pollymc/libmultimc/include/instance.h

317 lines
9.9 KiB
C++

/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef INSTANCE_H
#define INSTANCE_H
#include <QObject>
#include <QDateTime>
#include <settingsobject.h>
#include "inifile.h"
#include "instancetypeinterface.h"
#include "instversionlist.h"
#include "libmmc_config.h"
class InstanceList;
/*!
* \brief Base class for instances.
* This class implements many functions that are common between instances and
* provides a standard interface for all instances.
*
* To create a new instance type, create a new class inheriting from this class
* and implement the pure virtual functions.
*/
class LIBMULTIMC_EXPORT Instance : public QObject
{
Q_OBJECT
// Properties
/*!
* The instance's ID.
* This is a unique identifier string that is, by default, set to the
* instance's folder name. It's not always the instance's folder name,
* however, as any class deriving from Instance can override the id()
* method and change how the ID is determined. The instance's ID should
* always remain constant. Undefined behavior results if an already loaded
* instance's ID changes.
*/
Q_PROPERTY(QString id READ id STORED false)
//! Path to the instance's root directory.
Q_PROPERTY(QString rootDir READ rootDir)
//! The name of the instance that is displayed to the user.
Q_PROPERTY(QString name READ name WRITE setName)
//! The instance's icon key.
Q_PROPERTY(QString iconKey READ iconKey WRITE setIconKey)
//! The instance's notes.
Q_PROPERTY(QString notes READ notes WRITE setNotes)
//! The instance's group.
Q_PROPERTY(QString group READ group WRITE setGroup)
/*!
* Whether or not the instance's minecraft.jar needs to be rebuilt.
* If this is true, when the instance launches, its jar mods will be
* re-added to a fresh minecraft.jar file.
*/
Q_PROPERTY(bool shouldRebuild READ shouldRebuild WRITE setShouldRebuild)
/*!
* The instance's current version.
* This value represents the instance's current version. If this value is
* different from the intendedVersion, the instance should be updated.
* \warning Don't change this value unless you know what you're doing.
*/
Q_PROPERTY(QString currentVersion READ currentVersion WRITE setCurrentVersion)
/*!
* The version that the user has set for this instance to use.
* If this is not the same as currentVersion, the instance's game updater
* will be run on launch.
*/
Q_PROPERTY(QString intendedVersion READ intendedVersion WRITE setIntendedVersion)
//! The version of LWJGL that this instance uses.
Q_PROPERTY(QString lwjglVersion READ lwjglVersion WRITE setLWJGLVersion)
/*!
* Gets the time that the instance was last launched.
* Stored in milliseconds since epoch.
* This value is usually used for things like sorting instances by the time
* they were last launched.
*/
Q_PROPERTY(qint64 lastLaunch READ lastLaunch WRITE setLastLaunch)
// Dirs
//! Path to the instance's .minecraft folder.
Q_PROPERTY(QString minecraftDir READ minecraftDir STORED false)
//! Path to the instance's instMods folder.
Q_PROPERTY(QString instModsDir READ instModsDir STORED false)
//! Path to the instance's bin folder.
Q_PROPERTY(QString binDir READ binDir STORED false)
//! Path to the instance's saves folder.
Q_PROPERTY(QString savesDir READ savesDir STORED false)
//! Path to the instance's mods folder (.minecraft/mods)
Q_PROPERTY(QString mlModsDir READ mlModsDir STORED false)
//! Path to the instance's coremods folder.
Q_PROPERTY(QString coreModsDir READ coreModsDir STORED false)
//! Path to the instance's resources folder.
Q_PROPERTY(QString resourceDir READ resourceDir STORED false)
//! Path to the instance's screenshots folder.
Q_PROPERTY(QString screenshotsDir READ screenshotsDir STORED false)
//! Path to the instance's texturepacks folder.
Q_PROPERTY(QString texturePacksDir READ texturePacksDir STORED false)
// Files
//! Path to the instance's minecraft.jar
Q_PROPERTY(QString mcJar READ mcJar STORED false)
//! Path to the instance's mcbackup.jar
Q_PROPERTY(QString mcBackup READ mcBackup STORED false)
//! Path to the instance's config file.
Q_PROPERTY(QString configFile READ configFile STORED false)
//! Path to the instance's modlist file.
Q_PROPERTY(QString modListFile READ modListFile STORED false)
public:
explicit Instance(const QString &rootDir, QObject *parent = 0);
// Please, for the sake of my (and everyone else's) sanity, at least keep this shit
// *somewhat* organized. Also, documentation is semi-important here. Please don't
// leave undocumented stuff behind.
// As a side-note, doxygen processes comments for accessor functions and
// properties separately, so please document properties in the massive block of
// Q_PROPERTY declarations above rather than documenting their accessors.
//////// STUFF ////////
virtual QString id() const;
virtual QString rootDir() const;
/*!
* \brief Gets the instance list that this instance is a part of.
* Returns NULL if this instance is not in a list
* (the parent is not an InstanceList).
* \return A pointer to the InstanceList containing this instance.
*/
virtual InstanceList *instList() const;
//////// INSTANCE INFO ////////
//// General Info ////
virtual QString name() { return settings().get("name").toString(); }
virtual void setName(QString val)
{
settings().set("name", val);
emit propertiesChanged(this);
}
virtual QString iconKey() const { return settings().get("iconKey").toString(); }
virtual void setIconKey(QString val)
{
settings().set("iconKey", val);
emit propertiesChanged(this);
}
virtual QString notes() const { return settings().get("notes").toString(); }
virtual void setNotes(QString val) { settings().set("notes", val); }
virtual QString group() const { return m_group; }
virtual void setGroup(QString val)
{
m_group = val;
emit propertiesChanged(this);
}
virtual bool shouldRebuild() const { return settings().get("NeedsRebuild").toBool(); }
virtual void setShouldRebuild(bool val) { settings().set("NeedsRebuild", val); }
//// Version Stuff ////
virtual QString currentVersion() { return settings().get("JarVersion").toString(); }
virtual void setCurrentVersion(QString val) { settings().set("JarVersion", val); }
virtual QString lwjglVersion() { return settings().get("LwjglVersion").toString(); }
virtual void setLWJGLVersion(QString val) { settings().set("LwjglVersion", val); }
virtual QString intendedVersion() { return settings().get("IntendedJarVersion").toString(); }
virtual void setIntendedVersion(QString val) { settings().set("IntendedJarVersion", val); }
//// Timestamps ////
virtual qint64 lastLaunch() { return settings().get("lastLaunchTime").value<qint64>(); }
virtual void setLastLaunch(qint64 val = QDateTime::currentMSecsSinceEpoch())
{
settings().set("lastLaunchTime", val);
emit propertiesChanged(this);
}
////// Directories //////
QString minecraftDir() const;
QString instModsDir() const;
QString binDir() const;
QString savesDir() const;
QString mlModsDir() const;
QString coreModsDir() const;
QString resourceDir() const;
QString screenshotsDir() const;
QString texturePacksDir() const;
////// Files //////
QString mcJar() const;
QString mcBackup() const;
QString configFile() const;
QString modListFile() const;
//////// LISTS, LISTS, AND MORE LISTS ////////
/*!
* \brief Gets a pointer to this instance's version list.
* \return A pointer to the available version list for this instance.
*/
virtual InstVersionList *versionList() const = 0;
//////// INSTANCE TYPE STUFF ////////
/*!
* \brief Returns a pointer to this instance's type.
* \return A pointer to this instance's type interface.
*/
virtual const InstanceTypeInterface *instanceType() const = 0;
//////// OTHER FUNCTIONS ////////
//// Version System ////
/*!
* \brief Checks whether or not the currentVersion of the instance needs to be updated.
* If this returns true, updateCurrentVersion is called. In the
* standard instance, this is determined by checking a timestamp
* stored in the instance config file against the last modified time of Minecraft.jar.
* \return True if updateCurrentVersion() should be called.
*/
virtual bool shouldUpdateCurrentVersion() = 0;
/*!
* \brief Updates the current version.
* This function should first set the current version timestamp
* (setCurrentVersionTimestamp()) to the current time. Next, if
* keepCurrent is false, this function should check what the
* instance's current version is and call setCurrentVersion() to
* update it. This function will automatically be called when the
* instance is loaded if shouldUpdateCurrentVersion returns true.
* \param keepCurrent If true, only the version timestamp will be updated.
*/
virtual void updateCurrentVersion(bool keepCurrent = false) = 0;
//// Settings System ////
/*!
* \brief Gets this instance's settings object.
* This settings object stores instance-specific settings.
* \return A pointer to this instance's settings object.
*/
virtual SettingsObject &settings() const;
signals:
/*!
* \brief Signal emitted when properties relevant to the instance view change
*/
void propertiesChanged(Instance * inst);
private:
QString m_rootDir;
QString m_group;
SettingsObject *m_settings;
};
// pointer for lazy people
typedef QSharedPointer<Instance> InstancePtr;
#endif // INSTANCE_H