-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=724 -- Id: --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal : https://goo.gl/9Rj74e | --| Patreon : https://goo.gl/GdXWeN | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash : 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() indicator:name("Advanced Fractal Based Support/Resistance lines") indicator:description("Predicts a reversal in the current trend.") indicator:requiredSource(core.Bar) indicator:type(core.Indicator) indicator.parameters:addGroup("Calculation") indicator.parameters:addInteger("Fractals", "Number of fractals", "", 2, 1,99); indicator.parameters:addGroup("Style") indicator.parameters:addColor("R_color", "Up fractal color", "Up fractal color", core.rgb(0, 255, 0)) indicator.parameters:addColor("S_color", "Down fractal color", "Down fractal color", core.rgb(255, 0, 0)) indicator.parameters:addInteger("widthLinReg", "Line width", "Line width", 2, 1, 5) end local source local S, R local Fractals = 0 local Rez = 0 local Size local bid; local ask; function Prepare(nameOnly) source = instance.source Size = instance.parameters.Size Fractals = instance.parameters.Fractals first = source:first() +Fractals local name = profile:id() .. " ( " .. Fractals .. " )" instance:name(name) if nameOnly then return; end bid = core.host:execute("getSyncHistory", source:instrument(), source:barSize(), true, 0, 201, 101); ask = core.host:execute("getSyncHistory", source:instrument(), source:barSize(), false, 0, 200, 100); R = instance:addStream("R", core.Dot, name .. ".R", "R", instance.parameters.R_color, first) S = instance:addStream("S", core.Dot, name .. ".S", "S", instance.parameters.S_color, first) R:setWidth(instance.parameters.widthLinReg) S:setWidth(instance.parameters.widthLinReg) end local source_1_loaded = false; local source_2_loaded = false; function Update(period, mode) if period <= first or not source_1_loaded or not source_2_loaded then return end local x = period - Fractals; if not ask.high:hasData(x) or not bid.high:hasData(x) then return; end local test=true; for i= 1, Fractals, 1 do if ask.high[x] < ask.high[x+i] or ask.high[x] < ask.high[x-i] then test=false; end end if test then R[period] = ask.high[x] else R[period] = R[period - 1] end test = true for i= 1, Fractals, 1 do if bid.low[x] > bid.low[x+i] or bid.low[x] > bid.low[x-i] then test=false; end end if test then S[period] = bid.low[x] else S[period] = S[period - 1] end end function UpdateIfNeeded() if source_1_loaded and source_2_loaded then instance:updateFrom(0); end end function AsyncOperationFinished(cookie) if cookie == 100 then source_1_loaded = false; elseif cookie == 101 then source_2_loaded = false; elseif cookie == 200 then source_1_loaded = true; UpdateIfNeeded(); elseif cookie == 201 then source_2_loaded = true; UpdateIfNeeded(); end end