forked from Mirrorlandia_minetest/irrlicht
52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
|
// 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_USER_DATA_SERIALIZER_H_INCLUDED__
|
||
|
|
#define __I_SCENE_USER_DATA_SERIALIZER_H_INCLUDED__
|
||
|
|
|
||
|
|
#include "IReferenceCounted.h"
|
||
|
|
|
||
|
|
namespace irr
|
||
|
|
{
|
||
|
|
namespace io
|
||
|
|
{
|
||
|
|
class IAttributes;
|
||
|
|
} // end namespace io
|
||
|
|
namespace scene
|
||
|
|
{
|
||
|
|
class ISceneNode;
|
||
|
|
|
||
|
|
//! 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() */
|
||
|
|
class ISceneUserDataSerializer
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
virtual ~ISceneUserDataSerializer() {}
|
||
|
|
|
||
|
|
//! Called when the scene manager create a scene node while loading a file.
|
||
|
|
virtual void OnCreateNode(ISceneNode* node) = 0;
|
||
|
|
|
||
|
|
//! 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.*/
|
||
|
|
virtual void OnReadUserData(ISceneNode* forSceneNode, io::IAttributes* userData) = 0;
|
||
|
|
|
||
|
|
//! 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 io::IAttributes* createUserData(ISceneNode* forSceneNode) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // end namespace scene
|
||
|
|
} // end namespace irr
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|