From b1f2273bc6c93bdef2a3a54c63fad96f5c6e78f4 Mon Sep 17 00:00:00 2001
From: Mike Williams <mike@mikebwilliams.com>
Date: Mon, 12 Sep 2022 15:43:36 -0400
Subject: [PATCH] PNS: Add CurrentStart() to placers.

---
 pcbnew/router/pns_diff_pair_placer.h    | 8 ++++++++
 pcbnew/router/pns_dp_meander_placer.cpp | 6 ++++++
 pcbnew/router/pns_dp_meander_placer.h   | 4 ++++
 pcbnew/router/pns_line_placer.h         | 8 ++++++++
 pcbnew/router/pns_meander_placer.cpp    | 4 ++++
 pcbnew/router/pns_meander_placer.h      | 3 +++
 pcbnew/router/pns_placement_algo.h      | 9 +++++++--
 7 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/pcbnew/router/pns_diff_pair_placer.h b/pcbnew/router/pns_diff_pair_placer.h
index a2a22a8b01..e6cd4ad500 100644
--- a/pcbnew/router/pns_diff_pair_placer.h
+++ b/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.
diff --git a/pcbnew/router/pns_dp_meander_placer.cpp b/pcbnew/router/pns_dp_meander_placer.cpp
index 7b5bc3331b..4a442dba16 100644
--- a/pcbnew/router/pns_dp_meander_placer.cpp
+++ b/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;
diff --git a/pcbnew/router/pns_dp_meander_placer.h b/pcbnew/router/pns_dp_meander_placer.h
index d290140e93..13371c5114 100644
--- a/pcbnew/router/pns_dp_meander_placer.h
+++ b/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()
diff --git a/pcbnew/router/pns_line_placer.h b/pcbnew/router/pns_line_placer.h
index 8562602180..aa49a3b2c9 100644
--- a/pcbnew/router/pns_line_placer.h
+++ b/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.
diff --git a/pcbnew/router/pns_meander_placer.cpp b/pcbnew/router/pns_meander_placer.cpp
index 2d2079aaaa..f79cd6a7ab 100644
--- a/pcbnew/router/pns_meander_placer.cpp
+++ b/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
 {
diff --git a/pcbnew/router/pns_meander_placer.h b/pcbnew/router/pns_meander_placer.h
index 7fd319e641..a05c88df32 100644
--- a/pcbnew/router/pns_meander_placer.h
+++ b/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;
 
diff --git a/pcbnew/router/pns_placement_algo.h b/pcbnew/router/pns_placement_algo.h
index 1e33ab0053..f1aafa30f3 100644
--- a/pcbnew/router/pns_placement_algo.h
+++ b/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
     {
     }
-
-    
 };
 
 }