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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| #region Copyright & License Information | ||
| /* | ||
| * Copyright 2007-2022 The OpenRA Developers (see AUTHORS) | ||
| * This file is part of OpenRA, which is free software. It is made | ||
| * available to you under the terms of the GNU General Public License | ||
| * as published by the Free Software Foundation, either version 3 of | ||
| * the License, or (at your option) any later version. For more | ||
| * information, see COPYING. | ||
| */ | ||
| #endregion | ||
|
|
||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using OpenRA.FileSystem; | ||
|
|
||
| namespace OpenRA | ||
| { | ||
| public sealed class MapDirectoryTracker : IDisposable | ||
| { | ||
| readonly FileSystemWatcher watcher; | ||
| readonly MapGrid mapGrid; | ||
| readonly IReadOnlyPackage package; | ||
| readonly MapClassification classification; | ||
|
|
||
| enum MapAction { Add, Delete, Update } | ||
| readonly Dictionary<string, MapAction> mapActionQueue = new Dictionary<string, MapAction>(); | ||
|
|
||
| bool dirty = false; | ||
|
|
||
| public MapDirectoryTracker(MapGrid mapGrid, IReadOnlyPackage package, MapClassification classification) | ||
| { | ||
| this.mapGrid = mapGrid; | ||
| this.package = package; | ||
| this.classification = classification; | ||
|
|
||
| watcher = new FileSystemWatcher(package.Name); | ||
| watcher.Changed += (object sender, FileSystemEventArgs e) => AddMapAction(MapAction.Update, e.FullPath); | ||
| watcher.Created += (object sender, FileSystemEventArgs e) => AddMapAction(MapAction.Add, e.FullPath); | ||
| watcher.Deleted += (object sender, FileSystemEventArgs e) => AddMapAction(MapAction.Delete, e.FullPath); | ||
| watcher.Renamed += (object sender, RenamedEventArgs e) => AddMapAction(MapAction.Add, e.FullPath, e.OldFullPath); | ||
|
|
||
| watcher.IncludeSubdirectories = true; | ||
| watcher.EnableRaisingEvents = true; | ||
| } | ||
|
|
||
| public void Dispose() | ||
| { | ||
| watcher.Dispose(); | ||
| } | ||
|
|
||
| void AddMapAction(MapAction mapAction, string fullpath, string oldFullPath = null) | ||
| { | ||
| lock (mapActionQueue) | ||
| { | ||
| dirty = true; | ||
|
|
||
| // if path is not root, update map instead | ||
| var path = RemoveSubDirs(fullpath); | ||
| if (fullpath == path) | ||
| mapActionQueue[path] = mapAction; | ||
| else | ||
| mapActionQueue[path] = MapAction.Update; | ||
|
|
||
| // called when file has been renamed / changed location | ||
| if (oldFullPath != null) | ||
| { | ||
| var oldpath = RemoveSubDirs(oldFullPath); | ||
| if (oldpath != null) | ||
| if (oldFullPath == oldpath) | ||
| mapActionQueue[oldpath] = MapAction.Delete; | ||
| else | ||
| mapActionQueue[oldpath] = MapAction.Update; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| public void UpdateMaps(MapCache mapcache) | ||
| { | ||
| lock (mapActionQueue) | ||
| { | ||
| if (!dirty) | ||
| return; | ||
|
|
||
| dirty = false; | ||
| string lastUid = null; | ||
| foreach (var mapAction in mapActionQueue) | ||
| { | ||
| var map = mapcache.FirstOrDefault(x => x.Package?.Name == mapAction.Key && x.Status == MapStatus.Available); | ||
| if (map != null) | ||
| { | ||
| if (mapAction.Value == MapAction.Delete) | ||
| { | ||
| Console.WriteLine("Delete " + mapAction.Key); | ||
| map.Invalidate(); | ||
| } | ||
| else | ||
| { | ||
| Console.WriteLine("Update " + mapAction.Key); | ||
| map.Invalidate(); | ||
| lastUid = mapcache.LoadMap(mapAction.Key.Replace(package.Name + Path.DirectorySeparatorChar, ""), package, classification, mapGrid); | ||
|
|
||
| // Provide game lobby with information about our latest update | ||
| if (lastUid != null && map.Uid != lastUid) | ||
| mapcache.CallMapUpdated(map.Uid, lastUid); | ||
| } | ||
| } | ||
| else | ||
| { | ||
| if (mapAction.Value != MapAction.Delete) | ||
| { | ||
| Console.WriteLine("Add " + mapAction.Key); | ||
| lastUid = mapcache.LoadMap(mapAction.Key.Replace(package?.Name + Path.DirectorySeparatorChar, ""), package, classification, mapGrid); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| mapActionQueue.Clear(); | ||
| mapcache.LastUpdatedUid = lastUid ?? mapcache.LastUpdatedUid; | ||
| } | ||
| } | ||
|
|
||
| string RemoveSubDirs(string path) | ||
| { | ||
| var endPath = path.Replace(package.Name + Path.DirectorySeparatorChar, ""); | ||
|
|
||
| // if file moved from out outside directory, ignore it | ||
| if (path == endPath) | ||
| return null; | ||
|
|
||
| return package.Name + Path.DirectorySeparatorChar + endPath.Split(Path.DirectorySeparatorChar)[0]; | ||
| } | ||
| } | ||
| } |
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