WTF, I don't even...

backend/LegacyInstance.h

@@ -1 +1,103 @@
-#pragma once
+#pragma once
+
+#include "BaseInstance.h"
+
+class LIBMULTIMC_EXPORT LegacyInstance : public BaseInstance
+{
+	Q_OBJECT
+public:
+	
+	explicit LegacyInstance(const QString &rootDir, SettingsObject * settings, QObject *parent = 0);
+	
+	/// Path to the instance's minecraft.jar
+	QString mcJar() const;
+	
+	//! Path to the instance's mcbackup.jar
+	QString mcBackup() const;
+	
+	//! Path to the instance's modlist file.
+	QString modListFile() const;
+	
+	////// Directories //////
+	QString minecraftDir() const;
+	QString instModsDir() const;
+	QString binDir() const;
+	QString savesDir() const;
+	QString mlModsDir() const;
+	QString coreModsDir() const;
+	QString resourceDir() const;
+	
+	/*!
+	 * \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.
+	 */
+	bool shouldUpdateCurrentVersion() const;
+	
+	/*!
+	 * \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.
+	 */
+	void updateCurrentVersion(bool keepCurrent = false); 
+	
+	/*!
+	 * Gets the last time that the current version was checked.
+	 * This is checked against the last modified time on the jar file to see if
+	 * the current version needs to be checked again.
+	 */
+	qint64 lastCurrentVersionUpdate() const;
+	void setLastCurrentVersionUpdate(qint64 val);
+	
+	
+	/*!
+	 * 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.
+	 */
+	bool shouldRebuild() const;
+	void setShouldRebuild(bool val);
+	
+	
+	/*!
+	 * 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.
+	 */
+	QString currentVersion() const;
+	void setCurrentVersion(QString val);
+
+	//! The version of LWJGL that this instance uses.
+	QString lwjglVersion() const;
+	void setLWJGLVersion(QString val);
+	
+	/*!
+	 * 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.
+	 */
+	QString intendedVersion() const;
+	void setIntendedVersion(QString val);
+	
+	/*!
+	 * Whether or not Minecraft should be downloaded when the instance is launched.
+	 * This returns true if shouldForceUpdate game is true or if the intended and 
+	 * current versions don't match.
+	 */
+	bool shouldUpdate() const;
+	void setShouldUpdate(bool val);
+	
+	/// return a valid GameUpdateTask if an update is needed, return NULL otherwise
+	virtual GameUpdateTask* doUpdate();
+	
+	/// prepare the instance for launch and return a constructed MinecraftProcess instance
+	virtual MinecraftProcess* prepareForLaunch( QString user, QString session );
+};