private void getBaseTime(ulong time, out EventToken[,] block, out int index)
{
ulong baseTime = _history.Keys.Where(t => (t <= time)).DefaultIfEmpty(0UL).Max();
if (!_history.ContainsKey(baseTime))
{
block = null;
index = 0;
return;
}
block = _history[baseTime];
index = (int)(time - baseTime);
if (index >= block.GetLength(1))
{
block = null;
index = 0;
}
}
private int findEmptyRow(ref EventToken[,] block, int col)
{
bool found = false;
int row;
for (row = 0; row < block.GetLength(0); row++)
{
if (block[row, col] == null)
{
found = true;
break;
}
}
if (!found)
{
row = (++_rowCount) - 1;
block = block.Resize(_rowCount, block.GetLength(1));
}
return row;
}