Dogcows Code - chaz/yoink/blob - src/Animation.hh

   1
   2 /*]  Copyright (c) 2009-2011, Charles McGarvey  [*****************************
   3 **]  All rights reserved.
   4 *
   5 * Distributable under the terms and conditions of the 2-clause BSD license;
   6 * see the file COPYING for a complete text of the license.
   7 *
   8 *****************************************************************************/
   9
  10 #ifndef _ANIMATION_HH_
  11 #define _ANIMATION_HH_
  12
  13 /**
  14  * @file Animation.hh
  15  * Motion picture!!
  16  */
  17
  18 #include <string>
  19
  20 #include <boost/shared_ptr.hpp>
  21
  22 #include <moof/math.hh>
  23
  24
  25 class Animation;
  26 typedef boost::shared_ptr<Animation> AnimationP;
  27
  28 /**
  29  * A class to manage frame-based animation.  Animation sequences can be
  30  * loaded from file, then named sequences are started.  The animation is
  31  * updated periodically (each update cycle), and the correct current frame
  32  * is determined.  This class is generic enough that a frame can mean just
  33  * about anything to whatever drawing context is used to render the frame.
  34  */
  35 class Animation
  36 {
  37 public:
  38
  39         Animation(const std::string& name);
  40
  41         static AnimationP alloc(const std::string& name)
  42         {
  43                 return AnimationP(new Animation(name));
  44         }
  45
  46         void startSequence(const std::string& name);
  47
  48         void update(moof::scalar t, moof::scalar dt);
  49         unsigned getFrame() const;
  50
  51 private:
  52
  53         class impl;
  54         boost::shared_ptr<impl> impl_;
  55 };
  56
  57
  58 #endif // _ANIMATION_HH_
  59