private static void UndiffItem(BaseSnapObject past, int[] inputData,
int inputOffset, BaseSnapObject newItem)
{
var pastData = past.Serialize();
var newData = new int[pastData.Length];
for (int i = 0; i < past.SerializeLength; i++)
{
newData[i] = pastData[i] + inputData[inputOffset + i];
}
newItem.Deserialize(newData, 0);
}
private static int DiffItem(BaseSnapObject past, BaseSnapObject current,
int[] outputData, int outputOffset)
{
var needed = 0;
var pastData = past.Serialize();
var currentdata = current.Serialize();
for (int i = 0; i < current.SerializeLength; i++)
{
var @out = currentdata[i] - pastData[i];
needed |= @out;
outputData[outputOffset++] = @out;
}
return(needed);
}
public SnapshotItem(int key, int size, BaseSnapObject obj)
{
Size = size;
Key = key;
Object = obj;
}