NOISSUE reorganize and document libraries

18 files changed, 2294 insertions, 0 deletions

diff --git a/libraries/launcher/.gitignore b/libraries/launcher/.gitignore
new file mode 100644
index 00000000..cc1c52bf
--- /dev/null
+++ b/libraries/launcher/.gitignore
@@ -0,0 +1,6 @@
+.idea
+*.iml
+out
+.classpath
+.idea
+.project
diff --git a/libraries/launcher/CMakeLists.txt b/libraries/launcher/CMakeLists.txt
new file mode 100644
index 00000000..b62805e0
--- /dev/null
+++ b/libraries/launcher/CMakeLists.txt
@@ -0,0 +1,34 @@
+cmake_minimum_required(VERSION 3.1)
+project(launcher Java)
+find_package(Java 1.6 REQUIRED COMPONENTS Development)
+
+include(UseJava)
+set(CMAKE_JAVA_JAR_ENTRY_POINT org.multimc.EntryPoint)
+set(CMAKE_JAVA_COMPILE_FLAGS -target 1.6 -source 1.6 -Xlint:deprecation -Xlint:unchecked)
+
+set(SRC
+	# OSX things
+	org/simplericity/macify/eawt/Application.java
+	org/simplericity/macify/eawt/ApplicationAdapter.java
+	org/simplericity/macify/eawt/ApplicationEvent.java
+	org/simplericity/macify/eawt/ApplicationListener.java
+	org/simplericity/macify/eawt/DefaultApplication.java
+
+	# legacy applet wrapper thing.
+	# The launcher has to be there for silly FML/Forge relauncher.
+	net/minecraft/Launcher.java
+	org/multimc/legacy/LegacyLauncher.java
+	org/multimc/LegacyFrame.java
+
+	# onesix launcher
+	org/multimc/onesix/OneSixLauncher.java
+
+	# generic launcher
+	org/multimc/EntryPoint.java
+	org/multimc/Launcher.java
+	org/multimc/ParseException.java
+	org/multimc/Utils.java
+	org/multimc/IconLoader.java
+)
+add_jar(NewLaunch ${SRC})
+
diff --git a/libraries/launcher/net/minecraft/Launcher.java b/libraries/launcher/net/minecraft/Launcher.java
new file mode 100644
index 00000000..a53501ec
--- /dev/null
+++ b/libraries/launcher/net/minecraft/Launcher.java
@@ -0,0 +1,165 @@
+/*
+ * Copyright 2012-2014 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.
+ */
+
+package net.minecraft;
+
+import java.util.TreeMap;
+import java.util.Map;
+import java.net.URL;
+import java.awt.Dimension;
+import java.awt.BorderLayout;
+import java.awt.Graphics;
+import java.applet.Applet;
+import java.applet.AppletStub;
+import java.net.MalformedURLException;
+
+public class Launcher extends Applet implements AppletStub
+{
+	private Applet wrappedApplet;
+	private URL documentBase;
+	private boolean active = false;
+	private final Map<String, String> params;
+
+	public Launcher(Applet applet, URL documentBase)
+	{
+		params = new TreeMap<String, String>();
+
+		this.setLayout(new BorderLayout());
+	    this.add(applet, "Center");
+		this.wrappedApplet = applet;
+		this.documentBase = documentBase;
+	}
+
+	public void setParameter(String name, String value)
+	{
+		params.put(name, value);
+	}
+
+	public void replace(Applet applet)
+	{
+		this.wrappedApplet = applet;
+
+		applet.setStub(this);
+		applet.setSize(getWidth(), getHeight());
+
+		this.setLayout(new BorderLayout());
+		this.add(applet, "Center");
+
+	    applet.init();
+	    active = true;
+	    applet.start();
+	    validate();
+	}
+
+	@Override
+	public String getParameter(String name)
+	{
+		String param = params.get(name);
+		if (param != null)
+			return param;
+		try
+		{
+			return super.getParameter(name);
+		} catch (Exception ignore){}
+		return null;
+	}
+
+	@Override
+	public boolean isActive()
+	{
+		return active;
+	}
+
+	@Override
+	public void appletResize(int width, int height)
+	{
+		wrappedApplet.resize(width, height);
+	}
+
+	@Override
+	public void resize(int width, int height)
+	{
+		wrappedApplet.resize(width, height);
+	}
+
+	@Override
+	public void resize(Dimension d)
+	{
+		wrappedApplet.resize(d);
+	}
+
+	@Override
+	public void init()
+	{
+		if (wrappedApplet != null)
+		{
+			wrappedApplet.init();
+		}
+	}
+
+	@Override
+	public void start()
+	{
+		wrappedApplet.start();
+		active = true;
+	}
+
+	@Override
+	public void stop()
+	{
+		wrappedApplet.stop();
+		active = false;
+	}
+
+	public void destroy()
+	{
+		wrappedApplet.destroy();
+	}
+
+	@Override
+	public URL getCodeBase() {
+		try {
+			return new URL("http://www.minecraft.net/game/");
+		} catch (MalformedURLException e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+
+	@Override
+	public URL getDocumentBase()
+	{
+		try {
+			return new URL("http://www.minecraft.net/game/");
+		} catch (MalformedURLException e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+
+	@Override
+	public void setVisible(boolean b)
+	{
+		super.setVisible(b);
+		wrappedApplet.setVisible(b);
+	}
+	public void update(Graphics paramGraphics)
+	{
+	}
+	public void paint(Graphics paramGraphics)
+	{
+	}
+}
\ No newline at end of file
diff --git a/libraries/launcher/org/multimc/EntryPoint.java b/libraries/launcher/org/multimc/EntryPoint.java
new file mode 100644
index 00000000..d1fc54a8
--- /dev/null
+++ b/libraries/launcher/org/multimc/EntryPoint.java
@@ -0,0 +1,178 @@
+package org.multimc;/*
+ * Copyright 2012-2014 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.
+ */
+
+import org.multimc.legacy.LegacyLauncher;
+import org.multimc.onesix.OneSixLauncher;
+import org.simplericity.macify.eawt.Application;
+import org.simplericity.macify.eawt.DefaultApplication;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.*;
+import java.nio.charset.Charset;
+
+public class EntryPoint
+{
+	private enum Action
+	{
+		Proceed,
+		Launch,
+		Abort
+	}
+
+	public static void main(String[] args)
+	{
+		// Set the OSX application icon first, if we are on OSX.
+		Application application = new DefaultApplication();
+		if(application.isMac())
+		{
+			try
+			{
+				BufferedImage image = ImageIO.read(new File("icon.png"));
+				application.setApplicationIconImage(image);
+			}
+			catch (IOException e)
+			{
+				e.printStackTrace();
+			}
+		}
+
+		EntryPoint listener = new EntryPoint();
+		int retCode = listener.listen();
+		if (retCode != 0)
+		{
+			System.out.println("Exiting with " + retCode);
+			System.exit(retCode);
+		}
+	}
+
+	private Action parseLine(String inData) throws ParseException
+	{
+		String[] pair = inData.split(" ", 2);
+
+		if(pair.length == 1)
+		{
+			String command = pair[0];
+			if (pair[0].equals("launch"))
+				return Action.Launch;
+
+			else if (pair[0].equals("abort"))
+				return Action.Abort;
+
+			else throw new ParseException();
+		}
+
+		if(pair.length != 2)
+			throw new ParseException();
+
+		String command = pair[0];
+		String param = pair[1];
+
+		if(command.equals("launcher"))
+		{
+			if(param.equals("legacy"))
+			{
+				m_launcher = new LegacyLauncher();
+				Utils.log("Using legacy launcher.");
+				Utils.log();
+				return Action.Proceed;
+			}
+			if(param.equals("onesix"))
+			{
+				m_launcher = new OneSixLauncher();
+				Utils.log("Using onesix launcher.");
+				Utils.log();
+				return Action.Proceed;
+			}
+			else
+				throw new ParseException();
+		}
+
+		m_params.add(command, param);
+		//System.out.println(command + " : " + param);
+		return Action.Proceed;
+	}
+
+	public int listen()
+	{
+		BufferedReader buffer;
+		try
+		{
+			buffer = new BufferedReader(new InputStreamReader(System.in, "UTF-8"));
+		} catch (UnsupportedEncodingException e)
+		{
+			System.err.println("For some reason, your java does not support UTF-8. Consider living in the current century.");
+			e.printStackTrace();
+			return 1;
+		}
+		boolean isListening = true;
+		boolean isAborted = false;
+		// Main loop
+		while (isListening)
+		{
+			String inData;
+			try
+			{
+				// Read from the pipe one line at a time
+				inData = buffer.readLine();
+				if (inData != null)
+				{
+					Action a = parseLine(inData);
+					if(a == Action.Abort)
+					{
+						isListening = false;
+						isAborted = true;
+					}
+					if(a == Action.Launch)
+					{
+						isListening = false;
+					}
+				}
+				else
+				{
+					isListening = false;
+					isAborted = true;
+				}
+			}
+			catch (IOException e)
+			{
+				System.err.println("Launcher ABORT due to IO exception:");
+				e.printStackTrace();
+				return 1;
+			}
+			catch (ParseException e)
+			{
+				System.err.println("Launcher ABORT due to PARSE exception:");
+				e.printStackTrace();
+				return 1;
+			}
+		}
+		if(isAborted)
+		{
+			System.err.println("Launch aborted by MultiMC.");
+			return 1;
+		}
+		if(m_launcher != null)
+		{
+			return m_launcher.launch(m_params);
+		}
+		System.err.println("No valid launcher implementation specified.");
+		return 1;
+	}
+
+	private ParamBucket m_params = new ParamBucket();
+	private org.multimc.Launcher m_launcher;
+}
diff --git a/libraries/launcher/org/multimc/IconLoader.java b/libraries/launcher/org/multimc/IconLoader.java
new file mode 100644
index 00000000..f1638f3a
--- /dev/null
+++ b/libraries/launcher/org/multimc/IconLoader.java
@@ -0,0 +1,132 @@
+package org.multimc;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+/*****************************************************************************
+ * A convenience class for loading icons from images.
+ *
+ * Icons loaded from this class are formatted to fit within the required
+ * dimension (16x16, 32x32, or 128x128). If the source image is larger than the
+ * target dimension, it is shrunk down to the minimum size that will fit. If it
+ * is smaller, then it is only scaled up if the new scale can be a per-pixel
+ * linear scale (i.e., x2, x3, x4, etc). In both cases, the image's width/height
+ * ratio is kept the same as the source image.
+ *
+ * @author Chris Molini
+ *****************************************************************************/
+public class IconLoader
+{
+	/*************************************************************************
+	 * Loads an icon in ByteBuffer form.
+	 *
+	 * @param filepath
+	 *            The location of the Image to use as an icon.
+	 *
+	 * @return An array of ByteBuffers containing the pixel data for the icon in
+	 *         various sizes (as recommended by the OS).
+	 *************************************************************************/
+	public static ByteBuffer[] load(String filepath)
+	{
+		BufferedImage image;
+		try {
+			image = ImageIO.read ( new File( filepath ) );
+		} catch ( IOException e ) {
+			e.printStackTrace();
+			return new ByteBuffer[0];
+		}
+		ByteBuffer[] buffers;
+		buffers = new ByteBuffer[1];
+		buffers[0] = loadInstance(image, 128);
+		return buffers;
+	}
+
+	/*************************************************************************
+	 * Copies the supplied image into a square icon at the indicated size.
+	 *
+	 * @param image
+	 *            The image to place onto the icon.
+	 * @param dimension
+	 *            The desired size of the icon.
+	 *
+	 * @return A ByteBuffer of pixel data at the indicated size.
+	 *************************************************************************/
+	private static ByteBuffer loadInstance(BufferedImage image, int dimension)
+	{
+		BufferedImage scaledIcon = new BufferedImage(dimension, dimension,
+				BufferedImage.TYPE_INT_ARGB_PRE);
+		Graphics2D g = scaledIcon.createGraphics();
+		double ratio = getIconRatio(image, scaledIcon);
+		double width = image.getWidth() * ratio;
+		double height = image.getHeight() * ratio;
+		g.drawImage(image, (int) ((scaledIcon.getWidth() - width) / 2),
+				(int) ((scaledIcon.getHeight() - height) / 2), (int) (width),
+				(int) (height), null);
+		g.dispose();
+
+		return convertToByteBuffer(scaledIcon);
+	}
+
+	/*************************************************************************
+	 * Gets the width/height ratio of the icon. This is meant to simplify
+	 * scaling the icon to a new dimension.
+	 *
+	 * @param src
+	 *            The base image that will be placed onto the icon.
+	 * @param icon
+	 *            The icon that will have the image placed on it.
+	 *
+	 * @return The amount to scale the source image to fit it onto the icon
+	 *         appropriately.
+	 *************************************************************************/
+	private static double getIconRatio(BufferedImage src, BufferedImage icon)
+	{
+		double ratio = 1;
+		if (src.getWidth() > icon.getWidth())
+			ratio = (double) (icon.getWidth()) / src.getWidth();
+		else
+			ratio = (int) (icon.getWidth() / src.getWidth());
+		if (src.getHeight() > icon.getHeight())
+		{
+			double r2 = (double) (icon.getHeight()) / src.getHeight();
+			if (r2 < ratio)
+				ratio = r2;
+		}
+		else
+		{
+			double r2 = (int) (icon.getHeight() / src.getHeight());
+			if (r2 < ratio)
+				ratio = r2;
+		}
+		return ratio;
+	}
+
+	/*************************************************************************
+	 * Converts a BufferedImage into a ByteBuffer of pixel data.
+	 *
+	 * @param image
+	 *            The image to convert.
+	 *
+	 * @return A ByteBuffer that contains the pixel data of the supplied image.
+	 *************************************************************************/
+	public static ByteBuffer convertToByteBuffer(BufferedImage image)
+	{
+		byte[] buffer = new byte[image.getWidth() * image.getHeight() * 4];
+		int counter = 0;
+		for (int i = 0; i < image.getHeight(); i++)
+			for (int j = 0; j < image.getWidth(); j++)
+			{
+				int colorSpace = image.getRGB(j, i);
+				buffer[counter + 0] = (byte) ((colorSpace << 8) >> 24);
+				buffer[counter + 1] = (byte) ((colorSpace << 16) >> 24);
+				buffer[counter + 2] = (byte) ((colorSpace << 24) >> 24);
+				buffer[counter + 3] = (byte) (colorSpace >> 24);
+				counter += 4;
+			}
+		return ByteBuffer.wrap(buffer);
+	}
+}
\ No newline at end of file
diff --git a/libraries/launcher/org/multimc/Launcher.java b/libraries/launcher/org/multimc/Launcher.java
new file mode 100644
index 00000000..1aa2b21f
--- /dev/null
+++ b/libraries/launcher/org/multimc/Launcher.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2012-2014 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.
+ */
+
+package org.multimc;
+
+public interface Launcher
+{
+	abstract int launch(ParamBucket params);
+}
diff --git a/libraries/launcher/org/multimc/LegacyFrame.java b/libraries/launcher/org/multimc/LegacyFrame.java
new file mode 100644
index 00000000..a081f3ae
--- /dev/null
+++ b/libraries/launcher/org/multimc/LegacyFrame.java
@@ -0,0 +1,112 @@
+package org.multimc;/*
+ * Copyright 2012-2014 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.
+ */
+
+import net.minecraft.Launcher;
+
+import javax.imageio.ImageIO;
+import java.applet.Applet;
+import java.awt.*;
+import java.awt.event.WindowEvent;
+import java.awt.event.WindowListener;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+public class LegacyFrame extends Frame implements WindowListener
+{
+    private Launcher appletWrap = null;
+    public LegacyFrame(String title)
+    {
+        super ( title );
+        BufferedImage image;
+        try {
+            image = ImageIO.read ( new File ( "icon.png" ) );
+            setIconImage ( image );
+        } catch ( IOException e ) {
+            e.printStackTrace();
+        }
+        this.addWindowListener ( this );
+    }
+
+    public void start ( Applet mcApplet, String user, String session, Dimension winSize, boolean maximize )
+    {
+        try {
+            appletWrap = new Launcher( mcApplet, new URL ( "http://www.minecraft.net/game" ) );
+        } catch ( MalformedURLException ignored ) {}
+        appletWrap.setParameter ( "username", user );
+        appletWrap.setParameter ( "sessionid", session );
+        appletWrap.setParameter ( "stand-alone", "true" ); // Show the quit button.
+		appletWrap.setParameter ( "demo", "false" );
+		appletWrap.setParameter("fullscreen", "false");
+        mcApplet.setStub(appletWrap);
+        this.add ( appletWrap );
+        appletWrap.setPreferredSize ( winSize );
+        this.pack();
+        this.setLocationRelativeTo ( null );
+        this.setResizable ( true );
+        if ( maximize ) {
+            this.setExtendedState ( MAXIMIZED_BOTH );
+        }
+        validate();
+        appletWrap.init();
+        appletWrap.start();
+        setVisible ( true );
+    }
+
+    @Override
+    public void windowActivated ( WindowEvent e ) {}
+
+    @Override
+    public void windowClosed ( WindowEvent e ) {}
+
+    @Override
+    public void windowClosing ( WindowEvent e )
+    {
+        new Thread() {
+            public void run() {
+                try {
+                    Thread.sleep ( 30000L );
+                } catch ( InterruptedException localInterruptedException ) {
+                    localInterruptedException.printStackTrace();
+                }
+                System.out.println ( "FORCING EXIT!" );
+                System.exit ( 0 );
+            }
+        }
+        .start();
+
+        if ( appletWrap != null ) {
+            appletWrap.stop();
+            appletWrap.destroy();
+        }
+        // old minecraft versions can hang without this >_<
+        System.exit ( 0 );
+    }
+
+    @Override
+    public void windowDeactivated ( WindowEvent e ) {}
+
+    @Override
+    public void windowDeiconified ( WindowEvent e ) {}
+
+    @Override
+    public void windowIconified ( WindowEvent e ) {}
+
+    @Override
+    public void windowOpened ( WindowEvent e ) {}
+}
diff --git a/libraries/launcher/org/multimc/NotFoundException.java b/libraries/launcher/org/multimc/NotFoundException.java
new file mode 100644
index 00000000..fe154a2f
--- /dev/null
+++ b/libraries/launcher/org/multimc/NotFoundException.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2012-2014 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.
+ */
+
+package org.multimc;
+
+public class NotFoundException extends Exception
+{
+}
diff --git a/libraries/launcher/org/multimc/ParamBucket.java b/libraries/launcher/org/multimc/ParamBucket.java
new file mode 100644
index 00000000..2e197d9f
--- /dev/null
+++ b/libraries/launcher/org/multimc/ParamBucket.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2012-2014 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.
+ */
+
+package org.multimc;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+public class ParamBucket
+{
+	public void add(String key, String value)
+	{
+		List<String> coll = null;
+		if(!m_params.containsKey(key))
+		{
+			coll = new ArrayList<String>();
+			m_params.put(key, coll);
+		}
+		else
+		{
+			coll = m_params.get(key);
+		}
+		coll.add(value);
+	}
+
+	public List<String> all(String key) throws NotFoundException
+	{
+		if(!m_params.containsKey(key))
+			throw new NotFoundException();
+		return m_params.get(key);
+	}
+
+	public List<String> allSafe(String key, List<String> def)
+	{
+		if(!m_params.containsKey(key) || m_params.get(key).size() < 1)
+		{
+			return def;
+		}
+		return m_params.get(key);
+	}
+
+	public List<String> allSafe(String key)
+	{
+		return allSafe(key, new ArrayList<String>());
+	}
+
+	public String first(String key) throws NotFoundException
+	{
+		List<String> list = all(key);
+		if(list.size() < 1)
+		{
+			throw new NotFoundException();
+		}
+		return list.get(0);
+	}
+
+	public String firstSafe(String key, String def)
+	{
+		if(!m_params.containsKey(key) || m_params.get(key).size() < 1)
+		{
+			return def;
+		}
+		return m_params.get(key).get(0);
+	}
+
+	public String firstSafe(String key)
+	{
+		return firstSafe(key, "");
+	}
+
+	private HashMap<String, List<String>> m_params = new HashMap<String, List<String>>();
+}
diff --git a/libraries/launcher/org/multimc/ParseException.java b/libraries/launcher/org/multimc/ParseException.java
new file mode 100644
index 00000000..d9e8e53e
--- /dev/null
+++ b/libraries/launcher/org/multimc/ParseException.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2012-2014 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.
+ */
+
+package org.multimc;
+
+public class ParseException extends java.lang.Exception
+{
+
+}
diff --git a/libraries/launcher/org/multimc/Utils.java b/libraries/launcher/org/multimc/Utils.java
new file mode 100644
index 00000000..32cf7919
--- /dev/null
+++ b/libraries/launcher/org/multimc/Utils.java
@@ -0,0 +1,280 @@
+/*
+ * Copyright 2012-2014 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.
+ */
+
+package org.multimc;
+
+import java.io.*;
+import java.io.File;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.*;
+import java.util.Arrays;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+public class Utils
+{
+	/**
+	 * Combine two parts of a path.
+	 *
+	 * @param path1
+	 * @param path2
+	 * @return the paths, combined
+	 */
+	public static String combine(String path1, String path2)
+	{
+		File file1 = new File(path1);
+		File file2 = new File(file1, path2);
+		return file2.getPath();
+	}
+
+	/**
+	 * Join a list of strings into a string using a separator!
+	 *
+	 * @param strings   the string list to join
+	 * @param separator the glue
+	 * @return the result.
+	 */
+	public static String join(List<String> strings, String separator)
+	{
+		StringBuilder sb = new StringBuilder();
+		String sep = "";
+		for (String s : strings)
+		{
+			sb.append(sep).append(s);
+			sep = separator;
+		}
+		return sb.toString();
+	}
+
+	/**
+	 * Adds the specified library to the classpath
+	 *
+	 * @param s the path to add
+	 * @throws Exception
+	 */
+	public static void addToClassPath(String s) throws Exception
+	{
+		File f = new File(s);
+		URL u = f.toURI().toURL();
+		URLClassLoader urlClassLoader = (URLClassLoader) ClassLoader.getSystemClassLoader();
+		Class urlClass = URLClassLoader.class;
+		Method method = urlClass.getDeclaredMethod("addURL", new Class[]{URL.class});
+		method.setAccessible(true);
+		method.invoke(urlClassLoader, new Object[]{u});
+	}
+
+	/**
+	 * Adds many libraries to the classpath
+	 *
+	 * @param jars the paths to add
+	 */
+	public static boolean addToClassPath(List<String> jars)
+	{
+		boolean pure = true;
+		// initialize the class path
+		for (String jar : jars)
+		{
+			try
+			{
+				Utils.addToClassPath(jar);
+			} catch (Exception e)
+			{
+				System.err.println("Unable to load: " + jar);
+				e.printStackTrace(System.err);
+				pure = false;
+			}
+		}
+		return pure;
+	}
+
+	/**
+	 * Adds the specified path to the java library path
+	 *
+	 * @param pathToAdd the path to add
+	 * @throws Exception
+	 */
+	@Deprecated
+	public static void addLibraryPath(String pathToAdd) throws Exception
+	{
+		final Field usrPathsField = ClassLoader.class.getDeclaredField("usr_paths");
+		usrPathsField.setAccessible(true);
+
+		//get array of paths
+		final String[] paths = (String[]) usrPathsField.get(null);
+
+		//check if the path to add is already present
+		for (String path : paths)
+		{
+			if (path.equals(pathToAdd))
+			{
+				return;
+			}
+		}
+
+		//add the new path
+		final String[] newPaths = Arrays.copyOf(paths, paths.length + 1);
+		newPaths[newPaths.length - 1] = pathToAdd;
+		usrPathsField.set(null, newPaths);
+	}
+
+	/**
+	 * Finds a field that looks like a Minecraft base folder in a supplied class
+	 *
+	 * @param mc the class to scan