public static int GetCost(IntPtr l)
    {
        int result;

        try
        {
            WorldPathNode   worldPathNode = (WorldPathNode)LuaObject.checkSelf(l);
            WorldPathfinder pathfinder;
            LuaObject.checkType <WorldPathfinder>(l, 2, out pathfinder);
            WorldPathNode successor;
            LuaObject.checkType <WorldPathNode>(l, 3, out successor);
            float cost = worldPathNode.GetCost(pathfinder, successor);
            LuaObject.pushValue(l, true);
            LuaObject.pushValue(l, cost);
            result = 2;
        }
        catch (Exception e)
        {
            result = LuaObject.error(l, e);
        }
        return(result);
    }