The_Box

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class Display extends JFrame implements Runnable {
    private static final long serialVersionUID = 1L;

    public static String TITLE = "The Box Alpha 0.05";
    public static int WIDTH = 600;
    public static int HEIGHT = 400;

    public int moveSpeed = 5;
    public boolean Paused = false;

    int xChar, yChar, xMouse, yMouse, xLaserAnchor, yLaserAnchor, xLaserDest, yLaserDest, xDirection, yDirection, xCoordinate, yCoordinate;
    int xZombie = 50, yZombie = 50;
    FPSCounter FPS = new FPSCounter();
    boolean SHOT = false;

    public String Controls = "Movement - ArrowKeys, Shooting - LMB, Sprint - Shift, Pause - ESC";

    public Image dbImage;
    public Graphics dbg;
    Font font = new Font("Arial", Font.BOLD, 12);
    Font font2 = new Font("Arial", Font.BOLD, 15);
    Image charImage, backImage, zombieImage;

    public void run() {
        try {
            while (true) {
                if (!Paused) {
                    FPS.tick();
                    move();
                    FindCharacter();
                }
                Thread.sleep(10);
            }
        } catch (Exception e) {
            System.out.println("Error");
        }

    }

    public void Shooting() {
        while (!SHOT) {
            xLaserDest = xLaserAnchor;
            yLaserDest = yLaserAnchor;
        }
        while (SHOT) {
            xLaserDest = xCoordinate;
            yLaserDest = yCoordinate;
        }
    }

    public class FPSCounter {
        public int currentFPS = 0;
        public int FPS = 0;
        public long start = 0;

        public void tick() {
            currentFPS++;
            if (System.currentTimeMillis() - start >= 1000) {
                FPS = currentFPS;
                currentFPS = 0;
                start = System.currentTimeMillis();
            }
        }

        public int getFPS() {
            return FPS;
        }
    }

    public void move() {
        xChar += xDirection;
        yChar += yDirection;

        if (xChar <= 0) {
            xChar = 0;
        }
        if (xChar >= WIDTH - 32) {
            xChar = WIDTH - 32;
        }
        if (yChar <= 24) {
            yChar = 24;
        }
        if (yChar >= HEIGHT - 32) {
            yChar = HEIGHT - 32;
        }

    }

    public void setXDirection(int xdir) {
        xDirection = xdir;
    }

    public void setYDirection(int ydir) {
        yDirection = ydir;
    }

    public class AL extends KeyAdapter {
        public void keyPressed(KeyEvent e) {
            int keyCode = e.getKeyCode();

            if (keyCode == e.VK_ESCAPE) {
                if (!Paused) {
                    Paused = true;
                } else {
                    Paused = false;
                }
            }

            if (keyCode == e.VK_SHIFT) {
                moveSpeed = 8;
            }

            if (keyCode == e.VK_LEFT) {
                setXDirection(-moveSpeed);
            }

            if (keyCode == e.VK_RIGHT) {
                setXDirection(+moveSpeed);
            }

            if (keyCode == e.VK_UP) {
                setYDirection(-moveSpeed);
            }

            if (keyCode == e.VK_DOWN) {
                setYDirection(+moveSpeed);
            }
            e.consume();

        }

        public void keyReleased(KeyEvent e) {
            int keyCode = e.getKeyCode();

            if (keyCode == e.VK_SHIFT) {
                moveSpeed = 5;
            }

            if (keyCode == e.VK_LEFT) {
                setXDirection(0);
            }

            if (keyCode == e.VK_RIGHT) {
                setXDirection(0);
            }

            if (keyCode == e.VK_UP) {
                setYDirection(0);
            }

            if (keyCode == e.VK_DOWN) {
                setYDirection(0);
            }
            e.consume();

        }
    }

    public void drawImages() {
        try {
            // Load images
            backImage = new ImageIcon("res/Textures/Background.png").getImage();
            charImage = new ImageIcon("res/Characters/Character.png").getImage();
            zombieImage = new ImageIcon("res/Characters/Zombie.png").getImage();
        } catch (Exception e) {
            JOptionPane.showMessageDialog(null, "Error loading images. Please send a message to Ryan B. at RyanMB1997@hotmail.com");
        }
    }

    public Display() {

        // Game properties
        addKeyListener(new AL());
        addMouseListener(new Mouse());

        // Draw images
        drawImages();

        // Screen properties
        setTitle(TITLE);
        setSize(WIDTH, HEIGHT);
        setResizable(false);
        setVisible(true);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLocationRelativeTo(null);

        xChar = 125;
        yChar = 125;

        xMouse = xChar + 16;
        yMouse = yChar + 16;

        xLaserAnchor = xChar + 16;
        yLaserAnchor = yChar + 16;

    }

    public void FindCharacter() {
        if (xZombie < xChar) {
            xZombie++;
        }
        if (xZombie > xChar) {
            xZombie--;
        }
        if (yZombie < yChar) {
            yZombie++;
        }
        if (yZombie > yChar) {
            yZombie--;
        }
    }

    class Mouse extends MouseAdapter {
        @Override
        public void mousePressed(MouseEvent e) {
            int xCoordinate = e.getX();
            int yCoordinate = e.getY();
            xMouse = xCoordinate;
            yMouse = yCoordinate;

            xLaserDest = xMouse;
            yLaserDest = yMouse;

            SHOT = true;
        }

        @Override
        public void mouseReleased(MouseEvent e) {
            xLaserDest = xChar + 16;
            yLaserDest = yChar + 16;

            SHOT = false;

        }
    }

    public void paint(Graphics g) {
        dbImage = createImage(getWidth(), getHeight());
        dbg = dbImage.getGraphics();
        paintComponent(dbg);
        g.drawImage(dbImage, 0, 0, this);

    }

    public void paintComponent(Graphics g) {

        xLaserAnchor = xChar + 16;
        yLaserAnchor = yChar + 16;

        g.drawImage(backImage, 0, 0, this);
        g.drawImage(charImage, xChar, yChar, this);
        g.drawImage(zombieImage, xZombie, yZombie, this);

        g.setColor(Color.YELLOW);
        g.setFont(font);
        g.drawString(Controls, 70, 40);

        g.drawString("MoveSpeed: " + moveSpeed, 460, 40);

        g.setColor(Color.YELLOW);
        g.setFont(font2);
        g.drawString("FPS: " + FPS.FPS, 5, 40);

        g.setColor(Color.YELLOW);
        g.drawLine(xLaserAnchor, yLaserAnchor, xLaserDest, yLaserDest);

        repaint();
    }

    public static void main(String[] args) {
        Display dis = new Display();
        // Threads
        Thread t1 = new Thread(dis);
        t1.start();
    }
}