55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "AsyncTreeDifferences.h"
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#define UE_API STATETREEEDITORMODULE_API
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class SStateTreeView;
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class UStateTreeState;
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namespace UE::StateTree::Diff
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{
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struct FSingleDiffEntry;
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class FAsyncDiff : public TAsyncTreeDifferences<TWeakObjectPtr<UStateTreeState>>
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{
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public:
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UE_API FAsyncDiff(const TSharedRef<SStateTreeView>& LeftTree, const TSharedRef<SStateTreeView>& RightTree);
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UE_API void GetStateTreeDifferences(TArray<FSingleDiffEntry>& OutDiffEntries) const;
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private:
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UE_API void GetStatesDifferences(TArray<FSingleDiffEntry>& OutDiffEntries) const;
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static UE_API TAttribute<TArray<TWeakObjectPtr<UStateTreeState>>> RootNodesAttribute(TWeakPtr<SStateTreeView> StateTreeView);
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TSharedPtr<SStateTreeView> LeftView;
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TSharedPtr<SStateTreeView> RightView;
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};
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} // UE::StateTree::Diff
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template <>
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class TTreeDiffSpecification<TWeakObjectPtr<UStateTreeState>>
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{
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public:
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UE_API bool AreValuesEqual(const TWeakObjectPtr<UStateTreeState>& StateTreeNodeA, const TWeakObjectPtr<UStateTreeState>& StateTreeNodeB, TArray<FPropertySoftPath>* OutDifferingProperties = nullptr) const;
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UE_API bool AreMatching(const TWeakObjectPtr<UStateTreeState>& StateTreeNodeA, const TWeakObjectPtr<UStateTreeState>& StateTreeNodeB, TArray<FPropertySoftPath>* OutDifferingProperties = nullptr) const;
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UE_API void GetChildren(const TWeakObjectPtr<UStateTreeState>& InParent, TArray<TWeakObjectPtr<UStateTreeState>>& OutChildren) const;
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bool ShouldMatchByValue(const TWeakObjectPtr<UStateTreeState>&) const
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{
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return false;
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}
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bool ShouldInheritEqualFromChildren(const TWeakObjectPtr<UStateTreeState>&, const TWeakObjectPtr<UStateTreeState>&) const
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{
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return false;
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}
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};
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#undef UE_API
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