// Helper function to undo the turning of the vehicle to calculate a relative position of the passenger when boarding
void VehicleInfo::CalculateBoardingPositionOf(float gx, float gy, float gz, float go, float& lx, float& ly, float& lz, float& lo) const
{
NormalizeRotatedPosition(gx - m_owner->GetPositionX(), gy - m_owner->GetPositionY(), lx, ly);
lz = gz - m_owner->GetPositionZ();
lo = NormalizeOrientation(go - m_owner->GetOrientation());
}
void PacketBuilder::WriteCommonMonsterMovePart(const MoveSpline& move_spline, WorldPacket& data)
{
MoveSplineFlag splineflags = move_spline.splineflags;
if (move_spline.transportGuid)
{
//DEBUG_LOG("Setting transport opcode for %s", move_spline.transport->GetGuidStr().c_str());
data.SetOpcode(SMSG_MONSTER_MOVE_TRANSPORT);
data << PackedGuid(move_spline.transportGuid);
data << uint8(move_spline.transportSeat);
data << uint8(0);
data << (Vector3)move_spline.transportPos;
}
else
{
data << uint8(0);
data << move_spline.spline.getPoint(move_spline.spline.first());
}
data << move_spline.GetId();
switch(splineflags & MoveSplineFlag::Mask_Final_Facing)
{
default:
data << uint8(MonsterMoveNormal);
break;
case MoveSplineFlag::Final_Target:
data << uint8(MonsterMoveFacingTarget);
data << move_spline.facing.target;
break;
case MoveSplineFlag::Final_Angle:
data << uint8(MonsterMoveFacingAngle);
data << NormalizeOrientation(move_spline.facing.angle);
break;
case MoveSplineFlag::Final_Point:
data << uint8(MonsterMoveFacingSpot);
data << move_spline.facing.f.x << move_spline.facing.f.y << move_spline.facing.f.z;
break;
}
// add fake Enter_Cycle flag - needed for client-side cyclic movement (client will erase first spline vertex after first cycle done)
splineflags.enter_cycle = move_spline.isCyclic();
data << uint32(splineflags & ~MoveSplineFlag::Mask_No_Monster_Move);
if (splineflags.animation)
{
data << splineflags.getAnimationId();
data << move_spline.effect_start_time;
}
data << move_spline.Duration();
if (splineflags.parabolic)
{
data << move_spline.vertical_acceleration;
data << move_spline.effect_start_time;
}
}
// Calculate a global position of local positions based on this transporter
void TransportBase::CalculateGlobalPositionOf(float lx, float ly, float lz, float lo, float& gx, float& gy, float& gz, float& go) const
{
RotateLocalPosition(lx, ly, gx, gy);
gx += m_owner->GetPositionX();
gy += m_owner->GetPositionY();
gz = lz + m_owner->GetPositionZ();
go = NormalizeOrientation(lo + m_owner->GetOrientation());
}
bool Position::HasInArc(float arc, const Position* obj, float border) const
{
// always have self in arc
if (obj == this)
return true;
// move arc to range 0.. 2*pi
arc = NormalizeOrientation(arc);
float angle = GetAngle(obj);
angle -= m_orientation;
// move angle to range -pi ... +pi
angle = NormalizeOrientation(angle);
if (angle > float(M_PI))
angle -= 2.0f * float(M_PI);
float lborder = -1 * (arc / border); // in range -pi..0
float rborder = (arc / border); // in range 0..pi
return ((angle >= lborder) && (angle <= rborder));
}
void PacketBuilder::WriteCommonMonsterMovePart(const MoveSpline& move_spline, WorldPacket& data)
{
MoveSplineFlag splineflags = move_spline.splineflags;
/*if (mov.IsBoarded())
{
data.SetOpcode(SMSG_MONSTER_MOVE_TRANSPORT);
data << mov.GetTransport()->Owner.GetPackGUID();
data << int8(mov.m_unused.transport_seat);
}*/
data << uint8(0);
data << move_spline.spline.getPoint(move_spline.spline.first());
data << move_spline.GetId();
switch (splineflags & MoveSplineFlag::Mask_Final_Facing)
{
default:
data << uint8(MonsterMoveNormal);
break;
case MoveSplineFlag::Final_Target:
data << uint8(MonsterMoveFacingTarget);
data << move_spline.facing.target;
break;
case MoveSplineFlag::Final_Angle:
data << uint8(MonsterMoveFacingAngle);
data << NormalizeOrientation(move_spline.facing.angle);
break;
case MoveSplineFlag::Final_Point:
data << uint8(MonsterMoveFacingSpot);
data << move_spline.facing.f.x << move_spline.facing.f.y << move_spline.facing.f.z;
break;
}
// add fake Enter_Cycle flag - needed for client-side cyclic movement (client will erase first spline vertex after first cycle done)
splineflags.enter_cycle = move_spline.isCyclic();
data << uint32(splineflags & ~MoveSplineFlag::Mask_No_Monster_Move);
if (splineflags.animation)
{
data << splineflags.getAnimationId();
data << move_spline.effect_start_time;
}
data << move_spline.Duration();
if (splineflags.parabolic)
{
data << move_spline.vertical_acceleration;
data << move_spline.effect_start_time;
}
}
void PacketBuilder::WriteCreateBytes(const MoveSpline& move_spline, ByteBuffer& data)
{
if (!move_spline.Finalized())
{
MoveSplineFlag splineFlags = move_spline.splineflags;
uint32 nodes = move_spline.getPath().size();
bool hasSplineStartTime = move_spline.splineflags & (MoveSplineFlag::Trajectory | MoveSplineFlag::Animation);
bool hasSplineVerticalAcceleration = (move_spline.splineflags & MoveSplineFlag::Trajectory) && move_spline.effect_start_time < move_spline.Duration();
if (hasSplineVerticalAcceleration)
data << float(move_spline.vertical_acceleration); // added in 3.1
data << int32(move_spline.timePassed());
if (move_spline.splineflags & MoveSplineFlag::Final_Angle)
data << float(NormalizeOrientation(move_spline.facing.angle));
else if (move_spline.splineflags & MoveSplineFlag::Final_Target)
data.WriteGuidBytes<5, 3, 7, 1, 6, 4, 2, 0>(ObjectGuid(move_spline.facing.target));
for (uint32 i = 0; i < nodes; ++i)
{
data << float(move_spline.getPath()[i].z);
data << float(move_spline.getPath()[i].x);
data << float(move_spline.getPath()[i].y);
}
if (move_spline.splineflags & MoveSplineFlag::Final_Point)
data << float(move_spline.facing.f.x) << float(move_spline.facing.f.z) << float(move_spline.facing.f.y);
data << float(1.f);
data << int32(move_spline.Duration());
if (hasSplineStartTime)
data << int32(move_spline.effect_start_time); // added in 3.1
data << float(1.f);
}
if (!move_spline.isCyclic())
{
Vector3 dest = move_spline.FinalDestination();
data << float(dest.z);
data << float(dest.x);
data << float(dest.y);
}
else
data << Vector3::zero();
data << uint32(move_spline.GetId());
}
// Update every now and then (after some change of transporter's position)
// This is used to calculate global positions (which don't have to be exact, they are only required for some server-side calculations
void TransportBase::Update(uint32 diff)
{
if (m_updatePositionsTimer < diff)
{
if (fabs(m_owner->GetPositionX() - m_lastPosition.x) +
fabs(m_owner->GetPositionY() - m_lastPosition.y) +
fabs(m_owner->GetPositionZ() - m_lastPosition.z) > 1.0f ||
NormalizeOrientation(m_owner->GetOrientation() - m_lastPosition.o) > 0.01f)
UpdateGlobalPositions();
m_updatePositionsTimer = 500;
}
else
m_updatePositionsTimer -= diff;
}
// Update the global positions of all passengers
void TransportBase::UpdateGlobalPositions()
{
Position pos(m_owner->GetPositionX(), m_owner->GetPositionY(),
m_owner->GetPositionZ(), m_owner->GetOrientation());
// Calculate new direction multipliers
if (NormalizeOrientation(pos.o - m_lastPosition.o) > 0.01f)
{
m_sinO = sin(pos.o);
m_cosO = cos(pos.o);
}
// Update global positions
for (PassengerMap::const_iterator itr = m_passengers.begin(); itr != m_passengers.end(); ++itr)
UpdateGlobalPositionOf(itr->first, itr->second->GetLocalPositionX(), itr->second->GetLocalPositionY(),
itr->second->GetLocalPositionZ(), itr->second->GetLocalOrientation());
m_lastPosition = pos;
}