Files
TrinityCore/src/server/game/Server/Packets/MovementPackets.cpp

723 lines
21 KiB
C++

/*
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "MovementPackets.h"
#include "MoveSpline.h"
#include "MoveSplineFlag.h"
#include "MovementTypedefs.h"
#include "PacketUtilities.h"
#include "Unit.h"
ByteBuffer& operator<<(ByteBuffer& data, MovementInfo& movementInfo)
{
bool hasTransportData = !movementInfo.transport.guid.IsEmpty();
bool hasFallDirection = movementInfo.HasMovementFlag(MOVEMENTFLAG_FALLING | MOVEMENTFLAG_FALLING_FAR);
bool hasFallData = hasFallDirection || movementInfo.jump.fallTime != 0;
bool hasSpline = false; // todo 6.x send this infos
data << movementInfo.guid;
data << movementInfo.time;
data << movementInfo.pos.PositionXYZOStream();
data << movementInfo.pitch;
data << movementInfo.splineElevation;
uint32 removeMovementForcesCount = 0;
data << removeMovementForcesCount;
uint32 int168 = 0;
data << int168;
/*for (uint32 i = 0; i < removeMovementForcesCount; ++i)
{
data << ObjectGuid;
}*/
data.WriteBits(movementInfo.flags, 30);
data.WriteBits(movementInfo.flags2, 18);
data.WriteBit(hasTransportData);
data.WriteBit(hasFallData);
data.WriteBit(hasSpline);
data.WriteBit(0); // HeightChangeFailed
data.WriteBit(0); // RemoteTimeValid
data.FlushBits();
if (hasTransportData)
data << movementInfo.transport;
if (hasFallData)
{
data << movementInfo.jump.fallTime;
data << movementInfo.jump.zspeed;
data.WriteBit(hasFallDirection);
data.FlushBits();
if (hasFallDirection)
{
data << movementInfo.jump.sinAngle;
data << movementInfo.jump.cosAngle;
data << movementInfo.jump.xyspeed;
}
}
return data;
}
ByteBuffer& operator>>(ByteBuffer& data, MovementInfo& movementInfo)
{
//bool hasSpline = false;
data >> movementInfo.guid;
data >> movementInfo.time;
data >> movementInfo.pos.PositionXYZOStream();
data >> movementInfo.pitch;
data >> movementInfo.splineElevation;
uint32 removeMovementForcesCount;
data >> removeMovementForcesCount;
uint32 int168;
data >> int168;
for (uint32 i = 0; i < removeMovementForcesCount; ++i)
{
ObjectGuid guid;
data >> guid;
}
movementInfo.flags = data.ReadBits(30);
movementInfo.flags2 = data.ReadBits(18);
bool hasTransport = data.ReadBit();
bool hasFall = data.ReadBit();
/*hasSpline = */data.ReadBit(); // todo 6.x read this infos
data.ReadBit(); // HeightChangeFailed
data.ReadBit(); // RemoteTimeValid
if (hasTransport)
data >> movementInfo.transport;
if (hasFall)
{
data >> movementInfo.jump.fallTime;
data >> movementInfo.jump.zspeed;
// ResetBitReader
bool hasFallDirection = data.ReadBit();
if (hasFallDirection)
{
data >> movementInfo.jump.sinAngle;
data >> movementInfo.jump.cosAngle;
data >> movementInfo.jump.xyspeed;
}
}
return data;
}
ByteBuffer& operator>>(ByteBuffer& data, MovementInfo::TransportInfo& transportInfo)
{
data >> transportInfo.guid; // Transport Guid
data >> transportInfo.pos.PositionXYZOStream();
data >> transportInfo.seat; // VehicleSeatIndex
data >> transportInfo.time; // MoveTime
bool hasPrevTime = data.ReadBit();
bool hasVehicleId = data.ReadBit();
if (hasPrevTime)
data >> transportInfo.prevTime; // PrevMoveTime
if (hasVehicleId)
data >> transportInfo.vehicleId; // VehicleRecID
return data;
}
ByteBuffer& operator<<(ByteBuffer& data, MovementInfo::TransportInfo const& transportInfo)
{
bool hasPrevTime = transportInfo.prevTime != 0;
bool hasVehicleId = transportInfo.vehicleId != 0;
data << transportInfo.guid; // Transport Guid
data << transportInfo.pos.GetPositionX();
data << transportInfo.pos.GetPositionY();
data << transportInfo.pos.GetPositionZ();
data << transportInfo.pos.GetOrientation();
data << transportInfo.seat; // VehicleSeatIndex
data << transportInfo.time; // MoveTime
data.WriteBit(hasPrevTime);
data.WriteBit(hasVehicleId);
data.FlushBits();
if (hasPrevTime)
data << transportInfo.prevTime; // PrevMoveTime
if (hasVehicleId)
data << transportInfo.vehicleId; // VehicleRecID
return data;
}
void WorldPackets::Movement::ClientPlayerMovement::Read()
{
_worldPacket >> movementInfo;
}
ByteBuffer& WorldPackets::operator<<(ByteBuffer& data, Movement::MonsterSplineFilterKey const& monsterSplineFilterKey)
{
data << monsterSplineFilterKey.Idx;
data << monsterSplineFilterKey.Speed;
return data;
}
ByteBuffer& WorldPackets::operator<<(ByteBuffer& data, Movement::MonsterSplineFilter const& monsterSplineFilter)
{
data << uint32(monsterSplineFilter.FilterKeys.size());
data << monsterSplineFilter.BaseSpeed;
data << monsterSplineFilter.StartOffset;
data << monsterSplineFilter.DistToPrevFilterKey;
data << monsterSplineFilter.AddedToStart;
for (WorldPackets::Movement::MonsterSplineFilterKey const& filterKey : monsterSplineFilter.FilterKeys)
data << filterKey;
data.WriteBits(monsterSplineFilter.FilterFlags, 2);
data.FlushBits();
return data;
}
ByteBuffer& WorldPackets::operator<<(ByteBuffer& data, Movement::MovementSpline const& movementSpline)
{
data << movementSpline.Flags;
data << movementSpline.AnimTier;
data << movementSpline.TierTransStartTime;
data << movementSpline.Elapsed;
data << movementSpline.MoveTime;
data << movementSpline.JumpGravity;
data << movementSpline.SpecialTime;
data << int32(movementSpline.Points.size());
data << movementSpline.Mode;
data << movementSpline.VehicleExitVoluntary;
data << movementSpline.TransportGUID;
data << movementSpline.VehicleSeat;
data << int32(movementSpline.PackedDeltas.size());
for (G3D::Vector3 const& pos : movementSpline.Points)
data << pos;
for (G3D::Vector3 const& pos : movementSpline.PackedDeltas)
data.appendPackXYZ(pos.x, pos.y, pos.z);
data.WriteBits(movementSpline.Face, 2);
data.WriteBit(movementSpline.SplineFilter.is_initialized());
data.FlushBits();
switch (movementSpline.Face)
{
case ::Movement::MONSTER_MOVE_FACING_SPOT:
data << movementSpline.FaceSpot;
break;
case ::Movement::MONSTER_MOVE_FACING_TARGET:
data << movementSpline.FaceDirection;
data << movementSpline.FaceGUID;
break;
case ::Movement::MONSTER_MOVE_FACING_ANGLE:
data << movementSpline.FaceDirection;
break;
}
if (movementSpline.SplineFilter)
data << *movementSpline.SplineFilter;
return data;
}
ByteBuffer& WorldPackets::operator<<(ByteBuffer& data, Movement::MovementMonsterSpline const& movementMonsterSpline)
{
data << movementMonsterSpline.ID;
data << movementMonsterSpline.Destination;
data << movementMonsterSpline.Move;
data.WriteBit(movementMonsterSpline.CrzTeleport);
// Unk bits. 0 if monster is moving, 1 or 2 if stopped
if (movementMonsterSpline.Move.Flags)
data.WriteBits(0, 2);
else
data.WriteBits(2, 2);
data.FlushBits();
return data;
}
void WorldPackets::Movement::CommonMovement::WriteCreateObjectSplineDataBlock(::Movement::MoveSpline const& moveSpline, ByteBuffer& data)
{
data << uint32(moveSpline.GetId()); // ID
if (!moveSpline.isCyclic()) // Destination
data << moveSpline.FinalDestination().xyz();
else
data << G3D::Vector3::zero();
bool hasSplineMove = data.WriteBit(!moveSpline.Finalized() && !moveSpline.splineIsFacingOnly);
data.FlushBits();
if (hasSplineMove) // MovementSplineMove
{
::Movement::MoveSplineFlag const& splineFlags = moveSpline.splineflags;
data << uint32(moveSpline.splineflags.raw()); // SplineFlags
data << int32(moveSpline.timePassed()); // Elapsed
data << uint32(moveSpline.Duration()); // Duration
data << float(1.0f); // DurationModifier
data << float(1.0f); // NextDurationModifier
data << uint32(moveSpline.getPath().size());
data.append<G3D::Vector3>(&moveSpline.getPath()[0], moveSpline.getPath().size());
uint8 face = ::Movement::MONSTER_MOVE_NORMAL;
if (splineFlags.final_angle)
face = ::Movement::MONSTER_MOVE_FACING_ANGLE;
else if (splineFlags.final_target)
face = ::Movement::MONSTER_MOVE_FACING_TARGET;
else if (splineFlags.final_point)
face = ::Movement::MONSTER_MOVE_FACING_SPOT;
data.WriteBits(face, 2); // Face
bool HasJumpGravity = data.WriteBit(moveSpline.splineflags & (::Movement::MoveSplineFlag::Parabolic | ::Movement::MoveSplineFlag::Animation)); // HasJumpGravity
bool HasSpecialTime = data.WriteBit((moveSpline.splineflags & ::Movement::MoveSplineFlag::Parabolic) && moveSpline.effect_start_time < moveSpline.Duration()); // HasSpecialTime
data.WriteBits(uint8(moveSpline.spline.mode()), 2); // Mode
data.WriteBit(0); // HasSplineFilter
data.WriteBit(0); // Unknown_1
data.FlushBits();
//if (HasSplineFilterKey)
//{
// data << uint32(FilterKeysCount);
// for (var i = 0; i < FilterKeysCount; ++i)
// {
// data << float(In);
// data << float(Out);
// }
// data.WriteBits(FilterFlags, 2);
// data.FlushBits();
//}
switch (face)
{
case ::Movement::MONSTER_MOVE_FACING_SPOT:
data << moveSpline.facing.f; // FaceSpot
break;
case ::Movement::MONSTER_MOVE_FACING_TARGET:
data << moveSpline.facing.target; // FaceGUID
break;
case ::Movement::MONSTER_MOVE_FACING_ANGLE:
data << moveSpline.facing.angle; // FaceDirection
break;
}
if (HasJumpGravity)
data << float(moveSpline.vertical_acceleration); // JumpGravity
if (HasSpecialTime)
data << uint32(moveSpline.effect_start_time); // SpecialTime
//if (Unknown_1)
//{
// data << ObjectGuid();
// data << uint32();
// data << uint32();
// data << uint32();
//}
}
}
void WorldPackets::Movement::MonsterMove::InitializeSplineData(::Movement::MoveSpline const& moveSpline)
{
SplineData.ID = moveSpline.m_Id;
WorldPackets::Movement::MovementSpline& movementSpline = SplineData.Move;
::Movement::MoveSplineFlag splineFlags = moveSpline.splineflags;
splineFlags.enter_cycle = moveSpline.isCyclic();
movementSpline.Flags = uint32(splineFlags & uint32(~::Movement::MoveSplineFlag::Mask_No_Monster_Move));
switch (moveSpline.splineflags & ::Movement::MoveSplineFlag::Mask_Final_Facing)
{
case ::Movement::MoveSplineFlag::Final_Point:
movementSpline.Face = ::Movement::MONSTER_MOVE_FACING_SPOT;
movementSpline.FaceSpot = moveSpline.facing.f;
break;
case ::Movement::MoveSplineFlag::Final_Target:
movementSpline.Face = ::Movement::MONSTER_MOVE_FACING_TARGET;
movementSpline.FaceGUID = moveSpline.facing.target;
break;
case ::Movement::MoveSplineFlag::Final_Angle:
movementSpline.Face = ::Movement::MONSTER_MOVE_FACING_ANGLE;
movementSpline.FaceDirection = moveSpline.facing.angle;
break;
default:
movementSpline.Face = ::Movement::MONSTER_MOVE_NORMAL;
break;
}
if (splineFlags.animation)
{
movementSpline.AnimTier = splineFlags.getAnimationId();
movementSpline.TierTransStartTime = moveSpline.effect_start_time;
}
movementSpline.MoveTime = moveSpline.Duration();
if (splineFlags.parabolic)
{
movementSpline.JumpGravity = moveSpline.vertical_acceleration;
movementSpline.SpecialTime = moveSpline.effect_start_time;
}
::Movement::Spline<int32> const& spline = moveSpline.spline;
std::vector<G3D::Vector3> const& array = spline.getPoints();
if (splineFlags & ::Movement::MoveSplineFlag::UncompressedPath)
{
if (!splineFlags.cyclic)
{
uint32 count = spline.getPointCount() - 3;
for (uint32 i = 0; i < count; ++i)
movementSpline.Points.push_back(array[i + 2]);
}
else
{
uint32 count = spline.getPointCount() - 3;
movementSpline.Points.push_back(array[1]);
for (uint32 i = 0; i < count; ++i)
movementSpline.Points.push_back(array[i + 1]);
}
}
else
{
uint32 lastIdx = spline.getPointCount() - 3;
G3D::Vector3 const* realPath = &spline.getPoint(1);
movementSpline.Points.push_back(realPath[lastIdx]);
if (lastIdx > 1)
{
G3D::Vector3 middle = (realPath[0] + realPath[lastIdx]) / 2.f;
// first and last points already appended
for (uint32 i = 1; i < lastIdx; ++i)
movementSpline.PackedDeltas.push_back(middle - realPath[i]);
}
}
}
WorldPacket const* WorldPackets::Movement::MonsterMove::Write()
{
_worldPacket << MoverGUID;
_worldPacket << Pos;
_worldPacket << SplineData;
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::MoveSplineSetSpeed::Write()
{
_worldPacket << MoverGUID;
_worldPacket << Speed;
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::MoveSetSpeed::Write()
{
_worldPacket << MoverGUID;
_worldPacket << SequenceIndex;
_worldPacket << Speed;
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::MoveUpdateSpeed::Write()
{
_worldPacket << *movementInfo;
_worldPacket << Speed;
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::MoveSplineSetFlag::Write()
{
_worldPacket << MoverGUID;
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::MoveSetFlag::Write()
{
_worldPacket << MoverGUID;
_worldPacket << SequenceIndex;
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::MoveUpdate::Write()
{
_worldPacket << *movementInfo;
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::TransferPending::Write()
{
_worldPacket << int32(MapID);
_worldPacket.WriteBit(Ship.is_initialized());
_worldPacket.WriteBit(TransferSpellID.is_initialized());
if (Ship)
{
_worldPacket << uint32(Ship->ID);
_worldPacket << int32(Ship->OriginMapID);
}
if (TransferSpellID)
_worldPacket << int32(*TransferSpellID);
_worldPacket.FlushBits();
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::TransferAborted::Write()
{
_worldPacket << uint32(MapID);
_worldPacket << uint8(Arg);
_worldPacket.WriteBits(TransfertAbort, 5);
_worldPacket.FlushBits();
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::NewWorld::Write()
{
_worldPacket << MapID;
_worldPacket << Pos.PositionXYZOStream();
_worldPacket << Reason;
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::MoveTeleport::Write()
{
_worldPacket << MoverGUID;
_worldPacket << SequenceIndex;
_worldPacket << Pos.PositionXYZStream();
_worldPacket << Facing;
_worldPacket.WriteBit(TransportGUID.is_initialized());
_worldPacket.WriteBit(Vehicle.is_initialized());
_worldPacket.FlushBits();
if (TransportGUID)
_worldPacket << *TransportGUID;
if (Vehicle)
{
_worldPacket << Vehicle->VehicleSeatIndex;
_worldPacket.WriteBit(Vehicle->VehicleExitVoluntary);
_worldPacket.WriteBit(Vehicle->VehicleExitTeleport);
_worldPacket.FlushBits();
}
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::MoveUpdateTeleport::Write()
{
_worldPacket << *movementInfo;
_worldPacket << int32(MovementForces.size());
for (WorldPackets::Movement::MovementForce const& force : MovementForces)
{
_worldPacket << force.ID;
_worldPacket << force.Direction;
_worldPacket << force.TransportPosition;
_worldPacket << force.TransportID;
_worldPacket << force.Magnitude;
_worldPacket.WriteBits(force.Type, 2);
_worldPacket.FlushBits();
}
_worldPacket.WriteBit(WalkSpeed.is_initialized());
_worldPacket.WriteBit(RunSpeed.is_initialized());
_worldPacket.WriteBit(RunBackSpeed.is_initialized());
_worldPacket.WriteBit(SwimSpeed.is_initialized());
_worldPacket.WriteBit(SwimBackSpeed.is_initialized());
_worldPacket.WriteBit(FlightSpeed.is_initialized());
_worldPacket.WriteBit(FlightBackSpeed.is_initialized());
_worldPacket.WriteBit(TurnRate.is_initialized());
_worldPacket.WriteBit(PitchRate.is_initialized());
_worldPacket.FlushBits();
if (WalkSpeed)
_worldPacket << *WalkSpeed;
if (RunSpeed)
_worldPacket << *RunSpeed;
if (RunBackSpeed)
_worldPacket << *RunBackSpeed;
if (SwimSpeed)
_worldPacket << *SwimSpeed;
if (SwimBackSpeed)
_worldPacket << *SwimBackSpeed;
if (FlightSpeed)
_worldPacket << *FlightSpeed;
if (FlightBackSpeed)
_worldPacket << *FlightBackSpeed;
if (TurnRate)
_worldPacket << *TurnRate;
if (PitchRate)
_worldPacket << *PitchRate;
return &_worldPacket;
}
void WorldPackets::Movement::MoveTeleportAck::Read()
{
_worldPacket >> MoverGUID;
_worldPacket >> AckIndex;
_worldPacket >> MoveTime;
}
ByteBuffer& operator>>(ByteBuffer& data, WorldPackets::Movement::MovementAck& ack)
{
data >> ack.movementInfo;
data >> ack.AckIndex;
return data;
}
void WorldPackets::Movement::MovementAckMessage::Read()
{
_worldPacket >> Ack;
}
void WorldPackets::Movement::MovementSpeedAck::Read()
{
_worldPacket >> Ack;
_worldPacket >> Speed;
}
void WorldPackets::Movement::SetActiveMover::Read()
{
_worldPacket >> ActiveMover;
}
WorldPacket const* WorldPackets::Movement::MoveSetActiveMover::Write()
{
_worldPacket << MoverGUID;
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::MoveKnockBack::Write()
{
_worldPacket << MoverGUID;
_worldPacket << uint32(SequenceIndex);
_worldPacket << Direction;
_worldPacket << float(HorzSpeed);
_worldPacket << float(VertSpeed);
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::MoveUpdateKnockBack::Write()
{
_worldPacket << *movementInfo;
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::MoveSetCollisionHeight::Write()
{
_worldPacket << MoverGUID;
_worldPacket << uint32(SequenceIndex);
_worldPacket << float(Height);
_worldPacket << float(Scale);
_worldPacket << uint32(MountDisplayID);
_worldPacket.WriteBits(Reason, 2);
_worldPacket.FlushBits();
return &_worldPacket;
}
WorldPacket const* WorldPackets::Movement::MoveUpdateCollisionHeight::Write()
{
_worldPacket << *movementInfo;
_worldPacket << float(Height);
_worldPacket << float(Scale);
return &_worldPacket;
}
void WorldPackets::Movement::MoveSetCollisionHeightAck::Read()
{
_worldPacket >> Data;
_worldPacket >> Height;
_worldPacket >> MountDisplayID;
Reason = UpdateCollisionHeightReason(_worldPacket.ReadBits(2));
}
void WorldPackets::Movement::MoveTimeSkipped::Read()
{
_worldPacket >> MoverGUID;
_worldPacket >> TimeSkipped;
}
void WorldPackets::Movement::SummonResponse::Read()
{
_worldPacket >> SummonerGUID;
Accept = _worldPacket.ReadBit();
}
WorldPacket const* WorldPackets::Movement::ControlUpdate::Write()
{
_worldPacket << Guid;
_worldPacket.WriteBit(On);
_worldPacket.FlushBits();
return &_worldPacket;
}
void WorldPackets::Movement::MoveSplineDone::Read()
{
_worldPacket >> movementInfo;
_worldPacket >> SplineID;
}
WorldPacket const* WorldPackets::Movement::SummonRequest::Write()
{
_worldPacket << SummonerGUID;
_worldPacket << uint32(SummonerVirtualRealmAddress);
_worldPacket << int32(AreaID);
_worldPacket.WriteBit(SkipStartingArea);
_worldPacket.FlushBits();
return &_worldPacket;
}