/usr/include/osgAnimation/Action is in libopenscenegraph-dev 3.2.3+dfsg1-2+b4.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGANIMATION_ACTION_H
#define OSGANIMATION_ACTION_H
#include <osgAnimation/Export>
#include <osgAnimation/Animation>
#include <osgAnimation/ActionVisitor>
#include <osgAnimation/FrameAction>
#include <iostream>
#define META_Action(library,name) \
virtual osg::Object* cloneType() const { return new name (); } \
virtual osg::Object* clone(const osg::CopyOp& copyop) const { return new name (*this,copyop); } \
virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const name *>(obj)!=NULL; } \
virtual const char* className() const { return #name; } \
virtual const char* libraryName() const { return #library; } \
virtual void accept(osgAnimation::ActionVisitor& nv) { nv.apply(*this); } \
namespace osgAnimation
{
class OSGANIMATION_EXPORT Action : public osg::Object
{
public:
class Callback : public osg::Object
{
public:
Callback(){}
Callback(const Callback& nc,const osg::CopyOp&) :
_nestedCallback(nc._nestedCallback) {}
META_Object(osgAnimation,Callback);
virtual void operator()(Action* /*action*/, osgAnimation::ActionVisitor* /*nv*/) {}
Callback* getNestedCallback() { return _nestedCallback.get(); }
void addNestedCallback(Callback* callback)
{
if (callback) {
if (_nestedCallback.valid())
_nestedCallback->addNestedCallback(callback);
else
_nestedCallback = callback;
}
}
void removeCallback(Callback* cb)
{
if (!cb)
return;
if (_nestedCallback.get() == cb)
_nestedCallback = _nestedCallback->getNestedCallback();
else if (_nestedCallback.valid())
_nestedCallback->removeCallback(cb);
}
protected:
osg::ref_ptr<Callback> _nestedCallback;
};
typedef std::map<unsigned int, osg::ref_ptr<Callback> > FrameCallback;
META_Action(osgAnimation, Action);
Action();
Action(const Action&,const osg::CopyOp&);
void setCallback(double when, Callback* callback)
{
setCallback(static_cast<unsigned int>(floor(when*_fps)), callback);
}
void setCallback(unsigned int frame, Callback* callback)
{
if (_framesCallback[frame].valid())
_framesCallback[frame]->addNestedCallback(callback);
else
_framesCallback[frame] = callback;
}
Callback* getCallback(unsigned int frame)
{
if (_framesCallback.find(frame) == _framesCallback.end())
return 0;
return _framesCallback[frame].get();
}
void removeCallback(Callback*);
Callback* getFrameCallback(unsigned int frame);
Callback* getFrameCallback(double time);
unsigned int getFramesPerSecond() const { return _fps; }
void setNumFrames(unsigned int numFrames) { _numberFrame = numFrames;}
void setDuration(double duration) { _numberFrame = static_cast<unsigned int>(floor(duration * _fps)); }
unsigned int getNumFrames() const { return _numberFrame;}
double getDuration() const { return _numberFrame * 1.0 / _fps; }
// 0 means infini else it's the number of loop
virtual void setLoop(unsigned int nb) { _loop = nb; }
virtual unsigned int getLoop() const { return _loop;}
// get the number of loop, the frame relative to loop.
// return true if in range, and false if out of range.
bool evaluateFrame(unsigned int frame, unsigned int& resultframe, unsigned int& nbloop );
virtual void traverse(ActionVisitor& /*visitor*/) {}
//virtual void evaluate(unsigned int frame);
protected:
FrameCallback _framesCallback;
double _speed;
unsigned int _fps;
unsigned int _numberFrame;
unsigned int _loop;
enum Status
{
Play,
Stop
};
Status _state;
};
}
#endif
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