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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 "IReferenceCounted.h"
#include "vector3d.h"
#include "ESceneNodeAnimatorTypes.h"
#include "IAttributeExchangingObject.h"
#include "IEventReceiver.h"
namespace irr
{
namespace io
{
class IAttributes;
} // end namespace io
namespace scene
{
class ISceneNode;
class ISceneManager;
//! Animates a scene node. Can animate position, rotation, material, and so on.
/** A scene node animator is able to animate a scene node in a very simple way. It may
change its position, rotation, scale and/or material. There are lots of animators
to choose from. You can create scene node animators with the ISceneManager interface.
*/
class ISceneNodeAnimator : public io::IAttributeExchangingObject, public IEventReceiver
{
public:
//! Animates a scene node.
/** \param node Node to animate.
\param timeMs Current time in milli seconds. */
virtual void animateNode(ISceneNode* node, u32 timeMs) =0;
//! Creates a clone of this animator.
/** Please note that you will have to drop
(IReferenceCounted::drop()) the returned pointer after calling this. */
virtual ISceneNodeAnimator* createClone(ISceneNode* node,
ISceneManager* newManager=0) =0;
//! Returns true if this animator receives events.
/** When attached to an active camera, this animator will be
able to respond to events such as mouse and keyboard events. */
virtual bool isEventReceiverEnabled() const
{
return false;
}
//! Event receiver, override this function for camera controlling animators
virtual bool OnEvent(const SEvent& event)
{
return false;
}
//! Returns type of the scene node animator
virtual ESCENE_NODE_ANIMATOR_TYPE getType() const
{
return ESNAT_UNKNOWN;
}
//! Returns if the animator has finished.
/** This is only valid for non-looping animators with a discrete end state.
\return true if the animator has finished, false if it is still running. */
virtual bool hasFinished(void) const
{
return false;
}
};
} // end namespace scene
} // end namespace irr
#endif
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