#W# Added: More things to the ToAdd Folder.

ToAdd/GraveRobbing/PandoraChestSpawnGuard.cs

@@ -0,0 +1,66 @@
+/**********************************
+* Author: Unknow                  *   
+* Update/Fixed/Refactoring: Expa  *
+* Script: PandoraChestSpawnGuard.cs*
+* Optimized for ModernUO 0.15.4.18 *
+***********************************/
+using System;
+using System.Collections.Concurrent;
+using System.Linq;
+using System.Threading.Tasks;
+using Server;
+
+static class PandoraChestSpawnGuard
+{
+    static readonly ConcurrentDictionary<string, DateTime> locs = new();
+    static readonly ConcurrentDictionary<string, DateTime> accs = new();
+
+    public static void Initialize() => Task.Run(Cleanup);
+
+    static async Task Cleanup()
+    {
+        while (true)
+        {
+            try
+            {
+                await Task.Delay(30000).ConfigureAwait(false);
+                var now = DateTime.UtcNow;
+
+                foreach (var kv in locs.ToArray())
+                {
+                    if ((now - kv.Value).TotalSeconds > 3600) locs.TryRemove(kv.Key, out _);
+                }
+
+                foreach (var kv in accs.ToArray())
+                {
+                    if ((now - kv.Value).TotalSeconds > 3600) accs.TryRemove(kv.Key, out _);
+                }
+            }
+            catch { }
+        }
+    }
+
+    static string LocKey(Map? m, Point3D p, int bucket = 2)
+    {
+        if (m == null) return $"(null):{p.X / bucket}:{p.Y / bucket}";
+        return $"{m}:{p.X / bucket}:{p.Y / bucket}";
+    }
+
+    public static bool CanSpawnAt(Map m, Point3D p, PandoraChestConfig cfg)
+    {
+        var k = LocKey(m, p);
+        if (locs.TryGetValue(k, out var t) && (DateTime.UtcNow - t).TotalSeconds < cfg.Logging.LocationCooldownSeconds) return false;
+        return true;
+    }
+
+    public static void RecordAt(Map m, Point3D p) => locs[LocKey(m, p)] = DateTime.UtcNow;
+
+    public static bool CanSpawnForAccount(string a, PandoraChestConfig cfg)
+    {
+        if (string.IsNullOrEmpty(a)) a = "(null)";
+        if (accs.TryGetValue(a, out var t) && (DateTime.UtcNow - t).TotalSeconds < cfg.Logging.AccountCooldownSeconds) return false;
+        return true;
+    }
+
+    public static void RecordAccount(string a) { if (string.IsNullOrEmpty(a)) a = "(null)"; accs[a] = DateTime.UtcNow; }
+}