126 lines
3.9 KiB
C++
126 lines
3.9 KiB
C++
// Filename: trackerNode.cxx
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// Created by: jason (07Aug00)
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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) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#include "trackerNode.h"
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#include "config_device.h"
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////////////////////////////////////////////////////////////////////
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// Static variables
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////////////////////////////////////////////////////////////////////
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TypeHandle TrackerNode::_type_handle;
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TypeHandle TrackerNode::_transform_type;
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////////////////////////////////////////////////////////////////////
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// Function: TrackerNode::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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TrackerNode::
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TrackerNode(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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set_tracker_coordinate_system(client->get_coordinate_system());
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set_graph_coordinate_system(CS_default);
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PT(ClientDevice) device =
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client->get_device(ClientTrackerDevice::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 tracker device " << device_name << "\n";
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return;
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}
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if (!device->is_of_type(ClientTrackerDevice::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 ClientTrackerDevice.\n";
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return;
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}
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_tracker = DCAST(ClientTrackerDevice, device);
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if (_tracker != (ClientTrackerDevice *)NULL) {
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_transform_attrib = new MatrixDataTransition;
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_attrib.set_transition(_transform_type, _transform_attrib);
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: TrackerNode::Destructor
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// Access: Public, Virtual
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// Description:
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////////////////////////////////////////////////////////////////////
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TrackerNode::
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~TrackerNode() {
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// When the _tracker pointer destructs, the ClientTrackerDevice
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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: TrackerNode::transmit_data
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// Access: Public, Virtual
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// Description:
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////////////////////////////////////////////////////////////////////
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void TrackerNode::
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transmit_data(AllTransitionsWrapper &data) {
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if (is_valid()) {
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_tracker->poll();
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_tracker->lock();
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_data = _tracker->get_data();
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_tracker->unlock();
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_data.get_orient().extract_to_matrix(_transform);
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if (_tracker_cs != _graph_cs) {
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// Convert the rotation for passing down the data graph.
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_transform = _transform * LMatrix4f::convert_mat(_tracker_cs, _graph_cs);
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}
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_transform.set_row(3, _data.get_pos());
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_transform_attrib->set_value(_transform);
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if (device_cat.is_debug()) {
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device_cat.debug() << "TrackerNode:transitions" << endl;
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_attrib.write(device_cat.debug(false), 3);
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}
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}
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data = _attrib;
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}
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////////////////////////////////////////////////////////////////////
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// Function: TrackerNode::init_type
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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void TrackerNode::
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init_type() {
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DataNode::init_type();
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register_type(_type_handle, "TrackerNode",
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DataNode::get_class_type());
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MatrixDataTransition::init_type();
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register_data_transition(_transform_type, "Transform",
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MatrixDataTransition::get_class_type());
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}
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