Admin WORLD tab: reset world, backup now, list and restore save backups

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -14,6 +14,12 @@ Server und Mod müssen beide 2.8 sein (Server: `git pull && docker compose up -d
 - **Verkehr**: NPC-Autos fahren bei allen an derselben Stelle (der erste Spieler simuliert, die anderen folgen)
 - `vehicles` in der F7-Konsole zeigt, wie viele Karosserie-Meshes, Job-Werte und Verkehrsautos synchronisiert werden
 
+**Admin: Welt verwalten (neuer Reiter WORLD im Admin-Menü)**
+- **RESET WORLD**: Weltzustand zurücksetzen, alle verbinden automatisch neu
+- **BACKUP NOW**: aktuellen Server-Spielstand sichern (Server-Befehl: `backup`)
+- **Backups** mit Datum/Uhrzeit, **RESTORE** holt einen älteren Stand zurück (der aktuelle wird vorher gesichert)
+- Jede Aktion mit Sicherheitsabfrage; nur für Admins (vom Server geprüft)
+
 **Trennen & Neu-Verbinden**
 - Gekickt, gebannt, Server beendet, Verbindung verloren: eigenes Fenster in der Bildmitte mit **Grund** und OK
   (im Spiel wird der Grund vorher 2,5 s groß angezeigt)

MultiplayerManager.cs

@@ -422,6 +422,18 @@ namespace MSCO
             return true;
         }
 
+        /// <summary>Admin (nur dedizierter Server): Welt zurücksetzen (5), Backup anlegen (6), Backup wiederherstellen (7).</summary>
+        public void WorldAction(byte action, string backup)
+        {
+            if (session == null || !dedicated) return;
+            session.SendTo(NetSession.HostId, MsgType.AdminAction, NetSession.Build(w =>
+            {
+                w.Write(action);
+                w.Write(-1);
+                w.Write(backup ?? "");
+            }));
+        }
+
         /// <summary>Admin: Bann aufheben (Server: SteamID oder name:..., P2P: Name).</summary>
         public void Unban(string id)
         {
@@ -1268,6 +1280,13 @@ namespace MSCO
                         for (int i = 0; i < bans; i++) banned.Add(r.ReadString());
                     }
                     overlays.SetBanned(banned);
+                    var backups = new List<string>();
+                    if (r.BaseStream.Length - r.BaseStream.Position >= 4)
+                    {
+                        int n = r.ReadInt32();
+                        for (int i = 0; i < n; i++) backups.Add(r.ReadString());
+                    }
+                    overlays.SetBackups(backups);
                     break;
                 }
 

NetSession.cs

@@ -34,7 +34,7 @@ namespace MSCO
         AdminStatus = 23, // Server -> Client: bool, ist Admin
         AdminListRequest = 24, // Client -> Server: Spielerliste fürs Admin-Menü
         AdminList = 25,   // Server -> Client: int Anzahl, je [int id, string name, string steamId, bool admin]
-        AdminAction = 26, // Client -> Server: byte (1 = kick, 2 = ban), int Spieler-ID, string Grund
+        AdminAction = 26, // Client -> Server: byte (1 kick, 2 ban, 3 bring, 4 unban, 5 reset world, 6 backup, 7 restore backup), int Spieler-ID, string Grund/Name
         AdminResult = 27, // Server -> Client: string Meldung
         Chat = 28,        // Chatnachricht (string)
         VarSync = 29,     // Fahrzeugzustand: int n, je [int key, byte typ, wert]

Overlays.cs

@@ -95,6 +95,9 @@ namespace MSCO
 
         public void SetAdminPlayers(List<AdminPlayer> players) { adminPlayers = players; }
         public void SetBanned(List<string> ids) { bannedIds = ids; }
+        public void SetBackups(List<string> names) { backupNames = names; }
+        List<string> backupNames;
+        string confirmWorld; // "reset" oder Name des Backups, das wiederhergestellt werden soll
 
         public void CloseAll()
         {
@@ -288,7 +291,7 @@ namespace MSCO
 
             // Reiter
             GUILayout.BeginHorizontal();
-            string[] tabs = { "PLAYERS", "ITEMS", "BANS" + (bannedIds != null && bannedIds.Count > 0 ? " (" + bannedIds.Count + ")" : "") };
+            string[] tabs = { "PLAYERS", "ITEMS", "BANS" + (bannedIds != null && bannedIds.Count > 0 ? " (" + bannedIds.Count + ")" : ""), "WORLD" };
             for (int i = 0; i < tabs.Length; i++)
             {
                 if (GUILayout.Button(tabs[i], adminTab == i ? primary : secondary, GUILayout.Height(30), GUILayout.Width(130))) adminTab = i;
@@ -299,6 +302,7 @@ namespace MSCO
 
             if (adminTab == 1) DrawAdminItems(mp);
             else if (adminTab == 2) DrawAdminBans(mp);
+            else if (adminTab == 3) DrawAdminWorld(mp);
             else DrawAdminPlayers(mp);
             GUILayout.EndArea();
         }
@@ -393,6 +397,65 @@ namespace MSCO
             GUILayout.EndScrollView();
         }
 
+        /// <summary>Welt zurücksetzen, Backups anlegen und wiederherstellen (dedizierter Server).</summary>
+        void DrawAdminWorld(MultiplayerManager mp)
+        {
+            if (!mp.IsDedicated)
+            {
+                GUILayout.Label("World reset and save backups are only available on a dedicated server.", small);
+                return;
+            }
+            GUILayout.Label("Everyone reconnects after a reset or restore. The current save is backed up first.", small);
+            GUILayout.Space(8);
+
+            GUILayout.BeginHorizontal();
+            if (confirmWorld == "reset")
+            {
+                if (GUILayout.Button("REALLY RESET?", danger, GUILayout.Height(32), GUILayout.Width(170))) { mp.WorldAction(5, null); confirmWorld = null; }
+                GUILayout.Space(6);
+                if (GUILayout.Button("CANCEL", secondary, GUILayout.Height(32), GUILayout.Width(100))) confirmWorld = null;
+            }
+            else if (GUILayout.Button("RESET WORLD", danger, GUILayout.Height(32), GUILayout.Width(170))) confirmWorld = "reset";
+            GUILayout.Space(10);
+            if (GUILayout.Button("BACKUP NOW", primary, GUILayout.Height(32), GUILayout.Width(150))) mp.WorldAction(6, null);
+            GUILayout.FlexibleSpace();
+            GUILayout.EndHorizontal();
+            GUILayout.Label("Reset: all moved objects, bought items, doors and vehicle values go back to the server's save game.", small);
+            GUILayout.Space(10);
+
+            GUILayout.Label("SAVE BACKUPS (NEWEST FIRST)", small);
+            adminScroll = GUILayout.BeginScrollView(adminScroll);
+            if (backupNames == null) GUILayout.Label("Loading...", small);
+            else if (backupNames.Count == 0) GUILayout.Label("No backups yet. They are created automatically when the server takes over a save game, or with BACKUP NOW.", small);
+            else
+            {
+                foreach (string name in backupNames)
+                {
+                    GUILayout.BeginHorizontal(rowStyle, GUILayout.Height(40));
+                    GUILayout.Label(PrettyBackup(name), chatName);
+                    GUILayout.FlexibleSpace();
+                    if (confirmWorld == name)
+                    {
+                        if (GUILayout.Button("REALLY?", danger, GUILayout.Height(28), GUILayout.Width(100))) { mp.WorldAction(7, name); confirmWorld = null; }
+                        GUILayout.Space(4);
+                        if (GUILayout.Button("CANCEL", secondary, GUILayout.Height(28), GUILayout.Width(90))) confirmWorld = null;
+                    }
+                    else if (GUILayout.Button("RESTORE", primary, GUILayout.Height(28), GUILayout.Width(100))) confirmWorld = name;
+                    GUILayout.EndHorizontal();
+                    GUILayout.Space(4);
+                }
+            }
+            GUILayout.EndScrollView();
+        }
+
+        /// <summary>"20260927-104626" -> "27.09.2026  10:46:26".</summary>
+        static string PrettyBackup(string name)
+        {
+            if (name == null || name.Length != 15 || name[8] != '-') return name;
+            return name.Substring(6, 2) + "." + name.Substring(4, 2) + "." + name.Substring(0, 4) + "   " +
+                   name.Substring(9, 2) + ":" + name.Substring(11, 2) + ":" + name.Substring(13, 2);
+        }
+
         void DrawAdminBans(MultiplayerManager mp)
         {
             GUILayout.Label(mp.IsDedicated ? "Banned players cannot join this server. UNBAN lets them in again."