TAStudio - when loading a movie, set to playback mode, implement auto-switching to record mode at the end of a movie

BizHawk.Client.Common/movie/MovieRecord.cs

@@ -17,8 +17,7 @@ namespace BizHawk.Client.Common
 			SetInput(buttons);
 			if (captureState)
 			{
-				Lagged = Global.Emulator.IsLagFrame;
-				_state = Global.Emulator.SaveStateBinary();
+				CaptureSate();
 			}
 		}
 
@@ -49,6 +48,12 @@ namespace BizHawk.Client.Common
 			_boolButtons = buttons;
 		}
 
+		public void CaptureSate()
+		{
+			Lagged = Global.Emulator.IsLagFrame;
+			_state = Global.Emulator.SaveStateBinary();
+		}
+
 		public void ClearInput()
 		{
 			InputChanged(_boolButtons);

BizHawk.Client.Common/movie/TasMovie.cs

@@ -146,6 +146,10 @@ namespace BizHawk.Client.Common
 			{
 				if (frame >= 0)
 				{
+					if (!_records[frame].HasState)
+					{
+						_records[frame].CaptureSate();
+					}
 					return _mg.GenerateMnemonicString(_records[frame].Buttons);
 				}
 				else
@@ -155,7 +159,11 @@ namespace BizHawk.Client.Common
 			}
 			else
 			{
-				_mode = Moviemode.Finished; // TODO: never do this in a TasMovie!
+				_mode = Moviemode.Record;
+
+				var buttons = _mg.ParseMnemonicString(_mg.EmptyMnemonic);
+
+				_records.Add(new MovieRecord(buttons, true));
 				return String.Empty;
 			}
 		}
@@ -363,6 +371,8 @@ namespace BizHawk.Client.Common
 						catch (EndOfStreamException) { }
 					});
 			}
+
+			_mode = Moviemode.Play;
 			return true;
 		}
 

BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.cs

@@ -167,7 +167,6 @@ namespace BizHawk.Client.EmuHawk
 			else
 			{
 				EngageTasStudio();
-				
 			}
 
 			_tas.ActivePlayers = new List<string> { "Player 1" }; // TODO