MLaunchOption

MLaunchOption class

Example

   var launchOption = new MLaunchOption()
   {
       // Required Settings
       MaximumRamMb = 4096,
       Session = MSession.GetOfflineSession("tester123"),

       // Optional Settings
       JavaPath = "javaw.exe",
       LauncherName = "CmlLauncher",
       ServerIp = "mc.hypixel.net",
       CustomJavaParameter = "",
       ScreenWidth = 1600,
       ScreenHeight = 900,

       // Only macOS
       DockName = "",
       DockIcon = "",
   };

Properties

MaximumRamMb

Type: int

Set -Xmx JVM parameter. It is used to set the maximum heap size of minecraft.
Note: You can't set this property exceeding 1024 in 32bit Java.

Session

Type: MSession

Set username, uuid, access_token of player. It is used to connect online-mode server or realm server. but if you use MSession.GetOfflineSession, you can't connect these servers.

JavaPath

Type: string Optional

Set java path. If this property was empty and call Cml.CreateProcess, CreateProcess method will set this property to <Your Game Path>/runtime, check java existence, and download java if it does not exists.

LauncherName

Type: string Optional

Show LauncherName bottom left of main menu in minecraft. Old minecraft version doesn't support this option.

ServerIp

Type: string Optional

Connect to server directly when minecraft loading is done. This option doesn't work in 1.15. It is bug of minecraft.

CustomJavaParameter

Type: string Optional

Set JVM parameter. If this property is empty, use default JVM parameter.
Default JVM Parameter :

-XX:+UnlockExperimentalVMOptions 
-XX:+UseG1GC 
-XX:G1NewSizePercent=20 
-XX:G1ReservePercent=20 
-XX:MaxGCPauseMillis=50 
-XX:G1HeapRegionSize=16M

ScreenWidth / ScreenHeight

Type: int Optional

Set the resolution of Minecraft. It works when value of two options is bigger than 0. If one of these option is negative, ArgumentException will be thrown. Old minecraft version doesn't support this option.

DockName

Type: string Optional

Set dock name of minecraft. It works only in macOS. In some macOS version, you must set this option. More Infomation

DockIcon

Type: string Optional

Set dock icon of minecraft. It should be an absolute file path which of size is 256x256 and icns format.