/**

 * vim: set ts=4 :

 * =============================================================================

 * SourceMod SDKTools Extension

 * Copyright (C) 2004-2007 AlliedModders LLC.  All rights reserved.

 * =============================================================================

 *

 * This program is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, version 3.0, as published by the

 * Free Software Foundation.

 * 

 * 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, see <http://www.gnu.org/licenses/>.

 *

 * As a special exception, AlliedModders LLC gives you permission to link the

 * code of this program (as well as its derivative works) to "Half-Life 2," the

 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software

 * by the Valve Corporation.  You must obey the GNU General Public License in

 * all respects for all other code used.  Additionally, AlliedModders LLC grants

 * this exception to all derivative works.  AlliedModders LLC defines further

 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),

 * or <http://www.sourcemod.net/license.php>.

 *

 * Version: $Id: vcallbuilder.h 1566 2007-10-14 22:12:46Z faluco $

 */

#ifndef _INCLUDE_SOURCEMOD_UTIL_H_

#define _INCLUDE_SOURCEMOD_UTIL_H_

#include "utldict.h"

abstract_class IEntityFactory

{

public:

	virtual IServerNetworkable *Create( const char *pClassName ) = 0;

	virtual void Destroy( IServerNetworkable *pNetworkable ) = 0;

	virtual size_t GetEntitySize() = 0;

};

template <class T>

class CEntityFactory : public IEntityFactory

{

public:

	CEntityFactory( const char *pClassName )

	{

		EntityFactoryDictionary()->InstallFactory( this, pClassName );

	}

	IServerNetworkable *Create( const char *pClassName )

	{

		T* pEnt = _CreateEntityTemplate((T*)NULL, pClassName);

		return pEnt->NetworkProp();

	}

	void Destroy( IServerNetworkable *pNetworkable )

	{

		if ( pNetworkable )

		{

			pNetworkable->Release();

		}

	}

	virtual size_t GetEntitySize()

	{

		return sizeof(T);

	}

};

abstract_class IEntityFactoryDictionary

{

public:

	virtual void InstallFactory( IEntityFactory *pFactory, const char *pClassName ) = 0;

	virtual IServerNetworkable *Create( const char *pClassName ) = 0;

	virtual void Destroy( const char *pClassName, IServerNetworkable *pNetworkable ) = 0;

	virtual IEntityFactory *FindFactory( const char *pClassName ) = 0;

	virtual const char *GetCannonicalName( const char *pClassName ) = 0;

};

class CEntityFactoryDictionary : public IEntityFactoryDictionary

{

public:

	CEntityFactoryDictionary();

	virtual void InstallFactory( IEntityFactory *pFactory, const char *pClassName );

	virtual IServerNetworkable *Create( const char *pClassName );

	virtual void Destroy( const char *pClassName, IServerNetworkable *pNetworkable );

	virtual const char *GetCannonicalName( const char *pClassName );

	void ReportEntitySizes();

private:

	IEntityFactory *FindFactory( const char *pClassName );

public:

	CUtlDict< IEntityFactory *, unsigned short > m_Factories;

};

#endif //_INCLUDE_SOURCEMOD_UTIL_H_