void AddNextNode()
{
BlockDBCacheNode newHead = new BlockDBCacheNode(nextSize);
newHead.Prev = Head;
if (Head != null)
{
Head.Next = newHead;
}
Head = newHead;
if (Tail == null)
{
Tail = Head;
}
// use smaller increases at first to minimise memory usage
if (nextSize == 50 * 1000)
{
nextSize = 100 * 1000;
}
if (nextSize == 20 * 1000)
{
nextSize = 50 * 1000;
}
if (nextSize == 10 * 1000)
{
nextSize = 20 * 1000;
}
}
bool FindInMemoryBy(int[] ids, int startDelta, int endDelta, Action <BlockDBEntry> output)
{
BlockDBCacheNode node = Cache.Head;
while (node != null)
{
int count = node.Count;
BlockDBCacheEntry[] entries = node.Entries;
for (int i = count - 1; i >= 0; i--)
{
BlockDBEntry entry = node.Unpack(entries[i]);
if (entry.TimeDelta < startDelta)
{
return(true);
}
if (entry.TimeDelta > endDelta)
{
continue;
}
for (int j = 0; j < ids.Length; j++)
{
if (entry.PlayerID != ids[j])
{
continue;
}
output(entry); break;
}
}
lock (Cache.Locker) node = node.Prev;
}
return(false);
}
public void Clear()
{
lock (Locker) {
if (Tail == null)
{
return;
}
Count = 0;
BlockDBCacheNode cur = Tail;
while (cur != null)
{
// Unlink the nodes
cur.Prev = null;
BlockDBCacheNode next = cur.Next;
cur.Next = null;
cur = next;
}
Head = null; Tail = null;
}
}
void FindInMemoryAt(ushort x, ushort y, ushort z, Action <BlockDBEntry> output)
{
int index = (y * Dims.Z + z) * Dims.X + x;
BlockDBCacheNode node = Cache.Tail;
while (node != null)
{
BlockDBCacheEntry[] entries = node.Entries;
int count = node.Count;
for (int i = 0; i < count; i++)
{
if (entries[i].Index != index)
{
continue;
}
BlockDBEntry entry = node.Unpack(entries[i]);
output(entry);
}
lock (Cache.Locker) node = node.Next;
}
}
public override void WriteEntries(Stream s, BlockDBCache cache)
{
byte[] bulk = new byte[BulkEntries * EntrySize];
BlockDBCacheNode node = cache.Tail;
while (node != null)
{
int count = node.Count;
for (int i = 0; i < count; i += BulkEntries)
{
int bulkCount = Math.Min(BulkEntries, count - i);
for (int j = 0; j < bulkCount; j++)
{
BlockDBEntry entry = node.Unpack(node.Entries[i + j]);
WriteEntry(entry, bulk, j * EntrySize);
}
s.Write(bulk, 0, bulkCount * EntrySize);
}
lock (cache.Locker)
node = node.Next;
}
}