Tweaked Events and Normal Battles selection

Events and normal battles are pooled, so neither repeat until the pool has been exhausted.
Added event pool and battle pool to save file.

Author: LifeHckr

Classes/Events/EventDatabase.cs

@@ -6,6 +6,8 @@
 /// </summary>
 public class EventDatabase
 {
+    public const int EventDatabaseSize = 3;
+
     public static readonly EventTemplate[] EventDictionary = new[]
     {
         new EventTemplate(

Scenes/EventScene/EventScene.cs

@@ -46,7 +46,7 @@ public override void _Ready()
         RandomNumberGenerator stageRng = new RandomNumberGenerator();
         stageRng.SetSeed(StageProducer.GlobalRng.Seed + (ulong)StageProducer.Config.BattleRoom.Idx);
         int eventIndex = stageRng.RandiRange(0, EventPool.Count - 1);
-        _eventReference = EventDatabase.EventDictionary[EventPool[eventIndex]];
+        _eventReference = EventDatabase.EventDictionary[eventIndex];
 
         EventPool.RemoveAt(eventIndex);
         DisplayEvent();