resourcetype_raw.cpp

这是一款2d游戏引擎

/*  $Id: resourcetype_raw.cpp,v 1.9 2003/09/03 22:58:17 mbn Exp $
**
**  ClanLib Game SDK
**  Copyright (C) 2003  The ClanLib Team
**  For a total list of contributers see the file CREDITS.
**
**  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
**

	File purpose:
		Raw resource type

*/

#include "Core/precomp.h"
#include "API/Core/Resources/resourcetype_raw.h"
#include "API/Core/Resources/resource.h"
#include "API/Core/Resources/resource_manager.h"
#include "API/Core/IOData/inputsource.h"
#include "API/Core/IOData/inputsource_provider.h"
#include "API/Core/IOData/outputsource.h"
#include "API/Core/IOData/outputsource_provider.h"

/////////////////////////////////////////////////////////////////////////////
// CL_ResourceData_Raw construction:

CL_ResourceData_Raw::CL_ResourceData_Raw(CL_Resource &resource)
: CL_ResourceData(resource)
{
	resource.attach_data("raw", this);
}

/////////////////////////////////////////////////////////////////////////////
// CL_ResourceData_Raw implementation:

void CL_ResourceData_Raw::on_load()
{
	CL_ResourceManager manager = get_resource().get_manager();
	std::string filename = get_resource().get_element().get_attribute("file");

	CL_InputSource *input = manager.get_resource_provider()->open_source(filename.c_str());

	try
	{
		int length = input->size();
		value = std::vector<unsigned char>(length);
		input->read(&value.front(), length);
	}
	catch (...)
	{
		delete input;
		throw;
	}

	delete input;
}

void CL_ResourceData_Raw::on_unload()
{
	value = std::vector<unsigned char>();
}