129 lines
4.9 KiB
C++
129 lines
4.9 KiB
C++
// Filename: showBoundsEffect.cxx
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// Created by: drose (25Mar02)
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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 "showBoundsEffect.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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TypeHandle ShowBoundsEffect::_type_handle;
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////////////////////////////////////////////////////////////////////
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// Function: ShowBoundsEffect::make
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// Access: Published, Static
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// Description: Constructs a new ShowBoundsEffect object.
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////////////////////////////////////////////////////////////////////
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CPT(RenderEffect) ShowBoundsEffect::
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make(bool tight) {
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ShowBoundsEffect *effect = new ShowBoundsEffect;
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effect->_tight = tight;
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return return_new(effect);
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}
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////////////////////////////////////////////////////////////////////
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// Function: ShowBoundsEffect::safe_to_combine
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// Access: Public, Virtual
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// Description: Returns true if this kind of effect can safely be
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// combined with sibling nodes that share the exact same
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// effect, or false if this is not a good idea.
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////////////////////////////////////////////////////////////////////
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bool ShowBoundsEffect::
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safe_to_combine() const {
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return false;
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}
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////////////////////////////////////////////////////////////////////
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// Function: ShowBoundsEffect::compare_to_impl
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// Access: Protected, Virtual
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// Description: Intended to be overridden by derived ShowBoundsEffect
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// types to return a unique number indicating whether
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// this ShowBoundsEffect is equivalent to the other one.
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//
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// This should return 0 if the two ShowBoundsEffect 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 ShowBoundsEffect
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// objects whose get_type() functions return the same.
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////////////////////////////////////////////////////////////////////
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int ShowBoundsEffect::
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compare_to_impl(const RenderEffect *other) const {
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const ShowBoundsEffect *ta;
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DCAST_INTO_R(ta, other, 0);
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return (int)_tight - (int)ta->_tight;
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}
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////////////////////////////////////////////////////////////////////
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// Function: ShowBoundsEffect::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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// ShowBoundsEffect.
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////////////////////////////////////////////////////////////////////
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void ShowBoundsEffect::
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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: ShowBoundsEffect::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 ShowBoundsEffect::
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write_datagram(BamWriter *manager, Datagram &dg) {
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RenderEffect::write_datagram(manager, dg);
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dg.add_bool(_tight);
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}
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////////////////////////////////////////////////////////////////////
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// Function: ShowBoundsEffect::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 ShowBoundsEffect is encountered
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// in the Bam file. It should create the ShowBoundsEffect
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// and extract its information from the file.
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////////////////////////////////////////////////////////////////////
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TypedWritable *ShowBoundsEffect::
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make_from_bam(const FactoryParams ¶ms) {
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ShowBoundsEffect *effect = new ShowBoundsEffect;
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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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effect->fillin(scan, manager);
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return effect;
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}
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////////////////////////////////////////////////////////////////////
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// Function: ShowBoundsEffect::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 ShowBoundsEffect.
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////////////////////////////////////////////////////////////////////
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void ShowBoundsEffect::
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fillin(DatagramIterator &scan, BamReader *manager) {
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RenderEffect::fillin(scan, manager);
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_tight = scan.get_bool();
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}
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