Remove WheelIndex. Bind the m_WheelBaseItems instead. To tween

each wheel item separately, do it in eg. WheelOnCommand, and
iterate over the items.

stepmania/src/WheelBase.cpp

@@ -502,17 +502,6 @@ void WheelBase::RebuildWheelItems( int iDist )
 			iLast = -iDist-1;
 	}
 
-	Lua *L = LUA->Get();
-	for( int i=0; i < (int) m_WheelBaseItems.size(); i++ )
-	{
-		m_WheelBaseItems[i]->PushContext(L);
-		lua_pushstring( L, "WheelIndex" );
-		lua_pushnumber( L, i );
-		lua_settable( L, -3 );
-		lua_pop( L, 1 );
-	}
-	LUA->Release( L );
-
 	for( int i=iFirst; i <= iLast; i++ )
 	{
 		int iIndex = iFirstVisibleIndex + i;
@@ -556,6 +545,33 @@ int WheelBase::FirstVisibleIndex()
 	return iFirstVisibleIndex;
 }
 
+// lua start
+#include "LuaBinding.h"
+
+class LunaWheelBase: public Luna<WheelBase>
+{
+public:
+	static int GetWheelItem( T* p, lua_State *L )
+	{
+		int iItem = IArg(1);
+
+		WheelItemBase *pItem = p->GetWheelItem( iItem );
+		if( pItem == NULL )
+			luaL_error( L, "%i out of bounds", iItem );
+		pItem->PushSelf( L );
+
+		return 1;
+	}
+
+	LunaWheelBase()
+	{
+		ADD_METHOD( GetWheelItem );
+	}
+};
+
+LUA_REGISTER_DERIVED_CLASS( WheelBase, ActorFrame )
+// lua end
+
 /*
  * (c) 2001-2004 Chris Danford, Chris Gomez, Glenn Maynard, Josh Allen
  * All rights reserved.

stepmania/src/WheelBase.h

@@ -45,6 +45,10 @@ public:
 	bool IsEmpty() { return m_bEmpty; }
 	WheelItemBaseData* GetItem(unsigned int index);
 	WheelItemBaseData* LastSelected();
+	WheelItemBase *GetWheelItem( int i ) { if( i < 0 || i >= (int) m_WheelBaseItems.size() ) return NULL; return m_WheelBaseItems[i]; }
+
+	// Lua
+	void PushSelf( lua_State *L );
 
 protected:
 	void TweenOnScreenForSort();