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Diffstat (limited to 'examples/corelib/json/savegame/game.cpp')
-rw-r--r-- | examples/corelib/json/savegame/game.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/examples/corelib/json/savegame/game.cpp b/examples/corelib/json/savegame/game.cpp new file mode 100644 index 0000000000..a08071b208 --- /dev/null +++ b/examples/corelib/json/savegame/game.cpp @@ -0,0 +1,164 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names +** of its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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; +} + +//! [0] +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); +} +//! [0] + +//! [3] +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; +} +//! [3] + +//! [4] +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; +} +//! [4] + +//! [1] +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); + } +} +//! [1] + +//! [2] +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; +} +//! [2] |