MouseJump

MouseJump.java

import java.util.Scanner;
import java.awt.AWTException;
import java.awt.GraphicsEnvironment;
import java.awt.Rectangle;
import java.awt.Robot;

public final class MouseJump
{
    public static void main(String[] args) throws AWTException
    {
        char key;

        if (args.length > 0 && args[0].length() > 0) {
            key = args[0].charAt(0);
        } else {
            Scanner stdin = new Scanner(System.in);
            key = stdin.nextLine().charAt(0);
        }

        GraphicsEnvironment env = GraphicsEnvironment.getLocalGraphicsEnvironment();
        Rectangle window = env.getMaximumWindowBounds();

        int splitSizeX = 10;
        int splitSizeY = 4;

        int inputX = getX(key);
        int inputY = getY(key);

        double jumpToX = window.width / splitSizeX * (inputX + 0.5);
        double jumpToY = window.height / splitSizeY * (inputY + 0.5);

        Robot robot = new Robot();
        robot.mouseMove((int)Math.round(jumpToX), (int)Math.round(jumpToY));

        System.exit(0);
    }

    public static int getX(char key)
    {
        switch(key) {
        case '1':
        case 'q':
        case 'a':
        case 'z':
            return 0;
        case '2':
        case 'w':
        case 's':
        case 'x':
            return 1;
        case '3':
        case 'e':
        case 'd':
        case 'c':
            return 2;
        case '4':
        case 'r':
        case 'f':
        case 'v':
            return 3;
        case '5':
        case 't':
        case 'g':
        case 'b':
            return 4;
        case '6':
        case 'y':
        case 'h':
        case 'n':
            return 5;
        case '7':
        case 'u':
        case 'j':
        case 'm':
            return 6;
        case '8':
        case 'i':
        case 'k':
        case ',':
            return 7;
        case '9':
        case 'o':
        case 'l':
        case '.':
            return 8;
        case '0':
        case 'p':
        case ';':
        case '/':
            return 9;
        default:
            return 0;
        }
    }
    public static int getY(char key)
    {
        switch(key) {
        case '1':
        case '2':
        case '3':
        case '4':
        case '5':
        case '6':
        case '7':
        case '8':
        case '9':
        case '0':
            return 0;
        case 'q':
        case 'w':
        case 'e':
        case 'r':
        case 't':
        case 'y':
        case 'u':
        case 'i':
        case 'o':
        case 'p':
            return 1;
        case 'a':
        case 's':
        case 'd':
        case 'f':
        case 'g':
        case 'h':
        case 'j':
        case 'k':
        case 'l':
        case ';':
            return 2;
        case 'z':
        case 'x':
        case 'c':
        case 'v':
        case 'b':
        case 'n':
        case 'm':
        case ',':
        case '.':
        case '/':
            return 3;
        default:
            return 0;
        }
    }
}