.write(predefinedBlockDataBits[random.getAsInt()]);
+ }
+ }
+
+ if (!obfuscate[dataBits]) {
+ next[0][15] = true;
+ }
+
+ // All inner lines
+ for (int z = 1; z < 15; z++) {
+ // First block
+ dataBits = dataBitsReader.read();
+
+ if (nextNext[z][0] = !solid[dataBits]) {
+ dataBitsWriter.skip();
+ next[z][1] = true;
+ next[z - 1][0] = true;
+ next[z + 1][0] = true;
+ } else {
+ if (nearbyChunkSections[0] == Chunk.EMPTY_CHUNK_SECTION || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(nearbyChunkSections[0].getType(15, y, z))] || current[z][0]) {
+ dataBitsWriter.skip();
+ } else {
+ dataBitsWriter.write(predefinedBlockDataBits[random.getAsInt()]);
+ }
+ }
+
+ if (!obfuscate[dataBits]) {
+ next[z][0] = true;
+ }
+
+ // All inner blocks
+ for (int x = 1; x < 15; x++) {
+ dataBits = dataBitsReader.read();
+
+ if (nextNext[z][x] = !solid[dataBits]) {
+ dataBitsWriter.skip();
+ next[z][x - 1] = true;
+ next[z][x + 1] = true;
+ next[z - 1][x] = true;
+ next[z + 1][x] = true;
+ } else {
+ if (current[z][x]) {
+ dataBitsWriter.skip();
+ } else {
+ dataBitsWriter.write(predefinedBlockDataBits[random.getAsInt()]);
+ }
+ }
+
+ if (!obfuscate[dataBits]) {
+ next[z][x] = true;
+ }
+ }
+
+ // Last block
+ dataBits = dataBitsReader.read();
+
+ if (nextNext[z][15] = !solid[dataBits]) {
+ dataBitsWriter.skip();
+ next[z][14] = true;
+ next[z - 1][15] = true;
+ next[z + 1][15] = true;
+ } else {
+ if (nearbyChunkSections[1] == Chunk.EMPTY_CHUNK_SECTION || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(nearbyChunkSections[1].getType(0, y, z))] || current[z][15]) {
+ dataBitsWriter.skip();
+ } else {
+ dataBitsWriter.write(predefinedBlockDataBits[random.getAsInt()]);
+ }
+ }
+
+ if (!obfuscate[dataBits]) {
+ next[z][15] = true;
+ }
+ }
+
+ // First block of last line
+ dataBits = dataBitsReader.read();
+
+ if (nextNext[15][0] = !solid[dataBits]) {
+ dataBitsWriter.skip();
+ next[15][1] = true;
+ next[14][0] = true;
+ } else {
+ if (nearbyChunkSections[3] == Chunk.EMPTY_CHUNK_SECTION || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(nearbyChunkSections[3].getType(0, y, 0))] || nearbyChunkSections[0] == Chunk.EMPTY_CHUNK_SECTION || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(nearbyChunkSections[0].getType(15, y, 15))] || current[15][0]) {
+ dataBitsWriter.skip();
+ } else {
+ dataBitsWriter.write(predefinedBlockDataBits[random.getAsInt()]);
+ }
+ }
+
+ if (!obfuscate[dataBits]) {
+ next[15][0] = true;
+ }
+
+ // Last line
+ for (int x = 1; x < 15; x++) {
+ dataBits = dataBitsReader.read();
+
+ if (nextNext[15][x] = !solid[dataBits]) {
+ dataBitsWriter.skip();
+ next[15][x - 1] = true;
+ next[15][x + 1] = true;
+ next[14][x] = true;
+ } else {
+ if (nearbyChunkSections[3] == Chunk.EMPTY_CHUNK_SECTION || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(nearbyChunkSections[3].getType(x, y, 0))] || current[15][x]) {
+ dataBitsWriter.skip();
+ } else {
+ dataBitsWriter.write(predefinedBlockDataBits[random.getAsInt()]);
+ }
+ }
+
+ if (!obfuscate[dataBits]) {
+ next[15][x] = true;
+ }
+ }
+
+ // Last block of last line
+ dataBits = dataBitsReader.read();
+
+ if (nextNext[15][15] = !solid[dataBits]) {
+ dataBitsWriter.skip();
+ next[15][14] = true;
+ next[14][15] = true;
+ } else {
+ if (nearbyChunkSections[3] == Chunk.EMPTY_CHUNK_SECTION || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(nearbyChunkSections[3].getType(15, y, 0))] || nearbyChunkSections[1] == Chunk.EMPTY_CHUNK_SECTION || !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(nearbyChunkSections[1].getType(0, y, 15))] || current[15][15]) {
+ dataBitsWriter.skip();
+ } else {
+ dataBitsWriter.write(predefinedBlockDataBits[random.getAsInt()]);
+ }
+ }
+
+ if (!obfuscate[dataBits]) {
+ next[15][15] = true;
+ }
+ }
+
+ private boolean[] readDataPalette(DataPalette<IBlockData> dataPalette, boolean[] temp, boolean[] global) {
+ if (dataPalette == ChunkSection.GLOBAL_PALETTE) {
+ return global;
+ }
+
+ IBlockData blockData;
+
+ for (int i = 0; (blockData = dataPalette.getObject(i)) != null; i++) {
+ temp[i] = global[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(blockData)];
+ }
+
+ return temp;
+ }
+
+ @Override
+ public void onBlockChange(World world, BlockPosition blockPosition, IBlockData newBlockData, IBlockData oldBlockData, int flag) {
+ if (oldBlockData != null && solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(oldBlockData)] && !solidGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(newBlockData)] && blockPosition.getY() <= maxBlockYUpdatePosition) {
+ updateNearbyBlocks(world, blockPosition);
+ }
+ }
+
+ @Override
+ public void onPlayerLeftClickBlock(PlayerInteractManager playerInteractManager, BlockPosition blockPosition, EnumDirection enumDirection) {
+ if (blockPosition.getY() <= maxBlockYUpdatePosition) {
+ updateNearbyBlocks(playerInteractManager.world, blockPosition);
+ }
+ }
+
+ private void updateNearbyBlocks(World world, BlockPosition blockPosition) {
+ if (updateRadius >= 2) {
+ BlockPosition temp = blockPosition.west();
+ updateBlock(world, temp);
+ updateBlock(world, temp.west());
+ updateBlock(world, temp.down());
+ updateBlock(world, temp.up());
+ updateBlock(world, temp.north());
+ updateBlock(world, temp.south());
+ updateBlock(world, temp = blockPosition.east());
+ updateBlock(world, temp.east());
+ updateBlock(world, temp.down());
+ updateBlock(world, temp.up());
+ updateBlock(world, temp.north());
+ updateBlock(world, temp.south());
+ updateBlock(world, temp = blockPosition.down());
+ updateBlock(world, temp.down());
+ updateBlock(world, temp.north());
+ updateBlock(world, temp.south());
+ updateBlock(world, temp = blockPosition.up());
+ updateBlock(world, temp.up());
+ updateBlock(world, temp.north());
+ updateBlock(world, temp.south());
+ updateBlock(world, temp = blockPosition.north());
+ updateBlock(world, temp.north());
+ updateBlock(world, temp = blockPosition.south());
+ updateBlock(world, temp.south());
+ } else if (updateRadius == 1) {
+ updateBlock(world, blockPosition.west());
+ updateBlock(world, blockPosition.east());
+ updateBlock(world, blockPosition.down());
+ updateBlock(world, blockPosition.up());
+ updateBlock(world, blockPosition.north());
+ updateBlock(world, blockPosition.south());
+ } else {
+ // Do nothing if updateRadius <= 0 (test mode)
+ }
+ }
+
+ private void updateBlock(World world, BlockPosition blockPosition) {
+ IBlockData blockData = world.getTypeIfLoaded(blockPosition);
+
+ if (blockData != null && obfuscateGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(blockData)]) {
+ // world.notify(blockPosition, blockData, blockData, 3);
+ ((WorldServer)world).getChunkProvider().flagDirty(blockPosition); // We only need to re-send to client
+ }
+ }
+
+ public enum EngineMode {
+
+ HIDE(1, "hide ores"),
+ OBFUSCATE(2, "obfuscate");
+
+ private final int id;
+ private final String description;
+
+ EngineMode(int id, String description) {
+ this.id = id;
+ this.description = description;
+ }
+
+ public static EngineMode getById(int id) {
+ for (EngineMode engineMode : values()) {
+ if (engineMode.id == id) {
+ return engineMode;
+ }
+ }
+
+ return null;
+ }
+
+ public int getId() {
+ return id;
+ }
+
+ public String getDescription() {
+ return description;
+ }
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfo.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfo.java
new file mode 100644
index 0000000000000000000000000000000000000000..41618994b463267e41a9eb312db682e497c68e1b
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfo.java
@@ -0,0 +1,81 @@
+package com.destroystokyo.paper.antixray;
+
+import net.minecraft.server.Chunk;
+import net.minecraft.server.DataPalette;
+import net.minecraft.server.PacketPlayOutMapChunk;
+
+public class ChunkPacketInfo<T> {
+
+ private final PacketPlayOutMapChunk packetPlayOutMapChunk;
+ private final Chunk chunk;
+ private final int chunkSectionSelector;
+ private byte[] data;
+ private final int[] bitsPerObject = new int[16];
+ private final Object[] dataPalettes = new Object[16];
+ private final int[] dataBitsIndexes = new int[16];
+ private final Object[][] predefinedObjects = new Object[16][];
+
+ public ChunkPacketInfo(PacketPlayOutMapChunk packetPlayOutMapChunk, Chunk chunk, int chunkSectionSelector) {
+ this.packetPlayOutMapChunk = packetPlayOutMapChunk;
+ this.chunk = chunk;
+ this.chunkSectionSelector = chunkSectionSelector;
+ }
+
+ public PacketPlayOutMapChunk getPacketPlayOutMapChunk() {
+ return packetPlayOutMapChunk;
+ }
+
+ public Chunk getChunk() {
+ return chunk;
+ }
+
+ public int getChunkSectionSelector() {
+ return chunkSectionSelector;
+ }
+
+ public byte[] getData() {
+ return data;
+ }
+
+ public void setData(byte[] data) {
+ this.data = data;
+ }
+
+ public int getBitsPerObject(int chunkSectionIndex) {
+ return bitsPerObject[chunkSectionIndex];
+ }
+
+ public void setBitsPerObject(int chunkSectionIndex, int bitsPerObject) {
+ this.bitsPerObject[chunkSectionIndex] = bitsPerObject;
+ }
+
+ @SuppressWarnings("unchecked")
+ public DataPalette<T> getDataPalette(int chunkSectionIndex) {
+ return (DataPalette<T>) dataPalettes[chunkSectionIndex];
+ }
+
+ public void setDataPalette(int chunkSectionIndex, DataPalette<T> dataPalette) {
+ dataPalettes[chunkSectionIndex] = dataPalette;
+ }
+
+ public int getDataBitsIndex(int chunkSectionIndex) {
+ return dataBitsIndexes[chunkSectionIndex];
+ }
+
+ public void setDataBitsIndex(int chunkSectionIndex, int dataBitsIndex) {
+ dataBitsIndexes[chunkSectionIndex] = dataBitsIndex;
+ }
+
+ @SuppressWarnings("unchecked")
+ public T[] getPredefinedObjects(int chunkSectionIndex) {
+ return (T[]) predefinedObjects[chunkSectionIndex];
+ }
+
+ public void setPredefinedObjects(int chunkSectionIndex, T[] predefinedObjects) {
+ this.predefinedObjects[chunkSectionIndex] = predefinedObjects;
+ }
+
+ public boolean isWritten(int chunkSectionIndex) {
+ return bitsPerObject[chunkSectionIndex] != 0;
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfoAntiXray.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfoAntiXray.java
new file mode 100644
index 0000000000000000000000000000000000000000..e61421d87a19bf2f6ce8836b48c445ffdb6772df
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfoAntiXray.java
@@ -0,0 +1,30 @@
+package com.destroystokyo.paper.antixray;
+
+import net.minecraft.server.Chunk;
+import net.minecraft.server.IBlockData;
+import net.minecraft.server.PacketPlayOutMapChunk;
+
+public final class ChunkPacketInfoAntiXray extends ChunkPacketInfo<IBlockData> implements Runnable {
+
+ private Chunk[] nearbyChunks;
+ private final ChunkPacketBlockControllerAntiXray chunkPacketBlockControllerAntiXray;
+
+ public ChunkPacketInfoAntiXray(PacketPlayOutMapChunk packetPlayOutMapChunk, Chunk chunk, int chunkSectionSelector,
+ ChunkPacketBlockControllerAntiXray chunkPacketBlockControllerAntiXray) {
+ super(packetPlayOutMapChunk, chunk, chunkSectionSelector);
+ this.chunkPacketBlockControllerAntiXray = chunkPacketBlockControllerAntiXray;
+ }
+
+ public Chunk[] getNearbyChunks() {
+ return nearbyChunks;
+ }
+
+ public void setNearbyChunks(Chunk... nearbyChunks) {
+ this.nearbyChunks = nearbyChunks;
+ }
+
+ @Override
+ public void run() {
+ chunkPacketBlockControllerAntiXray.obfuscate(this);
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/antixray/DataBitsReader.java b/src/main/java/com/destroystokyo/paper/antixray/DataBitsReader.java
new file mode 100644
index 0000000000000000000000000000000000000000..298ea423084dbcc1b61f991bcd82b8ae51bf0977
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/antixray/DataBitsReader.java
@@ -0,0 +1,51 @@
+package com.destroystokyo.paper.antixray;
+
+public final class DataBitsReader {
+
+ private byte[] dataBits;
+ private int bitsPerObject;
+ private int mask;
+ private int longInDataBitsIndex;
+ private int bitInLongIndex;
+ private long current;
+
+ public void setDataBits(byte[] dataBits) {
+ this.dataBits = dataBits;
+ }
+
+ public void setBitsPerObject(int bitsPerObject) {
+ this.bitsPerObject = bitsPerObject;
+ mask = (1 << bitsPerObject) - 1;
+ }
+
+ public void setIndex(int index) {
+ this.longInDataBitsIndex = index;
+ bitInLongIndex = 0;
+ init();
+ }
+
+ private void init() {
+ if (dataBits.length > longInDataBitsIndex + 7) {
+ current = ((((long) dataBits[longInDataBitsIndex]) << 56)
+ | (((long) dataBits[longInDataBitsIndex + 1] & 0xff) << 48)
+ | (((long) dataBits[longInDataBitsIndex + 2] & 0xff) << 40)
+ | (((long) dataBits[longInDataBitsIndex + 3] & 0xff) << 32)
+ | (((long) dataBits[longInDataBitsIndex + 4] & 0xff) << 24)
+ | (((long) dataBits[longInDataBitsIndex + 5] & 0xff) << 16)
+ | (((long) dataBits[longInDataBitsIndex + 6] & 0xff) << 8)
+ | (((long) dataBits[longInDataBitsIndex + 7] & 0xff)));
+ }
+ }
+
+ public int read() {
+ if (bitInLongIndex + bitsPerObject > 64) {
+ bitInLongIndex = 0;
+ longInDataBitsIndex += 8;
+ init();
+ }
+
+ int value = (int) (current >>> bitInLongIndex) & mask;
+ bitInLongIndex += bitsPerObject;
+ return value;
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/antixray/DataBitsWriter.java b/src/main/java/com/destroystokyo/paper/antixray/DataBitsWriter.java
new file mode 100644
index 0000000000000000000000000000000000000000..333763936897befda5bb6c077944d2667f922799
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/antixray/DataBitsWriter.java
@@ -0,0 +1,79 @@
+package com.destroystokyo.paper.antixray;
+
+public final class DataBitsWriter {
+
+ private byte[] dataBits;
+ private int bitsPerObject;
+ private long mask;
+ private int longInDataBitsIndex;
+ private int bitInLongIndex;
+ private long current;
+ private boolean dirty;
+
+ public void setDataBits(byte[] dataBits) {
+ this.dataBits = dataBits;
+ }
+
+ public void setBitsPerObject(int bitsPerObject) {
+ this.bitsPerObject = bitsPerObject;
+ mask = (1 << bitsPerObject) - 1;
+ }
+
+ public void setIndex(int index) {
+ this.longInDataBitsIndex = index;
+ bitInLongIndex = 0;
+ init();
+ }
+
+ private void init() {
+ if (dataBits.length > longInDataBitsIndex + 7) {
+ current = ((((long) dataBits[longInDataBitsIndex]) << 56)
+ | (((long) dataBits[longInDataBitsIndex + 1] & 0xff) << 48)
+ | (((long) dataBits[longInDataBitsIndex + 2] & 0xff) << 40)
+ | (((long) dataBits[longInDataBitsIndex + 3] & 0xff) << 32)
+ | (((long) dataBits[longInDataBitsIndex + 4] & 0xff) << 24)
+ | (((long) dataBits[longInDataBitsIndex + 5] & 0xff) << 16)
+ | (((long) dataBits[longInDataBitsIndex + 6] & 0xff) << 8)
+ | (((long) dataBits[longInDataBitsIndex + 7] & 0xff)));
+ }
+
+ dirty = false;
+ }
+
+ public void finish() {
+ if (dirty && dataBits.length > longInDataBitsIndex + 7) {
+ dataBits[longInDataBitsIndex] = (byte) (current >> 56 & 0xff);
+ dataBits[longInDataBitsIndex + 1] = (byte) (current >> 48 & 0xff);
+ dataBits[longInDataBitsIndex + 2] = (byte) (current >> 40 & 0xff);
+ dataBits[longInDataBitsIndex + 3] = (byte) (current >> 32 & 0xff);
+ dataBits[longInDataBitsIndex + 4] = (byte) (current >> 24 & 0xff);
+ dataBits[longInDataBitsIndex + 5] = (byte) (current >> 16 & 0xff);
+ dataBits[longInDataBitsIndex + 6] = (byte) (current >> 8 & 0xff);
+ dataBits[longInDataBitsIndex + 7] = (byte) (current & 0xff);
+ }
+ }
+
+ public void write(int value) {
+ if (bitInLongIndex + bitsPerObject > 64) {
+ finish();
+ bitInLongIndex = 0;
+ longInDataBitsIndex += 8;
+ init();
+ }
+
+ current = current & ~(mask << bitInLongIndex) | (value & mask) << bitInLongIndex;
+ dirty = true;
+ bitInLongIndex += bitsPerObject;
+ }
+
+ public void skip() {
+ bitInLongIndex += bitsPerObject;
+
+ if (bitInLongIndex > 64) {
+ finish();
+ bitInLongIndex = bitsPerObject;
+ longInDataBitsIndex += 8;
+ init();
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 71efd1efab43d5aeabba2ad385016b616f4e4849..4ff3eff58fa8007eca7eec22ef53d23705a98ed9 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -426,7 +426,7 @@ public class Chunk implements IChunkAccess {
return null;
}
- chunksection = new ChunkSection(j >> 4 << 4);
+ chunksection = new ChunkSection(j >> 4 << 4, this, this.world, true); // Paper - Anti-Xray - Add parameters
this.sections[j >> 4] = chunksection;
}
diff --git a/src/main/java/net/minecraft/server/ChunkEmpty.java b/src/main/java/net/minecraft/server/ChunkEmpty.java
index ed22ff28ea6c0978ec0d9d1ecf7baa3f422ed677..d2286f1549de563332c3e4181b9ada30845b3725 100644
--- a/src/main/java/net/minecraft/server/ChunkEmpty.java
+++ b/src/main/java/net/minecraft/server/ChunkEmpty.java
@@ -12,7 +12,7 @@ public class ChunkEmpty extends Chunk {
});
public ChunkEmpty(World world, ChunkCoordIntPair chunkcoordintpair) {
- super(world, chunkcoordintpair, new BiomeStorage(world.r().b(IRegistry.ay), ChunkEmpty.b));
+ super(world, chunkcoordintpair, new BiomeStorage(MinecraftServer.getServer().getCustomRegistry().b(IRegistry.ay), ChunkEmpty.b)); // Paper - world isnt ready yet for anti xray use here, use server singleton for registry
}
// Paper start
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index 23664a8e7c6e642e601fd83c875e5be56826be74..2dc4f1b689d2a2af9ae42156d954eb5284297ec0 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -58,7 +58,7 @@ public class ChunkRegionLoader {
byte b0 = nbttagcompound2.getByte("Y");
if (nbttagcompound2.hasKeyOfType("Palette", 9) && nbttagcompound2.hasKeyOfType("BlockStates", 12)) {
- ChunkSection chunksection = new ChunkSection(b0 << 4);
+ ChunkSection chunksection = new ChunkSection(b0 << 4, null, worldserver, false); // Paper - Anti-Xray - Add parameters
chunksection.getBlocks().a(nbttagcompound2.getList("Palette", 10), nbttagcompound2.getLongArray("BlockStates"));
chunksection.recalcBlockCounts();
@@ -122,7 +122,7 @@ public class ChunkRegionLoader {
// CraftBukkit end
});
} else {
- ProtoChunk protochunk = new ProtoChunk(chunkcoordintpair, chunkconverter, achunksection, protochunkticklist, protochunkticklist1);
+ ProtoChunk protochunk = new ProtoChunk(chunkcoordintpair, chunkconverter, achunksection, protochunkticklist, protochunkticklist1, worldserver); // Paper - Anti-Xray - Add parameter
protochunk.a(biomestorage);
object = protochunk;
diff --git a/src/main/java/net/minecraft/server/ChunkSection.java b/src/main/java/net/minecraft/server/ChunkSection.java
index 5c7068cd93806d67c643ed6aabdfcab8888ed94e..90bb2f7ad9f82818d58de9be918f1299c6725070 100644
--- a/src/main/java/net/minecraft/server/ChunkSection.java
+++ b/src/main/java/net/minecraft/server/ChunkSection.java
@@ -1,6 +1,7 @@
package net.minecraft.server;
import java.util.function.Predicate;
+import com.destroystokyo.paper.antixray.ChunkPacketInfo; // Paper - Anti-Xray - Add chunk packet info
import javax.annotation.Nullable;
public class ChunkSection {
@@ -12,16 +13,22 @@ public class ChunkSection {
private short e;
final DataPaletteBlock<IBlockData> blockIds; // Paper - package-private
- public ChunkSection(int i) {
- this(i, (short) 0, (short) 0, (short) 0);
+ // Paper start - Anti-Xray - Add parameters
+ @Deprecated public ChunkSection(int i) { this(i, null, null, true); } // Notice for updates: Please make sure this constructor isn't used anywhere
+ public ChunkSection(int i, IChunkAccess chunk, World world, boolean initializeBlocks) {
+ this(i, (short) 0, (short) 0, (short) 0, chunk, world, initializeBlocks);
+ // Paper end
}
- public ChunkSection(int i, short short0, short short1, short short2) {
+ // Paper start - Anti-Xray - Add parameters
+ @Deprecated public ChunkSection(int i, short short0, short short1, short short2) { this(i, short0, short1, short2, null, null, true); } // Notice for updates: Please make sure this constructor isn't used anywhere
+ public ChunkSection(int i, short short0, short short1, short short2, IChunkAccess chunk, World world, boolean initializeBlocks) {
+ // Paper end
this.yPos = i;
this.nonEmptyBlockCount = short0;
this.tickingBlockCount = short1;
this.e = short2;
- this.blockIds = new DataPaletteBlock<>(ChunkSection.GLOBAL_PALETTE, Block.REGISTRY_ID, GameProfileSerializer::c, GameProfileSerializer::a, Blocks.AIR.getBlockData());
+ this.blockIds = new DataPaletteBlock<>(ChunkSection.GLOBAL_PALETTE, Block.REGISTRY_ID, GameProfileSerializer::c, GameProfileSerializer::a, Blocks.AIR.getBlockData(), world == null ? null : world.chunkPacketBlockController.getPredefinedBlockData(world, chunk, this, initializeBlocks), initializeBlocks); // Paper - Anti-Xray - Add predefined block data
}
public final IBlockData getType(int i, int j, int k) { // Paper
@@ -133,10 +140,14 @@ public class ChunkSection {
return this.blockIds;
}
- public void writeChunkSection(PacketDataSerializer packetDataSerializer) { this.b(packetDataSerializer); } // Paper - OBFHELPER
- public void b(PacketDataSerializer packetdataserializer) {
+ // Paper start - Anti-Xray - Add chunk packet info
+ @Deprecated public final void writeChunkSection(PacketDataSerializer packetDataSerializer) { this.b(packetDataSerializer); } // OBFHELPER // Notice for updates: Please make sure this method isn't used anywhere
+ @Deprecated public final void b(PacketDataSerializer packetdataserializer) { this.writeChunkSection(packetdataserializer, null); } // Notice for updates: Please make sure this method isn't used anywhere
+ public final void writeChunkSection(PacketDataSerializer packetDataSerializer, ChunkPacketInfo<IBlockData> chunkPacketInfo) { this.b(packetDataSerializer, chunkPacketInfo); } // OBFHELPER
+ public void b(PacketDataSerializer packetdataserializer, ChunkPacketInfo<IBlockData> chunkPacketInfo) {
+ // Paper end
packetdataserializer.writeShort(this.nonEmptyBlockCount);
- this.blockIds.b(packetdataserializer);
+ this.blockIds.writeDataPaletteBlock(packetdataserializer, chunkPacketInfo, this.yPos >> 4); // Paper - Anti-Xray - Add chunk packet info
}
public int j() {
diff --git a/src/main/java/net/minecraft/server/DataPaletteBlock.java b/src/main/java/net/minecraft/server/DataPaletteBlock.java
index f4c1b8d32b239c44e70d3fa6d094b74955f75339..ed77117630d54b7ad81f633110c7d2a7c59288e9 100644
--- a/src/main/java/net/minecraft/server/DataPaletteBlock.java
+++ b/src/main/java/net/minecraft/server/DataPaletteBlock.java
@@ -1,6 +1,7 @@
package net.minecraft.server;
import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
+import com.destroystokyo.paper.antixray.ChunkPacketInfo; // Paper - Anti-Xray - Add chunk packet info
import java.util.Arrays;
import java.util.Objects;
import java.util.concurrent.locks.ReentrantLock;
@@ -18,6 +19,7 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
private final Function<NBTTagCompound, T> e;
private final Function<T, NBTTagCompound> f;
private final T g;
+ private final T[] predefinedObjects; // Paper - Anti-Xray - Add predefined objects
protected DataBits a; public final DataBits getDataBits() { return this.a; } // Paper - OBFHELPER
private DataPalette<T> h; private DataPalette<T> getDataPalette() { return this.h; } // Paper - OBFHELPER
private int i; private int getBitsPerObject() { return this.i; } // Paper - OBFHELPER
@@ -42,14 +44,47 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
//this.j.unlock(); // Paper - disable this
}
- public DataPaletteBlock(DataPalette<T> datapalette, RegistryBlockID<T> registryblockid, Function<NBTTagCompound, T> function, Function<T, NBTTagCompound> function1, T t0) {
+ // Paper start - Anti-Xray - Add predefined objects
+ @Deprecated public DataPaletteBlock(DataPalette<T> datapalette, RegistryBlockID<T> registryblockid, Function<NBTTagCompound, T> function, Function<T, NBTTagCompound> function1, T t0) { this(datapalette, registryblockid, function, function1, t0, null, true); } // Notice for updates: Please make sure this constructor isn't used anywhere
+ public DataPaletteBlock(DataPalette<T> datapalette, RegistryBlockID<T> registryblockid, Function<NBTTagCompound, T> function, Function<T, NBTTagCompound> function1, T t0, T[] predefinedObjects, boolean initialize) {
+ // Paper end
this.b = datapalette;
this.d = registryblockid;
this.e = function;
this.f = function1;
this.g = t0;
- this.b(4);
+ // Paper start - Anti-Xray - Add predefined objects
+ this.predefinedObjects = predefinedObjects;
+
+ if (initialize) {
+ if (predefinedObjects == null) {
+ // Default
+ this.initialize(4);
+ } else {
+ // MathHelper.d() is trailingBits(roundCeilPow2(n)), alternatively; (int)ceil(log2(n)); however it's trash, use numberOfLeadingZeros instead
+ // Count the bits of the maximum array index to initialize a data palette with enough space from the beginning
+ // The length of the array is used because air is also added to the data palette from the beginning
+ // Start with at least 4
+ int maxIndex = predefinedObjects.length >> 4;
+ int bitCount = (32 - Integer.numberOfLeadingZeros(Math.max(16, maxIndex) - 1));
+
+ // Initialize with at least 15 free indixes
+ this.initialize((1 << bitCount) - predefinedObjects.length < 16 ? bitCount + 1 : bitCount);
+ this.addPredefinedObjects();
+ }
+ }
+ // Paper end
+ }
+
+ // Paper start - Anti-Xray - Add predefined objects
+ private void addPredefinedObjects() {
+ if (this.predefinedObjects != null && this.getDataPalette() != this.getDataPaletteGlobal()) {
+ for (int i = 0; i < this.predefinedObjects.length; i++) {
+ this.getDataPalette().getOrCreateIdFor(this.predefinedObjects[i]);
+ }
+ }
}
+ // Paper end
private static int b(int i, int j, int k) {
return j << 8 | k << 4 | i;
@@ -84,6 +119,7 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
int j;
+ this.addPredefinedObjects(); // Paper - Anti-Xray - Add predefined objects
for (j = 0; j < databits.b(); ++j) {
T t1 = datapalette.a(databits.a(j));
@@ -133,24 +169,38 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
return t0 == null ? this.g : t0;
}
- public void writeDataPaletteBlock(PacketDataSerializer packetDataSerializer) { this.b(packetDataSerializer); } // Paper - OBFHELPER
- public synchronized void b(PacketDataSerializer packetdataserializer) { // Paper - synchronize
+ // Paper start - Anti-Xray - Add chunk packet info
+ @Deprecated public void writeDataPaletteBlock(PacketDataSerializer packetDataSerializer) { this.b(packetDataSerializer); } // OBFHELPER // Notice for updates: Please make sure this method isn't used anywhere
+ @Deprecated public void b(PacketDataSerializer packetdataserializer) { this.writeDataPaletteBlock(packetdataserializer, null, 0); } // Notice for updates: Please make sure this method isn't used anywhere
+ public void writeDataPaletteBlock(PacketDataSerializer packetDataSerializer, ChunkPacketInfo<T> chunkPacketInfo, int chunkSectionIndex) { this.b(packetDataSerializer, chunkPacketInfo, chunkSectionIndex); } // OBFHELPER
+ public synchronized void b(PacketDataSerializer packetdataserializer, ChunkPacketInfo<T> chunkPacketInfo, int chunkSectionIndex) { // Paper - synchronize
+ // Paper end
this.a();
packetdataserializer.writeByte(this.i);
this.h.b(packetdataserializer);
+ // Paper start - Anti-Xray - Add chunk packet info
+ if (chunkPacketInfo != null) {
+ chunkPacketInfo.setBitsPerObject(chunkSectionIndex, this.getBitsPerObject());
+ chunkPacketInfo.setDataPalette(chunkSectionIndex, this.getDataPalette());
+ chunkPacketInfo.setDataBitsIndex(chunkSectionIndex, packetdataserializer.writerIndex() + PacketDataSerializer.countBytes(this.getDataBits().getDataBits().length));
+ chunkPacketInfo.setPredefinedObjects(chunkSectionIndex, this.predefinedObjects);
+ }
+ // Paper end
packetdataserializer.a(this.a.a());
this.b();
}
public synchronized void a(NBTTagList nbttaglist, long[] along) { // Paper - synchronize
this.a();
- int i = Math.max(4, MathHelper.e(nbttaglist.size()));
+ // Paper - Anti-Xray - TODO: Should this.predefinedObjects.length just be added here (faster) or should the contents be compared to calculate the size (less RAM)?
+ int i = Math.max(4, MathHelper.e(nbttaglist.size() + (this.predefinedObjects == null ? 0 : this.predefinedObjects.length))); // Paper - Anti-Xray - Calculate the size with predefined objects
- if (i != this.i) {
+ if (true || i != this.i) { // Paper - Anti-Xray - Not initialized yet
this.b(i);
}
this.h.a(nbttaglist);
+ this.addPredefinedObjects(); // Paper - Anti-Xray - Add predefined objects
int j = along.length * 64 / 4096;
if (this.h == this.b) {
diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
index 5fae0ec8933cef2b87d2f465c8019af0af2e130d..5094a5d6fb3c1a84d6e8f6abe79e894c047d9cfa 100644
--- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
+++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
@@ -1,5 +1,6 @@
package net.minecraft.server;
+import com.destroystokyo.paper.antixray.ChunkPacketInfo; // Paper - Anti-Xray - Add chunk packet info
import com.google.common.collect.Lists;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
@@ -21,7 +22,13 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
private List<NBTTagCompound> g;
private boolean h;
- public PacketPlayOutMapChunk() {}
+ // Paper start - Async-Anti-Xray - Set the ready flag to true
+ private volatile boolean ready; // Paper - Async-Anti-Xray - Ready flag for the network manager
+ public PacketPlayOutMapChunk() {
+ this.ready = true;
+ }
+ // Paper end
+
// Paper start
private final java.util.List<Packet> extraPackets = new java.util.ArrayList<>();
private static final int TE_LIMIT = Integer.getInteger("Paper.excessiveTELimit", 750);
@@ -32,6 +39,7 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
}
// Paper end
public PacketPlayOutMapChunk(Chunk chunk, int i) {
+ ChunkPacketInfo<IBlockData> chunkPacketInfo = chunk.world.chunkPacketBlockController.getChunkPacketInfo(this, chunk, i); // Paper - Anti-Xray - Add chunk packet info
ChunkCoordIntPair chunkcoordintpair = chunk.getPos();
this.a = chunkcoordintpair.x;
@@ -54,7 +62,12 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
}
this.f = new byte[this.a(chunk, i)];
- this.c = this.a(new PacketDataSerializer(this.j()), chunk, i);
+ // Paper start - Anti-Xray - Add chunk packet info
+ if (chunkPacketInfo != null) {
+ chunkPacketInfo.setData(this.getData());
+ }
+ this.c = this.writeChunk(new PacketDataSerializer(this.j()), chunk, i, chunkPacketInfo);
+ // Paper end
this.g = Lists.newArrayList();
iterator = chunk.getTileEntities().entrySet().iterator();
int totalTileEntities = 0; // Paper
@@ -81,8 +94,19 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
this.g.add(nbttagcompound);
}
}
+ chunk.world.chunkPacketBlockController.modifyBlocks(this, chunkPacketInfo); // Paper - Anti-Xray - Modify blocks
+ }
+ // Paper start - Async-Anti-Xray - Getter and Setter for the ready flag
+ @Override
+ public boolean isReady() {
+ return this.ready;
+ }
+
+ public void setReady(boolean ready) {
+ this.ready = ready;
}
+ // Paper end
@Override
public void a(PacketDataSerializer packetdataserializer) throws IOException {
@@ -148,8 +172,12 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
return bytebuf;
}
- public int writeChunk(PacketDataSerializer packetDataSerializer, Chunk chunk, int chunkSectionSelector) { return this.a(packetDataSerializer, chunk, chunkSectionSelector); } // Paper - OBFHELPER
- public int a(PacketDataSerializer packetdataserializer, Chunk chunk, int i) {
+ // Paper start - Anti-Xray - Add chunk packet info
+ @Deprecated public int writeChunk(PacketDataSerializer packetDataSerializer, Chunk chunk, int chunkSectionSelector) { return this.a(packetDataSerializer, chunk, chunkSectionSelector); } // OBFHELPER // Notice for updates: Please make sure this method isn't used anywhere
+ @Deprecated public int a(PacketDataSerializer packetdataserializer, Chunk chunk, int i) { return this.writeChunk(packetdataserializer, chunk, i, null); } // Notice for updates: Please make sure this method isn't used anywhere
+ public int writeChunk(PacketDataSerializer packetDataSerializer, Chunk chunk, int chunkSectionSelector, ChunkPacketInfo<IBlockData> chunkPacketInfo) { return this.a(packetDataSerializer, chunk, chunkSectionSelector, chunkPacketInfo); } // OBFHELPER
+ public int a(PacketDataSerializer packetdataserializer, Chunk chunk, int i, ChunkPacketInfo<IBlockData> chunkPacketInfo) {
+ // Paper end
int j = 0;
ChunkSection[] achunksection = chunk.getSections();
int k = 0;
@@ -159,7 +187,7 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
if (chunksection != Chunk.a && (!this.f() || !chunksection.c()) && (i & 1 << k) != 0) {
j |= 1 << k;
- chunksection.b(packetdataserializer);
+ chunksection.writeChunkSection(packetdataserializer, chunkPacketInfo); // Paper - Anti-Xray - Add chunk packet info
}
}
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index c4ed4d58f7b344626acb13baeb14288970a7bb90..8e79200b23f2dee612b0cbdcd6359a25dc2323cb 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -609,7 +609,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
this.g(chunkcoordintpair);
- return Either.left(new ProtoChunk(chunkcoordintpair, ChunkConverter.a));
+ return Either.left(new ProtoChunk(chunkcoordintpair, ChunkConverter.a, this.world)); // Paper - Anti-Xray - Add parameter
}, this.executor);
}
diff --git a/src/main/java/net/minecraft/server/PlayerInteractManager.java b/src/main/java/net/minecraft/server/PlayerInteractManager.java
index 3056468a7e70238228b91be0f103cfbe111fedb5..cdaeeb8b01f084ae7a91f9681850a737af8a74be 100644
--- a/src/main/java/net/minecraft/server/PlayerInteractManager.java
+++ b/src/main/java/net/minecraft/server/PlayerInteractManager.java
@@ -275,6 +275,8 @@ public class PlayerInteractManager {
}
}
+
+ this.world.chunkPacketBlockController.onPlayerLeftClickBlock(this, blockposition, enumdirection); // Paper - Anti-Xray
}
public void a(BlockPosition blockposition, PacketPlayInBlockDig.EnumPlayerDigType packetplayinblockdig_enumplayerdigtype, String s) {
diff --git a/src/main/java/net/minecraft/server/ProtoChunk.java b/src/main/java/net/minecraft/server/ProtoChunk.java
index 2bcd26ccccf4503241c6b77600ed6ce1d94ccfcc..912c5187a08e972fc9455aed33278387a83f03f2 100644
--- a/src/main/java/net/minecraft/server/ProtoChunk.java
+++ b/src/main/java/net/minecraft/server/ProtoChunk.java
@@ -46,16 +46,24 @@ public class ProtoChunk implements IChunkAccess {
private long s;
private final Map<WorldGenStage.Features, BitSet> t;
private volatile boolean u;
+ private final World world; // Paper - Anti-Xray - Add world
- public ProtoChunk(ChunkCoordIntPair chunkcoordintpair, ChunkConverter chunkconverter) {
+ // Paper start - Anti-Xray - Add world
+ @Deprecated public ProtoChunk(ChunkCoordIntPair chunkcoordintpair, ChunkConverter chunkconverter) { this(chunkcoordintpair, chunkconverter, null); } // Notice for updates: Please make sure this constructor isn't used anywhere
+ public ProtoChunk(ChunkCoordIntPair chunkcoordintpair, ChunkConverter chunkconverter, World world) {
+ // Paper end
this(chunkcoordintpair, chunkconverter, (ChunkSection[]) null, new ProtoChunkTickList<>((block) -> {
return block == null || block.getBlockData().isAir();
}, chunkcoordintpair), new ProtoChunkTickList<>((fluidtype) -> {
return fluidtype == null || fluidtype == FluidTypes.EMPTY;
- }, chunkcoordintpair));
+ }, chunkcoordintpair), world); // Paper - Anti-Xray - Add world
}
- public ProtoChunk(ChunkCoordIntPair chunkcoordintpair, ChunkConverter chunkconverter, @Nullable ChunkSection[] achunksection, ProtoChunkTickList<Block> protochunkticklist, ProtoChunkTickList<FluidType> protochunkticklist1) {
+ // Paper start - Anti-Xray - Add world
+ @Deprecated public ProtoChunk(ChunkCoordIntPair chunkcoordintpair, ChunkConverter chunkconverter, @Nullable ChunkSection[] achunksection, ProtoChunkTickList<Block> protochunkticklist, ProtoChunkTickList<FluidType> protochunkticklist1) { this(chunkcoordintpair, chunkconverter, achunksection, protochunkticklist, protochunkticklist1, null); } // Notice for updates: Please make sure this constructor isn't used anywhere
+ public ProtoChunk(ChunkCoordIntPair chunkcoordintpair, ChunkConverter chunkconverter, @Nullable ChunkSection[] achunksection, ProtoChunkTickList<Block> protochunkticklist, ProtoChunkTickList<FluidType> protochunkticklist1, World world) {
+ this.world = world;
+ // Paper end
this.f = Maps.newEnumMap(HeightMap.Type.class);
this.g = ChunkStatus.EMPTY;
this.h = Maps.newHashMap();
@@ -210,7 +218,7 @@ public class ProtoChunk implements IChunkAccess {
public ChunkSection a(int i) {
if (this.j[i] == Chunk.a) {
- this.j[i] = new ChunkSection(i << 4);
+ this.j[i] = new ChunkSection(i << 4, this, this.world, true); // Paper - Anti-Xray - Add parameters
}
return this.j[i];
diff --git a/src/main/java/net/minecraft/server/ProtoChunkExtension.java b/src/main/java/net/minecraft/server/ProtoChunkExtension.java
index 420bf7116def909d3dd7dc9a799723446ddf8f7f..300cbb8b01d94e7eb0cded0c8e118103c416d4b6 100644
--- a/src/main/java/net/minecraft/server/ProtoChunkExtension.java
+++ b/src/main/java/net/minecraft/server/ProtoChunkExtension.java
@@ -11,7 +11,7 @@ public class ProtoChunkExtension extends ProtoChunk {
private final Chunk a;
public ProtoChunkExtension(Chunk chunk) {
- super(chunk.getPos(), ChunkConverter.a);
+ super(chunk.getPos(), ChunkConverter.a, chunk.world); // Paper - Anti-Xray - Add parameter
this.a = chunk;
}
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 048cfcd32c774148f424b246b1f7048fd437afd8..e7ad9a926f58cc7e5d70229dd69f2f5b34603a39 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -2,6 +2,8 @@ package net.minecraft.server;
import co.aikar.timings.Timing;
import co.aikar.timings.Timings;
+import com.destroystokyo.paper.antixray.ChunkPacketBlockController; // Paper - Anti-Xray
+import com.destroystokyo.paper.antixray.ChunkPacketBlockControllerAntiXray; // Paper - Anti-Xray
import com.destroystokyo.paper.event.server.ServerExceptionEvent;
import com.destroystokyo.paper.exception.ServerInternalException;
import com.google.common.base.MoreObjects;
@@ -84,6 +86,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
public final org.spigotmc.SpigotWorldConfig spigotConfig; // Spigot
public final com.destroystokyo.paper.PaperWorldConfig paperConfig; // Paper
+ public final ChunkPacketBlockController chunkPacketBlockController; // Paper - Anti-Xray
public final co.aikar.timings.WorldTimingsHandler timings; // Paper
public static BlockPosition lastPhysicsProblem; // Spigot
@@ -105,9 +108,10 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
return typeKey;
}
- protected World(WorldDataMutable worlddatamutable, ResourceKey<World> resourcekey, final DimensionManager dimensionmanager, Supplier<GameProfilerFiller> supplier, boolean flag, boolean flag1, long i, org.bukkit.generator.ChunkGenerator gen, org.bukkit.World.Environment env) {
+ protected World(WorldDataMutable worlddatamutable, ResourceKey<World> resourcekey, final DimensionManager dimensionmanager, Supplier<GameProfilerFiller> supplier, boolean flag, boolean flag1, long i, org.bukkit.generator.ChunkGenerator gen, org.bukkit.World.Environment env, java.util.concurrent.Executor executor) { // Paper
this.spigotConfig = new org.spigotmc.SpigotWorldConfig(((WorldDataServer) worlddatamutable).getName()); // Spigot
this.paperConfig = new com.destroystokyo.paper.PaperWorldConfig((((WorldDataServer)worlddatamutable).getName()), this.spigotConfig); // Paper
+ this.chunkPacketBlockController = this.paperConfig.antiXray ? new ChunkPacketBlockControllerAntiXray(this, executor) : ChunkPacketBlockController.NO_OPERATION_INSTANCE; // Paper - Anti-Xray
this.generator = gen;
this.world = new CraftWorld((WorldServer) this, gen, env);
this.ticksPerAnimalSpawns = this.getServer().getTicksPerAnimalSpawns(); // CraftBukkit
@@ -372,6 +376,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
// CraftBukkit end
IBlockData iblockdata1 = chunk.setType(blockposition, iblockdata, (i & 64) != 0, (i & 1024) == 0); // CraftBukkit custom NO_PLACE flag
+ this.chunkPacketBlockController.onBlockChange(this, blockposition, iblockdata, iblockdata1, i); // Paper - Anti-Xray
if (iblockdata1 == null) {
// CraftBukkit start - remove blockstate if failed (or the same)
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 5a35395434ffdefd410573302a3d46cca9642a81..6b52f9b9adce975cdafaf12b2a1bea5ef1bbaaa4 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -100,7 +100,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
// Add env and gen to constructor, WorldData -> WorldDataServer
public WorldServer(MinecraftServer minecraftserver, Executor executor, Convertable.ConversionSession convertable_conversionsession, IWorldDataServer iworlddataserver, ResourceKey<World> resourcekey, DimensionManager dimensionmanager, WorldLoadListener worldloadlistener, ChunkGenerator chunkgenerator, boolean flag, long i, List<MobSpawner> list, boolean flag1, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen) {
- super(iworlddataserver, resourcekey, dimensionmanager, minecraftserver::getMethodProfiler, false, flag, i, gen, env);
+ super(iworlddataserver, resourcekey, dimensionmanager, minecraftserver::getMethodProfiler, false, flag, i, gen, env, executor); // Paper pass executor
this.pvpMode = minecraftserver.getPVP();
convertable = convertable_conversionsession;
uuid = WorldUUID.getUUID(convertable_conversionsession.folder.toFile());
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
index 4aeae5ef72c2d929c86b4f9575f2c162710f99f0..d40ef8353b2c025309144b4123d6a7dff04a9c62 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
@@ -42,7 +42,7 @@ public class CraftChunk implements Chunk {
private final WorldServer worldServer;
private final int x;
private final int z;
- private static final DataPaletteBlock<IBlockData> emptyBlockIDs = new ChunkSection(0).getBlocks();
+ private static final DataPaletteBlock<IBlockData> emptyBlockIDs = new ChunkSection(0, null, null, true).getBlocks(); // Paper - Anti-Xray - Add parameters
private static final byte[] emptyLight = new byte[2048];
public CraftChunk(net.minecraft.server.Chunk chunk) {
@@ -264,7 +264,7 @@ public class CraftChunk implements Chunk {
NBTTagCompound data = new NBTTagCompound();
cs[i].getBlocks().a(data, "Palette", "BlockStates");
- DataPaletteBlock blockids = new DataPaletteBlock<>(ChunkSection.GLOBAL_PALETTE, net.minecraft.server.Block.REGISTRY_ID, GameProfileSerializer::c, GameProfileSerializer::a, Blocks.AIR.getBlockData()); // TODO: snapshot whole ChunkSection
+ DataPaletteBlock blockids = new DataPaletteBlock<>(ChunkSection.GLOBAL_PALETTE, net.minecraft.server.Block.REGISTRY_ID, GameProfileSerializer::c, GameProfileSerializer::a, Blocks.AIR.getBlockData(), null, false); // TODO: snapshot whole ChunkSection // Paper - Anti-Xray - Add no predefined block data and don't initialize because it's done in the line below internally
blockids.a(data.getList("Palette", CraftMagicNumbers.NBT.TAG_COMPOUND), data.getLongArray("BlockStates"));
sectionBlockIDs[i] = blockids;
diff --git a/src/main/java/org/bukkit/craftbukkit/generator/CraftChunkData.java b/src/main/java/org/bukkit/craftbukkit/generator/CraftChunkData.java
index 8191e7c34899e204b8afbb2fd11d235e8ef8db99..bb18740ebdf4a14ced9944efa82103b350b32ba5 100644
--- a/src/main/java/org/bukkit/craftbukkit/generator/CraftChunkData.java
+++ b/src/main/java/org/bukkit/craftbukkit/generator/CraftChunkData.java
@@ -21,9 +21,11 @@ public final class CraftChunkData implements ChunkGenerator.ChunkData {
private final int maxHeight;
private final ChunkSection[] sections;
private Set<BlockPosition> tiles;
+ private World world; // Paper - Anti-Xray - Add world
public CraftChunkData(World world) {
this(world.getMaxHeight());
+ this.world = world; // Paper - Anti-Xray - Add world
}
/* pp for tests */ CraftChunkData(int maxHeight) {
@@ -157,7 +159,7 @@ public final class CraftChunkData implements ChunkGenerator.ChunkData {
private ChunkSection getChunkSection(int y, boolean create) {
ChunkSection section = sections[y >> 4];
if (create && section == null) {
- sections[y >> 4] = section = new ChunkSection(y >> 4 << 4);
+ sections[y >> 4] = section = new ChunkSection(y >> 4 << 4, null, world instanceof org.bukkit.craftbukkit.CraftWorld ? ((org.bukkit.craftbukkit.CraftWorld) world).getHandle() : null, true); // Paper - Anti-Xray - Add parameters
}
return section;
}
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