AnimateTexturesAction.hpp

/******************************************************************************
 
  nomlib - C++11 cross-platform game engine
 
Copyright (c) 2013, 2014 Jeffrey Carpenter <i8degrees@gmail.com>
All rights reserved.
 
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#ifndef NOMLIB_ACTIONS_ANIMATE_TEXTURES_ACTION_HPP
#define NOMLIB_ACTIONS_ANIMATE_TEXTURES_ACTION_HPP
 
#include <memory>
#include <vector>
 
#include "nomlib/config.hpp"
#include "nomlib/actions/IActionObject.hpp"
 
namespace nom {
 
// Forward declarations
class Texture;
class Sprite;
 
typedef std::vector<std::shared_ptr<Texture>> texture_frames;

class AnimateTexturesAction: public virtual IActionObject
{
  public:
    friend class ActionTest;
 
    typedef AnimateTexturesAction self_type;
    typedef IActionObject derived_type;

    AnimateTexturesAction(  const std::shared_ptr<Sprite>& drawable,
                            const texture_frames& textures,
                            real32 frame_interval_seconds );
 
    virtual ~AnimateTexturesAction();
 
    virtual std::unique_ptr<IActionObject> clone() const override;
 
    virtual IActionObject::FrameState next_frame(real32 delta_time) override;
 
    virtual IActionObject::FrameState prev_frame(real32 delta_time) override;
 
    virtual void pause(real32 delta_time) override;
 
    virtual void resume(real32 delta_time) override;
 
    virtual void rewind(real32 delta_time) override;
 
    virtual void release() override;
 
  private:
    static const char* DEBUG_CLASS_NAME;
 
    void initialize(const texture_frames& textures, real32 frame_interval);
 
    IActionObject::FrameState
    update(real32 t, real32 b, real32 c, real32 d);
 
    void first_frame(real32 delta_time);
    void last_frame(real32 delta_time);
 
    typedef texture_frames::iterator frame_iterator;

    real32 total_displacement_;

    uint32 initial_frame_;

    texture_frames frames_;
    frame_iterator next_frame_;
    frame_iterator last_frame_;

    std::shared_ptr<Sprite> drawable_;

    real32 frame_interval_;
    real32 last_delta_;
};
 
} // namespace nom
 
#endif // include guard defined