ISceneNodeAnimator.h

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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
 
#ifndef __I_SCENE_NODE_ANIMATOR_H_INCLUDED__
#define __I_SCENE_NODE_ANIMATOR_H_INCLUDED__
 
#include "ESceneNodeAnimatorTypes.h"
#include "IEventReceiver.h"
#include <cstdint>
 
namespace saga
{
namespace scene
{
  class ISceneNode;
  class ISceneManager;
 
 
  class ISceneNodeAnimator : public IEventReceiver
  {
  public:
    ISceneNodeAnimator() : IsEnabled(true), PauseTimeSum(0), PauseTimeStart(0), StartTime(0)
    {
    }
 
 
    virtual void animateNode(ISceneNode& node, const float time) = 0;
 
 
    // virtual ISceneNodeAnimator* createClone(ISceneNode* node,
        // ISceneManager* newManager= 0) = 0;
 
    virtual void onEvent(const SDL_Event& event) override
    {
 
    }
 
    virtual E_SCENE_NODE_ANIMATOR_TYPE getType() const
    {
      return E_SCENE_NODE_ANIMATOR_TYPE::UNKNOWN;
    }
 
 
    virtual bool hasFinished(void) const
    {
      return false;
    }
 
 
    virtual void setStartTime(std::uint32_t time, bool resetPauseTime = true)
    {
      StartTime = time;
      if (resetPauseTime)
      {
        PauseTimeStart = 0;
        PauseTimeSum = 0;
      }
    }
 
 
    virtual std::uint32_t getStartTime() const
    {
      return StartTime;
    }
 
 
    virtual void setEnabled(bool enabled, std::uint32_t timeNow = 0)
    {
      if (enabled == IsEnabled)
        return;
      IsEnabled = enabled;
      if (enabled)
      {
        if (timeNow > 0 && PauseTimeStart > 0)
          PauseTimeSum += timeNow-PauseTimeStart;
      }
      else
      {
        PauseTimeStart = timeNow;
      }
    }
 
    virtual bool isEnabled() const
    {
      return IsEnabled;
    }
 
  protected:
 
    // void cloneMembers(const ISceneNodeAnimator* toCopyFrom)
    // {
    //   IsEnabled = toCopyFrom->IsEnabled;
    //   PauseTimeSum = toCopyFrom->IsEnabled;
    //   PauseTimeStart = toCopyFrom->PauseTimeStart;
    //   StartTime = toCopyFrom->StartTime;
    // }
 
    bool IsEnabled;               
    std::uint32_t PauseTimeSum;   
    std::uint32_t PauseTimeStart; 
    std::uint32_t StartTime;      
  };
 
} // namespace scene
} // namespace saga
 
#endif // __I_SCENE_NODE_ANIMATOR_H_INCLUDED__