[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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[7401] | 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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[1574] | 33 | |
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[7401] | 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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[1574] | 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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[3196] | 42 | #include "CorePrereqs.h" |
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[2784] | 43 | #include <vector> |
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[1574] | 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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[7401] | 50 | /// The list-element of the ObjectListBase |
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[1574] | 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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[7401] | 56 | @param objectBase The object to store |
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[1574] | 57 | */ |
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[1591] | 58 | ObjectListBaseElement(OrxonoxClass* objectBase) : next_(0), prev_(0), objectBase_(objectBase) {} |
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[1574] | 59 | |
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| 60 | ObjectListBaseElement* next_; //!< The next element in the list |
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| 61 | ObjectListBaseElement* prev_; //!< The previous element in the list |
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[1591] | 62 | OrxonoxClass* objectBase_; |
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[1574] | 63 | }; |
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| 64 | |
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| 65 | |
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| 66 | // ############################### |
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[1591] | 67 | // ### ObjectListElement ### |
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| 68 | // ############################### |
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[7401] | 69 | /// The list-element that actually contains the object |
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[1591] | 70 | template <class T> |
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| 71 | class ObjectListElement : public ObjectListBaseElement |
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| 72 | { |
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| 73 | public: |
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[2896] | 74 | ObjectListElement(T* object) : ObjectListBaseElement(static_cast<OrxonoxClass*>(object)), object_(object) {} |
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[1591] | 75 | T* object_; //!< The object |
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| 76 | }; |
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| 77 | |
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| 78 | |
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| 79 | // ############################### |
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[1574] | 80 | // ### ObjectListBase ### |
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| 81 | // ############################### |
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| 82 | /** |
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[7401] | 83 | @brief The ObjectListBase contains all objects of a given class. |
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| 84 | |
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| 85 | The ObjectListBase is used by Identifiers to store all objects of their class. |
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| 86 | You can use Identifier::getObjects() to get the object-list from an Identifier. |
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| 87 | Use @ref Iterator "Iterator<T>" to iterate through them. |
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| 88 | |
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| 89 | Alternatively you can also use the static helper class @ref orxonox::ObjectList "ObjectList<T>" |
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| 90 | to get the list of all objects of type @a T. Use @ref ObjectListIterator "ObjectListIterator<T>" |
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| 91 | or @ref Iterator "Iterator<T>" to iterate through them. |
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[1574] | 92 | */ |
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| 93 | class _CoreExport ObjectListBase |
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| 94 | { |
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| 95 | friend class MetaObjectListElement; |
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| 96 | |
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| 97 | public: |
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| 98 | ObjectListBase(Identifier* identifier); |
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| 99 | ~ObjectListBase(); |
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| 100 | |
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[1591] | 101 | ObjectListBaseElement* add(ObjectListBaseElement* element); |
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[1574] | 102 | |
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[7401] | 103 | /// Helper struct, used to export an element and the list to an instance of Iterator. |
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[1591] | 104 | struct Export |
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| 105 | { |
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| 106 | Export(ObjectListBase* list, ObjectListBaseElement* element) : list_(list), element_(element) {} |
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| 107 | ObjectListBase* list_; |
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| 108 | ObjectListBaseElement* element_; |
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| 109 | }; |
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| 110 | |
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[7401] | 111 | /// Returns a pointer to the first element in the list. Works only with Iterator. |
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[1591] | 112 | inline Export begin() { return ObjectListBase::Export(this, this->first_); } |
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[7401] | 113 | /// Returns a pointer to the element after the last element in the list. Works only with Iterator. |
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[1591] | 114 | inline Export end() { return ObjectListBase::Export(this, 0); } |
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[7401] | 115 | /// Returns a pointer to the last element in the list. Works only with Iterator. |
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[1591] | 116 | inline Export rbegin() { return ObjectListBase::Export(this, this->last_); } |
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[7401] | 117 | /// Returns a pointer to the element in front of the first element in the list. Works only with Iterator. |
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[1591] | 118 | inline Export rend() { return ObjectListBase::Export(this, 0); } |
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[1574] | 119 | |
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[2784] | 120 | inline void registerIterator(void* iterator) { this->iterators_.push_back(iterator); } |
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| 121 | inline void unregisterIterator(void* iterator) |
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| 122 | { |
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| 123 | for (unsigned int i = 0; i < this->iterators_.size(); ++i) |
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| 124 | { |
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| 125 | if (iterators_[i] == iterator) |
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| 126 | { |
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| 127 | iterators_.erase(iterators_.begin() + i); |
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| 128 | break; |
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| 129 | } |
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| 130 | } |
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| 131 | } |
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| 132 | inline void registerObjectListIterator(void* iterator) { this->objectListIterators_.push_back(iterator); } |
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| 133 | inline void unregisterObjectListIterator(void* iterator) |
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| 134 | { |
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| 135 | for (unsigned int i = 0; i < this->objectListIterators_.size(); ++i) |
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| 136 | { |
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| 137 | if (objectListIterators_[i] == iterator) |
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| 138 | { |
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| 139 | objectListIterators_.erase(objectListIterators_.begin() + i); |
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| 140 | break; |
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| 141 | } |
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| 142 | } |
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| 143 | } |
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[1591] | 144 | void notifyIterators(OrxonoxClass* object) const; |
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[1574] | 145 | |
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| 146 | inline Identifier* getIdentifier() const { return this->identifier_; } |
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| 147 | |
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| 148 | private: |
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[3196] | 149 | Identifier* identifier_; //!< The Iterator owning this list |
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| 150 | ObjectListBaseElement* first_; //!< The first element in the list |
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| 151 | ObjectListBaseElement* last_; //!< The last element in the list |
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[2784] | 152 | std::vector<void*> iterators_; //!< A list of Iterators pointing on an element in this list |
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| 153 | std::vector<void*> objectListIterators_; //!< A list of ObjectListIterators pointing on an element in this list |
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[1574] | 154 | }; |
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| 155 | } |
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| 156 | |
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| 157 | #endif /* _ObjectListBase_H__ */ |
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