After an assertion failure, the user might continue. If we ASSERT(0),

return.  (We should probably be throwing, though.)

stepmania/src/Actor.cpp

@@ -176,7 +176,7 @@ void Actor::UpdateTweening( float fDeltaTime )
 		const float fPercentThroughTween = 1-(TI.m_fTimeLeftInTween / TI.m_fTweenTime);
 
 		// distort the percentage if appropriate
-		float fPercentAlongPath;
+		float fPercentAlongPath = 0.f;
 		switch( TI.m_TweenType )
 		{
 		case TWEEN_LINEAR:		fPercentAlongPath = fPercentThroughTween;														break;
@@ -325,7 +325,7 @@ void Actor::ScaleTo( LPRECT pRect, StretchType st )
 	float fNewZoomX = fabsf(rect_width  / m_size.x);
 	float fNewZoomY = fabsf(rect_height / m_size.y);
 
-	float fNewZoom;
+	float fNewZoom = 0.f;
 	switch( st )
 	{
 	case cover:

stepmania/src/OptionsCursor.cpp

@@ -42,7 +42,7 @@ void OptionsCursor::Load( PlayerNumber pn, bool bUnderline )
 	{
 	case PLAYER_1:		iBaseFrameNo = 0;	break;
 	case PLAYER_2:		iBaseFrameNo = 3;	break;
-	default:			ASSERT(0);			break;
+	default:			ASSERT(0);			return;
 	}
 	m_sprLeft.SetState(   iBaseFrameNo+0 );
 	m_sprMiddle.SetState( iBaseFrameNo+1 );