MSLane*
MSEdge::getDepartLane(MSVehicle& veh) const {
switch (veh.getParameter().departLaneProcedure) {
case DEPART_LANE_GIVEN:
if ((int) myLanes->size() <= veh.getParameter().departLane || !(*myLanes)[veh.getParameter().departLane]->allowsVehicleClass(veh.getVehicleType().getVehicleClass())) {
return 0;
}
return (*myLanes)[veh.getParameter().departLane];
case DEPART_LANE_RANDOM:
return RandHelper::getRandomFrom(*allowedLanes(veh.getVehicleType().getVehicleClass()));
case DEPART_LANE_FREE:
return getFreeLane(0, veh.getVehicleType().getVehicleClass());
case DEPART_LANE_ALLOWED_FREE:
if (veh.getRoute().size() == 1) {
return getFreeLane(0, veh.getVehicleType().getVehicleClass());
} else {
return getFreeLane(allowedLanes(**(veh.getRoute().begin() + 1)), veh.getVehicleType().getVehicleClass());
}
case DEPART_LANE_BEST_FREE: {
veh.updateBestLanes(false, myLanes->front());
const std::vector<MSVehicle::LaneQ>& bl = veh.getBestLanes();
SUMOReal bestLength = -1;
for (std::vector<MSVehicle::LaneQ>::const_iterator i = bl.begin(); i != bl.end(); ++i) {
if ((*i).length > bestLength) {
bestLength = (*i).length;
}
}
std::vector<MSLane*>* bestLanes = new std::vector<MSLane*>();
for (std::vector<MSVehicle::LaneQ>::const_iterator i = bl.begin(); i != bl.end(); ++i) {
if ((*i).length == bestLength) {
bestLanes->push_back((*i).lane);
}
}
MSLane* ret = getFreeLane(bestLanes, veh.getVehicleType().getVehicleClass());
delete bestLanes;
return ret;
}
case DEPART_LANE_DEFAULT:
case DEPART_LANE_FIRST_ALLOWED:
for (std::vector<MSLane*>::const_iterator i = myLanes->begin(); i != myLanes->end(); ++i) {
if ((*i)->allowsVehicleClass(veh.getVehicleType().getVehicleClass())) {
return *i;
}
}
return 0;
default:
break;
}
if (!(*myLanes)[0]->allowsVehicleClass(veh.getVehicleType().getVehicleClass())) {
return 0;
}
return (*myLanes)[0];
}
MSLane*
MSEdge::getFreeLane(const std::vector<MSLane*>* allowed, const SUMOVehicleClass vclass) const {
if (allowed == 0) {
allowed = allowedLanes(vclass);
}
MSLane* res = 0;
if (allowed != 0) {
unsigned int noCars = INT_MAX;
for (std::vector<MSLane*>::const_iterator i = allowed->begin(); i != allowed->end(); ++i) {
if ((*i)->getVehicleNumber() < noCars) {
res = (*i);
noCars = (*i)->getVehicleNumber();
}
}
}
return res;
}
MSLane*
MSEdge::getFreeLane(const std::vector<MSLane*>* allowed, const SUMOVehicleClass vclass) const {
if (allowed == 0) {
allowed = allowedLanes(vclass);
}
MSLane* res = 0;
if (allowed != 0) {
SUMOReal leastOccupancy = std::numeric_limits<SUMOReal>::max();;
for (std::vector<MSLane*>::const_iterator i = allowed->begin(); i != allowed->end(); ++i) {
const SUMOReal occupancy = (*i)->getBruttoOccupancy();
if (occupancy < leastOccupancy) {
res = (*i);
leastOccupancy = occupancy;
}
}
}
return res;
}
const std::vector<MSLane*>*
MSEdge::allowedLanes(SUMOVehicleClass vclass) const {
return allowedLanes(0, vclass);
}
const std::vector<MSLane*>*
MSEdge::allowedLanes(const MSEdge& destination, SUMOVehicleClass vclass) const {
return allowedLanes(&destination, vclass);
}
