public void Undo()
{
if (_currentIndex <= 0)
{
return;
}
_currentIndex--;
var buffer = UndoBuffer.Read(string.Format(UndoFile, _currentIndex));
var redo = new UndoBuffer();
foreach (var undoTile in buffer.Tiles)
{
var curTile = (Tile)_wvm.CurrentWorld.Tiles[undoTile.Location.X, undoTile.Location.Y].Clone();
if (curTile.Type == 21)
{
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 (curTile.Type == 55 || curTile.Type == 85)
{
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);
}
}
redo.Tiles.Add(new UndoTile(undoTile.Location, curTile));
_wvm.CurrentWorld.Tiles[undoTile.Location.X, undoTile.Location.Y] = (Tile)undoTile.Tile.Clone();
_wvm.UpdateRenderPixel(undoTile.Location);
/* Heathtech */
BlendRules.ResetUVCache(_wvm, undoTile.Location.X, undoTile.Location.Y, 1, 1);
}
foreach (var chest in buffer.Chests)
{
_wvm.CurrentWorld.Chests.Add(chest.Copy());
}
foreach (var sign in buffer.Signs)
{
_wvm.CurrentWorld.Signs.Add(sign.Copy());
}
redo.Write(string.Format(RedoFile, _currentIndex));
}
public void Redo()
{
if (_currentIndex > _maxIndex || _currentIndex < 0)
{
return;
}
var buffer = UndoBuffer.Read(string.Format(RedoFile, _currentIndex));
foreach (var undoTile in buffer.Tiles)
{
var curTile = (Tile)_wvm.CurrentWorld.Tiles[undoTile.Location.X, undoTile.Location.Y].Clone();
if (curTile.Type == 21)
{
var curchest = _wvm.CurrentWorld.GetChestAtTile(undoTile.Location.X, undoTile.Location.Y);
if (curchest != null)
{
_wvm.CurrentWorld.Chests.Remove(curchest);
}
}
if (curTile.Type == 55 || curTile.Type == 85)
{
var cursign = _wvm.CurrentWorld.GetSignAtTile(undoTile.Location.X, undoTile.Location.Y);
if (cursign != null)
{
_wvm.CurrentWorld.Signs.Remove(cursign);
}
}
_wvm.CurrentWorld.Tiles[undoTile.Location.X, undoTile.Location.Y] = (Tile)undoTile.Tile.Clone();
_wvm.UpdateRenderPixel(undoTile.Location);
}
foreach (var chest in buffer.Chests)
{
_wvm.CurrentWorld.Chests.Add(chest.Copy());
}
foreach (var sign in buffer.Signs)
{
_wvm.CurrentWorld.Signs.Add(sign.Copy());
}
_currentIndex++;
}
