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a0742e30e1
- Added property override logic into FPropertyBagInstanceDataDetails - Added hooks to allow to customize the peoperty override logic by deriving from FPropertyBagInstanceDataDetails - Added array of overridden property IDs in FStateTreeReference #rb Mieszko.Zielinski [CL 30502099 by mikko mononen in ue5-main branch]
117 lines
3.1 KiB
C++
117 lines
3.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "PropertyBag.h"
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#include "StateTreeReference.generated.h"
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class UStateTree;
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/**
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* Struct to hold reference to a StateTree asset along with values to parameterized it.
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*/
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USTRUCT()
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struct STATETREEMODULE_API FStateTreeReference
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{
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GENERATED_BODY()
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/** @return true if the reference is set. */
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bool IsValid() const
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{
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return StateTree != nullptr;
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}
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/** Sets the StateTree asset and referenced parameters. */
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void SetStateTree(UStateTree* NewStateTree)
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{
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StateTree = NewStateTree;
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SyncParameters();
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}
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/** @return const pointer to the referenced StateTree asset. */
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const UStateTree* GetStateTree() const
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{
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return StateTree;
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}
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/** @return pointer to the referenced StateTree asset. */
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UStateTree* GetMutableStateTree()
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{
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return StateTree;
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}
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/** @return reference to the parameters for the referenced StateTree asset. */
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const FInstancedPropertyBag& GetParameters() const
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{
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ConditionallySyncParameters();
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return Parameters;
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}
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/** @return reference to the parameters for the referenced StateTree asset. */
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FInstancedPropertyBag& GetMutableParameters()
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{
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ConditionallySyncParameters();
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return Parameters;
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}
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/**
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* Enforce self parameters to be compatible with those exposed by the selected StateTree asset.
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*/
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void SyncParameters();
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/**
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* Sync provided parameters to be compatible with those exposed by the selected StateTree asset.
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*/
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UE_DEPRECATED(5.4, "Use SyncParameters() instead.")
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void SyncParametersToMatchStateTree(FInstancedPropertyBag& ParametersToSync) const;
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/**
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* Indicates if current parameters are compatible with those available in the selected StateTree asset.
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* @return true when parameters requires to be synced to be compatible with those available in the selected StateTree asset, false otherwise.
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*/
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bool RequiresParametersSync() const;
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/** Sync parameters to match the asset if required. */
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void ConditionallySyncParameters() const;
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/** @return true if the property of specified ID is overridden. */
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bool IsPropertyOverridden(const FGuid PropertyID) const
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{
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return PropertyOverrides.Contains(PropertyID);
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}
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/** Sets the override status of specified property by ID. */
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void SetPropertyOverridden(const FGuid PropertyID, const bool bIsOverridden);
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bool Serialize(FStructuredArchive::FSlot Slot);
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void PostSerialize(const FArchive& Ar);
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protected:
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UPROPERTY(EditAnywhere, Category = "")
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TObjectPtr<UStateTree> StateTree = nullptr;
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UPROPERTY(EditAnywhere, Category = "", meta = (FixedLayout))
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FInstancedPropertyBag Parameters;
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/** Array of overridden properties. Non-overridden properties will inherit the values from the StateTree default parameters. */
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UPROPERTY(EditAnywhere, Category = "")
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TArray<FGuid> PropertyOverrides;
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friend class FStateTreeReferenceDetails;
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};
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template<>
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struct TStructOpsTypeTraits<FStateTreeReference> : public TStructOpsTypeTraitsBase2<FStateTreeReference>
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{
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enum
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{
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WithStructuredSerializer = true,
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WithPostSerialize = true,
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};
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};
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#if UE_ENABLE_INCLUDE_ORDER_DEPRECATED_IN_5_2
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#include "StateTreeTypes.h"
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#endif
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