Method CreateOperativePath

engine/Poseidon/AI/AIUnitImpl.cpp:1774–1903

bool AIUnit::CreateOperativePath()
{
    EntityAI* veh = GetVehicle();

    // new attempt
    if (_state == Delay && _delay <= Glob.time)
    {
        Verify(SetState(Wait));
        return false;
    }

    if (_state != Init)
    {
        // check if current path is valid
        if (!VerifyPath())
        {
            if (IsSubgroupLeader())
            {
                Verify(SetState(Replan));
            }
            else
            {
                Verify(SetState(Wait)); // clear plan
            }
        }
        // do not plan
        return false;
    }

    float combatHeight = veh->GetCombatHeight();
    if (veh->GetType()->IsKindOf(GLOB_WORLD->Preloaded(VTypeAir)) ||
        veh->GetType()->IsKindOf(GLOB_WORLD->Preloaded(VTypeShip)))
    {
        if (_mode == Exact)
        {
            _mode = DirectExact;
        }
        else if (_mode == Normal)
        {
            _mode = DirectNormal;
        }
    }
    if (_mode == DirectExact || _mode == DirectNormal)
    {
        // creates path from Position() to _expPosition if none in _planner
        CopyPath(*_planner);
        Verify(SetState(Busy));
        return false;
    }
    else
    {
        float dist2 = (Position() - _expPosition).SquareSizeXZ();
        if (dist2 < Square(DIST_NOT_SEARCH))
        {
            if (_lastPlan)
            {
                float precision = veh->GetPrecision();
                if (_wantedPosition.Distance(_plannedPosition) > Square(precision))
                {
                    ForceReplan();