1HEADmaster

1 files changed, 145 insertions, 0 deletions

diff --git a/utils/vrad_launcher/vrad_launcher.cpp b/utils/vrad_launcher/vrad_launcher.cpp
new file mode 100644
index 0000000..a4d3183
--- /dev/null
+++ b/utils/vrad_launcher/vrad_launcher.cpp
@@ -0,0 +1,145 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// vrad_launcher.cpp : Defines the entry point for the console application.
+//
+
+#include "stdafx.h"
+#include <direct.h>
+#include "tier1/strtools.h"
+#include "tier0/icommandline.h"
+
+
+char* GetLastErrorString()
+{
+	static char err[2048];
+	
+	LPVOID lpMsgBuf;
+	FormatMessage( 
+		FORMAT_MESSAGE_ALLOCATE_BUFFER | 
+		FORMAT_MESSAGE_FROM_SYSTEM | 
+		FORMAT_MESSAGE_IGNORE_INSERTS,
+		NULL,
+		GetLastError(),
+		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
+		(LPTSTR) &lpMsgBuf,
+		0,
+		NULL 
+	);
+
+	strncpy( err, (char*)lpMsgBuf, sizeof( err ) );
+	LocalFree( lpMsgBuf );
+
+	err[ sizeof( err ) - 1 ] = 0;
+
+	return err;
+}
+
+
+void MakeFullPath( const char *pIn, char *pOut, int outLen )
+{
+	if ( pIn[0] == '/' || pIn[0] == '\\' || pIn[1] == ':' )
+	{
+		// It's already a full path.
+		Q_strncpy( pOut, pIn, outLen );
+	}
+	else
+	{
+		_getcwd( pOut, outLen );
+		Q_strncat( pOut, "\\", outLen, COPY_ALL_CHARACTERS );
+		Q_strncat( pOut, pIn, outLen, COPY_ALL_CHARACTERS );
+	}
+}
+
+int main(int argc, char* argv[])
+{
+	char dllName[512];
+
+	CommandLine()->CreateCmdLine( argc, argv );
+
+	// check whether they used the -both switch. If this is specified, vrad will be run
+	// twice, once with -hdr and once without
+	int both_arg=0;
+	for(int arg=1;arg<argc;arg++)
+		if (Q_stricmp(argv[arg],"-both")==0)
+		{
+			both_arg=arg;
+		}
+
+	char fullPath[512], redirectFilename[512];
+	MakeFullPath( argv[0], fullPath, sizeof( fullPath ) );
+	Q_StripFilename( fullPath );
+	Q_snprintf( redirectFilename, sizeof( redirectFilename ), "%s\\%s", fullPath, "vrad.redirect" );
+
+	// First, look for vrad.redirect and load the dll specified in there if possible.
+	CSysModule *pModule = NULL;
+	FILE *fp = fopen( redirectFilename, "rt" );
+	if ( fp )
+	{
+		if ( fgets( dllName, sizeof( dllName ), fp ) )
+		{
+			char *pEnd = strstr( dllName, "\n" );
+			if ( pEnd )
+				*pEnd = 0;
+
+			pModule = Sys_LoadModule( dllName );
+			if ( pModule )
+				printf( "Loaded alternate VRAD DLL (%s) specified in vrad.redirect.\n", dllName );
+			else
+				printf( "Can't find '%s' specified in vrad.redirect.\n", dllName );
+		}
+		
+		fclose( fp );
+	}
+
+	int returnValue = 0;
+	
+	for(int mode=0;mode<2;mode++)
+	{
+		if (mode && (! both_arg))
+			continue;
+		
+
+		// If it didn't load the module above, then use the 
+		if ( !pModule )
+		{
+			strcpy( dllName, "vrad_dll.dll" );
+			pModule = Sys_LoadModule( dllName );
+		}
+		
+		if( !pModule )
+		{
+			printf( "vrad_launcher error: can't load %s\n%s", dllName, GetLastErrorString() );
+			return 1;
+		}
+		
+		CreateInterfaceFn fn = Sys_GetFactory( pModule );
+		if( !fn )
+		{
+			printf( "vrad_launcher error: can't get factory from vrad_dll.dll\n" );
+			Sys_UnloadModule( pModule );
+			return 2;
+		}
+		
+		int retCode = 0;
+		IVRadDLL *pDLL = (IVRadDLL*)fn( VRAD_INTERFACE_VERSION, &retCode );
+		if( !pDLL )
+		{
+			printf( "vrad_launcher error: can't get IVRadDLL interface from vrad_dll.dll\n" );
+			Sys_UnloadModule( pModule );
+			return 3;
+		}
+		
+		if (both_arg)
+			strcpy(argv[both_arg],(mode)?"-hdr":"-ldr");
+		returnValue = pDLL->main( argc, argv );
+		Sys_UnloadModule( pModule );
+		pModule=0;
+	}
+	return returnValue;
+}
+