Get doors open by a key as grabbing things

Loney · February 19, 2022, 10:57pm

I’m trying to make the door open when I press a key as we did in the grabbing session but I get this error
OpenDoor.cpp.obj : error LNK2019: unresolved external symbol “public: void __cdecl UOpenDoor::Test(void)” (?Test@UOpenDoor@@QEAAXXZ) referenced in function “public: void __cdecl UOpenDoor::GetKeyToOpenDoor(void)” (?GetKeyToOpenDoor@UOpenDoor@@QEAAXXZ)

OpenDoor.cpp.obj : error LNK2019: unresolved external symbol “public: void __cdecl UOpenDoor::Test(void)” (?Test@UOpenDoor@@QEAAXXZ) referenced in function “public: void __cdecl UOpenDoor::GetKeyToOpenDoor(void)” (?GetKeyToOpenDoor@UOpenDoor@@QEAAXXZ)
I have been searching for a long time but I got nothing
May someone help me with the answer and maybe give me the reason for this error

the code links

github.com

Ahmed-Sobhy-Nassar/OpenDoor/blob/main/OpenDoor.h

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "Components/ActorComponent.h"
#include "Engine/TriggerVolume.h"
#include "OpenDoor.generated.h"


UCLASS( ClassGroup=(Custom), meta=(BlueprintSpawnableComponent) )
class BULLDING_ESCAPE_API UOpenDoor : public UActorComponent
{
	GENERATED_BODY()

public:	
	// Sets default values for this component's properties
	UOpenDoor();

protected:

This file has been truncated. show original

github.com

Ahmed-Sobhy-Nassar/OpenDoor/blob/main/OpenDoor.cpp

// Fill out your copyright notice in the Description page of Project Settings.
#include "Components/PrimitiveComponent.h"
#include "Components/AudioComponent.h"
#include "Engine/World.h"
#include "GameFramework/Actor.h"
#include "GameFramework/PlayerController.h"
#include "OpenDoor.h"

#define OUT	
// Sets default values for this component's properties
UOpenDoor::UOpenDoor()
{
	// 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

This file has been truncated. show original

DanM · March 5, 2022, 8:47am

Breaking this error down.

OpenDoor.cpp.obj

In the compiled object file for OpenDoor.cpp

error LNK2019: unresolved external symbol

Linker error, use of function without a definition.

public: void __cdecl UOpenDoor::Test(void)” (?Test@UOpenDoor@@QEAAXXZ)

public: void UOpenDoor::Test()

referenced in function “public: void __cdecl UOpenDoor::GetKeyToOpenDoor(void)”

Which is used in public: void UOpenDoor::GetKeyToOpenDoor()

So in a nutshell, you didn’t define void UOpenDoor::Test()

Loney · March 4, 2022, 7:03pm

Thank you so much Dan that really helped me

system · March 5, 2022, 7:03pm

This topic was automatically closed 24 hours after the last reply. New replies are no longer allowed.