refactoring: fix endless hp glitch

src/main/java/game/StartDarkSoulsGame.java

@@ -22,7 +22,7 @@ public class StartDarkSoulsGame {
 	Container con;
 	TitelScreenHandler tsHandler= new TitelScreenHandler(); 
 	ChoiceHandler choiceHandler =  new ChoiceHandler();
-	int playerHP, monsterHP, AshuraRing; 
+	int playerHP, monsterHP, AshuraRing, fill_hp; 
 	String position, weapon; 
 	
 	public StartDarkSoulsGame() {
@@ -195,10 +195,14 @@ public class StartDarkSoulsGame {
 		choice3.setText("Go south");
 		choice4.setText("Go West");
 	}
-	public void north() {
+	public void north() { 
 		position= "north";
+		if (fill_hp < 1) {
 		mainTextArea.setText("You Are at Siofra River.\n this Water is blessed Drink it. \n (+ 2HP)");
 		playerHP = playerHP +2;
+		fill_hp++;
+	 }
+	 else { mainTextArea.setText("You can only dring 1 time");}
 		hpLabelNumber.setText(""+ playerHP);
 		choice1.setText("GO south"); 
 		choice2.setText("");