Initial Agrarian Unreal project

2026-05-11 00:26:02 -07:00
commit 15f5cfc0f8
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+// Copyright Pacificao. All Rights Reserved.
+
+#include "AgrarianCampfire.h"
+#include "AgrarianGameCharacter.h"
+#include "AgrarianInventoryComponent.h"
+#include "AgrarianSurvivalComponent.h"
+#include "Components/PointLightComponent.h"
+#include "Components/StaticMeshComponent.h"
+#include "Kismet/GameplayStatics.h"
+#include "Net/UnrealNetwork.h"
+
+AAgrarianCampfire::AAgrarianCampfire()
+{
+	PrimaryActorTick.bCanEverTick = true;
+	bReplicates = true;
+
+	Mesh = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("Mesh"));
+	RootComponent = Mesh;
+
+	FireLight = CreateDefaultSubobject<UPointLightComponent>(TEXT("FireLight"));
+	FireLight->SetupAttachment(RootComponent);
+	FireLight->SetIntensity(0.0f);
+	FireLight->SetAttenuationRadius(WarmthRadius);
+	FireLight->SetLightColor(FLinearColor(1.0f, 0.45f, 0.18f));
+}
+
+void AAgrarianCampfire::Tick(float DeltaSeconds)
+{
+	Super::Tick(DeltaSeconds);
+
+	if (HasAuthority() && bLit)
+	{
+		FuelSeconds = FMath::Max(0.0f, FuelSeconds - DeltaSeconds);
+		if (FuelSeconds <= 0.0f)
+		{
+			bLit = false;
+			UpdateVisualState();
+		}
+
+		WarmNearbyCharacters(DeltaSeconds);
+	}
+}
+
+void AAgrarianCampfire::GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const
+{
+	Super::GetLifetimeReplicatedProps(OutLifetimeProps);
+	DOREPLIFETIME(AAgrarianCampfire, bLit);
+	DOREPLIFETIME(AAgrarianCampfire, FuelSeconds);
+}
+
+FText AAgrarianCampfire::GetInteractionText_Implementation(const AAgrarianGameCharacter* Interactor) const
+{
+	return bLit ? FText::FromString(TEXT("Add fuel")) : FText::FromString(TEXT("Light fire"));
+}
+
+bool AAgrarianCampfire::CanInteract_Implementation(const AAgrarianGameCharacter* Interactor) const
+{
+	return Interactor != nullptr;
+}
+
+void AAgrarianCampfire::Interact_Implementation(AAgrarianGameCharacter* Interactor)
+{
+	if (!HasAuthority() || !Interactor)
+	{
+		return;
+	}
+
+	UAgrarianInventoryComponent* Inventory = Interactor->GetInventoryComponent();
+	if (Inventory && Inventory->RemoveItem(TEXT("wood"), 1))
+	{
+		AddFuel(90.0f);
+		bLit = true;
+		UpdateVisualState();
+	}
+}
+
+void AAgrarianCampfire::AddFuel(float Seconds)
+{
+	if (HasAuthority())
+	{
+		FuelSeconds += FMath::Max(0.0f, Seconds);
+		if (FuelSeconds > 0.0f)
+		{
+			bLit = true;
+		}
+		UpdateVisualState();
+	}
+}
+
+void AAgrarianCampfire::OnRep_FireState()
+{
+	UpdateVisualState();
+}
+
+void AAgrarianCampfire::UpdateVisualState()
+{
+	if (FireLight)
+	{
+		FireLight->SetIntensity(bLit ? 4200.0f : 0.0f);
+	}
+}
+
+void AAgrarianCampfire::WarmNearbyCharacters(float DeltaSeconds)
+{
+	TArray<AActor*> Characters;
+	UGameplayStatics::GetAllActorsOfClass(this, AAgrarianGameCharacter::StaticClass(), Characters);
+
+	for (AActor* Actor : Characters)
+	{
+		AAgrarianGameCharacter* Character = Cast<AAgrarianGameCharacter>(Actor);
+		if (!Character || FVector::DistSquared(Character->GetActorLocation(), GetActorLocation()) > FMath::Square(WarmthRadius))
+		{
+			continue;
+		}
+
+		if (UAgrarianSurvivalComponent* SurvivalComponent = Character->GetSurvivalComponent())
+		{
+			SurvivalComponent->AddWarmth(WarmthPerSecond * DeltaSeconds);
+		}
+	}
+}