public override UserItemRating[] ItemRatings(int i)
{
var playerDidRate = PlayerDidRate(i);
var count = playerDidRate ? userCount : userCount - 1;
var tuples = new UserItemRating[count];
for (var u = 0; u < count; u++)
{
tuples[u].user = u;
tuples[u].item = i;
tuples[u].rating = m_Data[u, i];
}
return(tuples);
}
public override UserItemRating[] UserRatings(int u)
{
if (u != m_PlayerUserId)
{
var tuples = new UserItemRating[itemCount];
for (var i = 0; i < itemCount; i++)
{
tuples[i].user = u;
tuples[i].item = i;
tuples[i].rating = m_Data[u, i];
}
return(tuples);
}
return(Enumerable.Range(0, itemCount)
.Where(PlayerDidRate)
.Select(i => new UserItemRating(u, i, m_Data[u, i])).ToArray());
}