NOISSUE reorganize and document libraries

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;
+}

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);
+	}
+}

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);
+}

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 ) {}
+}

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
+{
+}

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>>();
+}

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
+{
+
+}

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
+	 */
+	public static Field getMCPathField(Class<?> mc)
+	{
+		Field[] fields = mc.getDeclaredFields();
+
+		for (Field f : fields)
+		{
+			if (f.getType() != File.class)
+			{
+				// Has to be File
+				continue;
+			}
+			if (f.getModifiers() != (Modifier.PRIVATE + Modifier.STATIC))
+			{
+				// And Private Static.
+				continue;
+			}
+			return f;
+		}
+		return null;
+	}
+
+	/**
+	 * Log to the MultiMC console
+	 *
+	 * @param message A String containing the message
+	 * @param level   A String containing the level name. See MinecraftLauncher::getLevel()
+	 */
+	public static void log(String message, String level)
+	{
+		// Kinda dirty
+		String tag = "!![" + level + "]!";
+		System.out.println(tag + message.replace("\n", "\n" + tag));
+	}
+
+	public static void log(String message)
+	{
+		log(message, "MultiMC");
+	}
+
+	public static void log()
+	{
+		System.out.println();
+	}
+
+	/**
+	 * Pushes bytes from in to out. Closes both streams no matter what.
+	 * @param in the input stream
+	 * @param out the output stream
+	 * @throws IOException
+	 */
+	private static void copyStream(InputStream in, OutputStream out) throws IOException
+	{
+		try
+		{
+		byte[] buffer = new byte[4096];
+		int len;
+
+		while((len = in.read(buffer)) >= 0)
+			out.write(buffer, 0, len);
+		} finally
+		{
+			in.close();
+			out.close();
+		}
+	}
+
+	/**
+	 * Replace a 'target' string 'suffix' with 'replacement'
+	 */
+	public static String replaceSuffix (String target, String suffix, String replacement)
+	{
+		if (!target.endsWith(suffix))
+		{
+			return target;
+		}
+		String prefix = target.substring(0, target.length() - suffix.length());
+		return prefix + replacement;
+	}
+
+	/**
+	 * Unzip zip file with natives 'source' into the folder 'targetFolder'
+	 *
+	 * Contains a hack for OSX. Yay.
+	 * @param source
+	 * @param targetFolder
+	 * @throws IOException
+	 */
+	public static void unzipNatives(File source, File targetFolder) throws IOException
+	{
+		ZipFile zip = new ZipFile(source);
+
+		boolean applyHacks = false;
+		String[] javaVersionElements = System.getProperty("java.version").split("[.\\-+]");
+		int major = Integer.parseInt(javaVersionElements[0]);
+		if(major == 1)
+		{
+			major = Integer.parseInt(javaVersionElements[1]);
+		}
+		if (major >= 8)
+		{
+			applyHacks = true;
+		}
+
+		try
+		{
+			Enumeration entries = zip.entries();
+
+			while (entries.hasMoreElements())
+			{
+				ZipEntry entry = (ZipEntry) entries.nextElement();
+
+				String entryName = entry.getName();
+				String fileName = entryName;
+				if(applyHacks)
+				{
+					fileName = replaceSuffix(entryName, ".jnilib", ".dylib");
+				}
+				File targetFile = new File(targetFolder, fileName);
+				if (targetFile.getParentFile() != null)
+				{
+					targetFile.getParentFile().mkdirs();
+				}
+
+				if (entry.isDirectory())
+					continue;
+
+				copyStream(zip.getInputStream(entry), new BufferedOutputStream(new FileOutputStream(targetFile)));
+			}
+		} finally
+		{
+			zip.close();
+		}
+	}
+}
+

libraries/launcher/org/multimc/legacy/LegacyLauncher.java

@@ -0,0 +1,175 @@
+package org.multimc.legacy;/*
+ * 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.*;
+
+import java.applet.Applet;
+import java.awt.*;
+import java.io.File;
+import java.lang.reflect.Field;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+
+public class LegacyLauncher implements Launcher
+{
+	@Override
+	public int launch(ParamBucket params)
+	{
+		String userName, sessionId, windowTitle, windowParams, lwjgl;
+		String mainClass = "net.minecraft.client.Minecraft";
+		try
+		{
+			userName = params.first("userName");
+			sessionId = params.first("sessionId");
+			windowTitle = params.first("windowTitle");
+			windowParams = params.first("windowParams");
+			lwjgl = params.first("lwjgl");
+		} catch (NotFoundException e)
+		{
+			System.err.println("Not enough arguments.");
+			return -1;
+		}
+
+		String cwd = System.getProperty("user.dir");
+		Dimension winSize = new Dimension(854, 480);
+		boolean maximize = false;
+
+		String[] dimStrings = windowParams.split("x");
+
+		if (windowParams.equalsIgnoreCase("max"))
+		{
+			maximize = true;
+		}
+		else if (dimStrings.length == 2)
+		{
+			try
+			{
+				winSize = new Dimension(Integer.parseInt(dimStrings[0]), Integer.parseInt(dimStrings[1]));
+			} catch (NumberFormatException ignored) {}
+		}
+
+		File binDir = new File(cwd, "bin");
+		File lwjglDir;
+		if (lwjgl.equalsIgnoreCase("Mojang"))
+		{
+			lwjglDir = binDir;
+		}
+		else
+		{
+			lwjglDir = new File(lwjgl);
+		}
+
+		URL[] classpath;
+		{
+			try
+			{
+				classpath = new URL[]
+				{
+					new File(binDir, "minecraft.jar").toURI().toURL(),
+					new File(lwjglDir, "lwjgl.jar").toURI().toURL(),
+					new File(lwjglDir, "lwjgl_util.jar").toURI().toURL(),
+					new File(lwjglDir, "jinput.jar").toURI().toURL(),
+				};
+			} catch (MalformedURLException e)
+			{
+				System.err.println("Class path entry is badly formed:");
+				e.printStackTrace(System.err);
+				return -1;
+			}
+		}
+
+		String nativesDir = new File(lwjglDir, "natives").toString();
+
+		System.setProperty("org.lwjgl.librarypath", nativesDir);
+		System.setProperty("net.java.games.input.librarypath", nativesDir);
+
+		// print the pretty things
+		{
+			Utils.log("Main Class:");
+			Utils.log("  " + mainClass);
+			Utils.log();
+
+			Utils.log("Class Path:");
+			for (URL s : classpath)
+			{
+				Utils.log("  " + s);
+			}
+			Utils.log();
+
+			Utils.log("Native Path:");
+			Utils.log("  " + nativesDir);
+			Utils.log();
+		}
+
+		URLClassLoader cl = new URLClassLoader(classpath, LegacyLauncher.class.getClassLoader());
+
+		// Get the Minecraft Class and set the base folder
+		Class<?> mc;
+		try
+		{
+			mc = cl.loadClass(mainClass);
+
+			Field f = Utils.getMCPathField(mc);
+
+			if (f == null)
+			{
+				System.err.println("Could not find Minecraft path field. Launch failed.");
+				return -1;
+			}
+
+			f.setAccessible(true);
+			f.set(null, new File(cwd));
+		} catch (Exception e)
+		{
+			System.err.println("Could not set base folder. Failed to find/access Minecraft main class:");
+			e.printStackTrace(System.err);
+			return -1;
+		}
+
+		System.setProperty("minecraft.applet.TargetDirectory", cwd);
+
+		String[] mcArgs = new String[2];
+		mcArgs[0] = userName;
+		mcArgs[1] = sessionId;
+
+		Utils.log("Launching with applet wrapper...");
+		try
+		{
+			Class<?> MCAppletClass = cl.loadClass("net.minecraft.client.MinecraftApplet");
+			Applet mcappl = (Applet) MCAppletClass.newInstance();
+			LegacyFrame mcWindow = new LegacyFrame(windowTitle);
+			mcWindow.start(mcappl, userName, sessionId, winSize, maximize);
+		} catch (Exception e)
+		{
+			Utils.log("Applet wrapper failed:", "Error");
+			e.printStackTrace(System.err);
+			Utils.log();
+			Utils.log("Falling back to compatibility mode.");
+			try
+			{
+				mc.getMethod("main", String[].class).invoke(null, (Object) mcArgs);
+			} catch (Exception e1)
+			{
+				Utils.log("Failed to invoke the Minecraft main class:", "Fatal");
+				e1.printStackTrace(System.err);
+				return -1;
+			}
+		}
+
+		return 0;
+	}
+}

libraries/launcher/org/multimc/onesix/OneSixLauncher.java

@@ -0,0 +1,367 @@
+/* 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.onesix;
+
+import org.multimc.*;
+
+import java.applet.Applet;
+import java.io.File;
+import java.awt.*;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+
+public class OneSixLauncher implements Launcher
+{
+	// parameters, separated from ParamBucket
+	private List<String> libraries;
+	private List<String> extlibs;
+	private List<String> extlibs32;
+	private List<String> extlibs64;
+	private List<String> mcparams;
+	private List<String> mods;
+	private List<String> jarmods;
+	private List<String> coremods;
+	private List<String> traits;
+	private String appletClass;
+	private String mainClass;
+	private String nativePath;
+	private String userName, sessionId;
+	private String windowTitle;
+	private String windowParams;
+
+	// secondary parameters
+	private Dimension winSize;
+	private boolean maximize;
+	private String cwd;
+
+	// the much abused system classloader, for convenience (for further abuse)
+	private ClassLoader cl;
+
+	private void processParams(ParamBucket params) throws NotFoundException
+	{
+		libraries = params.all("cp");
+		extlibs = params.allSafe("ext", new ArrayList<String>());
+		extlibs32 = params.allSafe("ext32", new ArrayList<String>());
+		extlibs64 = params.allSafe("ext64", new ArrayList<String>());
+
+		// Unify the extracted native libs according to actual system architecture
+		String property = System.getProperty("os.arch");
+		boolean is_64 = property.equalsIgnoreCase("x86_64") || property.equalsIgnoreCase("amd64");
+		if(is_64)
+		{
+			extlibs.addAll(extlibs64);
+		}
+		else
+		{
+			extlibs.addAll(extlibs32);
+		}
+
+		mcparams = params.allSafe("param", new ArrayList<String>() );
+		mainClass = params.firstSafe("mainClass", "net.minecraft.client.Minecraft");
+		appletClass = params.firstSafe("appletClass", "net.minecraft.client.MinecraftApplet");
+		mods = params.allSafe("mod", new ArrayList<String>());
+		jarmods = params.allSafe("jarmod", new ArrayList<String>());
+		coremods = params.allSafe("coremod", new ArrayList<String>());
+		traits = params.allSafe("traits", new ArrayList<String>());
+		nativePath = params.first("natives");
+
+		userName = params.first("userName");
+		sessionId = params.first("sessionId");
+		windowTitle = params.firstSafe("windowTitle", "Minecraft");
+		windowParams = params.firstSafe("windowParams", "854x480");
+
+		cwd = System.getProperty("user.dir");
+		winSize = new Dimension(854, 480);
+		maximize = false;
+
+		String[] dimStrings = windowParams.split("x");
+
+		if (windowParams.equalsIgnoreCase("max"))
+		{
+			maximize = true;
+		}
+		else if (dimStrings.length == 2)
+		{
+			try
+			{
+				winSize = new Dimension(Integer.parseInt(dimStrings[0]), Integer.parseInt(dimStrings[1]));
+			} catch (NumberFormatException ignored) {}
+		}
+	}
+
+	private void printStats()
+	{
+		Utils.log("Main Class:");
+		Utils.log("  " + mainClass);
+		Utils.log();
+
+		Utils.log("Native path:");
+		Utils.log("  " + nativePath);
+		Utils.log();
+
+		Utils.log("Traits:");
+		Utils.log("  " + traits);
+		Utils.log();
+
+		Utils.log("Libraries:");
+		for (String s : libraries)
+		{
+			File f = new File(s);
+			if (f.exists())
+			{
+				Utils.log("  " + s);
+			}
+			else
+			{
+				Utils.log("  " + s + " (missing)", "Warning");
+			}
+		}
+		Utils.log();
+
+		if(mods.size() > 0)
+		{
+			Utils.log("Mods:");
+			for (String s : mods)
+			{
+				Utils.log("  " + s);
+			}
+			Utils.log();
+		}
+
+		if(coremods.size() > 0)
+		{
+			Utils.log("Core Mods:");
+			for (String s : coremods)
+			{
+				Utils.log("  " + s);
+			}
+			Utils.log();
+		}
+
+		if(jarmods.size() > 0)
+		{
+			Utils.log("Jar Mods:");
+			for (String s : jarmods)
+			{
+				Utils.log("  " + s);
+			}
+			Utils.log();
+		}
+
+		Utils.log("Params:");
+		Utils.log("  " + mcparams.toString());
+		Utils.log();
+		if(maximize)
+			Utils.log("Window size: max (if available)");
+		else
+			Utils.log("Window size: " + Integer.toString(winSize.width) + " x " + Integer.toString(winSize.height));
+		Utils.log();
+	}
+
+	int legacyLaunch()
+	{
+		// Get the Minecraft Class and set the base folder
+		Class<?> mc;
+		try
+		{
+			mc = cl.loadClass(mainClass);
+
+			Field f = Utils.getMCPathField(mc);
+
+			if (f == null)
+			{
+				System.err.println("Could not find Minecraft path field.");
+			}
+			else
+			{
+				f.setAccessible(true);
+				f.set(null, new File(cwd));
+			}
+		} catch (Exception e)
+		{
+			System.err.println("Could not set base folder. Failed to find/access Minecraft main class:");
+			e.printStackTrace(System.err);
+			return -1;
+		}
+
+		System.setProperty("minecraft.applet.TargetDirectory", cwd);
+
+		String[] mcArgs = new String[2];
+		mcArgs[0] = userName;
+		mcArgs[1] = sessionId;
+
+		Utils.log("Launching with applet wrapper...");
+		try
+		{
+			Class<?> MCAppletClass = cl.loadClass(appletClass);
+			Applet mcappl = (Applet) MCAppletClass.newInstance();
+			LegacyFrame mcWindow = new LegacyFrame(windowTitle);
+			mcWindow.start(mcappl, userName, sessionId, winSize, maximize);
+		} catch (Exception e)
+		{
+			Utils.log("Applet wrapper failed:", "Error");
+			e.printStackTrace(System.err);
+			Utils.log();
+			Utils.log("Falling back to compatibility mode.");
+			try
+			{
+				mc.getMethod("main", String[].class).invoke(null, (Object) mcArgs);
+			} catch (Exception e1)
+			{
+				Utils.log("Failed to invoke the Minecraft main class:", "Fatal");
+				e1.printStackTrace(System.err);
+				return -1;
+			}
+		}
+		return 0;
+	}
+
+	int launchWithMainClass()
+	{
+		// window size, title and state, onesix
+		if (maximize)
+		{
+			// FIXME: there is no good way to maximize the minecraft window in onesix.
+			// the following often breaks linux screen setups
+			// mcparams.add("--fullscreen");
+		}
+		else
+		{
+			mcparams.add("--width");
+			mcparams.add(Integer.toString(winSize.width));
+			mcparams.add("--height");
+			mcparams.add(Integer.toString(winSize.height));
+		}
+
+		System.setProperty("minecraft.applet.TargetDirectory", cwd);
+
+		// Get the Minecraft Class.
+		Class<?> mc;
+		try
+		{
+			mc = cl.loadClass(mainClass);
+		} catch (ClassNotFoundException e)
+		{
+			System.err.println("Failed to find Minecraft main class:");
+			e.printStackTrace(System.err);
+			return -1;
+		}
+
+		// get the main method.
+		Method meth;
+		try
+		{
+			meth = mc.getMethod("main", String[].class);
+		} catch (NoSuchMethodException e)
+		{
+			System.err.println("Failed to acquire the main method:");
+			e.printStackTrace(System.err);
+			return -1;
+		}
+		// init params for the main method to chomp on.
+		String[] paramsArray = mcparams.toArray(new String[mcparams.size()]);
+		try
+		{
+			// static method doesn't have an instance
+			meth.invoke(null, (Object) paramsArray);
+		} catch (Exception e)
+		{
+			System.err.println("Failed to start Minecraft:");
+			e.printStackTrace(System.err);
+			return -1;
+		}
+		return 0;
+	}
+
+	@Override
+	public int launch(ParamBucket params)
+	{
+		// get and process the launch script params
+		try
+		{
+			processParams(params);
+		} catch (NotFoundException e)
+		{
+			System.err.println("Not enough arguments.");
+			e.printStackTrace(System.err);
+			return -1;
+		}
+
+		// add libraries to classpath
+		if(!Utils.addToClassPath(libraries))
+		{
+			System.err.println("Halting launch due to previous errors.");
+			return -1;
+		}
+
+		// print the pretty things
+		printStats();
+
+		// extract native libs (depending on platform here... java!)
+		Utils.log("Preparing native libraries...");
+		for(String extlib: extlibs)
+		{
+			try
+			{
+				File extlibf = new File(extlib);
+				Utils.log("Extracting " + extlibf.getName());
+				Utils.unzipNatives(extlibf, new File(nativePath));
+			} catch (IOException e)
+			{
+				System.err.println("Failed to extract native library:");
+				e.printStackTrace(System.err);
+				return -1;
+			}
+		}
+		Utils.log();
+
+		// set the native libs path... the brute force way
+		try
+		{
+			System.setProperty("java.library.path", nativePath);
+			System.setProperty("org.lwjgl.librarypath", nativePath);
+			System.setProperty("net.java.games.input.librarypath", nativePath);
+			// by the power of reflection, initialize native libs again. DIRTY!
+			// this is SO BAD. imagine doing that to ld
+			Field fieldSysPath = ClassLoader.class.getDeclaredField("sys_paths");
+			fieldSysPath.setAccessible( true );
+			fieldSysPath.set( null, null );
+		}
+		catch (Exception e)
+		{
+			System.err.println("Failed to set the native library path:");
+			e.printStackTrace(System.err);
+			System.err.println("Minecraft might fail to launch...");
+		}
+
+		// grab the system classloader and ...
+		cl = ClassLoader.getSystemClassLoader();
+
+		if (traits.contains("legacyLaunch") || traits.contains("alphaLaunch") )
+		{
+			// legacy launch uses the applet wrapper
+			return legacyLaunch();
+		}
+		else
+		{
+			// normal launch just calls main()
+			return launchWithMainClass();
+		}
+	}
+}