From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 3 Feb 2015 15:29:22 +0000 (+0200)
Subject: Skip routes that are completely covered by the lead route
X-Git-Url: http://git.tdb.fi/?p=r2c2.git;a=commitdiff_plain;h=7ee0b97b7bea5b1b315d3d7847e15b987b0751f5

Skip routes that are completely covered by the lead route

Advance_to_track throws a fit if no advancement happens from one route to
the next.
---

diff --git a/source/libr2c2/trainrouter.cpp b/source/libr2c2/trainrouter.cpp
index 01205fa..a0f30e9 100644
--- a/source/libr2c2/trainrouter.cpp
+++ b/source/libr2c2/trainrouter.cpp
@@ -62,6 +62,7 @@ bool TrainRouter::set_route(const Route *r)
 	routes.clear();
 	if(lead)
 		routes.push_back(lead);
+	// TODO Check if eclipsed by lead route
 	if(r)
 		routes.push_back(r);
 
@@ -227,9 +228,23 @@ void TrainRouter::tick(const Time::TimeDelta &dt)
 		if(planner->get_result()==TrainRoutePlanner::COMPLETE)
 		{
 			const list<Route *> &planned_routes = planner->get_routes_for(train);
+
 			routes.clear();
-			routes.push_back(create_lead_route(0, planned_routes.front()));
-			routes.insert(routes.end(), planned_routes.begin(), planned_routes.end());
+			Route *lead = create_lead_route(0, planned_routes.front());
+			routes.push_back(lead);
+
+			list<Route *>::const_iterator begin = planned_routes.begin();
+			for(; begin!=planned_routes.end(); ++begin)
+			{
+				const Route::TrackSet &tracks = (*begin)->get_tracks();
+				bool eclipsed = true;
+				for(Route::TrackSet::const_iterator i=tracks.begin(); (eclipsed && i!=tracks.end()); ++i)
+					eclipsed = lead->has_track(**i);
+				if(!eclipsed)
+					break;
+			}
+			routes.insert(routes.end(), begin, planned_routes.end());
+
 			sequence_points = planner->get_sequence_for(train);
 			current_sequence = 0;
 			sequence_check_pending = false;