Renamed VolumeTypes to VolumeControl. Made it thread safe. Added docs to VolumeControl and co.

removed .updateAllVolumes() in favor of auto updating inside enum instead

framework/src/main/java/org/toop/framework/audio/AudioEventListener.java

@@ -57,25 +57,22 @@ public class AudioEventListener<T extends AudioResource, K extends AudioResource
     }
 
     private void handleVolumeChange(AudioEvents.ChangeVolume event) {
-        this.audioVolumeManager.setVolume(event.newVolume() / 100, VolumeTypes.MASTERVOLUME);
-        this.audioVolumeManager.updateAllVolumes();
+        this.audioVolumeManager.setVolume(event.newVolume() / 100, VolumeControl.MASTERVOLUME);
     }
 
     private void handleFxVolumeChange(AudioEvents.ChangeFxVolume event) {
-        this.audioVolumeManager.setVolume(event.newVolume() / 100, VolumeTypes.FX);
-        this.audioVolumeManager.updateAllVolumes();
+        this.audioVolumeManager.setVolume(event.newVolume() / 100, VolumeControl.FX);
     }
 
     private void handleMusicVolumeChange(AudioEvents.ChangeMusicVolume event) {
-        this.audioVolumeManager.setVolume(event.newVolume() / 100, VolumeTypes.MUSIC);
-        this.audioVolumeManager.updateAllVolumes();
+        this.audioVolumeManager.setVolume(event.newVolume() / 100, VolumeControl.MUSIC);
     }
 
     private void handleGetVolume(AudioEvents.GetCurrentVolume event) {
         new EventFlow()
             .addPostEvent(
                     new AudioEvents.GetCurrentVolumeResponse(
-                            audioVolumeManager.getVolume(VolumeTypes.MASTERVOLUME),
+                            audioVolumeManager.getVolume(VolumeControl.MASTERVOLUME),
                             event.snowflakeId()))
             .asyncPostEvent();
     }
@@ -84,7 +81,7 @@ public class AudioEventListener<T extends AudioResource, K extends AudioResource
         new EventFlow()
             .addPostEvent(
                     new AudioEvents.GetCurrentFxVolumeResponse(
-                            audioVolumeManager.getVolume(VolumeTypes.FX),
+                            audioVolumeManager.getVolume(VolumeControl.FX),
                             event.snowflakeId()))
             .asyncPostEvent();
     }
@@ -93,7 +90,7 @@ public class AudioEventListener<T extends AudioResource, K extends AudioResource
         new EventFlow()
             .addPostEvent(
                     new AudioEvents.GetCurrentMusicVolumeResponse(
-                            audioVolumeManager.getVolume(VolumeTypes.MUSIC),
+                            audioVolumeManager.getVolume(VolumeControl.MUSIC),
                             event.snowflakeId()))
             .asyncPostEvent();
     }

framework/src/main/java/org/toop/framework/audio/AudioVolumeManager.java

@@ -4,32 +4,81 @@ import org.toop.framework.audio.interfaces.AudioManager;
 import org.toop.framework.audio.interfaces.VolumeManager;
 import org.toop.framework.resource.types.AudioResource;
 
+/**
+ * Concrete implementation of {@link VolumeManager} that delegates volume control
+ * to the {@link VolumeControl} enum.
+ * <p>
+ * This class acts as a central point for updating volume levels for different
+ * audio categories (MASTER, FX, MUSIC) and for registering audio managers
+ * to the appropriate volume types.
+ * </p>
+ *
+ * <p>Key responsibilities:</p>
+ * <ul>
+ *     <li>Set and get volume levels for each {@link VolumeControl} category.</li>
+ *     <li>Register {@link AudioManager} instances to specific volume types so
+ *         that their active audio resources receive volume updates automatically.</li>
+ *     <li>Automatically scales non-master volumes according to the current master volume.</li>
+ * </ul>
+ *
+ * <p>Example usage:</p>
+ * <pre>{@code
+ * AudioVolumeManager volumeManager = new AudioVolumeManager();
+ *
+ * // Register music manager to MUSIC volume type
+ * volumeManager.registerManager(VolumeControl.MUSIC, musicManager);
+ *
+ * // Set master volume to 80%
+ * volumeManager.setVolume(0.8, VolumeControl.MASTERVOLUME);
+ *
+ * // Set FX volume to 50% of master
+ * volumeManager.setVolume(0.5, VolumeControl.FX);
+ *
+ * // Retrieve current MUSIC volume
+ * double musicVol = volumeManager.getVolume(VolumeControl.MUSIC);
+ * }</pre>
+ */
 public class AudioVolumeManager implements VolumeManager {
 
-    public void setVolume(double newVolume, VolumeTypes type) {
-        type.setVolume(newVolume, VolumeTypes.MASTERVOLUME.getVolume());
+    /**
+     * Sets the volume for a specific volume type.
+     * <p>
+     * This method automatically takes into account the master volume
+     * for non-master types.
+     *
+     * @param newVolume the desired volume level (0.0 to 1.0)
+     * @param type the {@link VolumeControl} category to update
+     */
+    @Override
+    public void setVolume(double newVolume, VolumeControl type) {
+        type.setVolume(newVolume, VolumeControl.MASTERVOLUME.getVolume());
     }
 
-    public double getVolume(VolumeTypes type) {
+    /**
+     * Returns the current volume for the specified {@link VolumeControl} category.
+     *
+     * @param type the volume category
+     * @return the current volume (0.0 to 1.0)
+     */
+    @Override
+    public double getVolume(VolumeControl type) {
         return type.getVolume();
     }
 
-    public AudioVolumeManager registerManager(VolumeTypes type, AudioManager<? extends AudioResource> manager) {
+    /**
+     * Registers an {@link AudioManager} with the specified {@link VolumeControl} category.
+     * <p>
+     * All active audio resources managed by the given {@link AudioManager} will
+     * automatically receive volume updates when the volume type changes.
+     *
+     * @param type the volume type to register the manager under
+     * @param manager the audio manager to register
+     * @return the current {@link AudioVolumeManager} instance (for method chaining)
+     */
+    public AudioVolumeManager registerManager(VolumeControl type, AudioManager<? extends AudioResource> manager) {
         if (manager != null) {
             type.addManager(manager);
         }
-        return AudioVolumeManager.this;
+        return this;
     }
-
-    @Override
-    public void updateAllVolumes() {
-        double masterVolume = VolumeTypes.MASTERVOLUME.getVolume();
-
-        for (VolumeTypes type : VolumeTypes.values()) {
-            if (type != VolumeTypes.MASTERVOLUME) { // skip master itself
-                type.setVolume(type.getVolume(), masterVolume);
-            }
-        }
-    }
-
-}
+}

framework/src/main/java/org/toop/framework/audio/VolumeControl.java

@@ -0,0 +1,159 @@
+package org.toop.framework.audio;
+
+import org.toop.framework.audio.interfaces.AudioManager;
+import org.toop.framework.resource.types.AudioResource;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+/**
+ * Enum representing different categories of audio volume in the application.
+ * <p>
+ * Each volume type maintains its own volume level and a list of {@link AudioManager}s
+ * that manage audio resources of that type. The enum provides methods to set, get,
+ * and propagate volume changes, including master volume adjustments that automatically
+ * update dependent volume types (FX and MUSIC).
+ * </p>
+ *
+ * <p>Volume types:</p>
+ * <ul>
+ *     <li>{@link #MASTERVOLUME}: The global/master volume that scales all other volume types.</li>
+ *     <li>{@link #FX}: Volume for sound effects, scaled by the master volume.</li>
+ *     <li>{@link #MUSIC}: Volume for music tracks, scaled by the master volume.</li>
+ * </ul>
+ *
+ * <p>Key features:</p>
+ * <ul>
+ *     <li>Thread-safe management of audio managers using {@link CopyOnWriteArrayList}.</li>
+ *     <li>Automatic propagation of master volume changes to dependent volume types.</li>
+ *     <li>Clamping volume values between 0.0 and 1.0 to ensure valid audio levels.</li>
+ *     <li>Dynamic registration and removal of audio managers for each volume type.</li>
+ * </ul>
+ *
+ * <p>Example usage:</p>
+ * <pre>{@code
+ * // Add a music manager to the MUSIC volume type
+ * VolumeControl.MUSIC.addManager(musicManager);
+ *
+ * // Set master volume to 80%
+ * VolumeControl.MASTERVOLUME.setVolume(0.8, 0);
+ *
+ * // Set FX volume to 50% of master
+ * VolumeControl.FX.setVolume(0.5, VolumeControl.MASTERVOLUME.getVolume());
+ *
+ * // Retrieve current music volume
+ * double musicVol = VolumeControl.MUSIC.getVolume();
+ * }</pre>
+ */
+public enum VolumeControl {
+    MASTERVOLUME(),
+    FX(),
+    MUSIC();
+
+    private final List<AudioManager<? extends AudioResource>> managers = new CopyOnWriteArrayList<>();
+    private double volume = 1.0;
+    private double masterVolume = 1.0;
+
+    /**
+     * Sets the volume for this volume type.
+     * <p>
+     * If this type is {@link #MASTERVOLUME}, all dependent volume types
+     * (FX, MUSIC, etc.) are automatically updated to reflect the new master volume.
+     * Otherwise, the volume is scaled by the provided master volume.
+     *
+     * @param newVolume the new volume level (0.0 to 1.0)
+     * @param currentMasterVolume the current master volume for scaling non-master types
+     */
+    public void setVolume(double newVolume, double currentMasterVolume) {
+        this.volume = clamp(newVolume);
+
+        if (this == MASTERVOLUME) {
+            for (VolumeControl type : VolumeControl.values()) {
+                if (type != MASTERVOLUME) {
+                    type.masterVolume = this.volume;
+                    type.broadcastVolume(type.computeEffectiveVolume());
+                }
+            }
+        } else {
+            this.masterVolume = clamp(currentMasterVolume);
+            broadcastVolume(computeEffectiveVolume());
+        }
+    }
+
+    /**
+     * Computes the effective volume for this type, taking into account
+     * the master volume if this is not {@link #MASTERVOLUME}.
+     *
+     * @return the effective volume (0.0 to 1.0)
+     */
+    private double computeEffectiveVolume() {
+        return (this == MASTERVOLUME) ? volume : volume * masterVolume;
+    }
+
+    /**
+     * Updates all registered audio managers with the given effective volume.
+     *
+     * @param effectiveVolume the volume to apply to all active audio resources
+     */
+    private void broadcastVolume(double effectiveVolume) {
+        managers.stream()
+                .filter(Objects::nonNull)
+                .forEach(manager -> manager.getActiveAudio()
+                        .forEach(aud -> aud.updateVolume(effectiveVolume)));
+    }
+
+    /**
+     * Clamps a volume value to the valid range [0.0, 1.0].
+     *
+     * @param vol the volume to clamp
+     * @return the clamped volume
+     */
+    private double clamp(double vol) {
+        return Math.max(0, Math.min(vol, 1.0));
+    }
+
+    /**
+     * Gets the current volume for this type.
+     *
+     * @return the current volume (0.0 to 1.0)
+     */
+    public double getVolume() {
+        return volume;
+    }
+
+    /**
+     * Registers an {@link AudioManager} to this volume type.
+     * <p>
+     * Duplicate managers are ignored. Managers will receive volume updates
+     * when this type's volume changes.
+     *
+     * @param manager the audio manager to register
+     */
+    public void addManager(AudioManager<? extends AudioResource> manager) {
+        if (manager != null && !managers.contains(manager)) {
+            managers.add(manager);
+        }
+    }
+
+    /**
+     * Removes a previously registered {@link AudioManager} from this type.
+     *
+     * @param manager the audio manager to remove
+     */
+    public void removeManager(AudioManager<? extends AudioResource> manager) {
+        if (manager != null) {
+            managers.remove(manager);
+        }
+    }
+
+    /**
+     * Returns an unmodifiable view of all registered audio managers for this type.
+     *
+     * @return a list of registered audio managers
+     */
+    public List<AudioManager<? extends AudioResource>> getManagers() {
+        return Collections.unmodifiableList(managers);
+    }
+}

framework/src/main/java/org/toop/framework/audio/VolumeTypes.java

@@ -1,65 +0,0 @@
-package org.toop.framework.audio;
-
-import org.toop.framework.audio.interfaces.AudioManager;
-import org.toop.framework.resource.types.AudioResource;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Objects;
-
-public enum VolumeTypes {
-    MASTERVOLUME(),
-    FX(),
-    MUSIC();
-
-    private final List<AudioManager<? extends AudioResource>> managers = new ArrayList<>();
-    private double volume = 1.0;
-    private double masterVolume = 1.0;
-
-    public void setVolume(double newVolume, double currentMasterVolume) {
-        this.volume = clamp(newVolume);
-
-        if (this != MASTERVOLUME) {
-            this.masterVolume = clamp(currentMasterVolume);
-        }
-
-        double effectiveVolume = computeEffectiveVolume();
-        broadcastVolume(effectiveVolume);
-    }
-
-    private double computeEffectiveVolume() {
-        return (this == MASTERVOLUME) ? volume : volume * masterVolume;
-    }
-
-    private void broadcastVolume(double effectiveVolume) {
-        managers.stream()
-                .filter(Objects::nonNull)
-                .forEach(manager -> manager.getActiveAudio()
-                .forEach(aud -> aud.updateVolume(effectiveVolume)));
-    }
-
-    private double clamp(double vol) {
-        return Math.max(0, Math.min(vol, 1.0));
-    }
-
-    public double getVolume() {
-        return volume;
-    }
-
-    public void addManager(AudioManager<? extends AudioResource> manager) {
-        if (manager != null && !managers.contains(manager)) {
-            managers.add(manager);
-        }
-    }
-
-    public void removeManager(AudioManager<? extends AudioResource> manager) {
-        if (manager != null) {
-            managers.remove(manager);
-        }
-    }
-
-    public List<AudioManager<? extends AudioResource>> getManagers() {
-        return Collections.unmodifiableList(managers);
-    }
-}

framework/src/main/java/org/toop/framework/audio/interfaces/AudioManager.java

@@ -1,7 +1,5 @@
 package org.toop.framework.audio.interfaces;
 
-import org.toop.framework.audio.VolumeTypes;
-
 import java.util.Collection;
 
 public interface AudioManager<T> {

framework/src/main/java/org/toop/framework/audio/interfaces/VolumeManager.java

@@ -1,10 +1,53 @@
 package org.toop.framework.audio.interfaces;
 
-import org.toop.framework.audio.VolumeTypes;
-import org.toop.framework.resource.types.AudioResource;
+import org.toop.framework.audio.VolumeControl;
 
+
+/**
+ * Interface for managing audio volumes in the application.
+ * <p>
+ * Implementations of this interface are responsible for controlling the volume levels
+ * of different categories of audio (e.g., master volume, music, sound effects) and
+ * updating the associated audio managers or resources accordingly.
+ * </p>
+ *
+ * <p>Typical responsibilities include:</p>
+ * <ul>
+ *   <li>Setting the volume for a specific category (master, music, FX).</li>
+ *   <li>Retrieving the current volume of a category.</li>
+ *   <li>Ensuring that changes in master volume propagate to dependent audio categories.</li>
+ *   <li>Interfacing with {@link org.toop.framework.audio.interfaces.AudioManager} to update active audio resources.</li>
+ * </ul>
+ *
+ * <p>Example usage:</p>
+ * <pre>{@code
+ * VolumeManager volumeManager = ...;
+ * // Set master volume to 80%
+ * volumeManager.setVolume(0.8, VolumeControl.MASTERVOLUME);
+ *
+ * // Set music volume to 50% of master
+ * volumeManager.setVolume(0.5, VolumeControl.MUSIC);
+ *
+ * // Retrieve current FX volume
+ * double fxVolume = volumeManager.getVolume(VolumeControl.FX);
+ * }</pre>
+ */
 public interface VolumeManager {
-    void setVolume(double newVolume, VolumeTypes type);
-    double getVolume(VolumeTypes type);
-    void updateAllVolumes();
+
+    /**
+     *
+     * Sets the volume to for the specified {@link VolumeControl}.
+     *
+     * @param newVolume The volume to be set to.
+     * @param type The type of volume to change.
+     */
+    void setVolume(double newVolume, VolumeControl type);
+
+    /**
+     * Gets the current volume for the specified {@link VolumeControl}.
+     *
+     * @param type the type of volume to get.
+     * @return The volume as a {@link Double}
+     */
+    double getVolume(VolumeControl type);
 }