Hello there. This is my final codes for the Bull and Cow game. Quite a bit in loss in the section since I don’t have any prior coding knowledge, but thankfully I managed to make it into the end of the section. I enjoyed this course so far, and raring to see forward the next section.
.cpp
// Fill out your copyright notice in the Description page of Project Settings.
#include "BullCowCartridge.h"
#include "HiddenWordList.h"
// #include "Math/UnrealMathUtility.h"
void UBullCowCartridge::BeginPlay() // When the game starts
{
Super::BeginPlay();
Isograms = GetValidWords(Words);
SetupGame(); // Setting Up Game
}
void UBullCowCartridge::OnInput(const FString& PlayerInput) // When the player hits enter
{
if (bGameOver)
{
ClearScreen();
SetupGame();
}
else // else Checking PlayerGuess
{
ProcessGuess(PlayerInput);
}
}
void UBullCowCartridge::SetupGame()
{
// Welcoming the player
PrintLine(TEXT("Welcome to Bull Cows!"));
HiddenWord = GetValidWords(Words)[FMath::RandRange(0, GetValidWords(Words).Num() -1)];
Lives = HiddenWord.Len() * 2; // Set Lifes
bGameOver = false;
PrintLine(TEXT("Guess the %i letter word!"), HiddenWord.Len());
// PrintLine(TEXT("The HiddenWord is: %s."), *HiddenWord); // Debug Line
PrintLine(TEXT( "You have %i lives"), Lives);
PrintLine(TEXT("Type in your own guess and \npress ENTER to continue....")); // Prompt Player For Guess
}
void UBullCowCartridge::EndGame()
{
bGameOver = true;
PrintLine(TEXT("Press ENTER to play again."));
}
void UBullCowCartridge::ProcessGuess(const FString& Guess)
{
if (Guess == HiddenWord)
{
PrintLine(TEXT("You have won!!"));
EndGame();
return;
}
if (Guess.Len() != HiddenWord.Len())
{
PrintLine(TEXT("The hidden word is %i letters long."), HiddenWord.Len());
PrintLine(TEXT("You have remaining %i lives. \nPlease try again..."), Lives);
return;
}
// Check if Isogram
if (!IsIsogram(Guess))
{
PrintLine(TEXT("No repeating letters, guess again!"));
return;
}
// Remove Life
PrintLine(TEXT("You have lost a life."));
--Lives;
if (Lives <= 0)
{
ClearScreen();
PrintLine(TEXT("You have no lives left!"));
PrintLine(TEXT("The hidden word was: %s"), *HiddenWord);
EndGame();
return;
}
// Show the player Bulls and Cows
FBullCowCount Score = GetBullCows(Guess);
PrintLine(TEXT("You have %i Bulls and %i Cows"), Score.Bulls, Score.Cows);
PrintLine(TEXT("Guess again, you have %i lives left"), Lives);
}
bool UBullCowCartridge::IsIsogram(const FString& Word) const
{
for (int32 Index = 0; Index < Word.Len(); Index++)
{
for (int32 Comparision = Index + 1; Comparision < Word.Len(); Comparision++)
{
if (Word[Index] == Word[Comparision])
{
return false;
}
}
}
return true;
}
TArray<FString> UBullCowCartridge::GetValidWords(const TArray<FString>& WordList) const
{
TArray<FString> ValidWords;
for (FString Word : WordList)
{
if (Word.Len() >= 4 && Word.Len() <= 8 && IsIsogram(Word))
{
ValidWords.Emplace(Word);
}
}
return ValidWords;
}
FBullCowCount UBullCowCartridge::GetBullCows(const FString& Guess) const
{
FBullCowCount Count;
for (int32 GuessIndex = 0; GuessIndex < Guess.Len(); GuessIndex++)
{
if (Guess[GuessIndex] == HiddenWord[GuessIndex])
{
Count.Bulls++;
continue;
}
for (int32 HiddenIndex = 0; HiddenIndex < HiddenWord.Len(); HiddenIndex++)
{
if (Guess[GuessIndex] == HiddenWord[HiddenIndex])
{
Count.Cows++;
break;
}
}
}
return Count;
}
HiddenList.h (I only included 5 Hidden Words since 1000 words are way to hard for some people…haha)
#pragma once
#include "CoreMinimal.h"
const TArray<FString> Words =
{
TEXT("dairy"),
TEXT("swine"),
TEXT("calves"),
TEXT("farms"),
TEXT("meats"),
};
BullCowCartridge.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"
struct FBullCowCount
{
int32 Bulls = 0;
int32 Cows = 0;
};
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;
FBullCowCount GetBullCows(const FString& Guess) const;
// Your declarations go below!
private:
FString HiddenWord;
int32 Lives;
bool bGameOver;
TArray<FString> Isograms;
};