PaperMC/patches/server/0907-Don-t-broadcast-messages-to-command-blocks.patch
willkroboth 4d52f1d247
Add method isTickingWorlds to Bukkit (#8316)
Co-authored-by: Shane Freeder <theboyetronic@gmail.com>

Also, restores un/loading worlds mid tick. This will not be officially supported API contract that such a routine is safe, and these restrictions may be restored in the future.
2022-09-24 06:19:05 +01:00

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2.1 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Thu, 16 Jun 2022 14:22:56 -0700
Subject: [PATCH] Don't broadcast messages to command blocks
Previously the broadcast method would update the last output
in command blocks, and if called asynchronously, would throw
an error
diff --git a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
index c0195f73cd2c8721e882c681eaead65471710081..861b348f73867af3199f1cc0dab1ddd4241d1567 100644
--- a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
+++ b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
@@ -172,6 +172,7 @@ public abstract class BaseCommandBlock implements CommandSource {
@Override
public void sendSystemMessage(Component message) {
if (this.trackOutput) {
+ org.spigotmc.AsyncCatcher.catchOp("sendSystemMessage to a command block"); // Paper
SimpleDateFormat simpledateformat = BaseCommandBlock.TIME_FORMAT;
Date date = new Date();
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 19a98e502b4ba49485fa3e51c48309a06ded5a9d..df0472f275b4fa3a1088db84712a39ea0257f17e 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1763,7 +1763,7 @@ public final class CraftServer implements Server {
// Paper end
Set<CommandSender> recipients = new HashSet<>();
for (Permissible permissible : this.getPluginManager().getPermissionSubscriptions(permission)) {
- if (permissible instanceof CommandSender && permissible.hasPermission(permission)) {
+ if (permissible instanceof CommandSender && !(permissible instanceof org.bukkit.command.BlockCommandSender) && permissible.hasPermission(permission)) { // Paper - don't broadcast to BlockCommandSender (specifically Command Blocks)
recipients.add((CommandSender) permissible);
}
}