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source: code/branches/core3/src/core/ObjectList.h @ 1574

Last change on this file since 1574 was 1574, checked in by landauf, 16 years ago

big change in ObjectList: separated the class into a non-template base and a template wrapper for the base. this also changes the Iterator, there is now a non-template IteratorBase. this brings much more flexibility, like iterating through all objects of a given identifier without knowing the type. however this needs a dynamic_cast, which isn't quite optimal, but I think there are much worser things than that out there. ;)

there isn't much you have to know about this, except there is no more ObjectList<myClass>::start() function but a ObjectList<myClass>::begin() to be more STLish. another thing: ObjectList<myClass>::end() points now to the element _after_ the last element, so it's possible to iterate in a for-loop until (it != ObjectList<myClass>::end()). the reason is the same as above. however, (it) as a boolean still works perfectly fine.

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1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Fabian 'x3n' Landau
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29/**
30    @file ObjectList.h
31    @brief Definition and implementation of the ObjectList class.
32
33    The ObjectList is a wrapper of an ObjectListBase of a given class.
34    Use Iterator<class> to iterate through all objects of the class.
35*/
36
37#ifndef _ObjectList_H__
38#define _ObjectList_H__
39
40#include "CorePrereqs.h"
41
42#include "Identifier.h"
43#include "Iterator.h"
44
45namespace orxonox
46{
47    // ###############################
48    // ###       ObjectList        ###
49    // ###############################
50    //! The ObjectList contains all objects of the given class.
51    /**
52        Wraps the ObjectListBase of the corresponding Identifier.
53        Use Iterator<class> to iterate through all objects in the list.
54    */
55    template <class T>
56    class ObjectList
57    {
58        public:
59            /** @brief Returns an Iterator to the first element in the list. @return The Iterator */
60            inline static Iterator<T> begin()
61                { return Iterator<T>(ClassIdentifier<T>::getIdentifier()->getObjects()->begin()); }
62
63            /** @brief Returns an Iterator to the element after the last element in the list. @return The Iterator */
64            inline static Iterator<T> end()
65                { return Iterator<T>(ClassIdentifier<T>::getIdentifier()->getObjects()->end()); }
66
67            /** @brief Returns an Iterator to the last element in the list. @return The Iterator */
68            inline static Iterator<T> rbegin()
69                { return Iterator<T>(ClassIdentifier<T>::getIdentifier()->getObjects()->rbegin()); }
70
71            /** @brief Returns an Iterator to the element before the first element in the list. @return The Iterator */
72            inline static Iterator<T> rend()
73                { return Iterator<T>(ClassIdentifier<T>::getIdentifier()->getObjects()->rend()); }
74    };
75}
76
77#endif /* _ObjectList_H__ */
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