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| #include "LyraCharacterMovementComponent.h"
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| #include "AbilitySystemComponent.h"
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| #include "AbilitySystemGlobals.h"
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| #include "Components/CapsuleComponent.h"
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| #include "Engine/World.h"
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| #include "GameFramework/Character.h"
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| #include UE_INLINE_GENERATED_CPP_BY_NAME(LyraCharacterMovementComponent)
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| UE_DEFINE_GAMEPLAY_TAG(TAG_Gameplay_MovementStopped, "Gameplay.MovementStopped");
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| namespace LyraCharacter
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| {
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| static float GroundTraceDistance = 100000.0f;
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| FAutoConsoleVariableRef CVar_GroundTraceDistance(TEXT("LyraCharacter.GroundTraceDistance"), GroundTraceDistance, TEXT("Distance to trace down when generating ground information."), ECVF_Cheat);
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| };
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| ULyraCharacterMovementComponent::ULyraCharacterMovementComponent(const FObjectInitializer& ObjectInitializer)
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| : Super(ObjectInitializer)
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| {
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| }
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| void ULyraCharacterMovementComponent::SimulateMovement(float DeltaTime)
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| {
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| if (bHasReplicatedAcceleration)
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| {
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| const FVector OriginalAcceleration = Acceleration;
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| Super::SimulateMovement(DeltaTime);
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| Acceleration = OriginalAcceleration;
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| }
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| else
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| {
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| Super::SimulateMovement(DeltaTime);
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| }
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| }
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| bool ULyraCharacterMovementComponent::CanAttemptJump() const
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| {
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| return IsJumpAllowed() &&
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| (IsMovingOnGround() || IsFalling());
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| }
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| void ULyraCharacterMovementComponent::InitializeComponent()
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| {
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| Super::InitializeComponent();
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| }
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| const FLyraCharacterGroundInfo& ULyraCharacterMovementComponent::GetGroundInfo()
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| {
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| if (!CharacterOwner || (GFrameCounter == CachedGroundInfo.LastUpdateFrame))
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| {
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| return CachedGroundInfo;
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| }
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| if (MovementMode == MOVE_Walking)
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| {
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| CachedGroundInfo.GroundHitResult = CurrentFloor.HitResult;
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| CachedGroundInfo.GroundDistance = 0.0f;
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| }
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| else
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| {
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| const UCapsuleComponent* CapsuleComp = CharacterOwner->GetCapsuleComponent();
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| check(CapsuleComp);
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| const float CapsuleHalfHeight = CapsuleComp->GetUnscaledCapsuleHalfHeight();
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| const ECollisionChannel CollisionChannel = (UpdatedComponent ? UpdatedComponent->GetCollisionObjectType() : ECC_Pawn);
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| const FVector TraceStart(GetActorLocation());
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| const FVector TraceEnd(TraceStart.X, TraceStart.Y, (TraceStart.Z - LyraCharacter::GroundTraceDistance - CapsuleHalfHeight));
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| FCollisionQueryParams QueryParams(SCENE_QUERY_STAT(LyraCharacterMovementComponent_GetGroundInfo), false, CharacterOwner);
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| FCollisionResponseParams ResponseParam;
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| InitCollisionParams(QueryParams, ResponseParam);
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| FHitResult HitResult;
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| GetWorld()->LineTraceSingleByChannel(HitResult, TraceStart, TraceEnd, CollisionChannel, QueryParams, ResponseParam);
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| CachedGroundInfo.GroundHitResult = HitResult;
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| CachedGroundInfo.GroundDistance = LyraCharacter::GroundTraceDistance;
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| if (MovementMode == MOVE_NavWalking)
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| {
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| CachedGroundInfo.GroundDistance = 0.0f;
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| }
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| else if (HitResult.bBlockingHit)
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| {
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| CachedGroundInfo.GroundDistance = FMath::Max((HitResult.Distance - CapsuleHalfHeight), 0.0f);
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| }
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| }
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| CachedGroundInfo.LastUpdateFrame = GFrameCounter;
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| return CachedGroundInfo;
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| }
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| void ULyraCharacterMovementComponent::SetReplicatedAcceleration(const FVector& InAcceleration)
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| {
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| bHasReplicatedAcceleration = true;
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| Acceleration = InAcceleration;
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| }
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| FRotator ULyraCharacterMovementComponent::GetDeltaRotation(float DeltaTime) const
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| {
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| if (UAbilitySystemComponent* ASC = UAbilitySystemGlobals::GetAbilitySystemComponentFromActor(GetOwner()))
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| {
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| if (ASC->HasMatchingGameplayTag(TAG_Gameplay_MovementStopped))
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| {
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| return FRotator(0,0,0);
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| }
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| }
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| return Super::GetDeltaRotation(DeltaTime);
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| }
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| float ULyraCharacterMovementComponent::GetMaxSpeed() const
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| {
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| if (UAbilitySystemComponent* ASC = UAbilitySystemGlobals::GetAbilitySystemComponentFromActor(GetOwner()))
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| {
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| if (ASC->HasMatchingGameplayTag(TAG_Gameplay_MovementStopped))
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| {
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| return 0;
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| }
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| }
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| return Super::GetMaxSpeed();
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| }
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