public static string GetJavaVersion()
{
object value = JavaPath.GetJavaRegistry().GetValue("CurrentVersion", null);
if (value == null)
{
throw new JavaNotFoundException();
}
return(value.ToString());
}
public static string GetJavaHome()
{
object obj = JavaPath.GetJavaRegistry().OpenSubKey(JavaPath.GetJavaVersion());
if (obj == null)
{
throw new JavaNotFoundException();
}
obj = ((RegistryKey)obj).GetValue("JavaHome", null);
if (obj == null)
{
throw new JavaNotFoundException();
}
return(obj.ToString());
}
private static Process ApplyProcessInfo(string binary, string[] parameters)
{
return(new Process
{
StartInfo =
{
FileName = Path.Combine(JavaPath.GetJavaBinaryPath(), binary),
Arguments = JavaPath.CombineParameters(parameters),
UseShellExecute = false,
WindowStyle = ProcessWindowStyle.Hidden,
RedirectStandardOutput = true,
RedirectStandardError = true,
RedirectStandardInput = true
}
});
}
public static string GetJavaBinaryPath()
{
object obj = JavaPath.GetJavaRegistry().OpenSubKey(JavaPath.GetJavaVersion());
if (obj == null)
{
throw new JavaNotFoundException();
}
obj = ((RegistryKey)obj).GetValue("JavaHome", null);
if (obj == null)
{
throw new JavaNotFoundException();
}
obj = Path.Combine(obj.ToString(), "bin");
if (!Directory.Exists(obj.ToString()))
{
throw new JavaNotFoundException();
}
return(obj.ToString());
}
public static Process CreateJava(params string[] parameters)
{
return(JavaPath.ApplyProcessInfo("java.exe", parameters));
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
string selectedJar = e.Argument.ToString();
Authentication authentication = new Authentication();
Control.CheckForIllegalCrossThreadCalls = false;
base.Hide();
Control.CheckForIllegalCrossThreadCalls = true;
authentication.SessionId = "12345";
if (!string.IsNullOrEmpty(Program.LoginPasswort))
{
this.sw.SetText("Login...");
Control.CheckForIllegalCrossThreadCalls = false;
this.sw.TopMost = false;
Control.CheckForIllegalCrossThreadCalls = true;
authentication.Username = Program.LoginUsername;
authentication.Password = Program.LoginPasswort;
authentication.LoginApiUri = new Uri("https://login.minecraft.net");
if (!authentication.Login())
{
MessageBox.Show("Passwort oder Username falsch, du bekommst leider keinen Zugriff auf Premium-Server.");
}
else
{
this.sw.SetText("Login erfolgreich!");
}
Control.CheckForIllegalCrossThreadCalls = false;
this.sw.TopMost = true;
Control.CheckForIllegalCrossThreadCalls = true;
}
try
{
this.sw.SetText("Minecraft wird vorbereitet...");
double num = this.computer.AvailablePhysicalMemory / 1048576uL;
int num2 = -65535;
int num3 = 0;
bool flag = false;
while (num2 != 0 && num3 < 20)
{
num *= 0.9;
double num4 = num / 2.0;
int num5 = (int)Math.Round(num / 4.0, 0) * 4;
int num6 = (int)Math.Round(num4 / 4.0, 0) * 4;
num3++;
this.sw.SetText("Starte mit " + num5 + " MB RAM...");
int num7 = 0;
while (num7 < 2 && num2 != 0)
{
Process process = JavaPath.CreateJavaW(new string[]
{
"-Xms" + num6 + "M",
"-Xmx" + num5 + "M",
"-XX:UseSSE=3",
"-Djava.library.path=" + Program.NativesPath,
flag ? "-Xincgc" : null,
"-cp",
string.Join(";", new string[]
{
selectedJar,
Path.Combine(Program.BinPath, "lwjgl.jar"),
Path.Combine(Program.BinPath, "lwjgl_util.jar"),
Path.Combine(Program.BinPath, "jinput.jar")
}),
"net.minecraft.client.Minecraft",
Program.LoginUsername,
"12345"
});
process.EnableRaisingEvents = true;
process.StartInfo.EnvironmentVariables["AppData"] = Environment.CurrentDirectory;
process.Start();
while (!process.HasExited)
{
string text = process.StandardOutput.ReadLine();
if (text != null)
{
this.sw.SetText(text);
Control.CheckForIllegalCrossThreadCalls = false;
base.TopMost = true;
base.ControlBox = false;
Control.CheckForIllegalCrossThreadCalls = true;
if (text.ToLower().Contains("lwjgl"))
{
Control.CheckForIllegalCrossThreadCalls = false;
this.sw.Hide();
Control.CheckForIllegalCrossThreadCalls = true;
}
}
}
num2 = process.ExitCode;
flag = !flag;
num7++;
}
}
if (num2 != 0)
{
MessageBox.Show("Java hat einen Fehler festgestellt. Fehlercode: " + num2, "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Hand);
}
}
catch (JavaNotFoundException)
{
MessageBox.Show("Auf diesem Computer ist kein Java installiert. Bitte nachinstallieren!", "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Hand);
}
catch (Exception ex)
{
MessageBox.Show("Java konnte nicht gestartet werden: " + ex.Message, "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Hand);
}
}