104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
// Copyright Pacificao. All Rights Reserved.
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#include "AgrarianMapBoundaryVolume.h"
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#include "AgrarianGameCharacter.h"
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#include "Components/BoxComponent.h"
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#include "GameFramework/CharacterMovementComponent.h"
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#include "Kismet/GameplayStatics.h"
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AAgrarianMapBoundaryVolume::AAgrarianMapBoundaryVolume()
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{
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PrimaryActorTick.bCanEverTick = true;
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bReplicates = false;
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BoundaryVolume = CreateDefaultSubobject<UBoxComponent>(TEXT("BoundaryVolume"));
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RootComponent = BoundaryVolume;
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BoundaryVolume->SetBoxExtent(FVector(50000.0f, 50000.0f, 25000.0f));
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BoundaryVolume->SetCollisionEnabled(ECollisionEnabled::NoCollision);
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BoundaryVolume->SetHiddenInGame(true);
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BoundaryVolume->ShapeColor = FColor::Yellow;
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}
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void AAgrarianMapBoundaryVolume::Tick(float DeltaSeconds)
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{
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Super::Tick(DeltaSeconds);
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if (!HasAuthority() || !bClampPlayersAtBoundary)
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{
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return;
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}
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TArray<AActor*> Characters;
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UGameplayStatics::GetAllActorsOfClass(this, AAgrarianGameCharacter::StaticClass(), Characters);
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for (AActor* Actor : Characters)
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{
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EnforceBoundaryForCharacter(Cast<AAgrarianGameCharacter>(Actor));
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}
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}
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bool AAgrarianMapBoundaryVolume::IsLocationOutsideBoundary(const FVector& WorldLocation) const
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{
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if (!BoundaryVolume)
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{
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return false;
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}
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const FVector LocalLocation = GetActorTransform().InverseTransformPosition(WorldLocation);
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const FVector Extent = BoundaryVolume->GetUnscaledBoxExtent();
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return FMath::Abs(LocalLocation.X) > Extent.X
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|| FMath::Abs(LocalLocation.Y) > Extent.Y
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|| FMath::Abs(LocalLocation.Z) > Extent.Z;
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}
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bool AAgrarianMapBoundaryVolume::IsLocationInsideWarningZone(const FVector& WorldLocation) const
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{
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if (!BoundaryVolume)
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{
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return false;
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}
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const FVector LocalLocation = GetActorTransform().InverseTransformPosition(WorldLocation);
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const FVector Extent = BoundaryVolume->GetUnscaledBoxExtent();
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if (FMath::Abs(LocalLocation.X) > Extent.X || FMath::Abs(LocalLocation.Y) > Extent.Y)
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{
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return true;
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}
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return FMath::Abs(LocalLocation.X) >= Extent.X - WarningDistanceCm
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|| FMath::Abs(LocalLocation.Y) >= Extent.Y - WarningDistanceCm;
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}
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FVector AAgrarianMapBoundaryVolume::ClampLocationToBoundary(const FVector& WorldLocation) const
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{
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if (!BoundaryVolume)
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{
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return WorldLocation;
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}
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const FVector Extent = BoundaryVolume->GetUnscaledBoxExtent();
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const float SafePadding = FMath::Clamp(BoundaryPaddingCm, 0.0f, FMath::Min(Extent.X, Extent.Y) * 0.5f);
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const FVector LocalLocation = GetActorTransform().InverseTransformPosition(WorldLocation);
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const FVector ClampedLocalLocation(
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FMath::Clamp(LocalLocation.X, -Extent.X + SafePadding, Extent.X - SafePadding),
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FMath::Clamp(LocalLocation.Y, -Extent.Y + SafePadding, Extent.Y - SafePadding),
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FMath::Clamp(LocalLocation.Z, -Extent.Z + SafePadding, Extent.Z - SafePadding));
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return GetActorTransform().TransformPosition(ClampedLocalLocation);
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}
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void AAgrarianMapBoundaryVolume::EnforceBoundaryForCharacter(AAgrarianGameCharacter* Character) const
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{
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if (!Character || !IsLocationOutsideBoundary(Character->GetActorLocation()))
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{
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return;
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}
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const FVector ClampedLocation = ClampLocationToBoundary(Character->GetActorLocation());
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Character->TeleportTo(ClampedLocation, Character->GetActorRotation(), false, true);
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if (UCharacterMovementComponent* Movement = Character->GetCharacterMovement())
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{
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Movement->StopMovementImmediately();
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}
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}
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