An open-source library for launching Minecraft (uses mclaunch-util-lib by Kronos666).
It can run Minecraft client with a few codes.

Download

See jenkins.

Dependencies

• gson 2.2.4 https://code.google.com/p/google-gson/
• (Included) mclaunch-util-lib 0.1 https://github.com/Kronos666/mclaunch-util-lib/tree/master/release/

Samples

Create Jmccc Instance:

Jmccc jmccc = new Jmccc(new BaseOptions("/path/to/your/minecraft/client/.minecraft", "/path/to/you/java/path"));
Jmccc jmccc = new Jmccc(new BaseOptions("/path/to/your/minecraft/client/.minecraft"));
Jmccc jmccc = new Jmccc(); // equals: Jmccc jmccc = new Jmccc(new BaseOptions());

Find Versions

Version versionToLaunch = jmccc.getVersionsHandler().getVersionById("1.8");

Create Authenticator Instance

IAuthenticator authenticator = new OfflineAuthenticator("your_name");
IAuthenticator authenticator = new YggdrasilAuthenticator("your@e.mail", "your_password");

Create LaunchOption Instance

LaunchOption option = new LaunchOption(versionToLaunch, authenticator);
option.setMaxMemory(1024); //optional
option.setMinMemory(512); //optional
option.setServerInfo(new ServerInfo("helloworld", 25565)); //optional
option.setWindowSize(new WindowSize(512, 1024)); //optional

Create LaunchArgument Instance

LaunchArgument arg = jmccc.generateLaunchArgs(option);

Get Missing Libraries & Natives

//Remember to generate LaunchArgs before getting the missing libraries and natives.
for(Library lib : Jmccc.MISSING_LIBRARIES) {
    System.out.println("Missing Library: " + lib.getName());
}
for(Native nat : Jmccc.MISSING_NATIVES) {
    System.out.println("Missing Native: " + nat.getName());
}

Launch Game

jmccc.launchGame(arg);

Compiling

Windows:

gradlew clean copyLicense build

Linux:

./gradlew clean copyLicense build

Change Logs

1.3

• Bugs fixing.
• Jmccc.VERSION -> Reporter.version

1.2

• Bugs fixing.

1.1

• Bugs fixing.
• Added method VersionsHandler.getVersionById(String id).

1.0.6

• Removed Lombok dependency.
• Bugs fixing.
• IGameListener is still WIP.