File size: 6,633 Bytes
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#include "LyraReplaySubsystem.h"
#include "Engine/GameInstance.h"
#include "Engine/World.h"
#include "Engine/DemoNetDriver.h"
#include "Internationalization/Text.h"
#include "Misc/DateTime.h"
#include "CommonUISettings.h"
#include "ICommonUIModule.h"
#include "LyraLogChannels.h"
#include "Player/LyraLocalPlayer.h"
#include "Settings/LyraSettingsLocal.h"
#include UE_INLINE_GENERATED_CPP_BY_NAME(LyraReplaySubsystem)
UE_DEFINE_GAMEPLAY_TAG_STATIC(TAG_Platform_Trait_ReplaySupport, "Platform.Trait.ReplaySupport");
ULyraReplaySubsystem::ULyraReplaySubsystem()
{
}
bool ULyraReplaySubsystem::DoesPlatformSupportReplays()
{
if (ICommonUIModule::GetSettings().GetPlatformTraits().HasTag(GetPlatformSupportTraitTag()))
{
return true;
}
return false;
}
FGameplayTag ULyraReplaySubsystem::GetPlatformSupportTraitTag()
{
return TAG_Platform_Trait_ReplaySupport.GetTag();
}
void ULyraReplaySubsystem::PlayReplay(ULyraReplayListEntry* Replay)
{
if (Replay != nullptr)
{
FString DemoName = Replay->StreamInfo.Name;
GetGameInstance()->PlayReplay(DemoName);
}
}
void ULyraReplaySubsystem::RecordClientReplay(APlayerController* PlayerController)
{
if (ensure(DoesPlatformSupportReplays() && PlayerController))
{
FText FriendlyNameText = FText::Format(NSLOCTEXT("Lyra", "LyraReplayName_Format", "Client Replay {0}"), FText::AsDateTime(FDateTime::UtcNow(), EDateTimeStyle::Short, EDateTimeStyle::Short));
GetGameInstance()->StartRecordingReplay(FString(), FriendlyNameText.ToString());
if (ULyraLocalPlayer* LyraLocalPlayer = Cast<ULyraLocalPlayer>(PlayerController->GetLocalPlayer()))
{
// Start a cleanup of existing saved streams
int32 NumToKeep = LyraLocalPlayer->GetLocalSettings()->GetNumberOfReplaysToKeep();
CleanupLocalReplays(LyraLocalPlayer, NumToKeep);
}
}
}
void ULyraReplaySubsystem::CleanupLocalReplays(ULocalPlayer* LocalPlayer, int32 NumReplaysToKeep)
{
// TODO this was only tested with the generic file streamer and may not fully work with the save game streamer
// This only handles one delete at a time, and will loop until it gets an error or goes below NumReplaysToKeep
// It does it this way because each delete may involve a server or save game query that invalidates the replay list
if (LocalPlayer != nullptr && LocalPlayerDeletingReplays == nullptr && NumReplaysToKeep != 0)
{
LocalPlayerDeletingReplays = LocalPlayer;
DeletingReplaysNumberToKeep = NumReplaysToKeep;
CurrentReplayStreamer = FNetworkReplayStreaming::Get().GetFactory().CreateReplayStreamer();
if (CurrentReplayStreamer.IsValid())
{
// Use the default version to get old version replays as well
FNetworkReplayVersion EnumerateStreamsVersion;
CurrentReplayStreamer->EnumerateStreams(EnumerateStreamsVersion, LocalPlayer->GetPlatformUserIndex(), FString(), TArray<FString>(), FEnumerateStreamsCallback::CreateUObject(this, &ThisClass::OnEnumerateStreamsCompleteForDelete));
}
}
}
void ULyraReplaySubsystem::OnEnumerateStreamsCompleteForDelete(const FEnumerateStreamsResult& Result)
{
if (!CurrentReplayStreamer.IsValid() || !IsValid(LocalPlayerDeletingReplays))
{
// Lost context, don't do anything
return;
}
TArray<FNetworkReplayStreamInfo> StreamsToDelete;
for (const FNetworkReplayStreamInfo& StreamInfo : Result.FoundStreams)
{
// Never delete keep streams
if (!StreamInfo.bShouldKeep)
{
StreamsToDelete.Add(StreamInfo);
}
}
// Sort by date
Algo::SortBy(StreamsToDelete, [](const FNetworkReplayStreamInfo& Data) { return Data.Timestamp.GetTicks(); }, TGreater<>());
if (UDemoNetDriver* DemoDriver = GetDemoDriver())
{
if (DemoDriver->IsRecording())
{
// If we're recording, the live stream may or may not show up in the query which affects the keep count
// Add a fake live stream if the active one is missing from the results
if (StreamsToDelete.Num() > 0 && !StreamsToDelete[0].bIsLive)
{
StreamsToDelete.Insert(FNetworkReplayStreamInfo(), 0);
}
}
}
if (StreamsToDelete.Num() > DeletingReplaysNumberToKeep)
{
// Delete the first replay above the limit, if successful it won't be in the loop during the next loop
// If unsuccessful, it will stop looping
FString ReplayName = StreamsToDelete[DeletingReplaysNumberToKeep].Name;
UE_LOG(LogLyra, Log, TEXT("LyraReplaySubsystem asked to delete replay %s"), *ReplayName);
CurrentReplayStreamer->DeleteFinishedStream(ReplayName, LocalPlayerDeletingReplays->GetPlatformUserIndex(), FDeleteFinishedStreamCallback::CreateUObject(this, &ThisClass::OnDeleteReplay));
}
else
{
// We're below the limit so stop iterating
CurrentReplayStreamer = nullptr;
LocalPlayerDeletingReplays = nullptr;
DeletingReplaysNumberToKeep = 0;
}
}
void ULyraReplaySubsystem::OnDeleteReplay(const FDeleteFinishedStreamResult& DeleteResult)
{
if (!CurrentReplayStreamer.IsValid() || !IsValid(LocalPlayerDeletingReplays))
{
// Lost context, don't do anything
return;
}
if (DeleteResult.WasSuccessful())
{
// Enumerate list again to see if we're under the limit yet
FNetworkReplayVersion EnumerateStreamsVersion;
CurrentReplayStreamer->EnumerateStreams(EnumerateStreamsVersion, LocalPlayerDeletingReplays->GetPlatformUserIndex(), FString(), TArray<FString>(), FEnumerateStreamsCallback::CreateUObject(this, &ThisClass::OnEnumerateStreamsCompleteForDelete));
}
else
{
// Failed, stop trying to delete anything else
// TODO properly integrate with platform-specific error reporting
UE_LOG(LogLyra, Warning, TEXT("Failed to delete replay with error %d!"), (int32)DeleteResult.Result);
CurrentReplayStreamer = nullptr;
LocalPlayerDeletingReplays = nullptr;
DeletingReplaysNumberToKeep = 0;
}
}
void ULyraReplaySubsystem::SeekInActiveReplay(float TimeInSeconds)
{
if (UDemoNetDriver* DemoDriver = GetDemoDriver())
{
DemoDriver->GotoTimeInSeconds(TimeInSeconds);
}
}
float ULyraReplaySubsystem::GetReplayLengthInSeconds() const
{
if (UDemoNetDriver* DemoDriver = GetDemoDriver())
{
return DemoDriver->GetDemoTotalTime();
}
return 0.0f;
}
float ULyraReplaySubsystem::GetReplayCurrentTime() const
{
if (UDemoNetDriver* DemoDriver = GetDemoDriver())
{
return DemoDriver->GetDemoCurrentTime();
}
return 0.0f;
}
UDemoNetDriver* ULyraReplaySubsystem::GetDemoDriver() const
{
if (UWorld* World = GetGameInstance()->GetWorld())
{
return World->GetDemoNetDriver();
}
return nullptr;
}
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