Adds banned items. Delete groups.txt and run server once.

TShockAPI/ItemManager.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.IO;
+using Terraria;
+
+namespace TShockAPI
+{
+    class ItemManager
+    {
+        public static List<ItemBan> BannedItems = new List<ItemBan>();
+
+        public static void LoadBans()
+        {
+            try
+            {
+                if (!File.Exists(FileTools.ItemBansPath))
+                    return;
+
+                BannedItems.Clear();
+
+                foreach (var line in File.ReadAllLines(FileTools.ItemBansPath))
+                {
+                    int ID = -1;
+                    if (Int32.TryParse(line, out ID))
+                    {
+                        if (ID <= Main.item.Length)
+                        {
+                            var item = Tools.GetItemById(ID);
+                            BannedItems.Add(new ItemBan(ID, item.name));
+                            Log.Info("Item: " + item.name + " is banned");
+                        }
+                        else
+                        {
+                            Log.Warn("Invalid ID " + ID);
+                        }
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                Log.Error(e.ToString());
+            }
+        }
+
+        public static bool ItemIsBanned(string ID)
+        {
+            foreach (ItemBan item in BannedItems)
+            {
+                if (ID == item.Name)
+                    return true;
+            }
+            return false;
+        }
+    }
+
+    public class ItemBan
+    {
+        public int ID { get; set; }
+
+        public string Name { get; set; }
+
+        public ItemBan(int id, string name)
+        {
+            ID = id;
+            Name = name;
+        }
+
+        public ItemBan()
+        {
+            ID = -1;
+            Name = string.Empty;
+        }
+    }
+}