Pong Tugas 9

package pong;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.Random;

import javax.swing.JFrame;
import javax.swing.Timer;
/**
 * Kelas utama dari game pong.
 *
 * @author Muhammad Naufaldillah
 * @version 19 Desember 2020
 */
public class Pong implements ActionListener, KeyListener
{
   public static Pong pong;

   public int width = 700, height = 700;

   public Renderer renderer;

   public Paddle player1;

   public Paddle player2;

   public Ball ball;

   public boolean bot = false, selectingDifficulty;

   public boolean w, s, up, down;

   public int gameStatus = 0, scoreLimit = 7, playerWon; //0 = Menu, 1 = Paused, 2 = Playing, 3 = Over

   public int botDifficulty, botMoves, botCooldown = 0;

   public Random random;

   public Pong()
   {
       Timer timer = new Timer(20, this);
       JFrame jframe = new JFrame("Pong");
       renderer = new Renderer();
       random = new Random();

       jframe.setSize(width + 15, height + 35);
       jframe.setVisible(true);
       jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
       jframe.add(renderer);
       jframe.addKeyListener(this);

       timer.start();
   }

   public void start()
   {
       gameStatus = 2;
       player1 = new Paddle(this, 1);
       player2 = new Paddle(this, 2);
       ball = new Ball(this);
   }

   public void update()
   {
       if(player1.score >= scoreLimit)
       {
           playerWon = 1;
           gameStatus = 3;
       }
       if(player2.score >= scoreLimit)
       {
           gameStatus = 3;
           playerWon = 2;
       }
       if(w)
       {
           player1.move(true);
       }
       if(s)
       {
           player1.move(false);
       }

       if(!bot)
       {
           if(up)
           {
               player2.move(true);
           }
           if(down)
           {
               player2.move(false);
           }
       }
       else
       {
           if(botCooldown > 0)
           {
               botCooldown--;

               if(botCooldown > 0)
               {
                   botMoves = 0;
               }
           }
           if(botMoves < 10)
           {
               if(player2.y + player2.height / 2 < ball.y)
               {
                   player2.move(false);
                   botMoves++;
               }

                if(player2.y + player2.height / 2 > ball.y)
               {
                   player2.move(true);
                   botMoves++;
               }

               if(botDifficulty == 0)
               {
                   botCooldown = 20;
               }
               if(botDifficulty == 1)
               {
                   botCooldown = 15;
               }
               if(botDifficulty == 2)
               {
                   botCooldown = 10;
               }
           }
       }

       ball.update(player1, player2);
   }

   public void render(Graphics2D g)
   {
       g.setColor(Color.BLACK);
       g.fillRect(0, 0, width, height);
       g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

       if(gameStatus == 0)
       {
           g.setColor(Color.BLUE);
           g.setFont(new Font("Arial", 1, 50));

           g.drawString("PONG", width / 2 - 75, 50);

           if(!selectingDifficulty)
           {
               g.setFont(new Font("Arial", 1, 30));

               g.drawString("Press Space to Play", width / 2 - 150, height / 2 - 25);
               g.drawString("Press Shift to Play with Bot", width / 2 - 200, height / 2 + 25);
               g.drawString("<< Score Limit: " + scoreLimit + " >>", width / 2 - 150, height / 2 + 75);
           }
       }

       if(selectingDifficulty)
       {
           String string = botDifficulty == 0 ? "Easy" : (botDifficulty == 1 ? "Medium" : "Hard");

           g.setFont(new Font("Arial", 1, 30));

           g.drawString("<< Bot Difficulty: " + string + " >>", width / 2 - 180, height / 2 - 25);
           g.drawString("Press Space to Play", width / 2 - 150, height / 2 + 25);
       }

       if(gameStatus == 1)
       {
           g.setColor(Color.BLUE);
           g.setFont(new Font("Arial", 1, 50));
           g.drawString("PAUSED", width / 2 - 103, height / 2 - 25);
       }

       if(gameStatus == 1 || gameStatus == 2)
       {
           g.setColor(Color.BLUE);

           g.setStroke(new BasicStroke(5f));

           g.drawLine(width / 2, 0, width / 2, height);

           g.setStroke(new BasicStroke(2f));

           g.drawOval(width / 2 - 150, height / 2 - 150, 300, 300);

           g.setFont(new Font("Arial", 1, 50));

           g.drawString(String.valueOf(player1.score), width / 2 - 90, 50);
           g.drawString(String.valueOf(player2.score), width / 2 + 65, 50);

           player1.render(g);
           player2.render(g);
           ball.render(g);
       }

       if(gameStatus == 3)
       {
           g.setColor(Color.BLUE);
           g.setFont(new Font("Arial", 1, 50));

           g.drawString("PONG", width / 2 - 75, 50);

           if(bot)
           {
               g.drawString("The Bot Wins!", width / 2 - 170, 250);
           }
           else
           {
               g.drawString("Player " + playerWon + " Wins!", width / 2 - 165, 250);
           }

           g.setFont(new Font("Arial", 1, 30));

           g.drawString("Press Space to Play Again", width / 2 - 185, height / 2 - 25);
           g.drawString("Press ESC for Menu", width / 2 - 140, height / 2 + 25);
       }
   }

   @Override
   public void actionPerformed(ActionEvent e)
   {
       if(gameStatus == 2)
       {
           update();
       }

       renderer.repaint();
   }

   public static void main(String[] args)
   {
       pong = new Pong();
   }

   @Override
   public void keyTyped(KeyEvent e)
   {

   }

   @Override
   public void keyPressed(KeyEvent e)
   {
       int id = e.getKeyCode();

       if(id == KeyEvent.VK_W)
       {
           w = true;
       }
       else if(id == KeyEvent.VK_S)
       {
           s = true;
       }
       else if(id == KeyEvent.VK_UP)
       {
           up = true;
       }
       else if(id == KeyEvent.VK_DOWN)
       {
           down = true;
       }
       else if(id == KeyEvent.VK_RIGHT)
       {
           if(selectingDifficulty)
           {
               if(botDifficulty < 2)
               {
                   botDifficulty++;
                }
                else
                {
                    botDifficulty = 0;
                }
           }
           else if(gameStatus == 0)
           {
               scoreLimit++;
           }
       }
       else if(id == KeyEvent.VK_LEFT)
       {
           if(selectingDifficulty)
           {
               if(botDifficulty > 0)
               {
                   botDifficulty--;
                }
                else
                {
                    botDifficulty = 2;
                }
           }
           else if(gameStatus == 0 && scoreLimit > 1)
           {
               scoreLimit--;
           }
       }
       else if(id == KeyEvent.VK_ESCAPE && (gameStatus == 2 || gameStatus == 3))
       {
           gameStatus = 0;
       }
       else if(id == KeyEvent.VK_SHIFT && gameStatus == 0)
       {
           bot = true;
           selectingDifficulty = true;
       }
       else if(id == KeyEvent.VK_SPACE)
       {
           if(gameStatus == 0 || gameStatus == 3)
           {
               if(!selectingDifficulty)
               {
                   bot = false;
               }
               else
               {
                   selectingDifficulty = false;
               }

               start();
           }
           else if(gameStatus == 1)
           {
               gameStatus = 2;
           }
           else if(gameStatus == 2)
           {
               gameStatus = 1;
           }
       }
   }

   @Override
   public void keyReleased(KeyEvent e)
   {
       int id = e.getKeyCode();

       if(id == KeyEvent.VK_W)
       {
           w = false;
       }
       else if(id == KeyEvent.VK_S)
       {
           s = false;
       }
       else if(id == KeyEvent.VK_UP)
       {
           up = false;
       }
       else if(id == KeyEvent.VK_DOWN)
       {
           down = false;
       }
   }
}