76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "GameFeatureAction_SplitscreenConfig.h"
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#include "Components/GameFrameworkComponentManager.h"
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#include "GameFeaturesSubsystemSettings.h"
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#include "Engine/AssetManager.h"
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#include "Engine/Engine.h"
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#define LOCTEXT_NAMESPACE "LyraGameFeatures"
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//////////////////////////////////////////////////////////////////////
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// UGameFeatureAction_SplitscreenConfig
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TMap<FObjectKey, int32> UGameFeatureAction_SplitscreenConfig::GlobalDisableVotes;
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void UGameFeatureAction_SplitscreenConfig::OnGameFeatureDeactivating(FGameFeatureDeactivatingContext& Context)
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{
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Super::OnGameFeatureDeactivating(Context);
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for (int32 i = LocalDisableVotes.Num() - 1; i >= 0; i-- )
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{
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FObjectKey ViewportKey = LocalDisableVotes[i];
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UGameViewportClient* GVP = Cast<UGameViewportClient>(ViewportKey.ResolveObjectPtr());
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const FWorldContext* WorldContext = GEngine->GetWorldContextFromGameViewport(GVP);
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if (GVP && WorldContext)
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{
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if (!Context.ShouldApplyToWorldContext(*WorldContext))
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{
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// Wrong context so ignore it, dead objects count as part of this context
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continue;
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}
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}
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int32& VoteCount = GlobalDisableVotes[ViewportKey];
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if (VoteCount <= 1)
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{
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GlobalDisableVotes.Remove(ViewportKey);
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if (GVP && WorldContext)
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{
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GVP->SetForceDisableSplitscreen(false);
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}
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}
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else
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{
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--VoteCount;
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}
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LocalDisableVotes.RemoveAt(i);
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}
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}
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void UGameFeatureAction_SplitscreenConfig::AddToWorld(const FWorldContext& WorldContext, const FGameFeatureStateChangeContext& ChangeContext)
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{
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if (bDisableSplitscreen)
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{
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if (UGameInstance* GameInstance = WorldContext.OwningGameInstance)
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{
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if (UGameViewportClient* VC = GameInstance->GetGameViewportClient())
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{
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FObjectKey ViewportKey(VC);
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LocalDisableVotes.Add(ViewportKey);
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int32& VoteCount = GlobalDisableVotes.FindOrAdd(ViewportKey);
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VoteCount++;
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if (VoteCount == 1)
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{
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VC->SetForceDisableSplitscreen(true);
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}
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}
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}
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}
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}
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#undef LOCTEXT_NAMESPACE
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