#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),
+ arriving(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;
bool TrainRouter::set_route(const Route *r)
{
- train.free_noncritical_blocks();
+ BlockIter fncb = train.get_first_noncritical_block();
Route *lead = 0;
if(r && train.is_placed())
{
const BlockAllocator &allocator = train.get_block_allocator();
TrackIter first = allocator.first().track_iter();
- TrackIter next = allocator.last().next().track_iter();
+ TrackIter next = fncb.track_iter();
if(!r->has_track(*next))
{
lead = Route::find(next, *r);
if(r)
routes.push_back(r);
train.stop_at(0);
- arriving = false;
+ 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.reserve_more();
+ train.refresh_blocks_from(*fncb);
const Route *route = get_route();
signal_route_changed.emit(route);
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 = █
+ 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)
}
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::TimeStamp &, 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 && !train.get_speed())
+ if(arriving==1 && !train.get_speed())
{
- train.set_active(false);
- signal_arrived.emit();
- signal_event.emit(Message("arrived"));
- set_route(0);
+ 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(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);
}
if(route.has_track(*b_iter.endpoint().track))
{
routes.pop_front();
+ const Route *r = get_route();
// XXX Exceptions?
- signal_event.emit(Message("route-changed", get_route()));
+ signal_route_changed.emit(r);
+ signal_event.emit(Message("route-changed", r));
+ }
+ }
+
+ 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)
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();
}