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/* 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.io.File;
import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.ArrayList;
import java.util.List;
public class OneSixLauncher implements Launcher
{
@Override
public int launch(ParamBucket params)
{
// get and process the launch script params
List<String> libraries;
List<String> extlibs;
List<String> mcparams;
List<String> mods;
List<String> traits;
String mainClass;
String natives;
final String windowTitle;
String windowParams;
try
{
libraries = params.all("cp");
extlibs = params.all("ext");
mcparams = params.all("param");
mainClass = params.first("mainClass");
mods = params.allSafe("mods", new ArrayList<String>());
traits = params.allSafe("traits", new ArrayList<String>());
natives = params.first("natives");
windowTitle = params.first("windowTitle");
// windowParams = params.first("windowParams");
} catch (NotFoundException e)
{
System.err.println("Not enough arguments.");
e.printStackTrace(System.err);
return -1;
}
List<String> allJars = new ArrayList<String>();
allJars.addAll(mods);
allJars.addAll(libraries);
if(!Utils.addToClassPath(allJars))
{
System.err.println("Halting launch due to previous errors.");
return -1;
}
// print the pretty things
{
Utils.log("Main Class:");
Utils.log(" " + mainClass);
Utils.log();
Utils.log("Native path:");
Utils.log(" " + natives);
Utils.log();
Utils.log("Libraries:");
for (String s : libraries)
{
Utils.log(" " + s);
}
Utils.log();
if(mods.size() > 0)
{
Utils.log("Class Path Mods:");
for (String s : mods)
{
Utils.log(" " + s);
}
Utils.log();
}
Utils.log("Params:");
Utils.log(" " + mcparams.toString());
Utils.log();
}
// set up the natives path(s).
Utils.log("Preparing native libraries...");
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
{
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);
return -1;
}
// Get the Minecraft Class.
final ClassLoader cl = ClassLoader.getSystemClassLoader();
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;
}
// FIXME: works only on linux, we need a better solution
/*
final java.nio.ByteBuffer[] icons = IconLoader.load("icon.png");
new Thread() {
public void run() {
ClassLoader cl = ClassLoader.getSystemClassLoader();
try
{
Class<?> Display;
Method isCreated;
Method setTitle;
Method setIcon;
Display = cl.loadClass("org.lwjgl.opengl.Display");
isCreated = Display.getMethod("isCreated");
setTitle = Display.getMethod("setTitle", String.class);
setIcon = Display.getMethod("setIcon", java.nio.ByteBuffer[].class);
// set the window title? Maybe?
while(!(Boolean) isCreated.invoke(null))
{
try
{
Thread.sleep(150);
} catch (InterruptedException ignored) {}
}
// Give it a bit more time ;)
Thread.sleep(150);
// set the title
setTitle.invoke(null,windowTitle);
// only set icon when there's actually something to set...
if(icons.length > 0)
{
setIcon.invoke(null,(Object)icons);
}
}
catch (Exception e)
{
System.err.println("Couldn't set window icon or title.");
e.printStackTrace(System.err);
}
}
}
.start();
*/
// start Minecraft
String[] paramsArray = mcparams.toArray(new String[mcparams.size()]); // init params accordingly
try
{
meth.invoke(null, (Object) paramsArray); // static method doesn't have an instance
} catch (Exception e)
{
System.err.println("Failed to start Minecraft:");
e.printStackTrace(System.err);
return -1;
}
return 0;
}
}
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