So far....so good

[instinct_212005]

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

void UBullCowCartridge::BeginPlay() // When the game starts
{
    Super::BeginPlay();

    SetupGame();
    //PrintLine(FString::Printf(TEXT("The HiddenWord is: %s"), *HiddenWord));
    //We haven't used the FString::Printf() in above line but it will still work for this project as it is included in PrintLine function..
    //PrintLine(TEXT("The HiddenWord is: %s. \nIt is %i characters long."), *HiddenWord, HiddenWord.Len()); //Debug Line
}

void UBullCowCartridge::OnInput(const FString &Input) // When the player hits enter
{
    ProcessGuess(Input);
}

void UBullCowCartridge::SetupGame()
{
    //Welcome message
    PrintLine(TEXT("HELLO,WELCOME TO BULLS & COWS GAME!"));
    PrintLine(TEXT("PRESS TAB TO ACCESS THE TERMINAL..."));

    HiddenWord = TEXT("orange");
    Lives = HiddenWord.Len(); //Can't declare lives variable directly here because of scope issues..
    bGameOver = false;

    //Display Lives
    PrintLine(TEXT("YOU HAVE %i LIVES TO CRACK THE WORD."), HiddenWord.Len());
    PrintLine(TEXT("GUESS THE %i LETTER ISOGRAM\nAND PRESS ENTER.."), HiddenWord.Len());
}
//Press Enter to PlayAgain
void UBullCowCartridge::EndGame()
{
    bGameOver = true;
    PrintLine(TEXT("Please Press Enter to Play Again..."));
}

void UBullCowCartridge::ProcessGuess(FString Guess)
{
    if (bGameOver)
    {
        ClearScreen();
        SetupGame();
    }
    // Check PlayerGuess
    else
    {
        if (HiddenWord == Guess)
        {
            PrintLine(TEXT("FABULOUS, YOU NAILED IT!!"));
            EndGame();
            return;
        }
        //Check for correct length of word
        //Prompt to Guess Again
        else if (HiddenWord.Len() > Guess.Len())
        {
            PrintLine(TEXT("Hidden word is %i characters long.\nPlease try again...."), HiddenWord.Len());
            PrintLine(TEXT("No lives deducted %i lives remaining"), Lives);
            return;
        }
        //Check for Isogram
        else if (!IsIsogram(Guess))
        {
            PrintLine(TEXT("CAUTION! Repetition is not allowed."));
            return;
        }
        //Deduct lives
        else
        {
            //Show lives left
            PrintLine(TEXT("You have lost a life, %i lives remaining."), --Lives);
            //Check if lives > zero
            //If No, show GameOver and HiddenWord
            if (Lives == 0)
            {
                ClearScreen();
                PrintLine(TEXT("BAD LUCK! YOU HAVE LOST THE GAME.\nThe Hidden Isogram was %s."), *HiddenWord);
                EndGame();
            }
        }
    }
}

bool UBullCowCartridge::IsIsogram(FString Word) const
{
    // For each letter
    int32 Index = 0;
    int32 Comparison = Index + 1;
    for (; Comparison < Word.Len(); Comparison++)
    {
        if (Word[Index] == Word[Comparison])
        {
            return false;
        }
    }
    return true;
    // Start with element [0]
    // compare against next letter
    // untill we reach [Word.Len() - 1]
    // if any are same return false
}```
Its going felt little bit difficulty const member function rest all ok..Nice work gamedev team..

[Kevin-Brandon]

Awesome!