X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibmarklin%2Ftrain.cpp;h=7af10280228fa751970c4df739f1506400dc7271;hb=e1e5bf92fc73bd117c509ceea1c7de7d95288a7d;hp=7d6afbae1f1c074ad281712ae43cde0be3888460;hpb=7839b7c3d782abb5c98a24d51cae109407068c02;p=r2c2.git diff --git a/source/libmarklin/train.cpp b/source/libmarklin/train.cpp index 7d6afba..7af1028 100644 --- a/source/libmarklin/train.cpp +++ b/source/libmarklin/train.cpp @@ -11,6 +11,7 @@ Distributed under the GPL #include #include "control.h" #include "except.h" +#include "route.h" #include "tracktype.h" #include "trafficmanager.h" #include "train.h" @@ -18,8 +19,6 @@ Distributed under the GPL using namespace std; using namespace Msp; -#include - namespace Marklin { Train::Train(TrafficManager &tm, Locomotive &l): @@ -30,49 +29,62 @@ Train::Train(TrafficManager &tm, Locomotive &l): travel_dist(0), travel_speed(0), pure_speed(false), - speed_scale(0.02), - speed_scale_weight(0), + real_speed(15), cur_track(0) { trfc_mgr.add_train(this); - const map &sensors=trfc_mgr.get_control().get_sensors(); + loco.signal_reverse_changed.connect(sigc::mem_fun(this, &Train::locomotive_reverse_changed)); + + const map &sensors = trfc_mgr.get_control().get_sensors(); for(map::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)); - const map &turnouts=trfc_mgr.get_control().get_turnouts(); + const map &turnouts = trfc_mgr.get_control().get_turnouts(); for(map::const_iterator i=turnouts.begin(); i!=turnouts.end(); ++i) { - i->second->signal_route_changing.connect(sigc::bind(sigc::mem_fun(this, &Train::turnout_route_changing), i->second)); - i->second->signal_route_changed.connect(sigc::bind(sigc::mem_fun(this, &Train::turnout_route_changed), i->second)); + i->second->signal_path_changing.connect(sigc::bind(sigc::mem_fun(this, &Train::turnout_path_changing), i->second)); + i->second->signal_path_changed.connect(sigc::bind(sigc::mem_fun(this, &Train::turnout_path_changed), i->second)); } } void Train::set_name(const string &n) { - name=n; + name = n; signal_name_changed.emit(name); } void Train::set_speed(unsigned speed) { - if(!target_speed && speed) - travel_speed=static_cast(round(speed*speed_scale*87*3.6/5))*5; + if(speed==target_speed) + return; + travel_speed = static_cast(round(get_real_speed(speed)*87*3.6/5))*5; - target_speed=speed; + 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::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i) - i->block->reserve(0); - rsv_blocks.clear(); + trfc_mgr.get_control().set_timer(3*Time::sec).signal_timeout.connect( + sigc::bind_return(sigc::mem_fun(this, &Train::release_reserved_blocks), false)); } else reserve_more(); + signal_target_speed_changed.emit(target_speed); + update_speed(); - pure_speed=false; + pure_speed = false; +} + +void Train::set_reverse(bool rev) +{ + loco.set_reverse(rev); +} + +void Train::set_route(const Route *r) +{ + route = r; + signal_route_changed.emit(route); } void Train::place(Block *block, unsigned entry) @@ -80,13 +92,13 @@ void Train::place(Block *block, unsigned entry) for(list::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end();) { i->block->reserve(0); - i=rsv_blocks.erase(i); + i = rsv_blocks.erase(i); } for(list::iterator i=cur_blocks.begin(); i!=cur_blocks.end();) { i->block->reserve(0); - i=cur_blocks.erase(i); + i = cur_blocks.erase(i); } if(!block->reserve(this)) @@ -103,7 +115,7 @@ void Train::place(Block *block, unsigned entry) bool Train::free_block(Block *block) { - unsigned nsens=0; + unsigned nsens = 0; for(list::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i) { if(i->block==block) @@ -113,7 +125,7 @@ bool Train::free_block(Block *block) while(i!=rsv_blocks.end()) { i->block->reserve(0); - i=rsv_blocks.erase(i); + i = rsv_blocks.erase(i); } update_speed(); return true; @@ -135,40 +147,63 @@ void Train::tick(const Time::TimeStamp &t, const Time::TimeDelta &dt) if(cur_track) { - unsigned route=0; + unsigned path = 0; if(cur_track->get_turnout_id()) - route=trfc_mgr.get_control().get_turnout(cur_track->get_turnout_id()).get_route(); + path = trfc_mgr.get_control().get_turnout(cur_track->get_turnout_id()).get_path(); - offset+=speed_scale*loco.get_speed()*(dt/Time::sec); - if(offset>cur_track->get_type().get_route_length(route)) + offset += get_real_speed(loco.get_speed())*(dt/Time::sec); + if(offset>cur_track->get_type().get_path_length(path)) { - int out=cur_track->traverse(cur_track_ep, route); + int out = cur_track->traverse(cur_track_ep, path); if(out>=0) { - Track *next=cur_track->get_link(out); + Track *next = cur_track->get_link(out); if(next) - cur_track_ep=next->get_endpoint_by_link(*cur_track); - cur_track=next; - offset=0; + cur_track_ep = next->get_endpoint_by_link(*cur_track); + cur_track = next; + offset = 0; } else - cur_track=0; + cur_track = 0; } if(cur_track) - pos=cur_track->get_point(cur_track_ep, route, offset); + pos = cur_track->get_point(cur_track_ep, path, offset); } } void Train::save(list &st) const { st.push_back((DataFile::Statement("name"), name)); - st.push_back((DataFile::Statement("speed_scale"), speed_scale, speed_scale_weight)); + 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)); +} + +void Train::locomotive_reverse_changed(bool) +{ + for(list::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i) + i->block->reserve(0); + rsv_blocks.clear(); + cur_blocks.reverse(); + for(list::iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i) + i->entry = i->block->traverse(i->entry); + reserve_more(); + update_speed(); + + if(cur_track) + { + unsigned path = 0; + if(unsigned turnout = cur_track->get_turnout_id()) + path = trfc_mgr.get_control().get_turnout(turnout).get_path(); + cur_track_ep = cur_track->traverse(cur_track_ep, path); + offset = cur_track->get_type().get_path_length(path)-offset; + } } void Train::sensor_event(bool state, Sensor *sensor) { - unsigned addr=sensor->get_address(); + unsigned addr = sensor->get_address(); if(state) { @@ -179,32 +214,24 @@ void Train::sensor_event(bool state, Sensor *sensor) if(i!=rsv_blocks.begin()) { - float travel_time_secs=(Time::now()-last_entry_time)/Time::sec; - travel_speed=static_cast(round(travel_dist/travel_time_secs*87*3.6/5))*5; + float travel_time_secs = (Time::now()-last_entry_time)/Time::sec; + travel_speed = static_cast(round(travel_dist/travel_time_secs*87*3.6/5))*5; if(pure_speed) { - float weight=loco.get_speed()*travel_dist; - if(weight) - { - weight*=weight; - float scale=travel_dist/travel_time_secs/loco.get_speed(); - cout<<"Updating speed_scale: "<::iterator j=rsv_blocks.begin(); j!=i; ++j) { j->block->traverse(j->entry, &block_len); - travel_dist+=block_len; + travel_dist += block_len; } - last_entry_time=Time::now(); - pure_speed=true; + last_entry_time = Time::now(); + pure_speed = true; cur_blocks.splice(cur_blocks.end(), rsv_blocks, rsv_blocks.begin(), i); } @@ -222,12 +249,15 @@ void Train::sensor_event(bool state, Sensor *sensor) else { for(list::iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i) - if(i->block->get_sensor_id()==addr) + if(unsigned b_addr = i->block->get_sensor_id()) { - ++i; - for(list::iterator j=cur_blocks.begin(); j!=i; ++j) - j->block->reserve(0); - cur_blocks.erase(cur_blocks.begin(), i); + if(b_addr==addr) + { + ++i; + for(list::iterator j=cur_blocks.begin(); j!=i; ++j) + j->block->reserve(0); + cur_blocks.erase(cur_blocks.begin(), i); + } break; } @@ -236,14 +266,14 @@ void Train::sensor_event(bool state, Sensor *sensor) } } -void Train::turnout_route_changing(unsigned, Turnout *turnout) +void Train::turnout_path_changing(unsigned, Turnout *turnout) { - unsigned tid=turnout->get_address(); + unsigned tid = turnout->get_address(); for(list::const_iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i) if(i->block->get_turnout_id()==tid) throw TurnoutBusy(this); - unsigned nsens=0; + unsigned nsens = 0; for(list::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i) { if(i->block->get_turnout_id()==tid) @@ -257,16 +287,16 @@ void Train::turnout_route_changing(unsigned, Turnout *turnout) } } -void Train::turnout_route_changed(unsigned, Turnout *turnout) +void Train::turnout_path_changed(unsigned, Turnout *turnout) { - unsigned tid=turnout->get_address(); + unsigned tid = turnout->get_address(); for(list::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i) if(i->block->get_turnout_id()==tid) { while(i!=rsv_blocks.end()) { i->block->reserve(0); - i=rsv_blocks.erase(i); + i = rsv_blocks.erase(i); } reserve_more(); update_speed(); @@ -276,51 +306,53 @@ void Train::turnout_route_changed(unsigned, Turnout *turnout) unsigned Train::reserve_more() { - BlockRef *last=0; + 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 0; - unsigned nsens=0; + unsigned nsens = 0; for(list::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i) if(i->block->get_sensor_id()) ++nsens; - bool result=false; + bool result = false; while(nsens<2) { - int exit=last->block->traverse(last->entry); - if(exit>=0) + int exit = last->block->traverse(last->entry); + if(exit<0) + break; + + Block *link = last->block->get_link(exit); + if(!link || !link->reserve(this)) + break; + + if(route && link->get_turnout_id()) { - Block *link=last->block->get_link(exit); - if(link && link->reserve(this)) - { - rsv_blocks.push_back(BlockRef(link, link->get_endpoint_by_link(*last->block))); - last=&rsv_blocks.back(); - if(last->block->get_sensor_id()) - { - ++nsens; - result=true; - } - } - else - break; + int path = route->get_turnout(link->get_turnout_id()); + if(path>=0) + trfc_mgr.get_control().get_turnout(link->get_turnout_id()).set_path(path); + } + rsv_blocks.push_back(BlockRef(link, link->get_endpoint_by_link(*last->block))); + last = &rsv_blocks.back(); + if(last->block->get_sensor_id()) + { + ++nsens; + result = true; } - else - break; } - while(last && !last->block->get_sensor_id()) + while(!rsv_blocks.empty() && !last->block->get_sensor_id()) { last->block->reserve(0); rsv_blocks.erase(--rsv_blocks.end()); if(!rsv_blocks.empty()) - last=&rsv_blocks.back(); + last = &rsv_blocks.back(); else - last=0; + last = 0; } return nsens; @@ -331,51 +363,127 @@ void Train::update_speed() if(!target_speed) { loco.set_speed(0); - try_reserve=Time::TimeStamp(); + try_reserve = Time::TimeStamp(); set_status("Stopped"); } else { - unsigned nsens=0; + unsigned nsens = 0; for(list::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i) if(i->block->get_sensor_id()) ++nsens; + unsigned slow_speed = find_speed(0.1); // 31.3 km/h if(nsens==0) { loco.set_speed(0); - pure_speed=false; - try_reserve=Time::now()+2*Time::sec; + pure_speed = false; + try_reserve = Time::now()+2*Time::sec; set_status("Blocked"); } - else if(nsens==1 && target_speed>3) + else if(nsens==1 && target_speed>slow_speed) { - loco.set_speed(3); - pure_speed=false; - try_reserve=Time::now()+2*Time::sec; + loco.set_speed(slow_speed); + pure_speed = false; + try_reserve = Time::now()+2*Time::sec; set_status("Slow"); } else { loco.set_speed(target_speed); - try_reserve=Time::TimeStamp(); + try_reserve = Time::TimeStamp(); set_status(format("Traveling %d kmh", travel_speed)); } } } +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; +} + +unsigned Train::find_speed(float real) const +{ + if(real<=real_speed[0].speed) + return 0; + + unsigned low = 0; + unsigned high = 0; + for(unsigned i=0; (!high && i<=14); ++i) + if(real_speed[i].weight) + { + if(real_speed[i].speed(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(low*(1-f)+high*f+0.5); +} + void Train::set_status(const string &s) { - status=s; + status = s; signal_status_changed.emit(s); } void Train::set_position(const Block::Endpoint &bep) { - cur_track=bep.track; - cur_track_ep=bep.track_ep; - offset=0; - pos=cur_track->get_endpoint_position(cur_track_ep); + cur_track = bep.track; + cur_track_ep = bep.track_ep; + offset = 0; + pos = cur_track->get_endpoint_position(cur_track_ep); +} + +void Train::release_reserved_blocks() +{ + for(list::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i) + i->block->reserve(0); + rsv_blocks.clear(); +} + + +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); } @@ -383,7 +491,13 @@ Train::Loader::Loader(Train &t): DataFile::BasicLoader(t) { add("name", &Train::name); - add("speed_scale", &Train::speed_scale, &Train::speed_scale_weight); + add("real_speed", &Loader::real_speed); +} + +void Train::Loader::real_speed(unsigned i, float speed, float weight) +{ + obj.real_speed[i].speed = speed; + obj.real_speed[i].weight = weight; } } // namespace Marklin