/* $Id$
This file is part of the MSP Märklin suite
-Copyright © 2006-2008 Mikkosoft Productions, Mikko Rasa
+Copyright © 2006-2010 Mikkosoft Productions, Mikko Rasa
Distributed under the GPL
*/
#include <msp/strings/formatter.h>
#include <msp/time/units.h>
#include <msp/time/utils.h>
-#include "control.h"
-#include "trafficmanager.h"
+#include "aicontrol.h"
+#include "catalogue.h"
+#include "driver.h"
+#include "layout.h"
+#include "locotype.h"
+#include "route.h"
+#include "simplephysics.h"
+#include "timetable.h"
+#include "tracktype.h"
#include "train.h"
+#include "vehicle.h"
-using namespace Msp;
-
-#include <iostream>
using namespace std;
+using namespace Msp;
namespace Marklin {
-Train::Train(TrafficManager &tm, Locomotive &l):
- trfc_mgr(tm),
- loco(l),
- target_speed(0),
+Train::Train(Layout &l, const LocoType &t, unsigned a):
+ layout(l),
+ loco_type(t),
+ address(a),
+ pending_block(0),
+ control(new AIControl(*this, new SimplePhysics)),
+ timetable(0),
+ active(false),
+ current_speed(0),
+ speed_changing(false),
+ reverse(false),
+ functions(0),
+ route(0),
+ next_route(0),
+ end_of_route(false),
status("Unplaced"),
travel_dist(0),
- real_speed(0)
+ pure_speed(false),
+ real_speed(15),
+ accurate_position(false),
+ overshoot_dist(false)
{
- trfc_mgr.add_train(this);
+ vehicles.push_back(new Vehicle(layout, loco_type));
+
+ layout.add_train(*this);
+
+ layout.get_driver().add_loco(address);
+ layout.get_driver().signal_loco_speed.connect(sigc::mem_fun(this, &Train::loco_speed_event));
+ layout.get_driver().signal_loco_function.connect(sigc::mem_fun(this, &Train::loco_func_event));
- const map<unsigned, Sensor *> &sensors=trfc_mgr.get_control().get_sensors();
- for(map<unsigned, Sensor *>::const_iterator i=sensors.begin(); i!=sensors.end(); ++i)
- i->second->signal_state_changed.connect(sigc::bind(sigc::mem_fun(this, &Train::sensor_event), i->second));
+ layout.signal_block_reserved.connect(sigc::mem_fun(this, &Train::block_reserved));
+ layout.get_driver().signal_sensor.connect(sigc::mem_fun(this, &Train::sensor_event));
+ layout.get_driver().signal_turnout.connect(sigc::mem_fun(this, &Train::turnout_event));
+
+ layout.get_driver().signal_halt.connect(sigc::mem_fun(this, &Train::halt_event));
+
+ control->signal_control_changed.connect(signal_control_changed);
+}
+
+Train::~Train()
+{
+ delete control;
+ delete timetable;
+ for(vector<Vehicle *>::iterator i=vehicles.begin(); i!=vehicles.end(); ++i)
+ delete *i;
+ layout.remove_train(*this);
}
void Train::set_name(const string &n)
{
- name=n;
+ name = n;
signal_name_changed.emit(name);
}
-void Train::set_speed(unsigned speed)
+Vehicle &Train::get_vehicle(unsigned i)
{
- unsigned old_speed=target_speed;
+ if(i>=vehicles.size())
+ throw InvalidParameterValue("Vehicle index out of range");
+ return *vehicles[i];
+}
- target_speed=speed;
- if(!target_speed)
- {
- // XXX We might roll onto a new sensor and get confused - should delay freeing blocks a bit
- for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
- i->block->reserve(0);
- rsv_blocks.clear();
- try_reserve=Time::TimeStamp();
- }
- else if(rsv_blocks.empty() && !reserve_more())
+const Vehicle &Train::get_vehicle(unsigned i) const
+{
+ if(i>=vehicles.size())
+ throw InvalidParameterValue("Vehicle index out of range");
+ return *vehicles[i];
+}
+
+void Train::set_control(const string &n, float v)
+{
+ control->set_control(n, v);
+}
+
+void Train::set_active(bool a)
+{
+ if(a==active)
return;
+ if(!a && control->get_speed())
+ throw InvalidState("Can't deactivate while moving");
- loco.set_speed(speed);
- if(!old_speed && target_speed)
- set_status("Traveling --- kmh");
- else if(old_speed && !target_speed)
+ active = a;
+ if(active)
+ {
+ stop_timeout = Time::TimeStamp();
+ reserve_more();
+ }
+ else
+ {
+ stop_timeout = Time::now()+2*Time::sec;
set_status("Stopped");
+ }
+}
+
+void Train::set_function(unsigned func, bool state)
+{
+ if(!loco_type.get_functions().count(func))
+ throw InvalidParameterValue("Invalid function");
+ if(func<5)
+ layout.get_driver().set_loco_function(address, func, state);
+ else
+ layout.get_driver().set_loco_function(address+1, func-4, state);
+}
+
+bool Train::get_function(unsigned func) const
+{
+ return (functions>>func)&1;
}
-void Train::place(Block *block, unsigned entry)
+void Train::set_route(const Route *r)
{
- for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end();)
+ if(!rsv_blocks.empty())
+ {
+ for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
+ if(i->block->get_sensor_id())
+ {
+ release_blocks(rsv_blocks, ++i, rsv_blocks.end());
+ break;
+ }
+ }
+
+ route = r;
+ next_route = 0;
+ end_of_route = false;
+
+ if(route)
{
- i->block->reserve(0);
- i=rsv_blocks.erase(i);
+ BlockRef &last = (rsv_blocks.empty() ? cur_blocks.back() : rsv_blocks.back());
+ BlockRef next = last.next();
+ const Block::Endpoint &ep = next.block->get_endpoints()[next.entry];
+ if(!route->get_tracks().count(ep.track))
+ {
+ next_route = route;
+ route = Route::find(*ep.track, ep.track_ep, *next_route);
+ }
}
- for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end();)
+ if(active)
+ reserve_more();
+
+ signal_route_changed.emit(route);
+}
+
+void Train::go_to(const Track &to)
+{
+ for(list<BlockRef>::const_iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
+ if(i->block->get_tracks().count(const_cast<Track *>(&to)))
+ {
+ signal_arrived.emit();
+ set_route(0);
+ return;
+ }
+
+ BlockRef *last = 0;
+ if(rsv_blocks.empty())
+ last = &cur_blocks.back();
+ else
{
- i->block->reserve(0);
- i=cur_blocks.erase(i);
+ for(list<BlockRef>::iterator i=rsv_blocks.begin(); (i!=rsv_blocks.end() && !last); ++i)
+ if(i->block->get_sensor_id())
+ last = &*i;
}
- if(!block->reserve(this))
+ BlockRef next = last->next();
+ const Block::Endpoint &ep = next.block->get_endpoints()[next.entry];
+
+ set_route(Route::find(*ep.track, ep.track_ep, to));
+}
+
+void Train::place(Block &block, unsigned entry)
+{
+ if(control->get_speed())
+ throw InvalidState("Must be stopped before placing");
+
+ release_blocks(rsv_blocks);
+ release_blocks(cur_blocks);
+
+ set_active(false);
+ accurate_position = false;
+
+ if(!block.reserve(this))
{
set_status("Unplaced");
return;
}
- cur_blocks.push_back(BlockRef(block, entry));
-
- set_status("Stopped");
+ cur_blocks.push_back(BlockRef(&block, entry));
+ if(reverse)
+ {
+ unsigned exit = block.traverse(entry);
+ const Block::Endpoint &bep = block.get_endpoints()[exit];
+ Track *track = bep.track->get_link(bep.track_ep);
+ unsigned ep = track->get_endpoint_by_link(*bep.track);
+ vehicles.front()->place(track, ep, 0, Vehicle::FRONT_BUFFER);
+ }
+ else
+ {
+ const Block::Endpoint &bep = block.get_endpoints()[entry];
+ vehicles.front()->place(bep.track, bep.track_ep, 0, Vehicle::BACK_BUFFER);
+ }
}
-bool Train::free_block(Block *block)
+bool Train::free_block(Block &block)
{
+ unsigned nsens = 0;
for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
- if(i->block==block)
+ {
+ if(i->block==&block)
{
- while(i!=rsv_blocks.end())
- {
- i->block->reserve(0);
- i=rsv_blocks.erase(i);
- }
+ if(nsens<1)
+ return false;
+ release_blocks(rsv_blocks, i, rsv_blocks.end());
return true;
}
+ else if(i->block->get_sensor_id())
+ ++nsens;
+ }
return false;
}
-void Train::tick(const Time::TimeStamp &t)
+int Train::get_entry_to_block(Block &block) const
{
- if(try_reserve && t>try_reserve)
+ for(list<BlockRef>::const_iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
+ if(i->block==&block)
+ return i->entry;
+ for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
+ if(i->block==&block)
+ return i->entry;
+ return -1;
+}
+
+float Train::get_reserved_distance() const
+{
+ Vehicle &veh = *(reverse ? vehicles.back() : vehicles.front());
+ const VehicleType &vtype = veh.get_type();
+
+ Track *track = veh.get_track();
+ if(!track)
+ return 0;
+ unsigned entry = veh.get_entry();
+
+ float result = -vtype.get_length()/2;
+ if(reverse)
{
- if(reserve_more() || !rsv_blocks.empty())
+ entry = track->traverse(entry);
+ result += veh.get_offset();
+ }
+ else
+ result -= veh.get_offset();
+
+ bool first = true;
+ list<BlockRef>::const_iterator block = cur_blocks.begin();
+ while(1)
+ {
+ if(!first || !reverse)
+ result += track->get_type().get_path_length(track->get_active_path());
+ first = false;
+
+ if(track->get_type().get_endpoints().size()<2)
+ return result;
+
+ unsigned exit = track->traverse(entry);
+ Track *next = track->get_link(exit);
+
+ while(!block->block->get_tracks().count(next))
{
- loco.set_speed(target_speed);
- set_status("Traveling --- kmh");
- try_reserve=Time::TimeStamp();
+ ++block;
+ if(block==cur_blocks.end())
+ block = rsv_blocks.begin();
+ if(block==rsv_blocks.end())
+ return result;
}
+
+ entry = next->get_endpoint_by_link(*track);
+ track = next;
+ }
+}
+
+void Train::tick(const Time::TimeStamp &t, const Time::TimeDelta &dt)
+{
+ if(!active && stop_timeout && t>=stop_timeout)
+ {
+ release_blocks(rsv_blocks);
+ end_of_route = false;
+ stop_timeout = Time::TimeStamp();
+ }
+
+ Driver &driver = layout.get_driver();
+
+ if(timetable)
+ timetable->tick(t);
+ control->tick(dt);
+ float speed = control->get_speed();
+ unsigned speed_notch = find_speed(abs(speed));
+
+ if(speed && (speed<0)!=reverse)
+ {
+ driver.set_loco_reverse(address, speed<0);
+ reverse = speed<0;
+
+ release_blocks(rsv_blocks);
+ reverse_blocks(cur_blocks);
+
+ reserve_more();
+ }
+ if(speed_notch!=current_speed && !speed_changing && !driver.is_halted() && driver.get_power())
+ {
+ speed_changing = true;
+ driver.set_loco_speed(address, speed_notch);
+
+ pure_speed = false;
+
+ if(speed_notch)
+ set_status(format("Traveling %d kmh", get_travel_speed()));
else
- try_reserve=t+2*Time::sec;
+ set_status("Waiting");
+ }
+
+ if(speed)
+ {
+ if(!active)
+ set_active(true);
+
+ Vehicle &vehicle = *(reverse ? vehicles.back() : vehicles.front());
+ Track *track = vehicle.get_track();
+
+ bool ok = false;
+ for(list<BlockRef>::const_iterator i=cur_blocks.begin(); (!ok && i!=cur_blocks.end()); ++i)
+ ok = i->block->get_tracks().count(track);
+
+ float d = get_real_speed(current_speed)*(dt/Time::sec);
+ if(ok)
+ vehicle.advance(reverse ? -d : d);
+ else if(accurate_position)
+ {
+ overshoot_dist += d;
+ if(overshoot_dist>40*layout.get_catalogue().get_scale())
+ {
+ layout.emergency(name+" has not arrived at sensor");
+ accurate_position = false;
+ }
+ }
+ }
+ else if(end_of_route)
+ set_route(0);
+
+ if(!cur_blocks.empty() && !cur_blocks.front().block->get_sensor_id())
+ {
+ Vehicle &veh = *(reverse ? vehicles.front() : vehicles.back());
+
+ list<BlockRef>::iterator i = cur_blocks.begin();
+ const Block::Endpoint &bep = i->block->get_endpoints()[i->entry];
+
+ Track *track = bep.track;
+ unsigned entry = bep.track_ep;
+
+ bool found = false;
+ float dist = veh.get_offset()-veh.get_type().get_length()/2;
+ while(1)
+ {
+ if(track==veh.get_track())
+ {
+ found = true;
+ break;
+ }
+
+ if(i!=cur_blocks.begin())
+ {
+ float path_len = track->get_type().get_path_length(track->get_active_path());
+ dist += path_len;
+ }
+
+ unsigned exit = track->traverse(entry);
+ Track *next = track->get_link(exit);
+ entry = next->get_endpoint_by_link(*track);
+ track = next;
+
+ if(!i->block->get_tracks().count(track))
+ {
+ ++i;
+ if(i==cur_blocks.end())
+ break;
+ }
+ }
+
+ if(found && i!=cur_blocks.begin() && dist>10*layout.get_catalogue().get_scale())
+ {
+ cur_blocks.front().block->reserve(0);
+ cur_blocks.erase(cur_blocks.begin());
+ }
}
}
-void Train::sensor_event(bool state, Sensor *sensor)
+void Train::save(list<DataFile::Statement> &st) const
{
- unsigned addr=sensor->get_address();
+ st.push_back((DataFile::Statement("name"), name));
+ for(vector<Vehicle *>::const_iterator i=vehicles.begin(); i!=vehicles.end(); ++i)
+ if(i!=vehicles.begin())
+ st.push_back((DataFile::Statement("vehicle"), (*i)->get_type().get_article_number()));
+
+ for(unsigned i=0; i<=14; ++i)
+ if(real_speed[i].weight)
+ st.push_back((DataFile::Statement("real_speed"), i, real_speed[i].speed, real_speed[i].weight));
+
+ if(!cur_blocks.empty())
+ {
+ list<BlockRef> blocks = cur_blocks;
+ if(reverse)
+ reverse_blocks(blocks);
+
+ Block *prev = blocks.front().block->get_endpoints()[blocks.front().entry].link;
+ st.push_back((DataFile::Statement("block_hint"), prev->get_id()));
+
+ for(list<BlockRef>::const_iterator i=blocks.begin(); i!=blocks.end(); ++i)
+ st.push_back((DataFile::Statement("block"), i->block->get_id()));
+ }
+
+ if(route)
+ {
+ if(!route->is_temporary())
+ st.push_back((DataFile::Statement("route"), route->get_name()));
+ else if(next_route && !next_route->is_temporary())
+ st.push_back((DataFile::Statement("route"), next_route->get_name()));
+ }
+
+ if(timetable)
+ {
+ DataFile::Statement ss("timetable");
+ timetable->save(ss.sub);
+ st.push_back(ss);
+ }
+}
+
+void Train::loco_speed_event(unsigned addr, unsigned speed, bool)
+{
+ if(addr==address)
+ {
+ current_speed = speed;
+ speed_changing = false;
+ pure_speed = false;
+ }
+}
+
+void Train::loco_func_event(unsigned addr, unsigned func, bool state)
+{
+ if(addr==address || (addr==address+1 && loco_type.get_max_function()>4))
+ {
+ if(addr==address+1)
+ func += 4;
+ if(state)
+ functions |= 1<<func;
+ else
+ functions &= ~(1<<func);
+
+ signal_function_changed.emit(func, state);
+ }
+}
+
+void Train::sensor_event(unsigned addr, bool state)
+{
if(state)
{
+ // Find the first sensor block from our reserved blocks that isn't this sensor
list<BlockRef>::iterator i;
+ unsigned result = 0;
for(i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
- if(i->block->get_sensor_id() && i->block->get_sensor_id()!=addr)
- break;
+ if(i->block->get_sensor_id())
+ {
+ if(i->block->get_sensor_id()!=addr)
+ {
+ if(result==0)
+ result = 2;
+ else if(result==1)
+ break;
+ }
+ else if(result==0)
+ result = 1;
+ else if(result==2)
+ result = 3;
+ }
- if(i!=rsv_blocks.begin())
+ if(result==1 && i!=rsv_blocks.begin())
{
- real_speed=static_cast<int>(round(travel_dist/((Time::now()-last_entry_time)/Time::sec)*87*3.6/5))*5;
- set_status(format("Traveling %3d kmh", real_speed));
+ // Compute speed and update related state
+ float travel_time_secs = (Time::now()-last_entry_time)/Time::sec;
+
+ if(pure_speed)
+ {
+ RealSpeed &rs = real_speed[current_speed];
+ rs.add(travel_dist/travel_time_secs, travel_time_secs);
+ set_status(format("Traveling %d kmh", get_travel_speed()));
+ }
- travel_dist=0;
+ travel_dist = 0;
float block_len;
for(list<BlockRef>::iterator j=rsv_blocks.begin(); j!=i; ++j)
{
j->block->traverse(j->entry, &block_len);
- cout<<"Advancing: block "<<j->block<<" (sensor "<<j->block->get_sensor_id()<<") length "<<block_len<<'\n';
- travel_dist+=block_len;
+ travel_dist += block_len;
+
+ if(j->block->get_sensor_id()==addr)
+ {
+ const Block::Endpoint &bep = j->block->get_endpoints()[j->entry];
+ if(reverse)
+ {
+ Track *track = bep.track->get_link(bep.track_ep);
+ unsigned ep = track->get_endpoint_by_link(*bep.track);
+ vehicles.back()->place(track, ep, 0, Vehicle::BACK_AXLE);
+ }
+ else
+ vehicles.front()->place(bep.track, bep.track_ep, 0, Vehicle::FRONT_AXLE);
+ }
}
- last_entry_time=Time::now();
+ last_entry_time = Time::now();
+ pure_speed = true;
+ accurate_position = true;
+ overshoot_dist = 0;
+ // Check if we've reached the next route
+ if(next_route)
+ {
+ const set<const Track *> &rtracks = next_route->get_tracks();
+ for(list<BlockRef>::iterator j=rsv_blocks.begin(); j!=i; ++j)
+ if(rtracks.count(j->block->get_endpoints()[j->entry].track))
+ {
+ route = next_route;
+ next_route = 0;
+ // XXX Exceptions?
+ signal_route_changed.emit(route);
+ break;
+ }
+ }
+
+ // Move blocks up to the next sensor to our current blocks
cur_blocks.splice(cur_blocks.end(), rsv_blocks, rsv_blocks.begin(), i);
- cout<<"Train "<<name<<" advanced, "<<cur_blocks.size()<<" cur_blocks, "<<rsv_blocks.size()<<" rsv_blocks\n";
- }
- if(target_speed && !reserve_more() && rsv_blocks.empty())
- {
- loco.set_speed(0);
- try_reserve=Time::now()+2*Time::sec;
- set_status("Blocked");
+ // Try to get more blocks if we're moving
+ if(active)
+ {
+ unsigned nsens = reserve_more();
+ if(!nsens && end_of_route)
+ signal_arrived.emit();
+ }
}
+ else if(result==3)
+ layout.emergency("Sensor for "+name+" triggered out of order");
}
else
{
- cout<<"Train "<<name<<" finding blocks to free\n";
- list<BlockRef>::iterator i;
- for(i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
- {
- if(i->block->get_sensor_id()==addr)
+ // Find the first sensor in our current blocks that's still active
+ list<BlockRef>::iterator end = cur_blocks.begin();
+ for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
+ if(i->block->get_sensor_id())
{
- ++i;
- for(list<BlockRef>::iterator j=cur_blocks.begin(); j!=i; ++j)
- j->block->reserve(0);
- cout<<" "<<distance(cur_blocks.begin(), i)<<" blocks freed, ";
- cur_blocks.erase(cur_blocks.begin(), i);
- cout<<cur_blocks.size()<<" cur_blocks\n";
+ if(layout.get_driver().get_sensor(i->block->get_sensor_id()))
+ break;
+ else
+ {
+ end = i;
+ ++end;
+ }
}
- }
+
+ if(end!=cur_blocks.begin())
+ // Free blocks up to the last inactive sensor
+ release_blocks(cur_blocks, cur_blocks.begin(), end);
+ }
+}
- if(target_speed)
+void Train::turnout_event(unsigned addr, bool)
+{
+ if(pending_block)
+ {
+ unsigned pending_addr = pending_block->get_turnout_id();
+ bool double_addr = (*pending_block->get_tracks().begin())->get_type().is_double_address();
+ if(addr==pending_addr || (double_addr && addr==pending_addr+1))
reserve_more();
}
}
-bool Train::reserve_more()
+void Train::halt_event(bool h)
+{
+ if(h)
+ accurate_position = false;
+}
+
+void Train::block_reserved(const Block &block, const Train *train)
{
- BlockRef *last=0;
+ if(&block==pending_block && !train)
+ reserve_more();
+}
+
+unsigned Train::reserve_more()
+{
+ BlockRef *last = 0;
if(!rsv_blocks.empty())
- last=&rsv_blocks.back();
+ last = &rsv_blocks.back();
else if(!cur_blocks.empty())
- last=&cur_blocks.back();
+ last = &cur_blocks.back();
if(!last)
- return false;
+ return 0;
+
+ pending_block = 0;
- cout<<"Train "<<name<<" reserving more blocks\n";
+ // See how many sensor blocks we already have
+ unsigned nsens = 0;
+ for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
+ if(i->block->get_sensor_id())
+ ++nsens;
+
+ if(end_of_route)
+ return nsens;
- bool result=false;
- unsigned size=rsv_blocks.size();
- while(size<3)
+ const Route *cur_route = 0;
+ if(route)
{
- int exit=last->block->traverse(last->entry);
- if(exit>=0)
+ const set<Track *> &tracks = last->block->get_tracks();
+ for(set<Track *>::const_iterator i=tracks.begin(); (cur_route!=route && i!=tracks.end()); ++i)
{
- Block *link=last->block->get_link(exit);
- if(link && link->reserve(this))
+ if(route->get_tracks().count(*i))
+ cur_route = route;
+ else if(next_route && next_route->get_tracks().count(*i))
+ cur_route = next_route;
+ }
+ }
+
+ bool got_more = false;
+ BlockRef *good = last;
+ unsigned good_sens = nsens;
+ while(good_sens<3)
+ {
+ if(last->block->get_endpoints().size()<2)
+ {
+ good = last;
+ good_sens = nsens;
+ break;
+ }
+
+ // Traverse to the next block
+ unsigned exit = last->block->traverse(last->entry);
+ Block *link = last->block->get_link(exit);
+ if(!link)
+ break;
+
+ int entry = link->get_endpoint_by_link(*last->block);
+ if(entry<0)
+ throw LogicError("Block links are inconsistent!");
+
+ const Block::Endpoint &entry_ep = link->get_endpoints()[entry];
+
+ if(cur_route)
+ {
+ if(cur_route!=next_route && next_route && next_route->get_tracks().count(entry_ep.track))
+ cur_route = next_route;
+ else if(!cur_route->get_tracks().count(entry_ep.track))
{
- rsv_blocks.push_back(BlockRef(link, link->get_endpoint_by_link(*last->block)));
- last=&rsv_blocks.back();
- ++size;
- result=true;
+ // Keep the blocks if we arrived at the end of the route
+ good = last;
+ good_sens = nsens;
+ end_of_route = true;
+ break;
}
- else
+ }
+ else if(route && route->get_tracks().count(entry_ep.track))
+ cur_route = route;
+
+ if(!link->reserve(this))
+ {
+ // If we found another train and it's not headed straight for us, we can keep the blocks we got
+ int other_entry = link->get_train()->get_entry_to_block(*link);
+ if(other_entry<0)
+ throw LogicError("Block reservation inconsistency");
+ if(static_cast<unsigned>(entry)!=link->traverse(other_entry))
+ {
+ good = last;
+ good_sens = nsens;
+ }
+ pending_block = link;
+ break;
+ }
+
+ if(link->get_turnout_id())
+ {
+ const Endpoint &track_ep = entry_ep.track->get_type().get_endpoints()[entry_ep.track_ep];
+
+ // Keep the blocks reserved so far, as either us or the other train can diverge
+ good = last;
+ good_sens = nsens;
+
+ // Figure out what path we'd like to take on the turnout
+ int path = -1;
+ if(cur_route)
+ path = cur_route->get_turnout(link->get_turnout_id());
+ if(path<0)
+ path = entry_ep.track->get_active_path();
+ if(!((track_ep.paths>>path)&1))
+ {
+ for(unsigned i=0; track_ep.paths>>i; ++i)
+ if((track_ep.paths>>i)&1)
+ path = i;
+ }
+
+ if(path!=static_cast<int>(entry_ep.track->get_active_path()))
+ {
+ // The turnout is set to wrong path - switch and wait for it
+ link->reserve(0);
+ pending_block = link;
+ entry_ep.track->set_active_path(path);
break;
+ }
}
- else
+
+ rsv_blocks.push_back(BlockRef(link, entry));
+ last = &rsv_blocks.back();
+ if(last->block->get_sensor_id())
+ {
+ ++nsens;
+ got_more = true;
+ }
+ }
+
+ // Unreserve blocks that were not good
+ while(!rsv_blocks.empty() && last!=good)
+ {
+ last->block->reserve(0);
+ rsv_blocks.erase(--rsv_blocks.end());
+ if(!rsv_blocks.empty())
+ last = &rsv_blocks.back();
+ }
+
+ // Make any sensorless blocks at the beginning immediately current
+ list<BlockRef>::iterator i;
+ for(i=rsv_blocks.begin(); (i!=rsv_blocks.end() && !i->block->get_sensor_id()); ++i) ;
+ if(i!=rsv_blocks.begin())
+ cur_blocks.splice(cur_blocks.end(), rsv_blocks, rsv_blocks.begin(), i);
+
+ return good_sens;
+}
+
+float Train::get_real_speed(unsigned i) const
+{
+ if(real_speed[i].weight)
+ return real_speed[i].speed;
+
+ unsigned low;
+ unsigned high;
+ for(low=i; low>0; --low)
+ if(real_speed[low].weight)
+ break;
+ for(high=i; high<14; ++high)
+ if(real_speed[high].weight)
break;
+
+ if(real_speed[high].weight)
+ {
+ if(real_speed[low].weight)
+ {
+ float f = float(i-low)/(high-low);
+ return real_speed[low].speed*(1-f)+real_speed[high].speed*f;
+ }
+ else
+ return real_speed[high].speed*float(i)/high;
}
+ else if(real_speed[low].weight)
+ return real_speed[low].speed*float(i)/low;
+ else
+ return 0;
+}
- cout<<" "<<rsv_blocks.size()<<" rsv_blocks\n";
+unsigned Train::find_speed(float real) const
+{
+ if(real<=real_speed[0].speed)
+ return 0;
- return result;
+ unsigned low = 0;
+ unsigned high = 0;
+ for(unsigned i=0; (!high && i<=14); ++i)
+ if(real_speed[i].weight)
+ {
+ if(real_speed[i].speed<real)
+ low = i;
+ else
+ high = i;
+ }
+ if(!high)
+ {
+ if(!low)
+ return 0;
+ return min(static_cast<unsigned>(low*real/real_speed[low].speed), 14U);
+ }
+
+ float f = (real-real_speed[low].speed)/(real_speed[high].speed-real_speed[low].speed);
+ return static_cast<unsigned>(low*(1-f)+high*f+0.5);
+}
+
+float Train::get_travel_speed() const
+{
+ float speed = get_real_speed(current_speed);
+ float scale = layout.get_catalogue().get_scale();
+ return static_cast<int>(round(speed/scale*3.6/5))*5;
}
void Train::set_status(const string &s)
{
- status=s;
+ status = s;
signal_status_changed.emit(s);
}
+void Train::release_blocks(list<BlockRef> &blocks)
+{
+ release_blocks(blocks, blocks.begin(), blocks.end());
+}
+
+void Train::release_blocks(list<BlockRef> &blocks, list<BlockRef>::iterator begin, list<BlockRef>::iterator end)
+{
+ while(begin!=end)
+ {
+ Block *block = begin->block;
+ blocks.erase(begin++);
+ block->reserve(0);
+ }
+}
+
+void Train::reverse_blocks(list<BlockRef> &blocks) const
+{
+ blocks.reverse();
+ for(list<BlockRef>::iterator i=blocks.begin(); i!=blocks.end(); ++i)
+ i->entry = i->block->traverse(i->entry);
+}
+
+
+Train::BlockRef::BlockRef(Block *b, unsigned e):
+ block(b),
+ entry(e)
+{ }
+
+Train::BlockRef Train::BlockRef::next() const
+{
+ Block *blk = block->get_endpoints()[block->traverse(entry)].link;
+ if(!blk)
+ throw InvalidState("At end of line");
+
+ int ep = blk->get_endpoint_by_link(*block);
+ if(ep<0)
+ throw LogicError("Block links are inconsistent");
+
+ return BlockRef(blk, ep);
+}
+
+
+Train::RealSpeed::RealSpeed():
+ speed(0),
+ weight(0)
+{ }
+
+void Train::RealSpeed::add(float s, float w)
+{
+ speed = (speed*weight+s*w)/(weight+w);
+ weight = min(weight+w, 300.0f);
+}
+
+
+Train::Loader::Loader(Train &t):
+ DataFile::BasicLoader<Train>(t),
+ prev_block(0)
+{
+ add("block", &Loader::block);
+ add("block_hint", &Loader::block_hint);
+ add("name", &Loader::name);
+ add("real_speed", &Loader::real_speed);
+ add("route", &Loader::route);
+ add("timetable", &Loader::timetable);
+ add("vehicle", &Loader::vehicle);
+}
+
+void Train::Loader::block(unsigned id)
+{
+ Block &blk = obj.layout.get_block(id);
+ int entry = -1;
+ if(prev_block)
+ entry = blk.get_endpoint_by_link(*prev_block);
+ if(entry<0)
+ entry = 0;
+
+ blk.reserve(&obj);
+ obj.cur_blocks.push_back(BlockRef(&blk, entry));
+ obj.set_status("Stopped");
+ const Block::Endpoint &bep = blk.get_endpoints()[entry];
+ obj.vehicles.front()->place(bep.track, bep.track_ep, 0, Vehicle::BACK_BUFFER);
+
+ if(blk.get_sensor_id())
+ obj.layout.get_driver().set_sensor(blk.get_sensor_id(), true);
+
+ prev_block = &blk;
+}
+
+void Train::Loader::block_hint(unsigned id)
+{
+ prev_block = &obj.layout.get_block(id);
+}
+
+void Train::Loader::name(const string &n)
+{
+ obj.set_name(n);
+}
+
+void Train::Loader::real_speed(unsigned i, float speed, float weight)
+{
+ obj.real_speed[i].speed = speed;
+ obj.real_speed[i].weight = weight;
+}
+
+void Train::Loader::route(const string &n)
+{
+ obj.set_route(&obj.layout.get_route(n));
+}
+
+void Train::Loader::timetable()
+{
+ if(obj.timetable)
+ throw InvalidState("A timetable has already been loaded");
+
+ obj.timetable = new Timetable(obj);
+ load_sub(*obj.timetable);
+}
+
+void Train::Loader::vehicle(unsigned n)
+{
+ const VehicleType &vtype = obj.layout.get_catalogue().get_vehicle(n);
+ Vehicle *veh = new Vehicle(obj.layout, vtype);
+ obj.vehicles.back()->attach_back(*veh);
+ obj.vehicles.push_back(veh);
+}
+
} // namespace Marklin
projects / r2c2.git / blobdiff