CoreIncludes.h

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/*
 *   ORXONOX - the hottest 3D action shooter ever to exist
 *                    > www.orxonox.net <
 *
 *
 *   License notice:
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
 *   as published by the Free Software Foundation; either version 2
 *   of the License, or (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 *   Author:
 *      Fabian 'x3n' Landau
 *   Co-authors:
 *      ...
 *
 */

#ifndef _CoreIncludes_H__
#define _CoreIncludes_H__

#include "CorePrereqs.h"

#include "util/Output.h"
#include "class/IdentifierManager.h"
#include "object/ClassFactory.h"
#include "object/ObjectList.h"
#include "module/StaticallyInitializedInstance.h"

// resolve macro conflict on windows
#if defined(ORXONOX_PLATFORM_WINDOWS)
#   define WIN32_LEAN_AND_MEAN
#   include <windows.h>
#   undef RegisterClass
#endif


#define RegisterClass(ClassName) \
    RegisterClassWithFactory(ClassName, new orxonox::ClassFactoryWithContext<ClassName>(), true)

#define RegisterClassNoArgs(ClassName) \
    RegisterClassWithFactory(ClassName, new orxonox::ClassFactoryNoArgs<ClassName>(), true)

#define RegisterUnloadableClass(ClassName) \
    RegisterClassWithFactory(ClassName, new orxonox::ClassFactoryWithContext<ClassName>(), false)

#define RegisterAbstractClass(ClassName) \
    RegisterClassWithFactory(ClassName, static_cast<ClassFactory<ClassName>*>(nullptr), false)

#define RegisterClassWithFactory(ClassName, FactoryInstance, bLoadable) \
    orxonox::SI_I& _##ClassName##Identifier = (*new orxonox::SI_I(orxonox::registerClass<ClassName>(#ClassName, FactoryInstance, bLoadable)))

#define RegisterObject(ClassName) \
    if (ClassIdentifier<ClassName>::getIdentifier()->initializeObject(this)) \
        return; \
    else \
        ((void)0)

#define Class(ClassName) \
    orxonox::ClassIdentifier<ClassName>::getIdentifier()


namespace orxonox
{
    template <class T>
    inline Identifier* registerClass(const std::string& name, ClassFactory<T>* factory, bool bLoadable = true)
    {
        return registerClass<T>(name, static_cast<Factory*>(factory), bLoadable);
    }

    template <class T>
    inline Identifier* registerClass(const std::string& name, Factory* factory, bool bLoadable = true)
    {
        return new ClassIdentifier<T>(name, factory, bLoadable);
    }

    inline Identifier* ClassByString(const std::string& name)
    {
        return IdentifierManager::getInstance().getIdentifierByString(name);
    }

    inline Identifier* ClassByLowercaseString(const std::string& name)
    {
        return IdentifierManager::getInstance().getIdentifierByLowercaseString(name);
    }

    inline Identifier* ClassByID(uint32_t id)
    {
        return IdentifierManager::getInstance().getIdentifierByID(id);
    }

    template <class T>
    inline Identifier* ClassByObjectType(const T* p)
    {
        return ClassIdentifier<T>::getIdentifier();
    }




    class _CoreExport StaticallyInitializedIdentifier : public StaticallyInitializedInstance
    {
        template <class T>
        struct InheritsFromClass : public Identifier::InheritsFrom
        {
            virtual Identifier* getParent() const override { return Class(T); }
        };

        public:
            StaticallyInitializedIdentifier(Identifier* identifier)
                : StaticallyInitializedInstance(StaticInitialization::IDENTIFIER)
                , identifier_(identifier)
            {}
            ~StaticallyInitializedIdentifier() { identifier_->destroy(); }

            virtual void load() override
            {
                IdentifierManager::getInstance().addIdentifier(this->identifier_);
            }

            virtual void unload() override
            {
                IdentifierManager::getInstance().removeIdentifier(this->identifier_);
            }

            inline Identifier& getIdentifier()
                { return *this->identifier_; }

            template <class T>
            inline StaticallyInitializedIdentifier& inheritsFrom()
                { this->identifier_->inheritsFrom(new InheritsFromClass<T>()); return *this; }

            inline StaticallyInitializedIdentifier& virtualBase()
                { this->identifier_->setVirtualBase(true); return *this; }

        private:
            Identifier* identifier_;
    };

    typedef StaticallyInitializedIdentifier SI_I;
}

#endif /* _CoreIncludes_H__ */