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1e28b99891
#jira UE-146925 #review-19478890 - Added ability to combine conditions into expressions - Added editor UI for the expressions - Replaced condition description with a name (makes the expressions faster to skim) #preflight 62417309361866e20ffa6320 [CL 19524558 by mikko mononen in ue5-main branch]
58 lines
1.8 KiB
C
58 lines
1.8 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()
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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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