last ...

2024-11-20 06:10:46 +03:30
parent 711e4acfca
commit b6eb538568
2 changed files with 433 additions and 19 deletions
@@ -1653,6 +1653,164 @@ class XCBarAnalyser : public XCBase
        return result;
    }

+    //
+    // Bar CHOCH ...
+
+    /**
+     * Check Specified Bar Has PullBack or not ...
+     *
+     * @param  dir: ENUM_X_DIRECTION member, Specified Direction ...
+     * @param  bar: XOHCL instance, Speciied Bar ...
+     * @param  loopback: Integer, loopback Length ...
+     * @param  forceBody: Boolean, Specified Choch Happens only by Bar's Body ...
+     *
+     * @return ( bool )
+     */
+    bool HasPullBack(
+        ENUM_X_DIRECTION &dir,
+        XOHCL &bar,
+        int loopback = 3,
+        bool forceBody = false //
+    )
+    {
+        //
+        bool result = false;
+
+        //
+        dir = X_DIRECTION_NONE;
+
+        //
+        if (loopback < 1)
+        {
+            loopback = 1;
+        }
+
+        //
+        result = bar.IsValid();
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        string symbol = bar.symbol;
+        ENUM_TIMEFRAMES period = bar.period;
+
+        //
+        // Calculate Loopback Data ...
+        int index = -1;
+        int start = -1;
+        int end = -1;
+        int count = -1;
+        result = CalculateLoopBackData(
+            index,
+            start,
+            end,
+            count,
+            bar,
+            loopback //
+        );
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        // Calculate Loopback HH and LL Data ...
+        int hhIDX = -1;
+        double hh = -1;
+        int llIDX = -1;
+        double ll = -1;
+        result = CalculateLoopbackHLData(
+            hhIDX,
+            hh,
+            llIDX,
+            ll,
+            bar,
+            loopback //
+        );
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        bool isBullishDirection =
+            bar.high > hh &&
+            bar.low > ll;
+        bool isBearishDirection =
+            bar.high < hh &&
+            bar.low < ll;
+        result = isBullishDirection ||
+                 isBearishDirection;
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        if (forceBody)
+        {
+            //
+            isBullishDirection =
+                bar.GetUp() > hh &&
+                bar.GetDown() > ll;
+            isBearishDirection =
+                bar.GetUp() < hh &&
+                bar.GetDown() < ll;
+            result = isBullishDirection ||
+                     isBearishDirection;
+            if (!result)
+            {
+                return result;
+            }
+        }
+
+        //
+        // Check Bar's Direction in related to CHOCH Direction ...
+        result =
+            isBullishDirection
+                ? bar.IsBullish()
+                : bar.IsBearish();
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        // Set Direction ...
+        dir =
+            isBullishDirection
+                ? X_DIRECTION_BULLISH
+                : X_DIRECTION_BEARISH;
+
+        //
+        // Check Loopback End Bar ...
+        XOHCL endBar;
+        result = endBar.Init(
+            symbol,
+            period,
+            end - 1 //
+        );
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        // End Bar Must be InDirect by Specified Bar ...
+        result =
+            isBullishDirection
+                ? endBar.IsBearish()
+                : endBar.IsBullish();
+
+        //
+        // Check Loopback for Directional Bars ...
+
+        //
+        return result;
+    }
+
    //
  protected:
    //