85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
// Filename: dialNode.cxx
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// Created by: drose (12Mar02)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#include "dialNode.h"
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#include "config_device.h"
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#include "dataNodeTransmit.h"
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#include "dcast.h"
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TypeHandle DialNode::_type_handle;
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////////////////////////////////////////////////////////////////////
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// Function: DialNode::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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DialNode::
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DialNode(ClientBase *client, const string &device_name) :
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DataNode(device_name)
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{
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nassertv(client != (ClientBase *)NULL);
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PT(ClientDevice) device =
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client->get_device(ClientDialDevice::get_class_type(), device_name);
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if (device == (ClientDevice *)NULL) {
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device_cat.warning()
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<< "Unable to open dial device " << device_name << "\n";
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return;
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}
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if (!device->is_of_type(ClientDialDevice::get_class_type())) {
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device_cat.error()
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<< "Inappropriate device type " << device->get_type()
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<< " created; expected a ClientDialDevice.\n";
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return;
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}
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_dial = DCAST(ClientDialDevice, device);
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}
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////////////////////////////////////////////////////////////////////
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// Function: DialNode::Destructor
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// Access: Public, Virtual
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// Description:
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////////////////////////////////////////////////////////////////////
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DialNode::
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~DialNode() {
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// When the _dial pointer destructs, the ClientDialDevice
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// disconnects itself from the ClientBase, and everything that needs
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// to get turned off does. Magic.
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}
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////////////////////////////////////////////////////////////////////
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// Function: DialNode::do_transmit_data
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// Access: Protected, Virtual
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// Description: The virtual implementation of transmit_data(). This
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// function receives an array of input parameters and
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// should generate an array of output parameters. The
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// input parameters may be accessed with the index
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// numbers returned by the define_input() calls that
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// were made earlier (presumably in the constructor);
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// likewise, the output parameters should be set with
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// the index numbers returned by the define_output()
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// calls.
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////////////////////////////////////////////////////////////////////
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void DialNode::
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do_transmit_data(DataGraphTraverser *, const DataNodeTransmit &,
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DataNodeTransmit &output) {
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if (is_valid()) {
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_dial->poll();
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// Not clear yet what we should be transmitting.
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}
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}
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