Added new BoxPlacer files.
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Robert Osfield
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164
include/osgParticle/BoxPlacer
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164
include/osgParticle/BoxPlacer
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2005 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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//Build by Zach Deedler
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#ifndef OSGPARTICLE_BOX_PLACER
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#define OSGPARTICLE_BOX_PLACER 1
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#include <osgParticle/CenteredPlacer>
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#include <osgParticle/Particle>
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#include <osgParticle/range>
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#include <osg/CopyOp>
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#include <osg/Object>
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#include <osg/Vec3>
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#include <osg/Math>
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namespace osgParticle
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{
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/** A sector-shaped particle placer.
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This placer sets the initial position of incoming particle by choosing a random position
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within a circular sector; this sector is defined by three parameters: a <I>center point</I>,
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which is inherited directly from <CODE>osgParticle::CenteredPlacer</CODE>, a range of values
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for <I>radius</I>, and a range of values for the <I>central angle</I> (sometimes called <B>phi</B>).
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*/
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class BoxPlacer: public CenteredPlacer {
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public:
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inline BoxPlacer();
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inline BoxPlacer(const BoxPlacer& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
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/// Get the range of possible values for radius.
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inline const rangef& getXRange() const;
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/// Set the range of possible values for radius.
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inline void setXRange(const rangef& r);
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/// Set the range of possible values for radius.
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inline void setXRange(float r1, float r2);
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/// Get the range of possible values for the central angle.
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inline const rangef& getYRange() const;
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/// Set the range of possible values for the central angle.
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inline void setYRange(const rangef& r);
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/// Set the range of possible values for the central angle.
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inline void setYRange(float r1, float r2);
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/// Get the range of possible values for the height.
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inline const rangef& getZRange() const;
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/// Set the range of possible values for the height.
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inline void setZRange(const rangef& r);
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/// Set the range of possible values for the height.
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inline void setZRange(float r1, float r2);
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META_Object(osgParticle, BoxPlacer);
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/// Place a particle. Do not call it manually.
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inline void place(Particle* P) const;
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/// return the control position
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inline osg::Vec3 getControlPosition() const;
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protected:
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virtual ~BoxPlacer() {}
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BoxPlacer& operator=(const BoxPlacer&) { return *this; }
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private:
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rangef _x_range;
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rangef _y_range;
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rangef _z_range;
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};
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// INLINE FUNCTIONS
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inline BoxPlacer::BoxPlacer()
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: CenteredPlacer(), _x_range(-1, 1), _y_range(-1, 1), _z_range(-1, 1)
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{
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}
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inline BoxPlacer::BoxPlacer(const BoxPlacer& copy, const osg::CopyOp& copyop)
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: CenteredPlacer(copy, copyop),
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_x_range(copy._x_range), _y_range(copy._y_range), _z_range(copy._z_range)
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{
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}
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inline const rangef& BoxPlacer::getXRange() const
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{
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return _x_range;
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}
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inline void BoxPlacer::setXRange(const rangef& r)
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{
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_x_range = r;
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}
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inline void BoxPlacer::setXRange(float r1, float r2)
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{
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_x_range.minimum = r1;
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_x_range.maximum = r2;
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}
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inline const rangef& BoxPlacer::getYRange() const
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{
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return _y_range;
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}
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inline void BoxPlacer::setYRange(const rangef& r)
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{
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_y_range = r;
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}
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inline void BoxPlacer::setYRange(float r1, float r2)
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{
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_y_range.minimum = r1;
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_y_range.maximum = r2;
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}
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inline const rangef& BoxPlacer::getZRange() const
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{
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return _z_range;
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}
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inline void BoxPlacer::setZRange(const rangef& r)
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{
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_z_range = r;
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}
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inline void BoxPlacer::setZRange(float r1, float r2)
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{
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_z_range.minimum = r1;
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_z_range.maximum = r2;
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}
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inline void BoxPlacer::place(Particle* P) const
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{
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osg::Vec3 pos(
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getCenter().x() + _x_range.get_random(),
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getCenter().y() + _y_range.get_random(),
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getCenter().z() + _z_range.get_random());
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P->setPosition(pos);
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}
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inline osg::Vec3 BoxPlacer::getControlPosition() const
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{
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return getCenter();
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}
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}
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#endif
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69
src/osgPlugins/osgParticle/IO_BoxPlacer.cpp
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69
src/osgPlugins/osgParticle/IO_BoxPlacer.cpp
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#include <osgParticle/BoxPlacer>
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#include <iostream>
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#include <osgDB/Registry>
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#include <osgDB/Input>
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#include <osgDB/Output>
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bool BoxPlacer_readLocalData(osg::Object &obj, osgDB::Input &fr);
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bool BoxPlacer_writeLocalData(const osg::Object &obj, osgDB::Output &fw);
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osgDB::RegisterDotOsgWrapperProxy BoxPlacer_Proxy
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(
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new osgParticle::BoxPlacer,
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"BoxPlacer",
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"Object Placer CenteredPlacer BoxPlacer",
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BoxPlacer_readLocalData,
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BoxPlacer_writeLocalData
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);
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bool BoxPlacer_readLocalData(osg::Object &obj, osgDB::Input &fr)
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{
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osgParticle::BoxPlacer &myobj = static_cast<osgParticle::BoxPlacer &>(obj);
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bool itAdvanced = false;
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osgParticle::rangef r;
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if (fr[0].matchWord("xRange")) {
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if (fr[1].getFloat(r.minimum) && fr[2].getFloat(r.maximum)) {
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myobj.setXRange(r);
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fr += 3;
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itAdvanced = true;
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}
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}
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if (fr[0].matchWord("yRange")) {
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if (fr[1].getFloat(r.minimum) && fr[2].getFloat(r.maximum)) {
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myobj.setYRange(r);
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fr += 3;
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itAdvanced = true;
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}
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}
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if (fr[0].matchWord("zRange")) {
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if (fr[1].getFloat(r.minimum) && fr[2].getFloat(r.maximum)) {
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myobj.setZRange(r);
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fr += 3;
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itAdvanced = true;
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}
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}
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return itAdvanced;
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}
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bool BoxPlacer_writeLocalData(const osg::Object &obj, osgDB::Output &fw)
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{
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const osgParticle::BoxPlacer &myobj = static_cast<const osgParticle::BoxPlacer &>(obj);
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osgParticle::rangef r;
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r = myobj.getXRange();
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fw.indent() << "xRange " << r.minimum << " " << r.maximum << std::endl;
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r = myobj.getYRange();
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fw.indent() << "yRange " << r.minimum << " " << r.maximum << std::endl;
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r = myobj.getZRange();
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fw.indent() << "zRange " << r.minimum << " " << r.maximum << std::endl;
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return true;
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}
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