71 - The Hit Target
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@ -20,7 +20,7 @@ ABlasterCharacter::ABlasterCharacter()
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CameraBoom = CreateDefaultSubobject<USpringArmComponent>(TEXT("CameraBoom"));
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CameraBoom->SetupAttachment(GetMesh());
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CameraBoom->TargetArmLength = 600.f;
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CameraBoom->TargetArmLength = 350.f;
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CameraBoom->bUsePawnControlRotation = true;
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FollowCamera = CreateDefaultSubobject<UCameraComponent>(TEXT("FollowCamera"));
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@ -7,11 +7,12 @@
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#include "Blaster/Weapon/Weapon.h"
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#include "Engine/SkeletalMeshSocket.h"
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#include "GameFramework/CharacterMovementComponent.h"
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#include "Kismet/GameplayStatics.h"
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#include "Net/UnrealNetwork.h"
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UCombatComponent::UCombatComponent()
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{
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PrimaryComponentTick.bCanEverTick = false;
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PrimaryComponentTick.bCanEverTick = true;
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BaseWalkSpeed = 600.f;
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AimWalkSpeed = 350.f;
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@ -73,6 +74,52 @@ void UCombatComponent::FireButtonPressed(bool bPressed)
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}
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}
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void UCombatComponent::TraceUnderCrosshairs(FHitResult& TraceHitResult)
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{
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FVector2d ViewPortSize;
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if (GEngine && GEngine->GameViewport)
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{
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GEngine->GameViewport->GetViewportSize(ViewPortSize);
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}
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FVector2d CrosshairLocation(ViewPortSize.X / 2.f, ViewPortSize.Y / 2.0f);
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FVector CrosshairWorldPosition;
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FVector CrosshairWorldDirection;
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bool bScreenToWorld = UGameplayStatics::DeprojectScreenToWorld(
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UGameplayStatics::GetPlayerController(this, 0),
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CrosshairLocation,
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CrosshairWorldPosition,
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CrosshairWorldDirection
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);
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if (bScreenToWorld)
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{
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FVector Start = CrosshairWorldPosition;
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FVector End = Start + CrosshairWorldDirection * TRACE_LENGTH;
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GetWorld()->LineTraceSingleByChannel(
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TraceHitResult,
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Start,
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End,
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ECollisionChannel::ECC_Visibility
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);
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if (!TraceHitResult.bBlockingHit)
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{
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TraceHitResult.ImpactPoint = End;
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}
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else
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{
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DrawDebugSphere(
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GetWorld(),
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TraceHitResult.ImpactPoint,
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12.f,
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12,
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FColor::Red
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);
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}
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}
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}
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void UCombatComponent::ServerFire_Implementation()
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{
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MulticastFire();
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@ -92,6 +139,8 @@ void UCombatComponent::TickComponent(float DeltaTime, ELevelTick TickType, FActo
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{
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Super::TickComponent(DeltaTime, TickType, ThisTickFunction);
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FHitResult HitResult;
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TraceUnderCrosshairs(HitResult);
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}
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void UCombatComponent::EquipWeapon(AWeapon* WeaponToEquip)
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@ -6,6 +6,7 @@
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#include "Components/ActorComponent.h"
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#include "CombatComponent.generated.h"
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#define TRACE_LENGTH 80000
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UCLASS( ClassGroup=(Custom), meta=(BlueprintSpawnableComponent) )
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class BLASTER_API UCombatComponent : public UActorComponent
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@ -38,6 +39,8 @@ protected:
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UFUNCTION(NetMulticast, Reliable)
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void MulticastFire();
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void TraceUnderCrosshairs(FHitResult& TraceHitResult);
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private:
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class ABlasterCharacter* Character;
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