New arrow type: the Fake arrow. Doesn't score for or against you. Perfect for simfiles that want to use mission mode type files or use measure skipping and not have it count against you. See ZXZ Bloody Heart in StepMix 4 for a file that could use this arrow type.

stepmania/src/NoteTypes.h

@@ -76,6 +76,7 @@ struct TapNote
 		lift,		// up
 		attack,
 		autoKeysound,
+		fake,		// not scored for or against
  	};
 	enum SubType
 	{
@@ -170,6 +171,7 @@ extern TapNote TAP_ORIGINAL_MINE;		// 'M'
 extern TapNote TAP_ORIGINAL_LIFT;		// 'L'
 extern TapNote TAP_ORIGINAL_ATTACK;		// 'A'
 extern TapNote TAP_ORIGINAL_AUTO_KEYSOUND;	// 'K'
+extern TapNote TAP_ORIGINAL_FAKE;		// 'F'
 extern TapNote TAP_ADDITION_TAP;
 extern TapNote TAP_ADDITION_MINE;