PaperMC/patches/server/0928-Fix-command-preprocess-cancelling-and-command-changi.patch
Nassim Jahnke 0ddd20c6f7
Updated Upstream (CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
ead719a65 SPIGOT-7136: Cancelling PlayerInteractEntityEvent with the Allay desyncs
8468e167e SPIGOT-7137: StructureGrowEvent isFromBonemeal and getPlayer have incorrect values
d45057c59 SPIGOT-7089: Crash when command blocks attempt to load worlds

Spigot Changes:
450dcaa8 Rebuild patches
2022-08-14 10:03:13 +02:00

40 lines
2.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Tue, 2 Aug 2022 19:16:23 +0200
Subject: [PATCH] Fix command preprocess cancelling and command changing
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index d030574fbd282c018898b64b6ced9749f54cb813..50d89accf52799de11ab0488e9353ca40f2de3dd 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2264,13 +2264,24 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
PlayerCommandPreprocessEvent event = new PlayerCommandPreprocessEvent(this.getCraftPlayer(), command, new LazyPlayerSet(this.server));
this.cserver.getPluginManager().callEvent(event);
- if (event.isCancelled()) {
- return;
- }
command = event.getMessage().substring(1);
- ParseResults<CommandSourceStack> parseresults = this.parseCommand(command);
- Map<String, PlayerChatMessage> map = (packet.command().equals(command)) ? this.collectSignedArguments(packet, PreviewableCommand.of(parseresults)) : Collections.emptyMap();
+ // Paper start - send message headers for cancelled or changed commands
+ ParseResults<CommandSourceStack> parseresults = this.parseCommand(packet.command());
+ Map<String, PlayerChatMessage> map = this.collectSignedArguments(packet, PreviewableCommand.of(parseresults));
+ if (event.isCancelled() || !packet.command().equals(command)) {
+ for (final PlayerChatMessage message : map.values()) {
+ player.server.getPlayerList().broadcastMessageHeader(message, Set.of());
+ }
+ if (event.isCancelled()) {
+ return;
+ }
+
+ // Remove signatures if the command was changed and use the changed command source stack
+ map.clear();
+ parseresults = this.parseCommand(command);
+ }
+ // Paper end
// CraftBukkit end
Iterator iterator = map.values().iterator();