#30 Added template for SpringArm

xthebat · Oct 30, 2023 · cc4a6e3 · cc4a6e3
1 parent 2c1c218
commit cc4a6e3
Show file tree

Hide file tree

Showing 3 changed files with 74 additions and 2 deletions.
diff --git a/Source/Cloud9/Character/Cloud9Character.cpp b/Source/Cloud9/Character/Cloud9Character.cpp
@@ -5,18 +5,19 @@
 #include "Camera/CameraComponent.h"
 #include "Cloud9/Cloud9.h"
 #include "Cloud9/Game/Cloud9PlayerController.h"
-#include "Cloud9/Tools/Cloud9ToolsLibrary.h"
 #include "Components/DecalComponent.h"
 #include "Components/CapsuleComponent.h"
 #include "Components/Cloud9CharacterMovement.h"
 #include "Components/Cloud9Inventory.h"
+#include "Components/Cloud9SpringArmComponent.h"
 #include "GameFramework/CharacterMovementComponent.h"
 #include "GameFramework/PlayerController.h"
 #include "GameFramework/SpringArmComponent.h"
 #include "Materials/Material.h"
 #include "Engine/World.h"
 #include "Kismet/KismetMathLibrary.h"
 
+class UCloud9SpringArmComponent;
 const FName ACloud9Character::SpringArmComponentName = TEXT("CameraBoom");
 const FName ACloud9Character::CameraComponentName = TEXT("TopDownCamera");
 const FName ACloud9Character::DecalComponentName = TEXT("CursorToWorld");
@@ -37,7 +38,7 @@ ACloud9Character::ACloud9Character(const FObjectInitializer& ObjectInitializer)
 	Movement->bSnapToPlaneAtStart = true;
 	Movement->JumpZVelocity = 320.0f;
 
-	CameraBoom = CreateDefaultSubobject<USpringArmComponent>(SpringArmComponentName);
+	CameraBoom = CreateDefaultSubobject<UCloud9SpringArmComponent>(SpringArmComponentName);
 	CameraBoom->SetupAttachment(RootComponent);
 	CameraBoom->SetUsingAbsoluteRotation(true); // Don't want arm to rotate when character does
 	CameraBoom->bDoCollisionTest = true; // Don't want to pull camera in when it collides with level

diff --git a/Source/Cloud9/Character/Components/Cloud9SpringArmComponent.cpp b/Source/Cloud9/Character/Components/Cloud9SpringArmComponent.cpp
@@ -0,0 +1,35 @@
+#include "Cloud9SpringArmComponent.h"
+
+
+UCloud9SpringArmComponent::UCloud9SpringArmComponent()
+{
+	RotationVerticalLagSpeed = 0.0f;
+}
+
+void UCloud9SpringArmComponent::OnRegister()
+{
+	Super::OnRegister();
+	TargetRelativeRotation = RelativeSocketRotation.Rotator();
+}
+
+void UCloud9SpringArmComponent::TickComponent(
+	float DeltaTime,
+	ELevelTick TickType,
+	FActorComponentTickFunction* ThisTickFunction)
+{
+	Super::TickComponent(DeltaTime, TickType, ThisTickFunction);
+
+	auto NewRotation = TargetRelativeRotation;
+	if (RotationVerticalLagSpeed != 0.0f)
+	{
+		const auto OldRotation = RelativeSocketRotation.Rotator();
+		NewRotation = FMath::Lerp(
+			OldRotation,
+			TargetRelativeRotation,
+			DeltaTime / RotationVerticalLagSpeed * RotationScale);
+	}
+
+	RelativeSocketRotation = NewRotation.Quaternion();
+
+	UpdateChildTransforms();
+}
diff --git a/Source/Cloud9/Character/Components/Cloud9SpringArmComponent.h b/Source/Cloud9/Character/Components/Cloud9SpringArmComponent.h
@@ -0,0 +1,36 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Cloud9CharacterComponent.h"
+#include "GameFramework/SpringArmComponent.h"
+#include "Cloud9SpringArmComponent.generated.h"
+
+
+UCLASS(ClassGroup=(Custom), meta=(BlueprintSpawnableComponent))
+class CLOUD9_API UCloud9SpringArmComponent
+	: public USpringArmComponent
+	  , public ICloud9CharacterComponent
+{
+	GENERATED_BODY()
+
+public:
+	UCloud9SpringArmComponent();
+
+	virtual void TickComponent(
+		float DeltaTime,
+		ELevelTick TickType,
+		FActorComponentTickFunction* ThisTickFunction
+	) override;
+
+	virtual void OnRegister() override;
+
+private:
+	static constexpr float RotationScale = 360.0f;
+
+	/** Vertical rotation speed lag for camera*/
+	UPROPERTY(EditDefaultsOnly, Category=Lag,
+		meta=(ClampMin="0.0", ClampMax="10000.0", UIMin = "0.0", UIMax = "10000.0"))
+	float RotationVerticalLagSpeed;
+
+	FRotator TargetRelativeRotation;
+};