Game.java

package clientApplet;

import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;

import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;

public class Game extends JPanel
{

    private static final long serialVersionUID = 1L;

    public static int fps = 60;

    KeyboardEvents keyEvents;

    public static JTextField chatBox;
    public static JTextArea chatRecords;

    public Main main;

    public static List<Integer> keys;
    public static List<Integer> keysPrev;


    public Game(Main main) {
        this.main = main;

        keyEvents = main.keyEvents;

        setFocusable(true);
        addKeyListener(keyEvents);

        setLayout(null);

        setBounds(0,0,900,600);
        setBackground(Color.WHITE);

        (new Thread(new Runnable() {
            public void run() {
                runThread();
            }
        })).start();
    }

    public void runThread() {
        try {
            fStart();
            while(true) {

                keys = arr2List(keyEvents.getKeys());
                fUpdate();
                keysPrev = keys;

                repaint();

                Thread.sleep(1000/fps);
            }
        } catch(Exception ex) {
            ex.printStackTrace();
        }
    }

    public void paintComponent(final Graphics g) {
        super.paintComponent(g);
        fDraw(g);
    }

    public static String chatString = "";

    public void fStart() {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createGUI();
            }
        });
    }

    public void createGUI() {
        //chatBox
        chatBox = new JTextField();
        chatBox.setBounds(6,580,230,20);
        chatBox.setOpaque(false);
        chatBox.setBorder(null);
        chatBox.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                //If chatBox is Empty
                if(chatBox.getText().isEmpty()) {
                    //Hide it
                    chatBox.setVisible(false);
                }else {
                    //Send the message and clear it
                    chatBox.setText("");
                }
            }
        });
        add(chatBox);

        //chatRecords
        chatRecords = new JTextArea("HI\nHI");
        chatRecords.setEditable(true);
        chatRecords.setOpaque(false);
        JScrollPane chatScroll = new JScrollPane(chatRecords);
        chatRecords.setBounds(0,360,240,240);
        chatScroll.setOpaque(false);
        chatScroll.setBorder(null);
        add(chatRecords);
    }

    public void fDraw(Graphics g) {
        Graphics2D g2D = (Graphics2D) g;
        //If chatBox is Visible
        if(chatBox.isVisible()) {
            //Chat Records
            g2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, .4f));
            g2D.setColor(Color.GRAY);
            g2D.fillRoundRect(0,360,240,240,10,10);
            //Outline of Chat Area
            g2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1f));
            g2D.setColor(Color.BLACK);
            g2D.drawRoundRect(0,360,240,239,10,10);
            //Chat Box
            g2D.setColor(Color.WHITE);
            g2D.fillRoundRect(1,580,239,25,10,10);
            g2D.setColor(Color.BLACK);
            g2D.drawRoundRect(0,580,240,25,10,10);
        }else
        {
            //Chat Records
            g2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, .4f));
            g2D.setColor(Color.GRAY);
            g2D.fillRect(0,480,240,120);
            //Outline of Chat Area
            g2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1f));
            g2D.setColor(Color.BLACK);
            g2D.drawRect(0,480,240,120);
        }
    }

    public void fUpdate() {
        //If Enter Key is Pressed
        if(keyPressed(10)) {
            //If chatBox is hidden
            if(!chatBox.isVisible()) {
                //Show it and give it focus
                chatBox.setVisible(true);
                chatBox.requestFocus();
            }
        }
    }

    //---KeyEvents---
    public boolean keyPressed(int key) {
        return (keys.contains(key) && !keysPrev.contains(key));
    }

    public boolean keyDown(int key) {
        return keys.contains(key);
    }

    public boolean keyReleased(int key) {
        return (!keys.contains(key) && keysPrev.contains(key));
    }

    //---Misc Functions---
    public List<Integer> arr2List(Integer[] array) {
        List<Integer> objList = new ArrayList<Integer>();
        for (int index = 0; index < array.length; index++)
        {
            objList.add(array[index]);
        }
        return objList;
    }

}