add TweenTime()

stepmania/src/Actor.cpp

@@ -48,7 +48,6 @@ Actor::Actor()
 
 }
 
-
 void Actor::Draw()
 {
 	// call the most-derived versions
@@ -522,3 +521,12 @@ void Actor::Fade( float fSleepSeconds, CString sFadeString, float fFadeSeconds,
 	LatestTween() = bOnToScreenOrOffOfScreen ? mod : original;
 }
 
+float Actor::TweenTime() const
+{
+	float tot = 0;
+
+	for(int i = 0; i < m_iNumTweenStates; ++i)
+		tot += m_TweenInfo[i].m_fTimeLeftInTween;
+
+	return tot;
+}

stepmania/src/Actor.h

@@ -104,9 +104,9 @@ public:
 
 
 	virtual void BeginTweening( float time, TweenType tt = TWEEN_LINEAR );
-	//  Tweening is now queued by default
-	//	virtual void BeginTweening( float time, TweenType tt = TWEEN_LINEAR );
 	virtual void StopTweening();
+	/* Amount of time until all tweens have stopped: */
+	virtual float TweenTime() const;
 	virtual void SetTweenX( float x );
 	virtual void SetTweenY( float y );
 	virtual void SetTweenZ( float z );
@@ -237,7 +237,6 @@ protected:
 	int			m_iNumTweenStates;
 	TweenState& LatestTween() { ASSERT(m_iNumTweenStates>0 && m_iNumTweenStates<MAX_TWEEN_STATES);	return m_TweenStates[m_iNumTweenStates-1]; };
 
-
 	//
 	// Temporary variables that are filled just before drawing
 	//

stepmania/src/ActorFrame.cpp

@@ -49,3 +49,15 @@ void ActorFrame::SetDiffuse( RageColor c )
 	for( unsigned i=0; i<m_SubActors.size(); i++ )
 		m_SubActors[i]->SetDiffuse(c );
 }
+
+float ActorFrame::TweenTime() const
+{
+	float m = Actor::TweenTime();
+
+	for( unsigned i=0; i<m_SubActors.size(); i++ )
+		m = max(m, m_SubActors[i]->TweenTime());
+
+	return m;
+
+}
+

stepmania/src/ActorFrame.h

@@ -24,6 +24,9 @@ public:
 
 	virtual void SetDiffuse( RageColor c );
 
+	/* Amount of time until all tweens (and all children's tweens) have stopped: */
+	virtual float TweenTime() const;
+
 protected:
 	CArray<Actor*,Actor*>	m_SubActors;
 };