OpenGTA/dataholder.h
2018-09-23 10:57:34 +05:00

72 lines
2.7 KiB
C++
Executable File

/************************************************************************
* Copyright (c) 2005-2007 tok@openlinux.org.uk *
* *
* This software is provided as-is, without any express or implied *
* warranty. In no event will the authors be held liable for any *
* damages arising from the use of this software. *
* *
* Permission is granted to anyone to use this software for any purpose, *
* including commercial applications, and to alter it and redistribute *
* it freely, subject to the following restrictions: *
* *
* 1. The origin of this software must not be misrepresented; you must *
* not claim that you wrote the original software. If you use this *
* software in a product, an acknowledgment in the product documentation *
* would be appreciated but is not required. *
* *
* 2. Altered source versions must be plainly marked as such, and must *
* not be misrepresented as being the original software. *
* *
* 3. This notice may not be removed or altered from any source *
* distribution. *
************************************************************************/
#ifndef STYLE_HOLDER_H
#define STYLE_HOLDER_H
#include <string>
#include "opengta.h"
#include "m_exceptions.h"
#include "Singleton.h"
namespace OpenGTA {
/** Wrapper around resource-holding classes.
* - you have to call 'load' before 'get'
*
* - you may call load repeatedly
*/
template <class T>
class ActiveData {
public:
ActiveData();
~ActiveData();
T & get();
void load(const std::string & file);
private:
void unload();
T* m_data;
};
/** The wrapper around the GRY/G24 data interface.
*/
typedef ActiveData< GraphicsBase > ActiveStyle;
/** The wrapper around the map data interface.
*/
typedef ActiveData< Map > ActiveMap;
/** The wrapper around the message-string data interface.
*/
typedef ActiveData< MessageDB > MainMsgLookup;
/** Singleton: Graphics
*/
typedef Loki::SingletonHolder< ActiveStyle> StyleHolder;
/** Singleton: Map
*/
typedef Loki::SingletonHolder< ActiveMap> MapHolder;
/** Singleton: Message strings
*/
typedef Loki::SingletonHolder< MainMsgLookup> MainMsgHolder;
}
#endif