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source: code/branches/pch/src/core/MetaObjectList.cc @ 3151

Last change on this file since 3151 was 2171, checked in by landauf, 16 years ago

merged revisions 2111-2170 from objecthierarchy branch back to trunk.

  • Property svn:eol-style set to native
File size: 3.3 KB
Line 
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 MetaObjectList class.
32*/
33
34#include "MetaObjectList.h"
35#include "ObjectListBase.h"
36#include "Identifier.h"
37#include "util/Debug.h"
38
39namespace orxonox
40{
41    // ###############################
42    // ###  MetaObjectListElement  ###
43    // ###############################
44    /**
45        @brief Destructor: Removes the ObjectListBaseElement from the ObjectListBase by linking next_ and prev_ of the ObjectListBaseElement.
46    */
47    MetaObjectListElement::~MetaObjectListElement()
48    {
49        COUT(5) << "*** MetaObjectList: Removing Object from " << this->list_->getIdentifier()->getName() << "-list." << std::endl;
50        this->list_->notifyIterators(this->element_->objectBase_);
51
52        if (this->element_->next_)
53            this->element_->next_->prev_ = this->element_->prev_;
54        else
55            this->list_->last_ = this->element_->prev_; // If there is no next_, we deleted the last object and have to update the last_ pointer of the list
56
57        if (this->element_->prev_)
58            this->element_->prev_->next_ = this->element_->next_;
59        else
60            this->list_->first_ = this->element_->next_; // If there is no prev_, we deleted the first object and have to update the first_ pointer of the list
61
62        delete this->element_;
63    }
64
65
66    // ###############################
67    // ###     MetaObjectList      ###
68    // ###############################
69    /**
70        @brief Constructor: Sets first_ to zero.
71    */
72    MetaObjectList::MetaObjectList()
73    {
74        this->first_ = 0;
75    }
76
77    /**
78        @brief Destructor: Removes all elements from the list, causing them to remove the stored ObjectListElement from the ObjectList.
79    */
80    MetaObjectList::~MetaObjectList()
81    {
82        MetaObjectListElement* temp;
83        while (this->first_)
84        {
85            temp = this->first_->next_;
86            delete this->first_;
87            this->first_ = temp;
88        }
89    }
90
91    /**
92        @brief Adds an ObjectList and an element of that list to the MetaObjectList.
93        @param list The ObjectList wherein the element is
94        @param element The element wherein the object is
95    */
96    void MetaObjectList::add(ObjectListBase* list, ObjectListBaseElement* element)
97    {
98        MetaObjectListElement* temp = this->first_;
99        this->first_ = new MetaObjectListElement(list, element);
100        this->first_->next_ = temp;
101    }
102}
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