TasStateManager - capture every other frame for now

BizHawk.Client.Common/movie/tasproj/TasStateManager.cs

@@ -65,8 +65,21 @@ namespace BizHawk.Client.Common
 
 		/// <summary>
 		/// Requests that the current emulator state be captured 
+		/// Unless force is true, the state may or may not be captured depending on the logic employed by "greenzone" management
 		/// </summary>
-		public void Capture()
+		public void Capture(bool force = false)
+		{
+			bool shouldCapture = false;
+			if (force)
+			{
+				shouldCapture = force;
+			}
+			else
+			{
+				shouldCapture = Global.Emulator.Frame % 2 > 0;
+			}
+
+			if (shouldCapture)
 			{
 				var frame = Global.Emulator.Frame;
 				var state = (byte[])Global.Emulator.SaveStateBinary().Clone();
@@ -87,6 +100,7 @@ namespace BizHawk.Client.Common
 					Used += state.Length;
 				}
 			}
+		}
 
 		public bool HasState(int frame)
 		{