void PerformUndo()
{
if (ids.Length == 0)
{
return;
}
// can't use "using" as it creates a local var, and read lock reference may be changed by DrawOpPerformer class
try {
BlockDBReadLock = Level.BlockDB.Locker.AccquireRead();
Level.BlockDB.FindChangesBy(ids, Start, End, out dims, UndoBlock);
} finally {
if (BlockDBReadLock != null)
{
BlockDBReadLock.Dispose();
}
}
if (oldest == null)
{
return;
}
foreach (var kvp in oldest)
{
int index = kvp.Key;
int x = index % dims.X;
int y = (index / dims.X) / dims.Z;
int z = (index / dims.X) % dims.Z;
output(Place((ushort)x, (ushort)y, (ushort)z, kvp.Value));
}
}
void PerformHighlight()
{
if (ids.Length == 0)
{
return;
}
// can't use "using" as it creates a local var, and read lock reference may be changed by DrawOpPerformer class
try {
BlockDBReadLock = Level.BlockDB.Locker.AccquireRead();
if (Level.BlockDB.FindChangesBy(ids, Start, DateTime.MaxValue, out dims, HighlightBlock))
{
return;
}
} finally {
if (BlockDBReadLock != null)
{
BlockDBReadLock.Dispose();
}
}
}
void PerformUndo()
{
if (ids.Length > 0)
{
// can't use "using" as it creates a local var, and read lock reference may be changed by DrawOpPerformer class
try {
BlockDBReadLock = Level.BlockDB.Locker.AccquireRead();
if (Level.BlockDB.FindChangesBy(ids, Start, End, out dims, UndoBlock))
{
return;
}
} finally {
if (BlockDBReadLock != null)
{
BlockDBReadLock.Dispose();
}
}
}
UndoFormatArgs args = new UndoFormatArgs(Level.name, Start, End, OldUndoBlock);
PerformOldUndo(args);
}
public override void Perform(Vec3S32[] marks, Brush brush, DrawOpOutput output)
{
int[] ids = NameConverter.FindIds(Player.name);
if (ids.Length == 0)
{
return;
}
this.output = output;
// can't use "using" as it creates a local var, and read lock reference may be changed by DrawOpPerformer class
try {
BlockDBReadLock = Level.BlockDB.Locker.AccquireRead();
if (Level.BlockDB.FindChangesBy(ids, Start, End, out dims, RedoBlock))
{
return;
}
} finally {
if (BlockDBReadLock != null)
{
BlockDBReadLock.Dispose();
}
}
this.output = null;
}
