93 lines
3.4 KiB
C++
93 lines
3.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "AbilityTask_WaitForInteractableTargets_SingleLineTrace.h"
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#include "GameFramework/Actor.h"
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#include "Physics/LyraCollisionChannels.h"
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#include "Interaction/IInteractableTarget.h"
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#include "Interaction/InteractionStatics.h"
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#include "Interaction/InteractionQuery.h"
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#include "AbilitySystemComponent.h"
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#include "DrawDebugHelpers.h"
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#include "Engine/World.h"
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#include "TimerManager.h"
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UAbilityTask_WaitForInteractableTargets_SingleLineTrace::UAbilityTask_WaitForInteractableTargets_SingleLineTrace(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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}
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UAbilityTask_WaitForInteractableTargets_SingleLineTrace* UAbilityTask_WaitForInteractableTargets_SingleLineTrace::WaitForInteractableTargets_SingleLineTrace(UGameplayAbility* OwningAbility, FInteractionQuery InteractionQuery, FCollisionProfileName TraceProfile, FGameplayAbilityTargetingLocationInfo StartLocation, float InteractionScanRange, float InteractionScanRate, bool bShowDebug)
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{
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UAbilityTask_WaitForInteractableTargets_SingleLineTrace* MyObj = NewAbilityTask<UAbilityTask_WaitForInteractableTargets_SingleLineTrace>(OwningAbility);
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MyObj->InteractionScanRange = InteractionScanRange;
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MyObj->InteractionScanRate = InteractionScanRate;
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MyObj->StartLocation = StartLocation;
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MyObj->InteractionQuery = InteractionQuery;
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MyObj->TraceProfile = TraceProfile;
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MyObj->bShowDebug = bShowDebug;
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return MyObj;
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}
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void UAbilityTask_WaitForInteractableTargets_SingleLineTrace::Activate()
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{
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SetWaitingOnAvatar();
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UWorld* World = GetWorld();
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World->GetTimerManager().SetTimer(TimerHandle, this, &ThisClass::PerformTrace, InteractionScanRate, true);
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}
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void UAbilityTask_WaitForInteractableTargets_SingleLineTrace::OnDestroy(bool AbilityEnded)
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{
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Super::OnDestroy(AbilityEnded);
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UWorld* World = GetWorld();
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World->GetTimerManager().ClearTimer(TimerHandle);
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}
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void UAbilityTask_WaitForInteractableTargets_SingleLineTrace::PerformTrace()
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{
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AActor* AvatarActor = Ability->GetCurrentActorInfo()->AvatarActor.Get();
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if (!AvatarActor)
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{
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return;
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}
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UWorld* World = GetWorld();
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TArray<AActor*> ActorsToIgnore;
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ActorsToIgnore.Add(AvatarActor);
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const bool bTraceComplex = false;
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FCollisionQueryParams Params(SCENE_QUERY_STAT(UAbilityTask_WaitForInteractableTargets_SingleLineTrace), bTraceComplex);
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Params.AddIgnoredActors(ActorsToIgnore);
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FVector TraceStart = StartLocation.GetTargetingTransform().GetLocation();
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FVector TraceEnd;
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AimWithPlayerController(AvatarActor, Params, TraceStart, InteractionScanRange, OUT TraceEnd);
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FHitResult OutHitResult;
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LineTrace(OutHitResult, World, TraceStart, TraceEnd, TraceProfile.Name, Params);
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TArray<TScriptInterface<IInteractableTarget>> InteractableTargets;
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UInteractionStatics::AppendInteractableTargetsFromHitResult(OutHitResult, InteractableTargets);
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UpdateInteractableOptions(InteractionQuery, InteractableTargets);
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#if ENABLE_DRAW_DEBUG
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if (bShowDebug)
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{
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FColor DebugColor = OutHitResult.bBlockingHit ? FColor::Red : FColor::Green;
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if (OutHitResult.bBlockingHit)
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{
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DrawDebugLine(World, TraceStart, OutHitResult.Location, DebugColor, false, InteractionScanRate);
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DrawDebugSphere(World, OutHitResult.Location, 5, 16, DebugColor, false, InteractionScanRate);
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}
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else
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{
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DrawDebugLine(World, TraceStart, TraceEnd, DebugColor, false, InteractionScanRate);
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}
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}
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#endif // ENABLE_DRAW_DEBUG
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}
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