From e85512838472070722b9e0b010e88ce0f1572b80 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 20 Nov 2013 14:40:04 +0200
Subject: [PATCH] Don't attempt to set a turnout to the already active path

---
 source/libr2c2/track.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/libr2c2/track.cpp b/source/libr2c2/track.cpp
index 2688634..030d428 100644
--- a/source/libr2c2/track.cpp
+++ b/source/libr2c2/track.cpp
@@ -193,6 +193,9 @@ void Track::set_active_path(unsigned p)
 	if(!(type.get_paths()&(1<<p)))
 		throw invalid_argument("Track::set_active_path");
 
+	if(active_path==p)
+		return;
+
 	signal_path_changing(p);
 	path_changing = true;
 	layout.get_driver().set_turnout(turnout_id, p);
-- 
2.43.0