EPartyReservationResult::Type APartyBeaconHost::AddPartyReservation(const FPartyReservation& ReservationRequest)
{
EPartyReservationResult::Type Result = EPartyReservationResult::GeneralError;
if (!State || GetBeaconState() == EBeaconState::DenyRequests)
{
return EPartyReservationResult::ReservationDenied;
}
if (ReservationRequest.IsValid())
{
if (State->DoesReservationFit(ReservationRequest))
{
bool bContinue = true;
if (ValidatePlayers.IsBound())
{
bContinue = ValidatePlayers.Execute(ReservationRequest.PartyMembers);
}
if (bContinue)
{
const int32 ExistingReservationIdx = State->GetExistingReservation(ReservationRequest.PartyLeader);
if (ExistingReservationIdx != INDEX_NONE)
{
TArray<FPartyReservation>& Reservations = State->GetReservations();
FPartyReservation& ExistingReservation = Reservations[ExistingReservationIdx];
if (ReservationRequest.PartyMembers.Num() == ExistingReservation.PartyMembers.Num())
{
// Verify the reservations are the same
int32 NumMatchingReservations = 0;
for (const FPlayerReservation& NewPlayerRes : ReservationRequest.PartyMembers)
{
FPlayerReservation* PlayerRes = ExistingReservation.PartyMembers.FindByPredicate(
[NewPlayerRes](const FPlayerReservation& ExistingPlayerRes)
{
return NewPlayerRes.UniqueId == ExistingPlayerRes.UniqueId;
});
if (PlayerRes)
{
NumMatchingReservations++;
}
}
if (NumMatchingReservations == ExistingReservation.PartyMembers.Num())
{
for (const FPlayerReservation& NewPlayerRes : ReservationRequest.PartyMembers)
{
FPlayerReservation* PlayerRes = ExistingReservation.PartyMembers.FindByPredicate(
[NewPlayerRes](const FPlayerReservation& ExistingPlayerRes)
{
return NewPlayerRes.UniqueId == ExistingPlayerRes.UniqueId;
});
if (PlayerRes)
{
// Update the validation auth strings because they may have changed with a new login
PlayerRes->ValidationStr = NewPlayerRes.ValidationStr;
}
}
SendReservationUpdates();
// Clean up the game entities for these duplicate players
DuplicateReservation.ExecuteIfBound(ReservationRequest);
// Add all players back into the pending join list
for (int32 Count = 0; Count < ReservationRequest.PartyMembers.Num(); Count++)
{
NewPlayerAdded(ReservationRequest.PartyMembers[Count]);
}
Result = EPartyReservationResult::ReservationDuplicate;
}
else
{
// Existing reservation doesn't match incoming duplicate reservation
Result = EPartyReservationResult::IncorrectPlayerCount;
}
}
else
{
// Existing reservation doesn't match incoming duplicate reservation
Result = EPartyReservationResult::IncorrectPlayerCount;
}
}
else
{
if (State->AreTeamsAvailable(ReservationRequest))
{
if (State->AddReservation(ReservationRequest))
{
// Keep track of newly added players
for (const FPlayerReservation& PartyMember : ReservationRequest.PartyMembers)
{
NewPlayerAdded(PartyMember);
}
SendReservationUpdates();
NotifyReservationEventNextFrame(ReservationChanged);
if (State->IsBeaconFull())
{
NotifyReservationEventNextFrame(ReservationsFull);
}
Result = EPartyReservationResult::ReservationAccepted;
}
else
{
Result = EPartyReservationResult::IncorrectPlayerCount;
}
}
else
{
// New reservation doesn't fit with existing players
Result = EPartyReservationResult::PartyLimitReached;
}
}
}
else
{
Result = EPartyReservationResult::ReservationDenied_Banned;
}
}
else
{
Result = EPartyReservationResult::IncorrectPlayerCount;
}
}
else
{
Result = EPartyReservationResult::IncorrectPlayerCount;
}
return Result;
}
EPartyReservationResult::Type APartyBeaconHost::UpdatePartyReservation(const FPartyReservation& ReservationUpdateRequest)
{
EPartyReservationResult::Type Result = EPartyReservationResult::GeneralError;
if (!State || GetBeaconState() == EBeaconState::DenyRequests)
{
return EPartyReservationResult::ReservationDenied;
}
if (ReservationUpdateRequest.IsValid())
{
if (!State->IsBeaconFull())
{
const int32 ExistingReservationIdx = State->GetExistingReservation(ReservationUpdateRequest.PartyLeader);
if (ExistingReservationIdx != INDEX_NONE)
{
// Count the number of available slots for the existing reservation's team
TArray<FPartyReservation>& Reservations = State->GetReservations();
FPartyReservation& ExistingReservation = Reservations[ExistingReservationIdx];
const int32 NumTeamMembers = GetNumPlayersOnTeam(ExistingReservation.TeamNum);
const int32 NumAvailableSlotsOnTeam = FMath::Max<int32>(0, GetMaxPlayersPerTeam() - NumTeamMembers);
// Read the list of new players and remove the ones that have existing reservation entries
TArray<FPlayerReservation> NewPlayers;
for (int32 PlayerIdx = 0; PlayerIdx < ReservationUpdateRequest.PartyMembers.Num(); PlayerIdx++)
{
const FPlayerReservation& NewPlayerRes = ReservationUpdateRequest.PartyMembers[PlayerIdx];
FPlayerReservation* PlayerRes = ExistingReservation.PartyMembers.FindByPredicate(
[NewPlayerRes](const FPlayerReservation& ExistingPlayerRes)
{
return NewPlayerRes.UniqueId == ExistingPlayerRes.UniqueId;
});
if (!PlayerRes)
{
// player reservation doesn't exist so add it as a new player
NewPlayers.Add(NewPlayerRes);
}
else
{
// duplicate entry for this player
UE_LOG(LogBeacon, Log, TEXT("Skipping player %s"),
*NewPlayerRes.UniqueId.ToString());
}
}
// Validate that adding the new party members to this reservation entry still fits within the team size
if (NewPlayers.Num() <= NumAvailableSlotsOnTeam)
{
if (NewPlayers.Num() > 0)
{
// Copy new player entries into existing reservation
for (int32 PlayerIdx = 0; PlayerIdx < NewPlayers.Num(); PlayerIdx++)
{
const FPlayerReservation& PlayerRes = NewPlayers[PlayerIdx];
ExistingReservation.PartyMembers.Add(PlayerRes);
// Keep track of newly added players
NewPlayerAdded(PlayerRes);
}
// Update the reservation count before sending the response
State->NumConsumedReservations += NewPlayers.Num();
// Tell any UI and/or clients that there has been a change in the reservation state
SendReservationUpdates();
// Tell the owner that we've received a reservation so the UI can be updated
NotifyReservationEventNextFrame(ReservationChanged);
if (State->IsBeaconFull())
{
// If we've hit our limit, fire the delegate so the host can do the
// next step in getting parties together
NotifyReservationEventNextFrame(ReservationsFull);
}
Result = EPartyReservationResult::ReservationAccepted;
}
else
{
// Duplicate entries (or zero) so existing reservation not updated
Result = EPartyReservationResult::ReservationDuplicate;
}
}
else
{
// Send an invalid party size response
Result = EPartyReservationResult::IncorrectPlayerCount;
}
}
else
{
// Send a not found reservation response
Result = EPartyReservationResult::ReservationNotFound;
}
}
else
{
// Send a session full response
Result = EPartyReservationResult::PartyLimitReached;
}
}
else
{
// Invalid reservation
Result = EPartyReservationResult::ReservationInvalid;
}
return Result;
}