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31a5065342
Moved SmartObjects out of restricted folder Moved StateTree out of restricted folder Moved ZoneGraph out of restricted folder Moved ZoneGraphAnnotations out of restricted folder #jira UE-115297 #ROBOMERGE-OWNER: mieszko.zielinski #ROBOMERGE-AUTHOR: mieszko.zielinski #ROBOMERGE-SOURCE: CL 17648223 via CL 17648246 via CL 17648261 via CL 17648385 via CL 17648390 #ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v875-17642767) #ROBOMERGE-CONFLICT from-shelf #ROBOMERGE[STARSHIP]: UE5-Main [CL 17648742 by mieszko zielinski in ue5-release-engine-test branch]
99 lines
4.2 KiB
C++
99 lines
4.2 KiB
C++
// 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 "Misc/Guid.h"
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#include "InstancedStruct.h"
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#include "UObject/Interface.h"
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#include "IPropertyAccessEditor.h"
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#include "StateTreeEditorPropertyBindings.h"
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#include "StateTreePropertyBindings.h"
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#include "StateTreePropertyBindingCompiler.generated.h"
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/**
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* Helper class to compile editor representation of property bindings into runtime representation.
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* TODO: Better error reporting, something that can be shown in the UI.
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*/
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USTRUCT()
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struct STATETREEEDITORMODULE_API FStateTreePropertyBindingCompiler
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{
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GENERATED_BODY()
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/**
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* Initializes the compiler to compile copies to specified Property Bindings.
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* @param PropertyBindings - Reference to the Property Bindings where all the batches will be stored.
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* @return true on success.
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*/
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bool Init(FStateTreePropertyBindings& InPropertyBindings);
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/**
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* Compiles a batch of property copies.
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* @param TargetStruct - Description of the structs which contains the target properties.
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* @param PropertyBindings - Array of bindings to compile, all bindings that point to TargetStructs will be added to the batch.
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* @param OutBatchIndex - Resulting batch index, if index is INDEX_NONE, no bindings were found and no batch was generated.
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* @return True on success, false on failure.
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*/
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bool CompileBatch(const FStateTreeBindableStructDesc& TargetStruct, TConstArrayView<FStateTreeEditorPropertyBinding> EditorPropertyBindings, int32& OutBatchIndex);
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/** Finalizes compilation, should be called once all batches are compiled. */
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void Finalize();
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/**
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* Adds source struct. When compiling a batch, the bindings can be between any of the defined source structs, and the target struct.
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* Source structs can be added between calls to Compilebatch().
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* @param SourceStruct - Description of the source struct to add.
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* @return Source struct index.
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*/
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int32 AddSourceStruct(const FStateTreeBindableStructDesc& SourceStruct);
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/** @return Index of a source struct by specified ID, or INDEX_NONE if not found. */
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int32 GetSourceStructIndexByID(const FGuid& ID) const;
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/** @return Reference to a source struct based on ID. */
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const FStateTreeBindableStructDesc& GetSourceStructDesc(const int32 Index) const
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{
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return SourceStructs[Index];
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}
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/**
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* Resolves a string based property path in specified struct into segments of property names and access types.
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* @param InStructDesc Description of the struct in which the property path is valid.
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* @param InPath The property path in string format.
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* @param OutSegments The resolved property access path as segments.
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* @param OutLeafProperty The leaf property of the resolved path.
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* @param OutLeafArrayIndex The left array index (or INDEX_NONE if not applicable) of the resolved path.
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* @param bLogErrors Set to true to log errors during resolve into the console.
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* @return True of the property was solved successfully.
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*/
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static bool ResolvePropertyPath(const FStateTreeBindableStructDesc& InStructDesc, const FStateTreeEditorPropertyPath& InPath,
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TArray<FStateTreePropertySegment>& OutSegments, FProperty*& OutLeafProperty, int32& OutLeafArrayIndex, const bool bLogErrors = false);
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/**
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* Checks if two property types can are compatible for copying.
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* @param InPropertyA First property used in the check.
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* @param InPropertyB Second property used in the check.
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* @return Incompatible if the properties cannot be copied, Compatible if they are trivially copyable, or Promotable if numeric values can be promoted to another numeric type.
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*/
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static EPropertyAccessCompatibility GetPropertyCompatibility(const FProperty* InPropertyA, const FProperty* InPropertyB);
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protected:
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void StoreSourceStructs();
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UPROPERTY()
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TArray<FStateTreeBindableStructDesc> SourceStructs;
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FStateTreePropertyBindings* PropertyBindings = nullptr;
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struct FResolvedPathResult
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{
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int32 PathIndex = INDEX_NONE;
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FProperty* LeafProperty = nullptr;
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int32 LeafArrayIndex = INDEX_NONE;
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};
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EStateTreePropertyCopyType GetCopyType(FProperty* SourceProperty, int32 SourceArrayIndex, FProperty* TargetProperty, int32 TargetArrayIndex);
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bool ResolvePropertyPath(const FStateTreeBindableStructDesc& InStructDesc, const FStateTreeEditorPropertyPath& InPath, FResolvedPathResult& OutResult);
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};
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