win_main.cpp

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/*
Copyright (C) 1997-2001 Id Software, Inc.

This program 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.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#include "../../common/common.h"
#include "win_local.h"
#include <fcntl.h>
#include <direct.h>
#include <io.h>
#include <mmsystem.h>

void Sys_Init (void)
{
    OSVERSIONINFO vinfo;
#if 0
    MEMORYSTATUS mem;
#endif

    sys_affinity = Cvar_Get("sys_affinity", "0", CVAR_ARCHIVE, "Which core to use - 0 = all cores, 1 = two cores, 2 = one core");
    sys_priority = Cvar_Get("sys_priority", "0", CVAR_ARCHIVE, "Process priority - 0 = normal, 1 = high, 2 = realtime");

    timeBeginPeriod(1);

    vinfo.dwOSVersionInfoSize = sizeof(vinfo);

    if (!GetVersionEx(&vinfo))
        Sys_Error("Couldn't get OS info");

    char const* detected = "win";
    if (vinfo.dwMajorVersion < 4) /* at least win nt 4 */
        Sys_Error("UFO: AI requires windows version 4 or greater");
    if (vinfo.dwPlatformId == VER_PLATFORM_WIN32s) /* win3.x with win32 extensions */
        Sys_Error("UFO: AI doesn't run on Win32s");
    else if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) /* win95, 98, me */
        detected = "win95";
    else if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT) { /* win nt, xp */
        if (vinfo.dwMajorVersion == 5 && vinfo.dwMinorVersion == 0)
            detected = "win2K";
        else if (vinfo.dwMajorVersion == 5)
            detected = "winXP";
        else if (vinfo.dwMajorVersion == 6)
            detected = "winVista";
    }

    sys_os = Cvar_Get("sys_os", detected, CVAR_SERVERINFO);

#if 0
    GlobalMemoryStatus(&mem);
    Com_Printf("Memory: %u MB\n", mem.dwTotalPhys >> 20);
#endif
}

static void FixWorkingDirectory (void)
{
    char curDir[MAX_PATH];

    GetModuleFileName(nullptr, curDir, sizeof(curDir)-1);

    char* p = strrchr(curDir, '\\');
    p[0] = 0;

    if (strlen(curDir) > (MAX_OSPATH - MAX_QPATH))
        Sys_Error("Current path is too long. Please move your installation to a shorter path.");

    SetCurrentDirectory(curDir);
}

#ifdef _MSC_VER
int main(int argc, char *argv[])
#else
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE, LPSTR, int)
#endif
{
#ifdef _MSC_VER
    global_hInstance = GetModuleHandle(NULL);
#else
    global_hInstance = hInstance;
#endif

    Sys_ConsoleInit();

    /* always change to the current working dir */
    FixWorkingDirectory();

    Qcommon_Init(__argc, __argv);

    /* main window message loop */
    while (1)
        Qcommon_Frame();

    /* never gets here */
    return FALSE;
}