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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30 | @file |
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31 | @brief Implementation of the MetaObjectList class. |
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32 | */ |
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33 | |
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34 | #include "MetaObjectList.h" |
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35 | |
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36 | #include "util/Debug.h" |
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37 | #include "Identifier.h" |
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38 | #include "ObjectListBase.h" |
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39 | |
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40 | namespace orxonox |
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41 | { |
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42 | // ############################### |
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43 | // ### MetaObjectListElement ### |
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44 | // ############################### |
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45 | /** |
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46 | @brief Destructor: Removes the ObjectListBaseElement from the ObjectListBase by linking next_ and prev_ of the ObjectListBaseElement. |
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47 | */ |
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48 | MetaObjectListElement::~MetaObjectListElement() |
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49 | { |
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50 | COUT(5) << "*** MetaObjectList: Removing Object from " << this->list_->getIdentifier()->getName() << "-list." << std::endl; |
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51 | this->list_->notifyIterators(this->element_->objectBase_); |
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52 | |
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53 | if (this->element_->next_) |
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54 | this->element_->next_->prev_ = this->element_->prev_; |
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55 | else |
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56 | 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 |
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57 | |
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58 | if (this->element_->prev_) |
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59 | this->element_->prev_->next_ = this->element_->next_; |
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60 | else |
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61 | 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 |
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62 | |
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63 | delete this->element_; |
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64 | } |
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65 | |
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66 | |
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67 | // ############################### |
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68 | // ### MetaObjectList ### |
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69 | // ############################### |
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70 | /** |
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71 | @brief Constructor: Sets first_ to zero. |
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72 | */ |
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73 | MetaObjectList::MetaObjectList() |
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74 | { |
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75 | this->first_ = 0; |
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76 | } |
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77 | |
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78 | /** |
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79 | @brief Destructor: Removes all elements from the list, causing them to remove the stored ObjectListElement from the ObjectList. |
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80 | */ |
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81 | MetaObjectList::~MetaObjectList() |
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82 | { |
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83 | MetaObjectListElement* temp; |
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84 | while (this->first_) |
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85 | { |
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86 | temp = this->first_->next_; |
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87 | delete this->first_; |
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88 | this->first_ = temp; |
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89 | } |
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90 | } |
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91 | |
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92 | /** |
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93 | @brief Adds an ObjectList and an element of that list to the MetaObjectList. |
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94 | @param list The ObjectList wherein the element is |
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95 | @param element The element wherein the object is |
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96 | */ |
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97 | void MetaObjectList::add(ObjectListBase* list, ObjectListBaseElement* element) |
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98 | { |
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99 | MetaObjectListElement* temp = this->first_; |
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100 | this->first_ = new MetaObjectListElement(list, element); |
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101 | this->first_->next_ = temp; |
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102 | } |
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103 | } |
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