/*****************************************************************************
The Dark Mod GPL Source Code

This file is part of the The Dark Mod Source Code, originally based
on the Doom 3 GPL Source Code as published in 2011.

The Dark Mod Source Code is free software: you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version. For details, see LICENSE.TXT.

Project: The Dark Mod (http://www.thedarkmod.com/)

******************************************************************************/

#include "precompiled.h"
#pragma hdrstop


#include "sys_local.h"

idCVar sys_lang( "sys_lang", "english", CVAR_SYSTEM | CVAR_ARCHIVE,  "The current used language. Possible values are 'english', 'german', 'russian' etc." );

idSysLocal			sysLocal;
idSys *				sys = &sysLocal;

void idSysLocal::DebugPrintf( const char *fmt, ... ) {
	va_list argptr;

	va_start( argptr, fmt );
	Sys_DebugVPrintf( fmt, argptr );
	va_end( argptr );
}

void idSysLocal::DebugVPrintf( const char *fmt, va_list arg ) {
	Sys_DebugVPrintf( fmt, arg );
}

uint64 idSysLocal::GetClockTicks( void ) {
	return Sys_GetClockTicks();
}

uint64 idSysLocal::ClockTicksPerSecond( void ) {
	return Sys_ClockTicksPerSecond();
}

cpuid_t idSysLocal::GetProcessorId( void ) {
	return Sys_GetProcessorId();
}

const char *idSysLocal::GetProcessorString( void ) {
	return Sys_GetProcessorString();
}

void idSysLocal::FPU_SetFTZ( bool enable ) {
	Sys_FPU_SetFTZ( enable );
}

void idSysLocal::FPU_SetDAZ( bool enable ) {
	Sys_FPU_SetDAZ( enable );
}

void idSysLocal::FPU_SetExceptions(bool enable) {
	Sys_FPU_SetExceptions(enable);
}

extern idCVar com_fpexceptions;
void idSysLocal::ThreadStartup() {
	Sys_FPU_SetPrecision();
	Sys_FPU_SetFTZ(true);
	Sys_FPU_SetDAZ(true);
	ThreadHeartbeat( nullptr );
}

void idSysLocal::ThreadHeartbeat( const char *threadName ) {
	thread_local static int oldValue = -1;
	int newValue = com_fpexceptions.GetInteger();
	if (newValue != oldValue) {
		oldValue = newValue;
		Sys_FPU_SetExceptions(com_fpexceptions.GetBool());
	}

	thread_local static bool threadNameSetInTracy = false;
	if (threadName && !threadNameSetInTracy && g_tracingEnabled) {
		Sys_SetCurrentThreadName( threadName );
		threadNameSetInTracy = true;
	}
}

bool idSysLocal::LockMemory( void *ptr, int bytes ) {
	return Sys_LockMemory( ptr, bytes );
}

bool idSysLocal::UnlockMemory( void *ptr, int bytes ) {
	return Sys_UnlockMemory( ptr, bytes );
}

uintptr_t idSysLocal::DLL_Load(const char *dllName) {
	return Sys_DLL_Load( dllName );
}

void *idSysLocal::DLL_GetProcAddress(uintptr_t dllHandle, const char *procName) {
	return Sys_DLL_GetProcAddress( dllHandle, procName );
}

void idSysLocal::DLL_Unload(uintptr_t dllHandle) {
	Sys_DLL_Unload( dllHandle );
}

void idSysLocal::DLL_GetFileName( const char *baseName, char *dllName, int maxLength ) {
#ifdef _WIN32
    // e.g. gamex64.dll
    idStr::snPrintf(dllName, maxLength, "%s%s.dll", baseName, CPUSTRING);
#elif defined( __linux__ ) || defined(__FreeBSD__)
    // e.g. gamex64.so
    idStr::snPrintf(dllName, maxLength, "%s%s.so", baseName, CPUSTRING);
#elif defined( MACOS_X )
	idStr::snPrintf( dllName, maxLength, "%s" ".dylib", baseName );
#else
#error OS define is required
#endif
}

sysEvent_t idSysLocal::GenerateMouseButtonEvent( int button, bool down ) {
	sysEvent_t ev;
	ev.evType = SE_KEY;
	ev.evValue = K_MOUSE1 + button - 1;
	ev.evValue2 = down;
	ev.evPtrLength = 0;
	ev.evPtr = NULL;
	return ev;
}

sysEvent_t idSysLocal::GenerateMouseMoveEvent( int deltax, int deltay ) {
	sysEvent_t ev;
	ev.evType = SE_MOUSE;
	ev.evValue = deltax;
	ev.evValue2 = deltay;
	ev.evPtrLength = 0;
	ev.evPtr = NULL;
	return ev;
}

/*
=================
Sys_TimeStampToStr
=================
*/
const char *Sys_TimeStampToStr( ID_TIME_T timeStamp ) {
	static char timeString[MAX_STRING_CHARS];
	timeString[0] = '\0';

	tm*	time = localtime( &timeStamp );
	idStr out;
	
	idStr lang = cvarSystem->GetCVarString( "sys_lang" );
	if ( lang.Icmp( "english" ) == 0 ) {
		// english gets "month/day/year  hour:min" + "am" or "pm"
		out = va( "%02d", time->tm_mon + 1 );
		out += "/";
		out += va( "%02d", time->tm_mday );
		out += "/";
		out += va( "%d", time->tm_year + 1900 );
		out += "\t";
		if ( time->tm_hour > 12 ) {
			out += va( "%02d", time->tm_hour - 12 );
		} else if ( time->tm_hour == 0 ) {
				out += "12";
		} else {
			out += va( "%02d", time->tm_hour );
		}
		out += ":";
		out +=va( "%02d", time->tm_min );
		if ( time->tm_hour >= 12 ) {
			out += "pm";
		} else {
			out += "am";
		}
	} else {
		// europeans get "day/month/year  24hour:min"
		out = va( "%02d", time->tm_mday );
		out += "/";
		out += va( "%02d", time->tm_mon + 1 );
		out += "/";
		out += va( "%d", time->tm_year + 1900 );
		out += "\t";
		out += va( "%02d", time->tm_hour );
		out += ":";
		out += va( "%02d", time->tm_min );
	}
	idStr::Copynz( timeString, out, sizeof( timeString ) );

	return timeString;
}