Build a Quest Log - CorePhysicsEdge Docs

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What You Will Build

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Step 1: Bind the Events

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Step 2: Test in Play In Editor

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 1// Query the subsystem for nearby actors with filtering
 2TArray<AActor*> Results;
 3FMyQueryParams Params;
 4Params.Origin = GetActorLocation();
 5Params.Radius = 1000.0f;
 6Params.MaxResults = 10;
 7Params.bIncludeHidden = false;
 8Params.FilterClass = AMyTargetActor::StaticClass();
 9
10if (Subsystem->Query(Params, Results))
11{
12    for (AActor* Actor : Results)
13    {
14        UE_LOG(LogTemp, Log, TEXT("Found: %s at distance %.1f"),
15            *Actor->GetName(),
16            FVector::Dist(Params.Origin, Actor->GetActorLocation()));
17    }
18}

Step 3: Expose Values to Designers

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 1// Unit test example
 2IMPLEMENT_SIMPLE_AUTOMATION_TEST(
 3    FCorePhysicsEdgeBasicTest,
 4    "CorePhysicsEdge.Core.BasicFunctionality",
 5    EAutomationTestFlags::ApplicationContextMask | EAutomationTestFlags::ProductFilter
 6)
 7
 8bool FCorePhysicsEdgeBasicTest::RunTest(const FString& Parameters)
 9{
10    UCorePhysicsEdgeSubsystem* Subsystem = NewObject<UCorePhysicsEdgeSubsystem>();
11    TestNotNull(TEXT("Subsystem should be created"), Subsystem);
12
13    Subsystem->Initialize();
14    TestTrue(TEXT("Subsystem should be initialized"), Subsystem->IsInitialized());
15
16    FMyQueryParams Params;
17    Params.Radius = 500.0f;
18    TestTrue(TEXT("Query params should be valid"), Params.IsValid());
19
20    return true;
21}

Step 4: Handle the Edge Cases

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 1UCLASS(ClassGroup=(Custom), meta=(BlueprintSpawnableComponent))
 2class CORE_PHYSICS_EDGE_API UMyComponent : public UActorComponent
 3{
 4    GENERATED_BODY()
 5
 6public:
 7    UMyComponent();
 8
 9    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Settings")
10    float UpdateInterval = 0.1f;
11
12    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Settings")
13    bool bAutoActivate = true;
14
15    UFUNCTION(BlueprintCallable, Category = "CorePhysicsEdge")
16    void SetConfiguration(const FMyConfig& Config);
17
18protected:
19    virtual void BeginPlay() override;
20    virtual void TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;
21
22private:
23    FMyConfig CurrentConfig;
24    float TimeSinceLastUpdate = 0.0f;
25};

Next Steps

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