clean: housekeeping

eww...

README.md

@@ -9,6 +9,10 @@ Können Sie meinen Highscore schlagen?
 
 ![Screenshot des Tetris-Spiels](assets/ingame.png)
 
+## Im Falle einer IllegalArgumentException
+Eclipse ist unfähig Java-Konventionen zu befolgen und fügt den resources-Ordner nicht automatisch zum classpath hinzu.
+Um das zu beheben, gehen Sie in die Projekteinstellungen -> Java Build Path -> Source und fügen Sie den resources-Ordner manuell hinzu.
+
 ## Rechtliche Hinweise
 »Tetris« ist eine eingetragene Marke von The Tetris Company, Inc.  
 Die Verwendung des Namens »Tetris« und des Spielkonzepts erfolgen lediglich zu Bildungszwecken.

src/main/java/eu/midnightdust/yaytris/HighScores.java

@@ -1,6 +1,6 @@
 package eu.midnightdust.yaytris;
 
-import eu.midnightdust.yaytris.util.NightJson;
+import eu.midnightdust.yaytris.util.json.NightJson;
 
 import java.util.HashMap;
 import java.util.Map;

src/main/java/eu/midnightdust/yaytris/Settings.java

@@ -2,24 +2,26 @@ package eu.midnightdust.yaytris;
 
 import eu.midnightdust.yaytris.util.Difficulty;
 import eu.midnightdust.yaytris.util.Language;
-import eu.midnightdust.yaytris.util.NightJson;
+import eu.midnightdust.yaytris.util.json.Comment;
+import eu.midnightdust.yaytris.util.json.NightJson;
 
 import java.util.Arrays;
 
+@SuppressWarnings("unused") // Comments are unused in code, but are added to the JSON file for readability
 public class Settings {
     private static final NightJson json = new NightJson(Settings.class, "tetris_settings.json5");
 
-    public static NightJson.Comment c1 = new NightJson.Comment("Volume of theme music (0-100)");
+    public static Comment c1 = new Comment("Volume of theme music (0-100)");
     public static int musicVolume = 100;
-    public static NightJson.Comment c2 = new NightJson.Comment("Volume of sound effects (0-100)");
+    public static Comment c2 = new Comment("Volume of sound effects (0-100)");
     public static int soundVolume = 100;
-    public static NightJson.Comment c3 = new NightJson.Comment("Amount the user interface should be scaled");
+    public static Comment c3 = new Comment("Amount the user interface should be scaled");
     public static float guiScale = 3.f;
-    public static NightJson.Comment c4 = new NightJson.Comment("Whether speed should scale with level (true/false)");
+    public static Comment c4 = new Comment("Whether speed should scale with level (true/false)");
     public static boolean shouldScaleSpeed = true;
-    public static NightJson.Comment c5 = new NightJson.Comment("One of %s", Arrays.toString(Difficulty.values()));
+    public static Comment c5 = new Comment("One of %s", Arrays.toString(Difficulty.values()));
     public static Difficulty difficulty = Difficulty.NORMAL;
-    public static NightJson.Comment c6 = new NightJson.Comment("One of %s", Arrays.toString(Language.values()));
+    public static Comment c6 = new Comment("One of %s", Arrays.toString(Language.values()));
     public static Language language = Language.ENGLISH;
 
     public static void load() {

src/main/java/eu/midnightdust/yaytris/Translation.java

@@ -1,6 +1,6 @@
 package eu.midnightdust.yaytris;
 
-import eu.midnightdust.yaytris.util.NightJson;
+import eu.midnightdust.yaytris.util.json.NightJson;
 
 import java.io.IOException;
 import java.io.InputStream;

src/main/java/eu/midnightdust/yaytris/ui/AbstractMenu.java

@@ -1,16 +1,22 @@
 package eu.midnightdust.yaytris.ui;
 
+import eu.midnightdust.yaytris.util.CatppuccinColor;
+
 import javax.swing.*;
 import java.awt.*;
 
 import static eu.midnightdust.yaytris.ui.TetrisUI.scale;
-import static eu.midnightdust.yaytris.ui.TetrisUI.setFontScale;
 
 public class AbstractMenu extends JPanel {
     @Override
     public Component add(Component comp) {
         comp.setBounds(scale(60), scale(20+getSpacing()*this.getComponentCount()), scale(100), scale(20));
-        if (comp instanceof JComponent) setFontScale((JComponent) comp);
+        if (comp instanceof JLabel) {
+            comp.setForeground(CatppuccinColor.TEXT.getColor());
+        }
+        if (comp instanceof JComponent) {
+            ((JComponent) comp).setOpaque(false);
+        }
         return super.add(comp);
     }
 

src/main/java/eu/midnightdust/yaytris/ui/HighScoreMenu.java

@@ -29,11 +29,13 @@ public class HighScoreMenu extends JPanel {
         highscores.sort((s1, s2) -> Integer.compare(Integer.parseInt(s2.split("–")[0].replace(" ", "")), Integer.parseInt(s1.split("–")[0].replace(" ", ""))));
         JList<String> highscoreList = new JList<>(highscores.toArray(String[]::new));
         highscoreList.setBackground(CatppuccinColor.BASE.getColor());
+        highscoreList.setForeground(CatppuccinColor.TEXT.getColor());
         highscoreList.setSelectionForeground(CatppuccinColor.CRUST.getColor());
         JScrollPane highscoreScrollPane = new JScrollPane(highscoreList);
         highscoreScrollPane.setBorder(new LineBorder(CatppuccinColor.SURFACE0.getColor(), 3, true));
         this.add(highscoreScrollPane);
         highscoreScrollPane.setBounds(scale(60), scale(43), scale(100), scale(80));
+        highscoreList.setBounds(scale(60), scale(43), scale(100), scale(80));
 
         JButton backButton = new JButton(t("ui.back"));
         backButton.addActionListener(ui::openMainMenu);
@@ -45,6 +47,10 @@ public class HighScoreMenu extends JPanel {
     public Component add(Component comp) {
         if (comp instanceof JLabel) {
             comp.setBounds(scale(60), scale(30), scale(100), scale(7));
+            comp.setForeground(CatppuccinColor.TEXT.getColor());
+        }
+        if (comp instanceof JComponent) {
+            ((JComponent) comp).setOpaque(false);
         }
         return super.add(comp);
     }

src/main/java/eu/midnightdust/yaytris/ui/SettingsMenu.java

@@ -2,6 +2,7 @@ package eu.midnightdust.yaytris.ui;
 
 import eu.midnightdust.yaytris.Settings;
 import eu.midnightdust.yaytris.Translation;
+import eu.midnightdust.yaytris.util.CatppuccinColor;
 import eu.midnightdust.yaytris.util.Difficulty;
 import eu.midnightdust.yaytris.util.Language;
 
@@ -10,7 +11,6 @@ import java.awt.*;
 
 import static eu.midnightdust.yaytris.Translation.t;
 import static eu.midnightdust.yaytris.ui.TetrisUI.scale;
-import static eu.midnightdust.yaytris.ui.TetrisUI.setFontScale;
 
 public class SettingsMenu extends JPanel {
     final TetrisUI ui;
@@ -87,9 +87,10 @@ public class SettingsMenu extends JPanel {
         comp.setBounds(scale(60), scale(20+17*this.getComponentCount()-labelAmount*10), scale(100), scale(20));
         if (comp instanceof JLabel) {
             comp.setBounds(scale(60), scale(20+17*(this.getComponentCount())-labelAmount*10), scale(100), scale(7));
+            comp.setForeground(CatppuccinColor.TEXT.getColor());
             labelAmount++;
         }
-        if (comp instanceof JComponent) setFontScale((JComponent) comp);
+        if (comp instanceof JComponent) ((JComponent) comp).setOpaque(false);
         return super.add(comp);
     }
 }

src/main/java/eu/midnightdust/yaytris/ui/TetrisUI.java

@@ -29,11 +29,11 @@ public class TetrisUI extends JFrame implements KeyListener {
     public TetrisUI() {
         this.setLayout(null);
         this.setTitle("Tetris");
-        this.setSize((int) (400 * guiScale), (int) (300 * guiScale));
+        this.setSize((int) (400 * guiScale), (int) (320 * guiScale));
         this.setResizable(false);
         this.getContentPane().setBackground(CatppuccinColor.MANTLE.getColor());
         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-        setWindowPosition(this, 0);
+        this.setLocationRelativeTo(null);
 
         titleLabel = new JLabel("Tetris");
         titleLabel.setForeground(Color.WHITE);
@@ -62,13 +62,11 @@ public class TetrisUI extends JFrame implements KeyListener {
      * Resize all elements to match the current GUI scale.
      */
     private void rescale() {
-        this.setSize((int) (400 * guiScale), (int) (300 * guiScale));
+        this.setSize((int) (400 * guiScale), (int) (320 * guiScale));
         titleLabel.setBounds(scale(225), scale(7), scale(110), scale(30));
         titleLabel.setIcon(new ImageIcon(new ImageIcon(titleImage).getImage().getScaledInstance(scale(110), scale(30), Image.SCALE_DEFAULT)));
         gamePanel.setBounds(scale(10), scale(10), scale(150), scale(282));
-        for (Component comp : this.getComponents()){
-            if (comp instanceof JComponent) setFontScale((JComponent) comp);
-        }
+        this.setLocationRelativeTo(null);
     }
 
     /**
@@ -79,9 +77,6 @@ public class TetrisUI extends JFrame implements KeyListener {
     public static int scale(int bound) {
         return (int) (bound * guiScale);
     }
-    public static void setFontScale(JComponent label) {
-        //if (label.getFont() != null) label.setFont(label.getFont().deriveFont((float) label.getFont().getSize() * guiScale));
-    }
 
     public GameCanvas getGamePanel() {
         return gamePanel;
@@ -108,7 +103,7 @@ public class TetrisUI extends JFrame implements KeyListener {
      *
      * @param actionEvent   unnecessary, but allows for more elegant lambda statements :)
      */
-    public void openMainMenu(ActionEvent actionEvent) {
+    public void openMainMenu(@SuppressWarnings("unused") ActionEvent actionEvent) {
         if (this.menuPanel != null) this.remove(menuPanel);
         Tetris.resetSpace();
         rescale();
@@ -126,7 +121,7 @@ public class TetrisUI extends JFrame implements KeyListener {
      *
      * @param actionEvent   unnecessary, but allows for more elegant lambda statements :)
      */
-    public void openSettings(ActionEvent actionEvent) {
+    public void openSettings(@SuppressWarnings("unused") ActionEvent actionEvent) {
         if (this.menuPanel != null) this.remove(menuPanel);
         menuPanel = new SettingsMenu(scale(170), scale(40), scale(220), scale(252), this);
         menuPanel.setBackground(CatppuccinColor.BASE.getColor());
@@ -140,7 +135,7 @@ public class TetrisUI extends JFrame implements KeyListener {
      *
      * @param actionEvent   unnecessary, but allows for more elegant lambda statements :)
      */
-    public void openScoreMenu(ActionEvent actionEvent) {
+    public void openScoreMenu(@SuppressWarnings("unused") ActionEvent actionEvent) {
         if (this.menuPanel != null) this.remove(menuPanel);
         menuPanel = new ScoreMenu(scale(170), scale(40), scale(220), scale(252), this);
         menuPanel.setBackground(CatppuccinColor.BASE.getColor());
@@ -154,7 +149,7 @@ public class TetrisUI extends JFrame implements KeyListener {
      *
      * @param actionEvent   unnecessary, but allows for more elegant lambda statements :)
      */
-    public void openHighscores(ActionEvent actionEvent) {
+    public void openHighscores(@SuppressWarnings("unused") ActionEvent actionEvent) {
         if (this.menuPanel != null) this.remove(menuPanel);
         menuPanel = new HighScoreMenu(scale(170), scale(40), scale(220), scale(252), this);
         menuPanel.setBackground(CatppuccinColor.BASE.getColor());
@@ -173,40 +168,6 @@ public class TetrisUI extends JFrame implements KeyListener {
         HighScores.addScore(playerName, score);
     }
 
-
-    /**
-     * Centers the game window on the given screen.
-     * Source: <a href="https://stackoverflow.com/a/19746437">Miss Chanandler Bong & Peter Szabo on StackOverflow</a>
-     *
-     * @param window the window to center
-     * @param screen the screen to center it on
-     */
-    private void setWindowPosition(JFrame window, int screen) {
-        GraphicsEnvironment env = GraphicsEnvironment.getLocalGraphicsEnvironment();
-        GraphicsDevice[] allDevices = env.getScreenDevices();
-        int topLeftX, topLeftY, screenX, screenY, windowPosX, windowPosY;
-
-        if (screen < allDevices.length && screen > -1) {
-            topLeftX = allDevices[screen].getDefaultConfiguration().getBounds().x;
-            topLeftY = allDevices[screen].getDefaultConfiguration().getBounds().y;
-
-            screenX  = allDevices[screen].getDefaultConfiguration().getBounds().width;
-            screenY  = allDevices[screen].getDefaultConfiguration().getBounds().height;
-        }
-        else {
-            topLeftX = allDevices[0].getDefaultConfiguration().getBounds().x;
-            topLeftY = allDevices[0].getDefaultConfiguration().getBounds().y;
-
-            screenX  = allDevices[0].getDefaultConfiguration().getBounds().width;
-            screenY  = allDevices[0].getDefaultConfiguration().getBounds().height;
-        }
-
-        windowPosX = ((screenX - window.getWidth())  / 2) + topLeftX;
-        windowPosY = ((screenY - window.getHeight()) / 2) + topLeftY;
-
-        window.setLocation(windowPosX, windowPosY);
-    }
-
     /**
      * Capture keyboard inputs during a game session.
      *

src/main/java/eu/midnightdust/yaytris/util/CatppuccinColor.java

@@ -6,7 +6,7 @@ import java.awt.*;
  * Color scheme based on the <a href="https://github.com/catppuccin/catppuccin">Catppuccin Mocha</a> color palette
  */
 public enum CatppuccinColor {
-    CRUST(0x11111b), MANTLE(0x181825), BASE(0x1e1e2e), SURFACE0(0x313244);
+    TEXT(0xcdd6f4), CRUST(0x11111b), MANTLE(0x181825), BASE(0x1e1e2e), SURFACE0(0x313244);
 
     final Color color;
     CatppuccinColor(int rgb) {

src/main/java/eu/midnightdust/yaytris/util/FileUtil.java

@@ -1,9 +1,6 @@
 package eu.midnightdust.yaytris.util;
 
 import javax.imageio.ImageIO;
-import javax.sound.sampled.AudioInputStream;
-import javax.sound.sampled.AudioSystem;
-import javax.sound.sampled.UnsupportedAudioFileException;
 import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.io.InputStream;
@@ -17,21 +14,4 @@ public class FileUtil {
             throw new RuntimeException(ex);
         }
     }
-
-    public static AudioInputStream loadAudio(String location) {
-        try (InputStream fileStream = FileUtil.class.getResourceAsStream(location)) {
-            assert fileStream != null;
-            return AudioSystem.getAudioInputStream(fileStream);
-        } catch (IOException | NullPointerException | UnsupportedAudioFileException ex) {
-            throw new RuntimeException(ex);
-        }
-    }
-
-    public static InputStream getFileStream(String location) {
-        try (InputStream fileStream = FileUtil.class.getResourceAsStream(location)) {
-            return fileStream;
-        } catch (IOException | NullPointerException ex) {
-            throw new RuntimeException(ex);
-        }
-    }
 }

src/main/java/eu/midnightdust/yaytris/util/json/Comment.java

@@ -0,0 +1,19 @@
+package eu.midnightdust.yaytris.util.json;
+
+/**
+ * Add comments to your json files.
+ * If you decide to use this, it's best to save with the .json5 extension, as regular json does not officially support comments.
+ */
+public class Comment {
+    final String commentString;
+
+    /**
+     * Add a comment to spice-up the json file :)
+     *
+     * @param commentString the string you want to write as a comment
+     * @param args          optional formatting arguments, calls {@link String#format(String, Object...)}
+     */
+    public Comment(String commentString, Object... args) {
+        this.commentString = String.format(commentString, args);
+    }
+}

src/main/java/eu/midnightdust/yaytris/util/json/NightJson.java

@@ -1,4 +1,4 @@
-package eu.midnightdust.yaytris.util;
+package eu.midnightdust.yaytris.util.json;
 
 import java.io.File;
 import java.io.FileWriter;
@@ -12,8 +12,8 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 /**
- * NightJson v0.2 by Martin Prokoph
- * Extremely lightweight (and incomplete) JSON library
+ * NightJson v0.3 by Martin Prokoph
+ * Extremely lightweight JSON library
  * Concept inspired by GSON
  */
 public class NightJson {
@@ -39,28 +39,11 @@ public class NightJson {
     /**
      * Convert the current state of the java json class to actual json and save it to disk.
      */
-    @SuppressWarnings("unchecked")
     public void writeJson() {
         if (fileLocation == null) return;
         try {
             FileWriter jsonFile = new FileWriter(fileLocation);
-
-            jsonFile.write("{\n");
-            Iterator<Field> it = Arrays.stream(jsonClass.getFields()).iterator();
-            while (it.hasNext()) {
-                Field field = it.next();
-                if (field != jsonMap) writeElement(jsonFile, field.get(null), field.getType(), field.getName(), it.hasNext());
-            }
-            if (jsonMap != null) {
-                Iterator<String> mapIt = ((Map<String,?>)jsonMap.get(null)).keySet().iterator();
-                while (mapIt.hasNext()) {
-                    String key = mapIt.next();
-                    Object value = jsonMap.get(key);
-                    writeElement(jsonFile, value, value.getClass(), key, mapIt.hasNext());
-                }
-            }
-            jsonFile.write("}");
-            jsonFile.close();
+            writeJsonToFile(jsonFile);
         } catch (IOException | IllegalAccessException e) {
             System.out.println("Oh no! An Error occurred whilst writing the JSON file :(");
             //noinspection CallToPrintStackTrace
@@ -68,10 +51,30 @@ public class NightJson {
         }
     }
 
+    @SuppressWarnings("unchecked")
+    private void writeJsonToFile(FileWriter jsonFile) throws IOException, IllegalAccessException {
+        jsonFile.write("{\n");
+        Iterator<Field> it = Arrays.stream(jsonClass.getFields()).iterator();
+        while (it.hasNext()) {
+            Field field = it.next();
+            if (field != jsonMap) writeElement(jsonFile, field.get(null), field.getType(), field.getName(), it.hasNext());
+        }
+        if (jsonMap != null) {
+            Iterator<String> mapIt = ((Map<String,?>)jsonMap.get(null)).keySet().iterator();
+            while (mapIt.hasNext()) {
+                String key = mapIt.next();
+                Object value = jsonMap.get(key);
+                writeElement(jsonFile, value, value.getClass(), key, mapIt.hasNext());
+            }
+        }
+        jsonFile.write("}");
+        jsonFile.close();
+    }
+
     /**
      * Write the desired element into the file.
      */
-    private void writeElement(FileWriter jsonFile, Object value, Class<?> type, String name, boolean hasNext) throws IOException, IllegalAccessException {
+    private void writeElement(FileWriter jsonFile, Object value, Class<?> type, String name, boolean hasNext) throws IOException {
         jsonFile.write("\t");
         if (type == Comment.class) {
             jsonFile.write(String.format("// %s\n", ((Comment) value).commentString));
@@ -120,23 +123,9 @@ public class NightJson {
     /**
      * Read the json file from disk and overwrite the json class's field values.
      */
-    @SuppressWarnings("unchecked")
     public void readJsonFromString(String jsonString) {
         try {
-            Map<String, Object> asMap = jsonToMap(
-                    jsonString.replaceAll("(//)+.*\n", ""), // Replace comment lines (Json5)
-                    (key) -> getField(key).isPresent() ? getField(key).get().getType() : String.class); // Determine data type
-
-            for (String key : asMap.keySet()) {
-                Object value = asMap.get(key);
-                Optional<Field> field = getField(key);
-                if (field.isPresent()) {
-                    field.get().set(null, value);
-                }
-                else if (jsonMap != null) {
-                    ((Map<String, Object>)jsonMap.get(null)).put(key, value);
-                }
-            }
+            readJsonString(jsonString);
         } catch (IllegalAccessException | NoSuchElementException | ClassCastException e) {
             System.out.println("Oh no! An Error occurred whilst reading the JSON file :(");
             //noinspection CallToPrintStackTrace
@@ -144,6 +133,24 @@ public class NightJson {
         }
     }
 
+    @SuppressWarnings("unchecked")
+    private void readJsonString(String jsonString) throws IllegalAccessException {
+        Map<String, Object> asMap = jsonToMap(
+                jsonString.replaceAll("(//)+.*\n", ""), // Replace comment lines (Json5)
+                (key) -> getField(key).isPresent() ? getField(key).get().getType() : String.class); // Determine data type
+
+        for (String key : asMap.keySet()) {
+            Object value = asMap.get(key);
+            Optional<Field> field = getField(key);
+            if (field.isPresent()) {
+                field.get().set(null, value);
+            }
+            else if (jsonMap != null) {
+                ((Map<String, Object>)jsonMap.get(null)).put(key, value);
+            }
+        }
+    }
+
     /**
      * Read the json file as key-value pairs and save it as a map.
      */
@@ -249,20 +256,4 @@ public class NightJson {
             return Optional.empty();
         }
     }
-
-    /**
-     * Add comments to your json files.
-     * If you decide to use this, it's best to save with the .json5 extension, as regular json does not officially support comments.
-     */
-    public static class Comment {
-        final String commentString;
-        /**
-         * Add a comment to spice-up the json file :)
-         * @param commentString     the string you want to write as a comment
-         * @param args              optional formatting arguments, calls {@link String#format(String, Object...)}
-         */
-        public Comment(String commentString, Object... args) {
-            this.commentString = String.format(commentString, args);
-        }
-    }
 }

src/main/java/eu/midnightdust/yaytris/util/sound/MusicThread.java

@@ -65,6 +65,8 @@ public class MusicThread extends Thread {
             sourceDataLine.close();
         } catch (LineUnavailableException | IOException | UnsupportedAudioFileException e) {
             throw new RuntimeException(e);
+        } catch (IllegalArgumentException ignored) {
+            // Happens when no audio device is connected
         }
     }
 }

src/main/java/eu/midnightdust/yaytris/util/sound/SoundUtil.java

@@ -52,6 +52,8 @@ public class SoundUtil {
             setVolume(audioClip, Settings.soundVolume);
         } catch (LineUnavailableException | IOException | UnsupportedAudioFileException e) {
             throw new RuntimeException(e);
+        } catch (IllegalArgumentException ignored) {
+            // Happens when no audio device is connected
         }
     }
 

tetris_settings.json5

@@ -1,10 +1,10 @@
 {
 	// Volume of theme music (0-100)
-	"musicVolume": 30,
+	"musicVolume": 100,
 	// Volume of sound effects (0-100)
 	"soundVolume": 100,
 	// Amount the user interface should be scaled
-	"guiScale": 5.7,
+	"guiScale": 2.00,
 	// Whether speed should scale with level (true/false)
 	"shouldScaleSpeed": true,
 	// One of [Noob, Easy, Normal, Hard, Extreme, WTF]