An Error about HiddenWord declaration

.cpp file

// Fill out your copyright notice in the Description page of Project Settings.
#include "BullCowCartridge.h"
#include"HiddenWordList.h"

void UBullCowCartridge::BeginPlay() // When the game starts
{
    Super::BeginPlay();
    
    Isograms = GetValidWords(HWords); //Getting validWords from ValidWord func.
    SetupGame(); //Setiing up the game
    
    //PrintLine(TEXT("Hidden word is : %s"), *HiddenWord); //Debug Line
 }

void UBullCowCartridge::OnInput(const FString& PlayerInput) // When the player hits enter
{
    //Process of player guess
    if (bGameOver){ // If the gane finished
       ClearScreen();
       SetupGame();//Setting up the game
    }
    else{ //If the player guess is not correct
        ProcessGuess(PlayerInput);
    }
}

void UBullCowCartridge::SetupGame(){

    //---------------------------------------
    //Setting function and varibles that needed
    //Setting up the Hidden words
    int32 GenRandomNum = FMath::RandRange(0,Isograms.Num() - 1);
    HiddenWord = Isograms[GenRandomNum];
    
    //Lives that player has at the start
    Lives = HiddenWord.Len();
    bGameOver = false;
    //------------------------------------------

    //----------------------------------------------------------------------------------------------------------------------------
    //Text area to show to player some stuff
    //Welcoming the game
    PrintLine(TEXT("Oyuna hoşgeldin!")); 
    PrintLine(TEXT("%i adet sihirli kelime bulunmaktadir."), HWords.Num());
    PrintLine(TEXT("%i adet geçerli sihirli kelime bulunmaktadir"), GetValidWords(HWords).Num());
    //Showing what they got(Lives and the lenght of the hiddenword to guess)
    PrintLine(TEXT("Canin: %i"), Lives);
    PrintLine(TEXT("\nDevam etmek için %i karakter uzulugundaki\nsihirli"), HiddenWord.Len());
    //-------------------------------------------------------------------------------------------------------------------------------
}

void UBullCowCartridge::EndGame(){// If the player win the game or lose the game this func. will pop up
    bGameOver = true;
    PrintLine(TEXT("\nTekrar oynamak için enter'a bas..."));
}

void UBullCowCartridge::ProcessGuess(const FString& Guess){
    if (Guess == HiddenWord){// If the player guess is correct
        PrintLine(TEXT("Kazandin"));
        EndGame();
        return;
    }
    

    if(Guess.Len() != HiddenWord.Len()){// if is the Pleyer input  lenght not equal to hiddenword
        //PrintLine(TEXT("Canin: %i"), Lives);
        PrintLine(TEXT("Sihirli kelime %i karakter uzunlugunda."), HiddenWord.Len());
    }
    
    if(!IsIsogram(Guess)){
        PrintLine("Ayni karakterler arka arkaya\ntekrarlanamaz!");
        return;
    }
    
    //Remove Lives
    PrintLine(TEXT("\nCanini Yedim!"));
    --Lives;
    
    if(Lives <= 0){// If player out of lives
        ClearScreen();
        PrintLine(TEXT("Canin bitti."));
        PrintLine(TEXT("Bilemedigin sihirli kelime: %s"), *HiddenWord);
        EndGame();
        return;
    } 

    int32 Bulls, Cows;
    GetBullCows(Guess, Bulls, Cows);
    PrintLine(TEXT("Bulls : %i, Cows : %i"),Bulls, Cows);

    PrintLine(TEXT("Canin: %i"), Lives); 
}

bool UBullCowCartridge::IsIsogram(const FString& Word) const{//Checking the Isogram of thr player input
    for(int32 Index = 0; Index < Word.Len(); Index++){
        for(int32 Comparison = Index + 1; Comparison < Word.Len(); Comparison++){
            if(Word[Index] == Word[Comparison]){
                return false;
            }          
        }
    }
    return true;
}

TArray<FString> UBullCowCartridge::GetValidWords(const TArray<FString>& WordList) const{//Checking the wordlist.h file for the words are valid for the game.
    TArray<FString> RightLengthWords;
    
    //Range based for loop.| for(type TempVar : Data)
    for(FString Word: WordList){//Looking trough the words
        int32 CheckLen = Word.Len();
        
        if(CheckLen >=4 && CheckLen <= 8){//Checking every word Lenght one by one
            if(IsIsogram(Word)){// Is words maintain isogram then there are not valid for the game
                RightLengthWords.Emplace(Word);
            }
           
          //PrintLine(TEXT("%s"), *HWords[i]);
        }
    }
    return RightLengthWords;
}

void GetBullCows(const FString& Guess, int32& BullCount, int32& CowCount) const{
    BullCount = 0;
    CowCount = 0;

    for (int32 i = 0; i < Guess.Len(); i++)
    {
        if (Guess[i] == HiddenWord[i]){
            BullCount ++;
        }
        for (int32 k = 0; k < HiddenWord.Len(); k++){
            if (Guess[i] == HiddenWord[k]){
                CowCount ++;
            }
        }
    }
}

.h

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

#pragma once

#include "CoreMinimal.h"
#include "Console/Cartridge.h"
#include "BullCowCartridge.generated.h"

UCLASS(ClassGroup=(Custom), meta=(BlueprintSpawnableComponent))
class BULLCOWGAME_API UBullCowCartridge : public UCartridge
{
	GENERATED_BODY()

	public:
	virtual void BeginPlay() override;
	virtual void OnInput(const FString& Input) override;
	void SetupGame();
	void EndGame();
	void ProcessGuess(const FString &Guess);
	bool IsIsogram(const FString& Word) const;
	TArray<FString> GetValidWords(const TArray<FString>& WordList) const;
	void GetBullCows (const FString& Guess, int32& BullCount, int32& CowCount) const; //The BullCount and the CowCount is Out parameters

	// Your declarations go below!
	private:
	FString HiddenWord;
	int32 Lives;
	bool bGameOver;
	TArray<FString> Isograms;
};

UnrealEngineLog

I don’t know why its giving me that error because I already declared the HiddenWord varible in the headder file.

I think another amateur misstake that I made and I cannot find the issue. :,(

I will be really happy that anybody help me.

This is defining a non-member function. To define a member function outside of the class you need the class scope i.e.

void UBullCowCartridge:::GetBullCows(const FString& Guess, int32& BullCount, int32& CowCount) const{
1 Like

Aaa. I see thats the reason why its showing that error. Thanks for your help

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