public bool TryGet(int slot, out UserReady userReady)
{
if (unchecked ((uint)slot < (uint)SlotCount))
{
userReady = slots[slot];
return(true);
}
userReady = default;
return(false);
}
public Error GetPlayerReady(string gameId, int slot, out UserReady userReady)
{
userReady = default;
var game = Games.TryGet(Id.Partial(gameId));
if (game == null)
{
return(Error.Codes.E01GameNotFound);
}
var sed = game.Phase.Setup.Data;
if (sed == null)
{
return(Error.Codes.E03NotInSetupPhase);
}
return(sed.TryGet(slot, out userReady)
? Error.Codes.E00NoError
: Error.Codes.E10InvalidSlotIndex);
}
public Error SetSlotReady(string gameId, int slot, UserReady userReady)
{
if (!Users.ContainsId(Id.Partial(userReady.UserId)))
{
return(Error.Codes.E02UserNotFound);
}
var game = Games.TryGet(Id.Partial(gameId));
if (game == null)
{
return(Error.Codes.E01GameNotFound);
}
var setup = game.Phase.Setup;
if (setup == null)
{
return(Error.Codes.E03NotInSetupPhase);
}
return(setup.TrySetSlotReady(slot, userReady));
}
// WARNING: does NOT check that the user exists!
internal Error TrySetSlotReady(int slot, UserReady ur)
{
PhaseData @new, old;
do
{
old = data;
if (old.IsFinalLocked)
{
// final locked: game is being transitioned to the next phase.
return(Error.Codes.E03NotInSetupPhase);
}
if (unchecked ((uint)slot >= (uint)old.SlotCount))
{
return(Error.Codes.E10InvalidSlotIndex);
}
@new = old.TrySetSlotReady(slot, ur);
if (@new == old) // no change
{
return(Error.Codes.E00NoError);
}
if (@new == null)
{
if (old.IsEmpty)
{
// game is in the process of being removed, hence "not found".
return(Error.Codes.E01GameNotFound);
}
else
{
return(Error.Codes.E12UserIdMismatch);
}
}
}while (Interlocked.CompareExchange(ref data, @new, old) != old);
return(Error.Codes.E00NoError);
}
: null; // userId mismatch
// WARNING: does NOT check slot index range!
// WARNING: does NOT check for duplicates!
// WARNING: does NOT check MaxUsers!
private PhaseData SetSlot(int slot, UserReady ur)
=> new PhaseData(slots.Copy().Modify(slot, ur), others);
// WARNING: does NOT check slot index range!
// WARNING: does NOT check that user exists!
internal PhaseData TrySetSlotReady(int slot, UserReady ur)
=> slots[slot].UserId == ur.UserId
? slots[slot].IsReady == ur.IsReady
? this // no change
: SetSlot(slot, ur)
: null; // userId mismatch
// WARNING: does NOT check slot index range!
// WARNING: does NOT check that slot is vacant!
private PhaseData TryMoveFromOthersToSlot(int slot, UserReady ur)
=> TryFindOther(ur.UserId, out int otherIndex)
? new PhaseData(slots.Copy().Modify(slot, ur), others.CopyRemoveAt(otherIndex))
: null;
public static PlayerReady ToModel(UserReady ur) // static for elegant use with Linq
=> new PlayerReady
{
UserId = ur.UserId, Ready = ur.IsReady
};