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