125 lines
4.8 KiB
C++
125 lines
4.8 KiB
C++
// Filename: showBoundsEffect.cxx
|
|
// Created by: drose (25Mar02)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// PANDA 3D SOFTWARE
|
|
// Copyright (c) Carnegie Mellon University. All rights reserved.
|
|
//
|
|
// All use of this software is subject to the terms of the revised BSD
|
|
// license. You should have received a copy of this license along
|
|
// with this source code in a file named "LICENSE."
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
#include "showBoundsEffect.h"
|
|
#include "bamReader.h"
|
|
#include "bamWriter.h"
|
|
#include "datagram.h"
|
|
#include "datagramIterator.h"
|
|
|
|
TypeHandle ShowBoundsEffect::_type_handle;
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ShowBoundsEffect::make
|
|
// Access: Published, Static
|
|
// Description: Constructs a new ShowBoundsEffect object.
|
|
////////////////////////////////////////////////////////////////////
|
|
CPT(RenderEffect) ShowBoundsEffect::
|
|
make(bool tight) {
|
|
ShowBoundsEffect *effect = new ShowBoundsEffect;
|
|
effect->_tight = tight;
|
|
return return_new(effect);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ShowBoundsEffect::safe_to_combine
|
|
// Access: Public, Virtual
|
|
// Description: Returns true if this kind of effect can safely be
|
|
// combined with sibling nodes that share the exact same
|
|
// effect, or false if this is not a good idea.
|
|
////////////////////////////////////////////////////////////////////
|
|
bool ShowBoundsEffect::
|
|
safe_to_combine() const {
|
|
return false;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ShowBoundsEffect::compare_to_impl
|
|
// Access: Protected, Virtual
|
|
// Description: Intended to be overridden by derived ShowBoundsEffect
|
|
// types to return a unique number indicating whether
|
|
// this ShowBoundsEffect is equivalent to the other one.
|
|
//
|
|
// This should return 0 if the two ShowBoundsEffect objects
|
|
// are equivalent, a number less than zero if this one
|
|
// should be sorted before the other one, and a number
|
|
// greater than zero otherwise.
|
|
//
|
|
// This will only be called with two ShowBoundsEffect
|
|
// objects whose get_type() functions return the same.
|
|
////////////////////////////////////////////////////////////////////
|
|
int ShowBoundsEffect::
|
|
compare_to_impl(const RenderEffect *other) const {
|
|
const ShowBoundsEffect *ta;
|
|
DCAST_INTO_R(ta, other, 0);
|
|
|
|
return (int)_tight - (int)ta->_tight;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ShowBoundsEffect::register_with_read_factory
|
|
// Access: Public, Static
|
|
// Description: Tells the BamReader how to create objects of type
|
|
// ShowBoundsEffect.
|
|
////////////////////////////////////////////////////////////////////
|
|
void ShowBoundsEffect::
|
|
register_with_read_factory() {
|
|
BamReader::get_factory()->register_factory(get_class_type(), make_from_bam);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ShowBoundsEffect::write_datagram
|
|
// Access: Public, Virtual
|
|
// Description: Writes the contents of this object to the datagram
|
|
// for shipping out to a Bam file.
|
|
////////////////////////////////////////////////////////////////////
|
|
void ShowBoundsEffect::
|
|
write_datagram(BamWriter *manager, Datagram &dg) {
|
|
RenderEffect::write_datagram(manager, dg);
|
|
dg.add_bool(_tight);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ShowBoundsEffect::make_from_bam
|
|
// Access: Protected, Static
|
|
// Description: This function is called by the BamReader's factory
|
|
// when a new object of type ShowBoundsEffect is encountered
|
|
// in the Bam file. It should create the ShowBoundsEffect
|
|
// and extract its information from the file.
|
|
////////////////////////////////////////////////////////////////////
|
|
TypedWritable *ShowBoundsEffect::
|
|
make_from_bam(const FactoryParams ¶ms) {
|
|
ShowBoundsEffect *effect = new ShowBoundsEffect;
|
|
DatagramIterator scan;
|
|
BamReader *manager;
|
|
|
|
parse_params(params, scan, manager);
|
|
effect->fillin(scan, manager);
|
|
|
|
return effect;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ShowBoundsEffect::fillin
|
|
// Access: Protected
|
|
// Description: This internal function is called by make_from_bam to
|
|
// read in all of the relevant data from the BamFile for
|
|
// the new ShowBoundsEffect.
|
|
////////////////////////////////////////////////////////////////////
|
|
void ShowBoundsEffect::
|
|
fillin(DatagramIterator &scan, BamReader *manager) {
|
|
RenderEffect::fillin(scan, manager);
|
|
_tight = scan.get_bool();
|
|
}
|