[790] | 1 | /* |
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| 2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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[1505] | 3 | * > www.orxonox.net < |
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[790] | 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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[871] | 29 | /** |
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[2171] | 30 | @file |
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[790] | 31 | @brief Implementation of the Identifier class. |
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| 32 | */ |
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| 33 | |
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[9564] | 34 | #include "IdentifierManager.h" |
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[1505] | 35 | |
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| 36 | #include <ostream> |
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| 37 | |
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[3280] | 38 | #include "util/StringUtils.h" |
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[10624] | 39 | #include "core/Core.h" |
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[9563] | 40 | #include "core/config/ConfigValueContainer.h" |
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| 41 | #include "core/XMLPort.h" |
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| 42 | #include "core/object/ClassFactory.h" |
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[790] | 43 | |
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| 44 | namespace orxonox |
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| 45 | { |
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[10624] | 46 | IdentifierManager* IdentifierManager::singletonPtr_s = 0; |
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[790] | 47 | |
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[9667] | 48 | IdentifierManager::IdentifierManager() |
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[2662] | 49 | { |
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[9667] | 50 | this->hierarchyCreatingCounter_s = 0; |
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[10624] | 51 | this->recordTraceForIdentifier_ = NULL; |
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[2662] | 52 | } |
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| 53 | |
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| 54 | /** |
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[10624] | 55 | * Registers the identifier in all maps of the IdentifierManager. |
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| 56 | */ |
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| 57 | void IdentifierManager::addIdentifier(Identifier* identifier) |
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[1543] | 58 | { |
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[10624] | 59 | orxout(verbose, context::identifier) << "Adding identifier for " << identifier->getName() << " / " << identifier->getTypeInfo().name() << endl; |
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[1747] | 60 | |
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[10624] | 61 | this->identifiers_.insert(identifier); |
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| 62 | this->identifierByString_[identifier->getName()] = identifier; |
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| 63 | this->identifierByLowercaseString_[getLowercase(identifier->getName())] = identifier; |
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| 64 | this->identifierByNetworkId_[identifier->getNetworkID()] = identifier; |
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[1543] | 65 | } |
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| 66 | |
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| 67 | /** |
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[10624] | 68 | * Unregisters the identifier from all maps of the IdentifierManager. |
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[9667] | 69 | */ |
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[10624] | 70 | void IdentifierManager::removeIdentifier(Identifier* identifier) |
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[9667] | 71 | { |
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[10624] | 72 | this->identifiers_.erase(identifier); |
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| 73 | this->identifierByString_.erase(identifier->getName()); |
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| 74 | this->identifierByLowercaseString_.erase(getLowercase(identifier->getName())); |
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| 75 | this->identifierByNetworkId_.erase(identifier->getNetworkID()); |
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[9667] | 76 | } |
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| 77 | |
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| 78 | /** |
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[5929] | 79 | @brief Creates the class-hierarchy by creating and destroying one object of each type. |
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| 80 | */ |
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[9564] | 81 | void IdentifierManager::createClassHierarchy() |
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[5929] | 82 | { |
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[8858] | 83 | orxout(internal_status) << "Create class-hierarchy" << endl; |
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[9667] | 84 | this->startCreatingHierarchy(); |
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| 85 | |
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| 86 | std::set<Identifier*> initializedIdentifiers; |
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| 87 | |
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| 88 | // ensure root context exists before starting to create objects. if the root context is dynamically created while creating the class hierarchy, we |
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| 89 | // would mistakenly assume the class of the currently created object inherits from Context |
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| 90 | Context::getRootContext(); |
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| 91 | |
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| 92 | // iterate over all identifiers, create one instance of each class and initialize the identifiers |
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[5929] | 93 | { |
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[9667] | 94 | Context temporaryContext(NULL); |
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[10624] | 95 | for (std::set<Identifier*>::const_iterator it = this->identifiers_.begin(); it != this->identifiers_.end(); ++it) |
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[5929] | 96 | { |
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[10624] | 97 | Identifier* identifier = (*it); |
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| 98 | if (identifier->isInitialized()) |
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| 99 | continue; |
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| 100 | |
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| 101 | orxout(verbose, context::identifier) << "Initialize ClassIdentifier<" << identifier->getName() << ">-Singleton." << endl; |
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[9667] | 102 | // To initialize the identifier, we create a new object and delete it afterwards. |
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[10624] | 103 | if (identifier->hasFactory()) |
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[9667] | 104 | { |
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[10624] | 105 | this->identifierTraceOfNewObject_.clear(); |
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| 106 | this->recordTraceForIdentifier_ = identifier; |
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| 107 | |
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| 108 | Identifiable* temp = identifier->fabricate(&temporaryContext); |
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| 109 | |
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| 110 | this->recordTraceForIdentifier_ = NULL; |
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| 111 | |
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| 112 | if (temp->getIdentifier() != identifier) |
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| 113 | orxout(internal_error) << "Newly created object of type " << identifier->getName() << " has unexpected identifier. Did you forget to use RegisterObject(classname)?" << endl; |
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| 114 | |
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| 115 | identifier->initializeParents(this->identifierTraceOfNewObject_[temp]); |
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| 116 | |
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[9667] | 117 | delete temp; |
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| 118 | } |
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| 119 | |
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[10624] | 120 | initializedIdentifiers.insert(identifier); |
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[5929] | 121 | } |
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[9667] | 122 | |
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| 123 | size_t numberOfObjects = temporaryContext.getObjectList<Listable>()->size(); |
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| 124 | if (numberOfObjects > 0) |
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| 125 | orxout(internal_warning) << "There are still " << numberOfObjects << " listables left after creating the class hierarchy" << endl; |
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[5929] | 126 | } |
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[9667] | 127 | |
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| 128 | // finish the initialization of all identifiers |
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[10624] | 129 | for (std::set<Identifier*>::const_iterator it = initializedIdentifiers.begin(); it != initializedIdentifiers.end(); ++it) |
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| 130 | (*it)->finishInitialization(); |
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[9667] | 131 | |
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[10624] | 132 | // only check class hierarchy in dev mode because it's an expensive operation and it requires a developer to fix detected problems anyway. |
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| 133 | if (!Core::exists() || Core::getInstance().getConfig()->inDevMode()) |
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| 134 | this->verifyClassHierarchy(initializedIdentifiers); |
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| 135 | |
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[9667] | 136 | this->stopCreatingHierarchy(); |
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[8858] | 137 | orxout(internal_status) << "Finished class-hierarchy creation" << endl; |
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[5929] | 138 | } |
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| 139 | |
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| 140 | /** |
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[10624] | 141 | * Verifies if the class hierarchy is consistent with the RTTI. |
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| 142 | */ |
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| 143 | void IdentifierManager::verifyClassHierarchy(const std::set<Identifier*>& initializedIdentifiers) |
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[1747] | 144 | { |
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[10624] | 145 | // check if there are any uninitialized identifiers remaining |
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| 146 | for (std::set<Identifier*>::const_iterator it = this->identifiers_.begin(); it != this->identifiers_.end(); ++it) |
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| 147 | if (!(*it)->isInitialized()) |
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| 148 | orxout(internal_error) << "Identifier was registered late and is not initialized: " << (*it)->getName() << " / " << (*it)->getTypeInfo().name() << endl; |
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[1747] | 149 | |
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[10624] | 150 | // for all initialized identifiers, check if a sample instance behaves as expected according to the class hierarchy |
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| 151 | Context temporaryContext(NULL); |
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| 152 | for (std::set<Identifier*>::const_iterator it1 = initializedIdentifiers.begin(); it1 != initializedIdentifiers.end(); ++it1) |
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| 153 | { |
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| 154 | if (!(*it1)->hasFactory()) |
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| 155 | continue; |
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| 156 | |
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| 157 | Identifiable* temp = (*it1)->fabricate(&temporaryContext); |
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| 158 | |
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| 159 | for (std::set<Identifier*>::const_iterator it2 = this->identifiers_.begin(); it2 != this->identifiers_.end(); ++it2) |
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| 160 | { |
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| 161 | bool isA_AccordingToRtti = (*it2)->canDynamicCastObjectToIdentifierClass(temp); |
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| 162 | bool isA_AccordingToClassHierarchy = temp->isA((*it2)); |
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| 163 | |
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| 164 | if (isA_AccordingToRtti != isA_AccordingToClassHierarchy) |
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| 165 | { |
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| 166 | orxout(internal_error) << "Class hierarchy does not match RTTI: Class hierarchy claims that " << (*it1)->getName() << |
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| 167 | (isA_AccordingToClassHierarchy ? " is a " : " is not a ") << (*it2)->getName() << " but RTTI says the opposite." << endl; |
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| 168 | } |
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| 169 | } |
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| 170 | |
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| 171 | delete temp; |
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| 172 | } |
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| 173 | orxout(internal_info) << "Class hierarchy matches RTTI" << endl; |
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| 174 | |
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| 175 | size_t numberOfObjects = temporaryContext.getObjectList<Listable>()->size(); |
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| 176 | if (numberOfObjects > 0) |
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| 177 | orxout(internal_warning) << "There are still " << numberOfObjects << " listables left after creating the class hierarchy" << endl; |
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[1505] | 178 | } |
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| 179 | |
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| 180 | /** |
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[10624] | 181 | * @brief Resets all Identifiers. |
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| 182 | */ |
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| 183 | void IdentifierManager::destroyClassHierarchy() |
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| 184 | { |
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| 185 | orxout(internal_status) << "Destroy class-hierarchy" << endl; |
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| 186 | for (std::set<Identifier*>::const_iterator it = this->identifiers_.begin(); it != this->identifiers_.end(); ++it) |
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| 187 | (*it)->reset(); |
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| 188 | } |
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| 189 | |
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| 190 | /** |
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[9667] | 191 | * @brief Notifies the IdentifierManager about a newly created object while creating the class hierarchy. |
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| 192 | */ |
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| 193 | void IdentifierManager::createdObject(Identifiable* identifiable) |
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[1505] | 194 | { |
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[9667] | 195 | if (this->isCreatingHierarchy()) |
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[10624] | 196 | { |
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| 197 | if (this->recordTraceForIdentifier_) |
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| 198 | { |
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| 199 | std::list<const Identifier*>& traceForObject = this->identifierTraceOfNewObject_[identifiable]; |
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| 200 | if (std::find(traceForObject.begin(), traceForObject.end(), identifiable->getIdentifier()) != traceForObject.end()) |
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| 201 | { |
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| 202 | orxout(internal_warning) << this->recordTraceForIdentifier_->getName() << " inherits two times from " << |
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| 203 | identifiable->getIdentifier()->getName() << ". Did you forget to use virtual inheritance?" << endl; |
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| 204 | } |
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| 205 | traceForObject.push_back(identifiable->getIdentifier()); |
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| 206 | } |
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| 207 | } |
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[9667] | 208 | else |
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| 209 | orxout(internal_warning) << "createdObject() called outside of class hierarchy creation" << endl; |
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[1505] | 210 | } |
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| 211 | |
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| 212 | /** |
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[5929] | 213 | @brief Returns the Identifier with a given name. |
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| 214 | @param name The name of the wanted Identifier |
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| 215 | @return The Identifier |
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| 216 | */ |
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[9564] | 217 | Identifier* IdentifierManager::getIdentifierByString(const std::string& name) |
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[5929] | 218 | { |
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[9667] | 219 | std::map<std::string, Identifier*>::const_iterator it = this->identifierByString_.find(name); |
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| 220 | if (it != this->identifierByString_.end()) |
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[5929] | 221 | return it->second; |
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| 222 | else |
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| 223 | return 0; |
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| 224 | } |
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| 225 | |
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| 226 | /** |
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| 227 | @brief Returns the Identifier with a given name in lowercase. |
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| 228 | @param name The name of the wanted Identifier |
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| 229 | @return The Identifier |
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| 230 | */ |
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[9564] | 231 | Identifier* IdentifierManager::getIdentifierByLowercaseString(const std::string& name) |
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[5929] | 232 | { |
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[9667] | 233 | std::map<std::string, Identifier*>::const_iterator it = this->identifierByLowercaseString_.find(name); |
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| 234 | if (it != this->identifierByLowercaseString_.end()) |
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[5929] | 235 | return it->second; |
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| 236 | else |
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| 237 | return 0; |
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| 238 | } |
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| 239 | |
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| 240 | /** |
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| 241 | @brief Returns the Identifier with a given network ID. |
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| 242 | @param id The network ID of the wanted Identifier |
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| 243 | @return The Identifier |
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| 244 | */ |
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[9564] | 245 | Identifier* IdentifierManager::getIdentifierByID(const uint32_t id) |
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[5929] | 246 | { |
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[9667] | 247 | std::map<uint32_t, Identifier*>::const_iterator it = this->identifierByNetworkId_.find(id); |
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| 248 | if (it != this->identifierByNetworkId_.end()) |
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[5929] | 249 | return it->second; |
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| 250 | else |
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| 251 | return 0; |
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| 252 | } |
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| 253 | |
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| 254 | /** |
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[10624] | 255 | @brief Returns the Identifier with a given typeid-name. |
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| 256 | @param name The typeid-name of the wanted Identifier |
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| 257 | @return The Identifier |
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| 258 | */ |
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| 259 | Identifier* IdentifierManager::getIdentifierByTypeInfo(const std::type_info& typeInfo) |
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| 260 | { |
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| 261 | // TODO: use std::type_index and a map to find identifiers by type_info (only with c++11) |
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| 262 | for (std::set<Identifier*>::iterator it = this->identifiers_.begin(); it != this->identifiers_.end(); ++it) |
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| 263 | if ((*it)->getTypeInfo() == typeInfo) |
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| 264 | return (*it); |
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| 265 | return 0; |
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| 266 | } |
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| 267 | |
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| 268 | /** |
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[5929] | 269 | @brief Cleans the NetworkID map (needed on clients for correct initialization) |
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| 270 | */ |
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[9564] | 271 | void IdentifierManager::clearNetworkIDs() |
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[5929] | 272 | { |
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[9667] | 273 | this->identifierByNetworkId_.clear(); |
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[5929] | 274 | } |
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[790] | 275 | } |
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