simplify Player and Enemy classes

Java-Knight/src/main/java/org/project/entity/Entity.java

@@ -56,7 +56,7 @@ public abstract class Entity implements IDamageable, IHealable, IDefendable, IFi
 
     protected Entity() {}
 
-    public int getStamina() { return Stamina; }
+    public int GetStamina() { return Stamina; }
 
     public void ResetStamina() { Stamina = MaxStamina; }
 
@@ -78,7 +78,28 @@ public abstract class Entity implements IDamageable, IHealable, IDefendable, IFi
     public EntityState GetState() { return State; }
 
     @Override
-    public int GetDamage() { return BaseDamage; }
+    public int GetDamage() {
+        int damage = BaseDamage;
+        IDamageUtil[] utils = GetDamageUtils();
+
+        for (IDamageUtil util : utils) {
+            if (util != null) {
+                damage += util.GetDamage();
+            }
+        }
+
+        return damage;
+    }
+
+    @Override
+    public IDamageUtil[] GetDamageUtils() {
+        return new IDamageUtil[] {Weapon};
+    }
+
+    @Override
+    public void Damage(IDamageable target, int amount, AttackPowerUp[] powerUps) {
+        target.TakeDamage(amount, powerUps);
+    }
 
     public long GetMoney() { return Money; }
 
@@ -200,9 +221,15 @@ public abstract class Entity implements IDamageable, IHealable, IDefendable, IFi
     }
     @Override
     public abstract void SpecialAbility(Entity entity);
+    @Override
+    public abstract String GetSpecialAbilityDescription(Entity entity);
+    @Override
+    public abstract String GetSpecialAbilityResultDescription(Entity entity);
 
     @Override
-    public FightMoves[] getAvailableMoves() {
+    public ArrayList<FightMoves> GetAvailableMoves() {
+        if (GetState() == EntityState.FROZEN) return new ArrayList<>(){};
+
         ArrayList<FightMoves> result = new ArrayList<>();
         result.add(FightMoves.DEFEND);
         result.add(FightMoves.LIGHT_ATTACK);
@@ -219,6 +246,6 @@ public abstract class Entity implements IDamageable, IHealable, IDefendable, IFi
             result.add(FightMoves.HEAVY_ATTACK);
         }
 
-        return result.toArray(new FightMoves[0]);
+        return result;
     }
 }