allow setting AutoActor directly

stepmania/src/AutoActor.cpp

@@ -27,6 +27,12 @@ AutoActor &AutoActor::operator=( const AutoActor &cpy )
 	return *this;
 }
 
+void AutoActor::Load( Actor *pActor )
+{
+	Unload();
+	m_pActor = pActor;
+}
+
 void AutoActor::Load( const RString &sPath )
 {
 	Unload();

stepmania/src/AutoActor.h

@@ -21,6 +21,7 @@ public:
 	Actor *operator->()		{ return m_pActor; }
 	void Unload();
 	bool IsLoaded() const		{ return m_pActor != NULL; }
+	void Load( Actor *pActor );
 	void Load( const RString &sPath );
 	void LoadFromNode( const RString &sDir, const XNode* pNode );
 	void LoadAndSetName( const RString &sScreenName, const RString &sActorName );