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344561a7f0
- added condition to prevent abstract classes being selected - made some base node types hidden #jira UE-149895 #rb Mieszko.Zielinski #preflight 62849197614041edb75978ea [CL 20258008 by mikko mononen in ue5-main branch]
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "StateTreeTypes.h"
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#include "StateTreeNodeBase.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(meta = (Hidden))
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struct STATETREEMODULE_API FStateTreeConditionBase : public FStateTreeNodeBase
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{
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GENERATED_BODY()
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#if WITH_EDITOR
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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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UPROPERTY()
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EStateTreeConditionOperand Operand = EStateTreeConditionOperand::And;
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UPROPERTY()
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int8 DeltaIndent = 0;
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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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/** Helper macro to define instance data as simple constructible. */
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#define STATETREE_POD_INSTANCEDATA(Type) \
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template <> struct TIsPODType<Type> { enum { Value = true }; }; \
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template<> \
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struct TStructOpsTypeTraits<Type> : public TStructOpsTypeTraitsBase2<Type> \
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{ \
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enum \
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{ \
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WithZeroConstructor = true, \
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WithNoDestructor = true, \
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}; \
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};
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