优化代码结构，移除无用代码，减少代码复用。

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>cc.carm.plugin</groupId>
     <artifactId>UserPrefix</artifactId>
-    <version>1.0.0-SNAPSHOT</version>
+    <version>1.2.0-SNAPSHOT</version>
 
     <properties>
         <maven.compiler.source>8</maven.compiler.source>

src/main/java/cc/carm/plugin/userprefix/Main.java

@@ -6,11 +6,12 @@ import cc.carm.plugin.userprefix.configuration.PrefixConfig;
 import cc.carm.plugin.userprefix.hooker.UserPrefixExpansion;
 import cc.carm.plugin.userprefix.listener.UserListener;
 import cc.carm.plugin.userprefix.listener.processor.UserNodeUpdateProcessor;
-import cc.carm.plugin.userprefix.manager.ServiceManager;
-import net.luckperms.api.event.user.UserDataRecalculateEvent;
 import cc.carm.plugin.userprefix.manager.ConfigManager;
 import cc.carm.plugin.userprefix.manager.PrefixManager;
+import cc.carm.plugin.userprefix.manager.ServiceManager;
+import cc.carm.plugin.userprefix.manager.UserManager;
 import cc.carm.plugin.userprefix.util.ColorParser;
+import net.luckperms.api.event.user.UserDataRecalculateEvent;
 import org.bukkit.Bukkit;
 import org.bukkit.event.Listener;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -47,6 +48,11 @@ public class Main extends JavaPlugin {
 
 
         log("加载完成 ，共耗时 " + (System.currentTimeMillis() - startTime) + " ms 。");
+
+        if (Bukkit.getOnlinePlayers().size() > 0) {
+            Bukkit.getOnlinePlayers().forEach(UserManager::initPlayer);  // 适配热重载
+        }
+
     }
 
     @Override

src/main/java/cc/carm/plugin/userprefix/listener/UserListener.java

@@ -1,9 +1,6 @@
 package cc.carm.plugin.userprefix.listener;
 
-import cc.carm.plugin.userprefix.configuration.PrefixConfig;
 import cc.carm.plugin.userprefix.manager.UserManager;
-import cc.carm.plugin.userprefix.ui.PrefixSelectGUI;
-import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerJoinEvent;
@@ -14,25 +11,13 @@ public class UserListener implements Listener {
 
     @EventHandler
     public void onJoin(PlayerJoinEvent event) {
-        Player player = event.getPlayer();
+        UserManager.initPlayer(event.getPlayer());
-
-        UserManager.checkPrefix(player, false);
-
-
-        if (PrefixConfig.Functions.NAME_PREFIX.get()) {
-            UserManager.createNameTag(event.getPlayer());
-            UserManager.updatePrefixView(event.getPlayer(), true);
-        }
-
-
     }
 
 
     @EventHandler
     public void onLeave(PlayerQuitEvent event) {
-        PrefixSelectGUI.removeOpening(event.getPlayer());
+        UserManager.unloadPlayer(event.getPlayer());
-        UserManager.unloadNameTag(event.getPlayer().getUniqueId());
-        UserManager.checkingPlayers.remove(event.getPlayer().getUniqueId());
     }
 
 

src/main/java/cc/carm/plugin/userprefix/listener/processor/UserNodeUpdateProcessor.java

@@ -1,29 +1,16 @@
 package cc.carm.plugin.userprefix.listener.processor;
 
-import net.luckperms.api.event.user.UserDataRecalculateEvent;
-import net.luckperms.api.model.user.User;
 import cc.carm.plugin.userprefix.manager.UserManager;
+import net.luckperms.api.event.user.UserDataRecalculateEvent;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 
 public class UserNodeUpdateProcessor {
 
-//    public static void process(NodeRemoveEvent event) {
-//        if (event.getTarget() instanceof User) {
-//            if (!(event.getNode() instanceof PermissionNode)) return;
-//            User user = (User) event.getTarget();
-//            Player player = Bukkit.getPlayer(user.getUniqueId());
-//            if (player == null) return;
-//            UserManager.checkPrefix(player, true);
-//        }
-//    }
-
     public static void process(UserDataRecalculateEvent event) {
-        User user = event.getUser();
+        Player player = Bukkit.getPlayer(event.getUser().getUniqueId());
-        Player player = Bukkit.getPlayer(user.getUniqueId());
         if (player == null) return;
         UserManager.checkPrefix(player, true);
-
     }
 
 }

src/main/java/cc/carm/plugin/userprefix/manager/PrefixManager.java

@@ -33,7 +33,9 @@ public class PrefixManager {
             Main.log("配置文件中暂无任何前缀配置，请检查。");
             return;
         }
+
         HashMap<String, ConfiguredPrefix> dataPrefixes = new HashMap<>();
+
         for (String prefixIdentifier : prefixesSection.getKeys(false)) {
             ConfigurationSection configuredPrefixSection = prefixesSection.getConfigurationSection(prefixIdentifier);
             if (configuredPrefixSection == null) continue;
@@ -55,10 +57,12 @@ public class PrefixManager {
             dataPrefixes.put(prefixIdentifier, new ConfiguredPrefix(prefixIdentifier, name, content, weight, permission, itemHasPermission, itemNoPermission, itemUsing));
         }
 
-        prefixes = dataPrefixes;
+        PrefixManager.prefixes.clear();
+        PrefixManager.prefixes = dataPrefixes;
     }
 
     public static void loadDefaultPrefix() {
+        PrefixManager.defaultPrefix = null;
         ConfigurationSection defaultPrefixSection = ConfigManager.getConfig().getConfigurationSection("defaultPrefix");
         if (defaultPrefixSection != null) {
             String name = defaultPrefixSection.getString("name", "默认前缀");
@@ -80,9 +84,9 @@ public class PrefixManager {
                             .addFlag(ItemFlag.HIDE_ENCHANTS)
                             .toItemStack()
             );
-            defaultPrefix = new ConfiguredPrefix("default", name, content, 0, null, itemNotUsing, null, itemUsing);
+            PrefixManager.defaultPrefix = new ConfiguredPrefix("default", name, content, 0, null, itemNotUsing, null, itemUsing);
         } else {
-            defaultPrefix = new ConfiguredPrefix("default", "默认前缀", "&r", 0, null,
+            PrefixManager.defaultPrefix = new ConfiguredPrefix("default", "默认前缀", "&r", 0, null,
                     new ItemStackFactory(Material.NAME_TAG)
                             .setDisplayName("&f默认前缀")
                             .addLore(" ")

src/main/java/cc/carm/plugin/userprefix/manager/UserManager.java

@@ -4,6 +4,7 @@ import cc.carm.plugin.userprefix.Main;
 import cc.carm.plugin.userprefix.configuration.PrefixConfig;
 import cc.carm.plugin.userprefix.model.ConfiguredPrefix;
 import cc.carm.plugin.userprefix.nametag.UserNameTag;
+import cc.carm.plugin.userprefix.ui.PrefixSelectGUI;
 import cc.carm.plugin.userprefix.util.MessageUtil;
 import net.luckperms.api.model.user.User;
 import net.luckperms.api.node.NodeType;
@@ -30,6 +31,20 @@ public class UserManager {
         return nameTag;
     }
 
+    public static void initPlayer(Player player) {
+        UserManager.checkPrefix(player, false);
+        if (PrefixConfig.Functions.NAME_PREFIX.get()) {
+            UserManager.createNameTag(player);
+            UserManager.updatePrefixView(player, true);
+        }
+    }
+
+    public static void unloadPlayer(Player player) {
+        PrefixSelectGUI.removeOpening(player);
+        UserManager.unloadNameTag(player.getUniqueId());
+        UserManager.checkingPlayers.remove(player.getUniqueId());
+    }
+
     /**
      * 更新前缀显示效果
      *
@@ -61,7 +76,7 @@ public class UserManager {
                 if (onlinePlayerPrefix != null) {
                     tag.setPrefix(onlinePlayer, onlinePlayerPrefix.getContent());
                     tag.setOrder(onlinePlayer, onlinePlayerPrefix.getWeight());
-                    Main.debug("为玩家 " + player.getName() + " 设置了 " + player.getName() + "的前缀为 #" + onlinePlayerPrefix.getWeight() + " " + onlinePlayerPrefix.getName());
+                    Main.debug("为玩家 " + player.getName() + " 设置了 " + onlinePlayer.getName() + "的前缀为 #" + onlinePlayerPrefix.getWeight() + " " + onlinePlayerPrefix.getName());
                 }
             }
         }

src/main/java/cc/carm/plugin/userprefix/model/ConfiguredPrefix.java

@@ -37,58 +37,30 @@ public class ConfiguredPrefix {
         return name;
     }
 
-    public void setName(String name) {
-        this.name = name;
-    }
-
     public String getContent() {
         return ColorParser.parseColor(content);
     }
 
-    public void setContent(String content) {
-        this.content = content;
-    }
-
     public int getWeight() {
         return weight;
     }
 
-    public void setWeight(int weight) {
-        this.weight = weight;
-    }
-
     public String getPermission() {
         return permission;
     }
 
-    public void setPermission(String permission) {
-        this.permission = permission;
-    }
-
     public ItemStack getItemHasPermission() {
         return itemHasPermission;
     }
 
-    public void setItemHasPermission(ItemStack itemHasPermission) {
-        this.itemHasPermission = itemHasPermission;
-    }
-
     public ItemStack getItemNoPermission() {
         return itemNoPermission;
     }
 
-    public void setItemNoPermission(ItemStack itemNoPermission) {
-        this.itemNoPermission = itemNoPermission;
-    }
-
     public ItemStack getItemWhenUsing() {
         return itemWhenUsing;
     }
 
-    public void setItemWhenUsing(ItemStack itemWhenUsing) {
-        this.itemWhenUsing = itemWhenUsing;
-    }
-
     public boolean isVisibleNoPermission() {
         return this.itemNoPermission != null;
     }

src/main/java/cc/carm/plugin/userprefix/util/ItemStackFactory.java

@@ -128,14 +128,4 @@ public class ItemStackFactory {
         this.item.setItemMeta(im);
         return this;
     }
-
-    public ItemStackFactory setSkullOwner(String name) {
-        if (this.item.getType() == Material.PLAYER_HEAD || this.item.getType() == Material.PLAYER_WALL_HEAD) {
-            SkullMeta im = (SkullMeta) this.item.getItemMeta();
-            im.setOwner(name);
-            this.item.setItemMeta(im);
-        }
-
-        return this;
-    }
 }