fibo retracement 1.01最新版

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#property indicator_chart_window
#property indicator_buffers 1
extern int ExtDepth = 30;
extern int ExtDeviation = 5;
extern int ExtBackstep = 3;
extern string FiboLevels = “0;23.6;38.2;50;61.8;100”;
extern color Fibo1Color = clrDodgerBlue;
extern int Fibo1Width = 1;
extern int Fibo1Style = STYLE_DOT;
extern int Fibo1LevelsStyle = STYLE_SOLID;
extern bool ShowSecondFibo = true;
extern color Fibo2Color = clrDarkSlateGray;
extern int Fibo2Width = 1;
extern int Fibo2Style = STYLE_DOT;
extern int Fibo2LevelsStyle = STYLE_SOLID;
extern bool ShowThirdFibo = true;
extern color Fibo3Color = clrGoldenrod;
extern int Fibo3Width = 1;
extern int Fibo3Style = STYLE_DOT;
extern int Fibo3LevelsStyle = STYLE_SOLID;

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extern string _ = “alerts behaviour”;
extern bool alertsOn = false;
extern double alertsTolerance = 1.0;
extern bool touchChanell = false;
extern bool alertsOnCurrent = false;
extern bool alertsMessage = true;
extern bool alertsSound = false;
extern bool alertsNotify = false;
extern bool alertsEmail = false;
extern bool alertsShowTouched = true;
extern string soundFile = “alert2.wav”;
extern int barsToShowCandles = 1000;
extern color BarUpColor = Green;
extern color BarDownColor = Red;
extern color WickColor = Gray;
extern int CandleWidth = 3;

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double ExtMapBuffer[];
double ExtLowBuffer[];
double ExtHighBuffer[];

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int totalCandles;
string windowID;
double levelv[];
string levels[];
double values[];

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int init()
{

FiboLevels = StringTrimLeft(StringTrimRight(FiboLevels));
if (StringSubstr(FiboLevels,StringLen(FiboLevels),1) != “;”)
FiboLevels = StringConcatenate(FiboLevels,”;”);

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int s = 0;
int i = StringFind(FiboLevels,”;”,s);
string current;
while (i > 0)
{
current = StringSubstr(FiboLevels,s,i-s);
ArrayResize(levels,ArraySize(levels)+1); levels[ArraySize(levels)-1] = current+” price %$ “;
ArrayResize(levelv,ArraySize(levelv)+1); levelv[ArraySize(levelv)-1] = StrToDouble(current);
s = i + 1;
i = StringFind(FiboLevels,”;”,s);
}
ArrayResize(values,ArraySize(levelv));
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IndicatorBuffers(4);
SetIndexBuffer(1,ExtMapBuffer);
SetIndexBuffer(2,ExtLowBuffer);
SetIndexBuffer(3,ExtHighBuffer);
SetIndexEmptyValue(1,0.0);
SetIndexEmptyValue(2,0.0);
SetIndexEmptyValue(3,0.0);
IndicatorShortName(“fibo retracement(“+ExtDepth+”,”+ExtDeviation+”,”+ExtBackstep+”)”);
return(0);
}
int deinit()
{
ObjectDelete(“Fibo1”);
ObjectDelete(“Fibo2”);
ObjectDelete(“Fibo3”);
deleteCandles();
return(0);
}

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int start()
{
CalculateZigZag();

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string fibo;
int i;
int LastZigZag;
int PreviousZigZag;
int PPreviousZigZag;
int PPPreviousZigZag;
for (int z=0;z<Bars;z++) { if (ExtMapBuffer[z]!=0) break; } LastZigZag=z;
for ( z++;z<Bars;z++) { if (ExtMapBuffer[z]!=0) break; } PreviousZigZag=z;
for ( z++;z<Bars;z++) { if (ExtMapBuffer[z]!=0) break; } PPreviousZigZag=z;
for ( z++;z<Bars;z++) { if (ExtMapBuffer[z]!=0) break; } PPPreviousZigZag=z;

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fibo = “Fibo3”;
if( ObjectFind(fibo)==-1 )
{
ObjectCreate(fibo, OBJ_FIBO, 0,Time[PreviousZigZag], ExtMapBuffer[LastZigZag], Time[LastZigZag], ExtMapBuffer[PreviousZigZag]);
ObjectSet(fibo,OBJPROP_COLOR,Fibo1Color);
ObjectSet(fibo,OBJPROP_STYLE,Fibo1Style);
ObjectSet(fibo,OBJPROP_WIDTH,Fibo1Width);
ObjectSet(fibo,OBJPROP_LEVELCOLOR,Fibo1Color);
ObjectSet(fibo,OBJPROP_LEVELSTYLE,Fibo1LevelsStyle);
ObjectSet(fibo,OBJPROP_FIBOLEVELS,ArraySize(levelv));
for (i=ArraySize(levelv)-1;i>=0;i–)
{
ObjectSet(fibo,OBJPROP_FIRSTLEVEL+i,levelv[i]/100);
ObjectSetFiboDescription(fibo,i,levels[i]);
}
}
ObjectSet(fibo,OBJPROP_TIME1,Time[PreviousZigZag]);
ObjectSet(fibo,OBJPROP_TIME2,Time[LastZigZag]);
ObjectSet(fibo,OBJPROP_PRICE1,ExtMapBuffer[LastZigZag]);
ObjectSet(fibo,OBJPROP_PRICE2,ExtMapBuffer[PreviousZigZag]);

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if (ShowSecondFibo)
{
fibo = “Fibo2”;
if( ObjectFind(fibo)==-1 )
{
ObjectCreate(fibo, OBJ_FIBO, 0,Time[PPreviousZigZag], ExtMapBuffer[PreviousZigZag], Time[PreviousZigZag], ExtMapBuffer[PPreviousZigZag]);
ObjectSet(fibo,OBJPROP_COLOR,Fibo2Color);
ObjectSet(fibo,OBJPROP_STYLE,Fibo2Style);
ObjectSet(fibo,OBJPROP_WIDTH,Fibo2Width);
ObjectSet(fibo,OBJPROP_LEVELCOLOR,Fibo2Color);
ObjectSet(fibo,OBJPROP_FIBOLEVELS,ArraySize(levelv));
for (i=ArraySize(levelv)-1;i>=0;i–)
{
ObjectSet(fibo,OBJPROP_FIRSTLEVEL+i,levelv[i]/100);
ObjectSetFiboDescription(fibo,i,levels[i]);
}
}
ObjectSet(fibo,OBJPROP_TIME1,Time[PPreviousZigZag]);
ObjectSet(fibo,OBJPROP_TIME2,Time[PreviousZigZag]);
ObjectSet(fibo,OBJPROP_PRICE1,ExtMapBuffer[PreviousZigZag]);
ObjectSet(fibo,OBJPROP_PRICE2,ExtMapBuffer[PPreviousZigZag]);
}

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if (ShowThirdFibo)
{
fibo = “Fibo1”;
if( ObjectFind(fibo)==-1 )
{
ObjectCreate(fibo, OBJ_FIBO, 0,Time[PPPreviousZigZag], ExtMapBuffer[PPreviousZigZag], Time[PPreviousZigZag], ExtMapBuffer[PPPreviousZigZag]);
ObjectSet(fibo,OBJPROP_COLOR,Fibo3Color);
ObjectSet(fibo,OBJPROP_STYLE,Fibo3Style);
ObjectSet(fibo,OBJPROP_WIDTH,Fibo3Width);
ObjectSet(fibo,OBJPROP_LEVELCOLOR,Fibo3Color);
ObjectSet(fibo,OBJPROP_FIBOLEVELS,ArraySize(levelv));
for (i=ArraySize(levelv)-1;i>=0;i–)
{
ObjectSet(fibo,OBJPROP_FIRSTLEVEL+i,levelv[i]/100);
ObjectSetFiboDescription(fibo,i,levels[i]);
}
}
ObjectSet(fibo,OBJPROP_TIME1,Time[PPPreviousZigZag]);
ObjectSet(fibo,OBJPROP_TIME2,Time[PPreviousZigZag]);
ObjectSet(fibo,OBJPROP_PRICE1,ExtMapBuffer[PPreviousZigZag]);
ObjectSet(fibo,OBJPROP_PRICE2,ExtMapBuffer[PPPreviousZigZag]);
}

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if (alertsShowTouched) ShowCandles();
if (alertsOn) CheckTouches();
return(0);
}

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void CalculateZigZag()
{
int shift, back,lasthighpos,lastlowpos,index;
double val,res;
double curlow,curhigh,lasthigh,lastlow;
//—-
for(shift=Bars-ExtDepth; shift>=0; shift–)
{
index=iLowest(NULL,0,MODE_LOW,ExtDepth,shift);
val=Low[index];
if(val==lastlow) val=0.0;
else
{
lastlow=val;
if((Low[shift]-val)>(ExtDeviation*Point)) val=0.0;
else
{
for(back=1; back<=ExtBackstep; back++)
{
res=ExtLowBuffer[shift+back];
if((res!=0)&&(res>val)) ExtLowBuffer[shift+back]=0.0;
}
}
}
ExtLowBuffer[shift]=0.0;
if(val!=0.0) ExtLowBuffer[index]=val;
//— high
index=iHighest(NULL,0,MODE_HIGH,ExtDepth,shift);
val=High[index];
if(val==lasthigh) val=0.0;
else
{
lasthigh=val;
if((val-High[shift])>(ExtDeviation*Point)) val=0.0;
else
{
for(back=1; back<=ExtBackstep; back++)
{
res=ExtHighBuffer[shift+back];
if((res!=0)&&(res<val)) ExtHighBuffer[shift+back]=0.0;
}
}
}
ExtHighBuffer[shift]=0.0;
if(val!=0.0) ExtHighBuffer[index]=val;
}
//—- final cutting
lasthigh=-1; lasthighpos=-1;
lastlow=-1; lastlowpos=-1;

for(shift=Bars-ExtDepth; shift>=0; shift–)
{
curlow=ExtLowBuffer[shift];
curhigh=ExtHighBuffer[shift];
if(curlow==0 && curhigh==0) continue;
//—
if(curhigh!=0)
{
if(lasthigh>0)
{
if(lasthigh<curhigh) ExtHighBuffer[lasthighpos]=0;
else ExtHighBuffer[shift]=0;
}
//—
if(lasthigh<curhigh || lasthigh<0)
{
lasthigh=curhigh;
lasthighpos=shift;
}
lastlow=-1;
}
//—-
if(curlow!=0)
{
if(lastlow>0)
{
if(lastlow>curlow) ExtLowBuffer[lastlowpos]=0;
else ExtLowBuffer[shift]=0;
}
//—
if((curlow<lastlow)||(lastlow<0))
{
lastlow=curlow;
lastlowpos=shift;
}
lasthigh=-1;
}
}
//—- merge 2 buffers
lasthighpos=-1;
lastlowpos=-1;
for(shift=Bars-1; shift>=0; shift–)
{
if(shift>=Bars-ExtDepth) ExtMapBuffer[shift]=0.0;
else
{
curlow=ExtLowBuffer[shift];
curhigh=ExtHighBuffer[shift];
//—-
res=0;
if(curlow!=0)
{
if(lastlowpos==-1)
{
res=curlow;
lastlowpos=shift;
}
else
{
if(lasthighpos!=-1 && lastlowpos>lasthighpos)
{
res=curlow;
lastlowpos=shift;
}
}
}
if(curhigh!=0)
{
if(lasthighpos==-1)
{
res=curhigh;
lasthighpos=shift;
}
else
{
if(lastlowpos!=-1 && lasthighpos>lastlowpos)
{
res=curhigh;
lasthighpos=shift;
}
}
}
//—-
ExtMapBuffer[shift]=res;
}
}
}

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void fillValues(string forFibo)
{
int fibLines = ObjectGet(forFibo,OBJPROP_FIBOLEVELS);
int i;

double price1 = ObjectGet(forFibo,OBJPROP_PRICE1);
double price2 = ObjectGet(forFibo,OBJPROP_PRICE2);
for (i=0;i<fibLines;i++)
{
if (price1 > price2) values[i] = NormalizeDouble(price2 + (levelv[i]/100*(price1-price2)),Digits);
if (price1 < price2) values[i] = NormalizeDouble(price1 + (levelv[i]/100*(price2-price1)),Digits);
}
}

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void CheckTouches()
{
if (ShowSecondFibo)
{
fillValues(“Fibo2”);
for (int i = 0;i<ArraySize(levelv);i++) CheckIfTouched(i,values[i]);
}
if (ShowThirdFibo)
{
fillValues(“Fibo1”);
for (i = 0;i<ArraySize(levelv);i++) CheckIfTouched(i,values[i]);
}
fillValues(“Fibo3”);
for (i = 0;i<ArraySize(levelv);i++) CheckIfTouched(i,values[i]);
}

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int CheckIfTouched(int index, double compareTo,bool checking=false,int forBar=0)
{
int answer = 0;
double diff = NormalizeDouble(alertsTolerance*Point,Digits);
double correction;
double highDiff;
double lowDiff;

if (touchChanell)
{
correction = NormalizeDouble(alertsTolerance*Point, Digits);
diff = NormalizeDouble(alertsTolerance*Point*2,Digits);
}
else correction = 0.00;
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int add;
if (alertsOnCurrent) add = 0;
else add = 1;
double value = NormalizeDouble(compareTo,Digits);
highDiff = NormalizeDouble((value+correction)-High[add+forBar],Digits);
lowDiff = NormalizeDouble(Low[add+forBar]-(value-correction),Digits);

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if (checking)
{
if ((highDiff >= 0) && (highDiff <= diff)) answer = -1;
if ((lowDiff >= 0) && (lowDiff <= diff)) answer = 1;
}
else
{
if ((highDiff >= 0) && (highDiff <= diff)) doAlert(“fibo level “+DoubleToStr(levelv[index],1)+” line touched from down”);
if ((lowDiff >= 0) && (lowDiff <= diff)) doAlert(“fibo level “+DoubleToStr(levelv[index],1)+” line touched from up”);
}
return(answer);
}

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void doAlert(string doWhat)
{
static string previousAlert=”nothing”;
static datetime previousTime;
string message;

if (previousAlert != doWhat || previousTime != Time[0]) {
previousAlert = doWhat;
previousTime = Time[0];

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message = StringConcatenate(Symbol(),” – “,TimeFrameToString(Period()),” chart, at “,TimeToStr(TimeLocal(),TIME_SECONDS),” “,doWhat);
if (alertsMessage) Alert(message);
if (alertsNotify) SendNotification(StringConcatenate(Symbol(), Period() ,” pivot line touch ” +” “+message));
if (alertsEmail) SendMail(StringConcatenate(Symbol(),” pivot line touch”),message);
if (alertsSound) PlaySound(soundFile);
}
}

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void deleteCandles()
{
while(totalCandles>0) { ObjectDelete(StringConcatenate(windowID,”c-“,totalCandles)); totalCandles -= 1; }
}

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void ShowCandles()
{
datetime time1;
datetime time2;

deleteCandles();

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if (ShowSecondFibo)
{
fillValues(“Fibo2”);
time1 = MathMin(ObjectGet(“Fibo2”,OBJPROP_TIME1),ObjectGet(“Fibo2”,OBJPROP_TIME2));
time2 = MathMax(ObjectGet(“Fibo2”,OBJPROP_TIME1),ObjectGet(“Fibo2”,OBJPROP_TIME2));
for (int i = 0;i<barsToShowCandles;i++)
{
if ((Time[i] >= time1) && (Time[i] <= time2))
{
for (int k = 0;k<ArraySize(levelv);k++) if (CheckSingle(k,values[k],i)) continue;
}
}
}
if (ShowThirdFibo)
{
fillValues(“Fibo1”);
time1 = MathMin(ObjectGet(“Fibo1”,OBJPROP_TIME1),ObjectGet(“Fibo1”,OBJPROP_TIME2));
time2 = MathMax(ObjectGet(“Fibo1”,OBJPROP_TIME1),ObjectGet(“Fibo1”,OBJPROP_TIME2));
for (i = 0;i<barsToShowCandles;i++)
{
if ((Time[i] >= time1) && (Time[i] <= time2))
{
for (k = 0;k<ArraySize(levelv);k++) if (CheckSingle(k,values[k],i)) continue;
}
}
}

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fillValues(“Fibo3”);
time1 = MathMin(ObjectGet(“Fibo3”,OBJPROP_TIME1),ObjectGet(“Fibo3”,OBJPROP_TIME2));
time2 = MathMax(ObjectGet(“Fibo3”,OBJPROP_TIME1),ObjectGet(“Fibo3”,OBJPROP_TIME2));

//
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for (i = 0;i<barsToShowCandles;i++)
{
if ((Time[i] >= time1) && (Time[i] <= time2))
{
for (k = 0;k<ArraySize(levelv);k++) if (CheckSingle(k,values[k],i)) continue;
}
}
}

//
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bool CheckSingle(int index,double array,int shift)
{
int result = CheckIfTouched(index,array,true,shift);
if (result != 0)
{
if (alertsOnCurrent) DrawCandle(shift ,result);
else DrawCandle(shift+1,result);
return(true);
}
else
{
return(false);
}
}

//
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void DrawCandle(int shift,int upDown)
{
datetime time = Time[shift];
double high = iHigh (NULL,0,shift);
double low = iLow (NULL,0,shift);
double open = iOpen (NULL,0,shift);
double close = iClose(NULL,0,shift);
string name;

totalCandles += 1;
name = windowID+”c-“+totalCandles;
ObjectCreate(name,OBJ_TREND,0,time,high,time,low);
ObjectSet(name,OBJPROP_COLOR,WickColor);
ObjectSet(name,OBJPROP_RAY ,false);

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totalCandles += 1;
name = windowID+”c-“+totalCandles;
ObjectCreate(name,OBJ_TREND,0,time,open,time,close);
ObjectSet(name,OBJPROP_WIDTH,CandleWidth);
ObjectSet(name,OBJPROP_RAY ,false);
if (upDown>0)
ObjectSet(name,OBJPROP_COLOR,BarUpColor);
else ObjectSet(name,OBJPROP_COLOR,BarDownColor);
}

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string TimeFrameToString(int tf)
{
string tfs=”Current time frame”;
switch(tf) {
case PERIOD_M1: tfs=”M1″ ; break;
case PERIOD_M5: tfs=”M5″ ; break;
case PERIOD_M15: tfs=”M15″ ; break;
case PERIOD_M30: tfs=”M30″ ; break;
case PERIOD_H1: tfs=”H1″ ; break;
case PERIOD_H4: tfs=”H4″ ; break;
case PERIOD_D1: tfs=”D1″ ; break;
case PERIOD_W1: tfs=”W1″ ; break;
case PERIOD_MN1: tfs=”MN1″;
}
return(tfs);
}