added old man npc and AI

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

@@ -5,6 +5,7 @@ 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;
@@ -47,6 +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;
@@ -61,6 +63,7 @@ public class GamePanel extends JPanel implements Runnable {
 
     public void setupGame() {
         assetSetter.setObject();
+        assetSetter.setNPC();
         playMusic(0); //Play main theme
         gameState = GameState.PLAY;
     }
@@ -103,6 +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;
@@ -117,9 +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/handlers/AssetSetter.java

@@ -1,6 +1,7 @@
 package de.miaurizius.jgame2d.core.handlers;
 
 import de.miaurizius.jgame2d.core.GamePanel;
+import de.miaurizius.jgame2d.entity.OldManNPC;
 
 public class AssetSetter {
 
@@ -14,4 +15,10 @@ public class AssetSetter {
 
     }
 
+    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/entity/Entity.java

@@ -24,11 +24,54 @@ public class Entity {
     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);
+
+        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);

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

@@ -3,6 +3,8 @@ 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) {
@@ -24,4 +26,17 @@ public class OldManNPC extends Entity {
         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;
+
+    }
+
 }