/// <summary> Outputs all block changes by the given players. </summary>
/// <remarks> You must lock using Locker.AccquireRead() **before** entering this method. </remarks>
/// <returns> whether an entry before start time was reached. </returns>
public bool FindChangesBy(int[] ids, DateTime start, DateTime end,
out Vec3U16 dims, Action <BlockDBEntry> output)
{
int startDelta = ClampDelta(start.Subtract(Epoch));
int endDelta = ClampDelta(end.Subtract(Epoch));
dims = Dims;
if (FindInMemoryBy(ids, startDelta, endDelta, output))
{
return(true);
}
if (!File.Exists(FilePath))
{
return(false);
}
using (Stream s = OpenRead()) {
BlockDBFile format = BlockDBFile.ReadHeader(s, out dims);
return(format.FindChangesBy(s, ids, startDelta, endDelta, output));
}
}