Make long motion events standalone to avoid transition overflow.

Assets/Cryville/Crtr/Chart.cs

@@ -9,6 +9,12 @@ using System.Linq;
 using UnsafeIL;
 
 namespace Cryville.Crtr {
+	[Flags]
+	public enum CoeventMode {
+		None = 0x0,
+		Coevent = 0x1,
+		Standalone = 0x2,
+	}
 	public abstract class ChartEvent {
 		public BeatTime? time;
 		
@@ -36,7 +42,7 @@ namespace Cryville.Crtr {
 		public abstract int Priority { get; }
 
 		[JsonIgnore]
-		public virtual bool Standalone { get { return false; } }
+		public virtual CoeventMode CoeventMode { get { return CoeventMode.Coevent; } }
 
 		public ChartEvent Clone() {
 			return (ChartEvent)MemberwiseClone();
@@ -279,6 +285,7 @@ namespace Cryville.Crtr {
 			public float sumfix = 0.0f;
 
 			public override int Priority { get { return 0x1000; } }
+			public override CoeventMode CoeventMode { get { return IsLong ? CoeventMode.Standalone : CoeventMode.Coevent; } }
 
 			public Motion() {
 				SubmitPropOp("motion", new PropOp.String(v => motion = v)); // TODO Obsolete
@@ -327,7 +334,7 @@ namespace Cryville.Crtr {
 #pragma warning restore IDE1006
 
 			public override int Priority { get { return 0; } }
-			public override bool Standalone { get { return true; } }
+			public override CoeventMode CoeventMode { get { return CoeventMode.Standalone; } }
 
 			public Judge() {
 				SubmitPropSrc("name", new PropSrc.Identifier(() => Id.Key));