From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Helvetica Volubi <suisuroru@blue-millennium.fun>
Date: Wed, 2 Jul 2025 23:36:25 +0800
Subject: [PATCH] Fix datapack command save function


diff --git a/net/minecraft/server/MinecraftServer.java b/net/minecraft/server/MinecraftServer.java
index e7eec08a4d8943b35a76173e39529498c348140c..61983a80191e64942bfdac74c6d2f23cf781484d 100644
--- a/net/minecraft/server/MinecraftServer.java
+++ b/net/minecraft/server/MinecraftServer.java
@@ -2475,6 +2475,16 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
         return this.reloadResources(packsToEnable, io.papermc.paper.event.server.ServerResourcesReloadedEvent.Cause.PLUGIN);
     }
 
+    // Lophine start - region thread skip reload // TODO - add reload support
+    public void saveDatapacks(Collection<String> selectedPacks) {
+        this.packRepository.setSelected(selectedPacks, false); // Paper - add pendingReload flag to determine required pack loading - false as this is *after* a reload (see above)
+        WorldDataConfiguration worldDataConfiguration = new WorldDataConfiguration(
+                getSelectedPacks(this.packRepository, true), this.worldData.enabledFeatures()
+        );
+        this.worldData.setDataConfiguration(worldDataConfiguration);
+    }
+    // Lophine end - region thread skip reload // TODO - add reload support
+
     public CompletableFuture<Void> reloadResources(
         final Collection<String> packsToEnable, final io.papermc.paper.event.server.ServerResourcesReloadedEvent.Cause cause
     ) {
diff --git a/net/minecraft/server/commands/DataPackCommand.java b/net/minecraft/server/commands/DataPackCommand.java
index 0c7c829270d3cd3dd05a3dc7dfe82ee01d5c6bd8..991e0362e96488b64d994f1bdfb8ed5d66f98666 100644
--- a/net/minecraft/server/commands/DataPackCommand.java
+++ b/net/minecraft/server/commands/DataPackCommand.java
@@ -98,7 +98,7 @@ public class DataPackCommand {
         dispatcher.register(
             Commands.literal("datapack")
                 .requires(Commands.hasPermission(Commands.LEVEL_GAMEMASTERS))
-                /*.then( // Luminol - Add back read-only datapack command
+                .then( // Lophine - Fix datapack command save function
                     Commands.literal("enable")
                         .then(
                             Commands.argument("name", StringArgumentType.string())
@@ -145,11 +145,11 @@ public class DataPackCommand {
                                 .suggests(SELECTED_PACKS)
                                 .executes(c -> disablePack(c.getSource(), getPack(c, "name", false)))
                         )
-                )*/ // Luminol - Add back read-only datapack command
+                )
                 .then(
                     Commands.literal("list")
                         .executes(c -> listPacks(c.getSource()))
-                        //.then(Commands.literal("available").executes(c -> listAvailablePacks(c.getSource()))) // Luminol - Add back read-only datapack command
+                        .then(Commands.literal("available").executes(c -> listAvailablePacks(c.getSource()))) // Luminol - Add back read-only datapack command
                         .then(Commands.literal("enabled").executes(c -> listEnabledPacks(c.getSource())))
                 )
                 .then(
@@ -235,7 +235,7 @@ public class DataPackCommand {
     }
 
     private static int listPacks(final CommandSourceStack source) {
-        return listEnabledPacks(source) ;// + listAvailablePacks(source); // Luminol - Add back read-only datapack command
+        return listEnabledPacks(source) + listAvailablePacks(source); // Lophine - Fix datapack command save function
     }
 
     private static int listAvailablePacks(final CommandSourceStack source) {
diff --git a/net/minecraft/server/commands/ReloadCommand.java b/net/minecraft/server/commands/ReloadCommand.java
index 80fef4277b9e986c17a4cb895e130726bdb63229..4bed8d0432508cbe5c0d1fc7d68052ec2af7260f 100644
--- a/net/minecraft/server/commands/ReloadCommand.java
+++ b/net/minecraft/server/commands/ReloadCommand.java
@@ -16,11 +16,17 @@ public class ReloadCommand {
     private static final Logger LOGGER = LogUtils.getLogger();
 
     public static void reloadPacks(final Collection<String> selectedPacks, final CommandSourceStack source) {
+        // Lophine start - region thread skip reload // TODO - add reload support
+        source.getServer().saveDatapacks(selectedPacks);
+        source.getSender().sendMessage("You need to restart server to load datapacks update.");
+        if (false) {
         source.getServer().reloadResources(selectedPacks, io.papermc.paper.event.server.ServerResourcesReloadedEvent.Cause.COMMAND).exceptionally(throwable -> { // Paper - Add ServerResourcesReloadedEvent
             LOGGER.warn("Failed to execute reload", throwable);
             source.sendFailure(Component.translatable("commands.reload.failure"));
             return null;
         });
+        }
+        // Lophine end - region thread skip reload // TODO - add reload support
     }
 
     private static Collection<String> discoverNewPacks(final PackRepository packRepository, final WorldData worldData, final Collection<String> currentPacks) {