in the middle of implementing the controller

hwanyoung2/Source/hwanyoung2/HYPlayerCharacController.h

@@ -2,6 +2,8 @@
 
 #pragma once
 
+#include "Interactable.h"
+
 #include "CoreMinimal.h"
 #include "GameFramework/PlayerController.h"
 #include "HYPlayerCharacController.generated.h"

hwanyoung2/Source/hwanyoung2/hwanyoung2Character.cpp

@@ -4,6 +4,7 @@
 #include "HYCharacAbilitySystemComponent.h"
 #include "HYPlayerCharacAttributeSet.h"
 #include "HYCharacGameplayAbility.h"
+#include "HYPlayerCharacController.h"
 #include "Camera/CameraComponent.h"
 #include "Components/CapsuleComponent.h"
 #include "Components/InputComponent.h"
@@ -12,6 +13,9 @@
 #include "GameFramework/SpringArmComponent.h"
 #include "EnhancedInputComponent.h"
 #include "EnhancedInputSubsystems.h"
+#include "Interactable.h"
+#include "InventoryItem.h"
+
 
 
 //////////////////////////////////////////////////////////////////////////
@@ -153,6 +157,52 @@ void Ahwanyoung2Character::BeginPlay()
 	}
 }
 
+void Ahwanyoung2Character::CheckForInteractables()
+{
+	// Creates a LineTrace (similar to RayCast) to check for a hit
+	FHitResult HitResult;
+
+	// The range of area the system should check for interactables
+	int32 Range = 500; //this can be changed
+
+	//The start of the trace is the transform of the follow camera
+	FVector StartTrace = FollowCamera->GetComponentLocation(); 
+
+	//And the end of the trace is the 500 units ahead of the start trace
+	FVector EndTrace = (FollowCamera->GetForwardVector() * Range) + StartTrace;
+
+	//Keeps track of parameters passed into collision function, assuming that 
+	//there are multiple collided actors that is passed through the collision function
+	FCollisionQueryParams QueryParams;
+	QueryParams.AddIgnoredActor(this); //we are ignoring this, which is the character
+
+	//Similarly to how GetComponent<>() function works, we get the controller
+	//object attached to the character and cast it as player character controller class
+	AHYPlayerCharacController* IController = Cast<AHYPlayerCharacController>(GetController());
+	
+	if (IController) {
+		//Checking if something is hit by the line cast within the range
+		if (GetWorld()->LineTraceSingleByChannel(HitResult, StartTrace, EndTrace,
+			ECC_Visibility, QueryParams)) {
+			
+			//Cast the actor to AInteractable
+			AInteractable* Interactable = Cast<AInteractable>(HitResult.GetActor());
+
+			if (Interactable) {
+				IController->CurrentInteractable = Interactable; 
+				return;
+			}
+		}
+
+		IController->CurrentInteractable = nullptr;
+	}
+}
+
+
+void Ahwanyoung2Character::Tick(float DeltaTime)
+{
+}
+
 //////////////////////////////////////////////////////////////////////////
 // Input
 
@@ -221,65 +271,65 @@ int32 Ahwanyoung2Character::GetAbilityLevel(EAbilityInputID AbilityID) const
 	return int32();
 }
 
-void Ahwanyoung2Character::RemoveCharacterAbilities()
+//void Ahwanyoung2Character::RemoveCharacterAbilities()
-{
+//{
-	//if the object doesn't have the authority, ability system component is not valid
+//	//if the object doesn't have the authority, ability system component is not valid
-	//or character abilities are not given in the ability system component,
+//	//or character abilities are not given in the ability system component,
-	//we don't do anything and just return
+//	//we don't do anything and just return
-	if (GetLocalRole() != ROLE_Authority ||
+//	if (GetLocalRole() != ROLE_Authority ||
-		!AbilitySystemComponent.IsValid() ||
+//		!AbilitySystemComponent.IsValid() ||
-		!AbilitySystemComponent->CharacterAbilitiesGiven)
+//		!AbilitySystemComponent->CharacterAbilitiesGiven)
-	{
+//	{
-		return;
+//		return;
-	}
+//	}
+//
+//	TArray<FGameplayAbilitySpecHandle> AbilitiesToRemove;
+//	for (const FGameplayAbilitySpec& Spec : AbilitySystemComponent->GetActivatableAbilities())
+//	{
+//		if (Spec.SourceObject == this && CharacterAbilities.Contains(Spec.Ability->GetClass()))
+//		{
+//			AbilitiesToRemove.Add(Spec.Handle); //spec.handle is an instance of the ability
+//		}
+//	}
+//
+//	for (int32 i = 0; i < AbilitiesToRemove.Num(); i++)
+//	{
+//		AbilitySystemComponent->ClearAbility(AbilitiesToRemove[i]);
+//	}
+//
+//	AbilitySystemComponent->CharacterAbilitiesGiven = false;
+//}
 
-	TArray<FGameplayAbilitySpecHandle> AbilitiesToRemove;
+//void Ahwanyoung2Character::Die()
-	for (const FGameplayAbilitySpec& Spec : AbilitySystemComponent->GetActivatableAbilities())
+//{
-	{
+//	RemoveCharacterAbilities();
-		if (Spec.SourceObject == this && CharacterAbilities.Contains(Spec.Ability->GetClass()))
+//
-		{
+//	GetCapsuleComponent()->SetCollisionEnabled(ECollisionEnabled::NoCollision);
-			AbilitiesToRemove.Add(Spec.Handle); //spec.handle is an instance of the ability
+//	GetCharacterMovement()->GravityScale = 0;
-		}
+//	GetCharacterMovement()->Velocity = FVector(0); //disabling character movement when death
-	}
+//
-
+//	OnCharacterDied.Broadcast(this);
-	for (int32 i = 0; i < AbilitiesToRemove.Num(); i++)
+//
-	{
+//	if (AbilitySystemComponent.IsValid())
-		AbilitySystemComponent->ClearAbility(AbilitiesToRemove[i]);
+//	{
-	}
+//		AbilitySystemComponent->CancelAbilities();
-
+//
-	AbilitySystemComponent->CharacterAbilitiesGiven = false;
+//		FGameplayTagContainer EffectsTagsToRemove;
-}
+//		EffectsTagsToRemove.AddTag(EffectRemoveOnDeathTag);
-
+//		int32 NumEffectsRemoved = AbilitySystemComponent->RemoveActiveEffectsWithTags(EffectsTagsToRemove);
-void Ahwanyoung2Character::Die()
+//		AbilitySystemComponent->AddLooseGameplayTag(DeadTag);
-{
+//	}
-	RemoveCharacterAbilities();
+//
-
+//	//playing death anim:
-	GetCapsuleComponent()->SetCollisionEnabled(ECollisionEnabled::NoCollision);
+//	if (DeathMontage)
-	GetCharacterMovement()->GravityScale = 0;
+//	{
-	GetCharacterMovement()->Velocity = FVector(0); //disabling character movement when death
+//		PlayAnimMontage(DeathMontage);
-
+//	}
-	OnCharacterDied.Broadcast(this);
+//	else
-
+//	{
-	if (AbilitySystemComponent.IsValid())
+//		FinishDying();
-	{
+//	}
-		AbilitySystemComponent->CancelAbilities();
+//}
-
-		FGameplayTagContainer EffectsTagsToRemove;
-		EffectsTagsToRemove.AddTag(EffectRemoveOnDeathTag);
-		int32 NumEffectsRemoved = AbilitySystemComponent->RemoveActiveEffectsWithTags(EffectsTagsToRemove);
-		AbilitySystemComponent->AddLooseGameplayTag(DeadTag);
-	}
-
-	//playing death anim:
-	if (DeathMontage)
-	{
-		PlayAnimMontage(DeathMontage);
-	}
-	else
-	{
-		FinishDying();
-	}
-}
 
 void Ahwanyoung2Character::FinishDying()
 {
@@ -461,3 +511,4 @@ void Ahwanyoung2Character::SetGaugeP(float GaugeP)
 		AttributeSetBase->SetGaugeP(GaugeP);
 	}
 }
+

hwanyoung2/Source/hwanyoung2/hwanyoung2Character.h

@@ -28,6 +28,11 @@ class Ahwanyoung2Character : public ACharacter, public IAbilitySystemInterface
 	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = Camera, meta = (AllowPrivateAccess = "true"))
 	class UCameraComponent* FollowCamera;
 
+	/** Collection sphere */ 
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = Camera, meta = (AllowPrivateAccess = "true"))
+	class USphereComponent* CollectionSphere;
+
+#pragma region Controller
 	/** MappingContext */
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Input, meta = (AllowPrivateAccess = "true"))
 	class UInputMappingContext* DefaultMappingContext;
@@ -44,6 +49,8 @@ class Ahwanyoung2Character : public ACharacter, public IAbilitySystemInterface
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Input, meta = (AllowPrivateAccess = "true"))
 	class UInputAction* LookAction;
 
+#pragma endregion move this to PlayerCharacController.h
+
 	
 
 public:
@@ -56,10 +63,10 @@ public:
 	UFUNCTION(BlueprintCallable, Category = "Hwanyoung|Character")
 		virtual int32 GetAbilityLevel(EAbilityInputID AbilityID) const;
 
-	//this function is called only in the server:
+	////this function is called only in the server:
-	virtual void RemoveCharacterAbilities();
+	//virtual void RemoveCharacterAbilities();
-	//this is also called only in the server:
+	////this is also called only in the server:
-	virtual void Die();
+	//virtual void Die();
 
 	UFUNCTION(BlueprintCallable, Category = "Hwanyoung|Character")
 		virtual void FinishDying();
@@ -102,6 +109,13 @@ public:
 	UFUNCTION(BlueprintCallable, Category = "HY_Character|Camera")
 	FVector GetStartingCameraBoomLocation();
 
+	/** Returns CameraBoom subobject **/
+	class USpringArmComponent* GetCameraBoom() const { return CameraBoom; }
+	/** Returns FollowCamera subobject **/
+	class UCameraComponent* GetFollowCamera() const { return FollowCamera; }
+
+	virtual void Tick(float DeltaTime) override;
+
 protected:
 
 	//pointers to the attribute set and ability system component
@@ -173,6 +187,9 @@ protected:
 	/** Called for looking input */
 	void Look(const FInputActionValue& Value);
 
+	/** Called for checking for the closest Interactable in sight and in range*/
+	void CheckForInteractables();
+
 
 protected:
 	// APawn interface
@@ -181,11 +198,8 @@ protected:
 	// To add mapping context
 	virtual void BeginPlay();
 
-public:
+	// Checks for the closest Interactable in sight and in range
-	/** Returns CameraBoom subobject **/
+	void CheckForInteractables();
-	class USpringArmComponent* GetCameraBoom() const { return CameraBoom; }
-	/** Returns FollowCamera subobject **/
-	class UCameraComponent* GetFollowCamera() const { return FollowCamera; }
 
 
 };