Change naming from Derp -> OneSix until the new instance type supports legacy

35 files changed, 375 insertions, 821 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c5339a30..6218ee7a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -297,8 +297,8 @@ gui/dialogs/IconPickerDialog.h
 gui/dialogs/IconPickerDialog.cpp
 gui/dialogs/LegacyModEditDialog.h
 gui/dialogs/LegacyModEditDialog.cpp
-gui/dialogs/DerpModEditDialog.h
-gui/dialogs/DerpModEditDialog.cpp
+gui/dialogs/OneSixModEditDialog.h
+gui/dialogs/OneSixModEditDialog.cpp
 gui/dialogs/ModEditDialogCommon.h
 gui/dialogs/ModEditDialogCommon.cpp
 gui/dialogs/EditNotesDialog.h
@@ -405,15 +405,15 @@ logic/LegacyUpdate.cpp
 logic/LegacyForge.h
 logic/LegacyForge.cpp
 
-# Derp instances
-logic/DerpUpdate.h
-logic/DerpUpdate.cpp
-logic/DerpVersion.h
-logic/DerpVersion.cpp
-logic/DerpLibrary.h
-logic/DerpLibrary.cpp
-logic/DerpRule.h
-logic/DerpRule.cpp
+# OneSix instances
+logic/OneSixUpdate.h
+logic/OneSixUpdate.cpp
+logic/OneSixVersion.h
+logic/OneSixVersion.cpp
+logic/OneSixLibrary.h
+logic/OneSixLibrary.cpp
+logic/OneSixRule.h
+logic/OneSixRule.cpp
 logic/OpSys.h
 logic/OpSys.cpp
 logic/BaseInstaller.h
@@ -422,19 +422,19 @@ logic/ForgeInstaller.h
 logic/ForgeInstaller.cpp
 logic/LiteLoaderInstaller.h
 logic/LiteLoaderInstaller.cpp
-logic/DerpInstance.h
-logic/DerpInstance.cpp
-logic/DerpInstance_p.h
-logic/DerpVersionBuilder.h
-logic/DerpVersionBuilder.cpp
+logic/OneSixInstance.h
+logic/OneSixInstance.cpp
+logic/OneSixInstance_p.h
+logic/OneSixVersionBuilder.h
+logic/OneSixVersionBuilder.cpp
 
 # Nostalgia
 logic/NostalgiaInstance.h
 logic/NostalgiaInstance.cpp
 
 # FTB
-logic/DerpFTBInstance.h
-logic/DerpFTBInstance.cpp
+logic/OneSixFTBInstance.h
+logic/OneSixFTBInstance.cpp
 logic/LegacyFTBInstance.h
 logic/LegacyFTBInstance.cpp
 
@@ -510,7 +510,7 @@ gui/dialogs/InstanceSettings.ui
 gui/dialogs/ProgressDialog.ui
 gui/dialogs/IconPickerDialog.ui
 gui/dialogs/LegacyModEditDialog.ui
-gui/dialogs/DerpModEditDialog.ui
+gui/dialogs/OneSixModEditDialog.ui
 gui/dialogs/EditNotesDialog.ui
 gui/dialogs/AccountListDialog.ui
 gui/dialogs/AccountSelectDialog.ui
diff --git a/gui/MainWindow.cpp b/gui/MainWindow.cpp
index ba394a94..ee9c3fad 100644
--- a/gui/MainWindow.cpp
+++ b/gui/MainWindow.cpp
@@ -84,7 +84,7 @@
 #include "logic/BaseInstance.h"
 #include "logic/InstanceFactory.h"
 #include "logic/MinecraftProcess.h"
-#include "logic/DerpUpdate.h"
+#include "logic/OneSixUpdate.h"
 #include "logic/JavaUtils.h"
 #include "logic/NagUtils.h"
 #include "logic/SkinUtils.h"
@@ -1257,7 +1257,7 @@ void MainWindow::on_actionChangeInstMCVersion_triggered()
 
 	VersionSelectDialog vselect(m_selectedInstance->versionList().get(),
 								tr("Change Minecraft version"), this);
-	vselect.setFilter(1, "Derp");
+	vselect.setFilter(1, "OneSix");
 	if(!vselect.exec() || !vselect.selectedVersion())
 		return;
 
diff --git a/gui/dialogs/DerpModEditDialog.cpp b/gui/dialogs/OneSixModEditDialog.cpp
index 216aa59d..625a7c91 100644
--- a/gui/dialogs/DerpModEditDialog.cpp
+++ b/gui/dialogs/OneSixModEditDialog.cpp
@@ -23,9 +23,9 @@
 #include <QKeyEvent>
 #include <QDesktopServices>
 
-#include "DerpModEditDialog.h"
+#include "OneSixModEditDialog.h"
 #include "ModEditDialogCommon.h"
-#include "ui_DerpModEditDialog.h"
+#include "ui_OneSixModEditDialog.h"
 
 #include "gui/Platform.h"
 #include "gui/dialogs/CustomMessageBox.h"
@@ -34,14 +34,14 @@
 #include "gui/dialogs/ProgressDialog.h"
 
 #include "logic/ModList.h"
-#include "logic/DerpVersion.h"
+#include "logic/OneSixVersion.h"
 #include "logic/EnabledItemFilter.h"
 #include "logic/lists/ForgeVersionList.h"
 #include "logic/ForgeInstaller.h"
 #include "logic/LiteLoaderInstaller.h"
 
-DerpModEditDialog::DerpModEditDialog(DerpInstance *inst, QWidget *parent)
-	: QDialog(parent), ui(new Ui::DerpModEditDialog), m_inst(inst)
+OneSixModEditDialog::OneSixModEditDialog(OneSixInstance *inst, QWidget *parent)
+	: QDialog(parent), ui(new Ui::OneSixModEditDialog), m_inst(inst)
 {
 	MultiMCPlatform::fixWM_CLASS(this);
 	ui->setupUi(this);
@@ -81,17 +81,17 @@ DerpModEditDialog::DerpModEditDialog(DerpInstance *inst, QWidget *parent)
 		m_resourcepacks->startWatching();
 	}
 
-	connect(m_inst, &DerpInstance::versionReloaded, this, &DerpModEditDialog::updateVersionControls);
+	connect(m_inst, &OneSixInstance::versionReloaded, this, &OneSixModEditDialog::updateVersionControls);
 }
 
-DerpModEditDialog::~DerpModEditDialog()
+OneSixModEditDialog::~OneSixModEditDialog()
 {
 	m_mods->stopWatching();
 	m_resourcepacks->stopWatching();
 	delete ui;
 }
 
-void DerpModEditDialog::updateVersionControls()
+void OneSixModEditDialog::updateVersionControls()
 {
 	bool customVersion = m_inst->versionIsCustom();
 	ui->forgeBtn->setEnabled(true);
@@ -100,7 +100,7 @@ void DerpModEditDialog::updateVersionControls()
 	ui->mainClassEdit->setText(m_version->mainClass);
 }
 
-void DerpModEditDialog::disableVersionControls()
+void OneSixModEditDialog::disableVersionControls()
 {
 	ui->forgeBtn->setEnabled(false);
 	ui->liteloaderBtn->setEnabled(false);
@@ -108,7 +108,7 @@ void DerpModEditDialog::disableVersionControls()
 	ui->mainClassEdit->setText("");
 }
 
-void DerpModEditDialog::on_customEditorBtn_clicked()
+void OneSixModEditDialog::on_customEditorBtn_clicked()
 {
 	if (QDir(m_inst->instanceRoot()).exists("custom.json"))
 	{
@@ -119,7 +119,7 @@ void DerpModEditDialog::on_customEditorBtn_clicked()
 	}
 }
 
-void DerpModEditDialog::on_forgeBtn_clicked()
+void OneSixModEditDialog::on_forgeBtn_clicked()
 {
 	VersionSelectDialog vselect(MMC->forgelist().get(), tr("Select Forge version"), this);
 	vselect.setFilter(1, m_inst->currentVersionId());
@@ -165,7 +165,7 @@ void DerpModEditDialog::on_forgeBtn_clicked()
 	m_inst->reloadFullVersion(this);
 }
 
-void DerpModEditDialog::on_liteloaderBtn_clicked()
+void OneSixModEditDialog::on_liteloaderBtn_clicked()
 {
 	LiteLoaderInstaller liteloader;
 	if (!liteloader.canApply(m_inst))
@@ -188,7 +188,7 @@ void DerpModEditDialog::on_liteloaderBtn_clicked()
 	}
 }
 
-bool DerpModEditDialog::loaderListFilter(QKeyEvent *keyEvent)
+bool OneSixModEditDialog::loaderListFilter(QKeyEvent *keyEvent)
 {
 	switch (keyEvent->key())
 	{
@@ -204,7 +204,7 @@ bool DerpModEditDialog::loaderListFilter(QKeyEvent *keyEvent)
 	return QDialog::eventFilter(ui->loaderModTreeView, keyEvent);
 }
 
-bool DerpModEditDialog::resourcePackListFilter(QKeyEvent *keyEvent)
+bool OneSixModEditDialog::resourcePackListFilter(QKeyEvent *keyEvent)
 {
 	switch (keyEvent->key())
 	{
@@ -220,7 +220,7 @@ bool DerpModEditDialog::resourcePackListFilter(QKeyEvent *keyEvent)
 	return QDialog::eventFilter(ui->resPackTreeView, keyEvent);
 }
 
-bool DerpModEditDialog::eventFilter(QObject *obj, QEvent *ev)
+bool OneSixModEditDialog::eventFilter(QObject *obj, QEvent *ev)
 {
 	if (ev->type() != QEvent::KeyPress)
 	{
@@ -234,12 +234,12 @@ bool DerpModEditDialog::eventFilter(QObject *obj, QEvent *ev)
 	return QDialog::eventFilter(obj, ev);
 }
 
-void DerpModEditDialog::on_buttonBox_rejected()
+void OneSixModEditDialog::on_buttonBox_rejected()
 {
 	close();
 }
 
-void DerpModEditDialog::on_addModBtn_clicked()
+void OneSixModEditDialog::on_addModBtn_clicked()
 {
 	QStringList fileNames = QFileDialog::getOpenFileNames(
 		this, QApplication::translate("LegacyModEditDialog", "Select Loader Mods"));
@@ -250,7 +250,7 @@ void DerpModEditDialog::on_addModBtn_clicked()
 		m_mods->startWatching();
 	}
 }
-void DerpModEditDialog::on_rmModBtn_clicked()
+void OneSixModEditDialog::on_rmModBtn_clicked()
 {
 	int first, last;
 	auto list = ui->loaderModTreeView->selectionModel()->selectedRows();
@@ -261,12 +261,12 @@ void DerpModEditDialog::on_rmModBtn_clicked()
 	m_mods->deleteMods(first, last);
 	m_mods->startWatching();
 }
-void DerpModEditDialog::on_viewModBtn_clicked()
+void OneSixModEditDialog::on_viewModBtn_clicked()
 {
 	openDirInDefaultProgram(m_inst->loaderModsDir(), true);
 }
 
-void DerpModEditDialog::on_addResPackBtn_clicked()
+void OneSixModEditDialog::on_addResPackBtn_clicked()
 {
 	QStringList fileNames = QFileDialog::getOpenFileNames(
 		this, QApplication::translate("LegacyModEditDialog", "Select Resource Packs"));
@@ -277,7 +277,7 @@ void DerpModEditDialog::on_addResPackBtn_clicked()
 		m_resourcepacks->startWatching();
 	}
 }
-void DerpModEditDialog::on_rmResPackBtn_clicked()
+void OneSixModEditDialog::on_rmResPackBtn_clicked()
 {
 	int first, last;
 	auto list = ui->resPackTreeView->selectionModel()->selectedRows();
@@ -288,12 +288,12 @@ void DerpModEditDialog::on_rmResPackBtn_clicked()
 	m_resourcepacks->deleteMods(first, last);
 	m_resourcepacks->startWatching();
 }
-void DerpModEditDialog::on_viewResPackBtn_clicked()
+void OneSixModEditDialog::on_viewResPackBtn_clicked()
 {
 	openDirInDefaultProgram(m_inst->resourcePacksDir(), true);
 }
 
-void DerpModEditDialog::loaderCurrent(QModelIndex current, QModelIndex previous)
+void OneSixModEditDialog::loaderCurrent(QModelIndex current, QModelIndex previous)
 {
 	if (!current.isValid())
 	{
diff --git a/gui/dialogs/DerpModEditDialog.h b/gui/dialogs/OneSixModEditDialog.h
index e9e61c65..161604c9 100644
--- a/gui/dialogs/DerpModEditDialog.h
+++ b/gui/dialogs/OneSixModEditDialog.h
@@ -16,21 +16,21 @@
 #pragma once
 #include <QDialog>
 
-#include <logic/DerpInstance.h>
+#include <logic/OneSixInstance.h>
 
 class EnabledItemFilter;
 namespace Ui
 {
-class DerpModEditDialog;
+class OneSixModEditDialog;
 }
 
-class DerpModEditDialog : public QDialog
+class OneSixModEditDialog : public QDialog
 {
 	Q_OBJECT
 
 public:
-	explicit DerpModEditDialog(DerpInstance *inst, QWidget *parent = 0);
-	virtual ~DerpModEditDialog();
+	explicit OneSixModEditDialog(OneSixInstance *inst, QWidget *parent = 0);
+	virtual ~OneSixModEditDialog();
 
 private
 slots:
@@ -55,12 +55,12 @@ protected:
 	bool resourcePackListFilter(QKeyEvent *ev);
 
 private:
-	Ui::DerpModEditDialog *ui;
-	std::shared_ptr<DerpVersion> m_version;
+	Ui::OneSixModEditDialog *ui;
+	std::shared_ptr<OneSixVersion> m_version;
 	std::shared_ptr<ModList> m_mods;
 	std::shared_ptr<ModList> m_resourcepacks;
 	EnabledItemFilter *main_model;
-	DerpInstance *m_inst;
+	OneSixInstance *m_inst;
 public
 slots:
 	void loaderCurrent(QModelIndex current, QModelIndex previous);
diff --git a/gui/dialogs/DerpModEditDialog.ui b/gui/dialogs/OneSixModEditDialog.ui
index 7aaf1564..d57d0f85 100644
--- a/gui/dialogs/DerpModEditDialog.ui
+++ b/gui/dialogs/OneSixModEditDialog.ui
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>DerpModEditDialog</class>
- <widget class="QDialog" name="DerpModEditDialog">
+ <class>OneSixModEditDialog</class>
+ <widget class="QDialog" name="OneSixModEditDialog">
   <property name="geometry">
    <rect>
     <x>0</x>
diff --git a/logic/BaseInstaller.cpp b/logic/BaseInstaller.cpp
index 74a8e909..92aa0c92 100644
--- a/logic/BaseInstaller.cpp
+++ b/logic/BaseInstaller.cpp
@@ -17,9 +17,9 @@
 
 #include <QFile>
 
-#include "DerpVersion.h"
-#include "DerpLibrary.h"
-#include "DerpInstance.h"
+#include "OneSixVersion.h"
+#include "OneSixLibrary.h"
+#include "OneSixInstance.h"
 
 #include "cmdutils.h"
 
@@ -28,12 +28,12 @@ BaseInstaller::BaseInstaller()
 
 }
 
-bool BaseInstaller::isApplied(DerpInstance *on)
+bool BaseInstaller::isApplied(OneSixInstance *on)
 {
 	return QFile::exists(filename(on->instanceRoot()));
 }
 
-bool BaseInstaller::add(DerpInstance *to)
+bool BaseInstaller::add(OneSixInstance *to)
 {
 	if (!patchesDir(to->instanceRoot()).exists())
 	{
@@ -51,7 +51,7 @@ bool BaseInstaller::add(DerpInstance *to)
 	return true;
 }
 
-bool BaseInstaller::remove(DerpInstance *from)
+bool BaseInstaller::remove(OneSixInstance *from)
 {
 	return QFile::remove(filename(from->instanceRoot()));
 }
diff --git a/logic/BaseInstaller.h b/logic/BaseInstaller.h
index 08f78bfc..df7eab89 100644
--- a/logic/BaseInstaller.h
+++ b/logic/BaseInstaller.h
@@ -17,7 +17,7 @@
 
 #include <memory>
 
-class DerpInstance;
+class OneSixInstance;
 class QDir;
 class QString;
 
@@ -26,11 +26,11 @@ class BaseInstaller
 public:
 	BaseInstaller();
 
-	virtual bool canApply(DerpInstance *instance) const { return true; }
-	bool isApplied(DerpInstance *on);
+	virtual bool canApply(OneSixInstance *instance) const { return true; }
+	bool isApplied(OneSixInstance *on);
 
-	virtual bool add(DerpInstance *to);
-	virtual bool remove(DerpInstance *from);
+	virtual bool add(OneSixInstance *to);
+	virtual bool remove(OneSixInstance *from);
 
 protected:
 	virtual QString id() const = 0;
diff --git a/logic/BaseInstance.h b/logic/BaseInstance.h
index 79640c84..a861e9b2 100644
--- a/logic/BaseInstance.h
+++ b/logic/BaseInstance.h
@@ -27,7 +27,7 @@
 class QDialog;
 class Task;
 class MinecraftProcess;
-class DerpUpdate;
+class OneSixUpdate;
 class InstanceList;
 class BaseInstancePrivate;
 
diff --git a/logic/DerpVersion.cpp b/logic/DerpVersion.cpp
deleted file mode 100644
index f4a8dd97..00000000
--- a/logic/DerpVersion.cpp
+++ /dev/null
@@ -1,194 +0,0 @@
-/* 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.
- */
-
-#include "DerpVersion.h"
-
-#include <QDebug>
-
-#include "DerpVersionBuilder.h"
-
-DerpVersion::DerpVersion(DerpInstance *instance, QObject *parent)
-	: QAbstractListModel(parent), m_instance(instance)
-{
-	clear();
-}
-
-bool DerpVersion::reload(QWidget *widgetParent)
-{
-	return DerpVersionBuilder::build(this, m_instance, widgetParent);
-}
-
-void DerpVersion::clear()
-{
-	id.clear();
-	time.clear();
-	releaseTime.clear();
-	type.clear();
-	assets.clear();
-	processArguments.clear();
-	minecraftArguments.clear();
-	minimumLauncherVersion = 0xDEADBEAF;
-	mainClass.clear();
-	libraries.clear();
-}
-
-void DerpVersion::dump() const
-{
-	qDebug().nospace() << "DerpVersion("
-				  << "\n\tid=" << id
-				  << "\n\ttime=" << time
-				  << "\n\treleaseTime=" << releaseTime
-				  << "\n\ttype=" << type
-				  << "\n\tassets=" << assets
-				  << "\n\tprocessArguments=" << processArguments
-				  << "\n\tminecraftArguments=" << minecraftArguments
-				  << "\n\tminimumLauncherVersion=" << minimumLauncherVersion
-				  << "\n\tmainClass=" << mainClass
-				  << "\n\tlibraries=";
-	for (auto lib : libraries)
-	{
-		qDebug().nospace() << "\n\t\t" << lib.get();
-	}
-	qDebug().nospace() << "\n)";
-}
-
-QList<std::shared_ptr<DerpLibrary> > DerpVersion::getActiveNormalLibs()
-{
-	QList<std::shared_ptr<DerpLibrary> > output;
-	for (auto lib : libraries)
-	{
-		if (lib->isActive() && !lib->isNative())
-		{
-			output.append(lib);
-		}
-	}
-	return output;
-}
-
-QList<std::shared_ptr<DerpLibrary> > DerpVersion::getActiveNativeLibs()
-{
-	QList<std::shared_ptr<DerpLibrary> > output;
-	for (auto lib : libraries)
-	{
-		if (lib->isActive() && lib->isNative())
-		{
-			output.append(lib);
-		}
-	}
-	return output;
-}
-
-std::shared_ptr<DerpVersion> DerpVersion::fromJson(const QJsonObject &obj)
-{
-	std::shared_ptr<DerpVersion> version(new DerpVersion(0));
-	if (DerpVersionBuilder::read(version.get(), obj))
-	{
-		return version;
-	}
-	return 0;
-}
-
-QVariant DerpVersion::data(const QModelIndex &index, int role) const
-{
-	if (!index.isValid())
-		return QVariant();
-
-	int row = index.row();
-	int column = index.column();
-
-	if (row < 0 || row >= libraries.size())
-		return QVariant();
-
-	if (role == Qt::DisplayRole)
-	{
-		switch (column)
-		{
-		case 0:
-			return libraries[row]->name();
-		case 1:
-			return libraries[row]->type();
-		case 2:
-			return libraries[row]->version();
-		default:
-			return QVariant();
-		}
-	}
-	return QVariant();
-}
-
-Qt::ItemFlags DerpVersion::flags(const QModelIndex &index) const
-{
-	if (!index.isValid())
-		return Qt::NoItemFlags;
-	int row = index.row();
-	if (libraries[row]->isActive())
-	{
-		return Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemNeverHasChildren;
-	}
-	else
-	{
-		return Qt::ItemNeverHasChildren;
-	}
-	// return QAbstractListModel::flags(index);
-}
-
-QVariant DerpVersion::headerData(int section, Qt::Orientation orientation, int role) const
-{
-	if (role != Qt::DisplayRole || orientation != Qt::Horizontal)
-		return QVariant();
-	switch (section)
-	{
-	case 0:
-		return QString("Name");
-	case 1:
-		return QString("Type");
-	case 2:
-		return QString("Version");
-	default:
-		return QString();
-	}
-}
-
-int DerpVersion::rowCount(const QModelIndex &parent) const
-{
-	return libraries.size();
-}
-
-int DerpVersion::columnCount(const QModelIndex &parent) const
-{
-	return 3;
-}
-
-QDebug operator<<(QDebug &dbg, const DerpVersion *version)
-{
-	version->dump();
-	return dbg.maybeSpace();
-}
-QDebug operator<<(QDebug &dbg, const DerpLibrary *library)
-{
-	dbg.nospace() << "DerpLibrary("
-				  << "\n\t\t\trawName=" << library->rawName()
-				  << "\n\t\t\tname=" << library->name()
-				  << "\n\t\t\tversion=" << library->version()
-				  << "\n\t\t\ttype=" << library->type()
-				  << "\n\t\t\tisActive=" << library->isActive()
-				  << "\n\t\t\tisNative=" << library->isNative()
-				  << "\n\t\t\tdownloadUrl=" << library->downloadUrl()
-				  << "\n\t\t\tstoragePath=" << library->storagePath()
-				  << "\n\t\t\tabsolutePath=" << library->absoluteUrl()
-				  << "\n\t\t\thint=" << library->hint();
-	dbg.nospace() << "\n\t\t)";
-	return dbg.maybeSpace();
-}
diff --git a/logic/DerpVersion.h b/logic/DerpVersion.h
deleted file mode 100644
index 4481d146..00000000
--- a/logic/DerpVersion.h
+++ /dev/null
@@ -1,115 +0,0 @@
-/* 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.
- */
-
-#pragma once
-
-#include <QAbstractListModel>
-
-#include <QString>
-#include <QList>
-#include <memory>
-
-#include "DerpLibrary.h"
-
-class DerpInstance;
-
-class DerpVersion : public QAbstractListModel
-{
-	Q_OBJECT
-public:
-	explicit DerpVersion(DerpInstance *instance, QObject *parent = 0);
-
-	virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
-	virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
-	virtual QVariant headerData(int section, Qt::Orientation orientation,
-								int role = Qt::DisplayRole) const;
-	virtual int columnCount(const QModelIndex &parent) const;
-	virtual Qt::ItemFlags flags(const QModelIndex &index) const;
-
-	bool reload(QWidget *widgetParent);
-	void clear();
-
-	void dump() const;
-
-public:
-	QList<std::shared_ptr<DerpLibrary>> getActiveNormalLibs();
-	QList<std::shared_ptr<DerpLibrary>> getActiveNativeLibs();
-
-	static std::shared_ptr<DerpVersion> fromJson(const QJsonObject &obj);
-
-	// data members
-public:
-	/// the ID - determines which jar to use! ACTUALLY IMPORTANT!
-	QString id;
-	/// Last updated time - as a string
-	QString time;
-	/// Release time - as a string
-	QString releaseTime;
-	/// Release type - "release" or "snapshot"
-	QString type;
-	/// Assets type - "legacy" or a version ID
-	QString assets;
-	/**
-	 * DEPRECATED: Old versions of the new vanilla launcher used this
-	 * ex: "username_session_version"
-	 */
-	QString processArguments;
-	/**
-	 * arguments that should be used for launching minecraft
-	 *
-	 * ex: "--username ${auth_player_name} --session ${auth_session}
-	 *      --version ${version_name} --gameDir ${game_directory} --assetsDir ${game_assets}"
-	 */
-	QString minecraftArguments;
-	/**
-	 * the minimum launcher version required by this version ... current is 4 (at point of
-	 * writing)
-	 */
-	int minimumLauncherVersion = 0xDEADBEEF;
-	/**
-	 * The main class to load first
-	 */
-	QString mainClass;
-
-	/// the list of libs - both active and inactive, native and java
-	QList<std::shared_ptr<DerpLibrary>> libraries;
-
-	/*
-	FIXME: add support for those rules here? Looks like a pile of quick hacks to me though.
-
-	"rules": [
-		{
-		"action": "allow"
-		},
-		{
-		"action": "disallow",
-		"os": {
-			"name": "osx",
-			"version": "^10\\.5\\.\\d$"
-		}
-		}
-	],
-	"incompatibilityReason": "There is a bug in LWJGL which makes it incompatible with OSX
-	10.5.8. Please go to New Profile and use 1.5.2 for now. Sorry!"
-	}
-	*/
-	// QList<Rule> rules;
-
-private:
-	DerpInstance *m_instance;
-};
-
-QDebug operator<<(QDebug &dbg, const DerpVersion *version);
-QDebug operator<<(QDebug &dbg, const DerpLibrary *library);
diff --git a/logic/ForgeInstaller.cpp b/logic/ForgeInstaller.cpp
index 35663ddd..863c3dfd 100644
--- a/logic/ForgeInstaller.cpp
+++ b/logic/ForgeInstaller.cpp
@@ -14,15 +14,15 @@
  */
 
 #include "ForgeInstaller.h"
-#include "DerpVersion.h"
-#include "DerpLibrary.h"
+#include "OneSixVersion.h"
+#include "OneSixLibrary.h"
 #include "net/HttpMetaCache.h"
 #include <quazip.h>
 #include <quazipfile.h>
 #include <pathutils.h>
 #include <QStringList>
 #include "MultiMC.h"
-#include "DerpInstance.h"
+#include "OneSixInstance.h"
 
 #include <QJsonDocument>
 #include <QJsonArray>
@@ -31,7 +31,7 @@
 
 ForgeInstaller::ForgeInstaller(QString filename, QString universal_url)
 {
-	std::shared_ptr<DerpVersion> newVersion;
+	std::shared_ptr<OneSixVersion> newVersion;
 	m_universal_url = universal_url;
 
 	QuaZip zip(filename);
@@ -64,7 +64,7 @@ ForgeInstaller::ForgeInstaller(QString filename, QString universal_url)
 
 	// read the forge version info
 	{
-		newVersion = DerpVersion::fromJson(versionInfoVal.toObject());
+		newVersion = OneSixVersion::fromJson(versionInfoVal.toObject());
 		if (!newVersion)
 			return;
 	}
@@ -74,7 +74,7 @@ ForgeInstaller::ForgeInstaller(QString filename, QString universal_url)
 	internalPath = installObj.value("filePath").toString();
 
 	// where do we put the library? decode the mojang path
-	DerpLibrary lib(libraryName);
+	OneSixLibrary lib(libraryName);
 	lib.finalize();
 
 	auto cacheentry = MMC->metacache()->resolveEntry("libraries", lib.storagePath());
@@ -109,7 +109,7 @@ ForgeInstaller::ForgeInstaller(QString filename, QString universal_url)
 	realVersionId = m_forge_version->id = installObj.value("minecraft").toString();
 }
 
-bool ForgeInstaller::add(DerpInstance *to)
+bool ForgeInstaller::add(OneSixInstance *to)
 {
 	if (!BaseInstaller::add(to))
 	{
diff --git a/logic/ForgeInstaller.h b/logic/ForgeInstaller.h
index 6490b5bf..eb8ecd79 100644
--- a/logic/ForgeInstaller.h
+++ b/logic/ForgeInstaller.h
@@ -20,20 +20,20 @@
 #include <QString>
 #include <memory>
 
-class DerpVersion;
+class OneSixVersion;
 
 class ForgeInstaller : public BaseInstaller
 {
 public:
 	ForgeInstaller(QString filename, QString universal_url);
 
-	bool add(DerpInstance *to) override;
+	bool add(OneSixInstance *to) override;
 
 	QString id() const override { return "net.minecraftforge"; }
 
 private:
 	// the version, read from the installer
-	std::shared_ptr<DerpVersion> m_forge_version;
+	std::shared_ptr<OneSixVersion> m_forge_version;
 	QString internalPath;
 	QString finalPath;
 	QString realVersionId;
diff --git a/logic/InstanceFactory.cpp b/logic/InstanceFactory.cpp
index c50ec4e4..730bcd69 100644
--- a/logic/InstanceFactory.cpp
+++ b/logic/InstanceFactory.cpp
@@ -21,10 +21,10 @@
 #include "BaseInstance.h"
 #include "LegacyInstance.h"
 #include "LegacyFTBInstance.h"
-#include "DerpInstance.h"
-#include "DerpFTBInstance.h"
+#include "OneSixInstance.h"
+#include "OneSixFTBInstance.h"
 #include "NostalgiaInstance.h"
-#include "DerpInstance.h"
+#include "OneSixInstance.h"
 #include "BaseVersion.h"
 #include "MinecraftVersion.h"
 
@@ -51,9 +51,9 @@ InstanceFactory::InstLoadError InstanceFactory::loadInstance(BaseInstance *&inst
 	QString inst_type = m_settings->get("InstanceType").toString();
 
 	// FIXME: replace with a map lookup, where instance classes register their types
-	if (inst_type == "Derp" || inst_type == "OneSix")
+	if (inst_type == "OneSix" || inst_type == "OneSix")
 	{
-		inst = new DerpInstance(instDir, m_settings, this);
+		inst = new OneSixInstance(instDir, m_settings, this);
 	}
 	else if (inst_type == "Legacy")
 	{
@@ -67,9 +67,9 @@ InstanceFactory::InstLoadError InstanceFactory::loadInstance(BaseInstance *&inst
 	{
 		inst = new LegacyFTBInstance(instDir, m_settings, this);
 	}
-	else if (inst_type == "OneSixFTB" || inst_type == "DerpFTB")
+	else if (inst_type == "OneSixFTB" || inst_type == "OneSixFTB")
 	{
-		inst = new DerpFTBInstance(instDir, m_settings, this);
+		inst = new OneSixFTBInstance(instDir, m_settings, this);
 	}
 	else
 	{
@@ -102,15 +102,15 @@ InstanceFactory::InstCreateError InstanceFactory::createInstance(BaseInstance *&
 		switch (mcVer->type)
 		{
 		case MinecraftVersion::Legacy:
-			// TODO derp
+			// TODO OneSix
 			m_settings->set("InstanceType", "Legacy");
 			inst = new LegacyInstance(instDir, m_settings, this);
 			inst->setIntendedVersionId(version->descriptor());
 			inst->setShouldUseCustomBaseJar(false);
 			break;
-		case MinecraftVersion::Derp:
-			m_settings->set("InstanceType", "Derp");
-			inst = new DerpInstance(instDir, m_settings, this);
+		case MinecraftVersion::OneSix:
+			m_settings->set("InstanceType", "OneSix");
+			inst = new OneSixInstance(instDir, m_settings, this);
 			inst->setIntendedVersionId(version->descriptor());
 			inst->setShouldUseCustomBaseJar(false);
 			break;
@@ -137,9 +137,9 @@ InstanceFactory::InstCreateError InstanceFactory::createInstance(BaseInstance *&
 			inst->setIntendedVersionId(version->descriptor());
 			inst->setShouldUseCustomBaseJar(false);
 			break;
-		case MinecraftVersion::Derp:
-			m_settings->set("InstanceType", "DerpFTB");
-			inst = new DerpFTBInstance(instDir, m_settings, this);
+		case MinecraftVersion::OneSix:
+			m_settings->set("InstanceType", "OneSixFTB");
+			inst = new OneSixFTBInstance(instDir, m_settings, this);
 			inst->setIntendedVersionId(version->descriptor());
 			inst->setShouldUseCustomBaseJar(false);
 			break;
@@ -176,8 +176,8 @@ InstanceFactory::InstCreateError InstanceFactory::copyInstance(BaseInstance *&ne
 	m_settings->registerSetting("InstanceType", "Legacy");
 	QString inst_type = m_settings->get("InstanceType").toString();
 
-	if(inst_type == "OneSixFTB" || inst_type == "DerpFTB")
-		m_settings->set("InstanceType", "Derp");
+	if(inst_type == "OneSixFTB" || inst_type == "OneSixFTB")
+		m_settings->set("InstanceType", "OneSix");
 	if(inst_type == "LegacyFTB")
 		m_settings->set("InstanceType", "Legacy");
 
diff --git a/logic/LegacyInstance.h b/logic/LegacyInstance.h
index 1ff17cbd..1e7d9eb6 100644
--- a/logic/LegacyInstance.h
+++ b/logic/LegacyInstance.h
@@ -68,7 +68,7 @@ public:
 	virtual QString intendedVersionId() const override;
 	virtual bool setIntendedVersionId(QString version) override;
 	// the `version' of Legacy instances is defined by the launcher code.
-	// in contrast with Derp, where `version' is described in a json file
+	// in contrast with OneSix, where `version' is described in a json file
 	virtual bool versionIsCustom() override
 	{
 		return false;
diff --git a/logic/LiteLoaderInstaller.cpp b/logic/LiteLoaderInstaller.cpp
index 71c7011f..1ce9d3f4 100644
--- a/logic/LiteLoaderInstaller.cpp
+++ b/logic/LiteLoaderInstaller.cpp
@@ -20,9 +20,9 @@
 
 #include "logger/QsLog.h"
 
-#include "DerpVersion.h"
-#include "DerpLibrary.h"
-#include "DerpInstance.h"
+#include "OneSixVersion.h"
+#include "OneSixLibrary.h"
+#include "OneSixInstance.h"
 
 QMap<QString, QString> LiteLoaderInstaller::m_launcherWrapperVersionMapping;
 
@@ -38,12 +38,12 @@ LiteLoaderInstaller::LiteLoaderInstaller()
 	}
 }
 
-bool LiteLoaderInstaller::canApply(DerpInstance *instance) const
+bool LiteLoaderInstaller::canApply(OneSixInstance *instance) const
 {
 	return m_launcherWrapperVersionMapping.contains(instance->intendedVersionId());
 }
 
-bool LiteLoaderInstaller::add(DerpInstance *to)
+bool LiteLoaderInstaller::add(OneSixInstance *to)
 {
 	if (!BaseInstaller::add(to))
 	{
@@ -60,7 +60,7 @@ bool LiteLoaderInstaller::add(DerpInstance *to)
 
 	// launchwrapper
 	{
-		DerpLibrary launchwrapperLib("net.minecraft:launchwrapper:" + m_launcherWrapperVersionMapping[to->intendedVersionId()]);
+		OneSixLibrary launchwrapperLib("net.minecraft:launchwrapper:" + m_launcherWrapperVersionMapping[to->intendedVersionId()]);
 		launchwrapperLib.finalize();
 		QJsonObject lwLibObj = launchwrapperLib.toJson();
 		lwLibObj.insert("insert", QString("prepend"));
@@ -69,7 +69,7 @@ bool LiteLoaderInstaller::add(DerpInstance *to)
 
 	// liteloader
 	{
-		DerpLibrary liteloaderLib("com.mumfrey:liteloader:" + to->intendedVersionId());
+		OneSixLibrary liteloaderLib("com.mumfrey:liteloader:" + to->intendedVersionId());
 		liteloaderLib.setBaseUrl("http://dl.liteloader.com/versions/");
 		liteloaderLib.finalize();
 		QJsonObject llLibObj = liteloaderLib.toJson();
diff --git a/logic/LiteLoaderInstaller.h b/logic/LiteLoaderInstaller.h
index c128ee22..5e01b16c 100644
--- a/logic/LiteLoaderInstaller.h
+++ b/logic/LiteLoaderInstaller.h
@@ -25,8 +25,8 @@ class LiteLoaderInstaller : public BaseInstaller
 public:
 	LiteLoaderInstaller();
 
-	bool canApply(DerpInstance *instance) const override;
-	bool add(DerpInstance *to) override;
+	bool canApply(OneSixInstance *instance) const override;
+	bool add(OneSixInstance *to) override;
 
 private:
 	virtual QString id() const override { return "com.mumfrey.liteloader"; }
diff --git a/logic/MinecraftVersion.h b/logic/MinecraftVersion.h
index dd849ce9..504381a8 100644
--- a/logic/MinecraftVersion.h
+++ b/logic/MinecraftVersion.h
@@ -32,7 +32,7 @@ struct MinecraftVersion : public BaseVersion
 	/// This version's type. Used internally to identify what kind of version this is.
 	enum VersionType
 	{
-		Derp,
+		OneSix,
 		Legacy,
 		Nostalgia
 	} type;
@@ -66,8 +66,8 @@ struct MinecraftVersion : public BaseVersion
 		}
 		switch (type)
 		{
-		case Derp:
-			pre_final.append("Derp");
+		case OneSix:
+			pre_final.append("OneSix");
 			break;
 		case Legacy:
 			pre_final.append("Legacy");
diff --git a/logic/NostalgiaInstance.cpp b/logic/NostalgiaInstance.cpp
index f27954a7..2e23ee71 100644
--- a/logic/NostalgiaInstance.cpp
+++ b/logic/NostalgiaInstance.cpp
@@ -17,7 +17,7 @@
 
 NostalgiaInstance::NostalgiaInstance(const QString &rootDir, SettingsObject *settings,
 									 QObject *parent)
-	: DerpInstance(rootDir, settings, parent)
+	: OneSixInstance(rootDir, settings, parent)
 {
 }
 
diff --git a/logic/NostalgiaInstance.h b/logic/NostalgiaInstance.h
index 6a6b91a1..a26f7f0a 100644
--- a/logic/NostalgiaInstance.h
+++ b/logic/NostalgiaInstance.h
@@ -15,9 +15,9 @@
 
 #pragma once
 
-#include "DerpInstance.h"
+#include "OneSixInstance.h"
 
-class NostalgiaInstance : public DerpInstance
+class NostalgiaInstance : public OneSixInstance
 {
 	Q_OBJECT
 public:
diff --git a/logic/DerpFTBInstance.cpp b/logic/OneSixFTBInstance.cpp
index 9b687461..71bc1470 100644
--- a/logic/DerpFTBInstance.cpp
+++ b/logic/OneSixFTBInstance.cpp
@@ -1,17 +1,17 @@
-#include "DerpFTBInstance.h"
+#include "OneSixFTBInstance.h"
 
-#include "DerpVersion.h"
-#include "DerpLibrary.h"
+#include "OneSixVersion.h"
+#include "OneSixLibrary.h"
 #include "tasks/SequentialTask.h"
 #include "ForgeInstaller.h"
 #include "lists/ForgeVersionList.h"
 #include "MultiMC.h"
 
-class DerpFTBInstanceForge : public Task
+class OneSixFTBInstanceForge : public Task
 {
 	Q_OBJECT
 public:
-	explicit DerpFTBInstanceForge(const QString &version, DerpFTBInstance *inst, QObject *parent = 0) :
+	explicit OneSixFTBInstanceForge(const QString &version, OneSixFTBInstance *inst, QObject *parent = 0) :
 		Task(parent), instance(inst), version("Forge " + version)
 	{
 	}
@@ -38,7 +38,7 @@ public:
 			fjob = new NetJob("Forge download");
 			fjob->addNetAction(CacheDownload::make(forgeVersion->installer_url, entry));
 			connect(fjob, &NetJob::failed, [this](){emitFailed(m_failReason);});
-			connect(fjob, &NetJob::succeeded, this, &DerpFTBInstanceForge::installForge);
+			connect(fjob, &NetJob::succeeded, this, &OneSixFTBInstanceForge::installForge);
 			connect(fjob, &NetJob::progress, [this](qint64 c, qint64 total){ setProgress(100 * c / total); });
 			fjob->start();
 		}
@@ -70,41 +70,41 @@ slots:
 	}
 
 private:
-	DerpFTBInstance *instance;
+	OneSixFTBInstance *instance;
 	QString version;
 	ForgeVersionPtr forgeVersion;
 	MetaEntryPtr entry;
 	NetJob *fjob;
 };
 
-DerpFTBInstance::DerpFTBInstance(const QString &rootDir, SettingsObject *settings, QObject *parent) :
-	DerpInstance(rootDir, settings, parent)
+OneSixFTBInstance::OneSixFTBInstance(const QString &rootDir, SettingsObject *settings, QObject *parent) :
+	OneSixInstance(rootDir, settings, parent)
 {
 	QFile f(QDir(minecraftRoot()).absoluteFilePath("pack.json"));
 	if (f.open(QFile::ReadOnly))
 	{
 		QString data = QString::fromUtf8(f.readAll());
 		QRegularExpressionMatch match = QRegularExpression("net.minecraftforge:minecraftforge:[\\.\\d]*").match(data);
-		m_forge.reset(new DerpLibrary(match.captured()));
+		m_forge.reset(new OneSixLibrary(match.captured()));
 		m_forge->finalize();
 	}
 }
 
-QString DerpFTBInstance::id() const
+QString OneSixFTBInstance::id() const
 {
 	return "FTB/" + BaseInstance::id();
 }
 
-QString DerpFTBInstance::getStatusbarDescription()
+QString OneSixFTBInstance::getStatusbarDescription()
 {
-	return "Derp FTB: " + intendedVersionId();
+	return "OneSix FTB: " + intendedVersionId();
 }
-bool DerpFTBInstance::menuActionEnabled(QString action_name) const
+bool OneSixFTBInstance::menuActionEnabled(QString action_name) const
 {
 	return false;
 }
 
-std::shared_ptr<Task> DerpFTBInstance::doUpdate(bool only_prepare)
+std::shared_ptr<Task> OneSixFTBInstance::doUpdate(bool only_prepare)
 {
 	std::shared_ptr<SequentialTask> task;
 	task.reset(new SequentialTask(this));
@@ -112,12 +112,12 @@ std::shared_ptr<Task> DerpFTBInstance::doUpdate(bool only_prepare)
 	{
 		task->addTask(std::shared_ptr<Task>(MMC->forgelist()->getLoadTask()));
 	}
-	task->addTask(DerpInstance::doUpdate(only_prepare));
-	task->addTask(std::shared_ptr<Task>(new DerpFTBInstanceForge(m_forge->version(), this, this)));
+	task->addTask(OneSixInstance::doUpdate(only_prepare));
+	task->addTask(std::shared_ptr<Task>(new OneSixFTBInstanceForge(m_forge->version(), this, this)));
 	//FIXME: yes. this may appear dumb. but the previous step can change the list, so we do it all again.
 	//TODO: Add a graph task. Construct graphs of tasks so we may capture the logic properly.
-	task->addTask(DerpInstance::doUpdate(only_prepare));
+	task->addTask(OneSixInstance::doUpdate(only_prepare));
 	return task;
 }
 
-#include "DerpFTBInstance.moc"
+#include "OneSixFTBInstance.moc"
diff --git a/logic/DerpFTBInstance.h b/logic/OneSixFTBInstance.h
index c16998bf..dc028819 100644
--- a/logic/DerpFTBInstance.h
+++ b/logic/OneSixFTBInstance.h
@@ -1,14 +1,14 @@
 #pragma once
 
-#include "DerpInstance.h"
+#include "OneSixInstance.h"
 
-class DerpLibrary;
+class OneSixLibrary;
 
-class DerpFTBInstance : public DerpInstance
+class OneSixFTBInstance : public OneSixInstance
 {
 	Q_OBJECT
 public:
-	explicit DerpFTBInstance(const QString &rootDir, SettingsObject *settings,
+	explicit OneSixFTBInstance(const QString &rootDir, SettingsObject *settings,
 							QObject *parent = 0);
 	virtual QString getStatusbarDescription();
 	virtual bool menuActionEnabled(QString action_name) const;
@@ -18,5 +18,5 @@ public:
 	virtual QString id() const;
 
 private:
-	std::shared_ptr<DerpLibrary> m_forge;
+	std::shared_ptr<OneSixLibrary> m_forge;
 };
diff --git a/logic/DerpInstance.cpp b/logic/OneSixInstance.cpp
index e6b92b1f..c43a5187 100644
--- a/logic/DerpInstance.cpp
+++ b/logic/OneSixInstance.cpp
@@ -13,28 +13,28 @@
  * limitations under the License.
  */
 
-#include "DerpInstance.h"
+#include "OneSixInstance.h"
 
 #include <QIcon>
 
-#include "DerpInstance_p.h"
-#include "DerpUpdate.h"
-#include "DerpVersion.h"
+#include "OneSixInstance_p.h"
+#include "OneSixUpdate.h"
+#include "OneSixVersion.h"
 #include "pathutils.h"
 #include "logger/QsLog.h"
 #include "assets/AssetsUtils.h"
 #include "MultiMC.h"
 #include "icons/IconList.h"
 #include "MinecraftProcess.h"
-#include "gui/dialogs/DerpModEditDialog.h"
+#include "gui/dialogs/OneSixModEditDialog.h"
 
-DerpInstance::DerpInstance(const QString &rootDir, SettingsObject *settings, QObject *parent)
-	: BaseInstance(new DerpInstancePrivate(), rootDir, settings, parent)
+OneSixInstance::OneSixInstance(const QString &rootDir, SettingsObject *settings, QObject *parent)
+	: BaseInstance(new OneSixInstancePrivate(), rootDir, settings, parent)
 {
-	I_D(DerpInstance);
+	I_D(OneSixInstance);
 	d->m_settings->registerSetting("IntendedVersion", "");
 	d->m_settings->registerSetting("ShouldUpdate", false);
-	d->version.reset(new DerpVersion(this, this));
+	d->version.reset(new OneSixVersion(this, this));
 	if (QDir(instanceRoot()).exists("version.json"))
 	{
 		reloadFullVersion();
@@ -45,9 +45,9 @@ DerpInstance::DerpInstance(const QString &rootDir, SettingsObject *settings, QOb
 	}
 }
 
-std::shared_ptr<Task> DerpInstance::doUpdate(bool only_prepare)
+std::shared_ptr<Task> OneSixInstance::doUpdate(bool only_prepare)
 {
-	return std::shared_ptr<Task>(new DerpUpdate(this, only_prepare));
+	return std::shared_ptr<Task>(new OneSixUpdate(this, only_prepare));
 }
 
 QString replaceTokensIn(QString text, QMap<QString, QString> with)
@@ -74,7 +74,7 @@ QString replaceTokensIn(QString text, QMap<QString, QString> with)
 	return result;
 }
 
-QDir DerpInstance::reconstructAssets(std::shared_ptr<DerpVersion> version)
+QDir OneSixInstance::reconstructAssets(std::shared_ptr<OneSixVersion> version)
 {
 	QDir assetsDir = QDir("assets/");
 	QDir indexDir = QDir(PathCombine(assetsDir.path(), "indexes"));
@@ -134,9 +134,9 @@ QDir DerpInstance::reconstructAssets(std::shared_ptr<DerpVersion> version)
 	return virtualRoot;
 }
 
-QStringList DerpInstance::processMinecraftArgs(MojangAccountPtr account)
+QStringList OneSixInstance::processMinecraftArgs(MojangAccountPtr account)
 {
-	I_D(DerpInstance);
+	I_D(OneSixInstance);
 	auto version = d->version;
 	QString args_pattern = version->minecraftArguments;
 
@@ -186,9 +186,9 @@ QStringList DerpInstance::processMinecraftArgs(MojangAccountPtr account)
 	return parts;
 }
 
-MinecraftProcess *DerpInstance::prepareForLaunch(MojangAccountPtr account)
+MinecraftProcess *OneSixInstance::prepareForLaunch(MojangAccountPtr account)
 {
-	I_D(DerpInstance);
+	I_D(OneSixInstance);
 
 	QIcon icon = MMC->icons()->getIcon(iconKey());
 	auto pixmap = icon.pixmap(128, 128);
@@ -248,16 +248,16 @@ MinecraftProcess *DerpInstance::prepareForLaunch(MojangAccountPtr account)
 	return proc;
 }
 
-void DerpInstance::cleanupAfterRun()
+void OneSixInstance::cleanupAfterRun()
 {
 	QString target_dir = PathCombine(instanceRoot(), "natives/");
 	QDir dir(target_dir);
 	dir.removeRecursively();
 }
 
-std::shared_ptr<ModList> DerpInstance::loaderModList()
+std::shared_ptr<ModList> OneSixInstance::loaderModList()
 {
-	I_D(DerpInstance);
+	I_D(OneSixInstance);
 	if (!d->loader_mod_list)
 	{
 		d->loader_mod_list.reset(new ModList(loaderModsDir()));
@@ -266,9 +266,9 @@ std::shared_ptr<ModList> DerpInstance::loaderModList()
 	return d->loader_mod_list;
 }
 
-std::shared_ptr<ModList> DerpInstance::resourcePackList()
+std::shared_ptr<ModList> OneSixInstance::resourcePackList()
 {
-	I_D(DerpInstance);
+	I_D(OneSixInstance);
 	if (!d->resource_pack_list)
 	{
 		d->resource_pack_list.reset(new ModList(resourcePacksDir()));
@@ -277,12 +277,12 @@ std::shared_ptr<ModList> DerpInstance::resourcePackList()
 	return d->resource_pack_list;
 }
 
-QDialog *DerpInstance::createModEditDialog(QWidget *parent)
+QDialog *OneSixInstance::createModEditDialog(QWidget *parent)
 {
-	return new DerpModEditDialog(this, parent);
+	return new OneSixModEditDialog(this, parent);
 }
 
-bool DerpInstance::setIntendedVersionId(QString version)
+bool OneSixInstance::setIntendedVersionId(QString version)
 {
 	settings().set("IntendedVersion", version);
 	setShouldUpdate(true);
@@ -291,17 +291,17 @@ bool DerpInstance::setIntendedVersionId(QString version)
 	return true;
 }
 
-QString DerpInstance::intendedVersionId() const
+QString OneSixInstance::intendedVersionId() const
 {
 	return settings().get("IntendedVersion").toString();
 }
 
-void DerpInstance::setShouldUpdate(bool val)
+void OneSixInstance::setShouldUpdate(bool val)
 {
 	settings().set("ShouldUpdate", val);
 }
 
-bool DerpInstance::shouldUpdate() const
+bool OneSixInstance::shouldUpdate() const
 {
 	QVariant var = settings().get("ShouldUpdate");
 	if (!var.isValid() || var.toBool() == false)
@@ -311,60 +311,60 @@ bool DerpInstance::shouldUpdate() const
 	return true;
 }
 
-bool DerpInstance::versionIsCustom()
+bool OneSixInstance::versionIsCustom()
 {
 	QDir patches(PathCombine(instanceRoot(), "patches/"));
 	return QFile::exists(PathCombine(instanceRoot(), "custom.json"))
 			|| (patches.exists() && patches.count() >= 0);
 }
 
-QString DerpInstance::currentVersionId() const
+QString OneSixInstance::currentVersionId() const
 {
 	return intendedVersionId();
 }
 
-bool DerpInstance::reloadFullVersion(QWidget *widgetParent)
+bool OneSixInstance::reloadFullVersion(QWidget *widgetParent)
 {
-	I_D(DerpInstance);
+	I_D(OneSixInstance);
 
 	bool ret = d->version->reload(widgetParent);
 	emit versionReloaded();
 	return ret;
 }
 
-void DerpInstance::clearFullVersion()
+void OneSixInstance::clearFullVersion()
 {
-	I_D(DerpInstance);
+	I_D(OneSixInstance);
 	d->version->clear();
 	emit versionReloaded();
 }
 
-std::shared_ptr<DerpVersion> DerpInstance::getFullVersion()
+std::shared_ptr<OneSixVersion> OneSixInstance::getFullVersion()
 {
-	I_D(DerpInstance);
+	I_D(OneSixInstance);
 	return d->version;
 }
 
-QString DerpInstance::defaultBaseJar() const
+QString OneSixInstance::defaultBaseJar() const
 {
 	return "versions/" + intendedVersionId() + "/" + intendedVersionId() + ".jar";
 }
 
-QString DerpInstance::defaultCustomBaseJar() const
+QString OneSixInstance::defaultCustomBaseJar() const
 {
 	return PathCombine(instanceRoot(), "custom.jar");
 }
 
-bool DerpInstance::menuActionEnabled(QString action_name) const
+bool OneSixInstance::menuActionEnabled(QString action_name) const
 {
 	if (action_name == "actionChangeInstLWJGLVersion")
 		return false;
 	return true;
 }
 
-QString DerpInstance::getStatusbarDescription()
+QString OneSixInstance::getStatusbarDescription()
 {
-	QString descr = "Derp : " + intendedVersionId();
+	QString descr = "OneSix : " + intendedVersionId();
 	if (versionIsCustom())
 	{
 		descr + " (custom)";
@@ -372,17 +372,17 @@ QString DerpInstance::getStatusbarDescription()
 	return descr;
 }
 
-QString DerpInstance::loaderModsDir() const
+QString OneSixInstance::loaderModsDir() const
 {
 	return PathCombine(minecraftRoot(), "mods");
 }
 
-QString DerpInstance::resourcePacksDir() const
+QString OneSixInstance::resourcePacksDir() const
 {
 	return PathCombine(minecraftRoot(), "resourcepacks");
 }
 
-QString DerpInstance::instanceConfigFolder() const
+QString OneSixInstance::instanceConfigFolder() const
 {
 	return PathCombine(minecraftRoot(), "config");
 }
diff --git a/logic/DerpInstance.h b/logic/OneSixInstance.h
index 46f953c0..94577828 100644
--- a/logic/DerpInstance.h
+++ b/logic/OneSixInstance.h
@@ -17,14 +17,14 @@
 
 #include "BaseInstance.h"
 
-#include "DerpVersion.h"
+#include "OneSixVersion.h"
 #include "ModList.h"
 
-class DerpInstance : public BaseInstance
+class OneSixInstance : public BaseInstance
 {
 	Q_OBJECT
 public:
-	explicit DerpInstance(const QString &rootDir, SettingsObject *settings,
+	explicit OneSixInstance(const QString &rootDir, SettingsObject *settings,
 						  QObject *parent = 0);
 
 	//////  Mod Lists  //////
@@ -56,7 +56,7 @@ public:
 	/// clears all version information in preparation for an update
 	void clearFullVersion();
 	/// get the current full version info
-	std::shared_ptr<DerpVersion> getFullVersion();
+	std::shared_ptr<OneSixVersion> getFullVersion();
 	/// is the current version original, or custom?
 	virtual bool versionIsCustom() override;
 
@@ -71,5 +71,5 @@ signals:
 
 private:
 	QStringList processMinecraftArgs(MojangAccountPtr account);
-	QDir reconstructAssets(std::shared_ptr<DerpVersion> version);
+	QDir reconstructAssets(std::shared_ptr<OneSixVersion> version);
 };
diff --git a/logic/DerpInstance_p.h b/logic/OneSixInstance_p.h
index 41f7b62d..a2b70ac9 100644
--- a/logic/DerpInstance_p.h
+++ b/logic/OneSixInstance_p.h
@@ -16,12 +16,12 @@
 #pragma once
 
 #include "BaseInstance_p.h"
-#include "DerpVersion.h"
+#include "OneSixVersion.h"
 #include "ModList.h"
 
-struct DerpInstancePrivate : public BaseInstancePrivate
+struct OneSixInstancePrivate : public BaseInstancePrivate
 {
-	std::shared_ptr<DerpVersion> version;
+	std::shared_ptr<OneSixVersion> version;
 	std::shared_ptr<ModList> loader_mod_list;
 	std::shared_ptr<ModList> resource_pack_list;
 };
diff --git a/logic/DerpLibrary.cpp b/logic/OneSixLibrary.cpp
index ba4d516b..4d892d53 100644
--- a/logic/DerpLibrary.cpp
+++ b/logic/OneSixLibrary.cpp
@@ -15,15 +15,15 @@
 
 #include <QJsonArray>
 
-#include "DerpLibrary.h"
-#include "DerpRule.h"
+#include "OneSixLibrary.h"
+#include "OneSixRule.h"
 #include "OpSys.h"
 #include "logic/net/URLConstants.h"
 #include <pathutils.h>
 #include <JlCompress.h>
 #include "logger/QsLog.h"
 
-void DerpLibrary::finalize()
+void OneSixLibrary::finalize()
 {
 	QStringList parts = m_name.split(':');
 	QString relative = parts[0];
@@ -76,67 +76,67 @@ void DerpLibrary::finalize()
 	}
 }
 
-void DerpLibrary::setName(const QString &name)
+void OneSixLibrary::setName(const QString &name)
 {
 	m_name = name;
 }
-void DerpLibrary::setBaseUrl(const QString &base_url)
+void OneSixLibrary::setBaseUrl(const QString &base_url)
 {
 	m_base_url = base_url;
 }
-void DerpLibrary::setIsNative()
+void OneSixLibrary::setIsNative()
 {
 	m_is_native = true;
 }
-void DerpLibrary::addNative(OpSys os, const QString &suffix)
+void OneSixLibrary::addNative(OpSys os, const QString &suffix)
 {
 	m_is_native = true;
 	m_native_suffixes[os] = suffix;
 }
-void DerpLibrary::setRules(QList<std::shared_ptr<Rule>> rules)
+void OneSixLibrary::setRules(QList<std::shared_ptr<Rule>> rules)
 {
 	m_rules = rules;
 }
-bool DerpLibrary::isActive() const
+bool OneSixLibrary::isActive() const
 {
 	return m_is_active;
 }
-bool DerpLibrary::isNative() const
+bool OneSixLibrary::isNative() const
 {
 	return m_is_native;
 }
-QString DerpLibrary::downloadUrl() const
+QString OneSixLibrary::downloadUrl() const
 {
 	if (m_absolute_url.size())
 		return m_absolute_url;
 	return m_download_url;
 }
-QString DerpLibrary::storagePath() const
+QString OneSixLibrary::storagePath() const
 {
 	return m_storage_path;
 }
 
-void DerpLibrary::setAbsoluteUrl(const QString &absolute_url)
+void OneSixLibrary::setAbsoluteUrl(const QString &absolute_url)
 {
 	m_absolute_url = absolute_url;
 }
 
-QString DerpLibrary::absoluteUrl() const
+QString OneSixLibrary::absoluteUrl() const
 {
 	return m_absolute_url;
 }
 
-void DerpLibrary::setHint(const QString &hint)
+void OneSixLibrary::setHint(const QString &hint)
 {
 	m_hint = hint;
 }
 
-QString DerpLibrary::hint() const
+QString OneSixLibrary::hint() const
 {
 	return m_hint;
 }
 
-bool DerpLibrary::filesExist()
+bool OneSixLibrary::filesExist()
 {
 	QString storage = storagePath();
 	if (storage.contains("${arch}"))
@@ -167,7 +167,7 @@ bool DerpLibrary::filesExist()
 	return true;
 }
 
-bool DerpLibrary::extractTo(QString target_dir)
+bool OneSixLibrary::extractTo(QString target_dir)
 {
 	QString storage = storagePath();
 	if (storage.contains("${arch}"))
@@ -220,7 +220,7 @@ bool DerpLibrary::extractTo(QString target_dir)
 	return true;
 }
 
-QJsonObject DerpLibrary::toJson()
+QJsonObject OneSixLibrary::toJson()
 {
 	QJsonObject libRoot;
 	libRoot.insert("name", m_name);
diff --git a/logic/DerpLibrary.h b/logic/OneSixLibrary.h
index d1cee843..52f89969 100644
--- a/logic/DerpLibrary.h
+++ b/logic/OneSixLibrary.h
@@ -26,7 +26,7 @@
 
 class Rule;
 
-class DerpLibrary
+class OneSixLibrary
 {
 private:
 	// basic values used internally (so far)
@@ -63,7 +63,7 @@ public:
 
 public:
 	/// Constructor
-	DerpLibrary(const QString &name)
+	OneSixLibrary(const QString &name)
 	{
 		m_name = name;
 	}
diff --git a/logic/DerpRule.cpp b/logic/OneSixRule.cpp
index 5ed200e3..d8d13b50 100644
--- a/logic/DerpRule.cpp
+++ b/logic/OneSixRule.cpp
@@ -16,7 +16,7 @@
 #include <QJsonObject>
 #include <QJsonArray>
 
-#include "DerpRule.h"
+#include "OneSixRule.h"
 
 QList<std::shared_ptr<Rule>> rulesFromJsonV4(const QJsonObject &objectWithRules)
 {
diff --git a/logic/DerpRule.h b/logic/OneSixRule.h
index 0254028c..426e2886 100644
--- a/logic/DerpRule.h
+++ b/logic/OneSixRule.h
@@ -17,7 +17,7 @@
 
 #include <QString>
 
-#include "logic/DerpLibrary.h"
+#include "logic/OneSixLibrary.h"
 
 enum RuleAction
 {
@@ -33,7 +33,7 @@ class Rule
 {
 protected:
 	RuleAction m_result;
-	virtual bool applies(DerpLibrary *parent) = 0;
+	virtual bool applies(OneSixLibrary *parent) = 0;
 
 public:
 	Rule(RuleAction result) : m_result(result)
@@ -41,7 +41,7 @@ public:
 	}
 	virtual ~Rule() {};
 	virtual QJsonObject toJson() = 0;
-	RuleAction apply(DerpLibrary *parent)
+	RuleAction apply(OneSixLibrary *parent)
 	{
 		if (applies(parent))
 			return m_result;
@@ -60,7 +60,7 @@ private:
 	QString m_version_regexp;
 
 protected:
-	virtual bool applies(DerpLibrary *)
+	virtual bool applies(OneSixLibrary *)
 	{
 		return (m_system == currentSystem);
 	}
@@ -81,7 +81,7 @@ public:
 class ImplicitRule : public Rule
 {
 protected:
-	virtual bool applies(DerpLibrary *)
+	virtual bool applies(OneSixLibrary *)
 	{
 		return true;
 	}
diff --git a/logic/DerpUpdate.cpp b/logic/OneSixUpdate.cpp
index 5686e4ac..f51b6c23 100644
--- a/logic/DerpUpdate.cpp
+++ b/logic/OneSixUpdate.cpp
@@ -14,7 +14,7 @@
  */
 
 #include "MultiMC.h"
-#include "DerpUpdate.h"
+#include "OneSixUpdate.h"
 
 #include <QtNetwork>
 
@@ -25,9 +25,9 @@
 
 #include "BaseInstance.h"
 #include "lists/MinecraftVersionList.h"
-#include "DerpVersion.h"
-#include "DerpLibrary.h"
-#include "DerpInstance.h"
+#include "OneSixVersion.h"
+#include "OneSixLibrary.h"
+#include "OneSixInstance.h"
 #include "net/ForgeMirrors.h"
 #include "net/URLConstants.h"
 #include "assets/AssetsUtils.h"
@@ -35,12 +35,12 @@
 #include "pathutils.h"
 #include <JlCompress.h>
 
-DerpUpdate::DerpUpdate(BaseInstance *inst, bool only_prepare, QObject *parent)
+OneSixUpdate::OneSixUpdate(BaseInstance *inst, bool only_prepare, QObject *parent)
 	: Task(parent), m_inst(inst), m_only_prepare(only_prepare)
 {
 }
 
-void DerpUpdate::executeTask()
+void OneSixUpdate::executeTask()
 {
 	QString intendedVersion = m_inst->intendedVersionId();
 
@@ -77,7 +77,7 @@ void DerpUpdate::executeTask()
 	}
 }
 
-void DerpUpdate::versionFileStart()
+void OneSixUpdate::versionFileStart()
 {
 	QLOG_INFO() << m_inst->name() << ": getting version file.";
 	setStatus(tr("Getting the version files from Mojang..."));
@@ -94,10 +94,10 @@ void DerpUpdate::versionFileStart()
 	specificVersionDownloadJob->start();
 }
 
-void DerpUpdate::versionFileFinished()
+void OneSixUpdate::versionFileFinished()
 {
 	NetActionPtr DlJob = specificVersionDownloadJob->first();
-	DerpInstance *inst = (DerpInstance *)m_inst;
+	OneSixInstance *inst = (OneSixInstance *)m_inst;
 
 	QString version_id = targetVersion->descriptor();
 	QString inst_dir = m_inst->instanceRoot();
@@ -142,16 +142,16 @@ void DerpUpdate::versionFileFinished()
 	jarlibStart();
 }
 
-void DerpUpdate::versionFileFailed()
+void OneSixUpdate::versionFileFailed()
 {
 	emitFailed("Failed to download the version description. Try again.");
 }
 
-void DerpUpdate::assetIndexStart()
+void OneSixUpdate::assetIndexStart()
 {
 	setStatus(tr("Updating assets index..."));
-	DerpInstance *inst = (DerpInstance *)m_inst;
-	std::shared_ptr<DerpVersion> version = inst->getFullVersion();
+	OneSixInstance *inst = (OneSixInstance *)m_inst;
+	std::shared_ptr<OneSixVersion> version = inst->getFullVersion();
 	QString assetName = version->assets;
 	QUrl indexUrl = "http://" + URLConstants::AWS_DOWNLOAD_INDEXES + assetName + ".json";
 	QString localPath = assetName + ".json";
@@ -170,12 +170,12 @@ void DerpUpdate::assetIndexStart()
 	jarlibDownloadJob->start();
 }
 
-void DerpUpdate::assetIndexFinished()
+void OneSixUpdate::assetIndexFinished()
 {
 	AssetsIndex index;
 
-	DerpInstance *inst = (DerpInstance *)m_inst;
-	std::shared_ptr<DerpVersion> version = inst->getFullVersion();
+	OneSixInstance *inst = (OneSixInstance *)m_inst;
+	std::shared_ptr<OneSixVersion> version = inst->getFullVersion();
 	QString assetName = version->assets;
 
 	QString asset_fname = "assets/indexes/" + assetName + ".json";
@@ -215,26 +215,26 @@ void DerpUpdate::assetIndexFinished()
 	assetsFinished();
 }
 
-void DerpUpdate::assetIndexFailed()
+void OneSixUpdate::assetIndexFailed()
 {
 	emitFailed("Failed to download the assets index!");
 }
 
-void DerpUpdate::assetsFinished()
+void OneSixUpdate::assetsFinished()
 {
 	prepareForLaunch();
 }
 
-void DerpUpdate::assetsFailed()
+void OneSixUpdate::assetsFailed()
 {
 	emitFailed("Failed to download assets!");
 }
 
-void DerpUpdate::jarlibStart()
+void OneSixUpdate::jarlibStart()
 {
 	setStatus(tr("Getting the library files from Mojang..."));
 	QLOG_INFO() << m_inst->name() << ": downloading libraries";
-	DerpInstance *inst = (DerpInstance *)m_inst;
+	OneSixInstance *inst = (OneSixInstance *)m_inst;
 	bool successful = inst->reloadFullVersion();
 	if (!successful)
 	{
@@ -244,7 +244,7 @@ void DerpUpdate::jarlibStart()
 	}
 
 	// Build a list of URLs that will need to be downloaded.
-	std::shared_ptr<DerpVersion> version = inst->getFullVersion();
+	std::shared_ptr<OneSixVersion> version = inst->getFullVersion();
 	// minecraft.jar for this version
 	{
 		QString version_id = version->id;
@@ -318,12 +318,12 @@ void DerpUpdate::jarlibStart()
 	jarlibDownloadJob->start();
 }
 
-void DerpUpdate::jarlibFinished()
+void OneSixUpdate::jarlibFinished()
 {
 	assetIndexStart();
 }
 
-void DerpUpdate::jarlibFailed()
+void OneSixUpdate::jarlibFailed()
 {
 	QStringList failed = jarlibDownloadJob->getFailedFiles();
 	QString failed_all = failed.join("\n");
@@ -331,17 +331,17 @@ void DerpUpdate::jarlibFailed()
 			   "\n\nPlease try again.");
 }
 
-void DerpUpdate::prepareForLaunch()
+void OneSixUpdate::prepareForLaunch()
 {
 	setStatus(tr("Preparing for launch..."));
 	QLOG_INFO() << m_inst->name() << ": preparing for launch";
-	auto derp_inst = (DerpInstance *)m_inst;
+	auto OneSix_inst = (OneSixInstance *)m_inst;
 
 	// delete any leftovers, if they are present.
-	derp_inst->cleanupAfterRun();
+	OneSix_inst->cleanupAfterRun();
 
-	QString natives_dir_raw = PathCombine(derp_inst->instanceRoot(), "natives/");
-	auto version = derp_inst->getFullVersion();
+	QString natives_dir_raw = PathCombine(OneSix_inst->instanceRoot(), "natives/");
+	auto version = OneSix_inst->getFullVersion();
 	if (!version)
 	{
 		emitFailed("The version information for this instance is not complete. Try re-creating "
diff --git a/logic/DerpUpdate.h b/logic/OneSixUpdate.h
index 475f6c35..bc717a94 100644
--- a/logic/DerpUpdate.h
+++ b/logic/OneSixUpdate.h
@@ -25,11 +25,11 @@
 class MinecraftVersion;
 class BaseInstance;
 
-class DerpUpdate : public Task
+class OneSixUpdate : public Task
 {
 	Q_OBJECT
 public:
-	explicit DerpUpdate(BaseInstance *inst, bool prepare_for_launch, QObject *parent = 0);
+	explicit OneSixUpdate(BaseInstance *inst, bool prepare_for_launch, QObject *parent = 0);
 	virtual void executeTask();
 
 private
diff --git a/logic/OneSixVersion.cpp b/logic/OneSixVersion.cpp
index 3571be9b..3db3bd77 100644
--- a/logic/OneSixVersion.cpp
+++ b/logic/OneSixVersion.cpp
@@ -13,228 +13,60 @@
  * limitations under the License.
  */
 
-#include "logic/DerpVersion.h"
-#include "logic/DerpLibrary.h"
-#include "logic/DerpRule.h"
+#include "OneSixVersion.h"
 
-#include "logger/QsLog.h"
+#include <QDebug>
 
-std::shared_ptr<DerpVersion> fromJsonV4(QJsonObject root,
-										  std::shared_ptr<DerpVersion> fullVersion)
-{
-	fullVersion->id = root.value("id").toString();
-
-	fullVersion->mainClass = root.value("mainClass").toString();
-	auto procArgsValue = root.value("processArguments");
-	if (procArgsValue.isString())
-	{
-		fullVersion->processArguments = procArgsValue.toString();
-		QString toCompare = fullVersion->processArguments.toLower();
-		if (toCompare == "legacy")
-		{
-			fullVersion->minecraftArguments = " ${auth_player_name} ${auth_session}";
-		}
-		else if (toCompare == "username_session")
-		{
-			fullVersion->minecraftArguments =
-				"--username ${auth_player_name} --session ${auth_session}";
-		}
-		else if (toCompare == "username_session_version")
-		{
-			fullVersion->minecraftArguments = "--username ${auth_player_name} "
-											  "--session ${auth_session} "
-											  "--version ${profile_name}";
-		}
-	}
-
-	auto minecraftArgsValue = root.value("minecraftArguments");
-	if (minecraftArgsValue.isString())
-	{
-		fullVersion->minecraftArguments = minecraftArgsValue.toString();
-	}
-
-	auto minecraftTypeValue = root.value("type");
-	if (minecraftTypeValue.isString())
-	{
-		fullVersion->type = minecraftTypeValue.toString();
-	}
-
-	fullVersion->releaseTime = root.value("releaseTime").toString();
-	fullVersion->time = root.value("time").toString();
-
-	auto assetsID = root.value("assets");
-	if (assetsID.isString())
-	{
-		fullVersion->assets = assetsID.toString();
-	}
-	else
-	{
-		fullVersion->assets = "legacy";
-	}
-
-	QLOG_DEBUG() << "Assets version:" << fullVersion->assets;
-
-	// Iterate through the list, if it's a list.
-	auto librariesValue = root.value("libraries");
-	if (!librariesValue.isArray())
-		return fullVersion;
-
-	QJsonArray libList = root.value("libraries").toArray();
-	for (auto libVal : libList)
-	{
-		if (!libVal.isObject())
-		{
-			continue;
-		}
-
-		QJsonObject libObj = libVal.toObject();
-
-		// Library name
-		auto nameVal = libObj.value("name");
-		if (!nameVal.isString())
-			continue;
-		std::shared_ptr<DerpLibrary> library(new DerpLibrary(nameVal.toString()));
-
-		auto urlVal = libObj.value("url");
-		if (urlVal.isString())
-		{
-			library->setBaseUrl(urlVal.toString());
-		}
-		auto hintVal = libObj.value("MMC-hint");
-		if (hintVal.isString())
-		{
-			library->setHint(hintVal.toString());
-		}
-		auto urlAbsVal = libObj.value("MMC-absoluteUrl");
-		auto urlAbsuVal = libObj.value("MMC-absulute_url"); // compatibility
-		if (urlAbsVal.isString())
-		{
-			library->setAbsoluteUrl(urlAbsVal.toString());
-		}
-		else if (urlAbsuVal.isString())
-		{
-			library->setAbsoluteUrl(urlAbsuVal.toString());
-		}
-		// Extract excludes (if any)
-		auto extractVal = libObj.value("extract");
-		if (extractVal.isObject())
-		{
-			QStringList excludes;
-			auto extractObj = extractVal.toObject();
-			auto excludesVal = extractObj.value("exclude");
-			if (excludesVal.isArray())
-			{
-				auto excludesList = excludesVal.toArray();
-				for (auto excludeVal : excludesList)
-				{
-					if (excludeVal.isString())
-						excludes.append(excludeVal.toString());
-				}
-				library->extract_excludes = excludes;
-			}
-		}
+#include "OneSixVersionBuilder.h"
 
-		auto nativesVal = libObj.value("natives");
-		if (nativesVal.isObject())
-		{
-			library->setIsNative();
-			auto nativesObj = nativesVal.toObject();
-			auto iter = nativesObj.begin();
-			while (iter != nativesObj.end())
-			{
-				auto osType = OpSys_fromString(iter.key());
-				if (osType == Os_Other)
-					continue;
-				if (!iter.value().isString())
-					continue;
-				library->addNative(osType, iter.value().toString());
-				iter++;
-			}
-		}
-		library->setRules(rulesFromJsonV4(libObj));
-		library->finalize();
-		fullVersion->libraries.append(library);
-	}
-	return fullVersion;
+OneSixVersion::OneSixVersion(OneSixInstance *instance, QObject *parent)
+	: QAbstractListModel(parent), m_instance(instance)
+{
+	clear();
 }
 
-std::shared_ptr<DerpVersion> DerpVersion::fromJson(QJsonObject root)
+bool OneSixVersion::reload(QWidget *widgetParent)
 {
-	std::shared_ptr<DerpVersion> readVersion(new DerpVersion());
-	int launcher_ver = readVersion->minimumLauncherVersion =
-		root.value("minimumLauncherVersion").toDouble();
-
-	// ADD MORE HERE :D
-	if (launcher_ver > 0 && launcher_ver <= 13)
-		return fromJsonV4(root, readVersion);
-	else
-	{
-		return std::shared_ptr<DerpVersion>();
-	}
+	return OneSixVersionBuilder::build(this, m_instance, widgetParent);
 }
 
-std::shared_ptr<DerpVersion> DerpVersion::fromFile(QString filepath)
+void OneSixVersion::clear()
 {
-	QFile file(filepath);
-	if (!file.open(QIODevice::ReadOnly))
-	{
-		return std::shared_ptr<DerpVersion>();
-	}
-
-	auto data = file.readAll();
-	QJsonParseError jsonError;
-	QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &jsonError);
-
-	if (jsonError.error != QJsonParseError::NoError)
-	{
-		return std::shared_ptr<DerpVersion>();
-	}
-
-	if (!jsonDoc.isObject())
-	{
-		return std::shared_ptr<DerpVersion>();
-	}
-	QJsonObject root = jsonDoc.object();
-	auto version = fromJson(root);
-	if (version)
-		version->original_file = filepath;
-	return version;
+	id.clear();
+	time.clear();
+	releaseTime.clear();
+	type.clear();
+	assets.clear();
+	processArguments.clear();
+	minecraftArguments.clear();
+	minimumLauncherVersion = 0xDEADBEAF;
+	mainClass.clear();
+	libraries.clear();
 }
 
-bool DerpVersion::toOriginalFile()
+void OneSixVersion::dump() const
 {
-	if (original_file.isEmpty())
-		return false;
-	QSaveFile file(original_file);
-	if (!file.open(QIODevice::WriteOnly))
-	{
-		return false;
-	}
-	// serialize base attributes (those we care about anyway)
-	QJsonObject root;
-	root.insert("minecraftArguments", minecraftArguments);
-	root.insert("mainClass", mainClass);
-	root.insert("minimumLauncherVersion", minimumLauncherVersion);
-	root.insert("time", time);
-	root.insert("id", id);
-	root.insert("type", type);
-	// screw processArguments
-	root.insert("releaseTime", releaseTime);
-	QJsonArray libarray;
-	for (const auto &lib : libraries)
+	qDebug().nospace() << "OneSixVersion("
+				  << "\n\tid=" << id
+				  << "\n\ttime=" << time
+				  << "\n\treleaseTime=" << releaseTime
+				  << "\n\ttype=" << type
+				  << "\n\tassets=" << assets
+				  << "\n\tprocessArguments=" << processArguments
+				  << "\n\tminecraftArguments=" << minecraftArguments
+				  << "\n\tminimumLauncherVersion=" << minimumLauncherVersion
+				  << "\n\tmainClass=" << mainClass
+				  << "\n\tlibraries=";
+	for (auto lib : libraries)
 	{
-		libarray.append(lib->toJson());
+		qDebug().nospace() << "\n\t\t" << lib.get();
 	}
-	if (libarray.count())
-		root.insert("libraries", libarray);
-	QJsonDocument doc(root);
-	file.write(doc.toJson());
-	return file.commit();
+	qDebug().nospace() << "\n)";
 }
 
-QList<std::shared_ptr<DerpLibrary>> DerpVersion::getActiveNormalLibs()
+QList<std::shared_ptr<OneSixLibrary> > OneSixVersion::getActiveNormalLibs()
 {
-	QList<std::shared_ptr<DerpLibrary>> output;
+	QList<std::shared_ptr<OneSixLibrary> > output;
 	for (auto lib : libraries)
 	{
 		if (lib->isActive() && !lib->isNative())
@@ -245,9 +77,9 @@ QList<std::shared_ptr<DerpLibrary>> DerpVersion::getActiveNormalLibs()
 	return output;
 }
 
-QList<std::shared_ptr<DerpLibrary>> DerpVersion::getActiveNativeLibs()
+QList<std::shared_ptr<OneSixLibrary> > OneSixVersion::getActiveNativeLibs()
 {
-	QList<std::shared_ptr<DerpLibrary>> output;
+	QList<std::shared_ptr<OneSixLibrary> > output;
 	for (auto lib : libraries)
 	{
 		if (lib->isActive() && lib->isNative())
@@ -258,17 +90,17 @@ QList<std::shared_ptr<DerpLibrary>> DerpVersion::getActiveNativeLibs()
 	return output;
 }
 
-void DerpVersion::externalUpdateStart()
-{
-	beginResetModel();
-}
-
-void DerpVersion::externalUpdateFinish()
+std::shared_ptr<OneSixVersion> OneSixVersion::fromJson(const QJsonObject &obj)
 {
-	endResetModel();
+	std::shared_ptr<OneSixVersion> version(new OneSixVersion(0));
+	if (OneSixVersionBuilder::read(version.get(), obj))
+	{
+		return version;
+	}
+	return 0;
 }
 
-QVariant DerpVersion::data(const QModelIndex &index, int role) const
+QVariant OneSixVersion::data(const QModelIndex &index, int role) const
 {
 	if (!index.isValid())
 		return QVariant();
@@ -296,7 +128,7 @@ QVariant DerpVersion::data(const QModelIndex &index, int role) const
 	return QVariant();
 }
 
-Qt::ItemFlags DerpVersion::flags(const QModelIndex &index) const
+Qt::ItemFlags OneSixVersion::flags(const QModelIndex &index) const
 {
 	if (!index.isValid())
 		return Qt::NoItemFlags;
@@ -312,7 +144,7 @@ Qt::ItemFlags DerpVersion::flags(const QModelIndex &index) const
 	// return QAbstractListModel::flags(index);
 }
 
-QVariant DerpVersion::headerData(int section, Qt::Orientation orientation, int role) const
+QVariant OneSixVersion::headerData(int section, Qt::Orientation orientation, int role) const
 {
 	if (role != Qt::DisplayRole || orientation != Qt::Horizontal)
 		return QVariant();
@@ -329,12 +161,34 @@ QVariant DerpVersion::headerData(int section, Qt::Orientation orientation, int r
 	}
 }
 
-int DerpVersion::rowCount(const QModelIndex &parent) const
+int OneSixVersion::rowCount(const QModelIndex &parent) const
 {
 	return libraries.size();
 }
 
-int DerpVersion::columnCount(const QModelIndex &parent) const
+int OneSixVersion::columnCount(const QModelIndex &parent) const
 {
 	return 3;
 }
+
+QDebug operator<<(QDebug &dbg, const OneSixVersion *version)
+{
+	version->dump();
+	return dbg.maybeSpace();
+}
+QDebug operator<<(QDebug &dbg, const OneSixLibrary *library)
+{
+	dbg.nospace() << "OneSixLibrary("
+				  << "\n\t\t\trawName=" << library->rawName()
+				  << "\n\t\t\tname=" << library->name()
+				  << "\n\t\t\tversion=" << library->version()
+				  << "\n\t\t\ttype=" << library->type()
+				  << "\n\t\t\tisActive=" << library->isActive()
+				  << "\n\t\t\tisNative=" << library->isNative()
+				  << "\n\t\t\tdownloadUrl=" << library->downloadUrl()
+				  << "\n\t\t\tstoragePath=" << library->storagePath()
+				  << "\n\t\t\tabsolutePath=" << library->absoluteUrl()
+				  << "\n\t\t\thint=" << library->hint();
+	dbg.nospace() << "\n\t\t)";
+	return dbg.maybeSpace();
+}
diff --git a/logic/OneSixVersion.h b/logic/OneSixVersion.h
index e8f744aa..00afd010 100644
--- a/logic/OneSixVersion.h
+++ b/logic/OneSixVersion.h
@@ -14,15 +14,23 @@
  */
 
 #pragma once
-#include <QtCore>
+
+#include <QAbstractListModel>
+
+#include <QString>
+#include <QList>
 #include <memory>
 
-class DerpLibrary;
+#include "OneSixLibrary.h"
+
+class OneSixInstance;
 
-class DerpVersion : public QAbstractListModel
+class OneSixVersion : public QAbstractListModel
 {
-	// Things required to implement the Qt list model
+	Q_OBJECT
 public:
+	explicit OneSixVersion(OneSixInstance *instance, QObject *parent = 0);
+
 	virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
 	virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
 	virtual QVariant headerData(int section, Qt::Orientation orientation,
@@ -30,24 +38,19 @@ public:
 	virtual int columnCount(const QModelIndex &parent) const;
 	virtual Qt::ItemFlags flags(const QModelIndex &index) const;
 
-	// serialization/deserialization
-public:
-	bool toOriginalFile();
-	static std::shared_ptr<DerpVersion> fromJson(QJsonObject root);
-	static std::shared_ptr<DerpVersion> fromFile(QString filepath);
+	bool reload(QWidget *widgetParent);
+	void clear();
+
+	void dump() const;
 
 public:
-	QList<std::shared_ptr<DerpLibrary>> getActiveNormalLibs();
-	QList<std::shared_ptr<DerpLibrary>> getActiveNativeLibs();
-	// called when something starts/stops messing with the object
-	// FIXME: these are ugly in every possible way.
-	void externalUpdateStart();
-	void externalUpdateFinish();
+	QList<std::shared_ptr<OneSixLibrary>> getActiveNormalLibs();
+	QList<std::shared_ptr<OneSixLibrary>> getActiveNativeLibs();
+
+	static std::shared_ptr<OneSixVersion> fromJson(const QJsonObject &obj);
 
 	// data members
 public:
-	/// file this was read from. blank, if none
-	QString original_file;
 	/// the ID - determines which jar to use! ACTUALLY IMPORTANT!
 	QString id;
 	/// Last updated time - as a string
@@ -81,7 +84,7 @@ public:
 	QString mainClass;
 
 	/// the list of libs - both active and inactive, native and java
-	QList<std::shared_ptr<DerpLibrary>> libraries;
+	QList<std::shared_ptr<OneSixLibrary>> libraries;
 
 	/*
 	FIXME: add support for those rules here? Looks like a pile of quick hacks to me though.
@@ -103,4 +106,10 @@ public:
 	}
 	*/
 	// QList<Rule> rules;
+
+private:
+	OneSixInstance *m_instance;
 };
+
+QDebug operator<<(QDebug &dbg, const OneSixVersion *version);
+QDebug operator<<(QDebug &dbg, const OneSixLibrary *library);
diff --git a/logic/DerpVersionBuilder.cpp b/logic/OneSixVersionBuilder.cpp
index 20f43404..85f55a52 100644
--- a/logic/DerpVersionBuilder.cpp
+++ b/logic/OneSixVersionBuilder.cpp
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-#include "DerpVersionBuilder.h"
+#include "OneSixVersionBuilder.h"
 
 #include <QList>
 #include <QJsonObject>
@@ -26,35 +26,35 @@
 #include <QDir>
 #include <QDebug>
 
-#include "DerpVersion.h"
-#include "DerpInstance.h"
-#include "DerpRule.h"
+#include "OneSixVersion.h"
+#include "OneSixInstance.h"
+#include "OneSixRule.h"
 #include "logger/QsLog.h"
 
-DerpVersionBuilder::DerpVersionBuilder()
+OneSixVersionBuilder::OneSixVersionBuilder()
 {
 
 }
 
-bool DerpVersionBuilder::build(DerpVersion *version, DerpInstance *instance, QWidget *widgetParent)
+bool OneSixVersionBuilder::build(OneSixVersion *version, OneSixInstance *instance, QWidget *widgetParent)
 {
-	DerpVersionBuilder builder;
+	OneSixVersionBuilder builder;
 	builder.m_version = version;
 	builder.m_instance = instance;
 	builder.m_widgetParent = widgetParent;
 	return builder.build();
 }
 
-bool DerpVersionBuilder::read(DerpVersion *version, const QJsonObject &obj)
+bool OneSixVersionBuilder::read(OneSixVersion *version, const QJsonObject &obj)
 {
-	DerpVersionBuilder builder;
+	OneSixVersionBuilder builder;
 	builder.m_version = version;
 	builder.m_instance = 0;
 	builder.m_widgetParent = 0;
 	return builder.read(obj);
 }
 
-bool DerpVersionBuilder::build()
+bool OneSixVersionBuilder::build()
 {
 	m_version->clear();
 
@@ -127,7 +127,7 @@ bool DerpVersionBuilder::build()
 	return true;
 }
 
-bool DerpVersionBuilder::read(const QJsonObject &obj)
+bool OneSixVersionBuilder::read(const QJsonObject &obj)
 {
 	m_version->clear();
 
@@ -152,14 +152,14 @@ void applyString(const QJsonObject &obj, const QString &key, QString &out, const
 		}
 	}
 }
-void applyString(const QJsonObject &obj, const QString &key, std::shared_ptr<DerpLibrary> lib, void(DerpLibrary::*func)(const QString &val))
+void applyString(const QJsonObject &obj, const QString &key, std::shared_ptr<OneSixLibrary> lib, void(OneSixLibrary::*func)(const QString &val))
 {
 	if (obj.contains(key) && obj.value(key).isString())
 	{
 		(lib.get()->*func)(obj.value(key).toString());
 	}
 }
-bool DerpVersionBuilder::apply(const QJsonObject &object)
+bool OneSixVersionBuilder::apply(const QJsonObject &object)
 {
 	applyString(object, "id", m_version->id);
 	applyString(object, "mainClass", m_version->mainClass);
@@ -265,7 +265,7 @@ bool DerpVersionBuilder::apply(const QJsonObject &object)
 	return true;
 }
 
-int findLibrary(QList<std::shared_ptr<DerpLibrary> > haystack, const QString &needle)
+int findLibrary(QList<std::shared_ptr<OneSixLibrary> > haystack, const QString &needle)
 {
 	for (int i = 0; i < haystack.size(); ++i)
 	{
@@ -277,7 +277,7 @@ int findLibrary(QList<std::shared_ptr<DerpLibrary> > haystack, const QString &ne
 	return -1;
 }
 
-bool DerpVersionBuilder::applyLibrary(const QJsonObject &lib, const DerpVersionBuilder::Type type)
+bool OneSixVersionBuilder::applyLibrary(const QJsonObject &lib, const OneSixVersionBuilder::Type type)
 {
 	// Library name
 	auto nameVal = lib.value("name");
@@ -302,11 +302,11 @@ bool DerpVersionBuilder::applyLibrary(const QJsonObject &lib, const DerpVersionB
 		return false;
 	}
 
-	std::shared_ptr<DerpLibrary> library;
+	std::shared_ptr<OneSixLibrary> library;
 
 	if (lib.value("insert").toString() != "apply" && type == Add)
 	{
-		QMutableListIterator<std::shared_ptr<DerpLibrary> > it(m_version->libraries);
+		QMutableListIterator<std::shared_ptr<OneSixLibrary> > it(m_version->libraries);
 		while (it.hasNext())
 		{
 			if (it.next()->rawName() == name)
@@ -322,13 +322,13 @@ bool DerpVersionBuilder::applyLibrary(const QJsonObject &lib, const DerpVersionB
 	}
 	else
 	{
-		library.reset(new DerpLibrary(nameVal.toString()));
+		library.reset(new OneSixLibrary(nameVal.toString()));
 	}
 
-	applyString(lib, "url", library, &DerpLibrary::setBaseUrl);
-	applyString(lib, "MMC-hint", library, &DerpLibrary::setHint);
-	applyString(lib, "MMC-absulute_url", library, &DerpLibrary::setAbsoluteUrl);
-	applyString(lib, "MMC-absoluteUrl", library, &DerpLibrary::setAbsoluteUrl);
+	applyString(lib, "url", library, &OneSixLibrary::setBaseUrl);
+	applyString(lib, "MMC-hint", library, &OneSixLibrary::setHint);
+	applyString(lib, "MMC-absulute_url", library, &OneSixLibrary::setAbsoluteUrl);
+	applyString(lib, "MMC-absoluteUrl", library, &OneSixLibrary::setAbsoluteUrl);
 
 	auto extractVal = lib.value("extract");
 	if (extractVal.isObject())
@@ -426,7 +426,7 @@ bool DerpVersionBuilder::applyLibrary(const QJsonObject &lib, const DerpVersionB
 	return true;
 }
 
-bool DerpVersionBuilder::read(const QFileInfo &fileInfo, QJsonObject *out)
+bool OneSixVersionBuilder::read(const QFileInfo &fileInfo, QJsonObject *out)
 {
 	QFile file(fileInfo.absoluteFilePath());
 	if (!file.open(QFile::ReadOnly))
diff --git a/logic/DerpVersionBuilder.h b/logic/OneSixVersionBuilder.h
index b94cd8e9..a3ba331c 100644
--- a/logic/DerpVersionBuilder.h
+++ b/logic/OneSixVersionBuilder.h
@@ -17,22 +17,22 @@
 
 #include <QString>
 
-class DerpVersion;
-class DerpInstance;
+class OneSixVersion;
+class OneSixInstance;
 class QWidget;
 class QJsonObject;
 class QFileInfo;
 
-class DerpVersionBuilder
+class OneSixVersionBuilder
 {
-	DerpVersionBuilder();
+	OneSixVersionBuilder();
 public:
-	static bool build(DerpVersion *version, DerpInstance *instance, QWidget *widgetParent);
-	static bool read(DerpVersion *version, const QJsonObject &obj);
+	static bool build(OneSixVersion *version, OneSixInstance *instance, QWidget *widgetParent);
+	static bool read(OneSixVersion *version, const QJsonObject &obj);
 
 private:
-	DerpVersion *m_version;
-	DerpInstance *m_instance;
+	OneSixVersion *m_version;
+	OneSixInstance *m_instance;
 	QWidget *m_widgetParent;
 
 	enum Type
diff --git a/logic/lists/MinecraftVersionList.cpp b/logic/lists/MinecraftVersionList.cpp
index 29894b5a..91f86df0 100644
--- a/logic/lists/MinecraftVersionList.cpp
+++ b/logic/lists/MinecraftVersionList.cpp
@@ -234,18 +234,18 @@ void MCVListLoadTask::list_downloaded()
 		}
 		// Parse the type.
 		MinecraftVersion::VersionType versionType;
-		// Derp or Legacy. use filter to determine type
+		// OneSix or Legacy. use filter to determine type
 		if (versionTypeStr == "release")
 		{
 			versionType = legacyWhitelist.contains(versionID) ? MinecraftVersion::Legacy
-															  : MinecraftVersion::Derp;
+															  : MinecraftVersion::OneSix;
 			is_latest = (versionID == latestReleaseID);
 			is_snapshot = false;
 		}
 		else if (versionTypeStr == "snapshot") // It's a snapshot... yay
 		{
 			versionType = legacyWhitelist.contains(versionID) ? MinecraftVersion::Legacy
-															  : MinecraftVersion::Derp;
+															  : MinecraftVersion::OneSix;
 			is_latest = (versionID == latestSnapshotID);
 			is_snapshot = true;
 		}