#include <ALS_BTTask_GetRandomLocation.h>

Inheritance diagram for UALS_BTTask_GetRandomLocation:

Public Member Functions
	UALS_BTTask_GetRandomLocation ()

virtual EBTNodeResult::Type	ExecuteTask (UBehaviorTreeComponent &OwnerComp, uint8 *NodeMemory) override

virtual FString	GetStaticDescription () const override

Public Attributes
float	MaxDistance = 1000.0f

TSubclassOf< UNavigationQueryFilter >	Filter = nullptr

Detailed Description

Picks a random location reachable through NavMesh within the Max Distance from the Owning Pawn's current location and assigns it to the specified Blackboard Key.

Constructor & Destructor Documentation

◆ UALS_BTTask_GetRandomLocation()

UALS_BTTask_GetRandomLocation::UALS_BTTask_GetRandomLocation ( )

{
    NodeName = "Get Random Location";
 
    BlackboardKey.AddVectorFilter(this, GET_MEMBER_NAME_CHECKED(UALS_BTTask_GetRandomLocation, BlackboardKey));
}

Member Function Documentation

◆ ExecuteTask()

EBTNodeResult::Type UALS_BTTask_GetRandomLocation::ExecuteTask	(	UBehaviorTreeComponent &	OwnerComp,
		uint8 *	NodeMemory )

overridevirtual

{
    UWorld* World = GetWorld();
    UNavigationSystemV1* NavSys = FNavigationSystem::GetCurrent<UNavigationSystemV1>(World);
    APawn* Pawn = OwnerComp.GetAIOwner()->GetPawn();
 
    if (NavSys && Pawn)
    {
        FSharedConstNavQueryFilter SharedFilter = nullptr;
 
        if (Filter)
        {
            const ANavigationData* NavData = NavSys->GetDefaultNavDataInstance(FNavigationSystem::DontCreate);
            if (NavData)
            {
                SharedFilter = UNavigationQueryFilter::GetQueryFilter(*NavData, World, Filter);
            }
        }
 
        const FVector Origin = Pawn->GetActorLocation();
        FNavLocation Destination;
 
        if (NavSys->GetRandomReachablePointInRadius(Origin, MaxDistance, Destination, nullptr, SharedFilter))
        {
            OwnerComp.GetBlackboardComponent()->SetValueAsVector(BlackboardKey.SelectedKeyName, Destination.Location);
            return EBTNodeResult::Succeeded;
        }
    }
 
    return EBTNodeResult::Failed;
}

◆ GetStaticDescription()

FString UALS_BTTask_GetRandomLocation::GetStaticDescription ( ) const

overridevirtual

{
    return FString::Printf(TEXT("Get Random Location\nMax Distance: %d\nFilter:%s"), FMath::RoundToInt(MaxDistance),
                           Filter ? *GetNameSafe(Filter.Get()) : TEXT("None"));
}

Member Data Documentation

◆ Filter

TSubclassOf<UNavigationQueryFilter> UALS_BTTask_GetRandomLocation::Filter = nullptr

Navigation Query filter used when picking the location, only picks locations reachable using this filter when assigned.

◆ MaxDistance

float UALS_BTTask_GetRandomLocation::MaxDistance = 1000.0f

Maximum distance the random location picked may be from pawn.

The documentation for this class was generated from the following files:

T:/Unreal/Unreal Projects/SpaceAdventure52/SpaceAdventure/Plugins/ALS-Community-main/Source/ALSV4_CPP/Public/AI/ALS_BTTask_GetRandomLocation.h
T:/Unreal/Unreal Projects/SpaceAdventure52/SpaceAdventure/Plugins/ALS-Community-main/Source/ALSV4_CPP/Private/AI/ALS_BTTask_GetRandomLocation.cpp

Public Member Functions

Public Attributes