Highscores einfügen & Score im Spiel

Happy_Bird/src/main/java/com/example/happy_bird/HappyBirdMain.java

@@ -2,10 +2,7 @@ package com.example.happy_bird;
 
 import javafx.application.Application;
 import javafx.scene.Scene;
-import javafx.scene.control.Button;
-import javafx.scene.control.Label;
-import javafx.scene.control.Slider;
-import javafx.scene.control.TextField;
+import javafx.scene.control.*;
 import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.input.KeyCode;
@@ -13,8 +10,11 @@ import javafx.scene.layout.*;
 import javafx.scene.text.TextAlignment;
 import javafx.stage.Stage;
 
+import java.sql.ResultSet;
+
 public class HappyBirdMain extends Application {
 
+    /*Datenbank einlesen*/
     MariaDB datenbank = new MariaDB();
 
     /*Panes erstellen und zuweisen*/
@@ -29,13 +29,14 @@ public class HappyBirdMain extends Application {
     private final Label acronymLabel = new Label("KÜRZEL");
     private final Label headline = new Label("HAPPY BIRD");
     private final Label soundLabel = new Label("SOUND");
-    private final Label currentScoreLabel = new Label("SCORE");
-    private final Label highscoreLabel = new Label("HIGHSCORE");
+    private final Label currentScoreLabel = new Label("SCORE: ");
+    private final Label highscoreLabel = new Label("HIGHSCORE: ");
     private final Label pauseMenuLabel = new Label("PAUSE");
     private final Label soundLabelPause = new Label("SOUND");
+    private final Label highscoreMenuLabel = new Label();
 
     /*Labels in Arrays speichern*/
-    private final Label[] labels = {nameLabel, acronymLabel, soundLabel, currentScoreLabel, highscoreLabel};
+    private final Label[] labels = {nameLabel, acronymLabel, soundLabel, currentScoreLabel, highscoreLabel, highscoreMenuLabel};
     private final Label[] headlineLabels = {headline};
 
     /*Buttons erstellen und zuweisen*/
@@ -110,6 +111,7 @@ public class HappyBirdMain extends Application {
 
 
     public void generateMenueScene() {
+        dataQuery();
         menuScreenRunning = true;
 
         /*Bild für Hintergrund erstellen:*/
@@ -198,7 +200,8 @@ public class HappyBirdMain extends Application {
      */
     public void generateGameScreen() {
         menuScreenRunning = false;
-
+        int playerhighscore = getPlayerHighscore();
+        highscoreLabel.setText("HIGHSCORE: " + playerhighscore);
         /*Headline-Label umbenennen*/
         nameLabel.setText("KÜRZEL: " + acronym.getText());
 
@@ -494,6 +497,16 @@ public class HappyBirdMain extends Application {
     public void highscoresButtonClick() {
         /*Überschrift umbenennen*/
         headline.setText("HIGHSCORES");
+        /*Label für die Highscores einfügen und füllen*/
+        highscoreMenuLabel.setLayoutX(275);
+        highscoreMenuLabel.setLayoutY(225);
+        highscoreMenuLabel.setPrefHeight(300);
+        highscoreMenuLabel.setPrefSize(250, 250);
+        highscoreMenuLabel.setVisible(true);
+
+        String bestFiveHighscores = calculateHighscores();
+        System.out.println(bestFiveHighscores);
+        highscoreMenuLabel.setText(bestFiveHighscores);
 
         /*nicht verwendete Buttons ausblenden, verwendete einblenden*/
         startButton.setVisible(false);
@@ -516,7 +529,7 @@ public class HappyBirdMain extends Application {
         settingsButton.setVisible(true);
         menuButton.setVisible(false);
         startGameButton.setVisible(false);
-
+        highscoreMenuLabel.setVisible(false);
         /*soundSlider ausblenden*/
         soundSlider.setVisible(false);
 
@@ -650,4 +663,68 @@ public class HappyBirdMain extends Application {
             pane.getChildren().remove(pause);
         }
     }
+
+    /***
+     * Erste Datenabfrage als Test - wird später gelöscht
+     */
+    public void dataQuery()
+    {
+        String dataquery = "SELECT * FROM happybirddb;";
+        try (ResultSet rs = datenbank.st.executeQuery(dataquery)) {
+            while (rs.next())
+            {
+                System.out.println(rs.getString(1) + " " + rs.getString(2) + " " + rs.getString(3) + " " + rs.getString(4));
+            }
+        }
+        catch (Exception e)
+        {
+            System.out.println("Falsche Abfrage");
+        }
+    }
+
+    /***
+     * getPlayerHighscore() berechnet den höchsten erreichten Wert des aktuellen Spielers
+     * (nicht den gesamt höchsten Highscore)
+     *
+     * @return den Highscore des aktuellen Spielers
+     */
+    public int getPlayerHighscore()
+    {
+        int highscore = 0;
+        String playeracronym = acronym.getText();
+        String sql = "SELECT MAX(punkte) FROM happybirddb WHERE kuerzel = '" + playeracronym + "';";
+        System.out.println(sql);
+        try (ResultSet rs = datenbank.st.executeQuery(sql)) {
+            while (rs.next())
+            {
+                highscore = rs.getInt(1);
+            }
+        }
+        catch (Exception e)
+        {
+            System.out.println("Falsche Abfrage");
+        }
+        return highscore;
+    }
+
+    /***
+     * writeHighscores() gibt die Highscores aus ( die 5 höchsten Werte, die bis jetzt gespielt wurden )
+     */
+    public String calculateHighscores()
+    {
+        String bestFiveHighscores = "PLAYER\t\tSCORE\n\n";
+        int i = 0;
+        String sql = "SELECT * FROM happybirddb ORDER BY punkte DESC LIMIT 5;";
+        try (ResultSet rs = datenbank.st.executeQuery(sql)) {
+            while (rs.next())
+            {
+                bestFiveHighscores+= rs.getString(4) + "\t" + rs.getString(3)+"\n";
+            }
+        }
+        catch (Exception e)
+        {
+            System.out.println("Falsche Abfrage");
+        }
+        return bestFiveHighscores;
+    }
 }