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refactor: UTF-8
This commit is contained in:
Toh4iem9
@@ -1,169 +1,169 @@
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//+------------------------------------------------------------------+
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//| Supertrend.mq5 |
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//| Copyright 2025, xxxxxxxx |
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//| |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2025, xxxxxxxx"
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#property link ""
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#property version "2.00" // Refactored for stability and robust logic
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#property description "Supertrend Indicator for trend identification"
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//--- Indicator Window and Plot Properties ---
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#property indicator_chart_window
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#property indicator_buffers 6 // Supertrend, Color, ATR, Upper, Lower, Trend
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#property indicator_plots 1
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//--- Plot 1: Supertrend line
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#property indicator_label1 "Supertrend"
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#property indicator_type1 DRAW_COLOR_LINE
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#property indicator_color1 clrLimeGreen, clrTomato
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#property indicator_style1 STYLE_SOLID
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#property indicator_width1 2
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//--- Input Parameters ---
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input int InpAtrPeriod = 10;
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input double InpFactor = 3.0;
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//--- Indicator Buffers ---
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double BufferSupertrend[];
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double BufferColor[];
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double BufferATR[];
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double BufferUpperBand[];
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double BufferLowerBand[];
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double BufferTrend[];
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//--- Global Variables ---
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int g_ExtAtrPeriod;
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double g_ExtFactor;
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int g_handle_atr;
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function. |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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g_ExtAtrPeriod = (InpAtrPeriod < 1) ? 1 : InpAtrPeriod;
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g_ExtFactor = (InpFactor <= 0) ? 3.0 : InpFactor;
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SetIndexBuffer(0, BufferSupertrend, INDICATOR_DATA);
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SetIndexBuffer(1, BufferColor, INDICATOR_COLOR_INDEX);
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SetIndexBuffer(2, BufferATR, INDICATOR_CALCULATIONS);
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SetIndexBuffer(3, BufferUpperBand, INDICATOR_CALCULATIONS);
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SetIndexBuffer(4, BufferLowerBand, INDICATOR_CALCULATIONS);
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SetIndexBuffer(5, BufferTrend, INDICATOR_CALCULATIONS);
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ArraySetAsSeries(BufferSupertrend, false);
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ArraySetAsSeries(BufferColor, false);
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ArraySetAsSeries(BufferATR, false);
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ArraySetAsSeries(BufferUpperBand, false);
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ArraySetAsSeries(BufferLowerBand, false);
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ArraySetAsSeries(BufferTrend, false);
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g_handle_atr = iATR(_Symbol, _Period, g_ExtAtrPeriod);
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if(g_handle_atr == INVALID_HANDLE)
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{
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Print("Error creating iATR handle.");
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return(INIT_FAILED);
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}
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IndicatorSetInteger(INDICATOR_DIGITS, _Digits);
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PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, g_ExtAtrPeriod);
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IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Supertrend(%d, %.1f)", g_ExtAtrPeriod, g_ExtFactor));
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return(INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| Custom indicator deinitialization function. |
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//+------------------------------------------------------------------+
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void OnDeinit(const int reason)
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{
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//--- Release the indicator handle
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IndicatorRelease(g_handle_atr);
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}
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//+------------------------------------------------------------------+
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//| Supertrend calculation function. |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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if(rates_total <= g_ExtAtrPeriod)
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return(0);
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//--- STEP 1: Get ATR values
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if(CopyBuffer(g_handle_atr, 0, 0, rates_total, BufferATR) < rates_total)
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{
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Print("Error copying iATR buffer data.");
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}
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//--- STEP 2: Main calculation loop with robust initialization
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for(int i = 1; i < rates_total; i++)
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{
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double hl2 = (high[i] + low[i]) / 2.0;
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double atr_val = g_ExtFactor * BufferATR[i];
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//--- Calculate basic upper and lower bands
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double upper_basic = hl2 + atr_val;
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double lower_basic = hl2 - atr_val;
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//--- Final upper band (stair-step logic)
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if(upper_basic < BufferUpperBand[i-1] || close[i-1] > BufferUpperBand[i-1])
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BufferUpperBand[i] = upper_basic;
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else
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BufferUpperBand[i] = BufferUpperBand[i-1];
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//--- Final lower band (stair-step logic)
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if(lower_basic > BufferLowerBand[i-1] || close[i-1] < BufferLowerBand[i-1])
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BufferLowerBand[i] = lower_basic;
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else
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BufferLowerBand[i] = BufferLowerBand[i-1];
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//--- Determine trend direction
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if(i == g_ExtAtrPeriod) // Explicit trend initialization
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{
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if(close[i] > hl2)
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BufferTrend[i] = 1;
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else
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BufferTrend[i] = -1;
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}
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else
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if(i > g_ExtAtrPeriod) // Subsequent points
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{
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if(BufferTrend[i-1] == 1 && close[i] < BufferLowerBand[i])
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BufferTrend[i] = -1; // Trend changed to down
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else
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if(BufferTrend[i-1] == -1 && close[i] > BufferUpperBand[i])
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BufferTrend[i] = 1; // Trend changed to up
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else
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BufferTrend[i] = BufferTrend[i-1]; // Trend continues
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}
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//--- Set the final Supertrend value and color, and connect lines on change
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if(BufferTrend[i] == 1) // Uptrend
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{
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BufferSupertrend[i] = BufferLowerBand[i];
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BufferColor[i] = 0;
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if(BufferTrend[i-1] == -1)
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BufferSupertrend[i-1] = BufferLowerBand[i];
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}
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else // Downtrend
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{
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BufferSupertrend[i] = BufferUpperBand[i];
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BufferColor[i] = 1;
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if(BufferTrend[i-1] == 1)
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BufferSupertrend[i-1] = BufferUpperBand[i];
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}
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}
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
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//| Supertrend.mq5 |
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//| Copyright 2025, xxxxxxxx |
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//| |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2025, xxxxxxxx"
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#property link ""
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#property version "2.00" // Refactored for stability and robust logic
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#property description "Supertrend Indicator for trend identification"
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//--- Indicator Window and Plot Properties ---
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#property indicator_chart_window
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#property indicator_buffers 6 // Supertrend, Color, ATR, Upper, Lower, Trend
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#property indicator_plots 1
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//--- Plot 1: Supertrend line
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#property indicator_label1 "Supertrend"
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#property indicator_type1 DRAW_COLOR_LINE
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#property indicator_color1 clrLimeGreen, clrTomato
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#property indicator_style1 STYLE_SOLID
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#property indicator_width1 2
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//--- Input Parameters ---
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input int InpAtrPeriod = 10;
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input double InpFactor = 3.0;
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//--- Indicator Buffers ---
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double BufferSupertrend[];
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double BufferColor[];
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double BufferATR[];
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double BufferUpperBand[];
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double BufferLowerBand[];
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double BufferTrend[];
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//--- Global Variables ---
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int g_ExtAtrPeriod;
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double g_ExtFactor;
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int g_handle_atr;
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function. |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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g_ExtAtrPeriod = (InpAtrPeriod < 1) ? 1 : InpAtrPeriod;
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g_ExtFactor = (InpFactor <= 0) ? 3.0 : InpFactor;
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SetIndexBuffer(0, BufferSupertrend, INDICATOR_DATA);
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SetIndexBuffer(1, BufferColor, INDICATOR_COLOR_INDEX);
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SetIndexBuffer(2, BufferATR, INDICATOR_CALCULATIONS);
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SetIndexBuffer(3, BufferUpperBand, INDICATOR_CALCULATIONS);
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SetIndexBuffer(4, BufferLowerBand, INDICATOR_CALCULATIONS);
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SetIndexBuffer(5, BufferTrend, INDICATOR_CALCULATIONS);
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ArraySetAsSeries(BufferSupertrend, false);
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ArraySetAsSeries(BufferColor, false);
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ArraySetAsSeries(BufferATR, false);
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ArraySetAsSeries(BufferUpperBand, false);
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ArraySetAsSeries(BufferLowerBand, false);
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ArraySetAsSeries(BufferTrend, false);
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g_handle_atr = iATR(_Symbol, _Period, g_ExtAtrPeriod);
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if(g_handle_atr == INVALID_HANDLE)
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{
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Print("Error creating iATR handle.");
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return(INIT_FAILED);
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}
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IndicatorSetInteger(INDICATOR_DIGITS, _Digits);
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PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, g_ExtAtrPeriod);
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IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Supertrend(%d, %.1f)", g_ExtAtrPeriod, g_ExtFactor));
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return(INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| Custom indicator deinitialization function. |
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//+------------------------------------------------------------------+
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void OnDeinit(const int reason)
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{
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//--- Release the indicator handle
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IndicatorRelease(g_handle_atr);
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}
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//+------------------------------------------------------------------+
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//| Supertrend calculation function. |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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if(rates_total <= g_ExtAtrPeriod)
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return(0);
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//--- STEP 1: Get ATR values
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if(CopyBuffer(g_handle_atr, 0, 0, rates_total, BufferATR) < rates_total)
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{
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Print("Error copying iATR buffer data.");
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}
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//--- STEP 2: Main calculation loop with robust initialization
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for(int i = 1; i < rates_total; i++)
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{
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double hl2 = (high[i] + low[i]) / 2.0;
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double atr_val = g_ExtFactor * BufferATR[i];
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//--- Calculate basic upper and lower bands
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double upper_basic = hl2 + atr_val;
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double lower_basic = hl2 - atr_val;
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//--- Final upper band (stair-step logic)
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if(upper_basic < BufferUpperBand[i-1] || close[i-1] > BufferUpperBand[i-1])
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BufferUpperBand[i] = upper_basic;
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else
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BufferUpperBand[i] = BufferUpperBand[i-1];
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//--- Final lower band (stair-step logic)
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if(lower_basic > BufferLowerBand[i-1] || close[i-1] < BufferLowerBand[i-1])
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BufferLowerBand[i] = lower_basic;
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else
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BufferLowerBand[i] = BufferLowerBand[i-1];
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//--- Determine trend direction
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if(i == g_ExtAtrPeriod) // Explicit trend initialization
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{
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if(close[i] > hl2)
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BufferTrend[i] = 1;
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else
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BufferTrend[i] = -1;
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}
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else
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if(i > g_ExtAtrPeriod) // Subsequent points
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{
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if(BufferTrend[i-1] == 1 && close[i] < BufferLowerBand[i])
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BufferTrend[i] = -1; // Trend changed to down
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else
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if(BufferTrend[i-1] == -1 && close[i] > BufferUpperBand[i])
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BufferTrend[i] = 1; // Trend changed to up
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else
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BufferTrend[i] = BufferTrend[i-1]; // Trend continues
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}
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//--- Set the final Supertrend value and color, and connect lines on change
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if(BufferTrend[i] == 1) // Uptrend
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{
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BufferSupertrend[i] = BufferLowerBand[i];
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BufferColor[i] = 0;
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if(BufferTrend[i-1] == -1)
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BufferSupertrend[i-1] = BufferLowerBand[i];
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}
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else // Downtrend
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{
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BufferSupertrend[i] = BufferUpperBand[i];
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BufferColor[i] = 1;
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if(BufferTrend[i-1] == 1)
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BufferSupertrend[i-1] = BufferUpperBand[i];
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}
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}
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
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