X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Ftrainrouter.cpp;h=9a86263b9bec5922fa58d8201529731e79c01944;hb=c435f10d8de8a4058c43bcfc6c7073c8a8798463;hp=100842b6001fc44ebbf32a06e08ed0331f346189;hpb=32739f060d1c025756b3ed702da1cbbdd6793064;p=r2c2.git

diff --git a/source/libr2c2/trainrouter.cpp b/source/libr2c2/trainrouter.cpp
index 100842b..9a86263 100644
--- a/source/libr2c2/trainrouter.cpp
+++ b/source/libr2c2/trainrouter.cpp
@@ -2,9 +2,10 @@
 #include "route.h"
 #include "trackiter.h"
 #include "train.h"
+#include "trackchain.h"
+#include "trainroutemetric.h"
 #include "trainrouteplanner.h"
 #include "trainrouter.h"
-#include "zone.h"
 
 using namespace std;
 using namespace Msp;
@@ -15,14 +16,19 @@ TrainRouter::TrainRouter(Train &t):
 	TrainAI(t),
 	priority(0),
 	arriving(0),
-	dest_zone(0),
-	dest_block(0),
+	destination(0),
 	update_pending(false)
 {
 	train.get_layout().signal_block_reserved.connect(sigc::mem_fun(this, &TrainRouter::block_reserved));
 	train.signal_advanced.connect(sigc::mem_fun(this, &TrainRouter::train_advanced));
 }
 
+TrainRouter::~TrainRouter()
+{
+	for(vector<TrainRouteMetric *>::iterator i=metrics.begin(); i!=metrics.end(); ++i)
+		delete *i;
+}
+
 void TrainRouter::set_priority(int p)
 {
 	priority = p;
@@ -57,6 +63,14 @@ bool TrainRouter::set_route(const Route *r)
 	train.stop_at(0);
 	arriving = 0;
 
+	/* TODO destination should also be cleared when manually setting a different
+	route, but not when the planner calls this. */
+	if(!r)
+	{
+		destination = 0;
+		waypoints.clear();
+	}
+
 	train.refresh_blocks_from(*fncb);
 
 	const Route *route = get_route();
@@ -66,6 +80,17 @@ bool TrainRouter::set_route(const Route *r)
 	return true;
 }
 
+bool TrainRouter::add_route(const Route &r)
+{
+	if(routes.empty())
+		return set_route(&r);
+
+	// TODO Check that it can be reached from previous routes
+	routes.push_back(&r);
+
+	return true;
+}
+
 void TrainRouter::add_wait(Block &block, Train *tr)
 {
 	Wait wait;
@@ -81,33 +106,53 @@ const Route *TrainRouter::get_route() const
 	return routes.front();
 }
 
-void TrainRouter::set_destination(const Zone &zone)
+void TrainRouter::set_destination(const TrackChain &d)
 {
-	dest_zone = &zone;
-	dest_block = 0;
+	destination = &d;
 	update_pending = true;
 }
 
-void TrainRouter::set_destination(const Block &block)
+bool TrainRouter::is_destination(Track &track) const
+{
+	if(destination)
+		return destination->has_track(track);
+	else
+		return false;
+}
+
+void TrainRouter::add_waypoint(const TrackChain &wp)
 {
-	dest_zone = 0;
-	dest_block = &block;
+	waypoints.push_back(&wp);
 	update_pending = true;
 }
 
-bool TrainRouter::has_destination() const
+bool TrainRouter::is_waypoint(unsigned index, Track &track) const
 {
-	return dest_zone || dest_block;
+	if(index>=waypoints.size())
+		throw out_of_range("TrainRouter::is_waypoint");
+
+	return waypoints[index]->has_track(track);
 }
 
-bool TrainRouter::is_destination(Track &track) const
+const TrainRouteMetric &TrainRouter::get_metric(int index) const
 {
-	if(dest_zone)
-		return dest_zone->has_track(track);
-	else if(dest_block)
-		return dest_block->has_track(track);
+	if(!destination)
+		throw logic_error("no metrics");
+	else if(update_pending)
+		throw logic_error("metrics are stale");
+
+	if(index<0)
+		return *metrics.front();
+	else if(static_cast<unsigned>(index)>=waypoints.size())
+		throw out_of_range("TrainRouter::get_metric");
 	else
-		return false;
+		return *metrics[index+1];
+}
+
+void TrainRouter::set_departure_delay(const Time::TimeDelta &d)
+{
+	delay = d;
+	update_pending = true;
 }
 
 void TrainRouter::message(const Message &msg)
@@ -121,31 +166,40 @@ void TrainRouter::message(const Message &msg)
 	}
 	else if(msg.type=="clear-route")
 		set_route(0);
-	else if(msg.type=="set-destination-block")
+	else if(msg.type=="set-destination")
 	{
-		if(msg.value.check_type<Block *>())
-			set_destination(*msg.value.value<Block *>());
+		if(msg.value.check_type<TrackChain *>())
+			set_destination(*msg.value.value<TrackChain *>());
 		else
-			set_destination(*msg.value.value<const Block *>());
+			set_destination(*msg.value.value<const TrackChain *>());
 	}
-	else if(msg.type=="set-destination-zone")
+	else if(msg.type=="add-waypoint")
 	{
-		if(msg.value.check_type<Zone *>())
-			set_destination(*msg.value.value<Zone *>());
+		if(msg.value.check_type<TrackChain *>())
+			add_waypoint(*msg.value.value<TrackChain *>());
 		else
-			set_destination(*msg.value.value<const Zone *>());
+			add_waypoint(*msg.value.value<const TrackChain *>());
 	}
+	else if(msg.type=="set-departure-delay")
+		set_departure_delay(msg.value.value<Time::TimeDelta>());
 }
 
-void TrainRouter::tick(const Time::TimeDelta &)
+void TrainRouter::tick(const Time::TimeDelta &dt)
 {
+	if(delay)
+	{
+		delay -= dt;
+		if(delay<=Time::zero)
+			delay = Time::zero;
+	}
+
 	if(update_pending)
 		create_plans(train.get_layout());
 
 	if(arriving==1 && !train.get_speed())
 	{
-		signal_arrived.emit();
-		signal_event.emit(Message("arrived"));
+		signal_arrived.emit(destination);
+		signal_event.emit(Message("arrived", destination));
 		arriving = 2;
 	}
 	else if(arriving==2 && !train.get_block_allocator().is_active())
@@ -183,9 +237,9 @@ void TrainRouter::block_reserved(Block &block, Train *t)
 	if(advance_route(route, block))
 	{
 		// Check if the block is a turnout and set it to proper path
-		if(unsigned tid = block.get_turnout_id())
+		if(unsigned taddr = block.get_turnout_address())
 		{
-			int path = (*route)->get_turnout(tid);
+			int path = (*route)->get_turnout(taddr);
 			if(path>=0)
 				b_iter.track_iter()->set_active_path(path);
 		}
@@ -212,12 +266,42 @@ void TrainRouter::train_advanced(Block &block)
 	// Check if we've reached the next route
 	if(routes.size()>1)
 	{
-		const Route &route = **++routes.begin();
-		if(route.has_track(*b_iter.endpoint().track))
+		Track &track = *b_iter.endpoint().track;
+		const Route *route = get_route();
+		bool change_route = false;
+		if(route->is_loop())
+			change_route = (*++routes.begin())->has_track(track);
+		else
+			change_route = !route->has_track(track);
+
+		if(change_route)
 		{
 			routes.pop_front();
+			route = get_route();
 			// XXX Exceptions?
-			signal_event.emit(Message("route-changed", get_route()));
+			signal_route_changed.emit(route);
+			signal_event.emit(Message("route-changed", route));
+		}
+	}
+
+	if(!waypoints.empty())
+	{
+		const TrackChain &wp = *waypoints.front();
+		TrackIter t_iter = b_iter.track_iter();
+		if(wp.has_track(*t_iter))
+		{
+			for(; t_iter; t_iter=t_iter.next())
+			{
+				if(!wp.has_track(*t_iter))
+				{
+					waypoints.erase(waypoints.begin());
+					signal_waypoint_reached.emit(&wp);
+					signal_event.emit(Message("waypoint-reached", &wp));
+					break;
+				}
+				else if(!block.has_track(*t_iter))
+					break;
+			}
 		}
 	}
 
@@ -240,6 +324,23 @@ const Route *TrainRouter::get_route_for_block(const Block &block) const
 	return 0;
 }
 
+void TrainRouter::create_metrics()
+{
+	for(vector<TrainRouteMetric *>::iterator i=metrics.begin(); i!=metrics.end(); ++i)
+		delete *i;
+	metrics.clear();
+
+	if(!destination)
+		return;
+
+	metrics.push_back(new TrainRouteMetric(*destination));
+	for(vector<const TrackChain *>::const_iterator i=waypoints.begin(); i!=waypoints.end(); ++i)
+		metrics.push_back(new TrainRouteMetric(**i));
+
+	for(unsigned i=metrics.size(); --i>0; )
+		metrics[i]->chain_to(*metrics[(i+1)%metrics.size()]);
+}
+
 Route *TrainRouter::create_lead_route(Route *lead, const Route *target)
 {
 	if(!lead)
@@ -249,27 +350,36 @@ Route *TrainRouter::create_lead_route(Route *lead, const Route *target)
 		lead->set_temporary(true);
 	}
 
-	set<Track *> tracks;
-	for(BlockIter i=train.get_block_allocator().first(); (i && i->get_train()==&train); i=i.next())
+	bool target_reached = false;
+	for(TrackIter i=train.get_block_allocator().first().track_iter(); i; i=i.next())
 	{
-		const set<Track *> &btracks = i->get_tracks();
-		for(set<Track *>::const_iterator j=btracks.begin(); j!=btracks.end(); ++j)
-			if(!target || !target->has_track(**j))
-				tracks.insert(*j);
+		if(i->get_block().get_train()!=&train)
+			break;
+		if(target)
+		{
+			if(target->has_track(*i))
+				target_reached = true;
+			else if(target_reached)
+				break;
+		}
+		lead->add_track(*i);
 	}
 
-	lead->add_tracks(tracks);
-
 	return lead;
 }
 
 bool TrainRouter::advance_route(RouteList::iterator &iter, const Block &block)
 {
 	const set<Track *> &tracks = block.get_tracks();
+	unsigned turnout_addr = block.get_turnout_address();
 	for(; iter!=routes.end(); ++iter)
+	{
+		if(turnout_addr && (*iter)->get_turnout(turnout_addr)<0)
+			continue;
 		for(set<Track *>::const_iterator j=tracks.begin(); j!=tracks.end(); ++j)
 			if((*iter)->has_track(**j))
 				return true;
+	}
 
 	return false;
 }
@@ -282,13 +392,17 @@ bool TrainRouter::is_on_route(const Block &block)
 
 void TrainRouter::create_plans(Layout &layout)
 {
-	TrainRoutePlanner planner(layout);
-	planner.plan();
-
 	const map<unsigned, Train *> &trains = layout.get_trains();
 	for(map<unsigned, Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
 		if(TrainRouter *router = i->second->get_ai_of_type<TrainRouter>())
+		{
+			if(router->update_pending)
+				router->create_metrics();
 			router->update_pending = false;
+		}
+
+	TrainRoutePlanner planner(layout);
+	planner.plan();
 }