added collision to NPCs

src/de/miaurizius/jgame2d/core/AssetSetter.java

@@ -1,15 +0,0 @@
-package de.miaurizius.jgame2d.core;
-
-public class AssetSetter {
-
-    GamePanel panel;
-
-    public AssetSetter(GamePanel panel) {
-        this.panel = panel;
-    }
-
-    public void setObject() {
-
-    }
-
-}

src/de/miaurizius/jgame2d/core/GamePanel.java

@@ -1,5 +1,11 @@
 package de.miaurizius.jgame2d.core;
 
+import de.miaurizius.jgame2d.core.enums.GameState;
+import de.miaurizius.jgame2d.core.handlers.AssetSetter;
+import de.miaurizius.jgame2d.core.handlers.CollisionHandler;
+import de.miaurizius.jgame2d.core.handlers.KeyHandler;
+import de.miaurizius.jgame2d.core.handlers.Sound;
+import de.miaurizius.jgame2d.entity.Entity;
 import de.miaurizius.jgame2d.entity.Player;
 import de.miaurizius.jgame2d.object.SuperObject;
 import de.miaurizius.jgame2d.tile.TileManager;
@@ -30,7 +36,7 @@ public class GamePanel extends JPanel implements Runnable {
     int FPS = 60;
 
     // SYSTEM
-    TileManager tileM = new TileManager(this);
+    public TileManager tileM = new TileManager(this);
     KeyHandler keyH = new KeyHandler(this);
     Sound se = new Sound();
     Sound music = new Sound();
@@ -42,6 +48,7 @@ public class GamePanel extends JPanel implements Runnable {
     // ENTITY AND OBJECT
     public Player player = new Player(this, keyH);
     public SuperObject[] obj = new SuperObject[10];
+    public Entity[] npc = new Entity[10];
 
     // GAME STATE
     public GameState gameState;
@@ -56,6 +63,7 @@ public class GamePanel extends JPanel implements Runnable {
 
     public void setupGame() {
         assetSetter.setObject();
+        assetSetter.setNPC();
         playMusic(0); //Play main theme
         gameState = GameState.PLAY;
     }
@@ -98,6 +106,7 @@ public class GamePanel extends JPanel implements Runnable {
         switch(gameState) {
             case PLAY:
                 player.update();
+                for(Entity entity : npc) if(entity != null) entity.update();
                 break;
             case PAUSE:
                 break;
@@ -112,9 +121,10 @@ public class GamePanel extends JPanel implements Runnable {
         long drawStart = 0;
         drawStart = System.nanoTime();
 
-        //Draw all components
+        // COMPONENTS
         tileM.draw(graphics2d);
         for (SuperObject superObject : obj) if (superObject != null) superObject.draw(graphics2d, this);
+        for(Entity npc : npc) if(npc != null) npc.draw(graphics2d);
         player.draw(graphics2d);
         ui.draw(graphics2d);
 

src/de/miaurizius/jgame2d/core/UI.java

@@ -1,21 +1,14 @@
 package de.miaurizius.jgame2d.core;
 
+import de.miaurizius.jgame2d.core.enums.GameState;
+
 import java.awt.*;
-import java.text.DecimalFormat;
 
 public class UI {
 
     GamePanel panel;
     Graphics graphics2d;
     Font arial_40, arial_80B;
-    DecimalFormat df = new DecimalFormat("#0.00");
-
-    public boolean messageOn = false;
-    public String message;
-    public boolean gameFinished = false;
-
-    int msgC = 0;
-    double playTime;
 
     public UI(GamePanel panel) {
         this.panel = panel;
@@ -23,27 +16,24 @@ public class UI {
         arial_80B = new Font("Arial", Font.BOLD, 80);
     }
 
-    public void showMessage(String text) {
-        message = text;
-        messageOn = true;
-    }
-
     public void draw(Graphics graphics2d) {
         this.graphics2d = graphics2d;
         graphics2d.setFont(arial_40);
         graphics2d.setColor(Color.white);
 
+        if(panel.gameState == null) return;
         switch (panel.gameState) {
-            case PLAY:
+            case GameState.PLAY:
 
                 break;
-            case PAUSE:
+            case GameState.PAUSE:
                 drawPauseScreen();
                 break;
         }
     }
 
     public void drawPauseScreen() {
+        graphics2d.setFont(graphics2d.getFont().deriveFont(Font.PLAIN, 80));
         String text = "PAUSED";
         int y = panel.screenHeight / 2;
         graphics2d.drawString(text, getCenteredX(text), y);

src/de/miaurizius/jgame2d/core/enums/Direction.java

@@ -1,4 +1,4 @@
-package de.miaurizius.jgame2d.core;
+package de.miaurizius.jgame2d.core.enums;
 
 public enum Direction {
 

src/de/miaurizius/jgame2d/core/enums/GameState.java

@@ -1,4 +1,4 @@
-package de.miaurizius.jgame2d.core;
+package de.miaurizius.jgame2d.core.enums;
 
 public enum GameState {
 

src/de/miaurizius/jgame2d/core/handlers/AssetSetter.java

@@ -0,0 +1,24 @@
+package de.miaurizius.jgame2d.core.handlers;
+
+import de.miaurizius.jgame2d.core.GamePanel;
+import de.miaurizius.jgame2d.entity.OldManNPC;
+
+public class AssetSetter {
+
+    GamePanel panel;
+
+    public AssetSetter(GamePanel panel) {
+        this.panel = panel;
+    }
+
+    public void setObject() {
+
+    }
+
+    public void setNPC() {
+        panel.npc[0] = new OldManNPC(panel);
+        panel.npc[0].worldX = panel.tileSize*21;
+        panel.npc[0].worldY = panel.tileSize*21;
+    }
+
+}

src/de/miaurizius/jgame2d/core/handlers/CollisionHandler.java

@@ -1,5 +1,6 @@
-package de.miaurizius.jgame2d.core;
+package de.miaurizius.jgame2d.core.handlers;
 
+import de.miaurizius.jgame2d.core.GamePanel;
 import de.miaurizius.jgame2d.entity.Entity;
 import de.miaurizius.jgame2d.object.SuperObject;
 
@@ -105,4 +106,89 @@ public class CollisionHandler {
         return index;
     }
 
+    //NPC OR MONSTER COLLISION
+    public int checkEntity(Entity entity, Entity[] target) {
+        int index = 999;
+        int c = -1;
+
+        for(Entity e : target) {
+            c++;
+            if (e != null) {
+
+                entity.solidArea.x += entity.worldX;
+                entity.solidArea.y += entity.worldY;
+
+                e.solidArea.x += e.worldX;
+                e.solidArea.y += e.worldY;
+
+                switch (entity.direction) {
+                    case UP:
+                        entity.solidArea.y -= entity.speed;
+                        if (entity.solidArea.intersects(e.solidArea)) {
+                            entity.collisionOn = true;
+                            index = c;
+                        }
+                        break;
+                    case DOWN:
+                        entity.solidArea.y += entity.speed;
+                        if (entity.solidArea.intersects(e.solidArea)) {
+                            entity.collisionOn = true;
+                            index = c;
+                        }
+                        break;
+                    case LEFT:
+                        entity.solidArea.x -= entity.speed;
+                        if (entity.solidArea.intersects(e.solidArea)) {
+                            entity.collisionOn = true;
+                            index = c;
+                        }
+                        break;
+                    case RIGHT:
+                        entity.solidArea.x += entity.speed;
+                        if (entity.solidArea.intersects(e.solidArea)) {
+                            entity.collisionOn = true;
+                            index = c;
+                        }
+                        break;
+                }
+                entity.solidArea.x = entity.solidAreaDefaultX;
+                entity.solidArea.y = entity.solidAreaDefaultY;
+                e.solidArea.x = e.solidAreaDefaultX;
+                e.solidArea.y = e.solidAreaDefaultY;
+            }
+        }
+        return index;
+    }
+
+    public void checkPlayer(Entity entity) {
+        entity.solidArea.x += entity.worldX;
+        entity.solidArea.y += entity.worldY;
+
+        panel.player.solidArea.x += panel.player.worldX;
+        panel.player.solidArea.y += panel.player.worldY;
+
+        switch (entity.direction) {
+            case UP:
+                entity.solidArea.y -= entity.speed;
+                if (entity.solidArea.intersects(panel.player.solidArea)) entity.collisionOn = true;
+                break;
+            case DOWN:
+                entity.solidArea.y += entity.speed;
+                if (entity.solidArea.intersects(panel.player.solidArea)) entity.collisionOn = true;
+                break;
+            case LEFT:
+                entity.solidArea.x -= entity.speed;
+                if (entity.solidArea.intersects(panel.player.solidArea)) entity.collisionOn = true;
+                break;
+            case RIGHT:
+                entity.solidArea.x += entity.speed;
+                if (entity.solidArea.intersects(panel.player.solidArea)) entity.collisionOn = true;
+                break;
+        }
+        entity.solidArea.x = entity.solidAreaDefaultX;
+        entity.solidArea.y = entity.solidAreaDefaultY;
+        panel.player.solidArea.x = panel.player.solidAreaDefaultX;
+        panel.player.solidArea.y = panel.player.solidAreaDefaultY;
+    }
+
 }

src/de/miaurizius/jgame2d/core/handlers/KeyHandler.java

@@ -1,4 +1,7 @@
-package de.miaurizius.jgame2d.core;
+package de.miaurizius.jgame2d.core.handlers;
+
+import de.miaurizius.jgame2d.core.GamePanel;
+import de.miaurizius.jgame2d.core.enums.GameState;
 
 import java.awt.event.KeyEvent;
 import java.awt.event.KeyListener;

src/de/miaurizius/jgame2d/core/handlers/Sound.java

@@ -1,4 +1,6 @@
-package de.miaurizius.jgame2d.core;
+package de.miaurizius.jgame2d.core.handlers;
+
+import de.miaurizius.jgame2d.core.Boot;
 
 import javax.sound.sampled.AudioInputStream;
 import javax.sound.sampled.AudioSystem;
@@ -7,7 +9,6 @@ import java.io.File;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.logging.Level;
-import java.util.logging.Logger;
 
 public class Sound {
 
@@ -32,7 +33,7 @@ public class Sound {
             clip = AudioSystem.getClip();
             clip.open(ais);
         } catch (Exception e) {
-            e.printStackTrace();
+            Boot.logger.log(Level.SEVERE, "Could not load Sound File: " + soundURL[i], e);
         }
     }
 

src/de/miaurizius/jgame2d/entity/Entity.java

@@ -1,23 +1,86 @@
 package de.miaurizius.jgame2d.entity;
 
-import de.miaurizius.jgame2d.core.Direction;
+import de.miaurizius.jgame2d.core.Boot;
+import de.miaurizius.jgame2d.core.enums.Direction;
+import de.miaurizius.jgame2d.core.GamePanel;
+import de.miaurizius.jgame2d.core.Utility;
 
+import javax.imageio.ImageIO;
 import java.awt.*;
 import java.awt.image.BufferedImage;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.logging.Level;
 
 public class Entity {
 
+    GamePanel panel;
     public int worldX, worldY;
     public int speed;
-
     public BufferedImage up1, up2, down1, down2, left1, left2, right1, right2;
     public Direction direction;
-
     public int spriteCounter = 0;
     public int spriteNum = 1;
-
-    public Rectangle solidArea;
+    public Rectangle solidArea = new Rectangle(0, 0, 48, 48);
     public int solidAreaDefaultX,  solidAreaDefaultY;
     public boolean collisionOn = false;
+    public int actionLock = 0;
+
+    public Entity(GamePanel panel) {
+        this.panel = panel;
+    }
+
+    public void setAction() {}
+    public void update() {
+        setAction();
+        collisionOn = false;
+        panel.collisionH.checkTile(this);
+        panel.collisionH.checkObject(this, false);
+        panel.collisionH.checkPlayer(this);
+
+        if(!collisionOn) {
+            switch (direction) {
+                case UP -> worldY -= speed;
+                case DOWN -> worldY += speed;
+                case LEFT ->worldX -= speed;
+                case RIGHT -> worldX += speed;
+            }
+        }
+
+        spriteCounter++;
+        if(spriteCounter > 12) {
+            if(spriteNum == 1) spriteNum = 2;
+            else if(spriteNum == 2) spriteNum = 1;
+            else spriteNum = 0;
+        }
+    }
+
+    public void draw(Graphics graphics2d) {
+        int screenX = worldX - panel.player.worldX + panel.player.screenX;
+        int screenY = worldY - panel.player.worldY + panel.player.screenY;
+
+        if(worldX + panel.tileSize > panel.player.worldX - panel.player.screenX &&
+                worldX - panel.tileSize < panel.player.worldX + panel.player.screenX &&
+                worldY + panel.tileSize > panel.player.worldY - panel.player.screenY &&
+                worldY - panel.tileSize < panel.player.worldY + panel.player.screenY
+        ) {
+            BufferedImage image = switch (direction) {
+                case UP -> (spriteNum == 1) ? up1 : up2;
+                case DOWN -> (spriteNum == 1) ? down1 : down2;
+                case LEFT -> (spriteNum == 1) ? left1 : left2;
+                case RIGHT -> (spriteNum == 1) ? right1 : right2;
+            };
+            graphics2d.drawImage(image, screenX, screenY, panel.tileSize, panel.tileSize, null);
+        }
+    }
+
+    public BufferedImage initEntitySprites(String name) {
+        try {
+            return Utility.scaleImage(ImageIO.read(new FileInputStream("assets/" + name + ".png")), panel.tileSize, panel.tileSize);
+        } catch (IOException e) {
+            Boot.logger.log(Level.SEVERE, "Could not load entity-image", e);
+        }
+        return null;
+    }
 
 }

src/de/miaurizius/jgame2d/entity/OldManNPC.java

@@ -0,0 +1,42 @@
+package de.miaurizius.jgame2d.entity;
+
+import de.miaurizius.jgame2d.core.enums.Direction;
+import de.miaurizius.jgame2d.core.GamePanel;
+
+import java.util.Random;
+
+public class OldManNPC extends Entity {
+
+    public OldManNPC(GamePanel panel) {
+        super(panel);
+
+        direction = Direction.DOWN;
+        speed = 1;
+        getImage();
+    }
+
+    public void getImage()  {
+        up1 = initEntitySprites("npc/oldman_up_1");
+        up2 = initEntitySprites("npc/oldman_up_2");
+        down1 = initEntitySprites("npc/oldman_down_1");
+        down2 = initEntitySprites("npc/oldman_down_2");
+        left1 = initEntitySprites("npc/oldman_left_1");
+        left2 = initEntitySprites("npc/oldman_left_2");
+        right1 = initEntitySprites("npc/oldman_right_1");
+        right2 = initEntitySprites("npc/oldman_right_2");
+    }
+
+    public void setAction() {
+        actionLock++;
+        if(actionLock != 120) return; //lock action for x frames
+        Random rand = new Random();
+        int i = rand.nextInt(100)+1; //Generate number between 1 and 100
+        if(i <= 25) direction = Direction.UP;
+        if(i > 25 && i <= 50) direction = Direction.DOWN;
+        if(i > 50 && i <= 75) direction = Direction.LEFT;
+        if(i > 75) direction = Direction.RIGHT;
+        actionLock = 0;
+
+    }
+
+}

src/de/miaurizius/jgame2d/entity/Player.java

@@ -1,24 +1,21 @@
 package de.miaurizius.jgame2d.entity;
 
 import de.miaurizius.jgame2d.core.*;
+import de.miaurizius.jgame2d.core.enums.Direction;
+import de.miaurizius.jgame2d.core.handlers.KeyHandler;
 
-import javax.imageio.ImageIO;
 import java.awt.*;
 import java.awt.image.BufferedImage;
-import java.io.*;
-import java.util.logging.Level;
 
 public class Player extends Entity {
 
-    GamePanel panel;
     KeyHandler keyH;
 
     public final int screenX;
     public final int screenY;
-    public int hasKey = 0;
 
     public Player(GamePanel panel, KeyHandler keyH) {
-        this.panel = panel;
+        super(panel);
         this.keyH = keyH;
 
         screenX = panel.screenWidth/2 - panel.tileSize/2;
@@ -44,27 +41,18 @@ public class Player extends Entity {
     }
 
     public void getPlayerImage()  {
-        up1 = initPlayerImage("boy_up_1");
-        up2 = initPlayerImage("boy_up_2");
-        down1 = initPlayerImage("boy_down_1");
-        down2 = initPlayerImage("boy_down_2");
-        left1 = initPlayerImage("boy_left_1");
-        left2 = initPlayerImage(("boy_left_2"));
-        right1 = initPlayerImage(("boy_right_1"));
-        right2 = initPlayerImage(("boy_right_2"));
-    }
-
-    public BufferedImage initPlayerImage(String name) {
-        try {
-            return Utility.scaleImage(ImageIO.read(new FileInputStream("assets/player/" + name + ".png")), panel.tileSize, panel.tileSize);
-        } catch (IOException e) {
-            Boot.logger.log(Level.SEVERE, "Could not load player-image", e);
-        }
-        return null;
+        up1 = initEntitySprites("player/boy_up_1");
+        up2 = initEntitySprites("player/boy_up_2");
+        down1 = initEntitySprites("player/boy_down_1");
+        down2 = initEntitySprites("player/boy_down_2");
+        left1 = initEntitySprites("player/boy_left_1");
+        left2 = initEntitySprites("player/boy_left_2");
+        right1 = initEntitySprites("player/boy_right_1");
+        right2 = initEntitySprites("player/boy_right_2");
     }
 
     public void update() {
-        //Move player
+        // MOVEMENT
         if(keyH.upPressed ||  keyH.downPressed || keyH.leftPressed || keyH.rightPressed) {
             if(keyH.upPressed) direction = Direction.UP;
             else if(keyH.downPressed) direction = Direction.DOWN;
@@ -74,9 +62,15 @@ public class Player extends Entity {
             // CHECK TILE COLLISION
             collisionOn = false;
             panel.collisionH.checkTile(this);
+
+            // CHECK OBJECT COLLISION
             int objIndex = panel.collisionH.checkObject(this, true);
             pickObject(objIndex);
 
+            // CHECK ENTITY COLLISION
+            int npcIndex  = panel.collisionH.checkEntity(this, panel.npc);
+            interactNPC(npcIndex);
+
             if(!collisionOn) {
                 switch (direction) {
                     case UP -> worldY -= speed;
@@ -97,34 +91,12 @@ public class Player extends Entity {
 
     public void pickObject(int index) {
         if(index == 999) return;
-        switch(panel.obj[index].name.toLowerCase()) {
-            case "key":
-                panel.playSE(1);
-                hasKey++;
-                panel.obj[index] = null;
-                panel.ui.showMessage("You got a key!");
-                break;
-            case "door":
-                if(hasKey > 0) {
-                    panel.playSE(3);
-                    panel.obj[index] = null;
-                    hasKey--;
-                    panel.ui.showMessage("You opened the door!");
-                }
-                else panel.ui.showMessage("You need a key!");
-                break;
-            case "boots":
-                panel.playSE(2);
-                speed += 1;
-                panel.obj[index] = null;
-                panel.ui.showMessage("Speed up!");
-                break;
-            case "chest":
-                panel.ui.gameFinished = true;
-                panel.stopMusic();
-                panel.playSE(4);
-                break;
-        }
+
+    }
+
+    public void interactNPC(int index) {
+        if(index == 999) return;
+        System.out.println("npc collision detected");
     }
 
     public void draw(Graphics2D graphics2d) {