135 lines
4.8 KiB
C++
135 lines
4.8 KiB
C++
// Filename: dataNodeTransmit.cxx
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// Created by: drose (11Mar02)
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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 - 2004, 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://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#include "dataNodeTransmit.h"
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#include "bamReader.h"
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#include "bamWriter.h"
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TypeHandle DataNodeTransmit::_type_handle;
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////////////////////////////////////////////////////////////////////
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// Function: DataNodeTransmit::Destructor
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// Access: Public, Virtual
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// Description:
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////////////////////////////////////////////////////////////////////
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DataNodeTransmit::
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~DataNodeTransmit() {
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}
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////////////////////////////////////////////////////////////////////
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// Function: DataNodeTransmit::slot_data
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// Access: Private
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// Description: Ensures that the given index number exists in the
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// data array.
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////////////////////////////////////////////////////////////////////
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void DataNodeTransmit::
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slot_data(int index) {
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nassertv(index < 1000);
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while (index >= (int)_data.size()) {
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_data.push_back(EventParameter());
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: DataNodeTransmit::register_with_read_factory
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// Access: Public, Static
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// Description: Tells the BamReader how to create objects of type
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// Lens.
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////////////////////////////////////////////////////////////////////
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void DataNodeTransmit::
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register_with_read_factory() {
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BamReader::get_factory()->register_factory(get_class_type(), make_from_bam);
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}
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////////////////////////////////////////////////////////////////////
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// Function: DataNodeTransmit::write_datagram
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// Access: Public, Virtual
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// Description: Writes the contents of this object to the datagram
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// for shipping out to a Bam file.
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////////////////////////////////////////////////////////////////////
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void DataNodeTransmit::
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write_datagram(BamWriter *manager, Datagram &dg) {
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TypedWritable::write_datagram(manager, dg);
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dg.add_uint16(_data.size());
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Data::const_iterator di;
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for (di = _data.begin(); di != _data.end(); ++di) {
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const EventParameter ¶m = (*di);
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TypedWritableReferenceCount *ptr = param.get_ptr();
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manager->write_pointer(dg, ptr);
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: DataNodeTransmit::complete_pointers
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// Access: Public, Virtual
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// Description: Receives an array of pointers, one for each time
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// manager->read_pointer() was called in fillin().
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// Returns the number of pointers processed.
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////////////////////////////////////////////////////////////////////
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int DataNodeTransmit::
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complete_pointers(TypedWritable **p_list, BamReader *manager) {
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int pi = TypedWritable::complete_pointers(p_list, manager);
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Data::iterator di;
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for (di = _data.begin(); di != _data.end(); ++di) {
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(*di) = EventParameter(DCAST(TypedWritableReferenceCount, p_list[pi++]));
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}
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return pi;
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}
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////////////////////////////////////////////////////////////////////
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// Function: DataNodeTransmit::make_from_bam
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// Access: Protected, Static
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// Description: This function is called by the BamReader's factory
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// when a new object of type Lens is encountered
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// in the Bam file. It should create the Lens
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// and extract its information from the file.
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////////////////////////////////////////////////////////////////////
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TypedWritable *DataNodeTransmit::
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make_from_bam(const FactoryParams ¶ms) {
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DataNodeTransmit *xmit = new DataNodeTransmit;
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DatagramIterator scan;
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BamReader *manager;
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parse_params(params, scan, manager);
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xmit->fillin(scan, manager);
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return xmit;
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}
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////////////////////////////////////////////////////////////////////
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// Function: DataNodeTransmit::fillin
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// Access: Protected
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// Description: This internal function is called by make_from_bam to
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// read in all of the relevant data from the BamFile for
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// the new Lens.
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////////////////////////////////////////////////////////////////////
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void DataNodeTransmit::
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fillin(DatagramIterator &scan, BamReader *manager) {
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TypedWritable::fillin(scan, manager);
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int num_params = scan.get_uint16();
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_data.reserve(num_params);
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for (int i = 0; i < num_params; i++) {
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manager->read_pointer(scan);
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_data.push_back(EventParameter());
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}
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}
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