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1// Copyright (C) 2002-2012 Nikolaus Gebhardt
2// This file is part of the "Irrlicht Engine".
3// For conditions of distribution and use, see copyright notice in irrlicht.h
4
5#ifndef __I_SCENE_NODE_ANIMATOR_FACTORY_H_INCLUDED__
6#define __I_SCENE_NODE_ANIMATOR_FACTORY_H_INCLUDED__
7
8#include "IReferenceCounted.h"
9#include "ESceneNodeAnimatorTypes.h"
10
11namespace irr
12{
13namespace scene
14{
15 class ISceneNode;
16 class ISceneNodeAnimator;
17
18 //! Interface for dynamic creation of scene node animators
19 /** To be able to add custom scene node animators to Irrlicht and to make it possible for the
20 scene manager to save and load those external animators, simply implement this
21 interface and register it in you scene manager via ISceneManager::registerSceneNodeAnimatorFactory.
22 Note: When implementing your own scene node factory, don't call ISceneNodeManager::grab() to
23 increase the reference counter of the scene node manager. This is not necessary because the
24 scene node manager will grab() the factory anyway, and otherwise cyclic references will
25 be created and the scene manager and all its nodes won't get deallocated.
26 */
27 class ISceneNodeAnimatorFactory : public virtual IReferenceCounted
28 {
29 public:
30
31 //! creates a scene node animator based on its type id
32 /** \param type: Type of the scene node animator to add.
33 \param target: Target scene node of the new animator.
34 \return Returns pointer to the new scene node animator or null if not successful. You need to
35 drop this pointer after calling this, see IReferenceCounted::drop() for details. */
36 virtual ISceneNodeAnimator* createSceneNodeAnimator(ESCENE_NODE_ANIMATOR_TYPE type, ISceneNode* target) = 0;
37
38 //! creates a scene node animator based on its type name
39 /** \param typeName: Type of the scene node animator to add.
40 \param target: Target scene node of the new animator.
41 \return Returns pointer to the new scene node animator or null if not successful. You need to
42 drop this pointer after calling this, see IReferenceCounted::drop() for details. */
43 virtual ISceneNodeAnimator* createSceneNodeAnimator(const c8* typeName, ISceneNode* target) = 0;
44
45 //! returns amount of scene node animator types this factory is able to create
46 virtual u32 getCreatableSceneNodeAnimatorTypeCount() const = 0;
47
48 //! returns type of a createable scene node animator type
49 /** \param idx: Index of scene node animator type in this factory. Must be a value between 0 and
50 getCreatableSceneNodeTypeCount() */
51 virtual ESCENE_NODE_ANIMATOR_TYPE getCreateableSceneNodeAnimatorType(u32 idx) const = 0;
52
53 //! returns type name of a createable scene node animator type
54 /** \param idx: Index of scene node animator type in this factory. Must be a value between 0 and
55 getCreatableSceneNodeAnimatorTypeCount() */
56 virtual const c8* getCreateableSceneNodeAnimatorTypeName(u32 idx) const = 0;
57
58 //! returns type name of a createable scene node animator type
59 /** \param type: Type of scene node animator.
60 \return: Returns name of scene node animator type if this factory can create the type, otherwise 0. */
61 virtual const c8* getCreateableSceneNodeAnimatorTypeName(ESCENE_NODE_ANIMATOR_TYPE type) const = 0;
62 };
63
64
65} // end namespace scene
66} // end namespace irr
67
68#endif
69