Compatible /clear command

patches/server/0053-clear-command.patch

@@ -0,0 +1,41 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: PureGero <puregero@gmail.com>
+Date: Sun, 11 Aug 2024 18:50:42 +0900
+Subject: [PATCH] /clear command
+
+
+diff --git a/src/main/java/net/minecraft/server/commands/ClearInventoryCommands.java b/src/main/java/net/minecraft/server/commands/ClearInventoryCommands.java
+index 4e6171ca870649114d4c7460baad2982173da09e..f3efba187cfb35e08458de59a171c82bff8d3280 100644
+--- a/src/main/java/net/minecraft/server/commands/ClearInventoryCommands.java
++++ b/src/main/java/net/minecraft/server/commands/ClearInventoryCommands.java
+@@ -6,7 +6,10 @@ import com.mojang.brigadier.exceptions.CommandSyntaxException;
+ import com.mojang.brigadier.exceptions.DynamicCommandExceptionType;
+ import java.util.Collection;
+ import java.util.Collections;
++import java.util.concurrent.CompletableFuture;
+ import java.util.function.Predicate;
++
++import io.multipaper.shreddedpaper.ShreddedPaper;
+ import net.minecraft.commands.CommandBuildContext;
+ import net.minecraft.commands.CommandSourceStack;
+ import net.minecraft.commands.Commands;
+@@ -65,9 +68,16 @@ public class ClearInventoryCommands {
+         int i = 0;
+
+         for (ServerPlayer serverPlayer : targets) {
+-            i += serverPlayer.getInventory().clearOrCountMatchingItems(item, maxCount, serverPlayer.inventoryMenu.getCraftSlots());
+-            serverPlayer.containerMenu.broadcastChanges();
+-            serverPlayer.inventoryMenu.slotsChanged(serverPlayer.getInventory());
++            // ShreddedPaper start - run on correct thread
++            CompletableFuture<Integer> future = new CompletableFuture<>();
++            ShreddedPaper.ensureSync(serverPlayer, () -> {
++                int j = serverPlayer.getInventory().clearOrCountMatchingItems(item, maxCount, serverPlayer.inventoryMenu.getCraftSlots());
++                serverPlayer.containerMenu.broadcastChanges();
++                serverPlayer.inventoryMenu.slotsChanged(serverPlayer.getInventory());
++                future.complete(j);
++            });
++            i += future.getNow(1); // ShreddedPaper - default to 1 if player in on a different thread
++            // ShreddedPaper end - run on correct thread
+         }
+
+         if (i == 0) {