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/* 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 "data/appsettings.h"
#include "data/inifile.h"
#define DEFINE_OVERRIDDEN_SETTING_ADVANCED(funcName, cfgEntryName, typeName) \
typeName get ## funcName() const { return getField(cfgEntryName, settings->get ## funcName()).value<typeName>(); }
#define DEFINE_OVERRIDDEN_SETTING(funcName, typeName) \
DEFINE_OVERRIDDEN_SETTING_ADVANCED(funcName, STR_VAL(funcName), typeName)
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 Instance : public SettingsBase
{
Q_OBJECT
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.
//////// STUFF ////////
/*!
* \brief Get 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.
*
* \return The instance's ID.
*/
virtual QString id();
/*!
* \brief Gets the path to the instance's root directory.
* \return The path to the instance's root directory.
*/
virtual QString rootDir();
/*!
* \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();
//////// FIELDS AND SETTINGS ////////
// Fields are options stored in the instance's config file that are specific
// to instances (not a part of SettingsBase). Settings are things overridden
// from SettingsBase.
////// Fields //////
//// General Info ////
/*!
* \brief Gets this instance's name.
* This is the name that will be displayed to the user.
* \return The instance's name.
* \sa setName
*/
virtual QString name() { return getField("name", "Unnamed Instance").value<QString>(); }
/*!
* \brief Sets the instance's name
* \param val The instance's new name.
*/
virtual void setName(QString val) { setField("name", val); }
/*!
* \brief Gets the instance's icon key.
* \return The instance's icon key.
* \sa setIconKey()
*/
virtual QString iconKey() const { return getField("iconKey", "default").value<QString>(); }
/*!
* \brief Sets the instance's icon key.
* \param val The new icon key.
*/
virtual void setIconKey(QString val) { setField("iconKey", val); }
/*!
* \brief Gets the instance's notes.
* \return The instances notes.
*/
virtual QString notes() const { return getField("notes", "").value<QString>(); }
/*!
* \brief Sets the instance's notes.
* \param val The instance's new notes.
*/
virtual void setNotes(QString val) { setField("notes", val); }
/*!
* \brief Checks if the instance's minecraft.jar needs to be rebuilt.
* If this is true, the instance's mods will be reinstalled to its
* minecraft.jar file. This value is automatically set to true when
* the jar mod list changes.
* \return Whether or not the instance's jar file should be rebuilt.
*/
virtual bool shouldRebuild() const { return getField("NeedsRebuild", false).value<bool>(); }
/*!
* \brief Sets whether or not the instance's minecraft.jar needs to be rebuilt.
* \param val Whether the instance's minecraft needs to be rebuilt or not.
*/
virtual void setShouldRebuild(bool val) { setField("NeedsRebuild", val); }
//// Version Stuff ////
/*!
* \brief Sets the instance's current version.
* This value represents the instance's current version. If this value
* is different from intendedVersion(), the instance should be updated.
* This value is updated by the updateCurrentVersion() function.
* \return A string representing the instance's current version.
*/
virtual QString currentVersion() { return getField("JarVersion", "Unknown").value<QString>(); }
/*!
* \brief Sets the instance's current version.
* This is used to keep track of the instance's current version. Don't
* mess with this unless you know what you're doing.
* \param val The new value.
*/
virtual void setCurrentVersion(QString val) { setField("JarVersion", val); }
/*!
* \brief Gets the version of LWJGL that this instance should use.
* If no LWJGL version is specified in the instance's config file,
* defaults to "Mojang"
* \return The instance's LWJGL version.
*/
virtual QString lwjglVersion() { return getField("LwjglVersion", "Mojang").value<QString>(); }
/*!
* \brief Sets the version of LWJGL that this instance should use.
* \param val The LWJGL version to use
*/
virtual void setLWJGLVersion(QString val) { setField("LwjglVersion", val); }
/*!
* \brief Gets the version that this instance should try to update to.
* If this value differs from currentVersion(), the instance will
* download the intended version when it launches.
* \return The instance's intended version.
*/
virtual QString intendedVersion() { return getField("IntendedJarVersion", currentVersion()).value<QString>(); }
/*!
* \brief Sets the version that this instance should try to update to.
* \param val The instance's new intended version.
*/
virtual void setIntendedVersion(QString val) { setField("IntendedJarVersion", val); }
//// Timestamps ////
/*!
* \brief Gets the time that the instance was last launched.
* Measured in milliseconds since epoch. QDateTime::currentMSecsSinceEpoch()
* \return The time that the instance was last launched.
*/
virtual qint64 lastLaunch() { return getField("lastLaunchTime", 0).value<qint64>(); }
/*!
* \brief Sets the time that the instance was last launched.
* \param val The time to set. Defaults to QDateTime::currentMSecsSinceEpoch()
*/
virtual void setLastLaunch(qint64 val = QDateTime::currentMSecsSinceEpoch())
{ setField("lastLaunchTime", val); }
////// Directories //////
//! Gets the path to the instance's minecraft folder.
QString minecraftDir() const;
/*!
* \brief Gets the path to the instance's instance mods folder.
* This is the folder where the jar mods are kept.
*/
QString instModsDir() const;
//! Gets the path to the instance's bin folder.
QString binDir() const;
//! Gets the path to the instance's saves folder.
QString savesDir() const;
//! Gets the path to the instance's mods folder. (.minecraft/mods)
QString mlModsDir() const;
//! Gets the path to the instance's coremods folder.
QString coreModsDir() const;
//! Gets the path to the instance's resources folder.
QString resourceDir() const;
//! Gets the path to the instance's screenshots folder.
QString screenshotsDir() const;
//! Gets the path to the instance's texture packs folder.
QString texturePacksDir() const;
////// Files //////
//! Gets the path to the instance's minecraft.jar
QString mcJar() const;
//! Gets the path to the instance's mcbackup.jar.
QString mcBackup() const;
//! Gets the path to the instance's config file.
QString configFile() const;
//! Gets the path to the instance's modlist file.
QString modListFile() const;
////// Settings //////
//// Java Settings ////
DEFINE_OVERRIDDEN_SETTING_ADVANCED(JavaPath, JPATHKEY, QString)
DEFINE_OVERRIDDEN_SETTING(JvmArgs, QString)
//// Custom Commands ////
DEFINE_OVERRIDDEN_SETTING(PreLaunchCommand, QString)
DEFINE_OVERRIDDEN_SETTING(PostExitCommand, QString)
//// Memory ////
DEFINE_OVERRIDDEN_SETTING(MinMemAlloc, int)
DEFINE_OVERRIDDEN_SETTING(MaxMemAlloc, int)
//// Auto login ////
DEFINE_OVERRIDDEN_SETTING(AutoLogin, bool)
// This little guy here is to keep Qt Creator from being a dumbass and
// auto-indenting the lines below the macros. Seriously, it's really annoying.
;
//////// 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;
protected:
/*!
* \brief Gets the value of the given field in the instance's config file.
* If the value isn't in the config file, defVal is returned instead.
* \param name The name of the field in the config file.
* \param defVal The default value.
* \return The value of the given field or defVal if the field doesn't exist.
* \sa setField()
*/
virtual QVariant getField(const QString &name, QVariant defVal = QVariant()) const;
/*!
* \brief Sets the value of the given field in the config file.
* \param name The name of the field in the config file.
* \param val The value to set the field to.
* \sa getField()
*/
virtual void setField(const QString &name, QVariant val);
// Overrides for SettingBase stuff.
virtual QVariant getValue(const QString &name, QVariant defVal = QVariant()) const
{ return settings->getValue(name, defVal); }
virtual void setValue(const QString &name, QVariant val)
{ setField(name, val); }
INIFile config;
private:
QString m_rootDir;
};
#endif // INSTANCE_H
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