mirror of https://github.com/ioquake/ioq3.git
806 lines
15 KiB
C
806 lines
15 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "../qcommon/q_shared.h"
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#include "../qcommon/qcommon.h"
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#include "sys_local.h"
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#include <windows.h>
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#include <lmerr.h>
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#include <lmcons.h>
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#include <lmwksta.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <direct.h>
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#include <io.h>
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#include <conio.h>
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#include <wincrypt.h>
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#include <shlobj.h>
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#include <psapi.h>
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#include <float.h>
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// Used to determine where to store user-specific files
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static char homePath[ MAX_OSPATH ] = { 0 };
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#ifndef DEDICATED
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static UINT timerResolution = 0;
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#endif
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/*
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================
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Sys_SetFPUCW
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Set FPU control word to default value
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================
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*/
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#ifndef _RC_CHOP
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// mingw doesn't seem to have these defined :(
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#define _MCW_EM 0x0008001fU
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#define _MCW_RC 0x00000300U
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#define _MCW_PC 0x00030000U
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#define _RC_NEAR 0x00000000U
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#define _PC_53 0x00010000U
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unsigned int _controlfp(unsigned int new, unsigned int mask);
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#endif
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#define FPUCWMASK1 (_MCW_RC | _MCW_EM)
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#define FPUCW (_RC_NEAR | _MCW_EM | _PC_53)
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#if idx64
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#define FPUCWMASK (FPUCWMASK1)
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#else
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#define FPUCWMASK (FPUCWMASK1 | _MCW_PC)
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#endif
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void Sys_SetFloatEnv(void)
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{
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_controlfp(FPUCW, FPUCWMASK);
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}
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/*
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================
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Sys_DefaultHomePath
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================
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*/
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char *Sys_DefaultHomePath( void )
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{
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TCHAR szPath[MAX_PATH];
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FARPROC qSHGetFolderPath;
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HMODULE shfolder = LoadLibrary("shfolder.dll");
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if(shfolder == NULL)
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{
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Com_Printf("Unable to load SHFolder.dll\n");
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return NULL;
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}
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if(!*homePath && com_homepath)
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{
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qSHGetFolderPath = GetProcAddress(shfolder, "SHGetFolderPathA");
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if(qSHGetFolderPath == NULL)
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{
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Com_Printf("Unable to find SHGetFolderPath in SHFolder.dll\n");
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FreeLibrary(shfolder);
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return NULL;
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}
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if( !SUCCEEDED( qSHGetFolderPath( NULL, CSIDL_APPDATA,
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NULL, 0, szPath ) ) )
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{
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Com_Printf("Unable to detect CSIDL_APPDATA\n");
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FreeLibrary(shfolder);
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return NULL;
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}
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Com_sprintf(homePath, sizeof(homePath), "%s%c", szPath, PATH_SEP);
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if(com_homepath->string[0])
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Q_strcat(homePath, sizeof(homePath), com_homepath->string);
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else
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Q_strcat(homePath, sizeof(homePath), HOMEPATH_NAME_WIN);
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}
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FreeLibrary(shfolder);
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return homePath;
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}
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/*
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================
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Sys_Milliseconds
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================
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*/
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int sys_timeBase;
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int Sys_Milliseconds (void)
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{
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int sys_curtime;
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static qboolean initialized = qfalse;
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if (!initialized) {
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sys_timeBase = timeGetTime();
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initialized = qtrue;
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}
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sys_curtime = timeGetTime() - sys_timeBase;
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return sys_curtime;
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}
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/*
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================
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Sys_RandomBytes
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================
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*/
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qboolean Sys_RandomBytes( byte *string, int len )
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{
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HCRYPTPROV prov;
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if( !CryptAcquireContext( &prov, NULL, NULL,
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PROV_RSA_FULL, CRYPT_VERIFYCONTEXT ) ) {
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return qfalse;
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}
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if( !CryptGenRandom( prov, len, (BYTE *)string ) ) {
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CryptReleaseContext( prov, 0 );
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return qfalse;
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}
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CryptReleaseContext( prov, 0 );
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return qtrue;
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}
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/*
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================
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Sys_GetCurrentUser
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================
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*/
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char *Sys_GetCurrentUser( void )
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{
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static char s_userName[1024];
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unsigned long size = sizeof( s_userName );
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if( !GetUserName( s_userName, &size ) )
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strcpy( s_userName, "player" );
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if( !s_userName[0] )
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{
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strcpy( s_userName, "player" );
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}
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return s_userName;
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}
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/*
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================
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Sys_GetClipboardData
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================
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*/
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char *Sys_GetClipboardData( void )
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{
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char *data = NULL;
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char *cliptext;
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if ( OpenClipboard( NULL ) != 0 ) {
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HANDLE hClipboardData;
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if ( ( hClipboardData = GetClipboardData( CF_TEXT ) ) != 0 ) {
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if ( ( cliptext = GlobalLock( hClipboardData ) ) != 0 ) {
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data = Z_Malloc( GlobalSize( hClipboardData ) + 1 );
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Q_strncpyz( data, cliptext, GlobalSize( hClipboardData ) );
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GlobalUnlock( hClipboardData );
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strtok( data, "\n\r\b" );
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}
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}
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CloseClipboard();
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}
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return data;
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}
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#define MEM_THRESHOLD 96*1024*1024
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/*
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==================
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Sys_LowPhysicalMemory
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==================
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*/
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qboolean Sys_LowPhysicalMemory( void )
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{
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MEMORYSTATUS stat;
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GlobalMemoryStatus (&stat);
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return (stat.dwTotalPhys <= MEM_THRESHOLD) ? qtrue : qfalse;
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}
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/*
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==============
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Sys_Basename
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==============
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*/
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const char *Sys_Basename( char *path )
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{
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static char base[ MAX_OSPATH ] = { 0 };
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int length;
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length = strlen( path ) - 1;
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// Skip trailing slashes
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while( length > 0 && path[ length ] == '\\' )
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length--;
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while( length > 0 && path[ length - 1 ] != '\\' )
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length--;
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Q_strncpyz( base, &path[ length ], sizeof( base ) );
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length = strlen( base ) - 1;
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// Strip trailing slashes
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while( length > 0 && base[ length ] == '\\' )
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base[ length-- ] = '\0';
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return base;
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}
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/*
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==============
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Sys_Dirname
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==============
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*/
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const char *Sys_Dirname( char *path )
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{
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static char dir[ MAX_OSPATH ] = { 0 };
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int length;
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Q_strncpyz( dir, path, sizeof( dir ) );
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length = strlen( dir ) - 1;
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while( length > 0 && dir[ length ] != '\\' )
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length--;
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dir[ length ] = '\0';
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return dir;
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}
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/*
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==============
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Sys_FOpen
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==============
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*/
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FILE *Sys_FOpen( const char *ospath, const char *mode ) {
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return fopen( ospath, mode );
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}
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/*
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==============
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Sys_Mkdir
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==============
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*/
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qboolean Sys_Mkdir( const char *path )
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{
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if( !CreateDirectory( path, NULL ) )
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{
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if( GetLastError( ) != ERROR_ALREADY_EXISTS )
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return qfalse;
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}
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return qtrue;
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}
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/*
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==================
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Sys_Mkfifo
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Noop on windows because named pipes do not function the same way
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==================
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*/
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FILE *Sys_Mkfifo( const char *ospath )
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{
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return NULL;
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}
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/*
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==============
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Sys_Cwd
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==============
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*/
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char *Sys_Cwd( void ) {
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static char cwd[MAX_OSPATH];
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_getcwd( cwd, sizeof( cwd ) - 1 );
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cwd[MAX_OSPATH-1] = 0;
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return cwd;
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}
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/*
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==============================================================
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DIRECTORY SCANNING
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==============================================================
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*/
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#define MAX_FOUND_FILES 0x1000
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/*
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==============
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Sys_ListFilteredFiles
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==============
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*/
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void Sys_ListFilteredFiles( const char *basedir, char *subdirs, char *filter, char **list, int *numfiles )
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{
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char search[MAX_OSPATH], newsubdirs[MAX_OSPATH];
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char filename[MAX_OSPATH];
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intptr_t findhandle;
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struct _finddata_t findinfo;
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if ( *numfiles >= MAX_FOUND_FILES - 1 ) {
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return;
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}
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if (strlen(subdirs)) {
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Com_sprintf( search, sizeof(search), "%s\\%s\\*", basedir, subdirs );
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}
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else {
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Com_sprintf( search, sizeof(search), "%s\\*", basedir );
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}
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findhandle = _findfirst (search, &findinfo);
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if (findhandle == -1) {
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return;
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}
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do {
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if (findinfo.attrib & _A_SUBDIR) {
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if (Q_stricmp(findinfo.name, ".") && Q_stricmp(findinfo.name, "..")) {
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if (strlen(subdirs)) {
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Com_sprintf( newsubdirs, sizeof(newsubdirs), "%s\\%s", subdirs, findinfo.name);
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}
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else {
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Com_sprintf( newsubdirs, sizeof(newsubdirs), "%s", findinfo.name);
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}
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Sys_ListFilteredFiles( basedir, newsubdirs, filter, list, numfiles );
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}
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}
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if ( *numfiles >= MAX_FOUND_FILES - 1 ) {
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break;
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}
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Com_sprintf( filename, sizeof(filename), "%s\\%s", subdirs, findinfo.name );
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if (!Com_FilterPath( filter, filename, qfalse ))
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continue;
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list[ *numfiles ] = CopyString( filename );
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(*numfiles)++;
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} while ( _findnext (findhandle, &findinfo) != -1 );
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_findclose (findhandle);
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}
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/*
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==============
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strgtr
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==============
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*/
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static qboolean strgtr(const char *s0, const char *s1)
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{
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int l0, l1, i;
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l0 = strlen(s0);
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l1 = strlen(s1);
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if (l1<l0) {
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l0 = l1;
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}
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for(i=0;i<l0;i++) {
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if (s1[i] > s0[i]) {
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return qtrue;
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}
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if (s1[i] < s0[i]) {
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return qfalse;
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}
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}
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return qfalse;
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}
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/*
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==============
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Sys_ListFiles
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==============
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*/
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char **Sys_ListFiles( const char *directory, const char *extension, char *filter, int *numfiles, qboolean wantsubs )
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{
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char search[MAX_OSPATH];
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int nfiles;
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char **listCopy;
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char *list[MAX_FOUND_FILES];
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struct _finddata_t findinfo;
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intptr_t findhandle;
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int flag;
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int i;
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if (filter) {
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nfiles = 0;
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Sys_ListFilteredFiles( directory, "", filter, list, &nfiles );
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list[ nfiles ] = 0;
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*numfiles = nfiles;
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if (!nfiles)
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return NULL;
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listCopy = Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ) );
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for ( i = 0 ; i < nfiles ; i++ ) {
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listCopy[i] = list[i];
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}
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listCopy[i] = NULL;
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return listCopy;
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}
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if ( !extension) {
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extension = "";
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}
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// passing a slash as extension will find directories
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if ( extension[0] == '/' && extension[1] == 0 ) {
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extension = "";
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flag = 0;
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} else {
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flag = _A_SUBDIR;
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}
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Com_sprintf( search, sizeof(search), "%s\\*%s", directory, extension );
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// search
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nfiles = 0;
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findhandle = _findfirst (search, &findinfo);
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if (findhandle == -1) {
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*numfiles = 0;
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return NULL;
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}
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do {
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if ( (!wantsubs && flag ^ ( findinfo.attrib & _A_SUBDIR )) || (wantsubs && findinfo.attrib & _A_SUBDIR) ) {
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if ( nfiles == MAX_FOUND_FILES - 1 ) {
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break;
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}
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list[ nfiles ] = CopyString( findinfo.name );
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nfiles++;
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}
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} while ( _findnext (findhandle, &findinfo) != -1 );
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list[ nfiles ] = 0;
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_findclose (findhandle);
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// return a copy of the list
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*numfiles = nfiles;
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if ( !nfiles ) {
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return NULL;
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}
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listCopy = Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ) );
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for ( i = 0 ; i < nfiles ; i++ ) {
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listCopy[i] = list[i];
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}
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listCopy[i] = NULL;
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do {
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flag = 0;
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for(i=1; i<nfiles; i++) {
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if (strgtr(listCopy[i-1], listCopy[i])) {
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char *temp = listCopy[i];
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listCopy[i] = listCopy[i-1];
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listCopy[i-1] = temp;
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flag = 1;
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}
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}
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} while(flag);
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return listCopy;
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}
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/*
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==============
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Sys_FreeFileList
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==============
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*/
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void Sys_FreeFileList( char **list )
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{
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int i;
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if ( !list ) {
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return;
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}
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for ( i = 0 ; list[i] ; i++ ) {
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Z_Free( list[i] );
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}
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Z_Free( list );
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}
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/*
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==============
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Sys_Sleep
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Block execution for msec or until input is received.
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==============
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*/
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void Sys_Sleep( int msec )
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{
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if( msec == 0 )
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return;
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#ifdef DEDICATED
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if( msec < 0 )
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WaitForSingleObject( GetStdHandle( STD_INPUT_HANDLE ), INFINITE );
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else
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WaitForSingleObject( GetStdHandle( STD_INPUT_HANDLE ), msec );
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#else
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// Client Sys_Sleep doesn't support waiting on stdin
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if( msec < 0 )
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return;
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Sleep( msec );
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#endif
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}
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/*
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==============
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Sys_ErrorDialog
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Display an error message
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==============
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*/
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void Sys_ErrorDialog( const char *error )
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{
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if( Sys_Dialog( DT_YES_NO, va( "%s. Copy console log to clipboard?", error ),
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"Error" ) == DR_YES )
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{
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HGLOBAL memoryHandle;
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char *clipMemory;
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memoryHandle = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, CON_LogSize( ) + 1 );
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clipMemory = (char *)GlobalLock( memoryHandle );
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if( clipMemory )
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{
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char *p = clipMemory;
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char buffer[ 1024 ];
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unsigned int size;
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while( ( size = CON_LogRead( buffer, sizeof( buffer ) ) ) > 0 )
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{
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Com_Memcpy( p, buffer, size );
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p += size;
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}
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*p = '\0';
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if( OpenClipboard( NULL ) && EmptyClipboard( ) )
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SetClipboardData( CF_TEXT, memoryHandle );
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GlobalUnlock( clipMemory );
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CloseClipboard( );
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}
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}
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}
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|
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/*
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==============
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|
Sys_Dialog
|
|
|
|
Display a win32 dialog box
|
|
==============
|
|
*/
|
|
dialogResult_t Sys_Dialog( dialogType_t type, const char *message, const char *title )
|
|
{
|
|
UINT uType;
|
|
|
|
switch( type )
|
|
{
|
|
default:
|
|
case DT_INFO: uType = MB_ICONINFORMATION|MB_OK; break;
|
|
case DT_WARNING: uType = MB_ICONWARNING|MB_OK; break;
|
|
case DT_ERROR: uType = MB_ICONERROR|MB_OK; break;
|
|
case DT_YES_NO: uType = MB_ICONQUESTION|MB_YESNO; break;
|
|
case DT_OK_CANCEL: uType = MB_ICONWARNING|MB_OKCANCEL; break;
|
|
}
|
|
|
|
switch( MessageBox( NULL, message, title, uType ) )
|
|
{
|
|
default:
|
|
case IDOK: return DR_OK;
|
|
case IDCANCEL: return DR_CANCEL;
|
|
case IDYES: return DR_YES;
|
|
case IDNO: return DR_NO;
|
|
}
|
|
}
|
|
|
|
#ifndef DEDICATED
|
|
static qboolean SDL_VIDEODRIVER_externallySet = qfalse;
|
|
#endif
|
|
|
|
/*
|
|
==============
|
|
Sys_GLimpSafeInit
|
|
|
|
Windows specific "safe" GL implementation initialisation
|
|
==============
|
|
*/
|
|
void Sys_GLimpSafeInit( void )
|
|
{
|
|
#ifndef DEDICATED
|
|
if( !SDL_VIDEODRIVER_externallySet )
|
|
{
|
|
// Here, we want to let SDL decide what do to unless
|
|
// explicitly requested otherwise
|
|
_putenv( "SDL_VIDEODRIVER=" );
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_GLimpInit
|
|
|
|
Windows specific GL implementation initialisation
|
|
==============
|
|
*/
|
|
void Sys_GLimpInit( void )
|
|
{
|
|
#ifndef DEDICATED
|
|
if( !SDL_VIDEODRIVER_externallySet )
|
|
{
|
|
// It's a little bit weird having in_mouse control the
|
|
// video driver, but from ioq3's point of view they're
|
|
// virtually the same except for the mouse input anyway
|
|
if( Cvar_VariableIntegerValue( "in_mouse" ) == -1 )
|
|
{
|
|
// Use the windib SDL backend, which is closest to
|
|
// the behaviour of idq3 with in_mouse set to -1
|
|
_putenv( "SDL_VIDEODRIVER=windib" );
|
|
}
|
|
else
|
|
{
|
|
// Use the DirectX SDL backend
|
|
_putenv( "SDL_VIDEODRIVER=directx" );
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_PlatformInit
|
|
|
|
Windows specific initialisation
|
|
==============
|
|
*/
|
|
void Sys_PlatformInit( void )
|
|
{
|
|
#ifndef DEDICATED
|
|
TIMECAPS ptc;
|
|
const char *SDL_VIDEODRIVER = getenv( "SDL_VIDEODRIVER" );
|
|
#endif
|
|
|
|
Sys_SetFloatEnv();
|
|
|
|
#ifndef DEDICATED
|
|
if( SDL_VIDEODRIVER )
|
|
{
|
|
Com_Printf( "SDL_VIDEODRIVER is externally set to \"%s\", "
|
|
"in_mouse -1 will have no effect\n", SDL_VIDEODRIVER );
|
|
SDL_VIDEODRIVER_externallySet = qtrue;
|
|
}
|
|
else
|
|
SDL_VIDEODRIVER_externallySet = qfalse;
|
|
|
|
if(timeGetDevCaps(&ptc, sizeof(ptc)) == MMSYSERR_NOERROR)
|
|
{
|
|
timerResolution = ptc.wPeriodMin;
|
|
|
|
if(timerResolution > 1)
|
|
{
|
|
Com_Printf("Warning: Minimum supported timer resolution is %ums "
|
|
"on this system, recommended resolution 1ms\n", timerResolution);
|
|
}
|
|
|
|
timeBeginPeriod(timerResolution);
|
|
}
|
|
else
|
|
timerResolution = 0;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_PlatformExit
|
|
|
|
Windows specific initialisation
|
|
==============
|
|
*/
|
|
void Sys_PlatformExit( void )
|
|
{
|
|
#ifndef DEDICATED
|
|
if(timerResolution)
|
|
timeEndPeriod(timerResolution);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_SetEnv
|
|
|
|
set/unset environment variables (empty value removes it)
|
|
==============
|
|
*/
|
|
void Sys_SetEnv(const char *name, const char *value)
|
|
{
|
|
if(value)
|
|
_putenv(va("%s=%s", name, value));
|
|
else
|
|
_putenv(va("%s=", name));
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_PID
|
|
==============
|
|
*/
|
|
int Sys_PID( void )
|
|
{
|
|
return GetCurrentProcessId( );
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_PIDIsRunning
|
|
==============
|
|
*/
|
|
qboolean Sys_PIDIsRunning( int pid )
|
|
{
|
|
DWORD processes[ 1024 ];
|
|
DWORD numBytes, numProcesses;
|
|
int i;
|
|
|
|
if( !EnumProcesses( processes, sizeof( processes ), &numBytes ) )
|
|
return qfalse; // Assume it's not running
|
|
|
|
numProcesses = numBytes / sizeof( DWORD );
|
|
|
|
// Search for the pid
|
|
for( i = 0; i < numProcesses; i++ )
|
|
{
|
|
if( processes[ i ] == pid )
|
|
return qtrue;
|
|
}
|
|
|
|
return qfalse;
|
|
}
|