hangmangame.cpp Example File
qthangman/hangmangame.cpp
#include "hangmangame.h"
#include <QFile>
#include <QDebug>
#include <QBuffer>
#include <QRandomGenerator>
#include <QtConcurrent/QtConcurrentRun>
HangmanGame::HangmanGame(QObject *parent)
: QObject(parent)
, m_lock(QMutex::Recursive)
, m_vowelsUnlocked(false)
{
connect(this, &HangmanGame::vowelBought, this, &HangmanGame::registerLetterBought);
QtConcurrent::run(this, &HangmanGame::initWordList);
m_vowelsUnlocked = m_persistentSettings.value("Hangman/vowelsUnlocked", false).toBool();
m_vowelsAvailable = m_persistentSettings.value("Hangman/vowelsAvailable", 0).toInt();
m_wordsGiven = m_persistentSettings.value("Hangman/wordsGiven", 0).toInt();
m_wordsGuessedCorrectly = m_persistentSettings.value("Hangman/wordsGuessedCorrectly", 0).toInt();
m_score = m_persistentSettings.value("Hangman/score", 0).toInt();
}
void HangmanGame::reset()
{
m_lettersOwned.clear();
emit lettersOwnedChanged();
emit errorCountChanged();
chooseRandomWord();
}
void HangmanGame::reveal()
{
m_lettersOwned += vowels() + consonants();
emit errorCountChanged();
emit lettersOwnedChanged();
}
void HangmanGame::gameOverReveal()
{
m_lettersOwned += vowels() + consonants();
emit lettersOwnedChanged();
}
void HangmanGame::requestLetter(const QString &letterString)
{
Q_ASSERT(letterString.size() == 1);
QChar letter = letterString.at(0);
registerLetterBought(letter);
}
void HangmanGame::guessWord(const QString &word)
{
if (word.compare(m_word, Qt::CaseInsensitive) == 0) {
setVowelsAvailable(m_vowelsAvailable + calculateEarnedVowels());
setScore(m_score + calculateEarnedPoints());
m_lettersOwned += m_word.toUpper();
} else {
static int i=0;
Q_ASSERT(i < 10);
m_lettersOwned += QString::number(i++);
emit errorCountChanged();
}
emit lettersOwnedChanged();
}
bool HangmanGame::isVowel(const QString &letter)
{
Q_ASSERT(letter.size() == 1);
QChar letterChar = letter.at(0);
return vowels().contains(letterChar);
}
QString HangmanGame::vowels() const
{
return QStringLiteral("AEIOU");
}
QString HangmanGame::consonants() const
{
return QStringLiteral("BCDFGHJKLMNPQRSTVWXYZ");
}
int HangmanGame::errorCount() const
{
int count = 0;
for (QChar c : m_lettersOwned) {
if (!m_word.contains(c))
++count;
}
return count;
}
bool HangmanGame::vowelsUnlocked() const
{
return m_vowelsUnlocked;
}
void HangmanGame::setVowelsUnlocked(bool vowelsUnlocked)
{
if (m_vowelsUnlocked != vowelsUnlocked) {
m_vowelsUnlocked = vowelsUnlocked;
m_persistentSettings.setValue("Hangman/vowelsUnlocked", m_vowelsUnlocked);
emit vowelsUnlockedChanged(m_vowelsUnlocked);
}
}
int HangmanGame::vowelsAvailable() const
{
return m_vowelsAvailable;
}
int HangmanGame::wordsGiven() const
{
return m_wordsGiven;
}
int HangmanGame::wordsGuessedCorrectly() const
{
return m_wordsGuessedCorrectly;
}
int HangmanGame::score() const
{
return m_score;
}
void HangmanGame::setScore(int score)
{
if (m_score != score) {
m_score = score;
m_persistentSettings.setValue("Hangman/score", m_score);
emit scoreChanged(score);
}
}
void HangmanGame::setWordsGiven(int count)
{
if (m_wordsGiven != count) {
m_wordsGiven = count;
m_persistentSettings.setValue("Hangman/wordsGiven", m_wordsGiven);
emit wordsGivenChanged(count);
}
}
void HangmanGame::setWordsGuessedCorrectly(int count)
{
if (m_wordsGuessedCorrectly != count) {
m_wordsGuessedCorrectly = count;
m_persistentSettings.setValue("Hangman/wordsGuessedCorrectly", m_wordsGuessedCorrectly);
emit wordsGuessedCorrectlyChanged(count);
}
}
void HangmanGame::setVowelsAvailable(int count)
{
if (m_vowelsAvailable != count) {
m_vowelsAvailable = count;
m_persistentSettings.setValue("Hangman/vowelsAvailable", m_vowelsAvailable);
emit vowelsAvailableChanged(count);
}
}
void HangmanGame::registerLetterBought(const QChar &letter)
{
if (m_lettersOwned.contains(letter))
return;
m_lettersOwned.append(letter);
emit lettersOwnedChanged();
if (!m_word.contains(letter))
emit errorCountChanged();
}
void HangmanGame::chooseRandomWord()
{
QMutexLocker locker(&m_lock);
if (m_wordList.isEmpty())
return;
m_word = m_wordList.at(QRandomGenerator::global()->bounded(m_wordList.size()));
emit wordChanged();
}
void HangmanGame::initWordList()
{
QMutexLocker locker(&m_lock);
QFile file(":/enable2.txt");
if (file.open(QIODevice::ReadOnly)) {
QByteArray allData = file.readAll();
QBuffer buffer(&allData);
if (!buffer.open(QIODevice::ReadOnly))
qFatal("Couldn't open buffer for reading!");
while (!buffer.atEnd()) {
QByteArray ba = buffer.readLine().trimmed().toUpper();
if (!ba.isEmpty() && ba.length() < 10)
m_wordList.append(QString::fromLatin1(ba));
}
}
chooseRandomWord();
}
int HangmanGame::calculateEarnedVowels()
{
int total = 0;
for (int i = 0; i < m_word.length(); ++i) {
if (isVowel(QString(m_word[i])) && !m_lettersOwned.contains(QString(m_word[i])))
total++;
}
return total;
}
int HangmanGame::calculateEarnedPoints()
{
int total = 0;
for (int i = 0; i < m_word.length(); ++i) {
if (consonants().contains(QString(m_word[i])) && !m_lettersOwned.contains(QString(m_word[i])))
total++;
}
total += 8 - errorCount();
return total;
}