void
ConfusedMovementGenerator<Creature>::_InitSpecific(Creature &creature, bool &is_water_ok, bool &is_land_ok)
{
creature.RemoveSplineFlag(SPLINEFLAG_WALKMODE);
is_water_ok = creature.CanSwim();
is_land_ok = creature.CanWalk();
}
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);
}
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
RandomMovementGenerator<Creature>::_setRandomLocation(Creature &creature)
{
float respX, respY, respZ, respO, currZ, destX, destY, destZ, wander_distance, travelDistZ;
creature.GetRespawnCoord(respX, respY, respZ, &respO, &wander_distance);
currZ = creature.GetPositionZ();
TerrainInfo const* map = creature.GetTerrain();
// 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);
destX = respX + distanceX;
destY = respY + distanceY;
// prevent invalid coordinates generation
MaNGOS::NormalizeMapCoord(destX);
MaNGOS::NormalizeMapCoord(destY);
travelDistZ = 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(travelDistZ)/2.0f;
destZ = respZ + distanceZ;
float levelZ = map->GetWaterOrGroundLevel(destX, destY, destZ-2.0f);
// Problem here, we must fly above the ground and water, not under. Let's try on next tick
if (levelZ >= destZ)
return;
}
//else if (is_water_ok) // 3D system under water and above ground (swimming mode)
else // 2D only
{
destZ = respZ;
if(!map->IsNextZcoordOK(destX, destY, destZ, travelDistZ))
return; // let's forget this bad coords where a z cannot be find and retry at next tick
creature.UpdateGroundPositionZ(destX, destY, destZ, travelDistZ);
}
Traveller<Creature> traveller(creature);
creature.SetOrientation(creature.GetAngle(destX, destY));
i_destinationHolder.SetDestination(traveller, destX, destY, destZ);
creature.addUnitState(UNIT_STAT_ROAMING_MOVE);
if (is_air_ok && !(creature.CanWalk() && creature.IsAtGroundLevel(destX, destY, destZ)))
{
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);
}
}