bool SplineChainMovementGenerator::Update(Unit* owner, uint32 diff)
{
if (!owner || HasFlag(MOVEMENTGENERATOR_FLAG_FINALIZED))
return false;
// _msToNext being zero here means we're on the final spline
if (!_msToNext)
{
if (owner->movespline->Finalized())
{
AddFlag(MOVEMENTGENERATOR_FLAG_INFORM_ENABLED);
return false;
}
return true;
}
if (_msToNext <= diff)
{
// Send next spline
TC_LOG_DEBUG("movement.splinechain", "SplineChainMovementGenerator::Update: sending spline on index %u (%u ms late). (%s)", _nextIndex, diff - _msToNext, owner->GetGUID().ToString().c_str());
_msToNext = std::max(_chain[_nextIndex].TimeToNext, 1u);
SendSplineFor(owner, _nextIndex, _msToNext);
++_nextIndex;
if (_nextIndex >= _chainSize)
{
// We have reached the final spline, once it finalizes we should also finalize the movegen (start checking on next update)
_msToNext = 0;
return true;
}
}
else
_msToNext -= diff;
return true;
}
bool SplineChainMovementGenerator::Update(Unit* me, uint32 diff)
{
if (finished)
return false;
// _msToNext being zero here means we're on the final spline
if (!_msToNext)
{
finished = me->movespline->Finalized();
return !finished;
}
if (_msToNext <= diff)
{
// Send next spline
TC_LOG_DEBUG("movement.splinechain", "%s: Should send spline %u (%u ms late).", me->GetGUID().ToString().c_str(), _nextIndex, diff - _msToNext);
_msToNext = std::max(_chain[_nextIndex].TimeToNext, 1u);
SendSplineFor(me, _nextIndex, _msToNext);
++_nextIndex;
if (_nextIndex >= _chainSize)
{
// We have reached the final spline, once it finalizes we should also finalize the movegen (start checking on next update)
_msToNext = 0;
return true;
}
}
else
_msToNext -= diff;
return true;
}
void SplineChainMovementGenerator::Initialize(Unit* owner)
{
RemoveFlag(MOVEMENTGENERATOR_FLAG_INITIALIZATION_PENDING | MOVEMENTGENERATOR_FLAG_DEACTIVATED);
AddFlag(MOVEMENTGENERATOR_FLAG_INITIALIZED);
if (!_chainSize)
{
TC_LOG_ERROR("movement", "SplineChainMovementGenerator::Initialize: couldn't initialize generator, referenced spline is empty! (%s)", owner->GetGUID().ToString().c_str());
return;
}
if (_nextFirstWP) // this is a resumed movegen that has to start with a partial spline
{
if (HasFlag(MOVEMENTGENERATOR_FLAG_FINALIZED))
return;
SplineChainLink const& thisLink = _chain[_nextIndex];
if (_nextFirstWP >= thisLink.Points.size())
{
TC_LOG_ERROR("movement.splinechain", "SplineChainMovementGenerator::Initialize: attempted to resume spline chain from invalid resume state, _nextFirstWP >= path size (_nextIndex: %u, _nextFirstWP: %u). (%s)", _nextIndex, _nextFirstWP, owner->GetGUID().ToString().c_str());
_nextFirstWP = thisLink.Points.size() - 1;
}
owner->AddUnitState(UNIT_STATE_ROAMING_MOVE);
Movement::PointsArray partial(thisLink.Points.begin() + (_nextFirstWP-1), thisLink.Points.end());
SendPathSpline(owner, partial);
TC_LOG_DEBUG("movement.splinechain", "SplineChainMovementGenerator::Initialize: resumed spline chain generator from resume state. (%s)", owner->GetGUID().ToString().c_str());
++_nextIndex;
if (_nextIndex >= _chainSize)
_msToNext = 0;
else if (!_msToNext)
_msToNext = 1;
_nextFirstWP = 0;
}
else
{
_msToNext = std::max(_chain[_nextIndex].TimeToNext, 1u);
SendSplineFor(owner, _nextIndex, _msToNext);
++_nextIndex;
if (_nextIndex >= _chainSize)
_msToNext = 0;
}
}
void SplineChainMovementGenerator::Initialize(Unit* me)
{
if (_chainSize)
{
if (_nextFirstWP) // this is a resumed movegen that has to start with a partial spline
{
if (finished)
return;
SplineChainLink const& thisLink = _chain[_nextIndex];
if (_nextFirstWP >= thisLink.Points.size())
{
TC_LOG_ERROR("movement.splinechain", "%s: Attempted to resume spline chain from invalid resume state (%u, %u).", me->GetGUID().ToString().c_str(), _nextIndex, _nextFirstWP);
_nextFirstWP = thisLink.Points.size()-1;
}
Movement::PointsArray partial(thisLink.Points.begin() + (_nextFirstWP-1), thisLink.Points.end());
SendPathSpline(me, partial);
TC_LOG_DEBUG("movement.splinechain", "%s: Resumed spline chain generator from resume state.", me->GetGUID().ToString().c_str());
++_nextIndex;
if (!_msToNext)
_msToNext = 1;
_nextFirstWP = 0;
}
else
{
_msToNext = std::max(_chain[_nextIndex].TimeToNext, 1u);
SendSplineFor(me, _nextIndex, _msToNext);
++_nextIndex;
if (_nextIndex >= _chainSize)
_msToNext = 0;
}
}
else
{
TC_LOG_ERROR("movement", "SplineChainMovementGenerator::Initialize - empty spline chain passed for %s.", me->GetGUID().ToString().c_str());
}
}