101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
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// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "CommonActivatableWidget.h"
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#include "GameplayTagContainer.h"
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#include "GameFeatureAction_WorldActionBase.h"
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#include "UI/LyraHUD.h"
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#include "UIExtensionSystem.h"
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#include "GameFeatureAction_AddWidget.generated.h"
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struct FWorldContext;
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struct FComponentRequestHandle;
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USTRUCT()
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struct FLyraHUDLayoutRequest
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{
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GENERATED_BODY()
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// The layout widget to spawn
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UPROPERTY(EditAnywhere, Category=UI, meta=(AssetBundles="Client"))
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TSoftClassPtr<UCommonActivatableWidget> LayoutClass;
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// The layer to insert the widget in
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UPROPERTY(EditAnywhere, Category=UI, meta=(Categories="UI.Layer"))
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FGameplayTag LayerID;
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};
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USTRUCT()
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struct FLyraHUDElementEntry
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{
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GENERATED_BODY()
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// The widget to spawn
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UPROPERTY(EditAnywhere, Category=UI, meta=(AssetBundles="Client"))
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TSoftClassPtr<UUserWidget> WidgetClass;
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// The slot ID where we should place this widget
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UPROPERTY(EditAnywhere, Category = UI)
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FGameplayTag SlotID;
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};
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//////////////////////////////////////////////////////////////////////
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// UGameFeatureAction_AddWidget
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/**
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* GameFeatureAction responsible for granting abilities (and attributes) to actors of a specified type.
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*/
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UCLASS(MinimalAPI, meta = (DisplayName = "Add Widgets"))
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class UGameFeatureAction_AddWidgets final : public UGameFeatureAction_WorldActionBase
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{
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GENERATED_BODY()
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public:
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//~ Begin UGameFeatureAction interface
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virtual void OnGameFeatureDeactivating(FGameFeatureDeactivatingContext& Context) override;
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#if WITH_EDITORONLY_DATA
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virtual void AddAdditionalAssetBundleData(FAssetBundleData& AssetBundleData) override;
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#endif
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//~ End UGameFeatureAction interface
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//~ Begin UObject interface
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#if WITH_EDITOR
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virtual EDataValidationResult IsDataValid(TArray<FText>& ValidationErrors) override;
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#endif
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//~ End UObject interface
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private:
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// Layout to add to the HUD
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UPROPERTY(EditAnywhere, Category=UI, meta=(TitleProperty="{LayerID} -> {LayoutClass}"))
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TArray<FLyraHUDLayoutRequest> Layout;
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// Widgets to add to the HUD
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UPROPERTY(EditAnywhere, Category=UI, meta=(TitleProperty="{SlotID} -> {WidgetClass}"))
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TArray<FLyraHUDElementEntry> Widgets;
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private:
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struct FPerContextData
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{
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TArray<TSharedPtr<FComponentRequestHandle>> ComponentRequests;
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TArray<TWeakObjectPtr<UCommonActivatableWidget>> LayoutsAdded;
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TArray<FUIExtensionHandle> ExtensionHandles;
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};
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TMap<FGameFeatureStateChangeContext, FPerContextData> ContextData;
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//~ Begin UGameFeatureAction_WorldActionBase interface
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virtual void AddToWorld(const FWorldContext& WorldContext, const FGameFeatureStateChangeContext& ChangeContext) override;
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//~ End UGameFeatureAction_WorldActionBase interface
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void Reset(FPerContextData& ActiveData);
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void HandleActorExtension(AActor* Actor, FName EventName, FGameFeatureStateChangeContext ChangeContext);
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void AddWidgets(AActor* Actor, FPerContextData& ActiveData);
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void RemoveWidgets(AActor* Actor, FPerContextData& ActiveData);
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};
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