OgrePCZoneFactory.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2014 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
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OgrePCZoneFactory.h  -  PCZone Factory & Factory Manager

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begin                : Mon Apr 16 2007
author               : Eric Cha
email                : ericc@xenopi.com
Code Style Update    :
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*/

#ifndef PCZONE_FACTORY_H
#define PCZONE_FACTORY_H

#include <OgreSingleton.h>
#include "OgrePCZone.h"

namespace Ogre
{
    class PCZSceneManager;

    class _OgrePCZPluginExport PCZoneFactory : public SceneCtlAllocatedObject
    {
    public:
        PCZoneFactory(const String & typeName);
        virtual ~PCZoneFactory();
        virtual bool supportsPCZoneType(const String& zoneType) = 0;
        virtual PCZone* createPCZone(PCZSceneManager * pczsm, const String& zoneName) = 0;
        const String& getFactoryTypeName() const { return mFactoryTypeName; }
        String mFactoryTypeName;
    };

    // Factory for default zone
    class _OgrePCZPluginExport DefaultZoneFactory : public PCZoneFactory
    {
    public:
        DefaultZoneFactory();
        virtual ~DefaultZoneFactory();
        bool supportsPCZoneType(const String& zoneType);
        PCZone* createPCZone(PCZSceneManager * pczsm, const String& zoneName);
    };

    // PCZoneFactory manager class
    class _OgrePCZPluginExport PCZoneFactoryManager : public Singleton<PCZoneFactoryManager>, public SceneCtlAllocatedObject
    {
    public:
        PCZoneFactoryManager(); 
        ~PCZoneFactoryManager();
        void registerPCZoneFactory(PCZoneFactory* factory);
        void unregisterPCZoneFactory(PCZoneFactory* factory);
        PCZone* createPCZone(PCZSceneManager * pczsm,
                             const String& zoneType, 
                             const String& zoneName);
        static PCZoneFactoryManager& getSingleton(void);
        static PCZoneFactoryManager* getSingletonPtr(void);
        /* PCZoneFactory Iterator - for querying what types of PCZone
        factories are available */
        typedef map<String, PCZoneFactory*>::type PCZoneFactoryMap;
        typedef MapIterator<PCZoneFactoryMap> PCZoneFactoryIterator;
        PCZoneFactoryIterator getPCZoneFactoryIterator(void);

    protected:
        PCZoneFactoryMap mPCZoneFactories;
        DefaultZoneFactory mDefaultFactory;
    };
}

#endif