Add BeatTime properties.

Assets/Cryville/Crtr/PropOp.cs

@@ -2,6 +2,7 @@
 using System;
 using System.Collections.Generic;
 using System.Reflection;
+using RBeatTime = Cryville.Crtr.BeatTime;
 
 namespace Cryville.Crtr {
 	public abstract class PropOp : PdtOperator {
@@ -52,6 +53,14 @@ namespace Cryville.Crtr {
 				_cb((T)(object)result);
 			}
 		}
+		public class BeatTime : PropOp {
+			readonly Action<RBeatTime> _cb;
+			public BeatTime(Action<RBeatTime> cb) { _cb = cb; }
+			protected override unsafe void Execute() {
+				var o = GetOperand(0);
+				_cb(*(RBeatTime*)o.TrustedAsOfLength(sizeof(RBeatTime)));
+			}
+		}
 		public class Vector2 : PropOp {
 			readonly Action<UnityEngine.Vector2> _cb;
 			public Vector2(Action<UnityEngine.Vector2> cb) { _cb = cb; }