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// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © TZack88

//@version=5
indicator('RMI Trend Sniper', overlay=true,max_labels_count = 500)

// ** ---> Inputs ------------- {
var bool positive                   = false
var bool negative                   = false
string RSI_group                    = "RMI Settings"
string mom_group                    = "Range Vales"
string visual                       = "Visuals" 
int Length                          = input(14,"RMI Length ",inline = "RMI",group = RSI_group)
int pmom                            = input(66," Positive above",inline = "rsi1",group =RSI_group )
int nmom                            = input(30,"Negative below",inline = "rsi1",group =RSI_group )
bool filleshow                      = input(true,"Show Range MA ",inline = "002",group =visual )
color bull                          = input(#00bcd4,"",inline = "002",group =visual )
color bear                          = input(#ff5252,"",inline = "002",group =visual )
float BarRange                      = high - low

up = ta.rma(math.max(ta.change(close), 0), Length)
down = ta.rma(-math.min(ta.change(close), 0), Length)
rsi = down == 0 ? 100 : up == 0 ? 0 : 100 - (100 / (1 + up / down))
mf = ta.mfi(hlc3, Length)
rsi_mfi = math.avg(rsi,mf)



//------------------- }

bool p_mom                          = rsi_mfi[1] < pmom and
      rsi_mfi > pmom and
      rsi_mfi > nmom and
       ta.change(ta.ema(close,5)) > 0

bool n_mom                          = rsi_mfi < nmom and
      ta.change(ta.ema(close,5)) < 0
// //  ---> Momentums ------------- {

if p_mom
    positive:= true
    negative:= false

if n_mom
    positive:= false
    negative:= true     



//
method _Band(int len)=>
    math.min (ta.atr (len) * 0.3, close * (0.3/100)) [20] /2 * 8 


Band = _Band(30) 


method rangeMA(float Range,Prd)=>
    weight = Range / math.sum(Range, Prd)
    sum = math.sum(close * weight, Prd)
    tw= math.sum(weight, Prd)
    sum / tw


// Calculate the RWMA
rwma = rangeMA(BarRange,20)

// Plotting the RWMA.
colour = positive ? bull : bear
RWMA = positive ? rwma - Band : negative ? rwma + Band : na
alpha = color.new(color.black, 100)

center = plot(filleshow ? RWMA : na, "RRTH", colour, editable = true)
plot(filleshow ? RWMA : na, "RRTH", color.new(colour, 70), 2, editable = true)
plot(filleshow ? RWMA : na, "RRTH", color.new(colour, 80), 3, editable = true)
plot(filleshow ? RWMA : na, "RRTH", color.new(colour, 90), 4, editable = true)


plot(close, "CLOSE", colour, editable = false,display = display.pane)

max = RWMA + Band
min = RWMA - Band

top = plot(filleshow ? max: na, "RRTH", alpha)
bottom = plot(filleshow ? min: na, "RRTH", alpha)
fill(top, center, top_value =  max, bottom_value = RWMA, bottom_color = color.new(colour, 75), top_color = alpha, editable = true)
fill(center, bottom, top_value =  RWMA, bottom_value = min, bottom_color = alpha, top_color = color.new(colour, 75), editable = true)
Barcol = positive ? color.green:color.red

if negative and not negative[1]
    label.new(bar_index,max+(Band/2),"",color = color.red,size=size.small)
if positive and not positive[1]
    label.new(bar_index,min-(Band/2),"",color = color.green,size=size.small,style= label.style_label_up)

plotcandle(open, high, low, close,color = Barcol,wickcolor = Barcol,bordercolor  = Barcol)
barcolor(color = Barcol)


// SPOT Trading Alerts
alertcondition(positive and not positive[1],"BUY")
alertcondition(negative and not negative[1],"SELL")