BTTask_MoveTo.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "InputCoreTypes.h"
#include "Templates/SubclassOf.h"
#if UE_ENABLE_INCLUDE_ORDER_DEPRECATED_IN_5_4
#include "NavFilters/NavigationQueryFilter.h"
#endif
#include "AITypes.h"
#include "BehaviorTree/Tasks/BTTask_BlackboardBase.h"
#include "BehaviorTree/ValueOrBBKey.h"
#include "NavFilters/NavigationQueryFilter.h"
#include "BTTask_MoveTo.generated.h"
 
class UAITask_MoveTo;
class UBlackboardComponent;
 
struct FBTMoveToTaskMemory
{
    FAIRequestID MoveRequestID;
 
    FDelegateHandle BBObserverDelegateHandle;
    FVector PreviousGoalLocation;
 
    TWeakObjectPtr<UAITask_MoveTo> Task;
 
    uint8 bObserverCanFinishTask : 1;
};
 
UCLASS(config=Game, MinimalAPI)
class UBTTask_MoveTo : public UBTTask_BlackboardBase
{
    GENERATED_UCLASS_BODY()
 
    
    UPROPERTY(config, Category = Node, EditAnywhere, meta=(ClampMin = "0.0", UIMin="0.0"))
    FValueOrBBKey_Float AcceptableRadius;
 
    UPROPERTY(Category = Node, EditAnywhere)
    FValueOrBBKey_Class FilterClass = TSubclassOf<UNavigationQueryFilter>();
 
    UPROPERTY(Category = Blackboard, EditAnywhere, meta = (EditCondition = "bObserveBlackboardValue", ClampMin = "1", UIMin = "1"))
    FValueOrBBKey_Float ObservedBlackboardValueTolerance;
 
    UPROPERTY(Category = Node, EditAnywhere, DisplayName = AllowStrafe)
    FValueOrBBKey_Bool bAllowStrafe;
 
    UPROPERTY(Category = Node, EditAnywhere, AdvancedDisplay,  DisplayName = AllowPartialPath)
    FValueOrBBKey_Bool bAllowPartialPath;
 
    UPROPERTY(Category = Node, EditAnywhere, AdvancedDisplay,  DisplayName = TrackMovingGoal)
    FValueOrBBKey_Bool bTrackMovingGoal;
 
    UPROPERTY(Category = Node, EditAnywhere, AdvancedDisplay,  DisplayName = RequireNavigableEndLocation)
    FValueOrBBKey_Bool bRequireNavigableEndLocation;
 
    UPROPERTY(Category = Node, EditAnywhere, AdvancedDisplay,  DisplayName = ProjectGoalLocation)
    FValueOrBBKey_Bool bProjectGoalLocation;
 
    UPROPERTY(Category = Node, EditAnywhere,  DisplayName = ReachTestIncludesAgentRadius)
    FValueOrBBKey_Bool bReachTestIncludesAgentRadius;
    
    UPROPERTY(Category = Node, EditAnywhere,  DisplayName = ReachTestIncludesGoalRadius)
    FValueOrBBKey_Bool bReachTestIncludesGoalRadius;
 
    UPROPERTY(Category = Node, EditAnywhere,  DisplayName = StartFromPreviousPath)
    FValueOrBBKey_Bool bStartFromPreviousPath;
 
    uint32 bUsePathfinding : 1;
 
    UPROPERTY()
    uint32 bObserveBlackboardValue : 1;
 
    AIMODULE_API virtual EBTNodeResult::Type ExecuteTask(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) override;
    AIMODULE_API virtual EBTNodeResult::Type AbortTask(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) override;
    AIMODULE_API virtual void OnTaskFinished(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, EBTNodeResult::Type TaskResult) override;
    AIMODULE_API virtual uint16 GetInstanceMemorySize() const override;
    AIMODULE_API virtual void InitializeMemory(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, EBTMemoryInit::Type InitType) const override;
    AIMODULE_API virtual void CleanupMemory(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, EBTMemoryClear::Type CleanupType) const override;
 
    AIMODULE_API virtual void OnGameplayTaskDeactivated(UGameplayTask& Task) override;
    AIMODULE_API virtual void OnMessage(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, FName Message, int32 RequestID, bool bSuccess) override;
    AIMODULE_API EBlackboardNotificationResult OnBlackboardValueChange(const UBlackboardComponent& Blackboard, FBlackboard::FKey ChangedKeyID);
 
    AIMODULE_API virtual void DescribeRuntimeValues(const UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, EBTDescriptionVerbosity::Type Verbosity, TArray<FString>& Values) const override;
    AIMODULE_API virtual FString GetStaticDescription() const override;
 
#if WITH_EDITOR
    AIMODULE_API virtual FName GetNodeIconName() const override;
#endif // WITH_EDITOR
 
protected:
 
    AIMODULE_API virtual EBTNodeResult::Type PerformMoveTask(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory);
    
    AIMODULE_API virtual UAITask_MoveTo* PrepareMoveTask(UBehaviorTreeComponent& OwnerComp, UAITask_MoveTo* ExistingTask, FAIMoveRequest& MoveRequest);
};