Inital Commit

Source/NesiAndMyProject/MyClass.cpp

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+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "MyClass.h"
+
+MyClass::MyClass()
+{
+}
+
+MyClass::~MyClass()
+{
+}

Source/NesiAndMyProject/MyClass.h

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+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+
+/**
+ * 
+ */
+class NESIANDMYPROJECT_API MyClass
+{
+public:
+	MyClass();
+	~MyClass();
+};

Source/NesiAndMyProject/NesiAndMyProject.Build.cs

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+// Fill out your copyright notice in the Description page of Project Settings.
+
+using UnrealBuildTool;
+
+public class NesiAndMyProject : ModuleRules
+{
+	public NesiAndMyProject(ReadOnlyTargetRules Target) : base(Target)
+	{
+		PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;
+	
+		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore" , "Niagara" });
+
+		PrivateDependencyModuleNames.AddRange(new string[] {  });
+
+
+        // Uncomment if you are using Slate UI
+        // PrivateDependencyModuleNames.AddRange(new string[] { "Slate", "SlateCore" });
+
+        // Uncomment if you are using online features
+        // PrivateDependencyModuleNames.Add("OnlineSubsystem");
+
+        // To include OnlineSubsystemSteam, add it to the plugins section in your uproject file with the Enabled attribute set to true
+    }
+}

Source/NesiAndMyProject/NesiAndMyProject.cpp

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+// Fill out your copyright notice in the Description page of Project Settings.
+
+#include "NesiAndMyProject.h"
+#include "Modules/ModuleManager.h"
+
+IMPLEMENT_PRIMARY_GAME_MODULE( FDefaultGameModuleImpl, NesiAndMyProject, "NesiAndMyProject" );

Source/NesiAndMyProject/NesiAndMyProject.h

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+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+

Source/NesiAndMyProject/Private/MyActorComponent.cpp

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+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "MyActorComponent.h"
+
+// Sets default values for this component's properties
+UMyActorComponent::UMyActorComponent()
+{
+	// Set this component to be initialized when the game starts, and to be ticked every frame.  You can turn these features
+	// off to improve performance if you don't need them.
+	PrimaryComponentTick.bCanEverTick = true;
+
+}
+
+
+// Called when the game starts
+void UMyActorComponent::BeginPlay()
+{
+	Super::BeginPlay();
+
+	// ...
+	
+}
+
+
+// Called every frame
+void UMyActorComponent::TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction)
+{
+	Super::TickComponent(DeltaTime, TickType, ThisTickFunction);
+
+	// ...
+}
+

Source/NesiAndMyProject/Private/WheatherSystem.cpp

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+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "WheatherSystem.h"
+#include <Camera/CameraComponent.h>
+
+// Sets default values
+AWheatherSystem::AWheatherSystem()
+{
+ 	// Set this actor to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
+	PrimaryActorTick.bCanEverTick = true;
+
+	RainComponent = CreateDefaultSubobject<UNiagaraComponent>(TEXT("RainComponent"));
+
+	SnowComponent = CreateDefaultSubobject<UNiagaraComponent>(TEXT("SnowComponent"));
+
+	RainComponent->bAutoActivate = false;
+	SnowComponent->bAutoActivate = false;
+	RainComponent->Deactivate();
+	SnowComponent->Deactivate();
+
+	SetActorLocation(FVector(0, 0, 0));
+
+	if (Sun != NULL && DayCurve != NULL && Moon != NULL) {
+		FRotator* SunRotation = new FRotator(0.0, 0.0, 0.0);
+		FRotator* MoonRotation = new FRotator(0.0, 0.0, 0.0);
+
+		SunRotation->Pitch = DayCurve->GetFloatValue(CurrentTime);
+		MoonRotation->Pitch = DayCurve->GetFloatValue(CurrentTime) * -1;
+
+		Moon->SetActorRotation(*MoonRotation);
+		Sun->SetActorRotation(*SunRotation);
+
+		UpdateWeather();
+	}
+
+}
+
+// Called when the game starts or when spawned
+void AWheatherSystem::BeginPlay()
+{
+	Super::BeginPlay();
+	OneHoure = (DayLengthMiutes * 60) / 24;
+	APawn* PlayerPawn = UGameplayStatics::GetPlayerPawn(this, 0);
+	USceneComponent* PlayerRoot = PlayerPawn->GetRootComponent();
+	UCameraComponent* PlayerCamera = PlayerPawn->FindComponentByClass<UCameraComponent>();
+
+	RainComponent->AttachToComponent(PlayerCamera, FAttachmentTransformRules(EAttachmentRule::SnapToTarget, EAttachmentRule::KeepRelative, EAttachmentRule::KeepRelative, true));
+	SnowComponent->AttachToComponent(PlayerCamera, FAttachmentTransformRules(EAttachmentRule::SnapToTarget, EAttachmentRule::KeepRelative, EAttachmentRule::KeepRelative, true));
+	const FNiagaraParameterStore& RainParameterStore = RainComponent->GetOverrideParameters();
+	const FNiagaraParameterStore& SnowParameterStore = SnowComponent->GetOverrideParameters();
+	FNiagaraVariable Variable(FNiagaraTypeDefinition::GetFloatDef(), "SpawnRate");
+	RainParameterStore.GetParameterValue(MaxRain, Variable);
+	SnowParameterStore.GetParameterValue(MaxSnow, Variable);
+}
+
+// Called every frame
+void AWheatherSystem::Tick(float DeltaTime)
+{
+
+	Super::Tick(DeltaTime);
+
+	double newTime = CurrentTime + (DeltaTime / OneHoure);
+
+	if (newTime > 24) {
+		newTime = newTime - 24;
+	}
+
+	CurrentTime = newTime;
+
+	if (Sun != NULL && DayCurve != NULL && Moon != NULL) {
+
+		FRotator* SunRotation = new FRotator(0.0, 0.0, 0.0);
+		FRotator* MoonRotation = new FRotator(0.0, 0.0, 0.0);
+
+		// Sonnenbewegung
+		SunRotation->Pitch = DayCurve->GetFloatValue(CurrentTime);
+
+		// Mondbewegung
+		MoonRotation->Pitch = SunRotation->Pitch - 180.0f;
+
+		//Rotationen anwenden
+		Sun->SetActorRotation(*SunRotation);
+		Moon->SetActorRotation(*MoonRotation);
+
+		UpdateWeather();
+	}
+}
+
+void AWheatherSystem::UpdateWeather() {
+	if (SunlightItensity != NULL && SkylightIntensity != NULL && WeatherTypeCurve != NULL) {
+
+		float weatherType = WeatherTypeCurve->GetFloatValue(CurrentTime);
+
+		Sun->GetLightComponent()->SetIntensity(
+			FMath::Lerp(
+				SunlightItensity->GetVectorValue(CurrentTime).X, 
+				SunlightItensity->GetVectorValue(CurrentTime).Y,
+				weatherType));
+
+		SkyLight->GetLightComponent()->SetIntensity(
+			FMath::Lerp(
+				SkylightIntensity->GetVectorValue(CurrentTime).X,
+				SkylightIntensity->GetVectorValue(CurrentTime).Y,
+				weatherType));
+
+	}
+
+	UpdateRain();
+	UpdateSnow();
+	UpdateFog();
+
+	Sun->GetLightComponent()->SetEnableLightShaftBloom(CurrentTime > 6.0 && CurrentTime < 18.0);
+	Sun->GetComponent()->SetEnableLightShaftOcclusion(CurrentTime > 6.0 && CurrentTime < 18.0);
+}
+
+void AWheatherSystem::UpdateRain()
+{
+	if (bRain){
+		if (RainTimelineCurve != NULL) {
+			float CurrentIntensity = RainTimelineCurve->GetFloatValue(CurrentTime);
+			if (CurrentIntensity <= 0.000001) {
+				RainComponent->Deactivate();
+			}
+			else {
+				RainComponent->Activate();
+				RainComponent->SetFloatParameter("SpawnRate", MaxRain * CurrentIntensity);
+			}
+		}
+	}
+	else {
+		RainComponent->Deactivate();
+	}
+}
+
+void AWheatherSystem::UpdateSnow()
+{
+	if (bSnow){
+		if (SnowTimelineCurve != NULL) {
+			float CurrentIntensity = SnowTimelineCurve->GetFloatValue(CurrentTime);
+			if (CurrentIntensity <= 0.000001) {
+				SnowComponent->Deactivate();
+			}
+			else {
+				SnowComponent->Activate();
+				SnowComponent->SetFloatParameter("SpawnRate", MaxSnow * CurrentIntensity);
+			}
+		}
+	}
+	else {
+		SnowComponent->Deactivate();
+	}
+}
+
+void AWheatherSystem::UpdateFog()
+{
+	if (Fog != NULL) {
+		UExponentialHeightFogComponent* FogComponent = Fog->GetComponent();
+		if (bFog) {
+			if (FogTimelineCurve != NULL) {
+				
+				FogComponent->SetFogDensity(FogTimelineCurve->GetFloatValue(CurrentTime));
+			}
+		}
+		else {
+			FogComponent->SetFogDensity(0.005);
+		}
+		if (FogHeightFalloffCurve != NULL) {
+			FogComponent->SetFogHeightFalloff(FogHeightFalloffCurve->GetFloatValue(CurrentTime));
+		}
+	}
+}

Source/NesiAndMyProject/Public/MyActorComponent.h

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+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Components/ActorComponent.h"
+#include "MyActorComponent.generated.h"
+
+
+UCLASS( ClassGroup=(Custom), meta=(BlueprintSpawnableComponent) )
+class NESIANDMYPROJECT_API UMyActorComponent : public UActorComponent
+{
+	GENERATED_BODY()
+
+public:	
+	// Sets default values for this component's properties
+	UMyActorComponent();
+
+protected:
+	// Called when the game starts
+	virtual void BeginPlay() override;
+
+public:	
+	// Called every frame
+	virtual void TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;
+
+		
+};

Source/NesiAndMyProject/Public/WheatherSystem.h

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+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "GameFramework/Actor.h"
+#include "Engine/DirectionalLight.h"
+#include "Components/DirectionalLightComponent.h"
+#include "Engine/SkyLight.h"
+#include "Components/SkyLightComponent.h"
+#include "Engine/ExponentialHeightFog.h"
+#include <Components/SkyAtmosphereComponent.h>
+#include "Components/ExponentialHeightFogComponent.h"
+#include <Curves/CurveVector.h>
+#include "NiagaraComponent.h"
+#include "Kismet/GameplayStatics.h"
+#include "GameFramework/Pawn.h"
+#include "Components/SceneComponent.h"
+#include "WheatherSystem.generated.h"
+
+/** Please add a class description */
+UCLASS(Blueprintable, BlueprintType)
+class NESIANDMYPROJECT_API AWheatherSystem : public AActor
+{
+	GENERATED_BODY()	
+public:	
+	// Sets default values for this actor's properties
+	AWheatherSystem();
+
+protected:
+	// Called when the game starts or when spawned
+	virtual void BeginPlay() override;
+
+public:	
+	// Called every frame
+	virtual void Tick(float DeltaTime) override;
+
+public:
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadOnly, VisibleAnywhere, Category = "Components")
+	TObjectPtr<UNiagaraComponent> RainComponent;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadOnly, VisibleAnywhere, Category = "Components")
+	TObjectPtr<UNiagaraComponent> SnowComponent;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadWrite, EditInstanceOnly, Category = "Standard")
+	TObjectPtr<ADirectionalLight> Sun;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadWrite, EditInstanceOnly, Category = "Standard")
+	TObjectPtr<ADirectionalLight> Moon;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadWrite, EditInstanceOnly, Category = "Standard")
+	TObjectPtr<ASkyLight> SkyLight;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadWrite, EditInstanceOnly, Category = "Standard")
+	TObjectPtr<ASkyAtmosphere> SkyAtmosphere;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadWrite, EditInstanceOnly, Category = "Standard")
+	TObjectPtr<AExponentialHeightFog> Fog;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Standard")
+	double CurrentTime;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Standard")
+	double DayLengthMiutes;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadWrite, EditDefaultsOnly, Category = "Standard")
+	TObjectPtr<UCurveFloat> DayCurve;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadWrite, EditDefaultsOnly, Category = "Standard")
+	double OneHoure;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadWrite, EditDefaultsOnly, Category = "Standard")
+	TObjectPtr<UCurveVector> SunlightItensity;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadWrite, EditDefaultsOnly, Category = "Standard")
+	TObjectPtr<UCurveVector> SkylightIntensity;
+	/** Please add a variable description */
+	UPROPERTY(BlueprintReadWrite, EditDefaultsOnly, Category = "Standard")
+	TObjectPtr<UCurveFloat> WeatherTypeCurve;
+
+	UPROPERTY(BlueprintReadWrite, EditDefaultsOnly, Category = "Standard")
+	TObjectPtr<UCurveFloat> FogTimelineCurve;
+
+	UPROPERTY(BlueprintReadWrite, EditDefaultsOnly, Category = "Standard")
+	TObjectPtr<UCurveFloat> RainTimelineCurve;
+
+	UPROPERTY(BlueprintReadWrite, EditDefaultsOnly, Category = "Standard")
+	TObjectPtr<UCurveFloat> SnowTimelineCurve;
+
+	UPROPERTY(BlueprintReadWrite, EditDefaultsOnly, Category = "Standard")
+	TObjectPtr<UCurveFloat> FogHeightFalloffCurve;
+
+	UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Standard")
+	bool bFog = false;
+
+	UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Standard")
+	bool bRain = false;
+
+	UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Standard")
+	bool bSnow = false;
+
+ private:
+	 void UpdateWeather();
+	 void UpdateRain();
+	 void UpdateSnow();
+	 void UpdateFog();
+	 float MaxSnow = 0.0;
+	 float MaxRain = 0.0;
+};