Pull down chart field from StateBase.

Assets/Cryville/Crtr/StateBase.cs

@@ -5,13 +5,11 @@ namespace Cryville.Crtr {
 	public abstract class StateBase<T> {
 		public int EventId;
 		public double Time;
-		public Chart chart;
 		public List<T> events;
 
 		bool breakflag = false;
 		
-		public StateBase(Chart c, List<T> evs) {
-			chart = c;
+		public StateBase(List<T> evs) {
 			events = evs;
 			EventId = 0;
 			Time = 0;