#include "trackiter.h"
#include "train.h"
#include "trackchain.h"
+#include "trainroutemetric.h"
#include "trainrouteplanner.h"
#include "trainrouter.h"
priority(0),
arriving(0),
destination(0),
- update_pending(false)
+ destination_changed(false),
+ metrics_stale(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;
routes.push_back(lead);
if(r)
routes.push_back(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();
- }
+ destination = 0;
+ waypoints.clear();
+ sequence_points.clear();
+ pending_sequence_checks.clear();
+ current_sequence = 0;
- train.refresh_blocks_from(*fncb);
-
- const Route *route = get_route();
- signal_route_changed.emit(route);
- signal_event.emit(Message("route-changed", route));
+ route_changed();
return true;
}
-void TrainRouter::add_wait(Block &block, Train *tr)
-{
- Wait wait;
- wait.block = █
- wait.train = tr;
- waits.push_back(wait);
-}
-
const Route *TrainRouter::get_route() const
{
if(routes.empty())
return routes.front();
}
+void TrainRouter::route_changed()
+{
+ train.stop_at(0);
+ arriving = 0;
+ BlockIter fncb = train.get_first_noncritical_block();
+ train.refresh_blocks_from(*fncb);
+
+ const Route *route = get_route();
+ signal_route_changed.emit(route);
+ signal_event.emit(Message("route-changed", route));
+}
+
void TrainRouter::set_destination(const TrackChain &d)
{
destination = &d;
- update_pending = true;
+ destination_changed = true;
+ metrics_stale = true;
}
bool TrainRouter::is_destination(Track &track) const
void TrainRouter::add_waypoint(const TrackChain &wp)
{
waypoints.push_back(&wp);
- update_pending = true;
+ destination_changed = true;
+ metrics_stale = true;
}
bool TrainRouter::is_waypoint(unsigned index, Track &track) const
return waypoints[index]->has_track(track);
}
+const TrainRouteMetric &TrainRouter::get_metric(int index) const
+{
+ if(!destination)
+ throw logic_error("no metrics");
+ else if(metrics_stale)
+ 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 *metrics[index+1];
+}
+
void TrainRouter::set_departure_delay(const Time::TimeDelta &d)
{
delay = d;
- update_pending = true;
+ destination_changed = true;
}
void TrainRouter::message(const Message &msg)
delay = Time::zero;
}
- if(update_pending)
- create_plans(train.get_layout());
+ if(destination_changed)
+ {
+ if(!planner)
+ start_planning(train.get_layout());
+ else if(planner->get_result()!=TrainRoutePlanner::PENDING)
+ {
+ destination_changed = false;
+ 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());
+ sequence_points = planner->get_sequence_for(train);
+ pending_sequence_checks.clear();
+ current_sequence = 0;
+
+ route_changed();
+ }
+ planner = 0;
+ }
+ }
+
+ for(list<SequencePoint *>::iterator i=pending_sequence_checks.begin(); i!=pending_sequence_checks.end(); ++i)
+ if((*i)->preceding_train->get_ai_of_type<TrainRouter>()->get_current_sequence()>=(*i)->sequence_in)
+ {
+ (*i)->preceding_train = 0;
+ if(*i==&sequence_points.front())
+ train.stop_at(0);
+ }
+ pending_sequence_checks.clear();
if(arriving==1 && !train.get_speed())
{
{
if(t!=&train)
{
- if(!waits.empty() && waits.front().block==&block)
+ if(!t)
+ return;
+
+ TrainRouter *other_router = 0;
+ for(list<SequencePoint>::iterator i=sequence_points.begin(); i!=sequence_points.end(); ++i)
+ if(i->block==&block && i->preceding_train==t)
+ {
+ if(!other_router)
+ other_router = t->get_ai_of_type<TrainRouter>();
+ if(other_router->get_current_sequence()>=i->sequence_in)
+ {
+ i->preceding_train = 0;
+ if(i==sequence_points.begin())
+ train.stop_at(0);
+ }
+ else
+ pending_sequence_checks.push_back(&*i);
+ }
+
+ return;
+ }
+
+ if(!sequence_points.empty())
+ {
+ SequencePoint &sp = sequence_points.front();
+ if(sp.block==&block)
{
- train.stop_at(0);
- waits.pop_front();
+ current_sequence = sp.sequence_out;
+ sequence_points.pop_front();
}
- return;
}
BlockIter b_iter = t->get_block_allocator().iter_for(block);
return;
}
- if(!waits.empty() && waits.front().block==b_iter_next.block())
- train.stop_at(&block);
+ if(!sequence_points.empty())
+ {
+ SequencePoint &sp = sequence_points.front();
+ if(sp.preceding_train && sp.block==b_iter_next.block())
+ train.stop_at(&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();
- const Route *r = get_route();
+ route = get_route();
// XXX Exceptions?
- signal_route_changed.emit(r);
- signal_event.emit(Message("route-changed", r));
+ signal_route_changed.emit(route);
+ signal_event.emit(Message("route-changed", route));
}
}
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))
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)
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;
}
return advance_route(iter, block);
}
-void TrainRouter::create_plans(Layout &layout)
+void TrainRouter::start_planning(Layout &layout)
{
- TrainRoutePlanner planner(layout);
- planner.plan();
+ RefPtr<TrainRoutePlanner> planner = new TrainRoutePlanner(layout);
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>())
- router->update_pending = false;
+ {
+ if(router->metrics_stale)
+ {
+ router->create_metrics();
+ router->metrics_stale = false;
+ }
+ router->planner = planner;
+ }
+
+ planner->plan();
}
-TrainRouter::Wait::Wait():
- block(0),
- train(0)
+TrainRouter::SequencePoint::SequencePoint(Block &b, unsigned o):
+ block(&b),
+ preceding_train(0),
+ sequence_in(0),
+ sequence_out(o)
{ }
projects / r2c2.git / blobdiff