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# irr::scene::ISceneUserDataSerializer Class Reference

Interface to read and write user data to and from .irr files. More...

`#include <ISceneUserDataSerializer.h>`

List of all members.

## Public Member Functions
virtual io::IAttributes * | createUserData (ISceneNode *forSceneNode)=0
| Called when the scene manager is writing a scene node to an xml file for example.
virtual void | OnCreateNode (ISceneNode *node)=0
| Called when the scene manager create a scene node while loading a file.
virtual void | OnReadUserData (ISceneNode *forSceneNode, io::IAttributes *userData)=0
| Called when the scene manager read a scene node while loading a file.
virtual | ~ISceneUserDataSerializer ()

## Detailed Description

Interface to read and write user data to and from .irr files.

This interface is to be implemented by the user, to make it possible to read and write user data when reading or writing .irr files via ISceneManager. To be used with ISceneManager::loadScene() and ISceneManager::saveScene()

Definition at line 24 of file ISceneUserDataSerializer.h.

## Constructor & Destructor Documentation

virtual irr::scene::ISceneUserDataSerializer::~ISceneUserDataSerializer | ( |  | ) | `[inline, virtual]`

Definition at line 28 of file ISceneUserDataSerializer.h.

## Member Function Documentation

virtual io::IAttributes* irr::scene::ISceneUserDataSerializer::createUserData | ( | ISceneNode * | forSceneNode | ) | `[pure virtual]`

Called when the scene manager is writing a scene node to an xml file for example.

Implement this method and return a list of attributes containing the user data you want to be saved together with the scene node. Return 0 if no user data should be added. Please note that the scene manager will call drop() to the returned pointer after it no longer needs it, so if you didn't create a new object for the return value and returning a longer existing IAttributes object, simply call grab() before returning it.

virtual void irr::scene::ISceneUserDataSerializer::OnCreateNode | ( | ISceneNode * | node | ) | `[pure virtual]`

Called when the scene manager create a scene node while loading a file.

virtual void irr::scene::ISceneUserDataSerializer::OnReadUserData | ( | ISceneNode * | forSceneNode,
|  | io::IAttributes * | userData |
| ) |  |  | `[pure virtual]`

Called when the scene manager read a scene node while loading a file.

The userData pointer contains a list of attributes with userData which were attached to the scene node in the read scene file.

The documentation for this class was generated from the following file:

- ISceneUserDataSerializer.h

| The Irrlicht Engine Documentation © 2003-2010 by Nikolaus Gebhardt. Generated on Sun Oct 24 12:42:08 2010 by Doxygen (1.6.2)