P3D-Legacy/P3D/Debug/DebugFileWatcher.vb

87 lines
3.3 KiB
VB.net

''' <summary>
''' This class watches the maps and scripts folders of the project to automatically
''' copy changed files on map reloads to the bin directory.
''' </summary>
Public Class DebugFileWatcher
Private Shared _changedFiles As List(Of String)
Private Shared _watcher As FileSystemWatcher
Private Shared _isWatching As Boolean = False
Shared Sub New()
_changedFiles = New List(Of String)()
End Sub
Public Shared Sub TriggerReload()
' copy all changed files
SyncLock _changedFiles
Dim projectPath = GetProjectPath()
Dim targetPath = AppDomain.CurrentDomain.BaseDirectory
For Each changedFile In _changedFiles
Dim relativeFile = changedFile.Remove(0, projectPath.Length + 1)
If File.Exists(relativeFile) Then
Dim targetFile = Path.Combine(targetPath, relativeFile)
File.Copy(changedFile, targetFile, True)
End If
Next
' clear the changed files afterwards
_changedFiles.Clear()
End SyncLock
End Sub
Private Shared Function GetProjectPath() As String
Return New DirectoryInfo(AppDomain.CurrentDomain.BaseDirectory).Parent.Parent.FullName '' Remove when making builds for others.
'Return New DirectoryInfo(AppDomain.CurrentDomain.BaseDirectory).FullName ''Use this one instead in such case.
End Function
Public Shared Sub StartWatching()
If Not _isWatching Then
_isWatching = True
Dim projectPath = GetProjectPath()
Dim contentPath = Path.Combine(projectPath, "Content")
_watcher = New FileSystemWatcher With {
.Path = contentPath,
.NotifyFilter = NotifyFilters.LastWrite Or NotifyFilters.LastAccess,
.IncludeSubdirectories = True
}
AddHandler _watcher.Changed, AddressOf OnChanged
_watcher.EnableRaisingEvents = True
End If
End Sub
Private Shared Sub OnChanged(source As Object, e As FileSystemEventArgs)
SyncLock _changedFiles
Dim file = e.FullPath
' if files are edited with certain programs, FileSystemWatcher freaks out.
' it replaces the filename with some random sequence of chars.
If IO.File.Exists(file) Then
If Not _changedFiles.Contains(file) Then
Logger.Debug("File changed: " + file)
_changedFiles.Add(file)
End If
Else
' Distinct trait of these changes are that the filename ends with a tilde.
' only thing that can be done is watch the entire folder instead of just a single file...
If file.EndsWith("~") Then
Dim dir = Path.GetDirectoryName(file)
Logger.Debug("Single file can't be watched. Watch folder """ + dir + """ instead.")
For Each dirFile In Directory.GetFiles(dir)
If Not _changedFiles.Contains(dirFile) Then
Logger.Debug("File changed: " + dirFile)
_changedFiles.Add(dirFile)
End If
Next
End If
End If
End SyncLock
End Sub
End Class