File size: 2,258 Bytes
7fd553e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | // Copyright Epic Games, Inc. All Rights Reserved.
#include "GameplayAbilityTargetActor_Interact.h"
#include "Async/TaskGraphInterfaces.h"
#include "DrawDebugHelpers.h"
#include "CollisionQueryParams.h"
#include "GameFramework/LightWeightInstanceSubsystem.h"
#include UE_INLINE_GENERATED_CPP_BY_NAME(GameplayAbilityTargetActor_Interact)
AGameplayAbilityTargetActor_Interact::AGameplayAbilityTargetActor_Interact(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer)
{
}
FHitResult AGameplayAbilityTargetActor_Interact::PerformTrace(AActor* InSourceActor)
{
bool bTraceComplex = false;
TArray<AActor*> ActorsToIgnore;
ActorsToIgnore.Add(InSourceActor);
FCollisionQueryParams Params(SCENE_QUERY_STAT(AGameplayAbilityTargetActor_SingleLineTrace), bTraceComplex);
Params.bReturnPhysicalMaterial = true;
Params.AddIgnoredActors(ActorsToIgnore);
FVector TraceStart = StartLocation.GetTargetingTransform().GetLocation();// InSourceActor->GetActorLocation();
FVector TraceEnd;
AimWithPlayerController(InSourceActor, Params, TraceStart, TraceEnd); //Effective on server and launching client only
// ------------------------------------------------------
FHitResult ReturnHitResult;
LineTraceWithFilter(ReturnHitResult, InSourceActor->GetWorld(), Filter, TraceStart, TraceEnd, TraceProfile.Name, Params);
//Default to end of trace line if we don't hit anything.
if (!ReturnHitResult.bBlockingHit)
{
ReturnHitResult.Location = TraceEnd;
}
if (AGameplayAbilityWorldReticle* LocalReticleActor = ReticleActor.Get())
{
const bool bHitActor = (ReturnHitResult.bBlockingHit && (ReturnHitResult.HitObjectHandle.IsValid()));
const FVector ReticleLocation = (bHitActor && LocalReticleActor->bSnapToTargetedActor) ? FLightWeightInstanceSubsystem::Get().GetLocation(ReturnHitResult.HitObjectHandle) : ReturnHitResult.Location;
LocalReticleActor->SetActorLocation(ReticleLocation);
LocalReticleActor->SetIsTargetAnActor(bHitActor);
}
#if ENABLE_DRAW_DEBUG
if (bDebug)
{
DrawDebugLine(GetWorld(), TraceStart, TraceEnd, FColor::Green);
DrawDebugSphere(GetWorld(), TraceEnd, 100.0f, 16, FColor::Green);
}
#endif // ENABLE_DRAW_DEBUG
return ReturnHitResult;
}
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