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refactor:

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Toh4iem9
2025-08-19 13:55:31 +02:00
parent d4c97e3dfc
commit 18c0c1da4d
1 changed files with 58 additions and 53 deletions
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Indicators/MyIndicators/StochRSI_Fast.mq5
+58 -53
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@@ -1,11 +1,11 @@
//+------------------------------------------------------------------+
//| StochRSI_Fast.mq5 |
//| StochRSI_Fast.mq5 |
//| Copyright 2025, xxxxxxxx |
//| |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx"
#property link ""
#property version "1.00"
#property version "2.00" // Refactored for stability and clarity
#property description "Fast Stochastic RSI Oscillator"
//--- Indicator Window and Level Properties ---
@@ -43,8 +43,8 @@ double BufferD[];
double BufferRSI[];
//--- Global Variables ---
int ExtLengthRSI, ExtLengthStoch, ExtSmoothD;
int handle_rsi;
int g_ExtLengthRSI, g_ExtLengthStoch, g_ExtSmoothD;
int g_handle_rsi;
//--- Forward declarations for helper functions ---
double Highest(const double &array[], int period, int current_pos);
@@ -53,11 +53,11 @@ double Lowest(const double &array[], int period, int current_pos);
//+------------------------------------------------------------------+
//| Custom indicator initialization function. |
//+------------------------------------------------------------------+
void OnInit()
int OnInit()
{
ExtLengthRSI = (InpLengthRSI < 1) ? 1 : InpLengthRSI;
ExtLengthStoch = (InpLengthStoch < 1) ? 1 : InpLengthStoch;
ExtSmoothD = (InpSmoothD < 1) ? 1 : InpSmoothD;
g_ExtLengthRSI = (InpLengthRSI < 1) ? 1 : InpLengthRSI;
g_ExtLengthStoch = (InpLengthStoch < 1) ? 1 : InpLengthStoch;
g_ExtSmoothD = (InpSmoothD < 1) ? 1 : InpSmoothD;
SetIndexBuffer(0, BufferK, INDICATOR_DATA);
SetIndexBuffer(1, BufferD, INDICATOR_DATA);
@@ -67,14 +67,28 @@ void OnInit()
ArraySetAsSeries(BufferD, false);
ArraySetAsSeries(BufferRSI, false);
handle_rsi = iRSI(_Symbol, _Period, ExtLengthRSI, InpAppliedPrice);
if(handle_rsi == INVALID_HANDLE)
g_handle_rsi = iRSI(_Symbol, _Period, g_ExtLengthRSI, InpAppliedPrice);
if(g_handle_rsi == INVALID_HANDLE)
{
Print("Error creating iRSI handle.");
return(INIT_FAILED);
}
IndicatorSetInteger(INDICATOR_DIGITS, 2);
PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, ExtLengthRSI + ExtLengthStoch - 2);
PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, ExtLengthRSI + ExtLengthStoch + ExtSmoothD - 3);
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Fast StochRSI(%d,%d,%d)", ExtLengthRSI, ExtLengthStoch, ExtSmoothD));
PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, g_ExtLengthRSI + g_ExtLengthStoch - 2);
PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, g_ExtLengthRSI + g_ExtLengthStoch + g_ExtSmoothD - 3);
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Fast StochRSI(%d,%d,%d)", g_ExtLengthRSI, g_ExtLengthStoch, g_ExtSmoothD));
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function. |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
//--- Release the indicator handle
IndicatorRelease(g_handle_rsi);
}
//+------------------------------------------------------------------+
@@ -91,51 +105,42 @@ int OnCalculate(const int rates_total,
const long &volume[],
const int &spread[])
{
if(rates_total < ExtLengthRSI + ExtLengthStoch)
int start_pos = g_ExtLengthRSI + g_ExtLengthStoch + g_ExtSmoothD - 2;
if(rates_total <= start_pos)
return(0);
//--- STEP 1: Get RSI values from the standard indicator
if(BarsCalculated(handle_rsi) < rates_total)
return(0);
if(CopyBuffer(handle_rsi, 0, 0, rates_total, BufferRSI) <= 0)
return(0);
//--- Main calculation loop
for(int i = 0; i < rates_total; i++)
if(CopyBuffer(g_handle_rsi, 0, 0, rates_total, BufferRSI) < rates_total)
{
//--- STEP 2: Calculate Fast %K on the RSI buffer ---
if(i >= ExtLengthRSI + ExtLengthStoch - 2)
{
// Since RSI is both high, low, and close, we use it for all
double highest_rsi = Highest(BufferRSI, ExtLengthStoch, i);
double lowest_rsi = Lowest(BufferRSI, ExtLengthStoch, i);
double range = highest_rsi - lowest_rsi;
if(range > 0.00001) // Use a small tolerance for floating point numbers
BufferK[i] = (BufferRSI[i] - lowest_rsi) / range * 100.0;
else
BufferK[i] = (i > 0) ? BufferK[i-1] : 50.0;
}
else
{
BufferK[i] = 0;
}
//--- STEP 3: Calculate %D (Signal Line) as an SMA of %K ---
if(i >= ExtLengthRSI + ExtLengthStoch + ExtSmoothD - 3)
{
double sum = 0;
for(int j = 0; j < ExtSmoothD; j++)
{
sum += BufferK[i-j];
}
BufferD[i] = sum / ExtSmoothD;
}
else
{
BufferD[i] = 0;
}
Print("Error copying iRSI buffer data.");
}
//--- STEP 2: Calculate Fast %K on the RSI buffer
int k_start_pos = g_ExtLengthRSI + g_ExtLengthStoch - 2;
for(int i = k_start_pos; i < rates_total; i++)
{
double highest_rsi = Highest(BufferRSI, g_ExtLengthStoch, i);
double lowest_rsi = Lowest(BufferRSI, g_ExtLengthStoch, i);
double range = highest_rsi - lowest_rsi;
if(range > 0.00001)
BufferK[i] = (BufferRSI[i] - lowest_rsi) / range * 100.0;
else
BufferK[i] = (i > 0) ? BufferK[i-1] : 50.0;
}
//--- STEP 3: Calculate %D (Signal Line) as an SMA of %K
int d_start_pos = g_ExtLengthRSI + g_ExtLengthStoch + g_ExtSmoothD - 3;
for(int i = d_start_pos; i < rates_total; i++)
{
double sum = 0;
for(int j = 0; j < g_ExtSmoothD; j++)
{
sum += BufferK[i-j];
}
BufferD[i] = sum / g_ExtSmoothD;
}
return(rates_total);
}