//-----------------------------------------------------------------------------
// Run steam main loop
//-----------------------------------------------------------------------------
int CSteamApplication::Main()
{
// Now that Steam is loaded, we can load up main libraries through steam
if ( FileSystem_SetBasePaths( m_pFileSystem ) != FS_OK )
return 0;
m_pChildAppSystemGroup->Setup( m_pFileSystem, this );
return m_pChildAppSystemGroup->Run();
}
bool FileSystem_SetGame( const char *szModDir )
{
g_pFullFileSystem->RemoveAllSearchPaths();
if ( FileSystem_SetBasePaths( g_pFullFileSystem ) != FS_OK )
return false;
CFSSearchPathsInit fsInit;
fsInit.m_pDirectoryName = szModDir;
fsInit.m_pFileSystem = g_pFullFileSystem;
return ( FileSystem_LoadSearchPaths( fsInit ) == FS_OK );
}
//-----------------------------------------------------------------------------
// Use this version in cases where you can't control the main loop and
// expect to be ticked
//-----------------------------------------------------------------------------
int CSteamApplication::Startup()
{
int nRetVal = BaseClass::Startup();
if ( GetErrorStage() != NONE )
return nRetVal;
if ( FileSystem_SetBasePaths( m_pFileSystem ) != FS_OK )
return 0;
// Now that Steam is loaded, we can load up main libraries through steam
m_pChildAppSystemGroup->Setup( m_pFileSystem, this );
return m_pChildAppSystemGroup->Startup();
}
//-----------------------------------------------------------------------------
// Mounds a particular steam cache
//-----------------------------------------------------------------------------
FSReturnCode_t FileSystem_MountContent( CFSMountContentInfo &mountContentInfo )
{
// This part is Steam-only.
if ( mountContentInfo.m_pFileSystem->IsSteam() )
{
// Find out the "extra app id". This is for tools, which want to mount a base app's filesystem
// like HL2, then mount the SDK content (tools materials and models, etc) in addition.
int nExtraAppId = -1;
if ( mountContentInfo.m_bToolsMode )
{
FSReturnCode_t ret = GetSteamExtraAppId( mountContentInfo.m_pDirectoryName, &nExtraAppId );
if ( ret != FS_OK )
return ret;
}
// Set our working directory temporarily so Steam can remember it.
// This is what Steam strips off absolute filenames like c:\program files\valve\steam\steamapps\username\sourcesdk
// to get to the relative part of the path.
char baseDir[MAX_PATH], oldWorkingDir[MAX_PATH];
if ( !FileSystem_GetBaseDir( baseDir, sizeof( baseDir ) ) )
return SetupFileSystemError( false, FS_INVALID_PARAMETERS, "FileSystem_GetBaseDir failed." );
Q_getwd( oldWorkingDir, sizeof( oldWorkingDir ) );
_chdir( baseDir );
// Filesystem_tools needs to add dependencies in here beforehand.
FilesystemMountRetval_t retVal = mountContentInfo.m_pFileSystem->MountSteamContent( nExtraAppId );
_chdir( oldWorkingDir );
if ( retVal != FILESYSTEM_MOUNT_OK )
return SetupFileSystemError( true, FS_UNABLE_TO_INIT, "Unable to mount Steam content in the file system" );
}
return FileSystem_SetBasePaths( mountContentInfo.m_pFileSystem );
}
