/// <summary> Outputs all block changes which affect the given coordinates. </summary>
/// <remarks> You must lock using Locker.AccquireRead() **before** entering this method. </remarks>
public void FindChangesAt(ushort x, ushort y, ushort z, Action <BlockDBEntry> output)
{
if (!File.Exists(FilePath))
{
FindInMemoryAt(x, y, z, output); return;
}
Vec3U16 dims;
using (Stream s = OpenRead()) {
BlockDBFile format = BlockDBFile.ReadHeader(s, out dims);
if (x >= dims.X || y >= dims.Y || z >= dims.Z)
{
return;
}
int index = (y * dims.Z + z) * dims.X + x;
format.FindChangesAt(s, index, output);
}
FindInMemoryAt(x, y, z, output);
}
/// <summary> Finds all block changes which affect the given coordinates. </summary>
public void FindChangesAt(ushort x, ushort y, ushort z, Action <BlockDBEntry> output)
{
using (IDisposable readLock = locker.AccquireReadLock()) {
if (!File.Exists(FilePath))
{
return;
}
using (Stream s = File.OpenRead(FilePath)) {
Vec3U16 dims;
BlockDBFile.ReadHeader(s, out dims);
if (x >= dims.X || y >= dims.Y || z >= dims.Z)
{
return;
}
int index = (y * dims.Z + z) * dims.X + x;
BlockDBFile.FindChangesAt(s, index, output);
}
}
}