generated from LengKundee/UA6-9V_VL6-N9
189 lines
16 KiB
MQL5
189 lines
16 KiB
MQL5
//------------------------------------------------------------------
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#property copyright "© mladen, 2018"
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#property link "mladenfx@gmail.com"
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//------------------------------------------------------------------
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//+------------------------------------------------------------------+
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//| RSI adaptive EMA Alert.mq5 |
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//| Copyright © 2022, Vladimir Karputov |
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//| https://www.mql5.com/en/users/barabashkakvn |
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//+------------------------------------------------------------------+
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#property copyright "Copyright © 2022, Vladimir Karputov"
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#property link "https://www.mql5.com/en/users/barabashkakvn"
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#property indicator_chart_window
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#property indicator_buffers 2
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#property indicator_plots 1
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#property indicator_label1 "RSI adaptive EMA"
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#property indicator_type1 DRAW_COLOR_LINE
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#property indicator_color1 clrDarkGray,clrRed,clrBlue
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#property indicator_width1 2
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//--- input parameters
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input double inpPeriod = 32; // RSI period
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input ENUM_APPLIED_PRICE inpPrice = PRICE_CLOSE; // Price
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input group "Alerts"
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input string InpSoundName = "alert.wav"; // Sound Name
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input uchar InpSoundRepetitions = 3; // Repetitions
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input uchar InpSoundPause = 3; // Pause, in seconds
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input bool InpUseSound = false; // Use Sound
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input bool InpUseAlert = true; // Use Alert
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input bool InpUseMail = true; // Use Send mail
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input bool InpUseNotification = true; // Use Send notification
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//--- indicator buffers
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double val[],valc[];
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//--- alert
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datetime m_last_sound = 0; // "0" -> D'1970.01.01 00:00';
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uchar m_repetitions = 0; //
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string m_text = ""; //
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datetime m_prev_bars = 0; // "0" -> D'1970.01.01 00:00';
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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//--- indicator buffers mapping
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SetIndexBuffer(0,val,INDICATOR_DATA);
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SetIndexBuffer(1,valc,INDICATOR_COLOR_INDEX);
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//--- indicator short name assignment
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IndicatorSetString(INDICATOR_SHORTNAME,"RSI adaptive EMA Alert ("+(string)inpPeriod+")");
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//---
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return (INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| Custom indicator de-initialization function |
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//+------------------------------------------------------------------+
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void OnDeinit(const int reason)
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{
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}
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//+------------------------------------------------------------------+
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//| Custom indicator iteration function |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,const int prev_calculated,const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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if(Bars(_Symbol,_Period)<rates_total)
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return(prev_calculated);
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for(int i=(int)MathMax(prev_calculated-1,0); i<rates_total && !IsStopped(); i++)
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{
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double _price = getPrice(inpPrice,open,close,high,low,i,rates_total);
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double _alpha = MathAbs(iRsi(_price,inpPeriod,i,rates_total)/100.0 - 0.5) * 2.0;
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val[i] = (i>0) ? val[i-1]+_alpha*(_price-val[i-1]) : _price;
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valc[i] = (i>0) ?(val[i]>val[i-1]) ? 2 :(val[i]<val[i-1]) ? 1 : valc[i-1]: 0;
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}
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//--- alert
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if(time[rates_total-1]>m_prev_bars)
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{
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m_last_sound=0;
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m_prev_bars=time[rates_total-1];
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m_repetitions=0;
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}
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if(m_repetitions>=InpSoundRepetitions)
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return(rates_total);
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datetime time_current=TimeCurrent();
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if(time_current-m_last_sound>InpSoundPause)
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{
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int i=rates_total-1;
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if(valc[i-1]!=1.0 && valc[i]==1.0)
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{
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if(InpUseSound)
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PlaySound(InpSoundName);
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m_text=Symbol()+","+StringSubstr(EnumToString(Period()),7,-1)+" RSI adaptive EMA, Trend UP, "+TimeToString(time[i]);
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if(InpUseAlert)
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Alert(m_text);
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m_last_sound=time_current;
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m_repetitions++;
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//---
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if(InpUseMail)
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SendMail(Symbol()+","+StringSubstr(EnumToString(Period()),7,-1),m_text);
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if(InpUseNotification)
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SendNotification(Symbol()+","+StringSubstr(EnumToString(Period()),7,-1)+" "+m_text);
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}
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else
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{
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if(valc[i-1]!=2.0 && valc[i]==2.0)
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{
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if(InpUseSound)
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PlaySound(InpSoundName);
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m_text=Symbol()+","+StringSubstr(EnumToString(Period()),7,-1)+" Three MAs, Trend DOWN, "+TimeToString(time[i]);
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if(InpUseAlert)
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Alert(m_text);
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m_last_sound=time_current;
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m_repetitions++;
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//---
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if(InpUseMail)
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SendMail(Symbol()+","+StringSubstr(EnumToString(Period()),7,-1),m_text);
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if(InpUseNotification)
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SendNotification(Symbol()+","+StringSubstr(EnumToString(Period()),7,-1)+" "+m_text);
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}
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}
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}
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//---
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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//| Custom functions |
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//+------------------------------------------------------------------+
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#define _rsiInstances 1
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#define _rsiInstancesSize 3
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double workRsi[][_rsiInstances*_rsiInstancesSize];
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#define _price 0
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#define _change 1
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#define _changa 2
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//+------------------------------------------------------------------+
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//| iRsi |
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//+------------------------------------------------------------------+
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double iRsi(double price,double period,int r,int bars,int instanceNo=0)
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{
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if(ArrayRange(workRsi,0)!=bars)
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ArrayResize(workRsi,bars);
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int z=instanceNo*_rsiInstancesSize;
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//---
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workRsi[r][z+_price]=price;
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double alpha=1.0/MathMax(period,1);
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if(r<period)
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{
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int k;
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double sum=0;
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for(k=0; k<period && (r-k-1)>=0; k++)
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sum+=MathAbs(workRsi[r-k][z+_price]-workRsi[r-k-1][z+_price]);
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workRsi[r][z+_change] = (workRsi[r][z+_price]-workRsi[0][z+_price])/MathMax(k,1);
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workRsi[r][z+_changa] = sum/MathMax(k,1);
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}
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else
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{
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double change=workRsi[r][z+_price]-workRsi[r-1][z+_price];
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workRsi[r][z+_change] = workRsi[r-1][z+_change] + alpha*(change - workRsi[r-1][z+_change]);
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workRsi[r][z+_changa] = workRsi[r-1][z+_changa] + alpha*(MathAbs(change) - workRsi[r-1][z+_changa]);
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}
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return(50.0*(workRsi[r][z+_change]/MathMax(workRsi[r][z+_changa],DBL_MIN)+1));
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}
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//+------------------------------------------------------------------+
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//| Get Price |
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//+------------------------------------------------------------------+
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double getPrice(ENUM_APPLIED_PRICE tprice,const double &open[],const double &close[],const double &high[],const double &low[],int i,int _bars)
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{
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if(i>=0)
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switch(tprice)
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{
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case PRICE_CLOSE:
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return(close[i]);
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case PRICE_OPEN:
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return(open[i]);
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case PRICE_HIGH:
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return(high[i]);
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case PRICE_LOW:
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return(low[i]);
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case PRICE_MEDIAN:
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return((high[i]+low[i])/2.0);
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case PRICE_TYPICAL:
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return((high[i]+low[i]+close[i])/3.0);
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case PRICE_WEIGHTED:
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return((high[i]+low[i]+close[i]+close[i])/4.0);
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}
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return(0);
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}
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//+------------------------------------------------------------------+
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