53 lines
2.1 KiB
C++
53 lines
2.1 KiB
C++
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "GameplayAbilityTargetActor_Interact.h"
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#include "DrawDebugHelpers.h"
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#include "GameFramework/LightWeightInstanceSubsystem.h"
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AGameplayAbilityTargetActor_Interact::AGameplayAbilityTargetActor_Interact(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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}
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FHitResult AGameplayAbilityTargetActor_Interact::PerformTrace(AActor* InSourceActor)
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{
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bool bTraceComplex = false;
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TArray<AActor*> ActorsToIgnore;
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ActorsToIgnore.Add(InSourceActor);
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FCollisionQueryParams Params(SCENE_QUERY_STAT(AGameplayAbilityTargetActor_SingleLineTrace), bTraceComplex);
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Params.bReturnPhysicalMaterial = true;
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Params.AddIgnoredActors(ActorsToIgnore);
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FVector TraceStart = StartLocation.GetTargetingTransform().GetLocation();// InSourceActor->GetActorLocation();
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FVector TraceEnd;
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AimWithPlayerController(InSourceActor, Params, TraceStart, TraceEnd); //Effective on server and launching client only
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// ------------------------------------------------------
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FHitResult ReturnHitResult;
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LineTraceWithFilter(ReturnHitResult, InSourceActor->GetWorld(), Filter, TraceStart, TraceEnd, TraceProfile.Name, Params);
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//Default to end of trace line if we don't hit anything.
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if (!ReturnHitResult.bBlockingHit)
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{
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ReturnHitResult.Location = TraceEnd;
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}
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if (AGameplayAbilityWorldReticle* LocalReticleActor = ReticleActor.Get())
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{
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const bool bHitActor = (ReturnHitResult.bBlockingHit && (ReturnHitResult.HitObjectHandle.IsValid()));
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const FVector ReticleLocation = (bHitActor && LocalReticleActor->bSnapToTargetedActor) ? FLightWeightInstanceSubsystem::Get().GetLocation(ReturnHitResult.HitObjectHandle) : ReturnHitResult.Location;
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LocalReticleActor->SetActorLocation(ReticleLocation);
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LocalReticleActor->SetIsTargetAnActor(bHitActor);
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}
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#if ENABLE_DRAW_DEBUG
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if (bDebug)
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{
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DrawDebugLine(GetWorld(), TraceStart, TraceEnd, FColor::Green);
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DrawDebugSphere(GetWorld(), TraceEnd, 100.0f, 16, FColor::Green);
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}
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#endif // ENABLE_DRAW_DEBUG
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return ReturnHitResult;
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}
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