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

patches/server/Add-PlayerKickEvent-causes.patch

@@ -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
+-            this.disconnect(Component.translatable("disconnect.spam"));
-+            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"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM); // Paper - Kick event cause
              return;
          }
          // CraftBukkit end

patches/server/AsyncTabCompleteEvent.patch

@@ -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"));
+             this.disconnect(Component.translatable("disconnect.spam"));
-+            server.scheduleOnMain(() -> this.disconnect(Component.translatable("disconnect.spam"))); // Paper - AsyncTabCompleteEvent
              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());
++        final com.destroystokyo.paper.event.server.AsyncTabCompleteEvent event = new com.destroystokyo.paper.event.server.AsyncTabCompleteEvent(this.getCraftPlayer(), packet.getCommand(), true, null);
--
--        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();
++        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()) {
++            if (event.isCancelled()) {
-+
++                return;
-+                    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));
-+                        });
-+                    });
 +            }
++
++            // 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(command, stringreader.getTotalLength());
++            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);
-+                completions.forEach(completion -> {
++            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()));
 +                }
-+                });
-+                player.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), builder.buildFuture().join()));
 +            }
-         });
++            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());
  
-     @Override
+         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

patches/server/Break-up-and-make-tab-spam-limits-configurable.patch

@@ -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;
          }

patches/server/Brigadier-Mojang-API.patch

@@ -134,36 +134,38 @@ diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListener
 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
+                     builder.suggest(completion.suggestion(), PaperAdventure.asVanilla(completion.tooltip()));
+                 }
+             }
+-            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.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestions));
+-            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, command);
++            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()) return;
++            if (suggestEvent.callEvent()) {
-+                            this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestEvent.getSuggestions()));
++                this.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestEvent.getSuggestions()));
++            }
 +            // Paper end - Brigadier API
          });
-                     });
      }
-@@ -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
-             }
-         });
-         // 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

patches/server/Don-t-respond-to-ServerboundCommandSuggestionPacket-.patch

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

patches/server/Don-t-tab-complete-namespaced-commands-if-send-names.patch

@@ -24,5 +24,5 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +            }
 +            // 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);
+             com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getCraftPlayer(), suggestions, packet.getCommand());
              suggestEvent.setCancelled(suggestions.isEmpty());

patches/server/Improve-tag-parser-handling.patch

@@ -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

patches/server/Rewrite-chunk-system.patch

@@ -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