From 66a782609d8e01cd64a941a4ddae9bae0f1c68c1 Mon Sep 17 00:00:00 2001
From: baz <bazzadobs@live.co.uk>
Date: Thu, 6 Jun 2024 00:12:02 +0100
Subject: [PATCH] Add SplineCameraVolume

---
 Source/tank/CameraVolume.cpp       |  8 ++++----
 Source/tank/CameraVolume.h         |  6 ++----
 Source/tank/SplineCameraVolume.cpp | 31 ++++++++++++++++++++++++++++++
 Source/tank/SplineCameraVolume.h   | 27 ++++++++++++++++++++++++++
 4 files changed, 64 insertions(+), 8 deletions(-)
 create mode 100644 Source/tank/SplineCameraVolume.cpp
 create mode 100644 Source/tank/SplineCameraVolume.h

diff --git a/Source/tank/CameraVolume.cpp b/Source/tank/CameraVolume.cpp
index 4aa5f29..5d1a36e 100644
--- a/Source/tank/CameraVolume.cpp
+++ b/Source/tank/CameraVolume.cpp
@@ -10,7 +10,7 @@
 ACameraVolume::ACameraVolume()
 {
 	PrimaryActorTick.bCanEverTick = true;
-	
+
 	ArrowComponent = CreateDefaultSubobject<UArrowComponent>(TEXT("Arrow Component"));
 	ArrowComponent->SetupAttachment(RootComponent);
 
@@ -23,7 +23,7 @@ void ACameraVolume::BeginPlay()
 {
 	Super::BeginPlay();
 	this->OnActorBeginOverlap.AddDynamic(this, &ACameraVolume::OnBeginOverlap);
-	this->OnActorEndOverlap.AddDynamic(this, &ACameraVolume::ACameraVolume::OnEndOverlap);
+	this->OnActorEndOverlap.AddDynamic(this, &ACameraVolume::OnEndOverlap);
 }
 
 void ACameraVolume::Tick(float DeltaSeconds)
@@ -62,7 +62,7 @@ void ACameraVolume::OnBeginOverlap(AActor* OverlappedActor, AActor* OtherActor)
 	{
 		TankPlayerCharacter = PlayerCharacter;
 		IsActive = true;
-		
+
 		auto CameraManagerSubsystem = GetGameInstance()->GetSubsystem<UCameraManagerSubsystem>();
 		CameraManagerSubsystem->SetCurrentCameraVolume(this);
 	}
@@ -72,7 +72,7 @@ void ACameraVolume::OnEndOverlap(AActor* OverlappedActor, AActor* OtherActor)
 {
 	IsActive = false;
 	TankPlayerCharacter = nullptr;
-	
+
 	auto CameraManagerSubsystem = GetGameInstance()->GetSubsystem<UCameraManagerSubsystem>();
 	CameraManagerSubsystem->RemoveCameraVolume(this);
 }
diff --git a/Source/tank/CameraVolume.h b/Source/tank/CameraVolume.h
index 516793f..c9f25c6 100644
--- a/Source/tank/CameraVolume.h
+++ b/Source/tank/CameraVolume.h
@@ -26,17 +26,15 @@ public:
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite)
 	bool FollowPlayer = false;
-	
-private:
 
+protected:
 	UPROPERTY()
 	bool IsActive = false;
 
 	UPROPERTY()
 	ATankPlayerCharacter* TankPlayerCharacter = nullptr;
-	
+
 public:
-	
 	ACameraVolume();
 
 protected:
diff --git a/Source/tank/SplineCameraVolume.cpp b/Source/tank/SplineCameraVolume.cpp
new file mode 100644
index 0000000..9447e14
--- /dev/null
+++ b/Source/tank/SplineCameraVolume.cpp
@@ -0,0 +1,31 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "SplineCameraVolume.h"
+
+#include "Kismet/KismetMathLibrary.h"
+
+ASplineCameraVolume::ASplineCameraVolume()
+{
+	SplineComponent = CreateDefaultSubobject<USplineComponent>(TEXT("Spline Component"));
+	SplineComponent->SetupAttachment(RootComponent);
+	FollowPlayer = true;
+}
+
+void ASplineCameraVolume::BeginPlay()
+{
+	Super::BeginPlay();
+}
+
+void ASplineCameraVolume::Tick(float DeltaSeconds)
+{
+	if (IsActive && FollowPlayer && TankPlayerCharacter)
+	{
+		FVector Location = SplineComponent->FindLocationClosestToWorldLocation(
+			TankPlayerCharacter->GetTransform().GetLocation(), ESplineCoordinateSpace::World);
+
+		TankPlayerCharacter->CameraComponent->SetWorldLocation(Location);
+		TankPlayerCharacter->CameraComponent->SetWorldRotation(UKismetMathLibrary::FindLookAtRotation(
+			Location, TankPlayerCharacter->GetTransform().GetLocation()));
+	}
+}
diff --git a/Source/tank/SplineCameraVolume.h b/Source/tank/SplineCameraVolume.h
new file mode 100644
index 0000000..b37e873
--- /dev/null
+++ b/Source/tank/SplineCameraVolume.h
@@ -0,0 +1,27 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "CameraVolume.h"
+#include "Components/SplineComponent.h"
+#include "SplineCameraVolume.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class TANK_API ASplineCameraVolume : public ACameraVolume
+{
+	GENERATED_BODY()
+
+public:
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	USplineComponent* SplineComponent;
+
+	ASplineCameraVolume();
+
+	virtual void BeginPlay() override;
+
+	virtual void Tick(float DeltaSeconds) override;
+};