public void ReadUpdatePacketHeader(ReadStream r, out PacketHeader h)
{
byte packetType = 0;
r.Bits(out packetType, 8);
Debug.Assert(packetType == (byte)StateUpdate);
r.Bits(out h.id, 16);
r.Bits(out h.ack, 16);
r.Bits(out h.ackBits, 32);
r.Bits(out h.frame, 32);
r.Bits(out h.resetId, 16);
r.Float(out h.timeOffset);
}
public void ReadUpdatePacket(ReadStream r, out PacketHeader header, out int avatarCount, AvatarStateQuantized[] avatars, out int cubeCount, int[] cubeIds, bool[] notChanged, bool[] hasDelta, bool[] hasPerfectPrediction, bool[] hasPrediction, ushort[] baselineIds, CubeState[] cubes, CubeDelta[] deltas, CubeDelta[] predictions
)
{
byte packetType = 0;
r.Bits(out packetType, 8);
Debug.Assert(packetType == (byte)StateUpdate);
r.Bits(out header.id, 16);
r.Bits(out header.ack, 16);
r.Bits(out header.ackBits, 32);
r.Bits(out header.frame, 32);
r.Bits(out header.resetId, 16);
r.Float(out header.timeOffset);
r.Int(out avatarCount, 0, MaxClients);
for (int i = 0; i < avatarCount; ++i)
{
ReadAvatar(r, out avatars[i]);
}
r.Int(out cubeCount, 0, MaxStateUpdates);
for (int i = 0; i < cubeCount; ++i)
{
hasDelta[i] = false;
hasPerfectPrediction[i] = false;
hasPrediction[i] = false;
r.Int(out cubeIds[i], 0, MaxCubes - 1);
#if DEBUG_DELTA_COMPRESSION
read_int(stream, out cubeDelta[i].absolute_position_x, PositionMinimumXZ, PositionMaximumXZ);
read_int(stream, out cubeDelta[i].absolute_position_y, PositionMinimumY, PositionMaximumY);
read_int(stream, out cubeDelta[i].absolute_position_z, PositionMinimumXZ, PositionMaximumXZ);
#endif // #if DEBUG_DELTA_COMPRESSION
r.Int(out cubes[i].authorityId, 0, MaxAuthority - 1);
r.Bits(out cubes[i].authorityPacketId, 16);
r.Bits(out cubes[i].ownershipId, 16);
r.Bool(out notChanged[i]);
if (notChanged[i])
{
r.Bits(out baselineIds[i], 16);
continue;
}
r.Bool(out hasPerfectPrediction[i]);
if (hasPerfectPrediction[i])
{
r.Bits(out baselineIds[i], 16);
r.Bits(out cubes[i].rotationLargest, 2);
r.Bits(out cubes[i].rotationX, RotationBits);
r.Bits(out cubes[i].rotationY, RotationBits);
r.Bits(out cubes[i].rotationZ, RotationBits);
cubes[i].isActive = true;
continue;
}
r.Bool(out hasPrediction[i]);
if (hasPrediction[i])
{
r.Bits(out baselineIds[i], 16);
r.Bool(out cubes[i].isActive);
ReadLinearVelocityDelta(r, out predictions[i].linearVelocityX, out predictions[i].linearVelocityY, out predictions[i].linearVelocityZ);
ReadAngularVelocityDelta(r, out predictions[i].angularVelocityX, out predictions[i].angularVelocityY, out predictions[i].angularVelocityZ);
ReadPositionDelta(r, out predictions[i].positionX, out predictions[i].positionY, out predictions[i].positionZ);
r.Bits(out cubes[i].rotationLargest, 2);
r.Bits(out cubes[i].rotationX, RotationBits);
r.Bits(out cubes[i].rotationY, RotationBits);
r.Bits(out cubes[i].rotationZ, RotationBits);
continue;
}
r.Bool(out hasDelta[i]);
if (hasDelta[i])
{
r.Bits(out baselineIds[i], 16);
r.Bool(out cubes[i].isActive);
ReadLinearVelocityDelta(r, out deltas[i].linearVelocityX, out deltas[i].linearVelocityY, out deltas[i].linearVelocityZ);
ReadAngularVelocityDelta(r, out deltas[i].angularVelocityX, out deltas[i].angularVelocityY, out deltas[i].angularVelocityZ);
ReadPositionDelta(r, out deltas[i].positionX, out deltas[i].positionY, out deltas[i].positionZ);
r.Bits(out cubes[i].rotationLargest, 2);
r.Bits(out cubes[i].rotationX, RotationBits);
r.Bits(out cubes[i].rotationY, RotationBits);
r.Bits(out cubes[i].rotationZ, RotationBits);
continue;
}
r.Bool(out cubes[i].isActive);
r.Int(out cubes[i].positionX, MinPositionXZ, MaxPositionXZ);
r.Int(out cubes[i].positionY, MinPositionY, MaxPositionY);
r.Int(out cubes[i].positionZ, MinPositionXZ, MaxPositionXZ);
r.Bits(out cubes[i].rotationLargest, 2);
r.Bits(out cubes[i].rotationX, RotationBits);
r.Bits(out cubes[i].rotationY, RotationBits);
r.Bits(out cubes[i].rotationZ, RotationBits);
if (cubes[i].isActive)
{
r.Int(out cubes[i].linearVelocityX, LinearVelocityMinimum, LinearVelocityMaximum);
r.Int(out cubes[i].linearVelocityY, LinearVelocityMinimum, LinearVelocityMaximum);
r.Int(out cubes[i].linearVelocityZ, LinearVelocityMinimum, LinearVelocityMaximum);
r.Int(out cubes[i].angularVelocityX, AngularVelocityMinimum, AngularVelocityMaximum);
r.Int(out cubes[i].angularVelocityY, AngularVelocityMinimum, AngularVelocityMaximum);
r.Int(out cubes[i].angularVelocityZ, AngularVelocityMinimum, AngularVelocityMaximum);
continue;
}
cubes[i].linearVelocityX = 0;
cubes[i].linearVelocityY = 0;
cubes[i].linearVelocityZ = 0;
cubes[i].angularVelocityX = 0;
cubes[i].angularVelocityY = 0;
cubes[i].angularVelocityZ = 0;
}
}