Custom ADR (Average Daily Range) indicator needed

This is how classic ADR works:

The Average Daily Range shows the average pip range of a Forex pair measured over a certain number of periods.

The calculation of the daily range of a currency pair is a relatively easy process. You simply take the distance between the daily highs and daily lows of a currency pair.

You can configure it to take into consideration as many periods as you want.

Let’s see an example of how the ADR calculation works:

Say that we adjust our ADR indicator to take into consideration five days. The distances (range) between the highest and the lowest point of each of these days are:

n1 = 560 ticks/points

n2 = 270 ticks/points

n3 = 780  ticks/points

n4 = 300  ticks/points

n5 = 420  ticks/points

The ADR calculator formula is as follows: ADR = (n1 + n2 + n3 + n4 + n5) / 5

And now we apply the values to the formula ADR =

(560 + 270 + 780 +300 + 420) / 5

ADR = 2330 / 5

ADR = 466 ticks/points

This is what I want:

Name of the indicator: Ranger

I want to be able to see the average range, the current range & the available ticks of three different periods.

-12 hours range 

-London New York overlap 

-24 hours range (Daily)

The start time of the calculations must be set to variable so that I can adjust to my brokers time.

input int Lookback = 5;

input int Start_Time= "07:00"; //07:00 to 19:00 = 12 hours & 07:00 AM to 07:00 AM = 24 hours/Day

input int LondonNewYork_Start="15:30";

input int LondonNewYork_End="18:00";

I want the data from the previous day to remain on the chart.

If the current range is greater than the avg range; put in red.

Anchor the text on the Start_Time variable.

Put the calculations in ticks (points).

Refer to the attached image for a visual.

Thanks!