//+------------------------------------------------------------------+
//|                                                      TSI-Osc.mq4 |
//|                      Copyright © 2005, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"

#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
#property indicator_maximum 100
#property indicator_minimum -100
#property indicator_level1 0
#property indicator_level2 50
#property indicator_level3 -50
//---- input parameters
// M5 and M15 , 8,8,8
// M30 7,7,7
// H1 and H4 6,6,6
extern int First_R = 7;
extern int Second_S = 7;
extern int SignalPeriod = 7;
//---- buffers
double TSI_Buffer[];
double SignalBuffer[];
double MTM_Buffer[];
double EMA_MTM_Buffer[];
double EMA2_MTM_Buffer[];
double ABSMTM_Buffer[];
double EMA_ABSMTM_Buffer[];
double EMA2_ABSMTM_Buffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   IndicatorBuffers(8);
   SetIndexBuffer(2, MTM_Buffer);
   SetIndexBuffer(3, EMA_MTM_Buffer);
   SetIndexBuffer(4, EMA2_MTM_Buffer);
   SetIndexBuffer(5, ABSMTM_Buffer);
   SetIndexBuffer(6, EMA_ABSMTM_Buffer);
   SetIndexBuffer(7, EMA2_ABSMTM_Buffer);

   SetIndexStyle(0, DRAW_LINE);
   SetIndexBuffer(0, TSI_Buffer);
   SetIndexLabel(0, "TSI");
   SetIndexStyle(1, DRAW_LINE);
   SetIndexBuffer(1, SignalBuffer);
   SetIndexLabel(1, "Signal");
//----
   IndicatorShortName("TSIOsc" + "(" + First_R + "," + Second_S + "," + SignalPeriod + ")");
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int counted_bars = IndicatorCounted();
   int limit, i;
   limit = Bars - counted_bars - 1; 
   for(i = Bars - 1; i >= 0; i--) 
     {
       MTM_Buffer[i] = (Close[i] - Close[i+1]);
       //MTM_Buffer[i]=((High[i]+Low[i])/2)-((High[i+1]+Low[i+1])/2);
       //MTM_Buffer[i]=(((Close[i]-Close[i+1])/Close[i+1])+Point);
       //MTM_Buffer[i]=iMomentum(NULL,0,1,PRICE_CLOSE,i)-iMomentum(NULL,0,1,PRICE_CLOSE,i+1);
       //MTM_Buffer[i]=iMomentum(NULL,0,1,PRICE_CLOSE,i)-iMomentum(NULL,0,1,PRICE_CLOSE,i+1);
       //MTM_Buffer[i]=iMomentum(NULL,0,1,PRICE_CLOSE,i)-iMomentum(NULL,0,1,PRICE_CLOSE,i+1);
       ABSMTM_Buffer[i] = MathAbs(MTM_Buffer[i]);
     }
//----
   for(i = Bars - 1; i >= 0; i--)
     {
       EMA_MTM_Buffer[i] = iMAOnArray(MTM_Buffer, 0, First_R, 0, MODE_EMA, i);
       EMA_ABSMTM_Buffer[i] = iMAOnArray(ABSMTM_Buffer, 0, First_R, 0, MODE_EMA, i);
     }
//----
   for(i = Bars - 1; i >= 0; i--)
     {
       EMA2_MTM_Buffer[i] = iMAOnArray(EMA_MTM_Buffer, 0, Second_S, 0, MODE_EMA, i);
       EMA2_ABSMTM_Buffer[i] = iMAOnArray(EMA_ABSMTM_Buffer, 0, Second_S, 0, MODE_EMA, i);
     }
//----
   for(i = limit; i >= 0; i--)
     {
       TSI_Buffer[i] = 100.0*EMA2_MTM_Buffer[i] / EMA2_ABSMTM_Buffer[i];
     }
   for(i = limit; i >= 0; i--)
     {
       SignalBuffer[i] = iMAOnArray(TSI_Buffer, 0, SignalPeriod, 0, MODE_EMA, i);
     }
//----
   return(0);
  }
//+------------------------------------------------------------------+
  }
//+------------------------------------------------------------------+