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dialNode.cxx
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74 lines (65 loc) · 1.95 KB
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/**
* 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."
*
* @file dialNode.cxx
* @author drose
* @date 2002-03-12
*/
#include "dialNode.h"
#include "config_device.h"
#include "dataNodeTransmit.h"
#include "dcast.h"
TypeHandle DialNode::_type_handle;
/**
*
*/
DialNode::
DialNode(ClientBase *client, const std::string &device_name) :
DataNode(device_name)
{
nassertv(client != nullptr);
PT(ClientDevice) device =
client->get_device(ClientDialDevice::get_class_type(), device_name);
if (device == nullptr) {
device_cat.warning()
<< "Unable to open dial device " << device_name << "\n";
return;
}
if (!device->is_of_type(ClientDialDevice::get_class_type())) {
device_cat.error()
<< "Inappropriate device type " << device->get_type()
<< " created; expected a ClientDialDevice.\n";
return;
}
_dial = DCAST(ClientDialDevice, device);
}
/**
*
*/
DialNode::
~DialNode() {
// When the _dial pointer destructs, the ClientDialDevice disconnects itself
// from the ClientBase, and everything that needs to get turned off does.
// Magic.
}
/**
* The virtual implementation of transmit_data(). This function receives an
* array of input parameters and should generate an array of output
* parameters. The input parameters may be accessed with the index numbers
* returned by the define_input() calls that were made earlier (presumably in
* the constructor); likewise, the output parameters should be set with the
* index numbers returned by the define_output() calls.
*/
void DialNode::
do_transmit_data(DataGraphTraverser *, const DataNodeTransmit &,
DataNodeTransmit &output) {
if (is_valid()) {
_dial->poll();
// Not clear yet what we should be transmitting.
}
}