baldur's gate 3 corrupted saves monitoring

bg3savesMonitor.ps1

# simple script that monitors new saves in the Baldur's Gate 3 folder and makes a sound if the save is less than 25 megabytes and most likely corrupted (can be configured in the file). Relevant for the third act

$SavesPath = "$Env:USERPROFILE\AppData\Local\Larian Studios\Baldur's Gate 3\PlayerProfiles\Public\Savegames\Story\"
# minimum size for the save file. If the save size is smaller than this value, the script will play a sound
$MinimumSaveSizeInMegabytes = 25 # the save size depends on the game's act. In the act 1 saves are less than 20 megabytes
$MinimumSaveSizeInBytes = $MinimumSaveSizeInMegabytes * 1000 * 1000

# specify which files you want to monitor
$FileFilter = '*.lsv'  

# specify whether you want to monitor subfolders as well:
$IncludeSubfolders = $true

# specify the file or folder properties you want to monitor:
$AttributeFilter = [IO.NotifyFilters]::FileName

# specify the type of changes you want to monitor:
$ChangeTypes = [System.IO.WatcherChangeTypes]::Created

# specify the maximum time (in milliseconds) you want to wait for changes:
$Timeout = 1000

# define a function that gets called for every change:
function Invoke-SomeAction
{
  param
  (
    [Parameter(Mandatory)]
    [System.IO.WaitForChangedResult]
    $ChangeInformation
  )
  
  $changedFilePath = $SavesPath + $ChangeInformation.Name
  $size = (Get-Item $changedFilePath).length
  if ($size -lt $MinimumSaveSizeInBytes) 
  {
    Write-Warning ("Save file with name " + $ChangeInformation.Name + " has size smaller than " + $MinimumSaveSizeInMegabytes + "MB. Maybe it's broken!")

    for (($i = 0); $i -lt 3; $i++)
    {
        [System.Media.SystemSounds]::Exclamation.Play()
        Start-Sleep -m 500
    }
  }
}

try
{
  Write-Output "Monitoring $SavesPath started. Use Ctrl+C to stop"
  
  # create a filesystemwatcher object
  $watcher = New-Object -TypeName IO.FileSystemWatcher -ArgumentList $SavesPath, $FileFilter -Property @{
    IncludeSubdirectories = $IncludeSubfolders
    NotifyFilter = $AttributeFilter
  }

  # start monitoring manually in a loop:
  do
  {
    $result = $watcher.WaitForChanged($ChangeTypes, $Timeout)
    if ($result.TimedOut) { continue }
    
    Invoke-SomeAction -Change $result
    # the loop runs forever until you hit CTRL+C    
  } while ($true)
}
finally
{
  # release the watcher and free its memory:
  $watcher.Dispose()
  Write-Output 'Script stopped'
}