use a better event system

src/main/java/cc/fascinated/Aetheria.java

@@ -3,6 +3,7 @@ package cc.fascinated;
 import cc.fascinated.account.AccountManager;
 import cc.fascinated.chat.ChatManager;
 import cc.fascinated.command.CommandManager;
+import cc.fascinated.event.EventManager;
 import cc.fascinated.metrics.MetricManager;
 import cc.fascinated.misc.PlayerVersionWarning;
 import cc.fascinated.motd.MotdManager;
@@ -38,6 +39,7 @@ public class Aetheria extends JavaPlugin {
 
         new AccountManager();
 
+        new EventManager();
         new CommandManager();
         new WorldSizeManager();
         new PlaceholderManager();

src/main/java/cc/fascinated/account/Account.java

@@ -23,6 +23,11 @@ import java.util.UUID;
 @Getter @Log4j2
 public class Account {
 
+    /**
+     * Profile keys.
+     */
+    private static final String playerColorProfileId = "playerColorProfile";
+
     /**
      * The UUID of the player.
      */
@@ -78,26 +83,6 @@ public class Account {
             this.lastLogin = System.currentTimeMillis();
             this.save(false); // Save default values
             log.info("Created new account for " + this.uuid);
-
-            Bukkit.broadcast(Style.getMiniMessage().deserialize(Lang.FIRST_JOIN_MESSAGE.getAsString()
-                    .replace("%player%", player.getName())
-            ));
-
-            Aetheria.EXECUTOR.execute(() -> {
-                // todo: re-code this it's so ugly
-                DiscordWebhook discordWebhook = new DiscordWebhook(Config.DISCORD_LOG_WEBHOOK.getAsString());
-                DiscordWebhook.EmbedObject embed = new DiscordWebhook.EmbedObject();
-                embed.setTitle("New Player Joined");
-                embed.addField("Name", player.getName(), true);
-                embed.addField("UUID", uuid.toString(), true);
-
-                discordWebhook.addEmbed(embed);
-                try {
-                    discordWebhook.execute();
-                } catch (IOException e) {
-                    throw new RuntimeException(e);
-                }
-            });
         }
 
         this.firstJoin = config.getLong("firstJoin");
@@ -106,7 +91,7 @@ public class Account {
         this.lastLogin = System.currentTimeMillis(); // Update last login
 
         // Load profiles
-        this.playerColorProfile = new PlayerColor(this, this.getProfileSection("playerColor"));
+        this.playerColorProfile = new PlayerColor(this, this.getProfileSection(playerColorProfileId));
 
         //log.info("Loaded account for " + this.uuid);
     }
@@ -163,16 +148,11 @@ public class Account {
      * @param key the key to save the profile under
      */
     private void saveProfile(Profile profile, String key) {
-        key = this.getProfileId(key); // append "Profile" to the key to signify it's a profile
         profile.save(config.getConfigurationSection(key) == null ? config.createSection(key) : config.getConfigurationSection(key));
     }
 
     private ConfigurationSection getProfileSection(String key) {
-        return this.config.getConfigurationSection(this.getProfileId(key));
-    }
-
-    private String getProfileId(String key) {
-        return key + "Profile"; // append "Profile" to the key to signify it's a profile
+        return this.config.getConfigurationSection(key);
     }
 
     @SneakyThrows
@@ -181,7 +161,7 @@ public class Account {
         this.config.set("lastLogin", this.lastLogin);
 
         if (saveProfiles) {
-            this.saveProfile(this.playerColorProfile, "playerColor");
+            this.saveProfile(this.playerColorProfile, playerColorProfileId);
         }
 
         this.config.save(this.file);

src/main/java/cc/fascinated/account/AccountManager.java

@@ -1,15 +1,19 @@
 package cc.fascinated.account;
 
 import cc.fascinated.Aetheria;
+import cc.fascinated.config.Config;
+import cc.fascinated.config.Lang;
+import cc.fascinated.utils.DiscordWebhook;
 import cc.fascinated.utils.Manager;
+import cc.fascinated.utils.Style;
 import lombok.extern.log4j.Log4j2;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
 import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerLoginEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
-import org.bukkit.event.server.PluginDisableEvent;
 
+import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
@@ -23,7 +27,7 @@ public class AccountManager extends Manager {
 
     public AccountManager() {
         for (Player player : Bukkit.getOnlinePlayers()) {
-            registerAccount(player);
+            loadAccount(player);
         }
 
         Bukkit.getAsyncScheduler().runAtFixedRate(Aetheria.INSTANCE, (task) -> {
@@ -40,7 +44,7 @@ public class AccountManager extends Manager {
     public static Account getAccount(Player player) {
         UUID uuid = player.getUniqueId();
         if (!ACCOUNTS.containsKey(uuid)) {
-            return registerAccount(player);
+            return loadAccount(player);
         }
         return ACCOUNTS.get(uuid);
     }
@@ -51,7 +55,7 @@ public class AccountManager extends Manager {
      * @param player the player
      * @return true if the account is already registered, false otherwise
      */
-    private boolean accountRegistered(Player player) {
+    private boolean isAccountLoaded(Player player) {
         return ACCOUNTS.containsKey(player.getUniqueId());
     }
 
@@ -60,7 +64,7 @@ public class AccountManager extends Manager {
      *
      * @param player the player
      */
-    private static Account registerAccount(Player player) {
+    private static Account loadAccount(Player player) {
         UUID uuid = player.getUniqueId();
         Account account = new Account(player);
         ACCOUNTS.put(uuid, account);
@@ -79,30 +83,53 @@ public class AccountManager extends Manager {
         log.info("Saved {} accounts. ({}ms)", ACCOUNTS.size(), System.currentTimeMillis() - before);
     }
 
-    @EventHandler
-    public void onJoin(PlayerJoinEvent event) {
+    @Override
+    public void onPlayerJoin(Account account, PlayerJoinEvent event) {
         Player player = event.getPlayer();
-        if (accountRegistered(player)) { // Account already registered
+        if (player.hasPlayedBefore()) {
             return;
         }
-        registerAccount(player);
+
+        event.joinMessage(null); // Remove the join message so we can send our own
+        Bukkit.broadcast(Style.getMiniMessage().deserialize(Lang.FIRST_JOIN_MESSAGE.getAsString()
+                .replace("%player%", player.getName())
+        ));
+
+        Aetheria.EXECUTOR.execute(() -> {
+            // todo: re-code this it's so ugly
+            DiscordWebhook discordWebhook = new DiscordWebhook(Config.DISCORD_LOG_WEBHOOK.getAsString());
+            DiscordWebhook.EmbedObject embed = new DiscordWebhook.EmbedObject();
+            embed.setTitle("New Player Joined");
+            embed.addField("Name", player.getName(), true);
+            embed.addField("UUID", player.getUniqueId().toString(), true);
+
+            discordWebhook.addEmbed(embed);
+            try {
+                discordWebhook.execute();
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        });
     }
 
-    @EventHandler
-    public void onQuit(PlayerQuitEvent event) {
+    @Override
+    public void onPlayerLogin(Account account, PlayerLoginEvent event) {
         Player player = event.getPlayer();
-        Account account = getAccount(player);
+        if (isAccountLoaded(player)) { // Account already loaded
+            return;
+        }
+        loadAccount(player);
+    }
+
+    @Override
+    public void onPlayerQuit(Account account, PlayerQuitEvent event) {
         account.save(true);
 
-        ACCOUNTS.remove(player.getUniqueId());
-    }
-
-    @EventHandler
-    public void onPluginDisable(PluginDisableEvent event) {
-        if (event.getPlugin() != Aetheria.INSTANCE) {
-            return;
+        ACCOUNTS.remove(account.getUuid());
     }
 
+    @Override
+    public void onAetheriaDisable() {
         this.saveAccounts(); // Save the accounts to disk
         ACCOUNTS.clear(); // Remove the accounts from the cache
     }

src/main/java/cc/fascinated/chat/ChatManager.java

@@ -1,7 +1,6 @@
 package cc.fascinated.chat;
 
 import cc.fascinated.account.Account;
-import cc.fascinated.account.AccountManager;
 import cc.fascinated.config.Lang;
 import cc.fascinated.utils.Manager;
 import cc.fascinated.utils.MessageUtils;
@@ -12,8 +11,6 @@ import lombok.RequiredArgsConstructor;
 import net.kyori.adventure.text.TextComponent;
 import net.kyori.adventure.text.format.NamedTextColor;
 import net.kyori.adventure.text.minimessage.MiniMessage;
-import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
 
 import java.util.HashMap;
 import java.util.regex.Pattern;
@@ -33,10 +30,8 @@ public class ChatManager extends Manager {
     private final Pattern domainPattern = Pattern.compile("^((?!-)[A-Za-z0-9-]{1,63}(?<!-)\\.)+[A-Za-z]{2,8}$");
     private final Pattern ipPattern = Pattern.compile("\\b(?:\\d{1,3}\\.){3}\\d{1,3}\\b");
 
-    @EventHandler
-    public void onChat(AsyncChatEvent event) {
-        Player player = event.getPlayer();
-        Account account = AccountManager.getAccount(player);
+    @Override
+    public void onAsyncChat(Account account, AsyncChatEvent event) {
         NamedTextColor color = account.getPlayerColorProfile().getColor();
         BlockReason blockReason = null;
 

src/main/java/cc/fascinated/event/EventListener.java

@@ -0,0 +1,23 @@
+package cc.fascinated.event;
+
+import cc.fascinated.account.Account;
+import cc.fascinated.utils.Priority;
+import io.papermc.paper.event.player.AsyncChatEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerLoginEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.event.server.ServerListPingEvent;
+
+public interface EventListener {
+
+    default Priority getPriority() {
+        return Priority.NORMAL;
+    }
+
+    default void onAetheriaDisable() {}
+    default void onPlayerJoin(Account account, PlayerJoinEvent event) {}
+    default void onPlayerLogin(Account account, PlayerLoginEvent event) {}
+    default void onPlayerQuit(Account account, PlayerQuitEvent event) {}
+    default void onAsyncChat(Account account, AsyncChatEvent event) {}
+    default void onServerListPing(ServerListPingEvent event) {}
+}

src/main/java/cc/fascinated/event/EventManager.java

@@ -0,0 +1,96 @@
+package cc.fascinated.event;
+
+import cc.fascinated.Aetheria;
+import cc.fascinated.account.Account;
+import cc.fascinated.account.AccountManager;
+import io.papermc.paper.event.player.AsyncChatEvent;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerLoginEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.event.server.PluginDisableEvent;
+import org.bukkit.event.server.ServerListPingEvent;
+
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+public class EventManager implements Listener {
+
+    /**
+     * All registered listeners.
+     */
+    private static final List<EventListener> LISTENERS = Collections.synchronizedList(new LinkedList<>());
+
+    public EventManager() {
+        Aetheria.INSTANCE.getServer().getPluginManager().registerEvents(this, Aetheria.INSTANCE);
+    }
+
+    /**
+     * Registers a new listener.
+     *
+     * @param listener the listener to register
+     */
+    public static void registerListener(EventListener listener) {
+        LISTENERS.add(listener);
+    }
+
+    @EventHandler
+    public void onPluginDisable(PluginDisableEvent event) {
+        if (event.getPlugin() != Aetheria.INSTANCE) {
+            return;
+        }
+        for (EventListener listener : LISTENERS) {
+            listener.onAetheriaDisable();
+        }
+    }
+
+    @EventHandler
+    public void onPlayerJoin(PlayerJoinEvent event) {
+        Player player = event.getPlayer();
+        Account account = AccountManager.getAccount(player);
+
+        for (EventListener listener : LISTENERS) {
+            listener.onPlayerJoin(account, event);
+        }
+    }
+
+    @EventHandler
+    public void onPlayerLogin(PlayerLoginEvent event) {
+        Player player = event.getPlayer();
+        Account account = AccountManager.getAccount(player);
+
+        for (EventListener listener : LISTENERS) {
+            listener.onPlayerLogin(account, event);
+        }
+    }
+
+    @EventHandler
+    public void onPlayerQuit(PlayerQuitEvent event) {
+        Player player = event.getPlayer();
+        Account account = AccountManager.getAccount(player);
+
+        for (EventListener listener : LISTENERS) {
+            listener.onPlayerQuit(account, event);
+        }
+    }
+
+    @EventHandler
+    public void onAsyncChat(AsyncChatEvent event) {
+        Player player = event.getPlayer();
+        Account account = AccountManager.getAccount(player);
+
+        for (EventListener listener : LISTENERS) {
+            listener.onAsyncChat(account, event);
+        }
+    }
+
+    @EventHandler
+    public void onServerListPing(ServerListPingEvent event) {
+        for (EventListener listener : LISTENERS) {
+            listener.onServerListPing(event);
+        }
+    }
+}

src/main/java/cc/fascinated/metrics/MetricManager.java

@@ -5,6 +5,7 @@ import cc.fascinated.config.Config;
 import cc.fascinated.metrics.impl.server.*;
 import cc.fascinated.metrics.impl.system.CpuUsageMetric;
 import cc.fascinated.metrics.impl.world.WorldSizeMetric;
+import cc.fascinated.utils.Manager;
 import com.influxdb.client.InfluxDBClient;
 import com.influxdb.client.InfluxDBClientFactory;
 import com.influxdb.client.InfluxDBClientOptions;
@@ -15,16 +16,13 @@ import com.influxdb.client.write.Point;
 import com.influxdb.client.write.WriteParameters;
 import lombok.extern.log4j.Log4j2;
 import org.bukkit.Bukkit;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.Listener;
-import org.bukkit.event.server.PluginDisableEvent;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 
 @Log4j2
-public class MetricManager implements Listener {
+public class MetricManager extends Manager {
 
     private InfluxDBClient influxDB;
     private WriteApiBlocking writeApi;
@@ -112,11 +110,8 @@ public class MetricManager implements Listener {
         metrics.add(metric);
     }
 
-    @EventHandler
-    public void onPluginDisable(PluginDisableEvent event) {
-        if (event.getPlugin() != Aetheria.INSTANCE) {
-            return;
-        }
+    @Override
+    public void onAetheriaDisable() {
         influxDB.close(); // close the connection
     }
 }

src/main/java/cc/fascinated/misc/PlayerVersionWarning.java

@@ -1,21 +1,19 @@
 package cc.fascinated.misc;
 
+import cc.fascinated.account.Account;
 import cc.fascinated.config.Config;
 import cc.fascinated.utils.Manager;
 import cc.fascinated.utils.Style;
 import com.viaversion.viaversion.api.Via;
-import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
 import org.bukkit.event.player.PlayerJoinEvent;
 
 public class PlayerVersionWarning extends Manager {
 
-    @EventHandler
-    public void onPlayerJoin(PlayerJoinEvent event) {
-        Player player = event.getPlayer();
-        int version = Via.getAPI().getPlayerVersion(player.getUniqueId());
+    @Override
+    public void onPlayerJoin(Account account, PlayerJoinEvent event) {
+        int version = Via.getAPI().getPlayerVersion(account.getUuid());
         if (version < Config.VERSION_WARNING_VERSION.getAsInt()) {
-            player.sendMessage(Style.getMiniMessage().deserialize(Config.VERSION_WARNING_MESSAGE.getAsString()));
+            account.sendMessage(Style.getMiniMessage().deserialize(Config.VERSION_WARNING_MESSAGE.getAsString()));
         }
     }
 }

src/main/java/cc/fascinated/motd/MotdManager.java

@@ -3,7 +3,6 @@ package cc.fascinated.motd;
 import cc.fascinated.config.Config;
 import cc.fascinated.utils.Manager;
 import net.kyori.adventure.text.minimessage.MiniMessage;
-import org.bukkit.event.EventHandler;
 import org.bukkit.event.server.ServerListPingEvent;
 
 import java.util.List;
@@ -18,8 +17,8 @@ public class MotdManager extends Manager {
         motds = Config.MOTD_LIST.getAsStringList();
     }
 
-    @EventHandler
-    public void onServerPing(ServerListPingEvent event) {
+    @Override
+    public void onServerListPing(ServerListPingEvent event) {
         MiniMessage miniMessage = MiniMessage.miniMessage();
         String motd = motds.get((int) (Math.random() * motds.size()));
 

src/main/java/cc/fascinated/playercolor/PlayerColorManager.java

@@ -1,15 +1,12 @@
 package cc.fascinated.playercolor;
 
 import cc.fascinated.account.Account;
-import cc.fascinated.account.AccountManager;
 import cc.fascinated.playercolor.command.PlayerColorCommand;
 import cc.fascinated.utils.Manager;
 import lombok.Getter;
 import net.kyori.adventure.text.format.NamedTextColor;
 import org.bukkit.Bukkit;
-import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.player.PlayerLoginEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.scoreboard.Scoreboard;
 import org.bukkit.scoreboard.Team;
@@ -80,23 +77,19 @@ public class PlayerColorManager extends Manager {
         return team;
     }
 
-    @EventHandler
-    public void onLogin(PlayerLoginEvent event) {
-        Player player = event.getPlayer();
-        Account account = AccountManager.getAccount(player);
+    @Override
+    public void onPlayerJoin(Account account, PlayerJoinEvent event) {
         PlayerColor playerColor = account.getPlayerColorProfile();
 
         Team team = PlayerColorManager.getScoreboardTeam(playerColor.getColor());
-        team.addEntry(player.getName());
+        team.addEntry(account.getName());
     }
 
-    @EventHandler
-    public void onQuit(PlayerQuitEvent event) {
-        Player player = event.getPlayer();
-        Account account = AccountManager.getAccount(player);
+    @Override
+    public void onPlayerQuit(Account account, PlayerQuitEvent event) {
         PlayerColor playerColor = account.getPlayerColorProfile();
 
         Team team = PlayerColorManager.getScoreboardTeam(playerColor.getColor());
-        team.removeEntry(player.getName());
+        team.removeEntry(account.getName());
     }
 }

src/main/java/cc/fascinated/utils/Manager.java

@@ -1,14 +1,14 @@
 package cc.fascinated.utils;
 
-import cc.fascinated.Aetheria;
 import cc.fascinated.command.Command;
 import cc.fascinated.command.CommandManager;
-import org.bukkit.event.Listener;
+import cc.fascinated.event.EventListener;
+import cc.fascinated.event.EventManager;
 
-public class Manager implements Listener {
+public class Manager implements EventListener {
 
     public Manager() {
-        Aetheria.INSTANCE.getServer().getPluginManager().registerEvents(this, Aetheria.INSTANCE);
+        EventManager.registerListener(this);
     }
 
     /**

src/main/java/cc/fascinated/utils/Priority.java

@@ -0,0 +1,29 @@
+package cc.fascinated.utils;
+
+public enum Priority {
+
+    /**
+     * The lowest priority, this will be called first.
+     */
+    LOWEST,
+
+    /**
+     * The low priority, this will be called second.
+     */
+    LOW,
+
+    /**
+     * The normal priority, this has no effect.
+     */
+    NORMAL,
+
+    /**
+     * The high priority, this will be called second to last.
+     */
+    HIGH,
+
+    /**
+     * The highest priority, this will be called last.
+     */
+    HIGHEST
+}