static void WriteCommonMonsterMovePart(MoveSpline move_spline, ref PacketWriter data)
{
MoveSplineFlag splineflags = move_spline.splineflags;
data.WriteUInt8(0); // sets/unsets MOVEMENTFLAG2_UNK7 (0x40)
data.WriteVec3(move_spline.spline.getPoint(move_spline.spline.first()));
data.WriteUInt32(move_spline.GetId());
switch (splineflags.Raw() & MoveSplineFlag.eFlags.Mask_Final_Facing)
{
case MoveSplineFlag.eFlags.Final_Target:
data.WriteUInt8(MonsterMoveType.FacingTarget);
data.WriteUInt64(move_spline.facing.target);
break;
case MoveSplineFlag.eFlags.Final_Angle:
data.WriteUInt8(MonsterMoveType.FacingAngle);
data.WriteFloat(move_spline.facing.angle);
break;
case MoveSplineFlag.eFlags.Final_Point:
data.WriteUInt8(MonsterMoveType.FacingSpot);
data.WriteFloat(move_spline.facing.x);
data.WriteFloat(move_spline.facing.y);
data.WriteFloat(move_spline.facing.z);
break;
default:
data.WriteUInt8(MonsterMoveType.Normal);
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.WriteUInt32(splineflags.Raw() & ~MoveSplineFlag.eFlags.Mask_No_Monster_Move);
if (splineflags.animation)
{
data.WriteUInt8(splineflags.getAnimationId());
data.WriteInt32(move_spline.effect_start_time);
}
data.WriteInt32(move_spline.Duration());
if (splineflags.parabolic)
{
data.WriteFloat(move_spline.vertical_acceleration);
data.WriteInt32(move_spline.effect_start_time);
}
}
public static void WriteCreateBits(MoveSpline moveSpline, ref PacketWriter data)
{
if (!moveSpline.Finalized())
{
return;
}
data.WriteBit(moveSpline.Finalized());
data.WriteBits(moveSpline.getPath().Length, 22);
data.WriteBits(moveSpline.splineflags.Raw(), 25);
switch (moveSpline.splineflags.Raw() & MoveSplineFlag.eFlags.Mask_Final_Facing)
{
case MoveSplineFlag.eFlags.Final_Target:
{
ObjectGuid targetGuid = new ObjectGuid(moveSpline.facing.target);
data.WriteBits(1, 2);
data.WriteBit(targetGuid[0]);
data.WriteBit(targetGuid[1]);
data.WriteBit(targetGuid[6]);
data.WriteBit(targetGuid[5]);
data.WriteBit(targetGuid[2]);
data.WriteBit(targetGuid[3]);
data.WriteBit(targetGuid[4]);
data.WriteBit(targetGuid[7]);
break;
}
case MoveSplineFlag.eFlags.Final_Angle:
data.WriteBits(0, 2);
break;
case MoveSplineFlag.eFlags.Final_Point:
data.WriteBits(3, 2);
break;
default:
data.WriteBits(2, 2);
break;
}
data.WriteBits(moveSpline.spline.m_mode, 2);
data.WriteBit(Convert.ToBoolean(moveSpline.splineflags.Raw() & MoveSplineFlag.eFlags.Parabolic) && moveSpline.effect_start_time < moveSpline.Duration());
}
public static void WriteMonsterMove(MoveSpline move_spline, ref PacketWriter data)
{
WriteCommonMonsterMovePart(move_spline, ref data);
Spline spline = move_spline.spline;
MoveSplineFlag splineflags = move_spline.splineflags;
if (Convert.ToBoolean(splineflags.Raw() & MoveSplineFlag.eFlags.UncompressedPath))
{
if (splineflags.cyclic)
{
WriteCatmullRomCyclicPath(spline, ref data);
}
else
{
WriteCatmullRomPath(spline, ref data);
}
}
else
{
WriteLinearPath(spline, ref data);
}
}
public void Launch()
{
MoveSpline move_spline = unit.movespline;
Vector4 real_position = new Vector4(unit.GetPositionX(), unit.GetPositionY(), unit.GetPositionZ(), unit.GetOrientation());
// Elevators also use MOVEMENTFLAG_ONTRANSPORT but we do not keep track of their position changes
if (unit.GetTransGUID() != 0)
{
//real_position.x = unit.GetTransOffsetX();
//real_position.y = unit.GetTransOffsetY();
//real_position.z = unit.GetTransOffsetZ();
//real_position.orientation = unit.GetTransOffsetO();
}
// there is a big chance that current position is unknown if current state is not finalized, need compute it
// this also allows calculate spline position and update map position in much greater intervals
// Don't compute for transport movement if the unit is in a motion between two transports
if (!move_spline.Finalized() && move_spline.onTransport == (unit.GetTransGUID() != 0))
{
real_position = move_spline.ComputePosition();
}
// should i do the things that user should do? - no.
if (args.path.Count() == 0)
{
return;
}
// correct first vertex
args.path[0] = new Vector3(real_position.X, real_position.Y, real_position.Z);
args.initialOrientation = real_position.O;
move_spline.onTransport = (unit.GetTransGUID() != 0);
MovementFlag moveFlags = unit.movementInfo.GetMovementFlags();
if (args.flags.walkmode)
{
moveFlags |= MovementFlag.Walk;
}
else
{
moveFlags &= ~MovementFlag.Walk;
}
moveFlags |= MovementFlag.Forward;
if (!args.HasVelocity)
{
args.velocity = unit.GetSpeed(SelectSpeedType(moveFlags));
}
if (!args.Validate(unit))
{
return;
}
//if (Convert.ToBoolean(moveFlags & MovementFlag.Root))
//moveFlags &= ~MOVEMENTFLAG_MASK_MOVING;
unit.movementInfo.SetMovementFlags(moveFlags);
move_spline.Initialize(args);
PacketWriter data = new PacketWriter(Opcodes.SMSG_MonsterMove);
data.WritePackedGuid(unit.GetPackGUID());
if (unit.GetTransGUID() != 0)
{
data = new PacketWriter(Opcodes.SMSG_MonsterMoveTransport);
data.WritePackedGuid(unit.GetPackGUID());
data.WritePackedGuid(unit.GetTransGUID());
data.WriteUInt8(0);//unit.GetTransSeat());
}
MovementPacketBuilder.WriteMonsterMove(move_spline, ref data);
unit.SendMessageToSet(data, true);
}
public static void WriteCreateData(MoveSpline moveSpline, ref PacketWriter data)
{
if (!moveSpline.Finalized())
{
MoveSplineFlag splineFlags = moveSpline.splineflags;
if (splineFlags.final_target)
{
ObjectGuid facingGuid = new ObjectGuid(moveSpline.facing.target);
data.WriteByteSeq(facingGuid[3]);
data.WriteByteSeq(facingGuid[2]);
data.WriteByteSeq(facingGuid[0]);
data.WriteByteSeq(facingGuid[5]);
data.WriteByteSeq(facingGuid[6]);
data.WriteByteSeq(facingGuid[7]);
data.WriteByteSeq(facingGuid[4]);
data.WriteByteSeq(facingGuid[1]);
}
data.WriteInt32(moveSpline.timePassed());
data.WriteUInt32(moveSpline.Duration());
if (Convert.ToBoolean(splineFlags.Raw() & MoveSplineFlag.eFlags.Parabolic) && moveSpline.effect_start_time < moveSpline.Duration())
{
data.WriteFloat(moveSpline.vertical_acceleration);
}
data.WriteFloat(1.0f); // splineInfo.duration_mod_next; added in 3.1
data.WriteFloat(1.0f); // splineInfo.duration_mod; added in 3.1
if (splineFlags.final_point)
{
data.WriteFloat(moveSpline.facing.x);
data.WriteFloat(moveSpline.facing.y);
data.WriteFloat(moveSpline.facing.z);
}
if (Convert.ToBoolean(splineFlags.Raw() & (MoveSplineFlag.eFlags.Parabolic | MoveSplineFlag.eFlags.Animation)))
{
data.WriteInt32(moveSpline.effect_start_time); // added in 3.1
}
int nodes = moveSpline.getPath().Length;
for (var i = 0; i < nodes; ++i)
{
data.WriteFloat(moveSpline.getPath()[i].Z);
data.WriteFloat(moveSpline.getPath()[i].X);
data.WriteFloat(moveSpline.getPath()[i].Y);
}
if (splineFlags.final_angle)
{
data.WriteFloat(moveSpline.facing.angle);
}
}
if (!moveSpline.isCyclic())
{
Vector3 dest = moveSpline.FinalDestination();
data.WriteFloat(dest.Z);
data.WriteFloat(dest.X);
data.WriteFloat(dest.Y);
}
else
{
data.WriteVec3(Vector3.Zero);
}
data.WriteUInt32(moveSpline.GetId());
}