protected override void Save(UndoCache buffer, string path)
{
using (FileStream fs = File.Create(path)) {
BinaryWriter w = new BinaryWriter(fs);
long entriesPos = 0;
ChunkHeader last = default(ChunkHeader);
UndoCacheNode node = buffer.Head;
while (node != null)
{
List <UndoCacheItem> items = node.Items;
for (int i = 0; i < items.Count; i++)
{
UndoCacheItem uP = items[i];
DateTime time = node.BaseTime.AddSeconds(uP.TimeDelta);
int timeDiff = (int)(time - last.BaseTime).TotalSeconds;
if (last.LevelName != node.MapName || timeDiff > (65535 >> 2) || last.Entries == ushort.MaxValue)
{
WriteChunkEntries(w, last.Entries, entriesPos);
last = WriteEmptyChunk(w, node, time, ref entriesPos);
}
int flags = (uP.Flags & 0xC000) | timeDiff;
w.Write((ushort)flags); w.Write(uP.Index);
w.Write(uP.Type); w.Write(uP.NewType);
last.Entries++;
}
if (last.Entries > 0)
{
WriteChunkEntries(w, last.Entries, entriesPos);
}
node = node.Next;
}
}
}
/// <summary> Saves the undo data for the given player to disc. </summary>
/// <remarks> Clears the player's in-memory undo buffer on success. </remarks>
public static void SaveUndo(Player p)
{
if (p == null || p.UndoBuffer.Count < 1)
{
return;
}
CreateDefaultDirectories();
if (Directory.GetDirectories(undoDir).Length >= Server.totalUndo)
{
Directory.Delete(prevUndoDir, true);
Directory.Move(undoDir, prevUndoDir);
Directory.CreateDirectory(undoDir);
}
string playerDir = Path.Combine(undoDir, p.name.ToLower());
if (!Directory.Exists(playerDir))
{
Directory.CreateDirectory(playerDir);
}
int numFiles = Directory.GetFiles(playerDir).Length;
string path = Path.Combine(playerDir, numFiles + NewFormat.Ext);
UndoCache cache = p.UndoBuffer;
using (IDisposable locker = cache.ClearLock.AccquireReadLock()) {
NewFormat.Save(cache, path);
}
using (IDisposable locker = cache.ClearLock.AccquireWriteLock()) {
lock (cache.AddLock)
cache.Clear();
}
}
protected override void Save(UndoCache buffer, string path)
{
throw new NotSupportedException("UndoFileOnline is read only.");
}
public UndoFormatOnline(UndoCache cache)
{
this.cache = cache;
}
protected override void Save(UndoCache buffer, string path)
{
throw new NotSupportedException("Non-optimised binary undo files have been deprecated");
}
protected abstract void Save(UndoCache buffer, string path);
