PNS: Add CurrentStart() to placers.

pcbnew/router/pns_diff_pair_placer.h

@@ -103,6 +103,14 @@ public:
      */
     const ITEM_SET Traces() override;
 
+    /**
+     * Return the current start of the line being placed.
+     */
+    const VECTOR2I& CurrentStart() const override
+    {
+        return m_currentStart;
+    }
+
     /**
      * Return the current end of the line being placed. It may not be equal to the cursor
      * position due to collisions.

pcbnew/router/pns_dp_meander_placer.cpp

@@ -413,6 +413,12 @@ const ITEM_SET DP_MEANDER_PLACER::Traces()
 }
 
 
+const VECTOR2I& DP_MEANDER_PLACER::CurrentStart() const
+{
+    return m_currentStart;
+}
+
+
 const VECTOR2I& DP_MEANDER_PLACER::CurrentEnd() const
 {
     return m_currentEnd;

pcbnew/router/pns_dp_meander_placer.h

@@ -91,6 +91,10 @@ public:
 
     const ITEM_SET Traces() override;
 
+    /// @copydoc PLACEMENT_ALGO::CurrentStart()
+    const VECTOR2I& CurrentStart() const override;
+
+    /// @copydoc PLACEMENT_ALGO::CurrentEnd()
     const VECTOR2I& CurrentEnd() const override;
 
     /// @copydoc PLACEMENT_ALGO::CurrentNets()

pcbnew/router/pns_line_placer.h

@@ -148,6 +148,14 @@ public:
      */
     const ITEM_SET Traces() override;
 
+    /**
+     * Return the current start of the line being placed.
+     */
+    const VECTOR2I& CurrentStart() const override
+    {
+        return m_currentStart;
+    }
+
     /**
      * Return the current end of the line being placed. It may not be equal to the cursor
      * position due to collisions.

pcbnew/router/pns_meander_placer.cpp

@@ -252,6 +252,10 @@ const ITEM_SET MEANDER_PLACER::Traces()
     return ITEM_SET( &m_currentTrace );
 }
 
+const VECTOR2I& MEANDER_PLACER::CurrentStart() const
+{
+    return m_currentStart;
+}
 
 const VECTOR2I& MEANDER_PLACER::CurrentEnd() const
 {

pcbnew/router/pns_meander_placer.h

@@ -73,6 +73,9 @@ public:
     /// @copydoc PLACEMENT_ALGO::Traces()
     const ITEM_SET Traces() override;
 
+    /// @copydoc PLACEMENT_ALGO::CurrentStart()
+    const VECTOR2I& CurrentStart() const override;
+
     /// @copydoc PLACEMENT_ALGO::CurrentEnd()
     const VECTOR2I& CurrentEnd() const override;
 

pcbnew/router/pns_placement_algo.h

@@ -123,6 +123,13 @@ public:
      */
     virtual const ITEM_SET Traces() = 0;
 
+    /**
+     * Function CurrentStart()
+     *
+     * Returns the current start of the line(s) being placed/tuned.
+     */
+    virtual const VECTOR2I& CurrentStart() const = 0;
+
     /**
      * Function CurrentEnd()
      *
@@ -191,8 +198,6 @@ public:
     virtual void GetModifiedNets( std::vector<int> &aNets ) const
     {
     }
-
-    
 };
 
 }