Functional networkevent validation, functional single player saving, requireditem ui texts, titlescreen & loading

Subsurface/Events/ScriptedEvent.cs

@@ -92,13 +92,11 @@ namespace Subsurface
         }
 
 
-        public static ScriptedEvent LoadRandom(string seed)
+        public static ScriptedEvent LoadRandom(Random rand)
         {
             XDocument doc = ToolBox.TryLoadXml(configFile);
             if (doc == null) return null;
-
-            Random rand = new Random(seed.GetHashCode());
-
+            
             int eventCount = doc.Root.Elements().Count();
             //int[] commonness = new int[eventCount];
             float[] eventProbability = new float[eventCount];

Subsurface/Events/TaskManager.cs

@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
+using System;
 
 namespace Subsurface
 {
@@ -61,8 +62,25 @@ namespace Subsurface
 
         private void CreateScriptedEvents(Level level)
         {
-            ScriptedEvent scriptedEvent = ScriptedEvent.LoadRandom(level.Seed);
-            AddTask(new ScriptedTask(scriptedEvent));
+            Random rand = new Random(level.Seed.GetHashCode());
+
+            float totalDifficulty = level.Difficulty;
+
+            int tries = 0;
+            do
+            {
+                ScriptedEvent scriptedEvent = ScriptedEvent.LoadRandom(rand);
+                if (scriptedEvent==null || scriptedEvent.Difficulty > totalDifficulty)
+                {
+                    tries++;
+                    continue;
+                }
+
+                AddTask(new ScriptedTask(scriptedEvent));
+                totalDifficulty -= scriptedEvent.Difficulty;
+                tries = 0;
+            } while (tries < 5);
+
         }
 
         public void TaskStarted(Task task)