#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;
TrainRouter::TrainRouter(Train &t):
TrainAI(t),
priority(0),
- arriving(false),
- dest_zone(0),
- dest_block(0),
- update_pending(false)
+ arriving(0),
+ destination(0),
+ 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 = false;
- train.refresh_blocks_from(*fncb);
+ destination = 0;
+ waypoints.clear();
+ sequence_points.clear();
+ pending_sequence_checks.clear();
+ current_sequence = 0;
- 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::set_destination(const Zone &zone)
+void TrainRouter::route_changed()
{
- dest_zone = &zone;
- dest_block = 0;
- update_pending = true;
-}
+ train.stop_at(0);
+ arriving = 0;
+ BlockIter fncb = train.get_first_noncritical_block();
+ train.refresh_blocks_from(*fncb);
-void TrainRouter::set_destination(const Block &block)
-{
- dest_zone = 0;
- dest_block = █
- update_pending = true;
+ const Route *route = get_route();
+ signal_route_changed.emit(route);
+ signal_event.emit(Message("route-changed", route));
}
-bool TrainRouter::has_destination() const
+void TrainRouter::set_destination(const TrackChain &d)
{
- return dest_zone || dest_block;
+ destination = &d;
+ destination_changed = true;
+ metrics_stale = true;
}
bool TrainRouter::is_destination(Track &track) const
{
- if(dest_zone)
- return dest_zone->has_track(track);
- else if(dest_block)
- return dest_block->has_track(track);
+ if(destination)
+ return destination->has_track(track);
else
return false;
}
+void TrainRouter::add_waypoint(const TrackChain &wp)
+{
+ waypoints.push_back(&wp);
+ destination_changed = true;
+ metrics_stale = true;
+}
+
+bool TrainRouter::is_waypoint(unsigned index, Track &track) const
+{
+ if(index>=waypoints.size())
+ throw out_of_range("TrainRouter::is_waypoint");
+
+ 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;
+ destination_changed = true;
+}
+
void TrainRouter::message(const Message &msg)
{
if(msg.type=="set-route")
}
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(update_pending)
- create_plans(train.get_layout());
+ if(delay)
+ {
+ delay -= dt;
+ if(delay<=Time::zero)
+ delay = Time::zero;
+ }
- if(arriving && !train.get_speed())
+ if(destination_changed)
{
- signal_arrived.emit();
- signal_event.emit(Message("arrived"));
- set_route(0);
+ 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())
+ {
+ signal_arrived.emit(destination);
+ signal_event.emit(Message("arrived", destination));
+ arriving = 2;
}
+ else if(arriving==2 && !train.get_block_allocator().is_active())
+ set_route(0);
}
void TrainRouter::save(list<DataFile::Statement> &st) const
{
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);
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);
}
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();
+ 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;
+ }
}
}
{
b_iter = b_iter.next();
if(b_iter && !is_on_route(*b_iter))
- arriving = true;
+ arriving = 1;
}
}
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