class Script
    {
        List<IScriptItem> m_items = new List<IScriptItem>();
        GameResource m_gameResource;
        int m_itemIndex;
        String m_filename;
        bool m_shouldDelete;
        public Script(String filename, GameResource resource)
        {
            m_filename = filename;
            m_gameResource = resource;
            DataNode rootNode = DataNodeResource.getDataNode(@"Content\scripts\" + filename);
            m_itemIndex = 0;
            addFromNode(rootNode);
        }
        public void setDeleted()
        {
            m_shouldDelete = true;
        }
        public String getFilename()
        {
            return m_filename;
        }
        public bool shouldDelete()
        {
            return m_shouldDelete;
        }
        void addFromNode(DataNode node)
        {
            int nodeCount = node.getNodeCount();
            for (int nodeIndex = 0; nodeIndex < nodeCount; ++nodeIndex)
            {
                DataNode thisNode = node.getNode(nodeIndex);
                String itemType = thisNode.getName();            IScriptItem itemToAdd = null;
                if ( itemType == "wait" ) // replace these else-ifs with your favourite String -> Object building logic
                {
                    itemToAdd = new ScriptItems.Wait();
                }
                else if ( itemType == "play_cue" )
                {
                    itemToAdd = new ScriptItems.PlayCue();
                }

                if (itemToAdd != null)
                {
                    itemToAdd.baseSetup(m_gameResource);   // set up base
                    itemToAdd.setup(thisNode); // pass data to item set up
                    m_items.Add(itemToAdd);
                }
                else
                {
    // throw an exception or do some error thing here - you've tried to use a command in your script which doesn't exist!
                }

            }
        }
        public bool run(float dt)
        {
            bool shouldBreak = false;
            while ( true )
            {
            if ( m_itemIndex >= (int)m_items.Count )
            {
            return false;
            }
            if ( shouldBreak )
            {
            return true;
            }
            m_items[m_itemIndex].run(dt);
            shouldBreak = m_items[m_itemIndex].shouldUpdateGame();
            if ( m_items[m_itemIndex].isComplete() )
            {
                 ++m_itemIndex;
            }
        }
        }
    }