Market Facilitation Index V2 with MTF support [LazyBear]

//
// @author LazyBear
// List of all my indicators:
// https://docs.google.com/document/d/15AGCufJZ8CIUvwFJ9W-IKns88gkWOKBCvByMEvm5MLo/edit?usp=sharing
// v2 - MTF support
// v1 - initial release
//
study("Market Facilitation Index v2 [LazyBear]", shorttitle="MFIndex_MTF_LB", overlay=true)
plot_offs=input(0.005, title="Indicator offset % (below low)")

useCustomTimeframe=input(false)
customTimeframe=input("D", type=resolution)

h=useCustomTimeframe ? security(tickerid, customTimeframe, high) : high
l=useCustomTimeframe ? security(tickerid, customTimeframe, low) : low
v = useCustomTimeframe ? security(tickerid, customTimeframe, volume) : volume

r_hl=roc((h-l)/v,1)
r_v=roc(v,1)
green_f= (r_hl > 0) and (r_v > 0)
fade_f=(r_hl < 0) and (r_v < 0)
fake_f=(r_hl > 0) and (r_v < 0)
squat_f=(r_hl < 0) and (r_v > 0)
b_color = green_f ? green : fade_f ? blue : fake_f ? gray : squat_f ? red : na
plot(l - (l*plot_offs), color=b_color, style=circles, linewidth=4)