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panda/src/device/clientBase.I

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// Filename: clientBase.I
// Created by:  drose (25Jan01)
//
////////////////////////////////////////////////////////////////////
//
// 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: ClientBase::is_forked
//       Access: Public
//  Description: Returns true if the ClientBase has been forked (and,
//               therefore, poll() does not need to be called), false
//               otherwise.
////////////////////////////////////////////////////////////////////
INLINE bool ClientBase::
is_forked() const {
  return _forked;
}

////////////////////////////////////////////////////////////////////
//     Function: ClientBase::poll
//       Access: Public
//  Description: Initiates a poll of the client devices, if we are not
//               forked and if we have not already polled this frame.
//               Returns true if the poll occurred, or false if it did
//               not.
////////////////////////////////////////////////////////////////////
INLINE bool ClientBase::
poll() {
  if (_forked ||
      _last_poll_frame == ClockObject::get_global_clock()->get_frame_count()) {
    return false;
  }

  do_poll();
  return true;
}

////////////////////////////////////////////////////////////////////
//     Function: ClientBase::get_last_poll_time
//       Access: Public
//  Description: Returns the time (according to the global
//               ClockObject's get_real_time() method) of the last
//               device poll.
////////////////////////////////////////////////////////////////////
INLINE double ClientBase::
get_last_poll_time() const {
  return _last_poll_time;
}

////////////////////////////////////////////////////////////////////
//     Function: ClientBase::set_coordinate_system
//       Access: Published
//  Description: Specifies the coordinate system that all devices
//               associated with this client will operate in.
//               Normally, this is CS_default.
////////////////////////////////////////////////////////////////////
void ClientBase::
set_coordinate_system(CoordinateSystem cs) {
  _cs = cs;
}

////////////////////////////////////////////////////////////////////
//     Function: ClientBase::get_coordinate_system
//       Access: Published
//  Description: Returns the coordinate system that all devices
//               associated with this client will operate in.
//               Normally, this is CS_default.
////////////////////////////////////////////////////////////////////
INLINE CoordinateSystem ClientBase::
get_coordinate_system() const {
  return _cs;
}

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