simplified duplicated code

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

@@ -1,23 +1,41 @@
 package de.miaurizius.jgame2d.entity;
 
+import de.miaurizius.jgame2d.core.Boot;
 import de.miaurizius.jgame2d.core.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 Entity(GamePanel panel) {
+        this.panel = panel;
+    }
+
+    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 +1,26 @@
+package de.miaurizius.jgame2d.entity;
+
+import de.miaurizius.jgame2d.core.Direction;
+import de.miaurizius.jgame2d.core.GamePanel;
+
+public class OldManNPC extends Entity {
+
+    public OldManNPC(GamePanel panel) {
+        super(panel);
+
+        direction = Direction.DOWN;
+        speed = 1;
+    }
+
+    public void getPlayerImage()  {
+        up1 = initEntitySprites("boy_up_1");
+        up2 = initEntitySprites("boy_up_2");
+        down1 = initEntitySprites("boy_down_1");
+        down2 = initEntitySprites("boy_down_2");
+        left1 = initEntitySprites("boy_left_1");
+        left2 = initEntitySprites("boy_left_2");
+        right1 = initEntitySprites("boy_right_1");
+        right2 = initEntitySprites("boy_right_2");
+    }
+
+}

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

@@ -2,22 +2,19 @@ package de.miaurizius.jgame2d.entity;
 
 import de.miaurizius.jgame2d.core.*;
 
-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 Player(GamePanel panel, KeyHandler keyH) {
-        this.panel = panel;
+        super(panel);
         this.keyH = keyH;
 
         screenX = panel.screenWidth/2 - panel.tileSize/2;
@@ -43,23 +40,14 @@ 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() {