Remove player from cache on logout to ensure they are reloaded on relog

src/main/java/com/alttd/listeners/PlayerQuitListener.java

@@ -0,0 +1,14 @@
+package com.alttd.listeners;
+
+import com.alttd.storage.PlayerSettings;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerQuitEvent;
+
+public class PlayerQuitListener implements Listener {
+
+    @EventHandler
+    public void onPlayerLeave(PlayerQuitEvent event) {
+        PlayerSettings.removePlayer(event.getPlayer().getUniqueId());
+    }
+}

src/main/java/com/alttd/storage/PlayerSettings.java

@@ -32,6 +32,14 @@ public class PlayerSettings {
         playerSettingsMap.put(uuid, this);
     }
 
+    public static PlayerSettings getPlayer(UUID uuid) {
+        return playerSettingsMap.get(uuid);
+    }
+
+    public static void removePlayer(UUID uuid) {
+        playerSettingsMap.remove(uuid);
+    }
+
     public boolean hasActiveParticles() {
         return particlesActive;
     }
@@ -59,8 +67,4 @@ public class PlayerSettings {
     public ParticleSet getParticles(APartType aPartType) {
         return particles.get(aPartType);
     }
-
-    public static PlayerSettings getPlayer(UUID uuid) {
-        return playerSettingsMap.get(uuid);
-    }
 }