readd missing operator= (needed for STL use)

stepmania/src/BitmapText.cpp

@@ -66,10 +66,9 @@ BitmapText::~BitmapText()
 		FONT->UnloadFont( m_pFont );
 }
 
-BitmapText::BitmapText( const BitmapText &cpy ):
-	Actor( cpy )
+BitmapText & BitmapText::operator=(const BitmapText &cpy)
 {
-	m_pFont = NULL;
+	Actor::operator=(cpy);
 
 #define CPY(a) a = cpy.a
 	CPY( m_bUppercase );
@@ -96,6 +95,16 @@ BitmapText::BitmapText( const BitmapText &cpy ):
 		m_pFont = FONT->CopyFont( cpy.m_pFont );
 	else
 		m_pFont = NULL;
+
+	return *this;
+}
+
+BitmapText::BitmapText( const BitmapText &cpy ):
+	Actor( cpy )
+{
+	m_pFont = NULL;
+
+	*this = cpy;
 }
 
 void BitmapText::LoadFromNode( const XNode* pNode )

stepmania/src/BitmapText.h

@@ -15,6 +15,7 @@ class BitmapText : public Actor
 public:
 	BitmapText();
 	BitmapText( const BitmapText &cpy );
+	BitmapText &operator=(const BitmapText &cpy);
 	virtual ~BitmapText();
 
 	virtual void LoadFromNode( const XNode* pNode );

stepmania/src/MessageManager.cpp

@@ -228,6 +228,19 @@ MessageSubscriber::MessageSubscriber( const MessageSubscriber &cpy ):
 		this->SubscribeToMessage( *msg );
 }
 
+MessageSubscriber &MessageSubscriber::operator=(const MessageSubscriber &cpy)
+{
+	if(&cpy == this)
+		return *this;
+
+	UnsubscribeAll();
+
+	FOREACH_CONST( RString, cpy.m_vsSubscribedTo, msg )
+		this->SubscribeToMessage( *msg );
+
+	return *this;
+}
+
 void MessageSubscriber::SubscribeToMessage( const RString &sMessageName )
 {
 	MESSAGEMAN->Subscribe( this, sMessageName );

stepmania/src/MessageManager.h

@@ -151,6 +151,7 @@ class MessageSubscriber : public IMessageSubscriber
 public:
 	MessageSubscriber() {}
 	MessageSubscriber( const MessageSubscriber &cpy );
+	MessageSubscriber &operator=(const MessageSubscriber &cpy);
 
 	//
 	// Messages