Method VerifyPath

engine/Poseidon/AI/AIUnit.cpp:1678–1706

        LOG_DEBUG(AI, "pos {:.2f},{:.2f},{:.2f}", pos[0], pos[1], pos[2]);
        LOG_DEBUG(AI, "from {:.2f},{:.2f},{:.2f}", from[0], from[1], from[2]);
    }
    map.CreateMap(GetVehicle(), xMin, zMin, xMax, zMax);
    bool retVal = map.IsSimplePath(this, xs, zs, xe, ze);

    GetVehicle()->PerformLock();
    return retVal;
}

bool AIUnit::VerifyPath()
{
    // do not verify fresh path
    if (_path.GetSearchTime() > Glob.time - 0.5)
    {
        // assume fresh path is always valid
        return true;
    }

    EntityAI* veh = GetVehicle();
    if (_path.GetOnRoad())
    {
        veh->PerformUnlock();
        int index = _path.GetOperIndex();
        for (int i = index; i < _path.GetMaxIndex(); i++)
        {
            if (GRoadNet->IsLocked(_path[i]._pos, 0.1))
            {
                return false;
            }
        }
        veh->PerformLock();
    }
    else