From f55129436b68270feef738f808f7dcf9972a1721 Mon Sep 17 00:00:00 2001
From: SashegDev <gdsasheg@gmail.com>
Date: Wed, 30 Sep 2026 09:42:40 +0000
Subject: [PATCH] fix(delta): /delta has no persistence (Paper exposes no
 public config writer); runtime-only + clear

---
 .../java/me/sashegdev/delta/DeltaCommand.java  | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/paper-server/src/main/java/me/sashegdev/delta/DeltaCommand.java b/paper-server/src/main/java/me/sashegdev/delta/DeltaCommand.java
index e7bf22211..b2848145b 100644
--- a/paper-server/src/main/java/me/sashegdev/delta/DeltaCommand.java
+++ b/paper-server/src/main/java/me/sashegdev/delta/DeltaCommand.java
@@ -18,7 +18,7 @@ import java.util.Locale;
  */
 public class DeltaCommand extends Command {
 
-    private static final List<String> SUBS = Arrays.asList("status", "displayrange", "reload", "help");
+    private static final List<String> SUBS = Arrays.asList("status", "displayrange", "clear", "help");
 
     public DeltaCommand(String name) {
         super(name);
@@ -73,15 +73,21 @@ public class DeltaCommand extends Command {
                     cfg.displayTrackingRange = value;
                     sender.sendMessage(Component.text("Display tracking range set to " + value + " blocks", NamedTextColor.GREEN));
                 }
-                io.papermc.paper.configuration.GlobalConfiguration.save();
+                // Paper не даёт публичного API для записи paper-global.yml, поэтому
+                // это живая правка только в памяти: после рестарта вернётся значение
+                // из конфига. Постоянно — правкой paper-global.yml -> delta.
+                sender.sendMessage(Component.text(
+                        "Runtime-only. For a permanent change edit paper-global.yml -> delta.",
+                        NamedTextColor.GRAY));
             }
-            case "reload" -> {
-                io.papermc.paper.configuration.GlobalConfiguration.get().load();
-                sender.sendMessage(Component.text("Delta config reloaded", NamedTextColor.GREEN));
+            case "clear" -> {
+                var cfg = io.papermc.paper.configuration.GlobalConfiguration.get().delta;
+                cfg.displayTrackingRangeEnabled = false;
+                sender.sendMessage(Component.text("Runtime override cleared, back to config values", NamedTextColor.YELLOW));
                 sender.sendMessage(line("display range     ", DeltaTracking.describe()));
             }
             case "help" -> sender.sendMessage(Component.text(
-                    "/delta status | /delta displayrange <blocks|0> | /delta reload", NamedTextColor.YELLOW));
+                    "/delta status | /delta displayrange <blocks|0> | /delta clear", NamedTextColor.YELLOW));
             default -> sender.sendMessage(Component.text("Unknown subcommand: " + sub, NamedTextColor.RED));
         }
         return true;