Improve tag parser handling, move hunks out of chunk system patch

This commit is contained in:
Nassim Jahnke 2024-02-05 12:31:51 +01:00
parent f2da18d62e
commit 679f34297e
8 changed files with 222 additions and 115 deletions

View file

@ -261,8 +261,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
// PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel()); // Paper - AsyncTabCompleteEvent; run this async
// CraftBukkit start
if (this.chatSpamTickCount.addAndGet(io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.tabSpamIncrement) > io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.tabSpamLimit && !this.server.getPlayerList().isOp(this.player.getGameProfile())) { // Paper - configurable tab spam limits
- server.scheduleOnMain(() -> this.disconnect(Component.translatable("disconnect.spam"))); // Paper - AsyncTabCompleteEvent
+ server.scheduleOnMain(() -> this.disconnect(Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM)); // Paper - AsyncTabCompleteEvent & kick event cause
- this.disconnect(Component.translatable("disconnect.spam"));
+ this.disconnect(Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM); // Paper - Kick event cause
return;
}
// CraftBukkit end

View file

@ -33,59 +33,52 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ // PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel()); // Paper - AsyncTabCompleteEvent; run this async
// CraftBukkit start
if (this.chatSpamTickCount.addAndGet(1) > 500 && !this.server.getPlayerList().isOp(this.player.getGameProfile())) {
- this.disconnect(Component.translatable("disconnect.spam"));
+ server.scheduleOnMain(() -> this.disconnect(Component.translatable("disconnect.spam"))); // Paper - AsyncTabCompleteEvent
this.disconnect(Component.translatable("disconnect.spam"));
return;
}
// CraftBukkit end
+ // Paper start - AsyncTabCompleteEvent
+ TAB_COMPLETE_EXECUTOR.execute(() -> {
+ TAB_COMPLETE_EXECUTOR.execute(() -> this.handleCustomCommandSuggestions0(packet));
+ }
+
+ private void handleCustomCommandSuggestions0(final ServerboundCommandSuggestionPacket packet) {
StringReader stringreader = new StringReader(packet.getCommand());
if (stringreader.canRead() && stringreader.peek() == '/') {
stringreader.skip();
}
-
- ParseResults<CommandSourceStack> parseresults = this.server.getCommands().getDispatcher().parse(stringreader, this.player.createCommandSourceStack());
-
- this.server.getCommands().getDispatcher().getCompletionSuggestions(parseresults).thenAccept((suggestions) -> {
- if (suggestions.isEmpty()) return; // CraftBukkit - don't send through empty suggestions - prevents [<args>] from showing for plugins with nothing more to offer
- this.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestions));
+ final String command = packet.getCommand();
+ final com.destroystokyo.paper.event.server.AsyncTabCompleteEvent event = new com.destroystokyo.paper.event.server.AsyncTabCompleteEvent(this.getCraftPlayer(), command, true, null);
+ event.callEvent();
+ final java.util.List<com.destroystokyo.paper.event.server.AsyncTabCompleteEvent.Completion> completions = event.isCancelled() ? com.google.common.collect.ImmutableList.of() : event.completions();
+ // If the event isn't handled, we can assume that we have no completions, and so we'll ask the server
+ if (!event.isHandled()) {
+ if (!event.isCancelled()) {
+
+ this.server.scheduleOnMain(() -> { // This needs to be on main
+ ParseResults<CommandSourceStack> parseresults = this.server.getCommands().getDispatcher().parse(stringreader, this.player.createCommandSourceStack());
+
+ this.server.getCommands().getDispatcher().getCompletionSuggestions(parseresults).thenAccept((suggestions) -> {
+ if (suggestions.isEmpty()) return; // CraftBukkit - don't send through empty suggestions - prevents [<args>] from showing for plugins with nothing more to offer
+ this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestions));
+ });
+ });
+ }
+ } else if (!completions.isEmpty()) {
+ final com.mojang.brigadier.suggestion.SuggestionsBuilder builder0 = new com.mojang.brigadier.suggestion.SuggestionsBuilder(command, stringreader.getTotalLength());
+ final com.mojang.brigadier.suggestion.SuggestionsBuilder builder = builder0.createOffset(builder0.getInput().lastIndexOf(' ') + 1);
+ completions.forEach(completion -> {
+ final Integer intSuggestion = com.google.common.primitives.Ints.tryParse(completion.suggestion());
+ if (intSuggestion != null) {
+ builder.suggest(intSuggestion, PaperAdventure.asVanilla(completion.tooltip()));
+ } else {
+ builder.suggest(completion.suggestion(), PaperAdventure.asVanilla(completion.tooltip()));
+ }
+ });
+ player.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), builder.buildFuture().join()));
+ }
});
+ // Paper end - AsyncTabCompleteEvent
}
@Override
+ final com.destroystokyo.paper.event.server.AsyncTabCompleteEvent event = new com.destroystokyo.paper.event.server.AsyncTabCompleteEvent(this.getCraftPlayer(), packet.getCommand(), true, null);
+ event.callEvent();
+ final List<com.destroystokyo.paper.event.server.AsyncTabCompleteEvent.Completion> completions = event.isCancelled() ? com.google.common.collect.ImmutableList.of() : event.completions();
+ // If the event isn't handled, we can assume that we have no completions, and so we'll ask the server
+ if (!event.isHandled()) {
+ if (event.isCancelled()) {
+ return;
+ }
+
+ // This needs to be on main
+ this.server.scheduleOnMain(() -> this.sendServerSuggestions(packet, stringreader));
+ } else if (!completions.isEmpty()) {
+ final com.mojang.brigadier.suggestion.SuggestionsBuilder builder0 = new com.mojang.brigadier.suggestion.SuggestionsBuilder(packet.getCommand(), stringreader.getTotalLength());
+ final com.mojang.brigadier.suggestion.SuggestionsBuilder builder = builder0.createOffset(builder0.getInput().lastIndexOf(' ') + 1);
+ for (final com.destroystokyo.paper.event.server.AsyncTabCompleteEvent.Completion completion : completions) {
+ final Integer intSuggestion = com.google.common.primitives.Ints.tryParse(completion.suggestion());
+ if (intSuggestion != null) {
+ builder.suggest(intSuggestion, PaperAdventure.asVanilla(completion.tooltip()));
+ } else {
+ builder.suggest(completion.suggestion(), PaperAdventure.asVanilla(completion.tooltip()));
+ }
+ }
+ this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), builder.buildFuture().join()));
+ }
+ }
+
+ private void sendServerSuggestions(final ServerboundCommandSuggestionPacket packet, final StringReader stringreader) {
+ // Paper end - AsyncTabCompleteEvent
ParseResults<CommandSourceStack> parseresults = this.server.getCommands().getDispatcher().parse(stringreader, this.player.createCommandSourceStack());
this.server.getCommands().getDispatcher().getCompletionSuggestions(parseresults).thenAccept((suggestions) -> {
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

View file

@ -47,6 +47,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
// CraftBukkit start
- if (this.chatSpamTickCount.addAndGet(1) > 500 && !this.server.getPlayerList().isOp(this.player.getGameProfile())) {
+ if (this.chatSpamTickCount.addAndGet(io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.tabSpamIncrement) > io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.tabSpamLimit && !this.server.getPlayerList().isOp(this.player.getGameProfile())) { // Paper - configurable tab spam limits
server.scheduleOnMain(() -> this.disconnect(Component.translatable("disconnect.spam"))); // Paper - AsyncTabCompleteEvent
this.disconnect(Component.translatable("disconnect.spam"));
return;
}

View file

@ -135,35 +135,37 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
ParseResults<CommandSourceStack> parseresults = this.server.getCommands().getDispatcher().parse(stringreader, this.player.createCommandSourceStack());
this.server.getCommands().getDispatcher().getCompletionSuggestions(parseresults).thenAccept((suggestions) -> {
- if (suggestions.isEmpty()) return; // CraftBukkit - don't send through empty suggestions - prevents [<args>] from showing for plugins with nothing more to offer
- this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestions));
+ // Paper start - Brigadier API
+ com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getCraftPlayer(), suggestions, command);
+ suggestEvent.setCancelled(suggestions.isEmpty());
+ if (!suggestEvent.callEvent()) return;
+ this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestEvent.getSuggestions()));
+ // Paper end - Brigadier API
});
});
builder.suggest(completion.suggestion(), PaperAdventure.asVanilla(completion.tooltip()));
}
@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
builder.suggest(completion.suggestion(), PaperAdventure.asVanilla(completion.tooltip()));
}
});
- player.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), builder.buildFuture().join()));
+ // Paper start - Brigadier API
+ com.mojang.brigadier.suggestion.Suggestions suggestions = builder.buildFuture().join();
+ com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getCraftPlayer(), suggestions, command);
+ suggestEvent.setCancelled(suggestions.isEmpty());
+ if (!suggestEvent.callEvent()) return;
+ this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestEvent.getSuggestions()));
+ // Paper end - Brigadier API
}
- this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), builder.buildFuture().join()));
+ // Paper start - Brigadier API
+ com.mojang.brigadier.suggestion.Suggestions suggestions = builder.buildFuture().join();
+ com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getCraftPlayer(), suggestions, packet.getCommand());
+ suggestEvent.setCancelled(suggestions.isEmpty());
+ if (suggestEvent.callEvent()) {
+ this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestEvent.getSuggestions()));
+ }
+ // Paper end - Brigadier API
}
}
@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
ParseResults<CommandSourceStack> parseresults = this.server.getCommands().getDispatcher().parse(stringreader, this.player.createCommandSourceStack());
this.server.getCommands().getDispatcher().getCompletionSuggestions(parseresults).thenAccept((suggestions) -> {
- if (suggestions.isEmpty()) return; // CraftBukkit - don't send through empty suggestions - prevents [<args>] from showing for plugins with nothing more to offer
- this.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestions));
+ // Paper start - Brigadier API
+ com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getCraftPlayer(), suggestions, packet.getCommand());
+ suggestEvent.setCancelled(suggestions.isEmpty());
+ if (suggestEvent.callEvent()) {
+ this.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestEvent.getSuggestions()));
+ }
+ // Paper end - Brigadier API
});
// Paper end - AsyncTabCompleteEvent
}
diff --git a/src/main/java/org/bukkit/craftbukkit/command/BukkitCommandWrapper.java b/src/main/java/org/bukkit/craftbukkit/command/BukkitCommandWrapper.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/command/BukkitCommandWrapper.java

View file

@ -19,5 +19,5 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ }
+ // Paper end - Don't suggest if tab-complete is disabled
// Paper start - AsyncTabCompleteEvent
TAB_COMPLETE_EXECUTOR.execute(() -> {
StringReader stringreader = new StringReader(packet.getCommand());
TAB_COMPLETE_EXECUTOR.execute(() -> this.handleCustomCommandSuggestions0(packet));
}

View file

@ -15,14 +15,14 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
ParseResults<CommandSourceStack> parseresults = this.server.getCommands().getDispatcher().parse(stringreader, this.player.createCommandSourceStack());
ParseResults<CommandSourceStack> parseresults = this.server.getCommands().getDispatcher().parse(stringreader, this.player.createCommandSourceStack());
this.server.getCommands().getDispatcher().getCompletionSuggestions(parseresults).thenAccept((suggestions) -> {
+ // Paper start - Don't tab-complete namespaced commands if send-namespaced is false
+ if (!org.spigotmc.SpigotConfig.sendNamespaced && suggestions.getRange().getStart() <= 1) {
+ suggestions.getList().removeIf(suggestion -> suggestion.getText().contains(":"));
+ }
+ // Paper end - Don't tab-complete namespaced commands if send-namespaced is false
// Paper start - Brigadier API
com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getCraftPlayer(), suggestions, command);
suggestEvent.setCancelled(suggestions.isEmpty());
this.server.getCommands().getDispatcher().getCompletionSuggestions(parseresults).thenAccept((suggestions) -> {
+ // Paper start - Don't tab-complete namespaced commands if send-namespaced is false
+ if (!org.spigotmc.SpigotConfig.sendNamespaced && suggestions.getRange().getStart() <= 1) {
+ suggestions.getList().removeIf(suggestion -> suggestion.getText().contains(":"));
+ }
+ // Paper end - Don't tab-complete namespaced commands if send-namespaced is false
// Paper start - Brigadier API
com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getCraftPlayer(), suggestions, packet.getCommand());
suggestEvent.setCancelled(suggestions.isEmpty());

View file

@ -0,0 +1,143 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Mon, 5 Feb 2024 11:54:04 +0100
Subject: [PATCH] Improve tag parser handling
diff --git a/src/main/java/com/mojang/brigadier/CommandDispatcher.java b/src/main/java/com/mojang/brigadier/CommandDispatcher.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/com/mojang/brigadier/CommandDispatcher.java
+++ b/src/main/java/com/mojang/brigadier/CommandDispatcher.java
@@ -0,0 +0,0 @@ public class CommandDispatcher<S> {
try {
try {
child.parse(reader, context);
+ // Paper start - Handle non-reoverable exceptions; Rethrow NbtAccounterException so it can be caught properly and immediately
+ } catch (final net.minecraft.nbt.NbtAccounterException e) {
+ throw e;
+ // Paper end - Handle non-reoverable exceptions
} catch (final RuntimeException ex) {
throw CommandSyntaxException.BUILT_IN_EXCEPTIONS.dispatcherParseException().createWithContext(reader, ex.getMessage());
}
diff --git a/src/main/java/net/minecraft/nbt/TagParser.java b/src/main/java/net/minecraft/nbt/TagParser.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/nbt/TagParser.java
+++ b/src/main/java/net/minecraft/nbt/TagParser.java
@@ -0,0 +0,0 @@ public class TagParser {
}
}, CompoundTag::toString);
private final StringReader reader;
+ private int depth; // Paper
public static CompoundTag parseTag(String string) throws CommandSyntaxException {
return (new TagParser(new StringReader(string))).readSingleStruct();
@@ -0,0 +0,0 @@ public class TagParser {
public CompoundTag readStruct() throws CommandSyntaxException {
this.expect('{');
+ this.increaseDepth(); // Paper
CompoundTag compoundTag = new CompoundTag();
this.reader.skipWhitespace();
@@ -0,0 +0,0 @@ public class TagParser {
}
this.expect('}');
+ this.depth--; // Paper
return compoundTag;
}
@@ -0,0 +0,0 @@ public class TagParser {
if (!this.reader.canRead()) {
throw ERROR_EXPECTED_VALUE.createWithContext(this.reader);
} else {
+ this.increaseDepth(); // Paper
ListTag listTag = new ListTag();
TagType<?> tagType = null;
@@ -0,0 +0,0 @@ public class TagParser {
}
this.expect(']');
+ this.depth--; // Paper
return listTag;
}
}
@@ -0,0 +0,0 @@ public class TagParser {
}
if (typeReader == ByteTag.TYPE) {
- list.add((T)((NumericTag)tag).getAsByte());
+ list.add((T)((NumericTag)tag).getAsNumber()); // Paper - decompile fix
} else if (typeReader == LongTag.TYPE) {
- list.add((T)((NumericTag)tag).getAsLong());
+ list.add((T)((NumericTag)tag).getAsNumber()); // Paper - decompile fix
} else {
- list.add((T)((NumericTag)tag).getAsInt());
+ list.add((T)((NumericTag)tag).getAsNumber()); // Paper - decompile fix
}
if (this.hasElementSeparator()) {
@@ -0,0 +0,0 @@ public class TagParser {
this.reader.skipWhitespace();
this.reader.expect(c);
}
+
+ private void increaseDepth() {
+ this.depth++;
+ if (this.depth > 512) {
+ throw new net.minecraft.nbt.NbtAccounterException("NBT tag is too complex, depth > 512");
+ }
+ }
}
diff --git a/src/main/java/net/minecraft/network/protocol/game/ServerboundCommandSuggestionPacket.java b/src/main/java/net/minecraft/network/protocol/game/ServerboundCommandSuggestionPacket.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/network/protocol/game/ServerboundCommandSuggestionPacket.java
+++ b/src/main/java/net/minecraft/network/protocol/game/ServerboundCommandSuggestionPacket.java
@@ -0,0 +0,0 @@ public class ServerboundCommandSuggestionPacket implements Packet<ServerGamePack
public ServerboundCommandSuggestionPacket(FriendlyByteBuf buf) {
this.id = buf.readVarInt();
- this.command = buf.readUtf(32500);
+ this.command = buf.readUtf(2048); // Paper
}
@Override
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
return;
}
// Paper end - Don't suggest if tab-complete is disabled
+ // Paper start
+ final int index;
+ if (packet.getCommand().length() > 64 && ((index = packet.getCommand().indexOf(' ')) == -1 || index >= 64)) {
+ this.disconnect(Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM);
+ return;
+ }
+ // Paper end
// Paper start - AsyncTabCompleteEvent
TAB_COMPLETE_EXECUTOR.execute(() -> this.handleCustomCommandSuggestions0(packet));
}
@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
private void sendServerSuggestions(final ServerboundCommandSuggestionPacket packet, final StringReader stringreader) {
// Paper end - AsyncTabCompleteEvent
- ParseResults<CommandSourceStack> parseresults = this.server.getCommands().getDispatcher().parse(stringreader, this.player.createCommandSourceStack());
+ // Paper start - Handle non-reoverable exceptions
+ ParseResults<CommandSourceStack> parseresults;
+ try {
+ parseresults = this.server.getCommands().getDispatcher().parse(stringreader, this.player.createCommandSourceStack());
+ } catch (final Throwable e) { // This is fine:tm:
+ if (LOGGER.isDebugEnabled()) {
+ LOGGER.error("Exception parsing command", e);
+ }
+ this.disconnect(Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM);
+ return;
+ }
+ // Paper end - Handle non-reoverable exceptions
this.server.getCommands().getDispatcher().getCompletionSuggestions(parseresults).thenAccept((suggestions) -> {
// Paper start - Don't tab-complete namespaced commands if send-namespaced is false

View file

@ -15506,19 +15506,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/network/protocol/game/ServerboundCommandSuggestionPacket.java b/src/main/java/net/minecraft/network/protocol/game/ServerboundCommandSuggestionPacket.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/network/protocol/game/ServerboundCommandSuggestionPacket.java
+++ b/src/main/java/net/minecraft/network/protocol/game/ServerboundCommandSuggestionPacket.java
@@ -0,0 +0,0 @@ public class ServerboundCommandSuggestionPacket implements Packet<ServerGamePack
public ServerboundCommandSuggestionPacket(FriendlyByteBuf buf) {
this.id = buf.readVarInt();
- this.command = buf.readUtf(32500);
+ this.command = buf.readUtf(2048);
}
@Override
diff --git a/src/main/java/net/minecraft/server/Main.java b/src/main/java/net/minecraft/server/Main.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/Main.java
@ -19235,24 +19222,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
--this.unacknowledgedBatches;
this.desiredChunksPerTick = Double.isNaN((double)desiredBatchSize) ? 0.01F : Mth.clamp(desiredBatchSize, 0.01F, 64.0F);
if (this.unacknowledgedBatches == 0) {
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
return;
}
// Paper end - Don't suggest if tab-complete is disabled
+ // Paper start - rewrite chunk system
+ int index;
+ if (packet.getCommand().length() > 64 && ((index = packet.getCommand().indexOf(' ')) == -1 || index >= 64)) {
+ server.scheduleOnMain(() -> this.disconnect(Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM));
+ return;
+ }
+ // Paper end - rewrite chunk system
// Paper start - AsyncTabCompleteEvent
TAB_COMPLETE_EXECUTOR.execute(() -> {
StringReader stringreader = new StringReader(packet.getCommand());
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java