18 files changed, 27 insertions, 1777 deletions

diff --git a/api/logic/CMakeLists.txt b/api/logic/CMakeLists.txt
index f14b8662..b605fbd3 100644
--- a/api/logic/CMakeLists.txt
+++ b/api/logic/CMakeLists.txt
@@ -296,22 +296,10 @@ set(MINECRAFT_SOURCES
 	minecraft/AssetsUtils.cpp
 
 	# Forge and all things forge related
-	minecraft/forge/ForgeVersion.h
-	minecraft/forge/ForgeVersion.cpp
-	minecraft/forge/ForgeVersionList.h
-	minecraft/forge/ForgeVersionList.cpp
 	minecraft/forge/ForgeXzDownload.h
 	minecraft/forge/ForgeXzDownload.cpp
-	minecraft/forge/LegacyForge.h
-	minecraft/forge/LegacyForge.cpp
-	minecraft/forge/ForgeInstaller.h
-	minecraft/forge/ForgeInstaller.cpp
-
-	# Liteloader and related things
-	minecraft/liteloader/LiteLoaderInstaller.h
-	minecraft/liteloader/LiteLoaderInstaller.cpp
-	minecraft/liteloader/LiteLoaderVersionList.h
-	minecraft/liteloader/LiteLoaderVersionList.cpp
+
+	# Skin upload utilities
 	minecraft/SkinUpload.cpp
 	minecraft/SkinUpload.h
 	)
diff --git a/api/logic/minecraft/MinecraftProfile.cpp b/api/logic/minecraft/MinecraftProfile.cpp
index 46235a18..b74141d6 100644
--- a/api/logic/minecraft/MinecraftProfile.cpp
+++ b/api/logic/minecraft/MinecraftProfile.cpp
@@ -621,6 +621,11 @@ void MinecraftProfile::installJarMods(QStringList selectedFiles)
 	m_strategy->installJarMods(selectedFiles);
 }
 
+void MinecraftProfile::installVersion(BaseVersionPtr version)
+{
+	// TODO: implement
+}
+
 /*
  * TODO: get rid of this. Get rid of all order numbers.
  */
diff --git a/api/logic/minecraft/MinecraftProfile.h b/api/logic/minecraft/MinecraftProfile.h
index 392c8f5f..a6845e9c 100644
--- a/api/logic/minecraft/MinecraftProfile.h
+++ b/api/logic/minecraft/MinecraftProfile.h
@@ -24,6 +24,7 @@
 #include "Library.h"
 #include "VersionFile.h"
 #include "JarMod.h"
+#include "BaseVersion.h"
 #include "MojangDownloadInfo.h"
 
 #include "multimc_logic_export.h"
@@ -58,6 +59,9 @@ public:
 	/// install more jar mods
 	void installJarMods(QStringList selectedFiles);
 
+	/// install more jar mods
+	void installVersion(BaseVersionPtr version);
+
 	/// DEPRECATED, remove ASAP
 	int getFreeOrderNumber();
 
diff --git a/api/logic/minecraft/forge/ForgeInstaller.cpp b/api/logic/minecraft/forge/ForgeInstaller.cpp
deleted file mode 100644
index f7ce4dec..00000000
--- a/api/logic/minecraft/forge/ForgeInstaller.cpp
+++ /dev/null
@@ -1,465 +0,0 @@
-/* Copyright 2013-2017 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.
- */
-
-#include "ForgeInstaller.h"
-#include "ForgeVersionList.h"
-
-#include "minecraft/MinecraftProfile.h"
-#include "minecraft/GradleSpecifier.h"
-#include "net/HttpMetaCache.h"
-#include "tasks/Task.h"
-#include "minecraft/onesix/OneSixInstance.h"
-#include <minecraft/onesix/OneSixVersionFormat.h>
-#include "minecraft/VersionFilterData.h"
-#include "Env.h"
-#include "Exception.h"
-#include <FileSystem.h>
-
-#include <quazip.h>
-#include <quazipfile.h>
-#include <QStringList>
-#include <QRegularExpression>
-#include <QRegularExpressionMatch>
-
-#include <QJsonDocument>
-#include <QJsonArray>
-#include <QSaveFile>
-#include <QCryptographicHash>
-
-ForgeInstaller::ForgeInstaller() : BaseInstaller()
-{
-}
-
-void ForgeInstaller::prepare(const QString &filename, const QString &universalUrl)
-{
-	VersionFilePtr newVersion;
-	m_universal_url = universalUrl;
-
-	QuaZip zip(filename);
-	if (!zip.open(QuaZip::mdUnzip))
-		return;
-
-	QuaZipFile file(&zip);
-
-	// read the install profile
-	if (!zip.setCurrentFile("install_profile.json"))
-		return;
-
-	QJsonParseError jsonError;
-	if (!file.open(QIODevice::ReadOnly))
-		return;
-	QJsonDocument jsonDoc = QJsonDocument::fromJson(file.readAll(), &jsonError);
-	file.close();
-	if (jsonError.error != QJsonParseError::NoError)
-		return;
-
-	if (!jsonDoc.isObject())
-		return;
-
-	QJsonObject root = jsonDoc.object();
-
-	auto installVal = root.value("install");
-	auto versionInfoVal = root.value("versionInfo");
-	if (!installVal.isObject() || !versionInfoVal.isObject())
-		return;
-
-	try
-	{
-		newVersion = OneSixVersionFormat::versionFileFromJson(QJsonDocument(versionInfoVal.toObject()), QString(), false);
-	}
-	catch(Exception &err)
-	{
-		qWarning() << "Forge: Fatal error while parsing version file:" << err.what();
-		return;
-	}
-
-	for(auto problem: newVersion->getProblems())
-	{
-		qWarning() << "Forge: Problem found: " << problem.getDescription();
-	}
-	if(newVersion->getProblemSeverity() == ProblemSeverity::PROBLEM_ERROR)
-	{
-		qWarning() << "Forge: Errors found while parsing version file";
-		return;
-	}
-
-	QJsonObject installObj = installVal.toObject();
-	QString libraryName = installObj.value("path").toString();
-	internalPath = installObj.value("filePath").toString();
-	m_forgeVersionString = installObj.value("version").toString().remove("Forge", Qt::CaseInsensitive).trimmed();
-
-	// where do we put the library? decode the mojang path
-	GradleSpecifier lib(libraryName);
-
-	auto cacheentry = ENV.metacache()->resolveEntry("libraries", lib.toPath());
-	finalPath = "libraries/" + lib.toPath();
-	if (!FS::ensureFilePathExists(finalPath))
-		return;
-
-	if (!zip.setCurrentFile(internalPath))
-		return;
-	if (!file.open(QIODevice::ReadOnly))
-		return;
-	{
-		QByteArray data = file.readAll();
-		// extract file
-		QSaveFile extraction(finalPath);
-		if (!extraction.open(QIODevice::WriteOnly))
-			return;
-		if (extraction.write(data) != data.size())
-			return;
-		if (!extraction.commit())
-			return;
-		QCryptographicHash md5sum(QCryptographicHash::Md5);
-		md5sum.addData(data);
-
-		cacheentry->setStale(false);
-		cacheentry->setMD5Sum(md5sum.result().toHex().constData());
-		ENV.metacache()->updateEntry(cacheentry);
-	}
-	file.close();
-
-	m_forge_json = newVersion;
-}
-
-bool ForgeInstaller::add(OneSixInstance *to)
-{
-	return false;
-	// TODO: move to python code.
-/*
-	if (!BaseInstaller::add(to))
-	{
-		return false;
-	}
-
-	if (!m_forge_json)
-	{
-		return false;
-	}
-
-	// A blacklist
-	QSet<QString> blacklist{"authlib", "realms"};
-	QList<QString> xzlist{"org.scala-lang", "com.typesafe"};
-
-	// get the minecraft version from the instance
-	VersionFilePtr minecraft;
-	auto minecraftPatch = to->getMinecraftProfile()->versionPatch("net.minecraft");
-	if(minecraftPatch)
-	{
-		minecraft = std::dynamic_pointer_cast<VersionFile>(minecraftPatch);
-		if(!minecraft)
-		{
-			auto mcWrap = std::dynamic_pointer_cast<MinecraftVersion>(minecraftPatch);
-			if(mcWrap)
-			{
-				minecraft = mcWrap->getVersionFile();
-			}
-		}
-	}
-
-	// for each library in the version we are adding (except for the blacklisted)
-	QMutableListIterator<LibraryPtr> iter(m_forge_json->libraries);
-	while (iter.hasNext())
-	{
-		auto library = iter.next();
-		QString libName = library->artifactId();
-		QString libVersion = library->version();
-		QString rawName = library->rawName();
-
-		// ignore lwjgl libraries.
-		if (g_VersionFilterData.lwjglWhitelist.contains(library->artifactPrefix()))
-		{
-			iter.remove();
-			continue;
-		}
-		// ignore other blacklisted (realms, authlib)
-		if (blacklist.contains(libName))
-		{
-			iter.remove();
-			continue;
-		}
-		// if minecraft version was found, ignore everything that is already in the minecraft version
-		if(minecraft)
-		{
-			bool found = false;
-			for (auto & lib: minecraft->libraries)
-			{
-				if(library->artifactPrefix() == lib->artifactPrefix() && library->version() == lib->version())
-				{
-					found = true;
-					break;
-				}
-			}
-			if (found)
-				continue;
-		}
-
-		// if this is the actual forge lib, set an absolute url for the download
-		if (m_forge_version->type == ForgeVersion::Gradle)
-		{
-			if (libName == "forge")
-			{
-				library->setClassifier("universal");
-			}
-			else if (libName == "minecraftforge")
-			{
-				QString forgeCoord("net.minecraftforge:forge:%1:universal");
-				// using insane form of the MC version...
-				QString longVersion = m_forge_version->mcver + "-" + m_forge_version->jobbuildver;
-				GradleSpecifier spec(forgeCoord.arg(longVersion));
-				library->setRawName(spec);
-			}
-		}
-		else
-		{
-			if (libName.contains("minecraftforge"))
-			{
-				library->setAbsoluteUrl(m_universal_url);
-			}
-		}
-
-		// mark bad libraries based on the xzlist above
-		for (auto entry : xzlist)
-		{
-			qDebug() << "Testing " << rawName << " : " << entry;
-			if (rawName.startsWith(entry))
-			{
-				library->setHint("forge-pack-xz");
-				break;
-			}
-		}
-	}
-	QString &args = m_forge_json->minecraftArguments;
-	QStringList tweakers;
-	{
-		QRegularExpression expression("--tweakClass ([a-zA-Z0-9\\.]*)");
-		QRegularExpressionMatch match = expression.match(args);
-		while (match.hasMatch())
-		{
-			tweakers.append(match.captured(1));
-			args.remove(match.capturedStart(), match.capturedLength());
-			match = expression.match(args);
-		}
-		if(tweakers.size())
-		{
-			args.operator=(args.trimmed());
-			m_forge_json->addTweakers = tweakers;
-		}
-	}
-	if(minecraft && args == minecraft->minecraftArguments)
-	{
-		args.clear();
-	}
-
-	m_forge_json->name = "Forge";
-	m_forge_json->fileId = id();
-	m_forge_json->version = m_forgeVersionString;
-	m_forge_json->dependsOnMinecraftVersion = to->intendedVersionId();
-	m_forge_json->order = 5;
-
-	// reset some things we do not want to be passed along.
-	m_forge_json->m_releaseTime = QDateTime();
-	m_forge_json->m_updateTime = QDateTime();
-	m_forge_json->minimumLauncherVersion = -1;
-	m_forge_json->type.clear();
-	m_forge_json->minecraftArguments.clear();
-	m_forge_json->minecraftVersion.clear();
-
-	QSaveFile file(filename(to->instanceRoot()));
-	if (!file.open(QFile::WriteOnly))
-	{
-		qCritical() << "Error opening" << file.fileName()
-					 << "for reading:" << file.errorString();
-		return false;
-	}
-	file.write(OneSixVersionFormat::versionFileToJson(m_forge_json, true).toJson());
-	file.commit();
-
-	return true;
-	*/
-}
-
-bool ForgeInstaller::addLegacy(OneSixInstance *to)
-{
-	return false;
-	//FIXME: move to python code.
-	/*
-	if (!BaseInstaller::add(to))
-	{
-		return false;
-	}
-	auto entry = ENV.metacache()->resolveEntry("minecraftforge", m_forge_version->filename());
-	finalPath = FS::PathCombine(to->jarModsDir(), m_forge_version->filename());
-	if (!FS::ensureFilePathExists(finalPath))
-	{
-		return false;
-	}
-	if (!QFile::copy(entry->getFullPath(), finalPath))
-	{
-		return false;
-	}
-	QJsonObject obj;
-	obj.insert("order", 5);
-	{
-		QJsonArray jarmodsPlus;
-		{
-			QJsonObject libObj;
-			libObj.insert("name", m_forge_version->universal_filename);
-			jarmodsPlus.append(libObj);
-		}
-		obj.insert("+jarMods", jarmodsPlus);
-	}
-
-	obj.insert("name", QString("Forge"));
-	obj.insert("fileId", id());
-	obj.insert("version", m_forge_version->jobbuildver);
-	obj.insert("mcVersion", to->intendedVersionId());
-	if (g_VersionFilterData.fmlLibsMapping.contains(m_forge_version->mcver))
-	{
-		QJsonArray traitsPlus;
-		traitsPlus.append(QString("legacyFML"));
-		obj.insert("+traits", traitsPlus);
-	}
-	auto fullversion = to->getMinecraftProfile();
-	fullversion->remove("net.minecraftforge");
-
-	QFile file(filename(to->instanceRoot()));
-	if (!file.open(QFile::WriteOnly))
-	{
-		qCritical() << "Error opening" << file.fileName()
-					 << "for reading:" << file.errorString();
-		return false;
-	}
-	file.write(QJsonDocument(obj).toJson());
-	file.close();
-	return true;
-	*/
-}
-
-class ForgeInstallTask : public Task
-{
-	Q_OBJECT
-public:
-	ForgeInstallTask(ForgeInstaller *installer, OneSixInstance *instance,
-					 BaseVersionPtr version, QObject *parent = 0)
-		: Task(parent), m_installer(installer), m_instance(instance), m_version(version)
-	{
-	}
-
-protected:
-	void executeTask() override
-	{
-		setStatus(tr("Installing Forge..."));
-		ForgeVersionPtr forgeVersion = std::dynamic_pointer_cast<ForgeVersion>(m_version);
-		if (!forgeVersion)
-		{
-			emitFailed(tr("Unknown error occured"));
-			return;
-		}
-		prepare(forgeVersion);
-	}
-	void prepare(ForgeVersionPtr forgeVersion)
-	{
-		auto entry = ENV.metacache()->resolveEntry("minecraftforge", forgeVersion->filename());
-		auto installFunction = [this, entry, forgeVersion]()
-		{
-			if (!install(entry, forgeVersion))
-			{
-				qCritical() << "Failure installing Forge";
-				emitFailed(tr("Failure to install Forge"));
-			}
-			else
-			{
-				reload();
-			}
-		};
-
-		/*
-		 * HACK IF the local non-stale file is too small, mark is as stale
-		 *
-		 * This fixes some problems with bad files acquired because of unhandled HTTP redirects
-		 * in old versions of MultiMC.
-		 */
-		if (!entry->isStale())
-		{
-			QFileInfo localFile(entry->getFullPath());
-			if (localFile.size() <= 0x4000)
-			{
-				entry->setStale(true);
-			}
-		}
-
-		if (entry->isStale())
-		{
-			NetJob *fjob = new NetJob("Forge download");
-			fjob->addNetAction(Net::Download::makeCached(forgeVersion->url(), entry));
-			connect(fjob, &NetJob::progress, this, &Task::setProgress);
-			connect(fjob, &NetJob::status, this, &Task::setStatus);
-			connect(fjob, &NetJob::failed, [this](QString reason)
-			{ emitFailed(tr("Failure to download Forge:\n%1").arg(reason)); });
-			connect(fjob, &NetJob::succeeded, installFunction);
-			fjob->start();
-		}
-		else
-		{
-			installFunction();
-		}
-	}
-	bool install(const std::shared_ptr<MetaEntry> &entry, const ForgeVersionPtr &forgeVersion)
-	{
-		if (forgeVersion->usesInstaller())
-		{
-			QString forgePath = entry->getFullPath();
-			m_installer->prepare(forgePath, forgeVersion->universal_url);
-			return m_installer->add(m_instance);
-		}
-		else
-			return m_installer->addLegacy(m_instance);
-	}
-	void reload()
-	{
-		try
-		{
-			m_instance->reloadProfile();
-			emitSucceeded();
-		}
-		catch (Exception &e)
-		{
-			emitFailed(e.cause());
-		}
-		catch (...)
-		{
-			emitFailed(tr("Failed to load the version description file for reasons unknown."));
-		}
-	}
-
-private:
-	ForgeInstaller *m_installer;
-	OneSixInstance *m_instance;
-	BaseVersionPtr m_version;
-};
-
-Task *ForgeInstaller::createInstallTask(OneSixInstance *instance,
-													BaseVersionPtr version, QObject *parent)
-{
-	if (!version)
-	{
-		return nullptr;
-	}
-	m_forge_version = std::dynamic_pointer_cast<ForgeVersion>(version);
-	return new ForgeInstallTask(this, instance, version, parent);
-}
-
-#include "ForgeInstaller.moc"
diff --git a/api/logic/minecraft/forge/ForgeInstaller.h b/api/logic/minecraft/forge/ForgeInstaller.h
deleted file mode 100644
index 26286be7..00000000
--- a/api/logic/minecraft/forge/ForgeInstaller.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* Copyright 2013-2017 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.
- */
-
-#pragma once
-
-#include "BaseInstaller.h"
-
-#include <QString>
-#include <memory>
-
-#include "multimc_logic_export.h"
-
-class VersionFile;
-class ForgeInstallTask;
-struct ForgeVersion;
-
-class MULTIMC_LOGIC_EXPORT ForgeInstaller : public BaseInstaller
-{
-	friend class ForgeInstallTask;
-public:
-	ForgeInstaller();
-	virtual ~ForgeInstaller(){}
-	virtual Task *createInstallTask(OneSixInstance *instance, BaseVersionPtr version, QObject *parent) override;
-	virtual QString id() const override { return "net.minecraftforge"; }
-
-protected:
-	void prepare(const QString &filename, const QString &universalUrl);
-	bool add(OneSixInstance *to) override;
-	bool addLegacy(OneSixInstance *to);
-
-private:
-	// the parsed version json, read from the installer
-	std::shared_ptr<VersionFile> m_forge_json;
-	// the actual forge version
-	std::shared_ptr<ForgeVersion> m_forge_version;
-	QString internalPath;
-	QString finalPath;
-	QString m_forgeVersionString;
-	QString m_universal_url;
-};
diff --git a/api/logic/minecraft/forge/ForgeVersion.cpp b/api/logic/minecraft/forge/ForgeVersion.cpp
deleted file mode 100644
index b859a28c..00000000
--- a/api/logic/minecraft/forge/ForgeVersion.cpp
+++ /dev/null
@@ -1,55 +0,0 @@
-#include "ForgeVersion.h"
-#include "minecraft/VersionFilterData.h"
-#include <QObject>
-
-QString ForgeVersion::name()
-{
-	return "Forge " + jobbuildver;
-}
-
-QString ForgeVersion::descriptor()
-{
-	return universal_filename;
-}
-
-QString ForgeVersion::typeString() const
-{
-	if (is_recommended)
-		return QObject::tr("Recommended");
-	return QString();
-}
-
-bool ForgeVersion::operator<(BaseVersion &a)
-{
-	ForgeVersion *pa = dynamic_cast<ForgeVersion *>(&a);
-	if (!pa)
-		return true;
-	return m_buildnr < pa->m_buildnr;
-}
-
-bool ForgeVersion::operator>(BaseVersion &a)
-{
-	ForgeVersion *pa = dynamic_cast<ForgeVersion *>(&a);
-	if (!pa)
-		return false;
-	return m_buildnr > pa->m_buildnr;
-}
-
-bool ForgeVersion::usesInstaller()
-{
-	if(installer_url.isEmpty())
-		return false;
-	if(g_VersionFilterData.forgeInstallerBlacklist.contains(mcver))
-		return false;
-	return true;
-}
-
-QString ForgeVersion::filename()
-{
-	return usesInstaller() ? installer_filename : universal_filename;
-}
-
-QString ForgeVersion::url()
-{
-	return usesInstaller() ? installer_url : universal_url;
-}
diff --git a/api/logic/minecraft/forge/ForgeVersion.h b/api/logic/minecraft/forge/ForgeVersion.h
deleted file mode 100644
index e77d32f1..00000000
--- a/api/logic/minecraft/forge/ForgeVersion.h
+++ /dev/null
@@ -1,42 +0,0 @@
-#pragma once
-#include <QString>
-#include <memory>
-#include "BaseVersion.h"
-
-struct ForgeVersion;
-typedef std::shared_ptr<ForgeVersion> ForgeVersionPtr;
-
-struct ForgeVersion : public BaseVersion
-{
-	virtual QString descriptor() override;
-	virtual QString name() override;
-	virtual QString typeString() const override;
-	virtual bool operator<(BaseVersion &a) override;
-	virtual bool operator>(BaseVersion &a) override;
-
-	QString filename();
-	QString url();
-	
-	enum
-	{
-		Invalid,
-		Legacy,
-		Gradle
-	} type = Invalid;
-	
-	bool usesInstaller();
-
-	int m_buildnr = 0;
-	QString branch;
-	QString universal_url;
-	QString changelog_url;
-	QString installer_url;
-	QString jobbuildver;
-	QString mcver;
-	QString mcver_sane;
-	QString universal_filename;
-	QString installer_filename;
-	bool is_recommended = false;
-};
-
-Q_DECLARE_METATYPE(ForgeVersionPtr)
diff --git a/api/logic/minecraft/forge/ForgeVersionList.cpp b/api/logic/minecraft/forge/ForgeVersionList.cpp
deleted file mode 100644
index 2fb3d012..00000000
--- a/api/logic/minecraft/forge/ForgeVersionList.cpp
+++ /dev/null
@@ -1,333 +0,0 @@
-/* Copyright 2013-2017 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.
- */
-
-#include "ForgeVersionList.h"
-#include "ForgeVersion.h"
-
-#include "net/NetJob.h"
-#include "net/URLConstants.h"
-#include "Env.h"
-
-#include <QtNetwork>
-#include <QtXml>
-#include <QRegExp>
-
-#include <QDebug>
-
-ForgeVersionList::ForgeVersionList(QObject *parent) : BaseVersionList(parent)
-{
-}
-
-Task *ForgeVersionList::getLoadTask()
-{
-	return new ForgeListLoadTask(this);
-}
-
-bool ForgeVersionList::isLoaded()
-{
-	return m_loaded;
-}
-
-const BaseVersionPtr ForgeVersionList::at(int i) const
-{
-	return m_vlist.at(i);
-}
-
-int ForgeVersionList::count() const
-{
-	return m_vlist.count();
-}
-
-int ForgeVersionList::columnCount(const QModelIndex &parent) const
-{
-	return 1;
-}
-
-QVariant ForgeVersionList::data(const QModelIndex &index, int role) const
-{
-	if (!index.isValid())
-		return QVariant();
-
-	if (index.row() > count())
-		return QVariant();
-
-	auto version = std::dynamic_pointer_cast<ForgeVersion>(m_vlist[index.row()]);
-	switch (role)
-	{
-	case VersionPointerRole:
-		return qVariantFromValue(m_vlist[index.row()]);
-
-	case VersionRole:
-		return version->name();
-
-	case VersionIdRole:
-		return version->descriptor();
-
-	case ParentGameVersionRole:
-		return version->mcver_sane;
-
-	case RecommendedRole:
-		return version->is_recommended;
-
-	case BranchRole:
-		return version->branch;
-
-	default:
-		return QVariant();
-	}
-}
-
-BaseVersionList::RoleList ForgeVersionList::providesRoles() const
-{
-	return {VersionPointerRole, VersionRole, VersionIdRole, ParentGameVersionRole, RecommendedRole, BranchRole};
-}
-
-BaseVersionPtr ForgeVersionList::getLatestStable() const
-{
-	return BaseVersionPtr();
-}
-
-void ForgeVersionList::updateListData(QList<BaseVersionPtr> versions)
-{
-	beginResetModel();
-	m_vlist = versions;
-	m_loaded = true;
-	endResetModel();
-	// NOW SORT!!
-	// sort();
-}
-
-void ForgeVersionList::sortVersions()
-{
-	// NO-OP for now
-}
-
-ForgeListLoadTask::ForgeListLoadTask(ForgeVersionList *vlist) : Task()
-{
-	m_list = vlist;
-}
-
-void ForgeListLoadTask::executeTask()
-{
-	setStatus(tr("Fetching Forge version lists..."));
-	auto job = new NetJob("Version index");
-	// we do not care if the version is stale or not.
-	auto forgeListEntry = ENV.metacache()->resolveEntry("minecraftforge", "list.json");
-	auto gradleForgeListEntry = ENV.metacache()->resolveEntry("minecraftforge", "json");
-
-	// verify by poking the server.
-	forgeListEntry->setStale(true);
-	gradleForgeListEntry->setStale(true);
-
-	job->addNetAction(listDownload = Net::Download::makeCached(QUrl(URLConstants::FORGE_LEGACY_URL),forgeListEntry));
-	job->addNetAction(gradleListDownload = Net::Download::makeCached(QUrl(URLConstants::FORGE_GRADLE_URL), gradleForgeListEntry));
-
-	connect(listDownload.get(), SIGNAL(failed(int)), SLOT(listFailed()));
-	connect(gradleListDownload.get(), SIGNAL(failed(int)), SLOT(gradleListFailed()));
-
-	listJob.reset(job);
-	connect(listJob.get(), SIGNAL(succeeded()), SLOT(listDownloaded()));
-	connect(listJob.get(), SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
-	listJob->start();
-}
-
-bool ForgeListLoadTask::abort()
-{
-	return listJob->abort();
-}
-
-bool ForgeListLoadTask::parseForgeGradleList(QList<BaseVersionPtr> &out)
-{
-	QMap<int, std::shared_ptr<ForgeVersion>> lookup;
-	QByteArray data;
-	{
-		auto filename = gradleListDownload->getTargetFilepath();
-		QFile listFile(filename);
-		if (!listFile.open(QIODevice::ReadOnly))
-		{
-			return false;
-		}
-		data = listFile.readAll();
-		gradleListDownload.reset();
-	}
-
-	QJsonParseError jsonError;
-	QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &jsonError);
-
-	if (jsonError.error != QJsonParseError::NoError)
-	{
-		emitFailed("Error parsing gradle version list JSON:" + jsonError.errorString());
-		return false;
-	}
-
-	if (!jsonDoc.isObject())
-	{
-		emitFailed("Error parsing gradle version list JSON: JSON root is not an object");
-		return false;
-	}
-
-	QJsonObject root = jsonDoc.object();
-
-	// we probably could hard code these, but it might still be worth doing it this way
-	const QString webpath = root.value("webpath").toString();
-	const QString artifact = root.value("artifact").toString();
-
-	QJsonObject numbers = root.value("number").toObject();
-	for (auto it = numbers.begin(); it != numbers.end(); ++it)
-	{
-		QJsonObject number = it.value().toObject();
-		std::shared_ptr<ForgeVersion> fVersion(new ForgeVersion());
-		fVersion->m_buildnr = number.value("build").toDouble();
-		if(fVersion->m_buildnr >= 953 && fVersion->m_buildnr <= 965)
-		{
-			qDebug() << fVersion->m_buildnr;
-		}
-		fVersion->jobbuildver = number.value("version").toString();
-		fVersion->branch = number.value("branch").toString("");
-		fVersion->mcver = number.value("mcversion").toString();
-		fVersion->universal_filename = "";
-		fVersion->installer_filename = "";
-		// HACK: here, we fix the minecraft version used by forge.
-		// HACK: this will inevitably break (later)
-		// FIXME: replace with a dictionary
-		fVersion->mcver_sane = fVersion->mcver;
-		fVersion->mcver_sane.replace("_pre", "-pre");
-
-		QString universal_filename, installer_filename;
-		QJsonArray files = number.value("files").toArray();
-		for (auto fIt = files.begin(); fIt != files.end(); ++fIt)
-		{
-			// TODO with gradle we also get checksums, use them
-			QJsonArray file = (*fIt).toArray();
-			if (file.size() < 3)
-			{
-				continue;
-			}
-
-			QString extension = file.at(0).toString();
-			QString part = file.at(1).toString();
-			QString checksum = file.at(2).toString();
-
-			// insane form of mcver is used here
-			QString longVersion = fVersion->mcver + "-" + fVersion->jobbuildver;
-			if (!fVersion->branch.isEmpty())
-			{
-				longVersion = longVersion + "-" + fVersion->branch;
-			}
-			QString filename = artifact + "-" + longVersion + "-" + part + "." + extension;
-
-			QString url = QString("%1/%2/%3")
-							  .arg(webpath)
-							  .arg(longVersion)
-							  .arg(filename);
-
-			if (part == "installer")
-			{
-				fVersion->installer_url = url;
-				installer_filename = filename;
-			}
-			else if (part == "universal" || part == "client")
-			{
-				fVersion->universal_url = url;
-				universal_filename = filename;
-			}
-			else if (part == "changelog")
-			{
-				fVersion->changelog_url = url;
-			}
-		}
-		if (fVersion->installer_url.isEmpty() && fVersion->universal_url.isEmpty())
-		{
-			continue;
-		}
-		fVersion->universal_filename = universal_filename;
-		fVersion->installer_filename = installer_filename;
-		fVersion->type = ForgeVersion::Gradle;
-		out.append(fVersion);
-		lookup[fVersion->m_buildnr] = fVersion;
-	}
-	QJsonObject promos = root.value("promos").toObject();
-	for (auto it = promos.begin(); it != promos.end(); ++it)
-	{
-		QString key = it.key();
-		int build = it.value().toInt();
-		QRegularExpression regexp("^(?<mcversion>[0-9]+(.[0-9]+)*)-(?<label>[a-z]+)$");
-		auto match = regexp.match(key);
-		if(!match.hasMatch())
-		{
-			qDebug() << key << "doesn't match." << "build" << build;
-			continue;
-		}
-
-		QString label = match.captured("label");
-		if(label != "recommended")
-		{
-			continue;
-		}
-		QString mcversion = match.captured("mcversion");
-		qDebug() << "Forge build" << build << "is the" << label << "for Minecraft" << mcversion << QString("<%1>").arg(key);
-		lookup[build]->is_recommended = true;
-	}
-	return true;
-}
-
-void ForgeListLoadTask::listDownloaded()
-{
-	QList<BaseVersionPtr> list;
-	bool ret = true;
-
-	if (!parseForgeGradleList(list))
-	{
-		ret = false;
-	}
-
-	if (!ret)
-	{
-		return;
-	}
-	std::sort(list.begin(), list.end(), [](const BaseVersionPtr & l, const BaseVersionPtr & r)
-	{ return (*l > *r); });
-
-	m_list->updateListData(list);
-
-	emitSucceeded();
-	return;
-}
-
-void ForgeListLoadTask::listFailed()
-{
-	auto &reply = listDownload->m_reply;
-	if (reply)
-	{
-		qCritical() << "Getting forge version list failed: " << reply->errorString();
-	}
-	else
-	{
-		qCritical() << "Getting forge version list failed for reasons unknown.";
-	}
-}
-
-void ForgeListLoadTask::gradleListFailed()
-{
-	auto &reply = gradleListDownload->m_reply;
-	if (reply)
-	{
-		qCritical() << "Getting forge version list failed: " << reply->errorString();
-	}
-	else
-	{
-		qCritical() << "Getting forge version list failed for reasons unknown.";
-	}
-}
diff --git a/api/logic/minecraft/forge/ForgeVersionList.h b/api/logic/minecraft/forge/ForgeVersionList.h
deleted file mode 100644
index ee4b79d2..00000000
--- a/api/logic/minecraft/forge/ForgeVersionList.h
+++ /dev/null
@@ -1,90 +0,0 @@
-/* Copyright 2013-2017 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.
- */
-
-#pragma once
-
-#include "ForgeVersion.h"
-
-#include <QObject>
-#include <QAbstractListModel>
-#include <QUrl>
-#include <QNetworkReply>
-
-#include "BaseVersionList.h"
-#include "tasks/Task.h"
-#include "net/NetJob.h"
-
-#include "multimc_logic_export.h"
-
-class MULTIMC_LOGIC_EXPORT ForgeVersionList : public BaseVersionList
-{
-	Q_OBJECT
-public:
-	friend class ForgeListLoadTask;
-
-	explicit ForgeVersionList(QObject *parent = 0);
-
-	virtual Task *getLoadTask() override;
-	virtual bool isLoaded() override;
-	virtual const BaseVersionPtr at(int i) const override;
-	virtual int count() const override;
-	virtual void sortVersions() override;
-
-	virtual BaseVersionPtr getLatestStable() const override;
-
-	ForgeVersionPtr findVersionByVersionNr(QString version);
-
-	virtual QVariant data(const QModelIndex &index, int role) const override;
-	virtual RoleList providesRoles() const override;
-
-	virtual int columnCount(const QModelIndex &parent) const override;
-
-protected:
-	QList<BaseVersionPtr> m_vlist;
-
-	bool m_loaded = false;
-
-protected
-slots:
-	virtual void updateListData(QList<BaseVersionPtr> versions) override;
-};
-
-class ForgeListLoadTask : public Task
-{
-	Q_OBJECT
-
-public:
-	explicit ForgeListLoadTask(ForgeVersionList *vlist);
-
-	virtual void executeTask();
-	virtual bool abort();
-
-protected
-slots:
-	void listDownloaded();
-	void listFailed();
-	void gradleListFailed();
-
-protected:
-	NetJobPtr listJob;
-	ForgeVersionList *m_list;
-
-	Net::Download::Ptr listDownload;
-	Net::Download::Ptr gradleListDownload;
-
-private:
-	bool parseForgeList(QList<BaseVersionPtr> &out);
-	bool parseForgeGradleList(QList<BaseVersionPtr> &out);
-};
diff --git a/api/logic/minecraft/forge/LegacyForge.cpp b/api/logic/minecraft/forge/LegacyForge.cpp
deleted file mode 100644
index 2e4508e9..00000000
--- a/api/logic/minecraft/forge/LegacyForge.cpp
+++ /dev/null
@@ -1,56 +0,0 @@
-/* Copyright 2013-2017 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.
- */
-
-#include "LegacyForge.h"
-
-MinecraftForge::MinecraftForge(const QString &file) : Mod(file)
-{
-}
-
-bool MinecraftForge::FixVersionIfNeeded(QString newVersion)
-{/*
-	wxString reportedVersion = GetModVersion();
-	if(reportedVersion == "..." || reportedVersion.empty())
-	{
-		std::auto_ptr<wxFFileInputStream> in(new wxFFileInputStream("forge.zip"));
-		wxTempFileOutputStream out("forge.zip");
-		wxTextOutputStream textout(out);
-		wxZipInputStream inzip(*in);
-		wxZipOutputStream outzip(out);
-		std::auto_ptr<wxZipEntry> entry;
-		// preserve metadata
-		outzip.CopyArchiveMetaData(inzip);
-		// copy all entries
-		while (entry.reset(inzip.GetNextEntry()), entry.get() != NULL)
-			if (!outzip.CopyEntry(entry.release(), inzip))
-				return false;
-		// release last entry
-		in.reset();
-		outzip.PutNextEntry("forgeversion.properties");
-
-		wxStringTokenizer tokenizer(newVersion,".");
-		wxString verFile;
-		verFile << wxString("forge.major.number=") << tokenizer.GetNextToken() << "\n";
-		verFile << wxString("forge.minor.number=") << tokenizer.GetNextToken() << "\n";
-		verFile << wxString("forge.revision.number=") << tokenizer.GetNextToken() << "\n";
-		verFile << wxString("forge.build.number=") << tokenizer.GetNextToken() << "\n";
-		auto buf = verFile.ToUTF8();
-		outzip.Write(buf.data(), buf.length());
-		// check if we succeeded
-		return inzip.Eof() && outzip.Close() && out.Commit();
-	}
-	*/
-	return true;
-}
diff --git a/api/logic/minecraft/forge/LegacyForge.h b/api/logic/minecraft/forge/LegacyForge.h
deleted file mode 100644
index 4a51e74a..00000000
--- a/api/logic/minecraft/forge/LegacyForge.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/* Copyright 2013-2017 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.
- */
-
-#pragma once
-
-#include "minecraft/Mod.h"
-
-class MinecraftForge : public Mod
-{
-public:
-	MinecraftForge(const QString &file);
-	bool FixVersionIfNeeded(QString newVersion);
-};
diff --git a/api/logic/minecraft/liteloader/LiteLoaderInstaller.cpp b/api/logic/minecraft/liteloader/LiteLoaderInstaller.cpp
deleted file mode 100644
index 2a88cfd6..00000000
--- a/api/logic/minecraft/liteloader/LiteLoaderInstaller.cpp
+++ /dev/null
@@ -1,106 +0,0 @@
-/* Copyright 2013-2017 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.
- */
-
-#include "LiteLoaderInstaller.h"
-
-#include <QJsonArray>
-#include <QJsonDocument>
-
-#include <QDebug>
-
-#include "minecraft/MinecraftProfile.h"
-#include "minecraft/Library.h"
-#include "minecraft/onesix/OneSixInstance.h"
-#include <minecraft/onesix/OneSixVersionFormat.h>
-#include "minecraft/liteloader/LiteLoaderVersionList.h"
-#include "Exception.h"
-
-LiteLoaderInstaller::LiteLoaderInstaller() : BaseInstaller()
-{
-}
-
-void LiteLoaderInstaller::prepare(LiteLoaderVersionPtr version)
-{
-	m_version = version;
-}
-bool LiteLoaderInstaller::add(OneSixInstance *to)
-{
-	if (!BaseInstaller::add(to))
-	{
-		return false;
-	}
-	QFile file(filename(to->instanceRoot()));
-	if (!file.open(QFile::WriteOnly))
-	{
-		qCritical() << "Error opening" << file.fileName()
-					 << "for reading:" << file.errorString();
-		return false;
-	}
-	file.write(OneSixVersionFormat::versionFileToJson(m_version->getVersionFile(), true).toJson());
-	file.close();
-
-	return true;
-}
-
-class LiteLoaderInstallTask : public Task
-{
-	Q_OBJECT
-public:
-	LiteLoaderInstallTask(LiteLoaderInstaller *installer, OneSixInstance *instance, BaseVersionPtr version, QObject *parent)
-		: Task(parent), m_installer(installer), m_instance(instance), m_version(version)
-	{
-	}
-
-protected:
-	void executeTask() override
-	{
-		LiteLoaderVersionPtr liteloaderVersion = std::dynamic_pointer_cast<LiteLoaderVersion>(m_version);
-		if (!liteloaderVersion)
-		{
-			return;
-		}
-		m_installer->prepare(liteloaderVersion);
-		if (!m_installer->add(m_instance))
-		{
-			emitFailed(tr("For reasons unknown, the LiteLoader installation failed. Check your MultiMC log files for details."));
-			return;
-		}
-		try
-		{
-			m_instance->reloadProfile();
-			emitSucceeded();
-		}
-		catch (Exception &e)
-		{
-			emitFailed(e.cause());
-		}
-		catch (...)
-		{
-			emitFailed(tr("Failed to load the version description file for reasons unknown."));
-		}
-	}
-
-private:
-	LiteLoaderInstaller *m_installer;
-	OneSixInstance *m_instance;
-	BaseVersionPtr m_version;
-};
-
-Task *LiteLoaderInstaller::createInstallTask(OneSixInstance *instance, BaseVersionPtr version, QObject *parent)
-{
-	return new LiteLoaderInstallTask(this, instance, version, parent);
-}
-
-#include "LiteLoaderInstaller.moc"
diff --git a/api/logic/minecraft/liteloader/LiteLoaderInstaller.h b/api/logic/minecraft/liteloader/LiteLoaderInstaller.h
deleted file mode 100644
index 65e6c192..00000000
--- a/api/logic/minecraft/liteloader/LiteLoaderInstaller.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/* Copyright 2013-2017 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.
- */
-
-#pragma once
-
-#include <QString>
-#include <QMap>
-
-#include "BaseInstaller.h"
-#include "LiteLoaderVersionList.h"
-
-#include "multimc_logic_export.h"
-
-class MULTIMC_LOGIC_EXPORT LiteLoaderInstaller : public BaseInstaller
-{
-public:
-	LiteLoaderInstaller();
-
-	void prepare(LiteLoaderVersionPtr version);
-	bool add(OneSixInstance *to) override;
-	virtual QString id() const override { return "com.mumfrey.liteloader"; }
-
-	Task *createInstallTask(OneSixInstance *instance, BaseVersionPtr version, QObject *parent) override;
-
-private:
-	LiteLoaderVersionPtr m_version;
-};
diff --git a/api/logic/minecraft/liteloader/LiteLoaderVersionList.cpp b/api/logic/minecraft/liteloader/LiteLoaderVersionList.cpp
deleted file mode 100644
index 023d2f14..00000000
--- a/api/logic/minecraft/liteloader/LiteLoaderVersionList.cpp
+++ /dev/null
@@ -1,332 +0,0 @@
-/* Copyright 2013-2017 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.
- */
-
-#include "LiteLoaderVersionList.h"
-#include <minecraft/onesix/OneSixVersionFormat.h>
-#include "Env.h"
-#include "net/URLConstants.h"
-#include "Exception.h"
-
-#include <QtXml>
-
-#include <QJsonDocument>
-#include <QJsonObject>
-#include <QJsonArray>
-#include <QJsonValue>
-#include <QJsonParseError>
-
-#include <QtAlgorithms>
-
-#include <QtNetwork>
-
-LiteLoaderVersionList::LiteLoaderVersionList(QObject *parent) : BaseVersionList(parent)
-{
-}
-
-Task *LiteLoaderVersionList::getLoadTask()
-{
-	return new LLListLoadTask(this);
-}
-
-bool LiteLoaderVersionList::isLoaded()
-{
-	return m_loaded;
-}
-
-const BaseVersionPtr LiteLoaderVersionList::at(int i) const
-{
-	return m_vlist.at(i);
-}
-
-int LiteLoaderVersionList::count() const
-{
-	return m_vlist.count();
-}
-
-static bool cmpVersions(BaseVersionPtr first, BaseVersionPtr second)
-{
-	auto left = std::dynamic_pointer_cast<LiteLoaderVersion>(first);
-	auto right = std::dynamic_pointer_cast<LiteLoaderVersion>(second);
-	return left->timestamp > right->timestamp;
-}
-
-VersionFilePtr LiteLoaderVersion::getVersionFile()
-{
-	auto f = std::make_shared<VersionFile>();
-	f->mainClass = "net.minecraft.launchwrapper.Launch";
-	f->addTweakers += tweakClass;
-	f->order = 10;
-	f->libraries = libraries;
-	f->name = "LiteLoader";
-	f->fileId = "com.mumfrey.liteloader";
-	f->version = version;
-	f->minecraftVersion = mcVersion;
-	return f;
-}
-
-void LiteLoaderVersionList::sortVersions()
-{
-	beginResetModel();
-	std::sort(m_vlist.begin(), m_vlist.end(), cmpVersions);
-	endResetModel();
-}
-
-QVariant LiteLoaderVersionList::data(const QModelIndex &index, int role) const
-{
-	if (!index.isValid())
-		return QVariant();
-
-	if (index.row() > count())
-		return QVariant();
-
-	auto version = std::dynamic_pointer_cast<LiteLoaderVersion>(m_vlist[index.row()]);
-	switch (role)
-	{
-	case VersionPointerRole:
-		return qVariantFromValue(m_vlist[index.row()]);
-
-	case VersionRole:
-		return version->name();
-
-	case VersionIdRole:
-		return version->descriptor();
-
-	case ParentGameVersionRole:
-		return version->mcVersion;
-
-	case LatestRole:
-		return version->isLatest;
-
-	case RecommendedRole:
-		return version->isRecommended;
-
-	case TypeRole:
-		return version->isSnapshot ? tr("Snapshot") : tr("Release");
-
-	default:
-		return QVariant();
-	}
-}
-
-BaseVersionList::RoleList LiteLoaderVersionList::providesRoles() const
-{
-	return {VersionPointerRole, VersionRole, VersionIdRole, ParentGameVersionRole, RecommendedRole, LatestRole, TypeRole};
-}
-
-BaseVersionPtr LiteLoaderVersionList::getLatestStable() const
-{
-	for (int i = 0; i < m_vlist.length(); i++)
-	{
-		auto ver = std::dynamic_pointer_cast<LiteLoaderVersion>(m_vlist.at(i));
-		if (ver->isRecommended)
-		{
-			return m_vlist.at(i);
-		}
-	}
-	return BaseVersionPtr();
-}
-
-void LiteLoaderVersionList::updateListData(QList<BaseVersionPtr> versions)
-{
-	beginResetModel();
-	m_vlist = versions;
-	m_loaded = true;
-	std::sort(m_vlist.begin(), m_vlist.end(), cmpVersions);
-	endResetModel();
-}
-
-LLListLoadTask::LLListLoadTask(LiteLoaderVersionList *vlist)
-{
-	m_list = vlist;
-}
-
-LLListLoadTask::~LLListLoadTask()
-{
-}
-
-void LLListLoadTask::executeTask()
-{
-	setStatus(tr("Loading LiteLoader version list..."));
-	auto job = new NetJob("Version index");
-	// we do not care if the version is stale or not.
-	auto liteloaderEntry = ENV.metacache()->resolveEntry("liteloader", "versions.json");
-
-	// verify by poking the server.
-	liteloaderEntry->setStale(true);
-
-	job->addNetAction(listDownload = Net::Download::makeCached(QUrl(URLConstants::LITELOADER_URL), liteloaderEntry));
-
-	connect(listDownload.get(), SIGNAL(failed(int)), SLOT(listFailed()));
-
-	listJob.reset(job);
-	connect(listJob.get(), SIGNAL(succeeded()), SLOT(listDownloaded()));
-	connect(listJob.get(), SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
-	listJob->start();
-}
-
-void LLListLoadTask::listFailed()
-{
-	emitFailed("Failed to load LiteLoader version list.");
-	return;
-}
-
-void LLListLoadTask::listDownloaded()
-{
-	QByteArray data;
-	{
-		auto filename = listDownload->getTargetFilepath();
-		QFile listFile(filename);
-		if (!listFile.open(QIODevice::ReadOnly))
-		{
-			emitFailed("Failed to open the LiteLoader version list.");
-			return;
-		}
-		data = listFile.readAll();
-		listFile.close();
-		listDownload.reset();
-	}
-
-	QJsonParseError jsonError;
-	QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &jsonError);
-
-	if (jsonError.error != QJsonParseError::NoError)
-	{
-		emitFailed("Error parsing version list JSON:" + jsonError.errorString());
-		return;
-	}
-
-	if (!jsonDoc.isObject())
-	{
-		emitFailed("Error parsing version list JSON: jsonDoc is not an object");
-		return;
-	}
-
-	const QJsonObject root = jsonDoc.object();
-
-	// Now, get the array of versions.
-	if (!root.value("versions").isObject())
-	{
-		emitFailed("Error parsing version list JSON: missing 'versions' object");
-		return;
-	}
-
-	auto meta = root.value("meta").toObject();
-	QString description = meta.value("description").toString(tr("This is a lightweight loader for mods that don't change game mechanics."));
-	QString defaultUrl = meta.value("url").toString("http://dl.liteloader.com");
-	QString authors = meta.value("authors").toString("Mumfrey");
-	auto versions = root.value("versions").toObject();
-
-	QList<BaseVersionPtr> tempList;
-	for (auto vIt = versions.begin(); vIt != versions.end(); ++vIt)
-	{
-		const QString mcVersion = vIt.key();
-		const QJsonObject versionObject = vIt.value().toObject();
-
-		auto processArtefacts = [&](QJsonObject artefacts, bool notSnapshots, std::shared_ptr<LiteLoaderVersion> &latest)
-		{
-			QString latestVersion;
-			QList<BaseVersionPtr> perMcVersionList;
-			for (auto aIt = artefacts.begin(); aIt != artefacts.end(); ++aIt)
-			{
-				const QString identifier = aIt.key();
-				const QJsonObject artefact = aIt.value().toObject();
-				if (identifier == "latest")
-				{
-					latestVersion = artefact.value("version").toString();
-					continue;
-				}
-				LiteLoaderVersionPtr version(new LiteLoaderVersion());
-				version->version = artefact.value("version").toString();
-				version->mcVersion = mcVersion;
-				version->md5 = artefact.value("md5").toString();
-				version->timestamp = artefact.value("timestamp").toString().toLong();
-				version->tweakClass = artefact.value("tweakClass").toString();
-				version->authors = authors;
-				version->description = description;
-				version->defaultUrl = defaultUrl;
-				version->isSnapshot = !notSnapshots;
-				const QJsonArray libs = artefact.value("libraries").toArray();
-				for (auto lIt = libs.begin(); lIt != libs.end(); ++lIt)
-				{
-					auto libobject = (*lIt).toObject();
-					try
-					{
-						auto lib = OneSixVersionFormat::libraryFromJson(libobject, "versions.json");
-						// hack to make liteloader 1.7.10_00 work
-						if(lib->rawName() == GradleSpecifier("org.ow2.asm:asm-all:5.0.3"))
-						{
-							lib->setRepositoryURL("http://repo.maven.apache.org/maven2/");
-						}
-						version->libraries.append(lib);
-					}
-					catch (Exception &e)
-					{
-						qCritical() << "Couldn't read JSON object:";
-						continue; // FIXME: ignores bad libraries and continues loading
-					}
-				}
-				auto liteloaderLib = std::make_shared<Library>("com.mumfrey:liteloader:" + version->version);
-				liteloaderLib->setRepositoryURL("http://dl.liteloader.com/versions/");
-				if(!notSnapshots)
-				{
-					liteloaderLib->setHint("always-stale");
-				}
-				version->libraries.append(liteloaderLib);
-				perMcVersionList.append(version);
-			}
-			if(notSnapshots)
-			{
-				for (auto version : perMcVersionList)
-				{
-					auto v = std::dynamic_pointer_cast<LiteLoaderVersion>(version);
-					if(v->version == latestVersion)
-					{
-						latest = v;
-					}
-				}
-			}
-			tempList.append(perMcVersionList);
-		};
-
-		std::shared_ptr<LiteLoaderVersion> latestSnapshot;
-		std::shared_ptr<LiteLoaderVersion> latestRelease;
-		// are there actually released versions for this mc version?
-		if(versionObject.contains("artefacts"))
-		{
-			const QJsonObject artefacts = versionObject.value("artefacts").toObject().value("com.mumfrey:liteloader").toObject();
-			processArtefacts(artefacts, true, latestRelease);
-		}
-		if(versionObject.contains("snapshots"))
-		{
-			QJsonObject artefacts = versionObject.value("snapshots").toObject().value("com.mumfrey:liteloader").toObject();
-			processArtefacts(artefacts, false, latestSnapshot);
-		}
-		if(latestSnapshot)
-		{
-			latestSnapshot->isLatest = true;
-		}
-		else if(latestRelease)
-		{
-			latestRelease->isLatest = true;
-		}
-		if(latestRelease)
-		{
-			latestRelease->isRecommended = true;
-		}
-	}
-	m_list->updateListData(tempList);
-
-	emitSucceeded();
-}
diff --git a/api/logic/minecraft/liteloader/LiteLoaderVersionList.h b/api/logic/minecraft/liteloader/LiteLoaderVersionList.h
deleted file mode 100644
index 6074978c..00000000
--- a/api/logic/minecraft/liteloader/LiteLoaderVersionList.h
+++ /dev/null
@@ -1,123 +0,0 @@
-/* Copyright 2013-2017 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.
- */
-
-#pragma once
-
-#include <QObject>
-
-#include <QString>
-#include <QStringList>
-#include "BaseVersion.h"
-#include "BaseVersionList.h"
-#include "tasks/Task.h"
-#include "net/NetJob.h"
-#include <minecraft/Library.h>
-#include <minecraft/VersionFile.h>
-
-#include "multimc_logic_export.h"
-
-class LLListLoadTask;
-class QNetworkReply;
-
-class LiteLoaderVersion : public BaseVersion
-{
-public:
-	QString descriptor() override
-	{
-		if (isLatest)
-		{
-			return QObject::tr("Latest");
-		}
-		return QString();
-	}
-	QString typeString() const override
-	{
-		return mcVersion;
-	}
-	QString name() override
-	{
-		return version;
-	}
-	VersionFilePtr getVersionFile();
-
-	// important info
-	QString version;
-	QString mcVersion;
-	QString md5;
-	long timestamp = 0;
-	bool isLatest = false;
-	bool isRecommended = false;
-	bool isSnapshot = false;
-
-	QString tweakClass;
-	QList<LibraryPtr> libraries;
-
-	// meta
-	QString defaultUrl;
-	QString description;
-	QString authors;
-};
-typedef std::shared_ptr<LiteLoaderVersion> LiteLoaderVersionPtr;
-
-class MULTIMC_LOGIC_EXPORT LiteLoaderVersionList : public BaseVersionList
-{
-	Q_OBJECT
-public:
-	friend class LLListLoadTask;
-
-	explicit LiteLoaderVersionList(QObject *parent = 0);
-
-	Task *getLoadTask() override;
-	bool isLoaded() override;
-	const BaseVersionPtr at(int i) const override;
-	int count() const override;
-	void sortVersions() override;
-	QVariant data ( const QModelIndex & index, int role = Qt::DisplayRole ) const override;
-	RoleList providesRoles() const override;
-
-	virtual BaseVersionPtr getLatestStable() const override;
-
-protected:
-	QList<BaseVersionPtr> m_vlist;
-
-	bool m_loaded = false;
-
-protected
-slots:
-	void updateListData(QList<BaseVersionPtr> versions) override;
-};
-
-class LLListLoadTask : public Task
-{
-	Q_OBJECT
-
-public:
-	explicit LLListLoadTask(LiteLoaderVersionList *vlist);
-	~LLListLoadTask();
-
-	virtual void executeTask();
-
-protected
-slots:
-	void listDownloaded();
-	void listFailed();
-
-protected:
-	NetJobPtr listJob;
-	Net::Download::Ptr listDownload;
-	LiteLoaderVersionList *m_list;
-};
-
-Q_DECLARE_METATYPE(LiteLoaderVersionPtr)
diff --git a/application/MultiMC.cpp b/application/MultiMC.cpp
index 98b73a6e..942b1d93 100644
--- a/application/MultiMC.cpp
+++ b/application/MultiMC.cpp
@@ -42,8 +42,6 @@
 #include "icons/IconList.h"
 //FIXME: get rid of this
 #include "minecraft/legacy/LwjglVersionList.h"
-#include "minecraft/liteloader/LiteLoaderVersionList.h"
-#include "minecraft/forge/ForgeVersionList.h"
 
 #include "net/HttpMetaCache.h"
 #include "net/URLConstants.h"
@@ -868,26 +866,6 @@ std::shared_ptr<LWJGLVersionList> MultiMC::lwjgllist()
 	return m_lwjgllist;
 }
 
-std::shared_ptr<ForgeVersionList> MultiMC::forgelist()
-{
-	if (!m_forgelist)
-	{
-		m_forgelist.reset(new ForgeVersionList());
-		ENV.registerVersionList("net.minecraftforge", m_forgelist);
-	}
-	return m_forgelist;
-}
-
-std::shared_ptr<LiteLoaderVersionList> MultiMC::liteloaderlist()
-{
-	if (!m_liteloaderlist)
-	{
-		m_liteloaderlist.reset(new LiteLoaderVersionList());
-		ENV.registerVersionList("com.mumfrey.liteloader", m_liteloaderlist);
-	}
-	return m_liteloaderlist;
-}
-
 std::shared_ptr<JavaInstallList> MultiMC::javalist()
 {
 	if (!m_javalist)
diff --git a/application/MultiMC.h b/application/MultiMC.h
index 8dc2e609..a9cbdec7 100644
--- a/application/MultiMC.h
+++ b/application/MultiMC.h
@@ -25,8 +25,6 @@ class InstanceList;
 class MojangAccountList;
 class IconList;
 class QNetworkAccessManager;
-class ForgeVersionList;
-class LiteLoaderVersionList;
 class JavaInstallList;
 class UpdateChecker;
 class BaseProfilerFactory;
@@ -96,8 +94,6 @@ public:
 
 	std::shared_ptr<TranslationsModel> translations();
 	std::shared_ptr<LWJGLVersionList> lwjgllist();
-	std::shared_ptr<ForgeVersionList> forgelist();
-	std::shared_ptr<LiteLoaderVersionList> liteloaderlist();
 	std::shared_ptr<JavaInstallList> javalist();
 
 	std::shared_ptr<InstanceList> instances() const
@@ -200,8 +196,6 @@ private:
 	std::shared_ptr<UpdateChecker> m_updateChecker;
 	std::shared_ptr<MojangAccountList> m_accounts;
 	std::shared_ptr<LWJGLVersionList> m_lwjgllist;
-	std::shared_ptr<ForgeVersionList> m_forgelist;
-	std::shared_ptr<LiteLoaderVersionList> m_liteloaderlist;
 	std::shared_ptr<JavaInstallList> m_javalist;
 	std::shared_ptr<TranslationsModel> m_translations;
 	std::shared_ptr<GenericPageProvider> m_globalSettingsProvider;
diff --git a/application/pages/VersionPage.cpp b/application/pages/VersionPage.cpp
index b90b3e43..42eb31de 100644
--- a/application/pages/VersionPage.cpp
+++ b/application/pages/VersionPage.cpp
@@ -36,10 +36,6 @@
 #include <QUrl>
 
 #include "minecraft/MinecraftProfile.h"
-#include "minecraft/forge/ForgeVersionList.h"
-#include "minecraft/forge/ForgeInstaller.h"
-#include "minecraft/liteloader/LiteLoaderVersionList.h"
-#include "minecraft/liteloader/LiteLoaderInstaller.h"
 #include "minecraft/auth/MojangAccountList.h"
 #include "minecraft/Mod.h"
 #include "icons/IconList.h"
@@ -375,16 +371,18 @@ int VersionPage::doUpdate()
 
 void VersionPage::on_forgeBtn_clicked()
 {
-	VersionSelectDialog vselect(MMC->forgelist().get(), tr("Select Forge version"), this);
+	auto vlist = ENV.getVersionList("net.minecraftforge");
+	if(!vlist)
+	{
+		return;
+	}
+	VersionSelectDialog vselect(vlist.get(), tr("Select Forge version"), this);
 	vselect.setExactFilter(BaseVersionList::ParentGameVersionRole, m_inst->currentVersionId());
-	vselect.setEmptyString(tr("No Forge versions are currently available for Minecraft ") +
-						   m_inst->currentVersionId());
+	vselect.setEmptyString(tr("No Forge versions are currently available for Minecraft ") + m_inst->currentVersionId());
 	vselect.setEmptyErrorString(tr("Couldn't load or download the Forge version lists!"));
 	if (vselect.exec() && vselect.selectedVersion())
 	{
-		ProgressDialog dialog(this);
-		dialog.execWithTask(
-			ForgeInstaller().createInstallTask(m_inst, vselect.selectedVersion(), this));
+		m_profile->installVersion(vselect.selectedVersion());
 		preselect(m_profile->rowCount(QModelIndex())-1);
 		m_container->refreshContainer();
 	}
@@ -392,17 +390,18 @@ void VersionPage::on_forgeBtn_clicked()
 
 void VersionPage::on_liteloaderBtn_clicked()
 {
-	VersionSelectDialog vselect(MMC->liteloaderlist().get(), tr("Select LiteLoader version"),
-								this);
+	auto vlist = ENV.getVersionList("com.liteloader");
+	if(!vlist)
+	{
+		return;
+	}
+	VersionSelectDialog vselect(vlist.get(), tr("Select LiteLoader version"), this);
 	vselect.setExactFilter(BaseVersionList::ParentGameVersionRole, m_inst->currentVersionId());
-	vselect.setEmptyString(tr("No LiteLoader versions are currently available for Minecraft ") +
-						   m_inst->currentVersionId());
+	vselect.setEmptyString(tr("No LiteLoader versions are currently available for Minecraft ") + m_inst->currentVersionId());
 	vselect.setEmptyErrorString(tr("Couldn't load or download the LiteLoader version lists!"));
 	if (vselect.exec() && vselect.selectedVersion())
 	{
-		ProgressDialog dialog(this);
-		dialog.execWithTask(
-			LiteLoaderInstaller().createInstallTask(m_inst, vselect.selectedVersion(), this));
+		m_profile->installVersion(vselect.selectedVersion());
 		preselect(m_profile->rowCount(QModelIndex())-1);
 		m_container->refreshContainer();
 	}