//+------------------------------------------------------------------+ //| TZ-Breaktout.mq4 | //| Shimodax | //| | //+------------------------------------------------------------------+ #property copyright "Copyright Shimodax" #property link "http://www.strategybuilderfx.com/forums/showthread.php?t=15439" /* Introduction: Draw ranges for "Simple Combined Breakout System for EUR/USD and GBP/USD" thread (see http://www.strategybuilderfx.com/forums/showthread.php?t=15439) LocalTimeZone: TimeZone for which MT4 shows your local time, e.g. 1 or 2 for Europe (GMT+1 or GMT+2 (daylight savings time). Use zero for no adjustment. The MetaQuotes demo server uses GMT +2. Enjoy :-) Markus */ #property indicator_chart_window #property indicator_buffers 5 #property indicator_color1 Gray #property indicator_color2 Gray #property indicator_color3 LightGray #property indicator_color4 LightGray #property indicator_color5 Blue extern int LocalTimeZone= 2; extern int DestTimeZone= 0; extern int PipsForEntry= 5; double Zone1Upper[]; double Zone2Upper[]; double Zone1Lower[]; double Zone2Lower[]; double SignalsBuffer[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { SetIndexStyle(0,DRAW_LINE); SetIndexBuffer(0,Zone1Upper); SetIndexEmptyValue(0, 0.0); SetIndexStyle(1,DRAW_LINE); SetIndexBuffer(1,Zone1Lower); SetIndexEmptyValue(1, 0.0); SetIndexStyle(2,DRAW_LINE); SetIndexBuffer(2,Zone2Upper); SetIndexEmptyValue(2, 0.0); SetIndexStyle(3,DRAW_LINE); SetIndexBuffer(3,Zone2Lower); SetIndexEmptyValue(3, 0.0); SetIndexStyle(4,DRAW_ARROW); SetIndexArrow(4, 156); SetIndexBuffer(4, SignalsBuffer); return(0); } int deinit() { return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { int counted_bars= IndicatorCounted(), lastbar, result; if (Bars<=100) return(0); if (counted_bars>0) counted_bars--; lastbar= Bars - counted_bars; BreakoutRanges(0, lastbar, LocalTimeZone, DestTimeZone); return(0); } //+------------------------------------------------------------------+ //| Compute index of first/last bar of yesterday and today | //+------------------------------------------------------------------+ int BreakoutRanges(int offset, int lastbar, int tzlocal, int tzdest) { int i, j, k, tzdiff= tzlocal - tzdest, tzdiffsec= tzdiff*3600, tidxstart[2]= { 0, 0}, tidxend[2]= { 0, 0 }; double thigh[2]= { 0.0, 0.0 }, tlow[2]= { 99999.9, 99999.9 }; string tfrom[3]= { "04:00", "08:00" , /*rest of day: */ "12:00"}, tto[3]= { "08:00", "12:00", /*rest of day: */ "24:00" }, tday; bool inperiod= -1; datetime timet; // // search back for the beginning of the day // tday= TimeToStr(Time[lastbar]-tzdiffsec, TIME_DATE); for ( ; lastbar=offset; i--) { timet= Time[i] - tzdiffsec; // time of this bar string timestr= TimeToStr(timet, TIME_MINUTES), // current time HH:MM thisday= TimeToStr(timet, TIME_DATE); // current date // // for all three periods (first period, second period, rest of day) // for (j= 0; j<3; j++) { if (tfrom[j]<=timestr && timestr0) { // now draw high/low back over the recently completed period for (k= tidxstart[j-1]; k>=tidxend[j-1]; k--) { if (j-1==0) { Zone1Upper[k]= thigh[j-1]; Zone1Lower[k]= tlow[j-1]; } if (j-1==1) { Zone2Upper[k]= thigh[j-1]; Zone2Lower[k]= tlow[j-1]; } } } inperiod= j; // remember current period } if (inperiod==2) // inperiod==2 (end of day) is just to check completion of zone 2 break; // for the current period find idxstart, idxend and compute high/low if (tidxstart[j]==0) { tidxstart[j]= i; tday= thisday; } tidxend[j]= i; thigh[j]= MathMax(thigh[j], High[i]); tlow[j]= MathMin(tlow[j], Low[i]); } } // // carry forward the periods for which we have definite high/lows // if (inperiod>=1 && tday==thisday) { // first time period completed Zone1Upper[i]= thigh[0] + PipsForEntry*Point; Zone1Lower[i]= tlow[0] - PipsForEntry*Point; if (inperiod>=2) { // second period completed Zone2Upper[i]= thigh[1] + PipsForEntry*Point; Zone2Lower[i]= tlow[1] - PipsForEntry*Point; } } else { // none yet to carry forward (zero to clear old values, e.g. from switching timeframe) Zone1Upper[i]= 0; Zone1Lower[i]= 0; Zone2Upper[i]= 0; Zone2Lower[i]= 0; } // // at the beginning of a new day reset everything // if (tday!="XXX" && tday!=thisday) { Print("#", i, "new day ", thisday, "/", tday); tday= "XXX"; inperiod= -1; for (j= 0; j<2; j++) { tidxstart[j]= 0; tidxend[j]= 0; thigh[j]= 0; tlow[j]= 99999; } } } return (0); }