An Automatic SC2 Game Start Switcher

/* Created by Zamiel on Feb. 26, 2013 */

import javax.swing.*;
import java.io.*;

public class SC2GameStartSwitcher {
private static void createAndShowGUI() {
//Create and set up the window.
JFrame frame = new JFrame("StarCraft II Automatic Game Start Switcher");
JLabel label = new JLabel("Detecting SC2 game starts. Feel free to minimize this window.");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(label);
frame.setSize(500,100);
frame.setVisible(true);
}

public static int getStartModule() { // returns 0 if not in a game, 1 if in a game
String s = getValue("reg query HKCU\\Software\\Razer\\Starcraft2 /v StartModule");
if (s.contains("0x1")){
return 1;
} else if (s.contains("0x0")){
return 0;
} else {
return -1;
}
}

public static int getAPMValue() {
String[] splits = getValue("reg query HKCU\\Software\\Razer\\Starcraft2 /v APMValue").split(" ");
return Integer.parseInt(splits[12]);
}

public static Process execute(String command){
try {
return Runtime.getRuntime().exec(command);
} catch (IOException e) {
e.printStackTrace();
return null;
}
}

public static String getValue(String regValue){
try {
Process p = execute(regValue);
p.waitFor();
java.io.InputStream is = p.getInputStream();
java.io.BufferedReader reader = new java.io.BufferedReader(new InputStreamReader(is));
String s = null;
s = reader.readLine();
s = reader.readLine();
s = reader.readLine();
is.close();
return s;
} catch (Exception e){
return null;
}
}

public static void main(String[] args) {
int gameState = 0;

//Schedule a job for the event-dispatching thread:
//creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});

while (true) { // run forever
try {
Thread.sleep(10); // pause for 10 milliseconds
}
catch (InterruptedException E) {
Thread.currentThread().interrupt();
}
switch (gameState){
case 0: // not in a game
if (getStartModule() == 1) { // we are now loading the game
gameState = 1;
}
if (getAPMValue() != 1000) { // set the current APM to an arbitrary value so that we can detect a change once the game starts
execute("reg add HKCU\\Software\\Razer\\Starcraft2 /v APMValue /d 1000 /f");
}
case 1:
if (getAPMValue() != 1000) { // the APM has changed which means that loading is done
execute("wscript activateSC2.vbs");
gameState = 2;
}
case 2: // we are playing a game
if (getStartModule() == 0) { // we have left the game
gameState = 0;
}
}
}
}
}