Initial commit

.gitignore

@@ -1,26 +1,32 @@
-# ---> Java
+target/
-# Compiled class file
+!.mvn/wrapper/maven-wrapper.jar
-*.class
+!**/src/main/**/target/
+!**/src/test/**/target/
 
-# Log file
+### IntelliJ IDEA ###
-*.log
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
 
-# BlueJ files
+### Eclipse ###
-*.ctxt
+.apt_generated
-
+.classpath
-# Mobile Tools for Java (J2ME)
+.factorypath
-.mtj.tmp/
+.project
-
+.settings
-# Package Files #
+.springBeans
-*.jar
+.sts4-cache
-*.war
-*.nar
-*.ear
-*.zip
-*.tar.gz
-*.rar
-
-# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
-hs_err_pid*
-replay_pid*
 
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/

.idea/.gitignore

@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Environment-dependent path to Maven home directory
+/mavenHomeManager.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/encodings.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+  </component>
+</project>

.idea/misc.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="ms-21" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

pom.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.example</groupId>
+    <artifactId>My2DGame</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>

src/main/java/entity/Entity.java

@@ -0,0 +1,21 @@
+package entity;
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+
+public class Entity {
+    public int worldX;
+    public int worldY;
+    public int speed;
+
+    public BufferedImage up1, up2, down1, down2, left1, left2, right1, right2;
+    public String direction;
+
+    public int spriteCount = 0;
+    public int spriteNum = 1;
+
+    public Rectangle solidArea;
+    public int solidAreaDefaultX;
+    public int solidAreaDefaultY;
+    public boolean collisionOn = false;
+}

src/main/java/entity/Player.java

@@ -0,0 +1,144 @@
+package entity;
+
+import main.GamePanel;
+import main.KeyHandler;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.util.Objects;
+
+public class Player extends Entity {
+    private final GamePanel gamePanel;
+    private final KeyHandler keyHandler;
+
+    public final int screenX;
+    public final int screenY;
+
+    int hasKey = 0;
+
+    public Player(GamePanel gamePanel, KeyHandler keyHandler) {
+        this.gamePanel = gamePanel;
+        this.keyHandler = keyHandler;
+
+        screenX = gamePanel.screenWidth / 2 - (gamePanel.tileSize/2);
+        screenY = gamePanel.screenHeight / 2 - (gamePanel.tileSize/2);
+
+        solidArea = new Rectangle(8,16,32,32);
+        solidAreaDefaultX = solidArea.x;
+        solidAreaDefaultY = solidArea.y;
+
+        setDefaultValues();
+        getPlayerImage();
+
+    }
+
+    public void setDefaultValues(){
+        worldX = gamePanel.tileSize * 22;
+        worldY = gamePanel.tileSize * 22;
+        speed = 1;
+        direction = "down";
+    }
+
+    public void getPlayerImage(){
+        try {
+            up1 = ImageIO.read(Objects.requireNonNull(getClass().getResourceAsStream("/player/boy_up_1.png")));
+            up2 = ImageIO.read(Objects.requireNonNull(getClass().getResourceAsStream("/player/boy_up_2.png")));
+            down1 = ImageIO.read(Objects.requireNonNull(getClass().getResourceAsStream("/player/boy_down_1.png")));
+            down2 = ImageIO.read(Objects.requireNonNull(getClass().getResourceAsStream("/player/boy_down_2.png")));
+            left1 = ImageIO.read(Objects.requireNonNull(getClass().getResourceAsStream("/player/boy_left_1.png")));
+            left2 = ImageIO.read(Objects.requireNonNull(getClass().getResourceAsStream("/player/boy_left_2.png")));
+            right1 = ImageIO.read(Objects.requireNonNull(getClass().getResourceAsStream("/player/boy_right_1.png")));
+            right2 = ImageIO.read(Objects.requireNonNull(getClass().getResourceAsStream("/player/boy_right_2.png")));
+        }catch (IOException e){
+            e.printStackTrace();
+        }
+    }
+
+    public void update(){
+        if(keyHandler.upPressed || keyHandler.downPressed
+        || keyHandler.leftPressed || keyHandler.rightPressed) {
+            if (keyHandler.upPressed) {
+                direction = "up";
+            }
+            if (keyHandler.downPressed) {
+                direction = "down";
+            }
+            if (keyHandler.leftPressed) {
+                direction = "left";
+            }
+            if (keyHandler.rightPressed) {
+                direction = "right";
+            }
+
+            //Check tile collision
+            collisionOn = false;
+            gamePanel.collisionChecker.checkTile(gamePanel.player);
+            int objectIndex = gamePanel.collisionChecker.checkObject(this,true);
+            pickUpObject(objectIndex);
+            if(!collisionOn){
+                switch (direction){
+                    case "up" -> worldY -= speed;
+                    case "down" -> worldY += speed;
+                    case "left" -> worldX -= speed;
+                    case "right" -> worldX += speed;
+                }
+            }
+
+            spriteCount++;
+            if (spriteCount == 30) {
+                if (spriteNum == 1) {
+                    spriteNum = 2;
+                } else if (spriteNum == 2) {
+                    spriteNum = 1;
+                }
+                spriteCount = 0;
+            }
+        }
+    }
+
+    public void pickUpObject(int objectIndex){
+        if(objectIndex != 999){
+            String objectName = gamePanel.obj[objectIndex].name;
+            switch (objectName){
+                case "Key" -> {
+                    gamePanel.playSE(1);
+                    hasKey++;
+                    gamePanel.obj[objectIndex] = null;
+                }
+                case "Door" -> {
+                    if(hasKey > 0 ){
+                        gamePanel.playSE(3);
+                        gamePanel.obj[objectIndex] = null;
+                        hasKey--;
+                    }
+                }
+                case "Boots" -> {
+                    gamePanel.playSE(2);
+                    speed += 1;
+                    gamePanel.obj[objectIndex] = null;
+                }
+            }
+        }
+    }
+
+    public void draw(Graphics2D g2d){
+        BufferedImage image = null;
+        switch(direction){
+            case "up" -> image = spriteNum == 1 ? up1 : up2;
+            case "down" -> image = spriteNum == 1 ? down1 : down2;
+            case "left" -> image = spriteNum == 1 ? left1 : left2;
+            case "right" -> image = spriteNum == 1 ? right1 : right2;
+        }
+
+        g2d.drawImage(image, screenX, screenY, gamePanel.tileSize, gamePanel.tileSize, null);
+    }
+
+    private void drawRectangel(Graphics2D g2d) {
+        int num = (worldX - 24) / gamePanel.tileSize;
+        int num2 = (worldY - 24) / gamePanel.tileSize;
+        g2d.drawRect(screenX - gamePanel.tileSize, screenY - gamePanel.tileSize, 48, 48);
+        g2d.drawString("" + num + "," + num2, screenX - gamePanel.tileSize + 10, screenY - gamePanel.tileSize + 20);
+    }
+}

src/main/java/main/AssetSetter.java

@@ -0,0 +1,24 @@
+package main;
+
+import object.Boots;
+import object.Chest;
+import object.Door;
+import object.Key;
+
+public class AssetSetter {
+    GamePanel gamePanel;
+    public AssetSetter(GamePanel gamePanel) {
+        this.gamePanel = gamePanel;
+    }
+
+    public void setObject() {
+        gamePanel.obj[0] = new Key(23 * gamePanel.tileSize, 7 * gamePanel.tileSize);
+        gamePanel.obj[1] = new Key(23 * gamePanel.tileSize, 40 * gamePanel.tileSize);
+        gamePanel.obj[2] = new Key(38 * gamePanel.tileSize, 9 * gamePanel.tileSize);
+        gamePanel.obj[3] = new Door(10 * gamePanel.tileSize, 11 * gamePanel.tileSize);
+        gamePanel.obj[4] = new Door(8 * gamePanel.tileSize, 28 * gamePanel.tileSize);
+        gamePanel.obj[5] = new Door(12 * gamePanel.tileSize, 22 * gamePanel.tileSize);
+        gamePanel.obj[6] = new Chest(10 * gamePanel.tileSize, 7 * gamePanel.tileSize);
+        gamePanel.obj[7] = new Boots(37 * gamePanel.tileSize, 42 * gamePanel.tileSize);
+    }
+}

src/main/java/main/CollisionChecker.java

@@ -0,0 +1,122 @@
+package main;
+
+import entity.Entity;
+
+public class CollisionChecker {
+
+    private final GamePanel gamePanel;
+
+    public CollisionChecker(GamePanel gamePanel) {
+        this.gamePanel = gamePanel;
+    }
+
+    public void checkTile(Entity entity) {
+        int entityLeftWorldX = entity.worldX + entity.solidArea.x;
+        int entityRightWorldX = entity.worldX + entity.solidArea.x + entity.solidArea.width;
+        int entityTopWorldY = entity.worldY + entity.solidArea.y;
+        int entityBottomWorldY = entity.worldY + entity.solidArea.y + entity.solidArea.height;
+
+        int entityLeftCol = entityLeftWorldX/gamePanel.tileSize;
+        int entityRightCol = entityRightWorldX/gamePanel.tileSize;
+        int entityTopRow = entityTopWorldY/gamePanel.tileSize;
+        int entityBottomRow = entityBottomWorldY/gamePanel.tileSize;
+
+        int tileNum1;
+        int tileNum2;
+
+        switch (entity.direction){
+            case "up" -> {
+                entityTopRow = (entityTopWorldY - entity.speed)/gamePanel.tileSize;
+                tileNum1 = gamePanel.tileManager.mapTileNum[entityTopRow][entityLeftCol];
+                tileNum2 = gamePanel.tileManager.mapTileNum[entityTopRow][entityRightCol];
+                if(gamePanel.tileManager.tiles[tileNum1].collission || gamePanel.tileManager.tiles[tileNum2].collission){
+                    entity.collisionOn = true;
+                }
+            }
+            case "down" -> {
+                entityBottomRow = (entityBottomWorldY + entity.speed)/gamePanel.tileSize;
+                tileNum1 = gamePanel.tileManager.mapTileNum[entityBottomRow][entityLeftCol];
+                tileNum2 = gamePanel.tileManager.mapTileNum[entityBottomRow][entityRightCol];
+                if(gamePanel.tileManager.tiles[tileNum1].collission || gamePanel.tileManager.tiles[tileNum2].collission){
+                    entity.collisionOn = true;
+                }
+            }
+            case "left" -> {
+                entityLeftCol = (entityLeftWorldX - entity.speed)/gamePanel.tileSize;
+                tileNum1 = gamePanel.tileManager.mapTileNum[entityTopRow][entityLeftCol];
+                tileNum2 = gamePanel.tileManager.mapTileNum[entityBottomRow][entityLeftCol];
+                if(gamePanel.tileManager.tiles[tileNum1].collission || gamePanel.tileManager.tiles[tileNum2].collission){
+                    entity.collisionOn = true;
+                }
+            }
+            case "right" -> {
+                entityRightCol = (entityRightWorldX + entity.speed)/gamePanel.tileSize;
+                tileNum1 = gamePanel.tileManager.mapTileNum[entityTopRow][entityRightCol];
+                tileNum2 = gamePanel.tileManager.mapTileNum[entityBottomRow][entityRightCol];
+                if(gamePanel.tileManager.tiles[tileNum1].collission || gamePanel.tileManager.tiles[tileNum2].collission){
+                    entity.collisionOn = true;
+                }
+            }
+        }
+    }
+    public int checkObject(Entity entity, boolean player) {
+        int index = 999;
+        for (int i = 0; i < gamePanel.obj.length; i++) {
+            if(gamePanel.obj[i] != null){
+                entity.solidArea.x = entity.worldX + entity.solidArea.x;
+                entity.solidArea.y = entity.worldY + entity.solidArea.y;
+                gamePanel.obj[i].solidArea.x = gamePanel.obj[i].worldX + gamePanel.obj[i].solidArea.x;
+                gamePanel.obj[i].solidArea.y = gamePanel.obj[i].worldY + gamePanel.obj[i].solidArea.y;
+
+                switch (entity.direction){
+                    case "up" -> {
+                        entity.solidArea.y -= entity.speed;
+                        if(entity.solidArea.intersects(gamePanel.obj[i].solidArea)){
+                            if(gamePanel.obj[i].collision){
+                                entity.collisionOn = true;
+                            }
+                            if(player){
+                                index = i;
+                            }
+                        }
+                    }
+                    case "down" -> {
+                        entity.solidArea.y += entity.speed;
+                        if(entity.solidArea.intersects(gamePanel.obj[i].solidArea)){
+                            if(gamePanel.obj[i].collision){
+                                entity.collisionOn = true;
+                            }
+                            if(player){
+                                index = i;
+                            }                        }
+                    }
+                    case "left" -> {
+                        entity.solidArea.x -= entity.speed;
+                        if(entity.solidArea.intersects(gamePanel.obj[i].solidArea)){
+                            if(gamePanel.obj[i].collision){
+                                entity.collisionOn = true;
+                            }
+                            if(player){
+                                index = i;
+                            }                        }
+                    }
+                    case "right" -> {
+                        entity.solidArea.x += entity.speed;
+                        if(entity.solidArea.intersects(gamePanel.obj[i].solidArea)){
+                            if(gamePanel.obj[i].collision){
+                                entity.collisionOn = true;
+                            }
+                            if(player){
+                                index = i;
+                            }                        }
+                    }
+                }
+                entity.solidArea.x = entity.solidAreaDefaultX;
+                entity.solidArea.y = entity.solidAreaDefaultY;
+                gamePanel.obj[i].solidArea.x = gamePanel.obj[i].solidAreaDefaultX;
+                gamePanel.obj[i].solidArea.y = gamePanel.obj[i].solidAreaDefaultY;
+            }
+        }
+        return index;
+    }
+}

src/main/java/main/GamePanel.java

@@ -0,0 +1,126 @@
+package main;
+
+import entity.Player;
+import object.SuperObject;
+import tile.TileManager;
+
+import javax.swing.*;
+import java.awt.*;
+import java.util.Arrays;
+import java.util.Objects;
+
+public class GamePanel extends JPanel implements Runnable {
+    private final static int FPS_SET = 120;
+    private final static int UPS_SET = 200;
+    private final static double timePerFrame = 1000000000.0 / FPS_SET;
+    private final static double timePerUpdate = 1000000000.0 / UPS_SET;
+
+    //SCREEN SETTINGS
+    int originalTileSize = 16;
+    int scale = 3;
+    public int tileSize = originalTileSize * scale;
+    public int maxScreenCol =  16;
+    public int maxScreenRow =  12;
+    public int screenWidth = maxScreenCol * tileSize;
+    public int screenHeight = maxScreenRow * tileSize;
+
+    //WORLD
+    public final int maxWorldCol = 50;
+    public final int maxWorldRow = 50;
+
+    // SYSTEM
+    TileManager tileManager = new TileManager(this);
+    KeyHandler keyHandler = new KeyHandler();
+    Sound sound = new Sound();
+    public CollisionChecker collisionChecker = new CollisionChecker(this);
+    public AssetSetter assetSetter = new AssetSetter(this);
+    Thread gameThread;
+
+    //ENTITY AND OBJECT
+    public Player player = new Player(this, keyHandler);
+    public SuperObject[] obj = new SuperObject[10];
+
+    public GamePanel() {
+        this.setPreferredSize(new Dimension(screenWidth, screenHeight));
+        this.setBackground(Color.BLACK);
+        this.setDoubleBuffered(true);
+        this.addKeyListener(keyHandler);
+        this.setFocusable(true);
+    }
+
+    public void setupGame(){
+        assetSetter.setObject();
+        playMusic(0);
+    }
+
+    public void startGameThread() {
+        this.gameThread = new Thread(this);
+        gameThread.start();
+    }
+    public void update(){
+        player.update();
+    }
+    public void paintComponent(Graphics g) {
+        super.paintComponent(g);
+        Graphics2D g2d = (Graphics2D) g;
+
+        tileManager.draw(g2d);
+        Arrays.stream(obj)
+                .filter(Objects::nonNull)
+                .forEach(o -> o.draw(g2d, this));
+        player.draw(g2d);
+        g2d.dispose();
+    }
+
+    public void playMusic(int i) {
+        sound.setFile(i);
+        sound.play();
+        sound.loop();
+    }
+    public void stopMusic() {
+        sound.stop();
+    }
+    public void playSE(int i) {
+        sound.setFile(i);
+        sound.play();
+    }
+
+    @Override
+    public void run() {
+        long previousTime = System.nanoTime();
+
+        int frames = 0;
+        int updates = 0;
+        long lastCheck = System.currentTimeMillis();
+
+        double deltaU = 0;
+        double deltaF = 0;
+
+        while (gameThread !=null && gameThread.isAlive()) {
+            long currentTime = System.nanoTime();
+            deltaU += (currentTime - previousTime) / timePerUpdate;
+            deltaF += (currentTime - previousTime) / timePerFrame;
+
+            previousTime = currentTime;
+
+            if (deltaU >= 1) {
+                update();
+                updates++;
+                deltaU--;
+            }
+
+            if (deltaF >= 1) {
+                repaint();
+                frames++;
+                deltaF--;
+            }
+
+            if (System.currentTimeMillis() - lastCheck >= 1000) {
+                lastCheck = System.currentTimeMillis();
+                System.out.println("FPS: " + frames + " | UPS: " + updates);
+                frames = 0;
+                updates = 0;
+            }
+        }
+    }
+}

src/main/java/main/KeyHandler.java

@@ -0,0 +1,48 @@
+package main;
+
+import java.awt.event.KeyEvent;
+import java.awt.event.KeyListener;
+
+public class KeyHandler implements KeyListener {
+    public boolean upPressed;
+    public boolean leftPressed;
+    public boolean downPressed;
+    public boolean rightPressed;
+
+    @Override
+    public void keyTyped(KeyEvent e) {}
+
+    @Override
+    public void keyPressed(KeyEvent e) {
+        int keyCode = e.getKeyCode();
+        if (keyCode == KeyEvent.VK_W) {
+            upPressed = true;
+        }
+        if (keyCode == KeyEvent.VK_S) {
+            downPressed = true;
+        }
+        if (keyCode == KeyEvent.VK_A) {
+            leftPressed = true;
+        }
+        if (keyCode == KeyEvent.VK_D) {
+            rightPressed = true;
+        }
+    }
+
+    @Override
+    public void keyReleased(KeyEvent e) {
+        int keyCode = e.getKeyCode();
+        if (keyCode == KeyEvent.VK_W) {
+            upPressed = false;
+        }
+        if (keyCode == KeyEvent.VK_S) {
+            downPressed = false;
+        }
+        if (keyCode == KeyEvent.VK_A) {
+            leftPressed = false;
+        }
+        if (keyCode == KeyEvent.VK_D) {
+            rightPressed = false;
+        }
+    }
+}

src/main/java/main/Main.java

@@ -0,0 +1,23 @@
+package main;
+
+import javax.swing.*;
+
+public class Main {
+    public static void main(String[] args) {
+        JFrame window = new JFrame();
+        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        window.setResizable(false);
+        window.setTitle("2d");
+
+        GamePanel gamePanel = new GamePanel();
+        window.add(gamePanel);
+
+        window.pack();
+
+        window.setLocationRelativeTo(null);
+        window.setVisible(true);
+
+        gamePanel.setupGame();
+        gamePanel.startGameThread();
+    }
+}

src/main/java/main/Sound.java

@@ -0,0 +1,36 @@
+package main;
+
+import javax.sound.sampled.*;
+import java.io.IOException;
+import java.net.URL;
+
+public class Sound {
+    Clip clip;
+    URL[] soundUrl = new URL[30];
+
+    public Sound() {
+        soundUrl[0] = Sound.class.getResource("/sound/BlueBoyAdventure.wav");
+        soundUrl[1] = Sound.class.getResource("/sound/coin.wav");
+        soundUrl[2] = Sound.class.getResource("/sound/powerup.wav");
+        soundUrl[3] = Sound.class.getResource("/sound/unlock.wav");
+        soundUrl[4] = Sound.class.getResource("/sound/fanfare.wav");
+    }
+    public void setFile(int i){
+        try {
+            AudioInputStream ais = AudioSystem.getAudioInputStream(soundUrl[i]);
+            clip = AudioSystem.getClip();
+            clip.open(ais);
+        } catch (UnsupportedAudioFileException | IOException | LineUnavailableException e) {
+            e.printStackTrace();
+        }
+    }
+    public void play() {
+        clip.start();
+    }
+    public void loop() {
+        clip.loop(Clip.LOOP_CONTINUOUSLY);
+    }
+    public void stop() {
+        clip.stop();
+    }
+}

src/main/java/object/Boots.java

@@ -0,0 +1,18 @@
+package object;
+
+import javax.imageio.ImageIO;
+import java.io.IOException;
+
+public class Boots extends SuperObject{
+    public Boots(int x, int y) {
+        name = "Boots";
+        worldX = x;
+        worldY = y;
+
+        try{
+            image = ImageIO.read(getClass().getResourceAsStream("/objects/boots.png"));
+        }catch(IOException e){
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/object/Chest.java

@@ -0,0 +1,18 @@
+package object;
+
+import javax.imageio.ImageIO;
+import java.io.IOException;
+
+public class Chest extends SuperObject{
+    public Chest(int x, int y) {
+        name = "Chest";
+        worldX = x;
+        worldY = y;
+
+        try{
+            image = ImageIO.read(getClass().getResourceAsStream("/objects/chest.png"));
+        }catch(IOException e){
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/object/Door.java

@@ -0,0 +1,19 @@
+package object;
+
+import javax.imageio.ImageIO;
+import java.io.IOException;
+
+public class Door extends SuperObject{
+    public Door(int x, int y) {
+        name = "Door";
+        worldX = x;
+        worldY = y;
+
+        try{
+            image = ImageIO.read(getClass().getResourceAsStream("/objects/door.png"));
+        }catch(IOException e){
+            e.printStackTrace();
+        }
+        collision = true;
+    }
+}

src/main/java/object/Key.java

@@ -0,0 +1,18 @@
+package object;
+
+import javax.imageio.ImageIO;
+import java.io.IOException;
+
+public class Key extends SuperObject{
+    public Key(int x, int y) {
+        name = "Key";
+        worldX = x;
+        worldY = y;
+
+        try{
+            image = ImageIO.read(getClass().getResourceAsStream("/objects/key.png"));
+        }catch(IOException e){
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/object/SuperObject.java

@@ -0,0 +1,29 @@
+package object;
+
+import main.GamePanel;
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+
+public class SuperObject {
+    public String name;
+    public BufferedImage image;
+    public boolean collision = false;
+    public int worldX;
+    public int worldY;
+    public Rectangle solidArea = new Rectangle(0,0,48,48);
+    public int solidAreaDefaultX = 0;
+    public int solidAreaDefaultY = 0;
+
+    public void draw(Graphics2D g2d, GamePanel gamePanel) {
+        // Only drawImage for tiles within camera
+        if (worldX + gamePanel.tileSize> gamePanel.player.worldX - gamePanel.player.screenX &&
+                worldX -gamePanel.tileSize < gamePanel.player.worldX + gamePanel.player.screenX &&
+                worldY + gamePanel.tileSize > gamePanel.player.worldY - gamePanel.player.screenY &&
+                worldY - gamePanel.tileSize < gamePanel.player.worldY + gamePanel.player.screenY) {
+            int screenX = worldX - gamePanel.player.worldX + gamePanel.player.screenX;
+            int screenY = worldY - gamePanel.player.worldY + gamePanel.player.screenY;
+            g2d.drawImage(image, screenX, screenY, gamePanel.tileSize, gamePanel.tileSize, null);
+        }
+    }
+}

src/main/java/tile/Tile.java

@@ -0,0 +1,8 @@
+package tile;
+
+import java.awt.image.BufferedImage;
+
+public class Tile {
+    public BufferedImage image;
+    public boolean collission = false;
+}

src/main/java/tile/TileManager.java

@@ -0,0 +1,99 @@
+package tile;
+
+import main.GamePanel;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+
+public class TileManager {
+    GamePanel gp;
+    public  Tile[] tiles = new Tile[10];
+    public int[][] mapTileNum;
+
+    public TileManager(GamePanel gp) {
+        this.gp = gp;
+        getTileImage();
+        this.mapTileNum = loadMap("/maps/world01.txt");
+    }
+
+    public int[][] loadMap(String path) {
+        int[][] map = new int[gp.maxWorldRow][gp.maxWorldCol];
+        try {
+            InputStream stream = GamePanel.class.getResourceAsStream(path);
+            BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
+            int row = 0;
+            String line;
+            while ((line = reader.readLine()) != null && row < gp.maxWorldRow) {
+                map[row++] = Arrays.stream(line.split(" "))
+                        .mapToInt(Integer::parseInt)
+                        .toArray();
+            }
+            reader.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return map;
+    }
+
+    public void getTileImage() {
+        try {
+            tiles[0] = new Tile();
+            tiles[0].image = ImageIO.read(GamePanel.class.getResourceAsStream("/tiles/grass.png"));
+
+            tiles[1] = new Tile();
+            tiles[1].image = ImageIO.read(GamePanel.class.getResourceAsStream("/tiles/wall.png"));
+            tiles[1].collission = true;
+
+            tiles[2] = new Tile();
+            tiles[2].image = ImageIO.read(GamePanel.class.getResourceAsStream("/tiles/water.png"));
+            tiles[2].collission = true;
+
+            tiles[3] = new Tile();
+            tiles[3].image = ImageIO.read(GamePanel.class.getResourceAsStream("/tiles/earth.png"));
+
+            tiles[4] = new Tile();
+            tiles[4].image = ImageIO.read(GamePanel.class.getResourceAsStream("/tiles/tree.png"));
+            tiles[4].collission = true;
+
+            tiles[5] = new Tile();
+            tiles[5].image = ImageIO.read(GamePanel.class.getResourceAsStream("/tiles/sand.png"));
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void draw(Graphics2D g2d) {
+        int worldCol = 0;
+        int worldRow = 0;
+
+        while (worldCol < gp.maxWorldCol && worldRow < gp.maxWorldRow) {
+            int tileNum = mapTileNum[worldRow][worldCol];
+
+            int worldX = worldCol * gp.tileSize;
+            int worldY = worldRow * gp.tileSize;
+
+            // Only drawImage for tiles within camera
+            if (worldX + gp.tileSize> gp.player.worldX - gp.player.screenX &&
+                    worldX -gp.tileSize < gp.player.worldX + gp.player.screenX &&
+                    worldY + gp.tileSize > gp.player.worldY - gp.player.screenY &&
+                    worldY - gp.tileSize < gp.player.worldY + gp.player.screenY) {
+                int screenX = worldX - gp.player.worldX + gp.player.screenX;
+                int screenY = worldY - gp.player.worldY + gp.player.screenY;
+                g2d.drawImage(tiles[tileNum].image, screenX, screenY, gp.tileSize, gp.tileSize, null);
+            }
+
+            worldCol++;
+
+            if (worldCol == gp.maxWorldCol) {
+                worldCol = 0;
+                worldRow++;
+            }
+        }
+    }
+}

src/main/resources/maps/map01.txt

@@ -0,0 +1,12 @@
+1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1
+1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
+1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
+1 0 0 0 0 0 2 2 0 0 0 0 0 0 0 1
+1 0 0 0 0 2 2 2 2 0 0 0 0 0 0 1
+1 0 0 0 0 2 2 2 2 0 0 0 0 0 0 1
+1 0 0 0 0 2 2 2 2 2 0 0 0 0 0 1
+1 0 0 0 0 2 2 2 2 0 0 0 0 0 0 1
+1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 1
+1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
+1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
+1 1 1 0 0 1 1 1 1 1 1 1 1 1 1 1

src/main/resources/maps/world01.txt

@@ -0,0 +1,50 @@
+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 
+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 
+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 0 2 2 2 2 2 0 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 
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+4 4 4 4 4 4 4 4 1 1 1 1 1 4 4 4 4 4 4 4 4 2 2 2 2 2 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 
+4 4 4 4 4 4 4 4 1 3 3 3 1 4 4 4 4 4 4 4 0 0 0 5 0 0 0 4 4 4 4 4 4 0 5 5 5 5 5 5 5 4 4 4 4 4 4 4 4 4 
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+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 

src/main/resources/maps/world02.txt

@@ -0,0 +1,50 @@
+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0
+4 4 4 4 4 4 4 4 4 4 4 4 4 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0
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