Claw
1.7.3
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00001 /* 00002 CLAW - a C++ Library Absolutely Wonderful 00003 00004 CLAW is a free library without any particular aim but being useful to 00005 anyone. 00006 00007 Copyright (C) 2005-2011 Julien Jorge 00008 00009 This library is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU Lesser General Public 00011 License as published by the Free Software Foundation; either 00012 version 2.1 of the License, or (at your option) any later version. 00013 00014 This library is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public 00020 License along with this library; if not, write to the Free Software 00021 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00022 contact: julien.jorge@gamned.org 00023 */ 00029 #ifndef __CLAW_TWEEN_BASE_TWEENER_HPP__ 00030 #define __CLAW_TWEEN_BASE_TWEENER_HPP__ 00031 00032 #include <list> 00033 #include <boost/function.hpp> 00034 00035 namespace claw 00036 { 00037 namespace tween 00038 { 00044 class base_tweener 00045 { 00046 public: 00051 typedef boost::function<void ()> finish_callback; 00052 00053 public: 00054 virtual ~base_tweener(); 00055 00056 base_tweener* clone() const; 00057 00058 bool is_finished() const; 00059 double update( double dt ); 00060 00061 void on_finished( finish_callback f ); 00062 00063 private: 00064 void notify_finished() const; 00065 00069 virtual base_tweener* do_clone() const = 0; 00070 00074 virtual bool do_is_finished() const = 0; 00075 00081 virtual double do_update( double dt ) = 0; 00082 00083 private: 00085 std::list<finish_callback> m_on_finished; 00086 00087 }; // class base_tweener 00088 00089 } // namespace tween 00090 } // namespace claw 00091 00092 #endif // __CLAW_TWEEN_BASE_TWEENER_HPP__