game.cpp Example File

json/savegame/game.cpp
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#include "game.h" #include <QFile> #include <QJsonArray> #include <QJsonDocument> Game::Game() { } const Character &Game::player() const { return mPlayer; } const QList<Level> &Game::levels() const { return mLevels; } void Game::newGame() { mPlayer = Character(); mPlayer.setName(QStringLiteral("Hero")); mPlayer.setClassType(Character::Archer); mPlayer.setLevel(15); mLevels.clear(); Level village; QList<Character> villageNpcs; villageNpcs.append(Character(QStringLiteral("Barry the Blacksmith"), 10, Character::Warrior)); villageNpcs.append(Character(QStringLiteral("Terry the Trader"), 10, Character::Warrior)); village.setNpcs(villageNpcs); mLevels.append(village); Level dungeon; QList<Character> dungeonNpcs; dungeonNpcs.append(Character(QStringLiteral("Eric the Evil"), 20, Character::Mage)); dungeonNpcs.append(Character(QStringLiteral("Eric's Sidekick #1"), 5, Character::Warrior)); dungeonNpcs.append(Character(QStringLiteral("Eric's Sidekick #2"), 5, Character::Warrior)); dungeon.setNpcs(dungeonNpcs); mLevels.append(dungeon); } bool Game::loadGame(Game::SaveFormat saveFormat) { QFile loadFile(saveFormat == Json ? QStringLiteral("save.json") : QStringLiteral("save.dat")); if (!loadFile.open(QIODevice::ReadOnly)) { qWarning("Couldn't open save file."); return false; } QByteArray saveData = loadFile.readAll(); QJsonDocument loadDoc(saveFormat == Json ? QJsonDocument::fromJson(saveData) : QJsonDocument::fromBinaryData(saveData)); read(loadDoc.object()); return true; } bool Game::saveGame(Game::SaveFormat saveFormat) const { QFile saveFile(saveFormat == Json ? QStringLiteral("save.json") : QStringLiteral("save.dat")); if (!saveFile.open(QIODevice::WriteOnly)) { qWarning("Couldn't open save file."); return false; } QJsonObject gameObject; write(gameObject); QJsonDocument saveDoc(gameObject); saveFile.write(saveFormat == Json ? saveDoc.toJson() : saveDoc.toBinaryData()); return true; } void Game::read(const QJsonObject &json) { mPlayer.read(json["player"].toObject()); mLevels.clear(); QJsonArray levelArray = json["levels"].toArray(); for (int levelIndex = 0; levelIndex < levelArray.size(); ++levelIndex) { QJsonObject levelObject = levelArray[levelIndex].toObject(); Level level; level.read(levelObject); mLevels.append(level); } } void Game::write(QJsonObject &json) const { QJsonObject playerObject; mPlayer.write(playerObject); json["player"] = playerObject; QJsonArray levelArray; foreach (const Level level, mLevels) { QJsonObject levelObject; level.write(levelObject); levelArray.append(levelObject); } json["levels"] = levelArray; }