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77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/WeakObjectPtr.h"
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#include "EditorUndoClient.h"
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#include "LevelModel.h"
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#include "Layers/Layer.h"
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class FAssetData;
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class FLevelDragDropOp;
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class FStreamingLevelCollectionModel;
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class ULevel;
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class ULevelStreaming;
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/**
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* The non-UI solution specific presentation logic for a single streaming level
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*/
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class FStreamingLevelModel
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: public FLevelModel
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, public FEditorUndoClient
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{
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public:
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/**
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* FStreamingLevelModel Constructor
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*
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* @param InEditor The UEditorEngine to use
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* @param InWorldData Level collection owning this model
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* @param InLevelStreaming Streaming object this model should represent
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*/
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FStreamingLevelModel(FStreamingLevelCollectionModel& InWorldData, class ULevelStreaming* InLevelStreaming);
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~FStreamingLevelModel();
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public:
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// FLevelModel interface
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virtual bool HasValidPackage() const override;
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virtual UObject* GetNodeObject() override;
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virtual ULevel* GetLevelObject() const override;
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virtual FName GetAssetName() const override;
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virtual FName GetLongPackageName() const override;
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virtual void UpdateAsset(const FAssetData& AssetData) override;
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virtual FLinearColor GetLevelColor() const override;
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virtual void SetLevelColor(FLinearColor InColor) override;
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virtual void Update() override;
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virtual void OnDrop(const TSharedPtr<FLevelDragDropOp>& Op) override;
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virtual bool IsGoodToDrop(const TSharedPtr<FLevelDragDropOp>& Op) const override;
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virtual UClass* GetStreamingClass() const override;
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// FLevelModel interface end
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/** @return The ULevelStreaming this viewmodel contains*/
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const TWeakObjectPtr< ULevelStreaming > GetLevelStreaming();
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/** Sets the Level's streaming class */
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void SetStreamingClass( UClass *LevelStreamingClass );
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private:
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/** Updates cached value of package file availability */
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void UpdatePackageFileAvailability();
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// Begin FEditorUndoClient
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virtual void PostUndo(bool bSuccess) override { Update(); }
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virtual void PostRedo(bool bSuccess) override { PostUndo(bSuccess); }
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// End of FEditorUndoClient
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private:
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/** The Actor stats of the Level */
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TArray< FLayerActorStats > ActorStats;
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/** The LevelStreaming this object represents */
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TWeakObjectPtr< ULevelStreaming > LevelStreaming;
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/** Whether underlying streaming level object has a valid package name */
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bool bHasValidPackageName;
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};
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