Merge pull request #75

* Add option to play a sound when a leash snaps

* Add option to configure the snap sound

* Replace for loop

* WARNING: Code has been updated

* Support custom sounds

src/main/java/org/purpurmc/purpurextras/modules/LeashSnapSoundModule.java

@@ -0,0 +1,48 @@
+package org.purpurmc.purpurextras.modules;
+
+import net.kyori.adventure.key.Key;
+import net.kyori.adventure.sound.Sound;
+import org.bukkit.NamespacedKey;
+import org.bukkit.SoundCategory;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.entity.EntityUnleashEvent;
+import org.purpurmc.purpurextras.PurpurExtras;
+
+import java.util.Locale;
+
+/**
+ * Adds a sound for when the leash snaps
+ */
+public class LeashSnapSoundModule implements PurpurExtrasModule, Listener {
+
+    private String sound;
+    private double volume;
+    private double pitch;
+
+    protected LeashSnapSoundModule() {
+        sound = PurpurExtras.getPurpurConfig().getString("settings.leash-snap.sound", "minecraft:block.bamboo.break");
+        volume = PurpurExtras.getPurpurConfig().getDouble("settings.leash-snap.volume", 1f);
+        pitch = PurpurExtras.getPurpurConfig().getDouble("settings.leash-snap.pitch", 1.25f);
+    }
+
+    @Override
+    public void enable() {
+        PurpurExtras plugin = PurpurExtras.getInstance();
+        plugin.getServer().getPluginManager().registerEvents(this, plugin);
+    }
+
+    @Override
+    public boolean shouldEnable() {
+        return PurpurExtras.getPurpurConfig().getBoolean("settings.leash-snap.enabled", false) && sound != null;
+    }
+
+    @EventHandler(priority = EventPriority.NORMAL, ignoreCancelled = true)
+    public void onLeashBreak(EntityUnleashEvent event){
+
+        if (event.getReason() != EntityUnleashEvent.UnleashReason.DISTANCE) return;
+
+        event.getEntity().getWorld().playSound(event.getEntity().getLocation(), sound, SoundCategory.PLAYERS, (float) volume, (float) pitch);
+    }
+}