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145 lines
3.2 KiB
145 lines
3.2 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
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// |
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// Purpose: |
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// |
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// $NoKeywords: $ |
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// |
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//=============================================================================// |
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// vrad_launcher.cpp : Defines the entry point for the console application. |
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// |
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#include "stdafx.h" |
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#include <direct.h> |
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#include "tier1/strtools.h" |
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#include "tier0/icommandline.h" |
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char* GetLastErrorString() |
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{ |
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static char err[2048]; |
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LPVOID lpMsgBuf; |
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FormatMessage( |
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FORMAT_MESSAGE_ALLOCATE_BUFFER | |
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FORMAT_MESSAGE_FROM_SYSTEM | |
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FORMAT_MESSAGE_IGNORE_INSERTS, |
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NULL, |
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GetLastError(), |
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language |
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(LPTSTR) &lpMsgBuf, |
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0, |
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NULL |
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); |
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strncpy( err, (char*)lpMsgBuf, sizeof( err ) ); |
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LocalFree( lpMsgBuf ); |
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err[ sizeof( err ) - 1 ] = 0; |
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return err; |
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} |
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void MakeFullPath( const char *pIn, char *pOut, int outLen ) |
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{ |
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if ( pIn[0] == '/' || pIn[0] == '\\' || pIn[1] == ':' ) |
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{ |
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// It's already a full path. |
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Q_strncpy( pOut, pIn, outLen ); |
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} |
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else |
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{ |
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_getcwd( pOut, outLen ); |
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Q_strncat( pOut, "\\", outLen, COPY_ALL_CHARACTERS ); |
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Q_strncat( pOut, pIn, outLen, COPY_ALL_CHARACTERS ); |
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} |
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} |
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int main(int argc, char* argv[]) |
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{ |
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char dllName[512]; |
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CommandLine()->CreateCmdLine( argc, argv ); |
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// check whether they used the -both switch. If this is specified, vrad will be run |
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// twice, once with -hdr and once without |
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int both_arg=0; |
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for(int arg=1;arg<argc;arg++) |
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if (Q_stricmp(argv[arg],"-both")==0) |
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{ |
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both_arg=arg; |
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} |
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char fullPath[512], redirectFilename[512]; |
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MakeFullPath( argv[0], fullPath, sizeof( fullPath ) ); |
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Q_StripFilename( fullPath ); |
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Q_snprintf( redirectFilename, sizeof( redirectFilename ), "%s\\%s", fullPath, "vrad.redirect" ); |
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// First, look for vrad.redirect and load the dll specified in there if possible. |
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CSysModule *pModule = NULL; |
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FILE *fp = fopen( redirectFilename, "rt" ); |
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if ( fp ) |
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{ |
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if ( fgets( dllName, sizeof( dllName ), fp ) ) |
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{ |
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char *pEnd = strstr( dllName, "\n" ); |
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if ( pEnd ) |
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*pEnd = 0; |
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pModule = Sys_LoadModule( dllName ); |
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if ( pModule ) |
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printf( "Loaded alternate VRAD DLL (%s) specified in vrad.redirect.\n", dllName ); |
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else |
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printf( "Can't find '%s' specified in vrad.redirect.\n", dllName ); |
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} |
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fclose( fp ); |
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} |
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int returnValue = 0; |
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for(int mode=0;mode<2;mode++) |
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{ |
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if (mode && (! both_arg)) |
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continue; |
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// If it didn't load the module above, then use the |
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if ( !pModule ) |
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{ |
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strcpy( dllName, "vrad_dll.dll" ); |
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pModule = Sys_LoadModule( dllName ); |
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} |
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if( !pModule ) |
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{ |
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printf( "vrad_launcher error: can't load %s\n%s", dllName, GetLastErrorString() ); |
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return 1; |
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} |
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CreateInterfaceFn fn = Sys_GetFactory( pModule ); |
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if( !fn ) |
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{ |
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printf( "vrad_launcher error: can't get factory from vrad_dll.dll\n" ); |
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Sys_UnloadModule( pModule ); |
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return 2; |
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} |
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int retCode = 0; |
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IVRadDLL *pDLL = (IVRadDLL*)fn( VRAD_INTERFACE_VERSION, &retCode ); |
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if( !pDLL ) |
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{ |
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printf( "vrad_launcher error: can't get IVRadDLL interface from vrad_dll.dll\n" ); |
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Sys_UnloadModule( pModule ); |
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return 3; |
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} |
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if (both_arg) |
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strcpy(argv[both_arg],(mode)?"-hdr":"-ldr"); |
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returnValue = pDLL->main( argc, argv ); |
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Sys_UnloadModule( pModule ); |
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pModule=0; |
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} |
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return returnValue; |
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} |
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