/* -----------------------------------------------------------------------------
	GSFramework
	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
----------------------------------------------------------------------------- */


		#include "platform.h"
		#include "async/job.h"
		#include "filesystem/filesystem.h"
		#include "filesystem/io_base.h"
		#include "input/input_system.h"
		#include "licensing/licensing.h"
		#include "analytics/analytics.h"
		#include "billing/billing.h"
		#include "log/file_log.h"
		#include "log/log.h"

		using namespace GS;

		#define	__ENABLE_PLATFORM_TRACE		0

		template<> Platform	*Singleton <Platform> ::i = NULL;
		String		Platform::app_dir;

static	int			g_start_clock = 0;
static	Time		g_start_time;


//------------------------------------------------------------------------------
void		Platform::Trace(const char *trace, const char *source, int line)
{
#if	__ENABLE_PLATFORM_TRACE
	static FileLog platform_trace("c:/platform_trace.log");
	platform_trace << trace << "(" << source << "@" << line << ")\n";
#endif
}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
String		Platform::GetAppPluginPath(const char *plugin) const
{	return ((app_dir + "/") + plugin).CleanFilePath();	}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
uint		Types::getPOT(uint v)
{	uint n = 1; for (; n < v; n *= 2) {} return n;	}
bool		Types::isPOT(uint v)
{	return ((v != 0) && ((v & (~v + 1)) == v));	}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
int			Platform::GetStartClock() const
{	return g_start_clock;	}
Time		Platform::GetStartTime() const
{	return g_start_time;	}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void		Platform::Initialize()
{
	if	(initialized)
		return;

	g_start_clock = GetClock();
	g_start_time = GetTime();

	job_manager->CreateJobThreadPool(Types::Max(GetSystemCoreCount() - 1, 1));	// keep 1 core for the master thread

	initialized = true;
}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
Platform::Platform() : initialized(false)
{
	io = new IO::Filesystem;
	job_manager = new ASync::JobManager;
}
//------------------------------------------------------------------------------