C++ Creature::AddSplineFlag方法代码示例

void RandomMovementGenerator<Creature>::Initialize(Creature &creature)
{
    if (!creature.isAlive())
        return;

    if (creature.CanFly())
        creature.AddSplineFlag(SPLINEFLAG_UNKNOWN7);
    else
        creature.AddSplineFlag(SPLINEFLAG_WALKMODE);

    creature.addUnitState(UNIT_STAT_ROAMING|UNIT_STAT_ROAMING_MOVE);
    _setRandomLocation(creature);
}

void RandomMovementGenerator<Creature>::Initialize(Creature &creature)
{
    if (!creature.isAlive())
        return;

    if (creature.canFly() && !(creature.canWalk() &&
        creature.IsAtGroundLevel(creature.GetPositionX(), creature.GetPositionY(), creature.GetPositionZ())))
        creature.AddSplineFlag(SPLINEFLAG_UNKNOWN7);
    else
        creature.AddSplineFlag(SPLINEFLAG_WALKMODE);

    creature.addUnitState(UNIT_STAT_ROAMING|UNIT_STAT_ROAMING_MOVE);
    _setRandomLocation(creature);
}

//-----------------------------------------------//
void WaypointMovementGenerator<Creature>::LoadPath(Creature &creature)
{
    //DETAIL_FILTER_LOG(LOG_FILTER_AI_AND_MOVEGENSS, "LoadPath: loading waypoint path for creature %u, %u", creature.GetGUIDLow(), creature.GetDBTableGUIDLow());

    i_path = sWaypointMgr.GetPath(creature.GetDBTableGUIDLow());

    // We may LoadPath() for several occasions:

    // 1: When creature.MovementType=2
    //    1a) Path is selected by creature.guid == creature_movement.id
    //    1b) Path for 1a) does not exist and then use path from creature.GetEntry() == creature_movement_template.entry

    // 2: When creature_template.MovementType=2
    //    2a) Creature is summoned and has creature_template.MovementType=2
    //        Creators need to be sure that creature_movement_template is always valid for summons.
    //        Mob that can be summoned anywhere should not have creature_movement_template for example.

    // No movement found for guid
    if (!i_path)
    {
        sLog.outErrorDb("WaypointMovementGenerator::LoadPath: creature %s (Entry: %u GUID: %u) doesn't have waypoint path",
			creature.GetName(), creature.GetEntry(), creature.GetDBTableGUIDLow());
        return;
    }

    if (creature.canFly())
        creature.AddSplineFlag(SPLINEFLAG_UNKNOWN7);

    // We have to set the destination here (for the first point), right after Initialize. Without, we may not have valid xyz for GetResetPosition
    CreatureTraveller traveller(creature);
    MoveToNextNode(traveller);
}

bool
HomeMovementGenerator<Creature>::Update(Creature &owner, const uint32& time_diff)
{
    CreatureTraveller traveller( owner);
    i_destinationHolder.UpdateTraveller(traveller, time_diff, false);

    if (time_diff > i_travel_timer)
    {
        owner.AddSplineFlag(SPLINEFLAG_WALKMODE);

        // restore orientation of not moving creature at returning to home
        if(owner.GetDefaultMovementType()==IDLE_MOTION_TYPE)
        {
            if(CreatureData const* data = sObjectMgr.GetCreatureData(owner.GetDBTableGUIDLow()))
            {
                owner.SetOrientation(data->orientation);
                WorldPacket packet;
                owner.BuildHeartBeatMsg(&packet);
                owner.SendMessageToSet(&packet, false);
            }
        }

        owner.AI()->JustReachedHome();
        return false;
    }

    i_travel_timer -= time_diff;

    return true;
}

bool
HomeMovementGenerator<Creature>::Update(Creature &owner, const uint32& time_diff)
{
    CreatureTraveller traveller( owner);
    if (i_destinationHolder.UpdateTraveller(traveller, time_diff, false))
    {
        if (!IsActive(owner))                               // force stop processing (movement can move out active zone with cleanup movegens list)
            return true;                                    // not expire now, but already lost
    }

    if (time_diff > i_travel_timer)
    {
        owner.AddSplineFlag(SPLINEFLAG_WALKMODE);

        // restore orientation of not moving creature at returning to home
        if(owner.GetDefaultMovementType()==IDLE_MOTION_TYPE)
        {
            if(CreatureData const* data = sObjectMgr.GetCreatureData(owner.GetDBTableGUIDLow()))
            {
                owner.SetOrientation(data->orientation);
                WorldPacket packet;
                owner.BuildHeartBeatMsg(&packet);
                owner.SendMessageToSet(&packet, false);
            }
        }

        owner.LoadCreatureAddon(true);
        owner.AI()->JustReachedHome();
        return false;
    }

    i_travel_timer -= time_diff;

    return true;
}

bool
HomeMovementGenerator<Creature>::Update(Creature &owner, const uint32& time_diff)
{
    CreatureTraveller traveller( owner);

    if (i_destinationHolder.UpdateTraveller(traveller, time_diff, false))
    {
        if (!IsActive(owner))                               // force stop processing (movement can move out active zone with cleanup movegens list)
            return true;                                    // not expire now, but already lost
    }

    if (time_diff > i_travel_time)
    {
        owner.AddSplineFlag(SPLINEFLAG_WALKMODE);

        // restore orientation of not moving creature at returning to home
        if (owner.GetDefaultMovementType() == IDLE_MOTION_TYPE)
        {
            // such a mob might need very exact spawning point, hence relocate to spawn-position
            if (CreatureData const* data = sObjectMgr.GetCreatureData(owner.GetGUIDLow()))
            {
                owner.Relocate(data->posX, data->posY, data->posZ, data->orientation);
                owner.SendHeartBeat(false);
            }
        }

        owner.LoadCreatureAddon(true);
        owner.AI()->JustReachedHome();
        return false;
    }

    i_travel_time -= time_diff;

    return true;
}

void WaypointMovementGenerator<Creature>::StartMove(Creature &creature)
{
    if (!i_path || i_path->empty())
        return;

    if (Stopped())
        return;

    if (WaypointBehavior *behavior = i_path->at(i_currentNode).behavior)
    {
        if (behavior->model2 != 0)
            creature.SetDisplayId(behavior->model2);
        creature.SetUInt32Value(UNIT_NPC_EMOTESTATE, 0);
    }

    if (m_isArrivalDone)
        i_currentNode = (i_currentNode+1) % i_path->size();

    m_isArrivalDone = false;

    if (creature.CanFly())
        creature.AddSplineFlag(SPLINEFLAG_FLYING);
    creature.addUnitState(UNIT_STAT_ROAMING_MOVE);

    const WaypointNode &node = i_path->at(i_currentNode);
    CreatureTraveller traveller(creature);
    i_destinationHolder.SetDestination(traveller, node.x, node.y, node.z);
}

bool RandomMovementGenerator<Creature>::Update(Creature &creature, const uint32 &diff)
{
    if (creature.hasUnitState(UNIT_STAT_NOT_MOVE))
    {
        i_nextMoveTime.Update(i_nextMoveTime.GetExpiry());  // Expire the timer
        creature.clearUnitState(UNIT_STAT_ROAMING_MOVE);
        return true;
    }

    i_nextMoveTime.Update(diff);

    if (i_destinationHolder.HasArrived() && !creature.IsStopped() && !creature.canFly())
        creature.clearUnitState(UNIT_STAT_ROAMING_MOVE);

    if (!i_destinationHolder.HasArrived() && creature.IsStopped())
        creature.addUnitState(UNIT_STAT_ROAMING_MOVE);

    CreatureTraveller traveller(creature);

    if (i_destinationHolder.UpdateTraveller(traveller, diff, false, true))
    {
        if (!IsActive(creature))                        // force stop processing (movement can move out active zone with cleanup movegens list)
            return true;                                // not expire now, but already lost

        if (i_nextMoveTime.Passed())
        {
            float x,y,z;
            if(i_destinationHolder.HasDestination())
                i_destinationHolder.GetLocationNowNoMicroMovement(x,y,z);
            else
                creature.GetPosition(x,y,z);

            if (creature.canFly() && !(creature.canWalk() && creature.IsAtGroundLevel(x,y,z)))
                creature.AddSplineFlag(SPLINEFLAG_UNKNOWN7);
            else
                creature.AddSplineFlag(SPLINEFLAG_WALKMODE);

            _setRandomLocation(creature);
        }
        else if (creature.isPet() && creature.GetOwner() && !creature.IsWithinDist(creature.GetOwner(), PET_FOLLOW_DIST+2.5f))
        {
            creature.AddSplineFlag(SPLINEFLAG_WALKMODE);
            _setRandomLocation(creature);
        }
    }
    return true;
}

void RandomCircleMovementGenerator<Creature>::Initialize(Creature &creature)
{
    if (!creature.isAlive())
        return;

    if (creature.canFly() && !(creature.canWalk() &&
        creature.IsAtGroundLevel(creature.GetPositionX(), creature.GetPositionY(), creature.GetPositionZ())))
        creature.AddSplineFlag(SPLINEFLAG_UNKNOWN7);
    else
        creature.AddSplineFlag(SPLINEFLAG_WALKMODE);

    creature.addUnitState(UNIT_STAT_ROAMING|UNIT_STAT_ROAMING_MOVE);
    m_bClockWise = urand(0, 1) ? true : false;
    i_wpId = 0;
    fillSplineWayPoints(creature);
    SplineFlags flags = SplineFlags(SPLINEFLAG_FORWARD | SPLINEFLAG_UNKNOWN7 | SPLINEFLAG_FLYING | creature.GetSplineFlags());
    creature.SendSplineMove(&m_splineMap, SPLINETYPE_NORMAL, flags, 500, NULL);
}

void ChaseMovementGenerator<Creature>::Initialize(Creature &owner)
{
    owner.addUnitState(UNIT_STAT_CHASE|UNIT_STAT_CHASE_MOVE);
    owner.RemoveSplineFlag(SPLINEFLAG_WALKMODE);

    if (((Creature*)&owner)->canFly())
        owner.AddSplineFlag(SPLINEFLAG_UNKNOWN7);

    _setTargetLocation(owner);
}

void ChaseMovementGenerator<Creature>::Initialize(Creature &owner)
{
    owner.addUnitState(UNIT_STAT_CHASE|UNIT_STAT_CHASE_MOVE);
    owner.RemoveSplineFlag(SPLINEFLAG_WALKMODE);

    _setTargetLocation(owner);
    float x,y,z;
    i_destinationHolder.GetDestination(x,y,z);

    if (owner.GetTypeId() == TYPEID_UNIT && ((Creature*)&owner)->canFly() &&
        !(((Creature*)&owner)->canWalk() && ((Creature*)&owner)->IsAtGroundLevel(x,y,z)))
        owner.AddSplineFlag(SPLINEFLAG_UNKNOWN7);
}

//-----------------------------------------------//
void WaypointMovementGenerator<Creature>::LoadPath(Creature &creature)
{
    DETAIL_FILTER_LOG(LOG_FILTER_AI_AND_MOVEGENSS, "LoadPath: loading waypoint path for %s", creature.GetGuidStr().c_str());

    i_path = sWaypointMgr.GetPath(creature.GetGUIDLow());

    // We may LoadPath() for several occasions:

    // 1: When creature.MovementType=2
    //    1a) Path is selected by creature.guid == creature_movement.id
    //    1b) Path for 1a) does not exist and then use path from creature.GetEntry() == creature_movement_template.entry

    // 2: When creature_template.MovementType=2
    //    2a) Creature is summoned and has creature_template.MovementType=2
    //        Creators need to be sure that creature_movement_template is always valid for summons.
    //        Mob that can be summoned anywhere should not have creature_movement_template for example.

    // No movement found for guid
    if (!i_path)
    {
        i_path = sWaypointMgr.GetPathTemplate(creature.GetEntry());

        // No movement found for entry
        if (!i_path)
        {
            sLog.outErrorDb("WaypointMovementGenerator::LoadPath: creature %s (Entry: %u GUID: %u) doesn't have waypoint path",
                creature.GetName(), creature.GetEntry(), creature.GetGUIDLow());
            return;
        }
    }

    // We have to set the destination here (for the first point), right after Initialize. Without, we may not have valid xyz for GetResetPosition
    CreatureTraveller traveller(creature);

    if (creature.CanFly())
        creature.AddSplineFlag(SPLINEFLAG_FLYING);

    const WaypointNode &node = i_path->at(i_currentNode);
    i_destinationHolder.SetDestination(traveller, node.x, node.y, node.z);
    i_nextMoveTime.Reset(i_destinationHolder.GetTotalTravelTime());
}

void HomeMovementGenerator<Creature>::Finalize(Creature& owner)
{
    if (i_travel_timer == 0)
    {
        owner.AddSplineFlag(SPLINEFLAG_WALKMODE);

        // restore orientation of not moving creature at returning to home
        if (owner.GetDefaultMovementType() == IDLE_MOTION_TYPE)
        {
            // such a mob might need very exact spawning point, hence relocate to spawn-position
            if (CreatureData const* data = sObjectMgr.GetCreatureData(owner.GetGUIDLow()))
            {
                owner.Relocate(data->posX, data->posY, data->posZ, data->orientation);
                owner.SendHeartBeat(false);
            }
        }

        if (owner.GetTemporaryFactionFlags() & TEMPFACTION_RESTORE_REACH_HOME)
            owner.ClearTemporaryFaction();

        owner.LoadCreatureAddon(true);
        owner.AI()->JustReachedHome();
    }
}

void
RandomMovementGenerator<Creature>::_setRandomLocation(Creature &creature)
{
    float X,Y,Z,z,nx,ny,nz,wander_distance,ori,dist;

    creature.GetRespawnCoord(X, Y, Z, &ori, &wander_distance);

    z = creature.GetPositionZ();
    Map const* map = creature.GetBaseMap();

    // For 2D/3D system selection
    //bool is_land_ok  = creature.canWalk();                // not used?
    //bool is_water_ok = creature.canSwim();                // not used?
    bool is_air_ok   = creature.canFly();

    const float angle = rand_norm_f()*(M_PI_F*2.0f);
    const float range = rand_norm_f()*wander_distance;
    const float distanceX = range * cos(angle);
    const float distanceY = range * sin(angle);

    nx = X + distanceX;
    ny = Y + distanceY;

    // prevent invalid coordinates generation
    MaNGOS::NormalizeMapCoord(nx);
    MaNGOS::NormalizeMapCoord(ny);

    dist = distanceX*distanceX + distanceY*distanceY;

    if (is_air_ok)                                          // 3D system above ground and above water (flying mode)
    {
        // Limit height change
        const float distanceZ = rand_norm_f() * sqrtf(dist)/2.0f;
        nz = Z + distanceZ;
        float tz = map->GetHeight(nx, ny, nz-2.0f, false);  // Map check only, vmap needed here but need to alter vmaps checks for height.
        float wz = map->GetWaterLevel(nx, ny);

        // Problem here, we must fly above the ground and water, not under. Let's try on next tick
        if (tz >= nz || wz >= nz)
            return;
    }
    //else if (is_water_ok)                                 // 3D system under water and above ground (swimming mode)
    else                                                    // 2D only
    {
        nz = Z;
        if (!map->IsNextZcoordOK(nx, ny, nz, dist))
            return;                                         // let's forget this bad coords where a z cannot be find and retry at next tick
        creature.UpdateGroundPositionZ(nx, ny, nz, dist);
    }

    Traveller<Creature> traveller(creature);

    creature.SetOrientation(creature.GetAngle(nx, ny));
    i_destinationHolder.SetDestination(traveller, nx, ny, nz);
    creature.addUnitState(UNIT_STAT_ROAMING_MOVE);

    if (is_air_ok && !(creature.canWalk() && creature.IsAtGroundLevel(nx, ny, nz)))
    {
        i_nextMoveTime.Reset(i_destinationHolder.GetTotalTravelTime());
        creature.AddSplineFlag(SPLINEFLAG_UNKNOWN7);
    }
    //else if (is_water_ok)                                 // Swimming mode to be done with more than this check
    else
    {
        i_nextMoveTime.Reset(urand(500+i_destinationHolder.GetTotalTravelTime(), 10000+i_destinationHolder.GetTotalTravelTime()));
        creature.AddSplineFlag(SPLINEFLAG_WALKMODE);
    }
}

void ConfusedMovementGenerator<Creature>::Finalize(Creature &unit)
{
    unit.clearUnitState(UNIT_STAT_CONFUSED|UNIT_STAT_CONFUSED_MOVE);
    unit.AddSplineFlag(SPLINEFLAG_WALKMODE);
}