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 | @ingroup Object ObjectList |
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32 | @brief Declaration of the ObjectListBase class which stores all objects of each class. |
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33 | |
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34 | orxonox::ObjectListBase is a double-linked list, used by @ref orxonox::Identifier "Identifiers" |
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35 | to store all objects of a given class. Newly created objects are added to the list through the |
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36 | @c RegisterObject() macro in the constructor. |
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37 | */ |
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38 | |
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39 | #ifndef _ObjectListBase_H__ |
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40 | #define _ObjectListBase_H__ |
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41 | |
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42 | #include "core/CorePrereqs.h" |
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43 | #include <vector> |
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44 | |
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45 | namespace orxonox |
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46 | { |
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47 | // ############################### |
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48 | // ### ObjectListBaseElement ### |
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49 | // ############################### |
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50 | /// The list-element of the ObjectListBase |
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51 | class _CoreExport ObjectListBaseElement |
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52 | { |
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53 | public: |
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54 | /** |
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55 | @brief Constructor: Creates the list-element with an object. |
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56 | @param objectBase The object to store |
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57 | */ |
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58 | ObjectListBaseElement(Listable* object, ObjectListBase* list) : next_(0), prev_(0), objectBase_(object), list_(list) {} |
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59 | ~ObjectListBaseElement(); |
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60 | |
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61 | ObjectListBaseElement* next_; //!< The next element in the list |
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62 | ObjectListBaseElement* prev_; //!< The previous element in the list |
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63 | Listable* objectBase_; //!< The object |
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64 | ObjectListBase* list_; //!< The list |
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65 | }; |
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66 | |
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67 | |
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68 | // ############################### |
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69 | // ### ObjectListElement ### |
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70 | // ############################### |
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71 | /// The list-element that actually contains the object |
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72 | template <class T> |
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73 | class ObjectListElement : public ObjectListBaseElement |
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74 | { |
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75 | public: |
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76 | ObjectListElement(T* object, ObjectListBase* list) : ObjectListBaseElement(static_cast<Listable*>(object), list), object_(object) {} |
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77 | T* object_; //!< The object |
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78 | }; |
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79 | |
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80 | |
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81 | // ############################### |
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82 | // ### ObjectListBase ### |
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83 | // ############################### |
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84 | /** |
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85 | @brief The ObjectListBase contains all objects of a given class. |
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86 | |
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87 | The ObjectListBase is used by Identifiers to store all objects of their class. |
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88 | You can use Identifier::getObjects() to get the object-list from an Identifier. |
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89 | Use @ref Iterator "Iterator<T>" to iterate through them. |
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90 | |
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91 | Alternatively you can also use the static helper class @ref orxonox::ObjectList "ObjectList<T>" |
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92 | to get the list of all objects of type @a T. Use @ref ObjectListIterator "ObjectListIterator<T>" |
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93 | or @ref Iterator "Iterator<T>" to iterate through them. |
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94 | */ |
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95 | class _CoreExport ObjectListBase |
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96 | { |
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97 | public: |
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98 | ObjectListBase(); |
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99 | ~ObjectListBase(); |
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100 | |
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101 | template <class T> |
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102 | inline ObjectListBaseElement* add(T* object) |
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103 | { return this->addElement(new ObjectListElement<T>(object, this)); } |
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104 | |
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105 | ObjectListBaseElement* addElement(ObjectListBaseElement* element); |
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106 | void removeElement(ObjectListBaseElement* element); |
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107 | |
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108 | /// Returns a pointer to the first element in the list. Works only with Iterator. |
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109 | inline ObjectListBaseElement* begin() { return this->first_; } |
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110 | /// Returns a pointer to the element after the last element in the list. Works only with Iterator. |
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111 | inline ObjectListBaseElement* end() { return 0; } |
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112 | /// Returns a pointer to the last element in the list. Works only with Iterator. |
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113 | inline ObjectListBaseElement* rbegin() { return this->last_; } |
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114 | /// Returns a pointer to the element in front of the first element in the list. Works only with Iterator. |
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115 | inline ObjectListBaseElement* rend() { return 0; } |
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116 | |
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117 | inline void registerIterator(void* iterator) { this->iterators_.push_back(iterator); } |
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118 | inline void unregisterIterator(void* iterator) |
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119 | { |
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120 | for (unsigned int i = 0; i < this->iterators_.size(); ++i) |
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121 | { |
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122 | if (iterators_[i] == iterator) |
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123 | { |
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124 | iterators_.erase(iterators_.begin() + i); |
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125 | break; |
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126 | } |
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127 | } |
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128 | } |
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129 | inline void registerObjectListIterator(void* iterator) { this->objectListIterators_.push_back(iterator); } |
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130 | inline void unregisterObjectListIterator(void* iterator) |
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131 | { |
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132 | for (unsigned int i = 0; i < this->objectListIterators_.size(); ++i) |
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133 | { |
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134 | if (objectListIterators_[i] == iterator) |
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135 | { |
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136 | objectListIterators_.erase(objectListIterators_.begin() + i); |
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137 | break; |
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138 | } |
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139 | } |
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140 | } |
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141 | void notifyIterators(Listable* object) const; |
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142 | |
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143 | private: |
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144 | ObjectListBaseElement* first_; //!< The first element in the list |
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145 | ObjectListBaseElement* last_; //!< The last element in the list |
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146 | std::vector<void*> iterators_; //!< A list of Iterators pointing on an element in this list |
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147 | std::vector<void*> objectListIterators_; //!< A list of ObjectListIterators pointing on an element in this list |
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148 | }; |
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149 | } |
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150 | |
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151 | #endif /* _ObjectListBase_H__ */ |
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