open NPC dialogue if you collide with it

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

@@ -25,12 +25,15 @@ public class Entity {
     public int solidAreaDefaultX,  solidAreaDefaultY;
     public boolean collisionOn = false;
     public int actionLock = 0;
+    String[] dialogue = new String[20];
+    int dialogueIndex = 0;
 
     public Entity(GamePanel panel) {
         this.panel = panel;
     }
 
     public void setAction() {}
+    public void speak() {}
     public void update() {
         setAction();
         collisionOn = false;