/usr/include/claw/tween/base_tweener.hpp is in libclaw-tween-dev 1.7.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | /*
CLAW - a C++ Library Absolutely Wonderful
CLAW is a free library without any particular aim but being useful to
anyone.
Copyright (C) 2005-2011 Julien Jorge
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
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 GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
contact: julien.jorge@gamned.org
*/
/**
* \file claw/tween/base_tweener.hpp
* \brief Common interface for all tweeners.
* \author Julien Jorge
*/
#ifndef __CLAW_TWEEN_BASE_TWEENER_HPP__
#define __CLAW_TWEEN_BASE_TWEENER_HPP__
#include <list>
#include <boost/function.hpp>
namespace claw
{
namespace tween
{
/**
* \brief Common interface for all tweeners.
* \author Julien Jorge
* \sa \ref tweeners
*/
class base_tweener
{
public:
/**
* \brief The type of the function called to notify the end of the
* tweener.
*/
typedef boost::function<void ()> finish_callback;
public:
virtual ~base_tweener();
base_tweener* clone() const;
bool is_finished() const;
double update( double dt );
void on_finished( finish_callback f );
private:
void notify_finished() const;
/**
* \brief Create a copy of this allocated with new.
*/
virtual base_tweener* do_clone() const = 0;
/**
* \brief Tell if this tweener is over.
*/
virtual bool do_is_finished() const = 0;
/**
* \brief Update the tweener for a given amount of time.
* \param dt The duration of the update.
* \return The amount of extra time in dt after the end of the update.
*/
virtual double do_update( double dt ) = 0;
private:
/** \brief The callback executed when the tweener is finished. */
std::list<finish_callback> m_on_finished;
}; // class base_tweener
} // namespace tween
} // namespace claw
#endif // __CLAW_TWEEN_BASE_TWEENER_HPP__
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