-/* $Id$
-
-This file is part of R²C²
-Copyright © 2010 Mikkosoft Productions, Mikko Rasa
-Distributed under the GPL
-*/
-
-#include <msp/strings/formatter.h>
-#include <msp/time/units.h>
-#include "block.h"
-#include "catalogue.h"
-#include "driver.h"
+#include <msp/strings/format.h>
+#include "clock.h"
#include "layout.h"
#include "timetable.h"
#include "train.h"
+#include "zone.h"
using namespace std;
using namespace Msp;
namespace R2C2 {
Timetable::Timetable(Train &t):
- train(t),
- enabled(false),
- current_row(0),
- executing(true),
- pending_block(0),
- pending_train(0)
+ TrainAI(t),
+ current_row(rows.end()),
+ update_pending(false)
{
- train.signal_arrived.connect(sigc::mem_fun(this, &Timetable::train_arrived));
- train.get_layout().get_driver().signal_sensor.connect(sigc::mem_fun(this, &Timetable::sensor_event));
+ train.signal_ai_event.connect(sigc::mem_fun(this, &Timetable::event));
}
-void Timetable::set_enabled(bool e)
+void Timetable::append_row(const Row &r)
{
- enabled = e;
+ insert_row(rows.size(), r);
}
-void Timetable::reset()
+void Timetable::insert_row(unsigned i, const Row &r)
{
- current_row = 0;
- wait_timeout = Time::TimeStamp();
- pending_block = 0;
- executing = true;
-}
+ if(i>rows.size())
+ throw out_of_range("Timetable::insert_row");
-void Timetable::clear()
-{
- rows.clear();
- reset();
+ list<Row>::iterator j = rows.begin();
+ advance(j, i);
+ j = rows.insert(j, r);
+ signal_row_added.emit(i, *j);
+
+ check_update(j);
}
-void Timetable::append(const Row &row)
+void Timetable::modify_row(unsigned i, const Row &r)
{
- rows.push_back(row);
+ if(i>=rows.size())
+ throw out_of_range("Timetable::remove_row");
+
+ list<Row>::iterator j = rows.begin();
+ advance(j, i);
+ *j = r;
+ signal_row_modified.emit(i, r);
+
+ check_update(j);
}
-void Timetable::insert(unsigned i, const Row &row)
+void Timetable::remove_row(unsigned i)
{
- if(i>rows.size())
- throw InvalidParameterValue("Insert position out of range");
+ if(i>=rows.size())
+ throw out_of_range("Timetable::remove_row");
- rows.insert(rows.begin()+i, row);
- if(i<=current_row)
- ++current_row;
+ list<Row>::iterator j = rows.begin();
+ advance(j, i);
+
+ check_update(j);
+ if(j==current_row)
+ --current_row;
+
+ rows.erase(j);
+ signal_row_removed.emit(i);
}
const Timetable::Row &Timetable::get_row(unsigned i) const
{
if(i>=rows.size())
- throw InvalidParameterValue("Row index out of range");
- return rows[i];
+ throw out_of_range("Timetable::get_row");
+
+ list<Row>::const_iterator j = rows.begin();
+ advance(j, i);
+ return *j;
}
-void Timetable::tick(const Time::TimeStamp &t)
+void Timetable::tick(const Time::TimeDelta &dt)
{
- if(rows.empty() || !enabled)
- return;
+ if(update_pending && !train.get_block_allocator().is_active())
+ update_route();
- if(wait_timeout && t>=wait_timeout)
+ if(current_row->type==DEPART)
{
- wait_timeout = Time::TimeStamp();
- current_row = (current_row+1)%rows.size();
- executing = true;
- }
+ const Clock &clock = train.get_layout().get_clock();
- if(executing)
- {
- Row &row = rows[current_row];
- switch(row.type)
+ Time::TimeDelta t = clock.get_current_time();
+ if(t<current_row->time)
+ t += Time::day;
+
+ Time::TimeDelta b = t-dt*clock.get_rate();
+ if(b<current_row->time)
{
- case GOTO:
- if(!train.go_to(**parse_location(row.get_param<string>(0)).get_tracks().begin()))
- set_enabled(false);
- break;
- case TRAVEL:
- pending_block = &parse_location(row.get_param<string>(0));
- pending_train = &train;
- executing = false;
- break;
- case WAIT_TIME:
- wait_timeout = t+row.get_param<unsigned>(0)*Time::sec;
- executing = false;
- break;
- case WAIT_TRAIN:
- pending_train = &train.get_layout().get_train(row.get_param<unsigned>(0));
- pending_block = &parse_location(row.get_param<string>(1));
- executing = false;
- break;
- case ARRIVE:
- executing = false;
- break;
- case SPEED:
- train.set_control("speed", row.get_param<unsigned>(0)/3.6*train.get_layout().get_catalogue().get_scale());
- break;
- case REVERSE:
- train.set_control("reverse", !train.get_control("reverse"));
- break;
- case ROUTE:
- if(!train.set_route(&train.get_layout().get_route(row.get_param<string>(0))))
- set_enabled(false);
- break;
+ train.ai_message(Message("set-target-speed", train.get_maximum_speed()));
+ ++current_row;
}
-
- if(executing)
- current_row = (current_row+1)%rows.size();
}
}
void Timetable::save(list<DataFile::Statement> &st) const
{
- for(vector<Row>::const_iterator i=rows.begin(); i!=rows.end(); ++i)
- st.push_back(i->save());
-}
-
-Block &Timetable::parse_location(const string &loc)
-{
- if(!loc.compare(0, 7, "sensor "))
- return train.get_layout().get_block(lexical_cast<unsigned>(loc.substr(7))|0x1000);
- throw Exception("Named blocks are not supported yet");
-}
-
-void Timetable::sensor_event(unsigned addr, bool state)
-{
- if(pending_block && pending_block->get_train()==pending_train && addr==pending_block->get_sensor_id() && state)
- {
- pending_block = 0;
- current_row = (current_row+1)%rows.size();
- executing = true;
- }
-}
-
-void Timetable::train_arrived()
-{
- Row &row = rows[current_row];
- if(row.type==ARRIVE)
+ for(list<Row>::const_iterator i=rows.begin(); i!=rows.end(); ++i)
{
- current_row = (current_row+1)%rows.size();
- executing = true;
+ DataFile::Statement ss("row");
+ i->save(ss.sub);
+ st.push_back(ss);
}
}
-
-Timetable::Row::Row(RowType t):
- type(t)
-{ }
-
-template<typename T>
-Timetable::Row::Row(RowType t, const T &p):
- type(t)
+void Timetable::check_update(list<Row>::const_iterator i)
{
- params.push_back(p);
+ for(list<Row>::const_iterator j=current_row; (j!=rows.end() && j!=i); ++j)
+ if(j->type==ARRIVE)
+ return;
+ update_pending = true;
}
-template<typename T>
-const T &Timetable::Row::get_param(unsigned i) const
+void Timetable::update_route()
{
- if(i>=params.size())
- throw InvalidParameterValue("Parameter index out of range");
- return params[i].value<T>();
-}
+ update_pending = false;
+ if(rows.empty())
+ return;
-string Timetable::Row::str() const
-{
- switch(type)
+ list<Row>::iterator depart = rows.end();
+ for(list<Row>::iterator i=current_row;; )
{
- case GOTO:
- return "set route to "+get_param<string>(0);
- case TRAVEL:
- return "travel to "+get_param<string>(0);
- case WAIT_TIME:
- return format("wait for %d seconds", get_param<unsigned>(0));
- case WAIT_TRAIN:
- return format("wait for train %d at %s", get_param<unsigned>(0), get_param<string>(1));
- case ARRIVE:
- return "travel until arrival";
- case SPEED:
- return format("set speed %d km/h", get_param<unsigned>(0));
- case REVERSE:
- return "reverse";
- case ROUTE:
- return "set route "+get_param<string>(0);
- default:
- return "invalid row";
- }
-}
+ if(i==rows.end())
+ {
+ i = rows.begin();
+ depart = rows.end();
+ }
-DataFile::Statement Timetable::Row::save() const
-{
- switch(type)
- {
- case GOTO:
- return DataFile::Statement("goto"), get_param<string>(0);
- case TRAVEL:
- return DataFile::Statement("travel"), get_param<string>(0);
- case WAIT_TIME:
- return DataFile::Statement("wait"), get_param<unsigned>(0);
- case WAIT_TRAIN:
- return DataFile::Statement("wait_train"), get_param<unsigned>(0), get_param<string>(1);
- case ARRIVE:
- return DataFile::Statement("arrive");
- case SPEED:
- return DataFile::Statement("speed"), get_param<unsigned>(0);
- case REVERSE:
- return DataFile::Statement("reverse");
- case ROUTE:
- return DataFile::Statement("route"), get_param<string>(0);
- default:
- return DataFile::Statement();
- }
-}
+ if(i->type==DEPART)
+ depart = i;
+ else if(depart!=rows.end() && i->type==ARRIVE)
+ break;
-Timetable::Row Timetable::Row::parse(const string &s)
-{
- if(!s.compare(0, 7, "travel "))
- {
- if(!s.compare(7, 3, "to "))
- return Row(TRAVEL, s.substr(10));
- else if(!s.compare(7, string::npos, "until arrival"))
- return Row(ARRIVE);
+ ++i;
+ if(i==current_row)
+ {
+ current_row = rows.end();
+ return;
+ }
}
- else if(!s.compare(0, 9, "wait for "))
+
+ train.ai_message(Message("clear-route"));
+
+ current_row = depart;
+ for(list<Row>::const_iterator i=depart; i!=rows.end(); ++i)
{
- if(isdigit(s[9]))
+ if(i->type==ARRIVE)
{
- unsigned nondigit = 10;
- while(nondigit<s.size() && isdigit(s[nondigit]))
- ++nondigit;
- return Row(WAIT_TIME, lexical_cast<unsigned>(s.substr(9, nondigit-9)));
+ train.ai_message(Message("set-destination", i->target));
+ break;
}
- else if(!s.compare(9, 6, "train "))
+ else if(i->type==DEPART)
{
- string::size_type at = s.find(" at ", 15);
- if(at!=string::npos)
- {
- Row row(WAIT_TRAIN, lexical_cast<unsigned>(s.substr(15, at-15)));
- row.params.push_back(s.substr(at+4));
- return row;
- }
+ const Clock &clock = train.get_layout().get_clock();
+ Time::TimeDelta dt = i->time-clock.get_current_time();
+ while(dt<Time::zero)
+ dt += Time::day;
+ dt /= clock.get_rate();
+ train.ai_message(Message("set-departure-delay", dt));
}
+ else if(i->type==THROUGH)
+ train.ai_message(Message("add-waypoint", i->target));
}
- else if(!s.compare(0, 10, "set speed "))
+}
+
+void Timetable::event(TrainAI &, const Message &msg)
+{
+ if(msg.type=="arrived")
{
- unsigned nondigit = 11;
- while(nondigit<s.size() && (isdigit(s[nondigit]) || s[nondigit]=='-'))
- ++nondigit;
- return Row(SPEED, lexical_cast<unsigned>(s.substr(10, nondigit-10)));
+ if(current_row->type==ARRIVE)
+ record_time();
+ update_pending = true;
}
- else if(s=="reverse")
- return Row(REVERSE);
- else if(!s.compare(0, 10, "set route "))
+ else if(msg.type=="waypoint-reached")
{
- if(!s.compare(10, 3, "to "))
- return Row(GOTO, s.substr(13));
- return Row(ROUTE, s.substr(10));
+ const TrackChain *wp = msg.value.value<const TrackChain *>();
+ if(current_row->type==THROUGH && current_row->target==wp)
+ {
+ record_time();
+ ++current_row;
+ }
}
+}
- throw InvalidParameterValue("Invalid row");
+void Timetable::record_time()
+{
+ current_row->time = train.get_layout().get_clock().get_current_time();
+ unsigned i = distance(rows.begin(), current_row);
+ signal_row_modified.emit(i, *current_row);
}
-Timetable::Loader::Loader(Timetable &tt):
- DataFile::ObjectLoader<Timetable>(tt)
+Timetable::Row::Row():
+ type(ARRIVE),
+ target(0)
+{ }
+
+void Timetable::Row::save(list<DataFile::Statement> &st) const
{
- add("arrive", &Loader::arrive);
- add("goto", &Loader::go_to);
- add("route", &Loader::route);
- add("speed", &Loader::speed);
- add("reverse", &Loader::reverse);
- add("travel", &Loader::travel);
- add("wait", &Loader::wait);
- add("wait_train", &Loader::wait_train);
+ st.push_back((DataFile::Statement("type"), type));
+ st.push_back((DataFile::Statement("time"), time.raw()));
+ st.push_back(target->save_reference());
}
-void Timetable::Loader::arrive()
+
+Timetable::Loader::Loader(Timetable &t, Layout &l):
+ DataFile::ObjectLoader<Timetable>(t),
+ layout(l)
{
- obj.rows.push_back(Row(ARRIVE));
+ add("row", &Loader::row);
}
-void Timetable::Loader::go_to(const string &t)
+void Timetable::Loader::row()
{
- obj.rows.push_back(Row(GOTO, t));
+ Row r;
+ load_sub(r, layout);
+ obj.rows.push_back(r);
+ obj.update_pending = true;
}
-void Timetable::Loader::route(const string &r)
+
+Timetable::Row::Loader::Loader(Row &r, Layout &l):
+ DataFile::ObjectLoader<Timetable::Row>(r),
+ layout(l)
{
- obj.rows.push_back(Row(ROUTE, r));
+ add("block", &Loader::block);
+ add("time", &Loader::time);
+ add("type", &Row::type);
+ add("zone", &Loader::zone);
}
-void Timetable::Loader::reverse()
+void Timetable::Row::Loader::block(unsigned id)
{
- obj.rows.push_back(Row(REVERSE));
+ obj.target = &layout.get_block(id);
}
-void Timetable::Loader::speed(unsigned s)
+void Timetable::Row::Loader::time(Time::RawTime t)
{
- obj.rows.push_back(Row(SPEED, s));
+ obj.time = Time::TimeDelta(t);
}
-void Timetable::Loader::travel(const string &t)
+void Timetable::Row::Loader::zone(const string &name, unsigned number)
{
- obj.rows.push_back(Row(TRAVEL, t));
+ obj.target = &layout.get_zone(name, number);
}
-void Timetable::Loader::wait(unsigned t)
+
+void operator<<(LexicalConverter &conv, Timetable::RowType rt)
{
- obj.rows.push_back(Row(WAIT_TIME, t));
+ switch(rt)
+ {
+ case Timetable::ARRIVE: conv.result("ARRIVE"); return;
+ case Timetable::DEPART: conv.result("DEPART"); return;
+ case Timetable::THROUGH: conv.result("THROUGH"); return;
+ default: throw lexical_error(format("conversion of RowType(%d) to string", rt));
+ }
}
-void Timetable::Loader::wait_train(unsigned t, const string &b)
+void operator>>(const LexicalConverter &conv, Timetable::RowType &rt)
{
- Row row(WAIT_TRAIN, t);
- row.params.push_back(b);
- obj.rows.push_back(row);
+ if(conv.get()=="ARRIVE")
+ rt = Timetable::ARRIVE;
+ else if(conv.get()=="DEPART")
+ rt = Timetable::DEPART;
+ else if(conv.get()=="THROUGH")
+ rt = Timetable::THROUGH;
+ else
+ throw lexical_error(format("conversion of '%s' to RowType", conv.get()));
}
} // namespace R2C2