X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Ftrainrouteplanner.cpp;h=cd79a61c8f947ff64a4533396fc716ca6ff24387;hb=7b0f113892d7202c17bb873ade72e5e74dbaffa4;hp=9ba860be29cd765a1ade273779a040e2ccbdcfff;hpb=d578d036656c0e89fe9dca5aefd1f81d2777a69e;p=r2c2.git

diff --git a/source/libr2c2/trainrouteplanner.cpp b/source/libr2c2/trainrouteplanner.cpp
index 9ba860b..cd79a61 100644
--- a/source/libr2c2/trainrouteplanner.cpp
+++ b/source/libr2c2/trainrouteplanner.cpp
@@ -66,24 +66,49 @@ void TrainRoutePlanner::create_routes(const RoutingStep &goal)
 {
 	for(vector<TrainRoutingInfo>::iterator i=routed_trains.begin(); i!=routed_trains.end(); ++i)
 	{
-		i->route = new Route(i->train->get_layout());
-		i->route->set_name("Router");
-		i->route->set_temporary(true);
+		Route *route = new Route(i->train->get_layout());
+		route->set_name("Router");
+		route->set_temporary(true);
+		i->routes.push_front(route);
+
+		for(unsigned j=0; j<3; ++j)
+			i->track_history[j] = 0;
 	}
 
 	for(const RoutingStep *i=&goal; i; i=i->prev)
 	{
 		for(vector<TrainRoutingState>::const_iterator j=i->trains.begin(); j!=i->trains.end(); ++j)
 		{
+			Track **history = j->info->track_history;
+			if(j->track.track()==history[0])
+				continue;
+
 			if(j->state==WAITING || j->state==BLOCKED)
 				j->info->waits.push_front(&*j);
-			j->info->route->add_track(*j->track);
+
+			Route *route = j->info->routes.front();
+			if(route->has_track(*j->track))
+			{
+				route = new Route(j->info->train->get_layout());
+				route->set_name("Router");
+				route->set_temporary(true);
+				for(unsigned k=2; k>0; --k)
+					route->add_track(*history[k]);
+				j->info->routes.push_front(route);
+			}
+
+			if(history[0])
+				route->add_track(*history[0]);
+			for(unsigned k=2; k>0; --k)
+				history[k] = history[k-1];
+			history[0] = j->track.track();
 		}
 	}
 
 	for(vector<TrainRoutingInfo>::iterator i=routed_trains.begin(); i!=routed_trains.end(); ++i)
 	{
-		i->router->set_route(i->route);
+		for(list<Route *>::iterator j=i->routes.begin(); j!=i->routes.end(); ++j)
+			i->router->add_route(**j);
 		const TrainRoutingState *current_wait = 0;
 		for(list<const TrainRoutingState *>::const_iterator j=i->waits.begin(); j!=i->waits.end(); ++j)
 			if(!current_wait || (*j)->track.track()!=current_wait->track.track())
@@ -99,8 +124,7 @@ void TrainRoutePlanner::create_routes(const RoutingStep &goal)
 TrainRoutePlanner::TrainRoutingInfo::TrainRoutingInfo(Train &t):
 	train(&t),
 	speed(train->get_maximum_speed()),
-	router(train->get_ai_of_type<TrainRouter>()),
-	route(0)
+	router(train->get_ai_of_type<TrainRouter>())
 {
 	// If no maximum speed is specified, use a sensible default
 	if(!speed)