[1574] | 1 | /* |
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| 2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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| 3 | * > www.orxonox.net < |
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| 4 | * |
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| 5 | * |
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| 6 | * License notice: |
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| 7 | * |
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| 8 | * This program is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU General Public License |
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| 10 | * as published by the Free Software Foundation; either version 2 |
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| 11 | * of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * This program is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | * GNU General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU General Public License |
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| 19 | * along with this program; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 21 | * |
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| 22 | * Author: |
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| 23 | * Fabian 'x3n' Landau |
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| 24 | * Co-authors: |
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| 25 | * ... |
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| 26 | * |
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| 27 | */ |
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| 28 | |
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| 29 | /** |
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[2171] | 30 | @file |
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[1574] | 31 | @brief Implementation of the ObjectListBase class. |
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| 32 | |
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| 33 | The ObjectListBase is a double-linked list, used by Identifiers to store all objects of a given class. |
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| 34 | Newly created objects are added through the RegisterObject-macro in its constructor. |
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| 35 | */ |
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| 36 | |
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[3196] | 37 | #include "ObjectListBase.h" |
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| 38 | |
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[1574] | 39 | #include <set> |
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| 40 | #include "Identifier.h" |
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[1591] | 41 | #include "Iterator.h" |
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[3196] | 42 | #include "ObjectListIterator.h" |
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[1574] | 43 | |
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| 44 | namespace orxonox |
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| 45 | { |
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| 46 | /** |
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| 47 | @brief Constructor: Sets default values. |
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| 48 | */ |
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| 49 | ObjectListBase::ObjectListBase(Identifier* identifier) |
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| 50 | { |
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| 51 | this->identifier_ = identifier; |
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| 52 | this->first_ = 0; |
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| 53 | this->last_ = 0; |
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| 54 | } |
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| 55 | |
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| 56 | /** |
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| 57 | @brief Destructor: Deletes all list-elements, but NOT THE OBJECTS. |
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| 58 | */ |
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| 59 | ObjectListBase::~ObjectListBase() |
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| 60 | { |
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| 61 | ObjectListBaseElement* temp; |
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| 62 | while (this->first_) |
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| 63 | { |
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| 64 | temp = this->first_->next_; |
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| 65 | delete this->first_; |
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| 66 | this->first_ = temp; |
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| 67 | } |
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| 68 | } |
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| 69 | |
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| 70 | /** |
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| 71 | @brief Increases all Iterators that currently point on the given element (because it gets removed). |
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| 72 | @param element The element that gets removed |
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| 73 | */ |
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[1591] | 74 | void ObjectListBase::notifyIterators(OrxonoxClass* object) const |
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[1574] | 75 | { |
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[2784] | 76 | for (std::vector<void*>::const_iterator it = this->iterators_.begin(); it != this->iterators_.end(); ++it) |
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[1591] | 77 | ((Iterator<OrxonoxClass>*)(*it))->incrementIfEqual(object); |
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[2784] | 78 | for (std::vector<void*>::const_iterator it = this->objectListIterators_.begin(); it != this->objectListIterators_.end(); ++it) |
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[1591] | 79 | ((ObjectListIterator<OrxonoxClass>*)(*it))->incrementIfEqual(object); |
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[1574] | 80 | } |
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| 81 | |
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| 82 | /** |
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| 83 | @brief Adds a new object to the end of the list. |
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| 84 | @param object The object to add |
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| 85 | @return The pointer to the new ObjectListBaseElement, needed by the MetaObjectList of the added object |
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| 86 | */ |
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[1591] | 87 | ObjectListBaseElement* ObjectListBase::add(ObjectListBaseElement* element) |
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[1574] | 88 | { |
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| 89 | if (!this->last_) |
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| 90 | { |
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| 91 | // If the list is empty |
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[1591] | 92 | this->last_ = element; |
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[1574] | 93 | this->first_ = this->last_; // There's only one object in the list now |
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| 94 | } |
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| 95 | else |
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| 96 | { |
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| 97 | // If the list isn't empty |
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| 98 | ObjectListBaseElement* temp = this->last_; |
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[1591] | 99 | this->last_ = element; |
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[1574] | 100 | this->last_->prev_ = temp; |
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| 101 | temp->next_ = this->last_; |
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| 102 | } |
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| 103 | |
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| 104 | return this->last_; |
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| 105 | } |
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| 106 | } |
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