Launch Minecraft from command line – username and password as prefix
You can do this, you just need to circumvent the launcher. In %appdata%\.minecraft\bin (or ~/.minecraft/bin on unixy systems), there is a minecraft.jar file. This is the actual game – the launcher runs this. Invoke it like so: java -Xms512m -Xmx1g -Djava.library.path=natives/ -cp “minecraft.jar;lwjgl.jar;lwjgl_util.jar” net.minecraft.client.Minecraft <username> <sessionID> Set the working directory to .minecraft/bin. To get the … Read more