TypedElementCompatibilityColumns.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "DataStorage/Handles.h"
#include "Elements/Interfaces/TypedElementDataStorageInterface.h"
#include "UObject/ObjectMacros.h"
#include "UObject/WeakObjectPtrTemplates.h"
 
#include "TypedElementCompatibilityColumns.generated.h"
 
class UObject;
class UWorld;
 
USTRUCT(meta = (DisplayName = "UObject reference"))
struct FTypedElementUObjectColumn final : public FEditorDataStorageColumn
{
    GENERATED_BODY()
 
    // If the UObject is accessed during an OnRemove event that is triggered by the garbage collection, the UObject will
    // already be marked as unreachable and regular functions to retrieve the UObject will return an nullptr. In these cases
    // use the unreachable versions such as Get(/*bEvenIfPendingKill*/ true) or GetEvenIfUnreachable().
    TWeakObjectPtr<UObject> Object;
};
 
USTRUCT(meta = (DisplayName = "UObject ID"))
struct FTypedElementUObjectIdColumn final : public FEditorDataStorageColumn
{
    GENERATED_BODY()
 
    UPROPERTY(meta = (IgnoreForMemberInitializationTest))
    uint32 Id;
    UPROPERTY(meta = (IgnoreForMemberInitializationTest))
    int32 SerialNumber;
};
 
USTRUCT(meta = (DisplayName = "External object reference"))
struct FTypedElementExternalObjectColumn final : public FEditorDataStorageColumn
{
    GENERATED_BODY()
 
    void* Object;
};
 
USTRUCT(meta = (DisplayName = "Class Default Object"))
struct FTypedElementClassDefaultObjectTag final : public FEditorDataStorageTag
{
    GENERATED_BODY()
};
 
USTRUCT(meta = (DisplayName = "Actor"))
struct FTypedElementActorTag final : public FEditorDataStorageTag
{
    GENERATED_BODY()
};
 
USTRUCT(meta = (DisplayName = "World"))
struct FTypedElementWorldColumn final : public FEditorDataStorageColumn
{
    GENERATED_BODY()
 
    TWeakObjectPtr<UWorld> World;
};
 
USTRUCT(meta = (DisplayName = "World Tag"))
struct FEditorDataStorageWorldTag final : public FEditorDataStorageTag
{
    GENERATED_BODY()
};
 
USTRUCT(meta = (DisplayName = "Level"))
struct FTypedElementLevelColumn final : public FEditorDataStorageColumn
{
    GENERATED_BODY()
 
    TWeakObjectPtr<ULevel> Level;
};
 
USTRUCT(meta = (DisplayName = "World Tag"))
struct FEditorDataStorageLevelTag final : public FEditorDataStorageTag
{
    GENERATED_BODY()
};
 
USTRUCT(meta = (DisplayName = "Property bag placeholder"))
struct FTypedElementPropertyBagPlaceholderTag final : public FEditorDataStorageTag
{
    GENERATED_BODY()
};
 
USTRUCT(meta = (DisplayName = "Loose property"))
struct FTypedElementLoosePropertyTag final : public FEditorDataStorageTag
{
    GENERATED_BODY()
};
 
USTRUCT(meta = (DisplayName = "Placeholder type info"))
struct FTypedElementPropertyBagPlaceholderTypeInfoColumn final : public FEditorDataStorageColumn
{
    GENERATED_BODY()
 
    TWeakObjectPtr<const UStruct> InferredBaseType;
};
 
USTRUCT(meta = (DisplayName = "Name"))
struct FEditorDataStorageUObjectIdNameColumn final : public FEditorDataStorageColumn
{
    GENERATED_BODY()
 
    UPROPERTY(meta = (Searchable, Sortable))
    FName IdName;
};
 
namespace UE::Editor::DataStorage
{
    using FUObjectIdNameColumn = FEditorDataStorageUObjectIdNameColumn;
    using FLevelColumn = FTypedElementLevelColumn;
    using FLevelTag = FEditorDataStorageLevelTag;
    using FWorldTag = FEditorDataStorageWorldTag;
}  // namespace UE::Editor::DataStorage