half trend new alert.mq5

#property version   "1.000"
#property indicator_chart_window
#property indicator_buffers 8
#property indicator_plots   3

#property indicator_label1  "Line"
#property indicator_type1   DRAW_COLOR_LINE
#property indicator_color1  clrOrangeRed,clrDeepSkyBlue
#property indicator_style1  STYLE_SOLID
#property indicator_width1  3

#property indicator_label2  "Up"
#property indicator_type2   DRAW_ARROW
#property indicator_color2  clrDeepSkyBlue
#property indicator_style2  STYLE_SOLID
#property indicator_width2  1

#property indicator_label3  "Down"
#property indicator_type3   DRAW_ARROW
#property indicator_color3  clrOrangeRed
#property indicator_style3  STYLE_SOLID
#property indicator_width3  1

input int                  InpAmplitude            = 5;           // Amplitude
input group             "Arrow"
input uchar                InpCodeUpArrow          = 233;         // Arrow code for 'UpArrow' (font Wingdings)
input uchar                InpCodeDnArrow          = 234;         // Arrow code for 'DnArrow' (font Wingdings)
input int                  InpShift                = 10;          // Vertical shift of arrows in pixel
input group             "Alerts"
input string               InpSoundName            = "alert.wav"; // Sound Name
input uchar                InpSoundRepetitions     = 3;           // Repetitions
input uchar                InpSoundPause           = 3;           // Pause, in seconds
input bool                 InpUseSound             = false;       // Use Sound
input bool                 InpUseAlert             = true;        // Use Alert
input bool                 InpUseMail              = true;        // Use Send mail
input bool                 InpUseNotification      = true;        // Use Send notification

double   LineBuffer[];
double   LineColors[];
double   UpBuffer[];
double   DownBuffer[];
double   HighestBuffer[];
double   LowestBuffer[];
double   MA_PRICE_HIGH_Buffer[];
double   MA_PRICE_LOW_Buffer[];

int      handle_iMA_PRICE_HIGH;              // variable for storing the handle of the iMA indicator
int      handle_iMA_PRICE_LOW;               // variable for storing the handle of the iMA indicator
int      bars_calculated            = 0;
int      m_start_bar                = 0;     // start bar
bool     m_init_error               = false; // error on InInit

datetime m_last_sound      = 0;        // "0" -> D'1970.01.01 00:00';
uchar    m_repetitions     = 0;        //
string   m_text            = "";       //
datetime m_prev_bars       = 0;        // "0" -> D'1970.01.01 00:00';

int OnInit()
  {
      // код доступен только после оплаты
   }

int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[])
  {
      // код доступен только после оплаты
   }
   if(m_init_error)
      return(0);

   int values_to_copy;

   int calculated_ma_high=BarsCalculated(handle_iMA_PRICE_HIGH);
   if(calculated_ma_high<=0)
     {
      PrintFormat("BarsCalculated(handle_iMA_PRICE_HIGH) returned %d, error code %d",calculated_ma_high,GetLastError());
      return(0);
     }

   int calculated_ma_low=BarsCalculated(handle_iMA_PRICE_LOW);
   if(calculated_ma_low<=0)
     {
      PrintFormat("BarsCalculated(handle_iMA_PRICE_LOW) returned %d, error code %d",calculated_ma_low,GetLastError());
      return(0);
     }
   if(calculated_ma_high!=calculated_ma_low)
     {
      PrintFormat("BarsCalculated(handle_iMA_PRICE_HIGH) returned %d, BarsCalculated(handle_iMA_PRICE_LOW) returned %d",calculated_ma_high,calculated_ma_low);
      return(0);
     }
   int calc

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