Method AssignAsDriver

engine/Poseidon/AI/AIUnitImpl.cpp:2602–2637

bool AIUnit::AssignAsDriver(Transport* veh)
{
    if (!veh->GetType()->HasDriver())
    {
        return false;
    }

    if (veh && veh == _vehicleAssigned && veh->GetDriverAssigned() == this)
    {
        return true; // already assigned as driver
    }

    if (_vehicleAssigned) // unassign
    {
        _vehicleAssigned->RemoveAssignement(this);
        _vehicleAssigned = nullptr;
    }

    if (veh)
    {
        AIUnit* oldDriver = veh->GetDriverAssigned();
        if (oldDriver) // unassign
        {
            if (veh->Driver() && !veh->Driver()->IsDammageDestroyed())
            { // cannot assign - driver is inside
                AI_ERROR(veh->DriverBrain() == oldDriver);
                return false;
            }
            veh->RemoveAssignement(oldDriver);
            oldDriver->_vehicleAssigned = nullptr;
        }
        veh->AssignDriver(this);
        _vehicleAssigned = veh;
    }
    return true;
}

bool AIUnit::AssignAsGunner(Transport* veh)
{
    if (!veh->GetType()->HasGunner())
    {