From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Jake Potrebic 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 8c2dcc4134d96351cee75773214f3f47e71533e9..e6bfcc50cdf728216084bc00a5bb8b6b3b8f72e4 100644 --- a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java +++ b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java @@ -178,6 +178,7 @@ 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 - Don't broadcast messages to command blocks 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 f1422bd50cd10f64c9c73e3ac3a93ff9e94d6265..0274b574e80e133ec1b5033ae09450d2d57db894 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java @@ -1923,7 +1923,7 @@ public final class CraftServer implements Server { // Paper end Set 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 messages to command blocks recipients.add((CommandSender) permissible); } }