Notes

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// Based on script from © ProfessorZoom revised by Agar1999

//@version=4

study("Voodoo Levels", overlay=true, max_bars_back=4000)

// Inputs
var barsBack = input(title="Bars to Check For", type=input.integer, defval=365, group="Main Settings", minval=20, maxval=4000, step=1)
var extendUnFilled = input(title="Extend Unfilled Gap Boxes", type=input.bool, defval=true, group="Main Settings")
var extendFilled = input(title="Extend Filled Gap Boxes", type=input.bool, defval=true, group="Main Settings")
var showFilledBoxes = input(title="Show Filled Gap Boxes", type=input.bool, defval=true, group="Main Settings")
var gapFilledLabelColor = input(title="Gap Filled Label Color", type=input.color, defval=color.white, group="Main Settings")
var hideAllFilledStuff = input(title="Hide All Filled Gap Stuff", type=input.bool, defval=false, group="Main Settings")
var showLabels = input(title="Show Gap Notification Labels", type=input.bool, defval=false, group="Main Settings")

var DistFromGap = input(title="Max Percentage Distance Between Gap and Current Price", type=input.integer, defval=5, minval=0, group="Gap Requirements") //Script will not show voodoo lines far from current price as they are unnecessary
var MinGapSize = input(title="Require Minimum Gap Size", type=input.bool, defval=true, group="Gap Requirements")
var GapSize = input(title="Only Show Gaps Greater Than A Certain Percentage", type=input.integer, defval=3, minval=0, group="Gap Requirements")

var gapUpLabelColor = input(title="Gap Up Label Color", type=input.color, defval=color.white, group="Gap Up")
var gapUpBorderColor = input(title="Gap Up Border Color", type=input.color, defval=color.orange, group="Gap Up")

var gapDownLabelColor = input(title="Gap Down Label Color", type=input.color, defval=color.white, group="Gap Down")
var gapDownBorderColor = input(title="Gap Down Border Color", type=input.color, defval=color.white, group="Gap Down")


// Gap Ups
var gapUpBarsAgo = array.new_int()
var gapUpRight = array.new_int()
var gapUpLeft = array.new_int()
var gapUpHighs = array.new_float()
var gapUpLows = array.new_float()
var gapUpClosed = array.new_int()

// Gap Downs
var gapDownBarsAgo = array.new_int()
var gapDownRight = array.new_int()
var gapDownLeft = array.new_int()
var gapDownHighs = array.new_float()
var gapDownLows = array.new_float()
var gapDownClosed = array.new_int()

// Will use the most recent price at open of 1 minute candle
t = tickerid(syminfo.prefix, syminfo.ticker)
realC = security(t, "5", open)


// Index begins with current day and moves backwards; Higher index value means further in the past
if timeframe.isdaily == true
if barstate.islast

// Check for gaps
for i = 0 to barsBack

// Gap Ups
if low[i] > high[i+1]
if showLabels
label.new(bar_index[i], high[i], "Gap Up", color=gapUpLabelColor)
array.push(gapUpBarsAgo, i)
array.push(gapUpRight, bar_index[i])
array.push(gapUpLeft, bar_index[i+1])
array.push(gapUpHighs, low[i])
array.push(gapUpLows, high[i+1])

// Gap Downs
if high[i] < low[i+1]
if showLabels
label.new(bar_index[i], high[i], "Gap Down", color=gapDownLabelColor)
array.push(gapDownBarsAgo, i)
array.push(gapDownRight, bar_index[i])
array.push(gapDownLeft, bar_index[i+1])
array.push(gapDownHighs, low[i+1])
array.push(gapDownLows, high[i])

// [GAP UP] Check if any gaps are filled
if (array.size(gapUpBarsAgo) > 0)
for i = 0 to array.size(gapUpRight) - 1
for j = array.get(gapUpBarsAgo, i) to 0
if low[j] <= array.get(gapUpLows, i)
if showFilledBoxes and hideAllFilledStuff == false
if ((abs(realC - array.get(gapUpHighs, i))/realC)<=(DistFromGap/100)) or ((abs(realC - array.get(gapUpLows, i))/realC)<=(DistFromGap/100))//if the gap is within 10 percent of open price, plot lines
if (MinGapSize == true)
if (((((low[i] - high[i+1])/low[i])*100)>=GapSize) or ((((high[i] - low[i+1])/high[i])*100)>=GapSize))
// box.new(left=array.get(gapUpLeft, i), top=array.get(gapUpHighs, i), right=bar_index[j], bottom=array.get(gapUpLows, i), border_width=1, border_style=line.style_solid, bgcolor=gapUpBackgroundColor, border_color=gapUpBorderColor, extend=extendFilled ? extend.right : extend.none)
line.new(x1=array.get(gapUpRight, i), y1=array.get(gapUpHighs, i), x2=bar_index[j], y2=array.get(gapUpHighs, i), color=gapUpBorderColor, extend=extend.right, width=1, style=line.style_dashed)
line.new(x1=array.get(gapUpLeft, i), y1=array.get(gapUpLows, i), x2=bar_index[j], y2=array.get(gapUpLows, i), color=gapUpBorderColor, extend=extend.right, width=1, style=line.style_dashed)
if (MinGapSize == false)
// box.new(left=array.get(gapUpLeft, i), top=array.get(gapUpHighs, i), right=bar_index[j], bottom=array.get(gapUpLows, i), border_width=1, border_style=line.style_solid, bgcolor=gapUpBackgroundColor, border_color=gapUpBorderColor, extend=extendFilled ? extend.right : extend.none)
line.new(x1=array.get(gapUpRight, i), y1=array.get(gapUpHighs, i), x2=bar_index[j], y2=array.get(gapUpHighs, i), color=gapUpBorderColor, extend=extend.right, width=1, style=line.style_dashed)
line.new(x1=array.get(gapUpLeft, i), y1=array.get(gapUpLows, i), x2=bar_index[j], y2=array.get(gapUpLows, i), color=gapUpBorderColor, extend=extend.right, width=1, style=line.style_dashed)
if hideAllFilledStuff == false and showLabels
label.new(bar_index[j], low[j], "Gap Filled", color=gapFilledLabelColor, style=label.style_label_up)
array.push(gapUpClosed, array.get(gapUpRight, i))
break

// [GAP UP] Draw unfilled gap boxes
for i = 0 to array.size(gapUpRight) - 1
if array.includes(gapUpClosed, array.get(gapUpRight, i)) == false
if ((abs(realC - array.get(gapUpHighs, i))/realC)<=(DistFromGap/100)) or ((abs(realC - array.get(gapUpLows, i))/realC)<=(DistFromGap/100))//if the gap is within 10 percent of open price, plot lines
if (MinGapSize == true)
if (((((low[i] - high[i+1])/low[i])*100)>=GapSize) or ((((high[i] - low[i+1])/high[i])*100)>=GapSize))
//box.new(left=array.get(gapUpLeft, i), top=array.get(gapUpHighs, i), right=bar_index, bottom=array.get(gapUpLows, i), border_width=1, border_style=line.style_solid, bgcolor=gapUpBackgroundColor, border_color=gapUpBorderColor, extend=extendUnFilled ? extend.right : extend.none)
line.new(x1=array.get(gapUpRight, i), y1=array.get(gapUpHighs, i), x2=bar_index, y2=array.get(gapUpHighs, i), color=gapUpBorderColor, extend=extend.right, width=1, style=line.style_dashed)
line.new(x1=array.get(gapUpLeft, i), y1=array.get(gapUpLows, i), x2=bar_index, y2=array.get(gapUpLows, i), color=gapUpBorderColor, extend=extend.right, width=1, style=line.style_dashed)
if (MinGapSize == false)
//box.new(left=array.get(gapUpLeft, i), top=array.get(gapUpHighs, i), right=bar_index, bottom=array.get(gapUpLows, i), border_width=1, border_style=line.style_solid, bgcolor=gapUpBackgroundColor, border_color=gapUpBorderColor, extend=extendUnFilled ? extend.right : extend.none)
line.new(x1=array.get(gapUpRight, i), y1=array.get(gapUpHighs, i), x2=bar_index, y2=array.get(gapUpHighs, i), color=gapUpBorderColor, extend=extend.right, width=1, style=line.style_dashed)
line.new(x1=array.get(gapUpLeft, i), y1=array.get(gapUpLows, i), x2=bar_index, y2=array.get(gapUpLows, i), color=gapUpBorderColor, extend=extend.right, width=1, style=line.style_dashed)

// [GAP DOWN] Check if any gaps are filled
if (array.size(gapDownBarsAgo) > 0)
for i = 0 to array.size(gapDownRight) - 1
for j = array.get(gapDownBarsAgo, i) to 0
if high[j] >= array.get(gapDownHighs, i)
if showFilledBoxes and hideAllFilledStuff == false
if ((abs(realC - array.get(gapDownHighs, i))/realC)<=(DistFromGap/100)) or ((abs(realC - array.get(gapDownLows, i))/realC)<=(DistFromGap/100))//if the gap is within 10 percent of open price, plot lines
if (MinGapSize == true)
if (((((low[i] - high[i+1])/low[i])*100)>=GapSize) or ((((high[i] - low[i+1])/high[i])*100)>=GapSize))
//box.new(left=array.get(gapDownLeft, i), top=array.get(gapDownHighs, i), right=bar_index[j], bottom=array.get(gapDownLows, i), border_width=1, border_style=line.style_solid, bgcolor=gapDownBackgroundColor, border_color=gapDownBorderColor, extend=extendFilled ? extend.right : extend.none)
line.new(x1=array.get(gapDownLeft, i), y1=array.get(gapDownHighs, i), x2=bar_index[j], y2=array.get(gapDownHighs, i), color=gapDownBorderColor, extend=extend.right, width=1, style=line.style_dashed)
line.new(x1=array.get(gapDownRight, i), y1=array.get(gapDownLows, i), x2=bar_index[j], y2=array.get(gapDownLows, i), color=gapDownBorderColor, extend=extend.right, width=1, style=line.style_dashed)
if (MinGapSize == false)
//box.new(left=array.get(gapDownLeft, i), top=array.get(gapDownHighs, i), right=bar_index[j], bottom=array.get(gapDownLows, i), border_width=1, border_style=line.style_solid, bgcolor=gapDownBackgroundColor, border_color=gapDownBorderColor, extend=extendFilled ? extend.right : extend.none)
line.new(x1=array.get(gapDownLeft, i), y1=array.get(gapDownHighs, i), x2=bar_index[j], y2=array.get(gapDownHighs, i), color=gapDownBorderColor, extend=extend.right, width=1, style=line.style_dashed)
line.new(x1=array.get(gapDownRight, i), y1=array.get(gapDownLows, i), x2=bar_index[j], y2=array.get(gapDownLows, i), color=gapDownBorderColor, extend=extend.right, width=1, style=line.style_dashed)
if hideAllFilledStuff == false and showLabels
label.new(bar_index[j], high[j], "Gap Filled", color=gapFilledLabelColor, style=label.style_label_down)
array.push(gapDownClosed, array.get(gapDownRight, i))
break

// [GAP DOWN] Draw unfilled gap boxes
for i = 0 to array.size(gapDownRight) - 1
if array.includes(gapDownClosed, array.get(gapDownRight, i)) == false
if ((abs(realC - array.get(gapDownHighs, i))/realC)<=(DistFromGap/100)) or ((abs(realC - array.get(gapDownLows, i))/realC)<=(DistFromGap/100))//if the gap is within 10 percent of open price, plot lines
if (MinGapSize == true)
if (((((low[i] - high[i+1])/low[i])*100)>=GapSize) or ((((high[i] - low[i+1])/high[i])*100)>=GapSize))
//box.new(left=array.get(gapDownLeft, i), top=array.get(gapDownHighs, i), right=bar_index, bottom=array.get(gapDownLows, i), border_width=1, border_style=line.style_solid, bgcolor=gapDownBackgroundColor, border_color=gapDownBorderColor, extend=extendUnFilled ? extend.right : extend.none)
line.new(x1=array.get(gapDownLeft, i), y1=array.get(gapDownHighs, i), x2=bar_index, y2=array.get(gapDownHighs, i), color=gapDownBorderColor, extend=extend.right, width=1, style=line.style_dashed)
line.new(x1=array.get(gapDownRight, i), y1=array.get(gapDownLows, i), x2=bar_index, y2=array.get(gapDownLows, i), color=gapDownBorderColor, extend=extend.right, width=1, style=line.style_dashed)
if (MinGapSize == false)
//box.new(left=array.get(gapDownLeft, i), top=array.get(gapDownHighs, i), right=bar_index, bottom=array.get(gapDownLows, i), border_width=1, border_style=line.style_solid, bgcolor=gapDownBackgroundColor, border_color=gapDownBorderColor, extend=extendUnFilled ? extend.right : extend.none)
line.new(x1=array.get(gapDownLeft, i), y1=array.get(gapDownHighs, i), x2=bar_index, y2=array.get(gapDownHighs, i), color=gapDownBorderColor, extend=extend.right, width=1, style=line.style_dashed)
line.new(x1=array.get(gapDownRight, i), y1=array.get(gapDownLows, i), x2=bar_index, y2=array.get(gapDownLows, i), color=gapDownBorderColor, extend=extend.right, width=1, style=line.style_dashed)