cnq3/code/win32/win_shared.cpp

151 lines
3.2 KiB
C++

/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena 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 2 of the License,
or (at your option) any later version.
Quake III Arena source code 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "../qcommon/q_shared.h"
#include "../qcommon/qcommon.h"
#include "win_local.h"
int Sys_Milliseconds()
{
static int sys_timeBase = 0;
if (!sys_timeBase)
sys_timeBase = timeGetTime();
return (timeGetTime() - sys_timeBase);
}
void Sys_Sleep( int ms )
{
if (ms >= 1)
Sleep(ms);
}
void Sys_MicroSleep( int us )
{
if (us <= 0)
return;
LARGE_INTEGER frequency;
LARGE_INTEGER endTime;
QueryPerformanceCounter(&endTime);
QueryPerformanceFrequency(&frequency);
endTime.QuadPart += ((LONGLONG)us * frequency.QuadPart) / 1000000LL;
LARGE_INTEGER currentTime;
do {
SwitchToThread();
QueryPerformanceCounter(&currentTime);
} while (currentTime.QuadPart < endTime.QuadPart);
}
int64_t Sys_Microseconds()
{
static qbool initialized = qfalse;
static LARGE_INTEGER start;
static LARGE_INTEGER freq;
if (!initialized) {
initialized = qtrue;
QueryPerformanceFrequency(&freq);
QueryPerformanceCounter(&start);
}
LARGE_INTEGER now;
QueryPerformanceCounter(&now);
return ((now.QuadPart - start.QuadPart) * 1000000LL) / freq.QuadPart;
}
const char* Sys_DefaultHomePath()
{
return NULL;
}
qbool Sys_HardReboot()
{
return qfalse;
}
qbool Sys_HasCNQ3Parent()
{
return qfalse;
}
int Sys_GetUptimeSeconds( qbool parent )
{
if (parent)
return -1;
FILETIME startFileTime;
FILETIME trash[3];
if (GetProcessTimes(GetCurrentProcess(), &startFileTime, &trash[0], &trash[1], &trash[2]) == 0)
return -1;
SYSTEMTIME endSystemTime;
GetSystemTime(&endSystemTime);
FILETIME endFileTime;
if (SystemTimeToFileTime(&endSystemTime, &endFileTime) == 0)
return -1;
// 1 FILETIME unit is 100-nanoseconds
ULARGE_INTEGER start, end;
start.LowPart = startFileTime.dwLowDateTime;
start.HighPart = startFileTime.dwHighDateTime;
end.LowPart = endFileTime.dwLowDateTime;
end.HighPart = endFileTime.dwHighDateTime;
const int seconds = (int)((end.QuadPart - start.QuadPart) / 1e7);
return seconds;
}
void Sys_DebugPrintf( PRINTF_FORMAT_STRING const char* fmt, ... )
{
char buffer[1024];
va_list argptr;
va_start(argptr, fmt);
const int len = vsprintf(buffer, fmt, argptr);
va_end(argptr);
if (len < 0)
return;
if (len >= sizeof(buffer))
buffer[sizeof(buffer) - 1] = '\0';
OutputDebugStringA(buffer);
}
qbool Sys_IsDebuggerAttached()
{
return IsDebuggerPresent();
}