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+// Filename: cullBinAttrib.cxx
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+// Created by: drose (01Mar02)
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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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+// [email protected] .
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+//
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+////////////////////////////////////////////////////////////////////
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+
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+#include "cullBinAttrib.h"
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+#include "bamReader.h"
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+#include "bamWriter.h"
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+#include "datagram.h"
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+#include "datagramIterator.h"
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+
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+TypeHandle CullBinAttrib::_type_handle;
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: CullBinAttrib::make
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+// Access: Published, Static
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+// Description: Constructs a new CullBinAttrib assigning geometry
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+// into the named bin. If the bin name is the empty
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+// string, the default bin is used.
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+//
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+// The draw_order specifies further ordering information
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+// which is relevant only to certain kinds of bins (in
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+// particular CullBinFixed type bins).
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+////////////////////////////////////////////////////////////////////
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+CPT(RenderAttrib) CullBinAttrib::
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+make(const string &bin_name, int draw_order) {
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+ CullBinAttrib *attrib = new CullBinAttrib;
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+ attrib->_bin_name = bin_name;
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+ attrib->_draw_order = draw_order;
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+ return return_new(attrib);
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+}
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: CullBinAttrib::output
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+// Access: Public, Virtual
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+// Description:
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+////////////////////////////////////////////////////////////////////
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+void CullBinAttrib::
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+output(ostream &out) const {
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+ out << get_type() << ":";
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+ if (_bin_name.empty()) {
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+ out << "(default)";
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+ } else {
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+ out << _bin_name;
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+ }
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+}
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: CullBinAttrib::compare_to_impl
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+// Access: Protected, Virtual
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+// Description: Intended to be overridden by derived CullBinAttrib
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+// types to return a unique number indicating whether
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+// this CullBinAttrib is equivalent to the other one.
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+//
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+// This should return 0 if the two CullBinAttrib objects
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+// are equivalent, a number less than zero if this one
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+// should be sorted before the other one, and a number
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+// greater than zero otherwise.
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+//
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+// This will only be called with two CullBinAttrib
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+// objects whose get_type() functions return the same.
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+////////////////////////////////////////////////////////////////////
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+int CullBinAttrib::
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+compare_to_impl(const RenderAttrib *other) const {
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+ const CullBinAttrib *ta;
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+ DCAST_INTO_R(ta, other, 0);
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+ return strcmp(_bin_name.c_str(), ta->_bin_name.c_str());
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+}
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: CullBinAttrib::make_default_impl
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+// Access: Protected, Virtual
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+// Description: Intended to be overridden by derived CullBinAttrib
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+// types to specify what the default property for a
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+// CullBinAttrib of this type should be.
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+//
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+// This should return a newly-allocated CullBinAttrib of
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+// the same type that corresponds to whatever the
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+// standard default for this kind of CullBinAttrib is.
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+////////////////////////////////////////////////////////////////////
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+RenderAttrib *CullBinAttrib::
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+make_default_impl() const {
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+ return new CullBinAttrib;
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+}
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: CullBinAttrib::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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+// CullBinAttrib.
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+////////////////////////////////////////////////////////////////////
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+void CullBinAttrib::
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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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+////////////////////////////////////////////////////////////////////
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+// Function: CullBinAttrib::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 CullBinAttrib::
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+write_datagram(BamWriter *manager, Datagram &dg) {
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+ RenderAttrib::write_datagram(manager, dg);
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+}
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: CullBinAttrib::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 CullBinAttrib is encountered
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+// in the Bam file. It should create the CullBinAttrib
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+// and extract its information from the file.
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+////////////////////////////////////////////////////////////////////
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+TypedWritable *CullBinAttrib::
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+make_from_bam(const FactoryParams ¶ms) {
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+ CullBinAttrib *attrib = new CullBinAttrib;
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+ DatagramIterator scan;
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+ BamReader *manager;
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+
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+ parse_params(params, scan, manager);
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+ attrib->fillin(scan, manager);
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+
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+ return new_from_bam(attrib, manager);
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+}
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: CullBinAttrib::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 CullBinAttrib.
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+////////////////////////////////////////////////////////////////////
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+void CullBinAttrib::
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+fillin(DatagramIterator &scan, BamReader *manager) {
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+ RenderAttrib::fillin(scan, manager);
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+}
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David Rose