//-----------------------------------------------------------------------------
// Purpose: Return the directory where this .exe is running from
// Output : char
//-----------------------------------------------------------------------------
char *UTIL_GetBaseDir( void )
{
static char basedir[ MAX_PATH ];
int j;
char *pBuffer = NULL;
basedir[ 0 ] = 0;
if ( Sys_GetExecutableName( basedir ) )
{
pBuffer = strrchr( basedir,'\\' );
if ( *pBuffer )
{
*(pBuffer+1) = '\0';
}
j = strlen( basedir );
if (j > 0)
{
if ( ( basedir[ j-1 ] == '\\' ) ||
( basedir[ j-1 ] == '/' ) )
{
basedir[ j-1 ] = 0;
}
}
}
return basedir;
}
bool FileSystem_GetExecutableDir( char *exedir, int exeDirLen )
{
exedir[0] = 0;
if ( s_bUseVProjectBinDir )
{
const char *pProject = GetVProjectCmdLineValue();
if ( !pProject )
{
// Check their registry.
pProject = getenv( GAMEDIR_TOKEN );
}
if ( pProject )
{
Q_snprintf( exedir, exeDirLen, "%s%c..%cbin", pProject, CORRECT_PATH_SEPARATOR, CORRECT_PATH_SEPARATOR );
return true;
}
return false;
}
if ( !Sys_GetExecutableName( exedir, exeDirLen ) )
return false;
Q_StripFilename( exedir );
if ( IsX360() )
{
// The 360 can have its exe and dlls reside on different volumes
// use the optional basedir as the exe dir
if ( CommandLine()->FindParm( "-basedir" ) )
{
strcpy( exedir, CommandLine()->ParmValue( "-basedir", "" ) );
}
}
Q_FixSlashes( exedir );
// Return the bin directory as the executable dir if it's not in there
// because that's really where we're running from...
char ext[MAX_PATH];
Q_StrRight( exedir, 4, ext, sizeof( ext ) );
if ( ext[0] != CORRECT_PATH_SEPARATOR || Q_stricmp( ext+1, "bin" ) != 0 )
{
Q_strncat( exedir, CORRECT_PATH_SEPARATOR_S, exeDirLen, COPY_ALL_CHARACTERS );
Q_strncat( exedir, "bin", exeDirLen, COPY_ALL_CHARACTERS );
Q_FixSlashes( exedir );
}
return true;
}
//-----------------------------------------------------------------------------
// Adds the platform folder to the search path.
//-----------------------------------------------------------------------------
void FileSystem_AddSearchPath_Platform( IFileSystem *pFileSystem, const char *szGameInfoPath )
{
char platform[MAX_PATH];
if ( pFileSystem->IsSteam() )
{
// Steam doesn't support relative paths
Q_strncpy( platform, "platform", MAX_PATH );
}
else
{
if ( !Sys_GetExecutableName( platform, sizeof( platform ) ) )
{
// fall back to old method if we can't get the executable name
Q_strncpy( platform, szGameInfoPath, MAX_PATH );
Q_StripTrailingSlash( platform );
Q_strncat( platform, "/../platform", MAX_PATH, MAX_PATH );
}
else
{
Q_StripFilename( platform );
Q_StripTrailingSlash( platform );
Q_FixSlashes( platform );
// remove bin folder if necessary
int nLen = Q_strlen( platform );
if ( ( nLen > 4 )
&& platform[ nLen - 4 ] == CORRECT_PATH_SEPARATOR
&& !Q_stricmp( "bin", platform + ( nLen - 3 ) )
)
{
Q_StripLastDir( platform, sizeof( platform ) );
Q_StripTrailingSlash( platform );
}
// go into platform folder
Q_strncat( platform, "/platform", MAX_PATH, MAX_PATH );
}
}
pFileSystem->AddSearchPath( platform, "PLATFORM" );
}
int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
HANDLE hObject = NULL;
BOOL (*IsDebuggerPresent)(void) = (BOOL (*)(void))GetProcAddress(GetModuleHandle("kernel32.dll"), "IsDebuggerPresent");
if (!IsDebuggerPresent())
{
hObject = CreateMutex(NULL, FALSE, "ValveHalfLifeLauncherMutex");
DWORD dwStatus = WaitForSingleObject(hObject, 0);
if (dwStatus && dwStatus != WAIT_ABANDONED)
{
MessageBox(NULL, "Could not launch game.\nOnly one instance of this game can be run at a time.", "Error", MB_ICONERROR);
return 0;
}
}
WSAData WSAData;
WSAStartup(2, &WSAData);
registry->Init();
CommandLine()->CreateCmdLine(GetCommandLine());
CommandLine()->AppendParm("-nomaster", NULL);
char szFileName[256];
Sys_GetExecutableName(szFileName, sizeof(szFileName));
char *szExeName = strrchr(szFileName, '\\') + 1;
if (stricmp(szExeName, "hl.exe") && CommandLine()->CheckParm("-game") == NULL)
{
szExeName[strlen(szExeName) - 4] = '\0';
CommandLine()->AppendParm("-game", szExeName);
}
const char *_szGameName;
static char szGameName[32];
const char *szGameStr = CommandLine()->CheckParm("-game", &_szGameName);
strcpy(szGameName, _szGameName);
if (szGameStr && !strnicmp(&szGameStr[6], "czero", 5))
CommandLine()->AppendParm("-forcevalve", NULL);
if (registry->ReadInt("CrashInitializingVideoMode", FALSE))
{
registry->WriteInt("CrashInitializingVideoMode", FALSE);
if (strcmp(registry->ReadString("EngineDLL", "hw.dll"), "hw.dll"))
{
if (registry->ReadInt("EngineD3D", FALSE))
{
registry->WriteInt("EngineD3D", FALSE);
if (MessageBox(NULL, "The game has detected that the previous attempt to start in D3D video mode failed.\nThe game will now run attempt to run in openGL mode.", "Video mode change failure", MB_OKCANCEL | MB_ICONWARNING) != IDOK)
return 0;
}
else
{
registry->WriteString("EngineDLL", "sw.dll");
if (MessageBox(NULL, "The game has detected that the previous attempt to start in openGL video mode failed.\nThe game will now run in software mode.", "Video mode change failure", MB_OKCANCEL | MB_ICONWARNING) != IDOK)
return 0;
}
registry->WriteInt("ScreenWidth", 640);
registry->WriteInt("ScreenHeight", 480);
registry->WriteInt("ScreenBPP", 16);
}
}
while (1)
{
HINTERFACEMODULE hFileSystem = LoadFilesystemModule();
if (!hFileSystem)
break;
MH_Init(szGameName);
CreateInterfaceFn fsCreateInterface = (CreateInterfaceFn)Sys_GetFactory(hFileSystem);
g_pFileSystem = (IFileSystem *)fsCreateInterface(FILESYSTEM_INTERFACE_VERSION, NULL);
g_pFileSystem->Mount();
g_pFileSystem->AddSearchPath(Sys_GetLongPathName(), "ROOT");
static char szNewCommandParams[2048];
const char *pszEngineDLL;
int iResult = ENGINE_RESULT_NONE;
szNewCommandParams[0] = 0;
SetEngineDLL(pszEngineDLL);
g_blobfootprintClient.m_hDll = NULL;
IEngine *engineAPI = NULL;
HINTERFACEMODULE hEngine;
bool bUseBlobDLL = false;
if (FIsBlob(pszEngineDLL))
{
Sys_CloseDEP();
SetupExceptHandler3();
NLoadBlobFile(pszEngineDLL, &g_blobfootprintClient, (void **)&engineAPI);
bUseBlobDLL = true;
}
else
{
hEngine = Sys_LoadModule(pszEngineDLL);
if (!hEngine)
{
static char msg[512];
wsprintf(msg, "Could not load %s.\nPlease try again at a later time.", pszEngineDLL);
MessageBox(NULL, msg, "Fatal Error", MB_ICONERROR);
break;
}
CreateInterfaceFn engineCreateInterface = (CreateInterfaceFn)Sys_GetFactory(hEngine);
engineAPI = (IEngine *)engineCreateInterface(VENGINE_LAUNCHER_API_VERSION, NULL);
if (!engineCreateInterface || !engineAPI)
Sys_FreeModule(hEngine);
}
if (engineAPI)
{
MH_LoadEngine(bUseBlobDLL ? NULL : (HMODULE)hEngine);
iResult = engineAPI->Run(hInstance, Sys_GetLongPathName(), CommandLine()->GetCmdLine(), szNewCommandParams, Sys_GetFactoryThis(), Sys_GetFactory(hFileSystem));
MH_ExitGame(iResult);
if (bUseBlobDLL)
FreeBlob(&g_blobfootprintClient);
else
Sys_FreeModule(hEngine);
}
if (iResult == ENGINE_RESULT_NONE || iResult > ENGINE_RESULT_UNSUPPORTEDVIDEO)
break;
bool bContinue;
switch (iResult)
{
case ENGINE_RESULT_RESTART:
{
bContinue = true;
break;
}
case ENGINE_RESULT_UNSUPPORTEDVIDEO:
{
bContinue = OnVideoModeFailed();
break;
}
}
CommandLine()->RemoveParm("-sw");
CommandLine()->RemoveParm("-startwindowed");
CommandLine()->RemoveParm("-windowed");
CommandLine()->RemoveParm("-window");
CommandLine()->RemoveParm("-full");
CommandLine()->RemoveParm("-fullscreen");
CommandLine()->RemoveParm("-soft");
CommandLine()->RemoveParm("-software");
CommandLine()->RemoveParm("-gl");
CommandLine()->RemoveParm("-d3d");
CommandLine()->RemoveParm("-w");
CommandLine()->RemoveParm("-width");
CommandLine()->RemoveParm("-h");
CommandLine()->RemoveParm("-height");
CommandLine()->RemoveParm("-novid");
if (strstr(szNewCommandParams, "-game"))
CommandLine()->RemoveParm("-game");
if (strstr(szNewCommandParams, "+load"))
CommandLine()->RemoveParm("+load");
CommandLine()->AppendParm(szNewCommandParams, NULL);
g_pFileSystem->Unmount();
Sys_FreeModule(hFileSystem);
MH_Shutdown();
if (!bContinue)
break;
}
registry->Shutdown();
if (hObject)
{
ReleaseMutex(hObject);
CloseHandle(hObject);
}
WSACleanup();
MH_Shutdown();
TerminateProcess(GetCurrentProcess(), 1);
return 1;
}
