qt5base-lts/examples/corelib/json/savegame/game.cpp
Jani Heikkinen 2b75c156b6 Updated BSD licensed file headers
Change-Id: I6441ff931dbd33b698d762e6f6784898f3f60fe7
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
2015-02-15 07:41:17 +00:00

165 lines
4.8 KiB
C++

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
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**
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** 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.
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** the documentation and/or other materials provided with the
** distribution.
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** contributors may be used to endorse or promote products derived
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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;
}
//! [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]