Random background movie support

stepmania/src/InputQueue.cpp

@@ -15,6 +15,7 @@
 #include "GameManager.h"
 #include "RageException.h"
 #include "RageTimer.h"
+#include "InputMapper.h"
 
 
 InputQueue*	INPUTQUEUE = NULL;	// global and accessable from anywhere in our program
@@ -34,6 +35,35 @@ void InputQueue::RememberInput( const GameInput GameI )
 	m_aQueue[c].Add( GameButtonAndTime(GameI.button,TIMER->GetTimeSinceStart()) );
 };
 
+bool InputQueue::MatchesPattern( const GameController c, const MenuButton* button_sequence, const int iNumButtons, float fMaxSecondsBack )
+{
+	if( fMaxSecondsBack == -1 )
+		fMaxSecondsBack = 0.4f + iNumButtons*0.15f;
+
+	float fOldestTimeAllowed = TIMER->GetTimeSinceStart() - fMaxSecondsBack;
+
+	int sequence_index = iNumButtons-1;	// count down
+	for( int queue_index=m_aQueue[c].GetSize()-1; queue_index>=0; queue_index-- )	// iterate newest to oldest
+	{
+		GameButtonAndTime BandT = m_aQueue[c][queue_index];
+		GameInput GameI( c, BandT.button );
+		MenuInput MenuI;
+		INPUTMAPPER->GameToMenu( GameI, MenuI );
+		if( MenuI.button != button_sequence[sequence_index]  ||
+			BandT.fTime < fOldestTimeAllowed )
+		{
+			return false;
+		}
+		if( sequence_index == 0 )		// we matched the whole pattern
+		{
+			m_aQueue[c].RemoveAll();	// empty the queue so we don't match on it again
+			return true;
+		}
+		sequence_index--;
+	}
+	return false;
+}
+
 bool InputQueue::MatchesPattern( const GameController c, const GameButton* button_sequence, const int iNumButtons, float fMaxSecondsBack )
 {
 	if( fMaxSecondsBack == -1 )