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cfabe1b4e1
- added base class for common evaluators - added cooldown guard - added selection guard #jira none #preflight 61b1d4b6764790bee6ade85a #ROBOMERGE-AUTHOR: mikko.mononen #ROBOMERGE-SOURCE: CL 18417343 in //UE5/Main/... #ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v897-18405271) #ROBOMERGE[STARSHIP]: UE5-Release-Engine-Staging Release-5.0 [CL 18417348 by mikko mononen in ue5-release-engine-test branch]
82 lines
2.7 KiB
C
82 lines
2.7 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 "StateTreeTypes.h"
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#include "StateTreeExecutionContext.h"
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#if WITH_EDITOR
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#include "StateTreePropertyBindings.h"
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#endif
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#include "StateTreeConditionBase.generated.h"
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#if WITH_EDITOR
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struct IStateTreeBindingLookup;
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struct FStateTreeEditorPropertyPath;
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#endif
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/**
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* Base struct for all conditions.
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*/
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USTRUCT()
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struct STATETREEMODULE_API FStateTreeConditionBase
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{
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GENERATED_BODY()
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virtual ~FStateTreeConditionBase() {}
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/** @return Struct that represents the runtime data of the condition. */
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virtual const UStruct* GetInstanceDataType() const { return nullptr; };
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/**
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* Called when the StateTree asset is linked. Allows to resolve references to other StateTree data.
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* @see TStateTreeExternalDataHandle
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* @see TStateTreeInstanceDataPropertyHandle
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* @param Linker Reference to the linker
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* @return true if linking succeeded.
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*/
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virtual bool Link(FStateTreeLinker& Linker) { return true; }
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#if WITH_EDITOR
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/** @return Rich text description of the condition. */
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virtual FText GetDescription(const FGuid& ID, FStateTreeDataView InstanceData, const IStateTreeBindingLookup& BindingLookup) const { return FText::GetEmpty(); }
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/**
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* Called when binding of any of the properties in the condition changes.
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* @param ID ID of the item, can be used make property paths to this item.
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* @param InstanceData view to the instance data, can be struct or class.
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* @param SourcePath Source path of the new binding.
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* @param TargetPath Target path of the new binding (the property in the condition).
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* @param BindingLookup Reference to binding lookup which can be used to reason about property paths.
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*/
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virtual void OnBindingChanged(const FGuid& ID, FStateTreeDataView InstanceData, const FStateTreeEditorPropertyPath& SourcePath, const FStateTreeEditorPropertyPath& TargetPath, const IStateTreeBindingLookup& BindingLookup) {}
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#endif
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/** @return True if the condition passes. */
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virtual bool TestCondition(FStateTreeExecutionContext& Context) const { return false; }
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/** Property binding copy batch handle. */
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UPROPERTY()
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FStateTreeHandle BindingsBatch = FStateTreeHandle::Invalid;
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/** The runtime data's data view index in the StateTreeExecutionContext, and source struct index in property binding. */
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UPROPERTY()
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uint16 DataViewIndex = 0;
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UPROPERTY()
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uint16 InstanceIndex = 0;
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UPROPERTY()
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uint8 bInstanceIsObject : 1;
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};
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/**
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* Base class (namespace) for all common Conditions that are generally applicable.
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* This allows schemas to safely include all conditions child of this struct.
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*/
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USTRUCT(meta = (Hidden))
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struct STATETREEMODULE_API FStateTreeConditionCommonBase : public FStateTreeConditionBase
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{
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GENERATED_BODY()
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};
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