Pinescript Box Setup

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

//@version=5
indicator("Box Finder by AlexsOptions [STAT Trading]","AlexsOptions",overlay=true,max_bars_back = 10)

var line upper_pivot = na
var line lower_pivot = na

var bars_since_range_exit = 0

var bool inside_box = false
var bool box_active = false
var bool box_bullish = false
var line active_line_upper = na
var line active_line_lower = na

use_motherbar = input(true)
range_size = input.int(5)


if use_motherbar and high[2] > high[1] and high[2] > high and low[2] < low[1] and low[2] < low  and inside_box==false
    inside_box:= true
    line.delete(upper_pivot)
    upper_pivot:= line.new(bar_index[1],high[2],bar_index[0]+15,high[2],color=color.black,width=2)
    line.delete(lower_pivot)
    lower_pivot:= line.new(bar_index[1],low[2],bar_index[0]+15,low[2],color=color.black,width=2)

float range_height = math.abs(upper_pivot.get_y1()-lower_pivot.get_y1())

if inside_box
    if close > upper_pivot.get_y1()
        active_line_upper:= line.new(upper_pivot.get_x1(),upper_pivot.get_y1(),bar_index[0]+15,upper_pivot.get_y1(),color=color.black,style=line.style_dotted)
        active_line_lower:= line.new(lower_pivot.get_x1(),lower_pivot.get_y1(),bar_index[0]+15,lower_pivot.get_y1(),color=color.black,style=line.style_dotted)
        //line.new(lower_pivot.get_x1(),lower_pivot.get_y1()-range_height*1,bar_index[0]+15,lower_pivot.get_y1()-range_height*1,color=color.blue,style=line.style_solid)
        //line.new(lower_pivot.get_x1(),lower_pivot.get_y1()-range_height*2.5,bar_index[0]+15,lower_pivot.get_y1()-range_height*2.5,color=color.blue,style=line.style_dashed)
        //line.new(lower_pivot.get_x1(),lower_pivot.get_y1()-range_height*2.25,bar_index[0]+15,lower_pivot.get_y1()-range_height*2.25,color=color.blue,style=line.style_dashed)
        line.delete(lower_pivot)
        line.delete(upper_pivot)

        upper_pivot:=na
        lower_pivot:=na

        inside_box:=false
        box_active:=true
        box_bullish:=false
    if close < lower_pivot.get_y1()
        active_line_upper:= line.new(upper_pivot.get_x1(),upper_pivot.get_y1(),bar_index[0]+15,upper_pivot.get_y1(),color=color.black,style=line.style_dotted)
        active_line_lower:= line.new(lower_pivot.get_x1(),lower_pivot.get_y1(),bar_index[0]+15,lower_pivot.get_y1(),color=color.black,style=line.style_dotted)
        //line.new(upper_pivot.get_x1(),upper_pivot.get_y1()+range_height*1,bar_index[0]+15,upper_pivot.get_y1()+range_height*1,color=color.blue,style=line.style_solid)
        //line.new(upper_pivot.get_x1(),upper_pivot.get_y1()+range_height*2.5,bar_index[0]+15,upper_pivot.get_y1()+range_height*2.5,color=color.blue,style=line.style_dashed)
        //line.new(upper_pivot.get_x1(),upper_pivot.get_y1()+range_height*2.25,bar_index[0]+15,upper_pivot.get_y1()+range_height*2.25,color=color.blue,style=line.style_dashed)
        line.delete(lower_pivot)
        line.delete(upper_pivot)

        upper_pivot:=na
        lower_pivot:=na

        inside_box:=false
        box_active:=true
        box_bullish:=true

short_signal = box_active and box_bullish == false and close < active_line_upper.get_y1()
long_signal = box_active and box_bullish and close > active_line_lower.get_y1()

plotshape(short_signal,'Signal Short',style=shape.arrowdown,location = location.abovebar,color=color.red,size=size.large)
plotshape(long_signal,'Signal Long',style=shape.arrowup,location = location.belowbar,color=color.green,size=size.large)

if short_signal or long_signal
    box_active:=false
    box_bullish:=false
    active_line_upper:=na
    active_line_lower:=na