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<h1 class="title">game.cpp Example File</h1>
<span class="subtitle">json/savegame/game.cpp</span>
<!-- $$$json/savegame/game.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp">
<span class="comment">/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, 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 The Qt Company Ltd 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,
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include "game.h"</span>
<span class="preprocessor">#include <QFile></span>
<span class="preprocessor">#include <QJsonArray></span>
<span class="preprocessor">#include <QJsonDocument></span>
Game<span class="operator">::</span>Game()
{
}
<span class="keyword">const</span> Character <span class="operator">&</span>Game<span class="operator">::</span>player() <span class="keyword">const</span>
{
<span class="keyword">return</span> mPlayer;
}
<span class="keyword">const</span> <span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span>Level<span class="operator">></span> <span class="operator">&</span>Game<span class="operator">::</span>levels() <span class="keyword">const</span> {
<span class="keyword">return</span> mLevels;
}
<span class="type">void</span> Game<span class="operator">::</span>newGame() {
mPlayer <span class="operator">=</span> Character();
mPlayer<span class="operator">.</span>setName(<span class="type"><a href="qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"Hero"</span>));
mPlayer<span class="operator">.</span>setClassType(Character<span class="operator">::</span>Archer);
mPlayer<span class="operator">.</span>setLevel(<span class="number">15</span>);
mLevels<span class="operator">.</span>clear();
Level village;
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span>Character<span class="operator">></span> villageNpcs;
villageNpcs<span class="operator">.</span>append(Character(<span class="type"><a href="qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"Barry the Blacksmith"</span>)<span class="operator">,</span> <span class="number">10</span><span class="operator">,</span> Character<span class="operator">::</span>Warrior));
villageNpcs<span class="operator">.</span>append(Character(<span class="type"><a href="qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"Terry the Trader"</span>)<span class="operator">,</span> <span class="number">10</span><span class="operator">,</span> Character<span class="operator">::</span>Warrior));
village<span class="operator">.</span>setNpcs(villageNpcs);
mLevels<span class="operator">.</span>append(village);
Level dungeon;
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span>Character<span class="operator">></span> dungeonNpcs;
dungeonNpcs<span class="operator">.</span>append(Character(<span class="type"><a href="qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"Eric the Evil"</span>)<span class="operator">,</span> <span class="number">20</span><span class="operator">,</span> Character<span class="operator">::</span>Mage));
dungeonNpcs<span class="operator">.</span>append(Character(<span class="type"><a href="qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"Eric's Sidekick #1"</span>)<span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> Character<span class="operator">::</span>Warrior));
dungeonNpcs<span class="operator">.</span>append(Character(<span class="type"><a href="qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"Eric's Sidekick #2"</span>)<span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> Character<span class="operator">::</span>Warrior));
dungeon<span class="operator">.</span>setNpcs(dungeonNpcs);
mLevels<span class="operator">.</span>append(dungeon);
}
bool Game<span class="operator">::</span>loadGame(Game<span class="operator">::</span>SaveFormat saveFormat)
{
<span class="type"><a href="qfile.html">QFile</a></span> loadFile(saveFormat <span class="operator">=</span><span class="operator">=</span> Json
<span class="operator">?</span> <span class="type"><a href="qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"save.json"</span>)
: <span class="type"><a href="qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"save.dat"</span>));
<span class="keyword">if</span> (<span class="operator">!</span>loadFile<span class="operator">.</span>open(<span class="type"><a href="qiodevice.html">QIODevice</a></span><span class="operator">::</span>ReadOnly)) {
<a href="qtglobal.html#qWarning">qWarning</a>(<span class="string">"Couldn't open save file."</span>);
<span class="keyword">return</span> <span class="keyword">false</span>;
}
<span class="type"><a href="qbytearray.html">QByteArray</a></span> saveData <span class="operator">=</span> loadFile<span class="operator">.</span>readAll();
<span class="type"><a href="qjsondocument.html">QJsonDocument</a></span> loadDoc(saveFormat <span class="operator">=</span><span class="operator">=</span> Json
<span class="operator">?</span> <span class="type"><a href="qjsondocument.html">QJsonDocument</a></span><span class="operator">::</span>fromJson(saveData)
: <span class="type"><a href="qjsondocument.html">QJsonDocument</a></span><span class="operator">::</span>fromBinaryData(saveData));
read(loadDoc<span class="operator">.</span>object());
<span class="keyword">return</span> <span class="keyword">true</span>;
}
bool Game<span class="operator">::</span>saveGame(Game<span class="operator">::</span>SaveFormat saveFormat) <span class="keyword">const</span>
{
<span class="type"><a href="qfile.html">QFile</a></span> saveFile(saveFormat <span class="operator">=</span><span class="operator">=</span> Json
<span class="operator">?</span> <span class="type"><a href="qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"save.json"</span>)
: <span class="type"><a href="qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"save.dat"</span>));
<span class="keyword">if</span> (<span class="operator">!</span>saveFile<span class="operator">.</span>open(<span class="type"><a href="qiodevice.html">QIODevice</a></span><span class="operator">::</span>WriteOnly)) {
<a href="qtglobal.html#qWarning">qWarning</a>(<span class="string">"Couldn't open save file."</span>);
<span class="keyword">return</span> <span class="keyword">false</span>;
}
<span class="type"><a href="qjsonobject.html">QJsonObject</a></span> gameObject;
write(gameObject);
<span class="type"><a href="qjsondocument.html">QJsonDocument</a></span> saveDoc(gameObject);
saveFile<span class="operator">.</span>write(saveFormat <span class="operator">=</span><span class="operator">=</span> Json
<span class="operator">?</span> saveDoc<span class="operator">.</span>toJson()
: saveDoc<span class="operator">.</span>toBinaryData());
<span class="keyword">return</span> <span class="keyword">true</span>;
}
<span class="type">void</span> Game<span class="operator">::</span>read(<span class="keyword">const</span> <span class="type"><a href="qjsonobject.html">QJsonObject</a></span> <span class="operator">&</span>json)
{
mPlayer<span class="operator">.</span>read(json<span class="operator">[</span><span class="string">"player"</span><span class="operator">]</span><span class="operator">.</span>toObject());
mLevels<span class="operator">.</span>clear();
<span class="type"><a href="qjsonarray.html">QJsonArray</a></span> levelArray <span class="operator">=</span> json<span class="operator">[</span><span class="string">"levels"</span><span class="operator">]</span><span class="operator">.</span>toArray();
<span class="keyword">for</span> (<span class="type">int</span> levelIndex <span class="operator">=</span> <span class="number">0</span>; levelIndex <span class="operator"><</span> levelArray<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>levelIndex) {
<span class="type"><a href="qjsonobject.html">QJsonObject</a></span> levelObject <span class="operator">=</span> levelArray<span class="operator">[</span>levelIndex<span class="operator">]</span><span class="operator">.</span>toObject();
Level level;
level<span class="operator">.</span>read(levelObject);
mLevels<span class="operator">.</span>append(level);
}
}
<span class="type">void</span> Game<span class="operator">::</span>write(<span class="type"><a href="qjsonobject.html">QJsonObject</a></span> <span class="operator">&</span>json) <span class="keyword">const</span>
{
<span class="type"><a href="qjsonobject.html">QJsonObject</a></span> playerObject;
mPlayer<span class="operator">.</span>write(playerObject);
json<span class="operator">[</span><span class="string">"player"</span><span class="operator">]</span> <span class="operator">=</span> playerObject;
<span class="type"><a href="qjsonarray.html">QJsonArray</a></span> levelArray;
foreach (<span class="keyword">const</span> Level level<span class="operator">,</span> mLevels) {
<span class="type"><a href="qjsonobject.html">QJsonObject</a></span> levelObject;
level<span class="operator">.</span>write(levelObject);
levelArray<span class="operator">.</span>append(levelObject);
}
json<span class="operator">[</span><span class="string">"levels"</span><span class="operator">]</span> <span class="operator">=</span> levelArray;
}
</pre>
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<!-- @@@json/savegame/game.cpp -->
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<acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd.
Documentation contributions included herein are the copyrights of
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Mageia
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armv5tl
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media
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core-updates
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768f7d9f703884aa2562bf0a651086df
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