std::pair<MSVehicle* const, SUMOReal>
MSLaneChanger::getRealLeader(const ChangerIt& target) const {
// get the leading vehicle on the lane to change to
MSVehicle* neighLead = target->lead;
//if (veh(myCandi)->getID() == "disabled") std::cout << SIMTIME
// << " target=" << target->lane->getID()
// << " neighLead=" << Named::getIDSecure(neighLead)
// << " hopped=" << Named::getIDSecure(target->hoppedVeh)
// << " (416)\n";
// check whether the hopped vehicle became the leader
if (target->hoppedVeh != 0) {
SUMOReal hoppedPos = target->hoppedVeh->getPositionOnLane();
if (hoppedPos > veh(myCandi)->getPositionOnLane() && (neighLead == 0 || neighLead->getPositionOnLane() > hoppedPos)) {
neighLead = target->hoppedVeh;
//if (veh(myCandi)->getID() == "flow.21") std::cout << SIMTIME << " neighLead=" << Named::getIDSecure(neighLead) << " (422)\n";
}
}
if (neighLead == 0) {
MSLane* targetLane = target->lane;
if (targetLane->myPartialVehicles.size() > 0) {
assert(targetLane->myPartialVehicles.size() == 1);
MSVehicle* leader = targetLane->myPartialVehicles.front();
return std::pair<MSVehicle*, SUMOReal>(leader, leader->getBackPositionOnLane(targetLane) - veh(myCandi)->getPositionOnLane() - veh(myCandi)->getVehicleType().getMinGap());
}
SUMOReal seen = myCandi->lane->getLength() - veh(myCandi)->getPositionOnLane();
SUMOReal speed = veh(myCandi)->getSpeed();
SUMOReal dist = veh(myCandi)->getCarFollowModel().brakeGap(speed) + veh(myCandi)->getVehicleType().getMinGap();
if (seen > dist) {
return std::pair<MSVehicle* const, SUMOReal>(static_cast<MSVehicle*>(0), -1);
}
const std::vector<MSLane*>& bestLaneConts = veh(myCandi)->getBestLanesContinuation(targetLane);
//if (veh(myCandi)->getID() == "flow.21") std::cout << SIMTIME << " calling getLeaderOnConsecutive (443)\n";
return target->lane->getLeaderOnConsecutive(dist, seen, speed, *veh(myCandi), bestLaneConts);
} else {
MSVehicle* candi = veh(myCandi);
return std::pair<MSVehicle* const, SUMOReal>(neighLead, neighLead->getBackPositionOnLane(target->lane) - candi->getPositionOnLane() - candi->getVehicleType().getMinGap());
}
}
std::pair<MSVehicle* const, SUMOReal>
MSLaneChanger::getRealLeader(const ChangerIt& target) const {
assert(veh(myCandi) != 0);
#ifdef DEBUG_SURROUNDING_VEHICLES
MSVehicle* vehicle = veh(myCandi);
if (DEBUG_COND) {
std::cout << SIMTIME << " veh '" << vehicle->getID() << "' looks for leader on lc-target lane '" << target->lane->getID() << "'." << std::endl;
}
#endif
// get the leading vehicle on the lane to change to
MSVehicle* neighLead = target->lead;
#ifdef DEBUG_SURROUNDING_VEHICLES
if (DEBUG_COND) {
if (neighLead != 0) {
std::cout << "Considering '" << neighLead->getID() << "' at position " << neighLead->getPositionOnLane() << std::endl;
}
}
#endif
//if (veh(myCandi)->getID() == "disabled") std::cout << SIMTIME
// << " target=" << target->lane->getID()
// << " neighLead=" << Named::getIDSecure(neighLead)
// << " hopped=" << Named::getIDSecure(target->hoppedVeh)
// << " (416)\n";
// check whether the hopped vehicle became the leader
if (target->hoppedVeh != 0) {
SUMOReal hoppedPos = target->hoppedVeh->getPositionOnLane();
#ifdef DEBUG_SURROUNDING_VEHICLES
if (DEBUG_COND) {
std::cout << "Considering hopped vehicle '" << target->hoppedVeh->getID() << "' at position " << hoppedPos << std::endl;
}
#endif
if (hoppedPos > veh(myCandi)->getPositionOnLane() && (neighLead == 0 || neighLead->getPositionOnLane() > hoppedPos)) {
neighLead = target->hoppedVeh;
//if (veh(myCandi)->getID() == "flow.21") std::cout << SIMTIME << " neighLead=" << Named::getIDSecure(neighLead) << " (422)\n";
}
}
if (neighLead == 0) {
#ifdef DEBUG_SURROUNDING_VEHICLES
if (DEBUG_COND) {
std::cout << "Looking for leader on consecutive lanes." << std::endl;
}
#endif
// There's no leader on the target lane. Look for leaders on consecutive lanes.
MSLane* targetLane = target->lane;
if (targetLane->myPartialVehicles.size() > 0) {
assert(targetLane->myPartialVehicles.size() > 0);
std::vector<MSVehicle*>::const_iterator i = targetLane->myPartialVehicles.begin();
MSVehicle* leader = *i;
SUMOReal leaderPos = leader->getBackPositionOnLane(targetLane);
while (++i != targetLane->myPartialVehicles.end()) {
if ((*i)->getBackPositionOnLane(targetLane) < leader->getBackPositionOnLane(targetLane)) {
leader = *i;
leaderPos = leader->getBackPositionOnLane(targetLane);
}
}
return std::pair<MSVehicle*, SUMOReal>(leader, leaderPos - veh(myCandi)->getPositionOnLane() - veh(myCandi)->getVehicleType().getMinGap());
}
SUMOReal seen = myCandi->lane->getLength() - veh(myCandi)->getPositionOnLane();
SUMOReal speed = veh(myCandi)->getSpeed();
SUMOReal dist = veh(myCandi)->getCarFollowModel().brakeGap(speed) + veh(myCandi)->getVehicleType().getMinGap();
if (seen > dist) {
return std::pair<MSVehicle* const, SUMOReal>(static_cast<MSVehicle*>(0), -1);
}
const std::vector<MSLane*>& bestLaneConts = veh(myCandi)->getBestLanesContinuation(targetLane);
return target->lane->getLeaderOnConsecutive(dist, seen, speed, *veh(myCandi), bestLaneConts);
} else {
MSVehicle* candi = veh(myCandi);
return std::pair<MSVehicle* const, SUMOReal>(neighLead, neighLead->getBackPositionOnLane(target->lane) - candi->getPositionOnLane() - candi->getVehicleType().getMinGap());
}
}