From f9b1af1b19d7afafb605347a53085b818adf1ce6 Mon Sep 17 00:00:00 2001
From: Justin <justin.middas@gmail.com>
Date: Mon, 26 Dec 2011 12:53:16 -0700
Subject: [PATCH] fixed null pointer exceptions during save and initializing
 regions

---
 TShockAPI/BackupManager.cs    |  3 ++-
 TShockAPI/DB/RegionManager.cs | 18 +++++++++++++-----
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/TShockAPI/BackupManager.cs b/TShockAPI/BackupManager.cs
index e56bbffa..bd2e6f56 100644
--- a/TShockAPI/BackupManager.cs
+++ b/TShockAPI/BackupManager.cs
@@ -69,7 +69,8 @@ namespace TShockAPI
 
                 foreach (TSPlayer player in TShock.Players)
                 {
-                    if (player.IsLoggedIn)
+                    // prevent null point exceptions
+                    if (player != null && player.IsLoggedIn)
                     {
                         TShock.InventoryDB.InsertPlayerData(player);
                     }
diff --git a/TShockAPI/DB/RegionManager.cs b/TShockAPI/DB/RegionManager.cs
index da2f7246..ad3ea38c 100644
--- a/TShockAPI/DB/RegionManager.cs
+++ b/TShockAPI/DB/RegionManager.cs
@@ -664,12 +664,20 @@ namespace TShockAPI.DB
 
 		public void SetAllowedGroups( String groups )
 		{
-			List<String> groupArr = groups.Split(',').ToList();
-			
-			for (int i = 0; i < groupArr.Count; i++)
-				groupArr[i] = groupArr[i].Trim();
+            // prevent null pointer exceptions
+            if (!string.IsNullOrEmpty(groups))
+            {
+                List<String> groupArr = groups.Split(',').ToList();
 
-			AllowedGroups = groupArr;
+                for (int i = 0; i < groupArr.Count; i++)
+                    groupArr[i] = groupArr[i].Trim();
+
+                AllowedGroups = groupArr;
+            }
+            else
+            {
+                AllowedGroups = new List<string>();
+            }
 		}
 
         public void RemoveID(int id)