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source: code/trunk/src/libraries/core/ObjectListBase.cc @ 7401

Last change on this file since 7401 was 7401, checked in by landauf, 14 years ago

merged doc branch back to trunk

  • Property svn:eol-style set to native
File size: 3.1 KB
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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
31    @brief Implementation of the ObjectListBase class.
32*/
33
34#include "ObjectListBase.h"
35
36#include <set>
37#include "Identifier.h"
38#include "Iterator.h"
39#include "ObjectListIterator.h"
40
41namespace orxonox
42{
43    /**
44        @brief Constructor: Sets default values.
45    */
46    ObjectListBase::ObjectListBase(Identifier* identifier)
47    {
48        this->identifier_ = identifier;
49        this->first_ = 0;
50        this->last_ = 0;
51    }
52
53    /**
54        @brief Destructor: Deletes all list-elements, but NOT THE OBJECTS.
55    */
56    ObjectListBase::~ObjectListBase()
57    {
58        ObjectListBaseElement* temp;
59        while (this->first_)
60        {
61            temp = this->first_->next_;
62            delete this->first_;
63            this->first_ = temp;
64        }
65    }
66
67    /**
68        @brief Increases all Iterators that currently point on the given element (because it gets removed).
69        @param object The object that gets removed
70    */
71    void ObjectListBase::notifyIterators(OrxonoxClass* object) const
72    {
73        for (std::vector<void*>::const_iterator it = this->iterators_.begin(); it != this->iterators_.end(); ++it)
74            ((Iterator<OrxonoxClass>*)(*it))->incrementIfEqual(object);
75        for (std::vector<void*>::const_iterator it = this->objectListIterators_.begin(); it != this->objectListIterators_.end(); ++it)
76            ((ObjectListIterator<OrxonoxClass>*)(*it))->incrementIfEqual(object);
77    }
78
79    /**
80        @brief Adds a new object to the end of the list.
81        @param element The element to add
82        @return The pointer to the new ObjectListBaseElement, needed by the MetaObjectList of the added object
83    */
84    ObjectListBaseElement* ObjectListBase::add(ObjectListBaseElement* element)
85    {
86        if (!this->last_)
87        {
88            // If the list is empty
89            this->last_ = element;
90            this->first_ = this->last_; // There's only one object in the list now
91        }
92        else
93        {
94            // If the list isn't empty
95            ObjectListBaseElement* temp = this->last_;
96            this->last_ = element;
97            this->last_->prev_ = temp;
98            temp->next_ = this->last_;
99        }
100
101        return this->last_;
102    }
103}
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