oasisresource.h

使用stl技术,(还没看,是听说的)

/******************************************************************************
 * This source file is part of Bad Camel Gaming
 * Copyright (C) 2003  Zephie Greyvenstein
 * See Readme.html for acknowledgements
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *****************************************************************************/

/******************************************************************************
 * FILENAME    : oasisResource.h
 * DESCRIPTION : The resource base class
 * AUTHOR      : Zephie Greyvenstein
 *****************************************************************************/

/// Avoid double inclusion
#ifndef __RESOURCE_H__
#define __RESOURCE_H__

/// Include common stuff
#include "oasisCommon.h"

namespace Oasis {
  /// The resource base class
  class _oasisExport resource {
    /// Resource manager is our friend as it needs to be able to tell us to
    /// load or unload, destroy us
    friend class resourceManager;

  public:
    /// Constructor
    resource( const string &thisName );
    /// Destructor
    virtual ~resource( );
    
    /// Get the last time this resource was accessed
    const timestamp getLastAccess( void ) const;
    
    /// Get the size of this resource
    const size getSize( void ) const;
    
    /// Touch the resource
    void touch( void );

    /// Get the resources name
    const string &getName( void ) const;

    /// Returns if it is loaded
    bool isLoaded( void );
	     
  protected:
    /// The resource name
    string name;
    /// The loaded state
    bool loaded;
    /// The timestamp
    timestamp lastAccess;
    /// The size of the resource
    size mySize;

    /// Overload this to load the resource
    virtual void load( void ) = 0;
    /// Override this to unload the resource
    virtual void unload( void );

    /// Destroys this resource
    void destroy( void );
  };
};

#endif