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More moving around of hunks

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This commit is contained in:
Nassim Jahnke
2024-12-05 14:44:50 +01:00
parent 10cba26ae2
commit c6e8192e3b
7 changed files with 398 additions and 186 deletions
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119
patches/server/Anti-Xray.patch
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@@ -1000,6 +1000,48 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ chunkPacketBlockControllerAntiXray.obfuscate(this);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/FeatureHooks.java b/src/main/java/io/papermc/paper/FeatureHooks.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/io/papermc/paper/FeatureHooks.java
+++ b/src/main/java/io/papermc/paper/FeatureHooks.java
@@ -0,0 +0,0 @@ import it.unimi.dsi.fastutil.longs.LongSets;
import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet;
import it.unimi.dsi.fastutil.objects.ObjectSet;
import it.unimi.dsi.fastutil.objects.ObjectSets;
+import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
@@ -0,0 +0,0 @@ public final class FeatureHooks {
}
public static LevelChunkSection createSection(final Registry<Biome> biomeRegistry, final Level level, final ChunkPos chunkPos, final int chunkSection) {
- return new LevelChunkSection(biomeRegistry);
+ return new LevelChunkSection(biomeRegistry, level, chunkPos, chunkSection); // Paper - Anti-Xray - Add parameters
}
public static void sendChunkRefreshPackets(final List<ServerPlayer> playersInRange, final LevelChunk chunk) {
- final ClientboundLevelChunkWithLightPacket refreshPacket = new ClientboundLevelChunkWithLightPacket(chunk, chunk.level.getLightEngine(), null, null);
+ // Paper start - Anti-Xray
+ final Map<Object, ClientboundLevelChunkWithLightPacket> refreshPackets = new HashMap<>();
for (final ServerPlayer player : playersInRange) {
if (player.connection == null) continue;
- player.connection.send(refreshPacket);
+ final Boolean shouldModify = chunk.getLevel().chunkPacketBlockController.shouldModify(player, chunk);
+ player.connection.send(refreshPackets.computeIfAbsent(shouldModify, s -> { // Use connection to prevent creating firing event
+ return new ClientboundLevelChunkWithLightPacket(chunk, chunk.level.getLightEngine(), null, null, (Boolean) s);
+ }));
}
+ // Paper end - Anti-Xray
}
public static PalettedContainer<BlockState> emptyPalettedBlockContainer() {
- return new PalettedContainer<>(Block.BLOCK_STATE_REGISTRY, Blocks.AIR.defaultBlockState(), PalettedContainer.Strategy.SECTION_STATES);
+ return new PalettedContainer<>(Block.BLOCK_STATE_REGISTRY, Blocks.AIR.defaultBlockState(), PalettedContainer.Strategy.SECTION_STATES, null); // Paper - Anti-Xray - Add preset block states
}
public static Set<Long> getSentChunkKeys(final ServerPlayer player) {
diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundChunksBiomesPacket.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundChunksBiomesPacket.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundChunksBiomesPacket.java
@@ -1584,80 +1626,3 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
}
// CraftBukkit end
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
@@ -0,0 +0,0 @@ public class CraftChunk implements Chunk {
private final ServerLevel worldServer;
private final int x;
private final int z;
- private static final PalettedContainer<net.minecraft.world.level.block.state.BlockState> emptyBlockIDs = new PalettedContainer<>(net.minecraft.world.level.block.Block.BLOCK_STATE_REGISTRY, Blocks.AIR.defaultBlockState(), PalettedContainer.Strategy.SECTION_STATES);
+ private static final PalettedContainer<net.minecraft.world.level.block.state.BlockState> emptyBlockIDs = new PalettedContainer<>(net.minecraft.world.level.block.Block.BLOCK_STATE_REGISTRY, Blocks.AIR.defaultBlockState(), PalettedContainer.Strategy.SECTION_STATES, null); // Paper - Anti-Xray - Add preset block states
private static final byte[] FULL_LIGHT = new byte[2048];
private static final byte[] EMPTY_LIGHT = new byte[2048];
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -0,0 +0,0 @@ public final class CraftServer implements Server {
public ChunkGenerator.ChunkData createChunkData(World world) {
Preconditions.checkArgument(world != null, "World cannot be null");
ServerLevel handle = ((CraftWorld) world).getHandle();
- return new OldCraftChunkData(world.getMinHeight(), world.getMaxHeight(), handle.registryAccess().lookupOrThrow(Registries.BIOME));
+ return new OldCraftChunkData(world.getMinHeight(), world.getMaxHeight(), handle.registryAccess().lookupOrThrow(Registries.BIOME), world); // Paper - Anti-Xray - Add parameters
}
@Override
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -0,0 +0,0 @@ public class CraftWorld extends CraftRegionAccessor implements World {
List<ServerPlayer> playersInRange = playerChunk.playerProvider.getPlayers(playerChunk.getPos(), false);
if (playersInRange.isEmpty()) return;
- ClientboundLevelChunkWithLightPacket refreshPacket = new ClientboundLevelChunkWithLightPacket(chunk, this.world.getLightEngine(), null, null);
+ // Paper start - Anti-Xray bypass
+ final Map<Object, ClientboundLevelChunkWithLightPacket> refreshPackets = new HashMap<>();
for (ServerPlayer player : playersInRange) {
if (player.connection == null) continue;
- player.connection.send(refreshPacket);
+ Boolean shouldModify = chunk.getLevel().chunkPacketBlockController.shouldModify(player, chunk);
+ player.connection.send(refreshPackets.computeIfAbsent(shouldModify, s -> { // Use connection to prevent creating firing event
+ return new ClientboundLevelChunkWithLightPacket(chunk, this.world.getLightEngine(), null, null, (Boolean) s);
+ }));
+ // Paper end - Anti-Xray bypass
}
});
});
diff --git a/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java b/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java
+++ b/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java
@@ -0,0 +0,0 @@ public final class OldCraftChunkData implements ChunkGenerator.ChunkData {
private final Registry<net.minecraft.world.level.biome.Biome> biomes;
private Set<BlockPos> tiles;
private final Set<BlockPos> lights = new HashSet<>();
+ // Paper start - Anti-Xray - Add parameters
+ private final org.bukkit.World world;
- public OldCraftChunkData(int minHeight, int maxHeight, Registry<net.minecraft.world.level.biome.Biome> biomes) {
+ @Deprecated @io.papermc.paper.annotation.DoNotUse public OldCraftChunkData(int minHeight, int maxHeight, Registry<net.minecraft.world.level.biome.Biome> biomes) { this(minHeight, maxHeight, biomes, null); }
+ public OldCraftChunkData(int minHeight, int maxHeight, Registry<net.minecraft.world.level.biome.Biome> biomes, org.bukkit.World world) {
+ this.world = world;
+ // Paper end
this.minHeight = minHeight;
this.maxHeight = maxHeight;
this.biomes = biomes;
@@ -0,0 +0,0 @@ public final class OldCraftChunkData implements ChunkGenerator.ChunkData {
int offset = (y - this.minHeight) >> 4;
LevelChunkSection section = this.sections[offset];
if (create && section == null) {
- this.sections[offset] = section = new LevelChunkSection(this.biomes);
+ this.sections[offset] = section = new LevelChunkSection(this.biomes, this.world instanceof org.bukkit.craftbukkit.CraftWorld ? ((org.bukkit.craftbukkit.CraftWorld) this.world).getHandle() : null, null, offset + (this.minHeight >> 4)); // Paper - Anti-Xray - Add parameters
}
return section;
}