X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibmarklin%2Ftrain.cpp;h=93470997133a6e534736f6f6d71b256e0533bc13;hb=77f8c0e033b9b5e7085de5d22a62128a996a5b2a;hp=973cc07e8c5a234c9d0e11094b810585ba693344;hpb=c5b6976004967e9e0a3c43ad025ebfa096894f3f;p=r2c2.git diff --git a/source/libmarklin/train.cpp b/source/libmarklin/train.cpp index 973cc07..9347099 100644 --- a/source/libmarklin/train.cpp +++ b/source/libmarklin/train.cpp @@ -13,23 +13,24 @@ Distributed under the GPL #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" +#include "vehicletype.h" using namespace std; using namespace Msp; namespace Marklin { -Train::Train(Layout &l, const LocoType &t, unsigned a): +Train::Train(Layout &l, const VehicleType &t, unsigned a): layout(l), loco_type(t), address(a), + priority(0), pending_block(0), control(new AIControl(*this, new SimplePhysics)), timetable(0), @@ -48,6 +49,9 @@ Train::Train(Layout &l, const LocoType &t, unsigned a): accurate_position(false), overshoot_dist(false) { + if(!loco_type.is_locomotive()) + throw InvalidParameterValue("Initial vehicle must be a locomotive"); + vehicles.push_back(new Vehicle(layout, loco_type)); layout.add_train(*this); @@ -62,7 +66,7 @@ Train::Train(Layout &l, const LocoType &t, unsigned a): layout.get_driver().signal_halt.connect(sigc::mem_fun(this, &Train::halt_event)); - control->signal_control_changed.connect(signal_control_changed); + control->signal_control_changed.connect(sigc::mem_fun(this, &Train::control_changed)); } Train::~Train() @@ -81,6 +85,35 @@ void Train::set_name(const string &n) signal_name_changed.emit(name); } +void Train::set_priority(int p) +{ + priority = p; +} + +void Train::add_vehicle(const VehicleType &vt) +{ + Vehicle *veh = new Vehicle(layout, vt); + vehicles.back()->attach_back(*veh); + vehicles.push_back(veh); +} + +void Train::remove_vehicle(unsigned i) +{ + if(i>=vehicles.size()) + throw InvalidParameterValue("Vehicle index out of range"); + if(i==0) + throw InvalidParameterValue("Can't remove the locomotive"); + delete vehicles[i]; + vehicles.erase(vehicles.begin()+i); + if(iattach_back(*vehicles[i]); +} + +unsigned Train::get_n_vehicles() const +{ + return vehicles.size(); +} + Vehicle &Train::get_vehicle(unsigned i) { if(i>=vehicles.size()) @@ -130,11 +163,27 @@ void Train::set_function(unsigned func, bool state) layout.get_driver().set_loco_function(address+1, func-4, state); } +float Train::get_control(const string &ctrl) const +{ + return control->get_control(ctrl).value; +} + +float Train::get_speed() const +{ + return control->get_speed(); +} + bool Train::get_function(unsigned func) const { return (functions>>func)&1; } +void Train::set_timetable(Timetable *tt) +{ + delete timetable; + timetable = tt; +} + void Train::set_route(const Route *r) { if(!rsv_blocks.empty()) @@ -163,8 +212,7 @@ void Train::set_route(const Route *r) } } - if(active) - reserve_more(); + reserve_more(); signal_route_changed.emit(route); } @@ -320,12 +368,12 @@ void Train::tick(const Time::TimeStamp &t, const Time::TimeDelta &dt) timetable->tick(t); control->tick(dt); float speed = control->get_speed(); - unsigned speed_notch = find_speed(abs(speed)); + unsigned speed_notch = find_speed(speed); - if(speed && (speed<0)!=reverse) + if(control->get_reverse()!=reverse) { - driver.set_loco_reverse(address, speed<0); - reverse = speed<0; + reverse = control->get_reverse(); + driver.set_loco_reverse(address, reverse); release_blocks(rsv_blocks); reverse_blocks(cur_blocks); @@ -370,14 +418,65 @@ void Train::tick(const Time::TimeStamp &t, const Time::TimeDelta &dt) } } } - else if(end_of_route) + else if(end_of_route && rsv_blocks.empty()) + { + signal_arrived.emit(); set_route(0); + } + + if(!cur_blocks.empty() && !cur_blocks.front().block->get_sensor_id()) + { + Vehicle &veh = *(reverse ? vehicles.front() : vehicles.back()); + + list::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::save(list &st) const { st.push_back((DataFile::Statement("name"), name)); + st.push_back((DataFile::Statement("priority"), priority)); + for(vector::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())); @@ -415,6 +514,11 @@ void Train::save(list &st) const } } +void Train::control_changed(const TrainControl &ctrl) +{ + signal_control_changed.emit(ctrl.name, ctrl.value); +} + void Train::loco_speed_event(unsigned addr, unsigned speed, bool) { if(addr==address) @@ -470,8 +574,11 @@ void Train::sensor_event(unsigned addr, bool state) if(pure_speed) { - RealSpeed &rs = real_speed[current_speed]; - rs.add(travel_dist/travel_time_secs, travel_time_secs); + if(current_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())); } @@ -520,11 +627,7 @@ void Train::sensor_event(unsigned addr, bool state) // Try to get more blocks if we're moving if(active) - { - unsigned nsens = reserve_more(); - if(!nsens && end_of_route) - signal_arrived.emit(); - } + reserve_more(); } else if(result==3) layout.emergency("Sensor for "+name+" triggered out of order"); @@ -539,15 +642,15 @@ void Train::sensor_event(unsigned addr, bool state) 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 - ++end; release_blocks(cur_blocks, cur_blocks.begin(), end); - } } } @@ -576,6 +679,9 @@ void Train::block_reserved(const Block &block, const Train *train) unsigned Train::reserve_more() { + if(!active) + return 0; + BlockRef *last = 0; if(!rsv_blocks.empty()) last = &rsv_blocks.back(); @@ -613,13 +719,6 @@ unsigned Train::reserve_more() 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); @@ -648,19 +747,35 @@ unsigned Train::reserve_more() else if(route && route->get_tracks().count(entry_ep.track)) cur_route = route; - if(!link->reserve(this)) + if(link->get_endpoints().size()<2) { - // 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(entry)!=link->traverse(other_entry)) + good = last; + good_sens = nsens; + break; + } + + bool reserved = link->reserve(this); + if(!reserved) + { + // Ask a lesser priority train to free the block for us + if(link->get_train()->get_priority()get_train()->free_block(*link)) + reserved = link->reserve(this); + + if(!reserved) { - good = last; - good_sens = nsens; + // 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(entry)!=link->traverse(other_entry)) + { + good = last; + good_sens = nsens; + } + pending_block = link; + break; } - pending_block = link; - break; } if(link->get_turnout_id()) @@ -769,7 +884,12 @@ unsigned Train::find_speed(float real) const if(!high) { if(!low) - return 0; + { + if(real) + return 3; + else + return 0; + } return min(static_cast(low*real/real_speed[low].speed), 14U); } @@ -846,41 +966,72 @@ void Train::RealSpeed::add(float s, float w) Train::Loader::Loader(Train &t): DataFile::BasicLoader(t), - prev_block(0) + prev_block(0), + blocks_valid(true) { add("block", &Loader::block); add("block_hint", &Loader::block_hint); add("name", &Loader::name); + add("priority", &Train::priority); add("real_speed", &Loader::real_speed); add("route", &Loader::route); add("timetable", &Loader::timetable); add("vehicle", &Loader::vehicle); } +void Train::Loader::finish() +{ + if(!obj.cur_blocks.empty()) + { + const BlockRef &blkref = obj.cur_blocks.front(); + const Block::Endpoint &bep = blkref.block->get_endpoints()[blkref.entry]; + obj.vehicles.back()->place(bep.track, bep.track_ep, 0, Vehicle::BACK_BUFFER); + + obj.set_status("Stopped"); + } +} + void Train::Loader::block(unsigned id) { - Block &blk = obj.layout.get_block(id); + if(!blocks_valid) + return; + + Block *blk; + try + { + blk = &obj.layout.get_block(id); + } + catch(const KeyError &) + { + blocks_valid = false; + return; + } + int entry = -1; if(prev_block) - entry = blk.get_endpoint_by_link(*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); + blk->reserve(&obj); + obj.cur_blocks.push_back(BlockRef(blk, entry)); - if(blk.get_sensor_id()) - obj.layout.get_driver().set_sensor(blk.get_sensor_id(), true); + if(blk->get_sensor_id()) + obj.layout.get_driver().set_sensor(blk->get_sensor_id(), true); - prev_block = &blk; + prev_block = blk; } void Train::Loader::block_hint(unsigned id) { - prev_block = &obj.layout.get_block(id); + try + { + prev_block = &obj.layout.get_block(id); + } + catch(const KeyError &) + { + blocks_valid = false; + } } void Train::Loader::name(const string &n)