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docs(indicators): Refactored to use DMI_Engine

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Toh4iem9
2026-01-11 12:06:33 +01:00
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Indicators/MyIndicators/DMIStochastic_Pro.md
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@@ -51,19 +51,23 @@ The calculation is a three-stage process: first building the DMI components, the
Our MQL5 implementation follows the same modern, object-oriented design as our other professional indicators.
* **Modular Calculation Engine (`DMIStochastic_Calculator.mqh`):**
All mathematical logic is encapsulated in a dedicated include file. This engine manages all intermediate calculations (DM, TR, DI, DMI Oscillator, Fast %K) internally.
* **Shared Core Engine (`DMI_Engine.mqh`):**
Just like the ADX Pro, this indicator leverages the shared `DMI_Engine` to perform the initial heavy lifting (calculating +DI and -DI). This guarantees mathematical consistency across the suite.
* **Engine Integration:** The calculator internally uses two instances of our universal `MovingAverage_Engine.mqh` to handle the smoothing of the Slow %K and the %D Signal Line. This allows for advanced smoothing types (like DEMA or TEMA) beyond the standard SMA.
* **Modular Calculation Engine (`DMIStochastic_Calculator.mqh`):**
This engine acts as a coordinator. It:
1. Delegates the DMI calculation to the `DMI_Engine`.
2. Calculates the DMI Oscillator from the engine's output.
3. Delegates the Stochastic smoothing to two instances of the `MovingAverage_Engine`.
* **Engine Integration:**
The calculator internally uses two instances of our universal `MovingAverage_Engine.mqh` to handle the smoothing of the Slow %K and the %D Signal Line. This allows for advanced smoothing types (like DEMA or TEMA) beyond the standard SMA.
* **Optimized Incremental Calculation (O(1)):**
Unlike basic implementations that recalculate the entire history on every tick, this indicator employs an intelligent incremental algorithm.
* **State Tracking:** It utilizes `prev_calculated` to process only new bars.
* **Persistent Buffers:** Internal buffers (DM, TR, Smoothed DM/TR, DMI Osc, Fast %K) persist their state between ticks.
* **Robust Offset Handling:** The engine correctly handles the initialization periods of the chained calculations.
The entire chain of engines (DMI Engine -> DMI Stoch Calculator -> MA Engines) is fully optimized for incremental calculation using `prev_calculated`. State is preserved across all layers.
* **Object-Oriented Design:**
* The Heikin Ashi version (`CDMIStochasticCalculator_HA`) is achieved simply by instructing the main calculator to instantiate the Heikin Ashi version of the data preparation module.
* The Heikin Ashi version (`CDMIStochasticCalculator_HA`) works by injecting the Heikin Ashi version of the DMI Engine (`CDMIEngine_HA`) into the calculation pipeline.
## 4. Parameters