public void Undo()
{
if (_currentIndex <= 0)
{
return;
}
ErrorLogging.TelemetryClient?.TrackEvent(nameof(Undo));
string undoFileName = string.Format(UndoFile, _currentIndex - 1); // load previous undo file
string redoFileName = string.Format(RedoFile, _currentIndex); // create redo file at current index
UndoBuffer redo = new UndoBuffer(redoFileName);
Debug.WriteLine($"Opening undo file for undo: {Path.GetFileNameWithoutExtension(undoFileName)}");
using (var stream = new FileStream(undoFileName, FileMode.Open))
using (BinaryReader br = new BinaryReader(stream, System.Text.Encoding.UTF8, false))
{
foreach (var undoTile in UndoBuffer.ReadUndoTilesFromStream(br))
{
Vector2Int32 pixel = undoTile.Location;
SaveTileToBuffer(redo, pixel.X, pixel.Y, true);
_wvm.CurrentWorld.Tiles[pixel.X, pixel.Y] = (Tile)undoTile.Tile;
_wvm.UpdateRenderPixel(pixel);
/* Heathtech */
BlendRules.ResetUVCache(_wvm, pixel.X, pixel.Y, 1, 1);
}
redo.Close();
redo.Dispose();
redo = null;
foreach (var chest in World.LoadChestData(br))
{
_wvm.CurrentWorld.Chests.Add(chest);
}
foreach (var sign in World.LoadSignData(br))
{
_wvm.CurrentWorld.Signs.Add(sign);
}
foreach (var te in World.LoadTileEntityData(br, World.CompatibleVersion))
{
_wvm.CurrentWorld.TileEntities.Add(te);
}
}
_currentIndex--; // move index back one, create a new buffer
CreateBuffer();
//_wvm.CurrentWorld.UpgradeLegacyTileEntities();
OnUndid(this, EventArgs.Empty);
}
protected virtual void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing)
{
if (_buffer != null)
{
_buffer.Dispose();
}
_buffer = null;
}
// Free your own state (unmanaged objects).
// Set large fields to null.
CleanupOldUndoFiles(false);
disposed = true;
}
}
private void CreateBuffer()
{
_buffer?.Dispose();
_buffer = null;
Buffer = new UndoBuffer(GetUndoFileName());
}
public void Undo()
{
if (_currentIndex <= 0)
{
return;
}
_currentIndex--;
UndoBuffer redo = new UndoBuffer(string.Format(RedoFile, _currentIndex));
using (var stream = new FileStream(string.Format(UndoFile, _currentIndex), FileMode.Open))
using (BinaryReader br = new BinaryReader(stream))
{
foreach (var undoTile in UndoBuffer.ReadUndoTilesFromStream(br))
{
var curTile = (Tile)_wvm.CurrentWorld.Tiles[undoTile.Location.X, undoTile.Location.Y];
redo.Add(undoTile.Location, curTile);
if (Tile.IsChest(curTile.Type))
{
var curchest = _wvm.CurrentWorld.GetChestAtTile(undoTile.Location.X, undoTile.Location.Y);
if (curchest != null)
{
_wvm.CurrentWorld.Chests.Remove(curchest);
var chest = curchest.Copy();
redo.Chests.Add(chest);
}
}
if (Tile.IsSign(curTile.Type))
{
var cursign = _wvm.CurrentWorld.GetSignAtTile(undoTile.Location.X, undoTile.Location.Y);
if (cursign != null)
{
_wvm.CurrentWorld.Signs.Remove(cursign);
var sign = cursign.Copy();
redo.Signs.Add(sign);
}
}
if (Tile.IsTileEntity(curTile.Type))
{
var curTe = _wvm.CurrentWorld.GetTileEntityAtTile(undoTile.Location.X, undoTile.Location.Y);
if (curTe != null)
{
_wvm.CurrentWorld.TileEntities.Remove(curTe);
var te = curTe.Copy();
redo.TileEntities.Add(te);
}
}
_wvm.CurrentWorld.Tiles[undoTile.Location.X, undoTile.Location.Y] = (Tile)undoTile.Tile;
_wvm.UpdateRenderPixel(undoTile.Location);
/* Heathtech */
BlendRules.ResetUVCache(_wvm, undoTile.Location.X, undoTile.Location.Y, 1, 1);
}
redo.Close();
redo.Dispose();
redo = null;
foreach (var chest in World.LoadChestData(br))
{
_wvm.CurrentWorld.Chests.Add(chest);
}
foreach (var sign in World.LoadSignData(br))
{
_wvm.CurrentWorld.Signs.Add(sign);
}
}
_wvm.CurrentWorld.UpgradeLegacyTileEntities();
OnUndid(this, EventArgs.Empty);
}