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panda/src/vrpn/vrpnClient.I

Go to the documentation of this file.

// Filename: vrpnClient.I
// Created by:  jason (04Aug00)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license.  You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////



////////////////////////////////////////////////////////////////////
//     Function: VrpnClient::get_server_name
//       Access: Public
//  Description: Returns the name of the server as passed to the
//               VrpnClient constructor.
////////////////////////////////////////////////////////////////////
INLINE const string &VrpnClient::
get_server_name() const {
  return _server_name;
}

////////////////////////////////////////////////////////////////////
//     Function: VrpnClient::is_valid
//       Access: Public
//  Description: Returns true if everything seems to be kosher with
//               the server (even if there is no connection), or false
//               otherwise.
////////////////////////////////////////////////////////////////////
INLINE bool VrpnClient::
is_valid() const {
  return (_connection->doing_okay() != 0);
}

////////////////////////////////////////////////////////////////////
//     Function: VrpnClient::is_connected
//       Access: Public
//  Description: Returns true if the connection is established
//               succesfully, false otherwise.
////////////////////////////////////////////////////////////////////
INLINE bool VrpnClient::
is_connected() const {
  return (_connection->connected() != 0);
}


////////////////////////////////////////////////////////////////////
//     Function: VrpnClient::convert_to_secs
//       Access: Public, Static
//  Description: Little inline function to convert a struct timeval
//               to only seconds
////////////////////////////////////////////////////////////////////
INLINE double VrpnClient::
convert_to_secs(struct timeval msg_time) {
  return (double)(msg_time.tv_sec) + (double)msg_time.tv_usec * 0.000001;
}




#if 0

////////////////////////////////////////////////////////////////////
//     Function: VrpnClient::constructor
//       Access: Public
//  Description:
////////////////////////////////////////////////////////////////////
INLINE VrpnClient::
VrpnClient(const string &server) :
  ClientBase(server)
{
  _connection = vrpn_get_connection_by_name(server.c_str());
}

////////////////////////////////////////////////////////////////////
//     Function: VrpnClient::tracker_position
//       Access: Private
//  Description: Stores the latest position information as sent by
//               the tracker (for the particular sensor we have
//               interest in)
////////////////////////////////////////////////////////////////////
INLINE void VrpnClient::
tracker_position(const string &tracker, const vrpn_TRACKERCB info) {
  double ptime = convert_to_secs(info.msg_time);
  LPoint3f pos(info.pos[0], info.pos[1], info.pos[2]);
  LVector4f pquat(info.quat[0], info.quat[1], info.quat[2], info.quat[3]);

  push_tracker_position(tracker, info.sensor, ptime, pos, pquat);
}

////////////////////////////////////////////////////////////////////
//     Function: VrpnClient::tracker_velocity
//       Access: Private
//  Description: Stores the latest velocity information as sent by
//               the tracker (for the particular sensor we have
//               interest in)
////////////////////////////////////////////////////////////////////
INLINE void VrpnClient::
tracker_velocity(const string &tracker, const vrpn_TRACKERVELCB info) {
  double vtime = convert_to_secs(info.msg_time);
  LPoint3f vel(info.vel[0], info.vel[1], info.vel[2]);
  LVector4f vquat(info.vel_quat[0], info.vel_quat[1],
                  info.vel_quat[2], info.vel_quat[3]);
  float dt = info.vel_quat_dt;

  push_tracker_velocity(tracker, info.sensor, vtime, vel, vquat, dt);
}
////////////////////////////////////////////////////////////////////
//     Function: VrpnClient::tracker_acceleration
//       Access: Private
//  Description: Stores the latest acceleration information as sent by
//               the tracker (for the particular sensor we have
//               interest in)
////////////////////////////////////////////////////////////////////
INLINE void VrpnClient::
tracker_acceleration(const string &tracker, const vrpn_TRACKERACCCB info) {
  double atime = convert_to_secs(info.msg_time);
  LPoint3f acc(info.acc[0], info.acc[1], info.acc[2]);
  LVector4f aquat(info.acc_quat[0], info.acc_quat[1],
                  info.acc_quat[2], info.acc_quat[3]);
  float dt = info.acc_quat_dt;

  push_tracker_acceleration(tracker, info.sensor, atime, acc, aquat, dt);
}

////////////////////////////////////////////////////////////////////
//     Function: VrpnClient::analog
//       Access: Private
//  Description: Stores the latest information as sent by
//               the analog device
////////////////////////////////////////////////////////////////////
INLINE void VrpnClient::
analog(const string &analog, const vrpn_ANALOGCB info) {
  double atime = convert_to_secs(info.msg_time);

  push_analog(analog, atime, info.channel, info.num_channel);
}

////////////////////////////////////////////////////////////////////
//     Function: VrpnClient::button
//       Access: Private
//  Description: Stores the latest button pressed information as sent by
//               the button
////////////////////////////////////////////////////////////////////
INLINE void VrpnClient::
button(const string &button, const vrpn_BUTTONCB info) {
  double btime = convert_to_secs(info.msg_time);

  push_button(button, btime, info.button, info.state);
}

////////////////////////////////////////////////////////////////////
//     Function: VrpnClient::dial
//       Access: Private
//  Description: Stores the latest change information as sent by
//               the dial
////////////////////////////////////////////////////////////////////
INLINE void VrpnClient::
dial(const string &dial, const vrpn_DIALCB info) {
  double dtime = convert_to_secs(info.msg_time);

  push_dial(dial, dtime, info.dial, info.change);
}

#endif

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