//+------------------------------------------------------------------+
//|RK-ml-RSI_EMA_mtf v1.2 jan 22, 2011 original-RSI_EMA_MTF.mq4 |
//| Kalenzo |
//| bartlomiej.gorski@gmail.com |
//+------------------------------------------------------------------+
#property copyright "Kalenzo"
#property link "bartlomiej.gorski@gmail.com"
#property indicator_separate_window
#property indicator_buffers 3
#property indicator_color1 Blue
#property indicator_color2 Orange
#property indicator_width1 2
extern string TimeFrame = "H4";
extern int RsiPeriod = 5;
extern int MaType = MODE_EMA;
extern int MaPeriod = 3;
extern bool Interpolate = true;
extern string arrowsIdentifier = "RsiEmaArrows";
extern color arrowsUpColor = Lime;
extern color arrowsDnColor = Red;
extern bool alertsOn = true;
extern bool alertsOnCurrent = false;
extern bool alertsMessage = true;
extern bool alertsSound = true;
extern bool alertsEmail = false;
double rsi[],ema[],trend[];
string indicatorFileName;
bool calculating = false;
bool returningBars = false;
int timeFrame;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
IndicatorBuffers(3);
SetIndexBuffer(0,rsi); SetIndexLabel(0,"rsi");
SetIndexBuffer(1,ema); SetIndexLabel(1,"ema");
SetIndexBuffer(2,trend); SetIndexLabel(2,"trend");
if (TimeFrame=="calculate")
{
calculating=true;
return(0);
}
if (TimeFrame=="returnBars")
{
returningBars=true;
return(0);
}
timeFrame = stringToTimeFrame(TimeFrame);
indicatorFileName = WindowExpertName();
IndicatorShortName("RK-ml-RSI_EMA_mtf v1.2 "+tf());
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
// deleteArrows();
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int counted_bars=IndicatorCounted();
int i,limit;
if(counted_bars < 0) return(-1);
if(counted_bars>0) counted_bars--;
limit = MathMin(Bars-counted_bars,Bars-1);
if (returningBars) { rsi[0] = limit+1; return(0); }
if (timeFrame > Period()) limit = MathMax(limit,MathMin(Bars-1,iCustom(NULL,timeFrame,indicatorFileName,"returnBars",0,0)*timeFrame/Period()));
//
//
//
//
//
if (calculating)
{
for(i=0; i<limit; i++) rsi = iRSI(NULL,0,RsiPeriod,PRICE_CLOSE,i);
for(i=0; i<limit; i++) ema = iMAOnArray(rsi,0,MaPeriod,0,MaType,i);
return(0);
}
for(i=limit; i>0; i--)
{
int y = iBarShift(NULL,timeFrame,Time);
rsi = iCustom(NULL,timeFrame,indicatorFileName,"calculate",RsiPeriod,MaType,MaPeriod,0,y);
ema = iCustom(NULL,timeFrame,indicatorFileName,"calculate",RsiPeriod,MaType,MaPeriod,1,y);
//
//
// must be done before interpolation
//
//
trend = trend[i+1];
if (rsi>ema) trend= 1;
if (rsi<ema) trend=-1;
//deleteArrow(Time);
if (trend!=trend[i+1])
{
if (trend == 1) drawArrow(i,arrowsUpColor,233,false);
if (trend ==-1) drawArrow(i,arrowsDnColor,234,true);
}
//
//
//
//
//
if (timeFrame <= Period() || y==iBarShift(NULL,timeFrame,Time[i-1])) continue;
if (!Interpolate) continue;
//
//
//
//
//
datetime time = iTime(NULL,timeFrame,y);
for(int n = 1; i+n < Bars && Time[i+n] >= time; n++) continue;
double factor = 1.0 / n;
for(int k = 1; k < n; k++)
{
rsi[i+k] = k*factor*rsi[i+n] + (1.0-k*factor)*rsi;
ema[i+k] = k*factor*ema[i+n] + (1.0-k*factor)*ema;
}
}
//
//
//
//
//
if (alertsOn)
{
if (alertsOnCurrent)
int whichBar = 0;
else whichBar = 1;
if (trend[whichBar] != trend[whichBar+1])
{
if (trend[whichBar] == 1) doAlert("up");
if (trend[whichBar] ==-1) doAlert("down");
}
}
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
void drawArrow(int i,color theColor,int theCode,bool up)
{
string name = arrowsIdentifier+":"+Time;
double gap = 3.0*iATR(NULL,0,20,i)/4.0;
//
//
//
//
//
ObjectCreate(name,OBJ_ARROW,0,Time,0);
ObjectSet(name,OBJPROP_ARROWCODE,theCode);
ObjectSet(name,OBJPROP_COLOR,theColor);
if (up)
ObjectSet(name,OBJPROP_PRICE1,High+gap);
else ObjectSet(name,OBJPROP_PRICE1,Low -gap);
}
//
//
//
//
//
/*
void deleteArrows()
{
string lookFor = arrowsIdentifier+":";
int lookForLength = StringLen(lookFor);
for (int i=ObjectsTotal()-1; i>=0; i--)
{
string objectName = ObjectName(i);
if (StringSubstr(objectName,0,lookForLength) == lookFor) ObjectDelete(objectName);
}
}
void deleteArrow(datetime time)
{
string lookFor = arrowsIdentifier+":"+time; ObjectDelete(lookFor);
}
*/
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
void doAlert(string doWhat)
{
static string previousAlert="nothing";
static datetime previousTime;
string message;
if (previousAlert != doWhat || previousTime != Time[0]) {
previousAlert = doWhat;
previousTime = Time[0];
//
//
//
//
//
message = StringConcatenate(Symbol()," at ",TimeToStr(TimeLocal(),TIME_SECONDS)," RSI crossed EMA ",doWhat);
if (alertsMessage) Alert(message);
if (alertsEmail) SendMail(StringConcatenate(Symbol(),"RsiEma"),message);
if (alertsSound) PlaySound("alert2.wav");
}
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
int stringToTimeFrame(string tfs)
{
for(int l = StringLen(tfs)-1; l >= 0; l--)
{
int tchar = StringGetChar(tfs,l);
if((tchar > 96 && tchar < 123) || (tchar > 223 && tchar < 256))
tfs = StringSetChar(tfs, l, tchar - 32);
else
if(tchar > -33 && tchar < 0)
tfs = StringSetChar(tfs, l, tchar + 224);
}
int tf=0;
if (tfs=="M1" || tfs=="1") tf=PERIOD_M1;
if (tfs=="M5" || tfs=="5") tf=PERIOD_M5;
if (tfs=="M15"|| tfs=="15") tf=PERIOD_M15;
if (tfs=="M30"|| tfs=="30") tf=PERIOD_M30;
if (tfs=="H1" || tfs=="60") tf=PERIOD_H1;
if (tfs=="H4" || tfs=="240") tf=PERIOD_H4;
if (tfs=="D1" || tfs=="1440") tf=PERIOD_D1;
if (tfs=="W1" || tfs=="10080") tf=PERIOD_W1;
if (tfs=="MN" || tfs=="43200") tf=PERIOD_MN1;
if (tf==0 || tf<Period()) tf=Period();
return(tf);
}
string tf()
{
switch(timeFrame)
{
case PERIOD_M1: return("M(1)");
case PERIOD_M5: return("M(5)");
case PERIOD_M15: return("M(15)");
case PERIOD_M30: return("M(30)");
case PERIOD_H1: return("H(1)");
case PERIOD_H4: return("H(4)");
case PERIOD_D1: return("D(1)");
case PERIOD_W1: return("W(1)");
case PERIOD_MN1: return("MN(1)");
default: return("Unknown timeframe");
}
} |
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