00001 // Filename: dialNode.cxx 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 #include "dialNode.h" 00016 #include "config_device.h" 00017 #include "dataNodeTransmit.h" 00018 #include "dcast.h" 00019 00020 TypeHandle DialNode::_type_handle; 00021 00022 //////////////////////////////////////////////////////////////////// 00023 // Function: DialNode::Constructor 00024 // Access: Public 00025 // Description: 00026 //////////////////////////////////////////////////////////////////// 00027 DialNode:: 00028 DialNode(ClientBase *client, const string &device_name) : 00029 DataNode(device_name) 00030 { 00031 nassertv(client != (ClientBase *)NULL); 00032 PT(ClientDevice) device = 00033 client->get_device(ClientDialDevice::get_class_type(), device_name); 00034 00035 if (device == (ClientDevice *)NULL) { 00036 device_cat.warning() 00037 << "Unable to open dial device " << device_name << "\n"; 00038 return; 00039 } 00040 00041 if (!device->is_of_type(ClientDialDevice::get_class_type())) { 00042 device_cat.error() 00043 << "Inappropriate device type " << device->get_type() 00044 << " created; expected a ClientDialDevice.\n"; 00045 return; 00046 } 00047 00048 _dial = DCAST(ClientDialDevice, device); 00049 } 00050 00051 //////////////////////////////////////////////////////////////////// 00052 // Function: DialNode::Destructor 00053 // Access: Public, Virtual 00054 // Description: 00055 //////////////////////////////////////////////////////////////////// 00056 DialNode:: 00057 ~DialNode() { 00058 // When the _dial pointer destructs, the ClientDialDevice 00059 // disconnects itself from the ClientBase, and everything that needs 00060 // to get turned off does. Magic. 00061 } 00062 00063 //////////////////////////////////////////////////////////////////// 00064 // Function: DialNode::do_transmit_data 00065 // Access: Protected, Virtual 00066 // Description: The virtual implementation of transmit_data(). This 00067 // function receives an array of input parameters and 00068 // should generate an array of output parameters. The 00069 // input parameters may be accessed with the index 00070 // numbers returned by the define_input() calls that 00071 // were made earlier (presumably in the constructor); 00072 // likewise, the output parameters should be set with 00073 // the index numbers returned by the define_output() 00074 // calls. 00075 //////////////////////////////////////////////////////////////////// 00076 void DialNode:: 00077 do_transmit_data(DataGraphTraverser *, const DataNodeTransmit &, 00078 DataNodeTransmit &output) { 00079 if (is_valid()) { 00080 _dial->poll(); 00081 00082 // Not clear yet what we should be transmitting. 00083 } 00084 }