102 lines
3.6 KiB
Plaintext
102 lines
3.6 KiB
Plaintext
// Filename: clientDialDevice.I
|
|
// Created by: drose (26Jan01)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// PANDA 3D SOFTWARE
|
|
// Copyright (c) Carnegie Mellon University. All rights reserved.
|
|
//
|
|
// All use of this software is subject to the terms of the revised BSD
|
|
// license. You should have received a copy of this license along
|
|
// with this source code in a file named "LICENSE."
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ClientDialDevice::DialState::Constructor
|
|
// Access: Public
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE ClientDialDevice::DialState::
|
|
DialState() :
|
|
_offset(0.0),
|
|
_known(false)
|
|
{
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ClientDialDevice::Constructor
|
|
// Access: Protected
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE ClientDialDevice::
|
|
ClientDialDevice(ClientBase *client, const string &device_name):
|
|
ClientDevice(client, get_class_type(), device_name)
|
|
{
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ClientDialDevice::get_num_dials
|
|
// Access: Public
|
|
// Description: Returns the number of dial dials known to the
|
|
// ClientDialDevice. This number may change as
|
|
// more dials are discovered.
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE int ClientDialDevice::
|
|
get_num_dials() const {
|
|
return _dials.size();
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ClientDialDevice::push_dial
|
|
// Access: Public
|
|
// Description: Marks that the dial has been offset by the indicated
|
|
// amount. It is the user's responsibility to ensure
|
|
// that this call is protected within acquire().
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE void ClientDialDevice::
|
|
push_dial(int index, double offset) {
|
|
ensure_dial_index(index);
|
|
nassertv(index >= 0 && index < (int)_dials.size());
|
|
_dials[index]._offset += offset;
|
|
_dials[index]._known = true;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ClientDialDevice::read_dial
|
|
// Access: Public
|
|
// Description: Returns the number of complete revolutions of the
|
|
// dial since the last time read_dial() was called.
|
|
// This is a destructive operation; it is not possible
|
|
// to read the dial without resetting the counter.
|
|
//
|
|
// It is the user's responsibility to ensure that this
|
|
// call is protected within acquire().
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE double ClientDialDevice::
|
|
read_dial(int index) {
|
|
if (index >= 0 && index < (int)_dials.size()) {
|
|
double result = _dials[index]._offset;
|
|
_dials[index]._offset = 0.0;
|
|
return result;
|
|
} else {
|
|
return 0.0;
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ClientDialDevice::is_dial_known
|
|
// Access: Public
|
|
// Description: Returns true if the state of the indicated dial
|
|
// dial is known, or false if we have never heard
|
|
// anything about this particular dial.
|
|
////////////////////////////////////////////////////////////////////
|
|
INLINE bool ClientDialDevice::
|
|
is_dial_known(int index) const {
|
|
if (index >= 0 && index < (int)_dials.size()) {
|
|
return _dials[index]._known;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|