Panda3D

dialNode.I

00001 // Filename: dialNode.I
00002 // Created by:  drose (12Mar02)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 
00016 ////////////////////////////////////////////////////////////////////
00017 //     Function: DialNode::is_valid
00018 //       Access: Public
00019 //  Description: Returns true if the DialNode is valid and
00020 //               connected to a server, false otherwise.
00021 ////////////////////////////////////////////////////////////////////
00022 INLINE bool DialNode::
00023 is_valid() const {
00024   return (_dial != (ClientDialDevice *)NULL) && _dial->is_connected();
00025 }
00026 
00027 ////////////////////////////////////////////////////////////////////
00028 //     Function: DialNode::get_num_dials
00029 //       Access: Public
00030 //  Description: Returns the number of dial dials known to the
00031 //               DialNode.  This number may change as more dials
00032 //               are discovered.
00033 ////////////////////////////////////////////////////////////////////
00034 INLINE int DialNode::
00035 get_num_dials() const {
00036   _dial->acquire();
00037   int result = _dial->get_num_dials();
00038   _dial->unlock();
00039   return result;
00040 }
00041 
00042 ////////////////////////////////////////////////////////////////////
00043 //     Function: DialNode::read_dial
00044 //       Access: Public
00045 //  Description: Returns the number of complete revolutions of the
00046 //               dial since the last time read_dial() was called.
00047 //               This is a destructive operation; it is not possible
00048 //               to read the dial without resetting the counter.
00049 ////////////////////////////////////////////////////////////////////
00050 INLINE double DialNode::
00051 read_dial(int index) {
00052   _dial->acquire();
00053   double result = _dial->read_dial(index);
00054   _dial->unlock();
00055   return result;
00056 }
00057 
00058 ////////////////////////////////////////////////////////////////////
00059 //     Function: DialNode::is_dial_known
00060 //       Access: Public
00061 //  Description: Returns true if the state of the indicated dial
00062 //               dial is known, or false if we have never heard
00063 //               anything about this particular dial.
00064 ////////////////////////////////////////////////////////////////////
00065 INLINE bool DialNode::
00066 is_dial_known(int index) const {
00067   _dial->acquire();
00068   bool result = _dial->is_dial_known(index);
00069   _dial->unlock();
00070   return result;
00071 }
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