protected override void SaveUndoData(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.Tail;
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.Prev;
}
}
}
protected abstract void SaveUndoData(UndoCache buffer, string path);
protected override void SaveUndoData(UndoCache buffer, string path)
{
throw new NotSupportedException("Non-optimised binary undo files have been deprecated");
}
