Extract native libs in the launcher part.

depends/launcher/org/multimc/EntryPoint.java

@@ -22,6 +22,7 @@ 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
 {
@@ -93,12 +94,21 @@ public class EntryPoint
 
 	public int listen()
 	{
-		BufferedReader buffer = new BufferedReader(new InputStreamReader(System.in));
+		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;
 		// Main loop
 		while (isListening)
 		{
-			String inData="";
+			String inData;
 			try
 			{
 				// Read from the pipe one line at a time
@@ -113,11 +123,13 @@ public class EntryPoint
 			}
 			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;
 			}

depends/launcher/org/multimc/Utils.java

@@ -16,19 +16,23 @@
 
 package org.multimc;
 
-import java.io.File;
+import java.io.*;
 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.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
@@ -42,6 +46,7 @@ public class Utils
 
 	/**
 	 * 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.
@@ -105,7 +110,8 @@ public class Utils
 	 * @param pathToAdd the path to add
 	 * @throws Exception
 	 */
-	@Deprecated public static void addLibraryPath(String pathToAdd) throws Exception
+	@Deprecated
+	public static void addLibraryPath(String pathToAdd) throws Exception
 	{
 		final Field usrPathsField = ClassLoader.class.getDeclaredField("usr_paths");
 		usrPathsField.setAccessible(true);
@@ -176,4 +182,61 @@ public class Utils
 	{
 		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();
 		}
+	}
+
+	/**
+	 * Unzip zip file 'source' into the folder 'targetFolder'
+	 * @param source
+	 * @param targetFolder
+	 * @throws IOException
+	 */
+	public static void unzip(File source, File targetFolder) throws IOException
+	{
+		ZipFile zip = new ZipFile(source);
+		try
+		{
+			Enumeration entries = zip.entries();
+
+			while (entries.hasMoreElements())
+			{
+				ZipEntry entry = (ZipEntry) entries.nextElement();
+
+				File targetFile = new File(targetFolder, entry.getName());
+				if (targetFile.getParentFile() != null)
+				{
+					targetFile.getParentFile().mkdirs();
+				}
+
+				if (entry.isDirectory())
+					continue;
+
+				copyStream(zip.getInputStream(entry), new BufferedOutputStream(new FileOutputStream(targetFile)));
+			}
+		} finally
+		{
+			zip.close();
+		}
+	}
+}
+

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

@@ -18,6 +18,7 @@ package org.multimc.onesix;
 import org.multimc.*;
 
 import java.io.File;
+import java.io.IOException;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
@@ -34,6 +35,7 @@ public class OneSixLauncher implements Launcher
 	{
 		// get and process the launch script params
 		List<String> libraries;
+		List<String> extlibs;
 		List<String> mcparams;
 		List<String> mods;
 		String mainClass;
@@ -43,10 +45,12 @@ public class OneSixLauncher implements Launcher
 		try
 		{
 			libraries = params.all("cp");
+			extlibs = params.all("ext");
 			mcparams = params.all("param");
 			mainClass = params.first("mainClass");
 			mods = params.allSafe("mods", new ArrayList<String>());
 			natives = params.first("natives");
+
 			windowTitle = params.first("windowTitle");
 			// windowParams = params.first("windowParams");
 		} catch (NotFoundException e)
@@ -66,23 +70,14 @@ public class OneSixLauncher implements Launcher
 			return -1;
 		}
 
-		String property = System.getProperty("os.arch");
-		List<String> allNativePaths = new ArrayList<String>();
-		boolean is_64 = property.equalsIgnoreCase("x86_64") || property.equalsIgnoreCase("amd64");
-		allNativePaths.add(natives);
-		allNativePaths.add(natives + "/" + (is_64 ? "64" : "32"));
-
 		// print the pretty things
 		{
 			Utils.log("Main Class:");
 			Utils.log("  " + mainClass);
 			Utils.log();
 
-			Utils.log("Native paths:");
+			Utils.log("Native path:");
-			for (String s : allNativePaths)
+				Utils.log("  " + natives);
-			{
-				Utils.log("  " + s);
-			}
 			Utils.log();
 
 			Utils.log("Libraries:");
@@ -107,11 +102,28 @@ public class OneSixLauncher implements Launcher
 			Utils.log();
 		}
 
-		final ClassLoader cl = ClassLoader.getSystemClassLoader();
-
 		// set up the natives path(s).
-		String libpath = Utils.join(allNativePaths, String.valueOf(File.pathSeparatorChar));
+		Utils.log("Preparing native libraries...");
-		System.setProperty("java.library.path", libpath);
+		String property = System.getProperty("os.arch");
+		boolean is_64 = property.equalsIgnoreCase("x86_64") || property.equalsIgnoreCase("amd64");
+		for(String extlib: extlibs)
+		{
+			try
+			{
+				String cleanlib = extlib.replace("${arch}", is_64 ? "64" : "32");
+				File cleanlibf = new File(cleanlib);
+				Utils.log("Extracting " + cleanlibf.getName());
+				Utils.unzip(cleanlibf, new File(natives));
+			} catch (IOException e)
+			{
+				System.err.println("Failed to extract native library:");
+				e.printStackTrace(System.err);
+				return -1;
+			}
+		}
+		Utils.log();
+
+		System.setProperty("java.library.path", natives);
 		Field fieldSysPath;
 		try
 		{
@@ -126,6 +138,7 @@ public class OneSixLauncher implements Launcher
 		}
 
 		// Get the Minecraft Class.
+		final ClassLoader cl = ClassLoader.getSystemClassLoader();
 		Class<?> mc;
 		try
 		{

logic/OneSixInstance.cpp

@@ -228,6 +228,11 @@ MinecraftProcess *OneSixInstance::prepareForLaunch(MojangAccountPtr account)
 	}
 	QDir natives_dir(PathCombine(instanceRoot(), "natives/"));
 	launchScript += "windowTitle " + windowTitle() + "\n";
+	for(auto native: version->getActiveNativeLibs())
+	{
+		QFileInfo finfo(PathCombine("libraries", native->storagePath()));
+		launchScript += "ext " + finfo.absoluteFilePath() + "\n";
+	}
 	launchScript += "natives " + natives_dir.absolutePath() + "\n";
 	launchScript += "launch onesix\n";
 

logic/OneSixUpdate.cpp

@@ -349,11 +349,6 @@ void OneSixUpdate::prepareForLaunch()
 		return;
 	}
 	/*
-	 * 		emitFailed("Could not create the native library folder:\n" + natives_dir_raw +
-					   "\nMake sure MultiMC has appropriate permissions and there is enough
-	 space "
-					   "on the storage device.");
-	*/
 	for (auto lib : version->getActiveNativeLibs())
 	{
 		if (!lib->filesExist())
@@ -372,6 +367,6 @@ void OneSixUpdate::prepareForLaunch()
 			return;
 		}
 	}
-
+*/
 	emitSucceeded();
 }