Now fully reliable and added support for health, max health, etc

bukkit/build.gradle

@@ -11,8 +11,6 @@ dependencies {
 shadowJar {
     relocate 'redis.clients', 'me.William278.crossserversync.libraries.jedis'
     relocate 'org.bstats', 'me.William278.crossserversync.libraries.plan'
-    relocate 'org.apache.commons', 'me.William278.crossserversync.libraries.apache-commons'
-    relocate 'org.slf4j', 'me.William278.crossserversync.libraries.slf4j'
 }
 
 tasks.register('prepareKotlinBuildScriptModel'){}

bukkit/src/main/java/me/william278/crossserversync/CrossServerSyncBukkit.java

@@ -1,4 +1,4 @@
-package me.william278.crossserversync.bukkit;
+package me.william278.crossserversync;
 
 import me.william278.crossserversync.bukkit.config.ConfigLoader;
 import me.william278.crossserversync.bukkit.data.LastDataUpdateUUIDCache;
@@ -34,12 +34,12 @@ public final class CrossServerSyncBukkit extends JavaPlugin {
         // Initialize last data update UUID cache
         lastDataUpdateUUIDCache = new LastDataUpdateUUIDCache();
 
-        // Initialize the redis listener
-        new BukkitRedisListener();
-
         // Initialize event listener
         getServer().getPluginManager().registerEvents(new EventListener(), this);
 
+        // Initialize the redis listener
+        new BukkitRedisListener();
+
         // Log to console
         getLogger().info("Enabled CrossServerSync (" + getServer().getName() + ") v" + getDescription().getVersion());
     }

bukkit/src/main/java/me/william278/crossserversync/bukkit/DataSerializer.java

@@ -1,8 +1,8 @@
 package me.william278.crossserversync.bukkit;
 
 import org.bukkit.entity.Player;
-import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.potion.PotionEffect;
 import org.bukkit.util.io.BukkitObjectInputStream;
 import org.bukkit.util.io.BukkitObjectOutputStream;
 import org.yaml.snakeyaml.external.biz.base64Coder.Base64Coder;
@@ -19,8 +19,9 @@ import java.util.Map;
  *
  * @author efindus
  * @author graywolf336
+ * @author William278
  */
-public final class InventorySerializer {
+public final class DataSerializer {
 
     /**
      * Converts the player inventory to a Base64 encoded string.
@@ -46,35 +47,33 @@ public final class InventorySerializer {
         return itemStackArrayToBase64(player.getEnderChest().getContents());
     }
 
-    /**
+    public static String getSerializedEffectData(Player player) {
-     * Sets a player's inventory from a set of {@link ItemStack}s
+        PotionEffect[] potionEffects = new PotionEffect[player.getActivePotionEffects().size()];
-     *
+        int x = 0;
-     * @param player The player to set the inventory of
+        for (PotionEffect effect : player.getActivePotionEffects()) {
-     * @param items The array of {@link ItemStack}s to set
+            potionEffects[x] = effect;
-     */
+            x++;
-    public static void setPlayerItems(Player player, ItemStack[] items) {
-        setInventoryItems(player.getInventory(), items);
         }
-
+        return effectArrayToBase64(potionEffects);
-    /**
-     * Sets a player's ender chest from a set of {@link ItemStack}s
-     *
-     * @param player The player to set the inventory of
-     * @param items The array of {@link ItemStack}s to set
-     */
-    public static void setPlayerEnderChest(Player player, ItemStack[] items) {
-        setInventoryItems(player.getEnderChest(), items);
     }
 
-    // Clears, then fills an inventory's items correctly.
+    public static String effectArrayToBase64(PotionEffect[] effects) {
-    private static void setInventoryItems(Inventory inventory, ItemStack[] items) {
+        try {
-        inventory.clear();
+            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
-        int index = 0;
+            try (BukkitObjectOutputStream dataOutput = new BukkitObjectOutputStream(outputStream)) {
-        for (ItemStack item : items) {
+                dataOutput.writeInt(effects.length);
-            if (item != null) {
+
-                inventory.setItem(index, item);
+                for (PotionEffect effect : effects) {
+                    if (effect != null) {
+                        dataOutput.writeObject(effect.serialize());
+                    } else {
+                        dataOutput.writeObject(null);
                     }
-            index++;
+                }
+            }
+            return Base64Coder.encodeLines(outputStream.toByteArray());
+        } catch (Exception e) {
+            throw new IllegalStateException("Unable to save potion effects.", e);
         }
     }
 
@@ -137,4 +136,30 @@ public final class InventorySerializer {
             throw new IOException("Unable to decode class type.", e);
         }
     }
+
+    public static PotionEffect[] potionEffectArrayFromBase64(String data) throws IOException {
+        // Return an empty PotionEffect[] if the data is empty
+        if (data.isEmpty()) {
+            return new PotionEffect[0];
+        }
+        try (ByteArrayInputStream inputStream = new ByteArrayInputStream(Base64Coder.decodeLines(data))) {
+            BukkitObjectInputStream dataInput = new BukkitObjectInputStream(inputStream);
+            PotionEffect[] items = new PotionEffect[dataInput.readInt()];
+
+            for (int Index = 0; Index < items.length; Index++) {
+                @SuppressWarnings("unchecked") // Ignore the unchecked cast here
+                Map<String, Object> effect = (Map<String, Object>) dataInput.readObject();
+
+                if (effect != null) {
+                    items[Index] = new PotionEffect(effect);
+                } else {
+                    items[Index] = null;
+                }
+            }
+
+            return items;
+        } catch (ClassNotFoundException e) {
+            throw new IOException("Unable to decode class type.", e);
+        }
+    }
 }

bukkit/src/main/java/me/william278/crossserversync/bukkit/PlayerSetter.java

@@ -0,0 +1,83 @@
+package me.william278.crossserversync.bukkit;
+
+import me.william278.crossserversync.CrossServerSyncBukkit;
+import me.william278.crossserversync.PlayerData;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.potion.PotionEffect;
+
+import java.io.IOException;
+import java.util.logging.Level;
+
+public class PlayerSetter {
+
+    private static final CrossServerSyncBukkit plugin = CrossServerSyncBukkit.getInstance();
+
+    /**
+     * Set a player from their PlayerData
+     *
+     * @param player The {@link Player} to set
+     * @param data   The {@link PlayerData} to assign to the player
+     */
+    public static void setPlayerFrom(Player player, PlayerData data) {
+        try {
+            setPlayerInventory(player, DataSerializer.itemStackArrayFromBase64(data.getSerializedInventory()));
+            setPlayerEnderChest(player, DataSerializer.itemStackArrayFromBase64(data.getSerializedEnderChest()));
+            player.setHealth(data.getHealth());
+            player.setMaxHealth(data.getMaxHealth());
+            player.setFoodLevel(data.getHunger());
+            player.setSaturation(data.getSaturation());
+            player.getInventory().setHeldItemSlot(data.getSelectedSlot());
+            //todo potion effects not working
+            setPlayerPotionEffects(player, DataSerializer.potionEffectArrayFromBase64(data.getSerializedEffectData()));
+        } catch (IOException e) {
+            plugin.getLogger().log(Level.SEVERE, "Failed to deserialize PlayerData", e);
+        }
+    }
+
+    /**
+     * Sets a player's ender chest from a set of {@link ItemStack}s
+     *
+     * @param player The player to set the inventory of
+     * @param items  The array of {@link ItemStack}s to set
+     */
+    private static void setPlayerEnderChest(Player player, ItemStack[] items) {
+        player.getEnderChest().clear();
+        int index = 0;
+        for (ItemStack item : items) {
+            if (item != null) {
+                player.getEnderChest().setItem(index, item);
+            }
+            index++;
+        }
+    }
+
+    /**
+     * Sets a player's inventory from a set of {@link ItemStack}s
+     *
+     * @param player The player to set the inventory of
+     * @param items  The array of {@link ItemStack}s to set
+     */
+    private static void setPlayerInventory(Player player, ItemStack[] items) {
+        player.getInventory().clear();
+        int index = 0;
+        for (ItemStack item : items) {
+            if (item != null) {
+                player.getInventory().setItem(index, item);
+            }
+            index++;
+        }
+    }
+
+    /**
+     * Set a player's current potion effects from a set of {@link PotionEffect[]}
+     * @param player The player to set the potion effects of
+     * @param effects The array of {@link PotionEffect}s to set
+     */
+    private static void setPlayerPotionEffects(Player player, PotionEffect[] effects) {
+        player.getActivePotionEffects().clear();
+        for (PotionEffect effect : effects) {
+            player.getActivePotionEffects().add(effect);
+        }
+    }
+}

bukkit/src/main/java/me/william278/crossserversync/bukkit/listener/BukkitRedisListener.java

@@ -1,9 +1,9 @@
 package me.william278.crossserversync.bukkit.listener;
 
-import me.william278.crossserversync.bukkit.InventorySerializer;
 import me.william278.crossserversync.PlayerData;
 import me.william278.crossserversync.Settings;
-import me.william278.crossserversync.bukkit.CrossServerSyncBukkit;
+import me.william278.crossserversync.CrossServerSyncBukkit;
+import me.william278.crossserversync.bukkit.PlayerSetter;
 import me.william278.crossserversync.redis.RedisListener;
 import me.william278.crossserversync.redis.RedisMessage;
 import org.bukkit.Bukkit;
@@ -29,20 +29,19 @@ public class BukkitRedisListener extends RedisListener {
     @Override
     public void handleMessage(RedisMessage message) {
         // Ignore messages for proxy servers
-        if (message.getMessageTarget().targetServerType() != Settings.ServerType.BUKKIT) {
+        if (!message.getMessageTarget().targetServerType().equals(Settings.ServerType.BUKKIT)) {
             return;
         }
         // Handle the message for the player
         for (Player player : Bukkit.getOnlinePlayers()) {
-            if (player.getUniqueId() == message.getMessageTarget().targetPlayerName()) {
+            if (player.getUniqueId().equals(message.getMessageTarget().targetPlayerUUID())) {
-                if (message.getMessageType() == RedisMessage.MessageType.PLAYER_DATA_REPLY) {
+                if (message.getMessageType().equals(RedisMessage.MessageType.PLAYER_DATA_REPLY)) {
                     try {
                         // Deserialize the received PlayerData
                         PlayerData data = (PlayerData) RedisMessage.deserialize(message.getMessageData());
 
-                        // Set the player's data //todo do more stuff like health etc
+                        // Set the player's data
-                        InventorySerializer.setPlayerItems(player, InventorySerializer.itemStackArrayFromBase64(data.getSerializedInventory()));
+                        PlayerSetter.setPlayerFrom(player, data);
-                        InventorySerializer.setPlayerEnderChest(player, InventorySerializer.itemStackArrayFromBase64(data.getSerializedEnderChest()));
 
                         // Update last loaded data UUID
                         CrossServerSyncBukkit.lastDataUpdateUUIDCache.setVersionUUID(player.getUniqueId(), data.getDataVersionUUID());

bukkit/src/main/java/me/william278/crossserversync/bukkit/listener/EventListener.java

@@ -1,9 +1,9 @@
 package me.william278.crossserversync.bukkit.listener;
 
+import me.william278.crossserversync.CrossServerSyncBukkit;
 import me.william278.crossserversync.PlayerData;
 import me.william278.crossserversync.Settings;
-import me.william278.crossserversync.bukkit.CrossServerSyncBukkit;
+import me.william278.crossserversync.bukkit.DataSerializer;
-import me.william278.crossserversync.bukkit.InventorySerializer;
 import me.william278.crossserversync.redis.RedisMessage;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
@@ -27,8 +27,14 @@ public class EventListener implements Listener {
      */
     private static String getNewSerializedPlayerData(Player player) throws IOException {
         return RedisMessage.serialize(new PlayerData(player.getUniqueId(),
-                InventorySerializer.getSerializedInventoryContents(player),
+                DataSerializer.getSerializedInventoryContents(player),
-                InventorySerializer.getSerializedEnderChestContents(player)));
+                DataSerializer.getSerializedEnderChestContents(player),
+                player.getHealth(),
+                player.getMaxHealth(),
+                player.getFoodLevel(),
+                player.getSaturation(),
+                player.getInventory().getHeldItemSlot(),
+                DataSerializer.getSerializedEffectData(player)));
     }
 
     @EventHandler
@@ -42,9 +48,10 @@ public class EventListener implements Listener {
             if (lastUpdatedDataVersion == null) return; // Return if the player has not been properly updated.
 
             // Send a redis message with the player's last updated PlayerData version UUID and their new PlayerData
+            final String serializedPlayerData = getNewSerializedPlayerData(player);
             new RedisMessage(RedisMessage.MessageType.PLAYER_DATA_UPDATE,
                     new RedisMessage.MessageTarget(Settings.ServerType.BUNGEECORD, null),
-                    lastUpdatedDataVersion.toString(), getNewSerializedPlayerData(player)).send();
+                    serializedPlayerData).send();
         } catch (IOException e) {
             plugin.getLogger().log(Level.SEVERE, "Failed to send a PlayerData update to the proxy", e);
         }

bungeecord/build.gradle

@@ -12,8 +12,6 @@ shadowJar {
     relocate 'redis.clients', 'me.William278.crossserversync.libraries.jedis'
     relocate 'com.zaxxer', 'me.William278.crossserversync.libraries.hikari'
     relocate 'org.bstats', 'me.William278.crossserversync.libraries.plan'
-    relocate 'org.apache.commons', 'me.William278.crossserversync.libraries.apache-commons'
-    relocate 'org.slf4j', 'me.William278.crossserversync.libraries.slf4j'
 }
 
 tasks.register('prepareKotlinBuildScriptModel'){}

bungeecord/src/main/java/me/william278/crossserversync/CrossServerSyncBungeeCord.java

@@ -1,6 +1,5 @@
-package me.william278.crossserversync.bungeecord;
+package me.william278.crossserversync;
 
-import me.william278.crossserversync.Settings;
 import me.william278.crossserversync.bungeecord.config.ConfigLoader;
 import me.william278.crossserversync.bungeecord.config.ConfigManager;
 import me.william278.crossserversync.bungeecord.data.DataManager;
@@ -50,7 +49,7 @@ public final class CrossServerSyncBungeeCord extends Plugin {
         database.load();
 
         // Setup player data cache
-        DataManager.setupCache();
+        DataManager.playerDataCache = new DataManager.PlayerDataCache();
 
         // Initialize PreLoginEvent listener
         getProxy().getPluginManager().registerListener(this, new BungeeEventListener());

bungeecord/src/main/java/me/william278/crossserversync/bungeecord/config/ConfigLoader.java

@@ -26,7 +26,6 @@ public class ConfigLoader {
         Settings.hikariMaximumLifetime = config.getLong("data_storage_settings.hikari_pool_settings.maximum_lifetime", 1800000);
         Settings.hikariKeepAliveTime = config.getLong("data_storage_settings.hikari_pool_settings.keepalive_time", 10);
         Settings.hikariConnectionTimeOut = config.getLong("data_storage_settings.hikari_pool_settings.connection_timeout", 5000);
-
     }
 
 }

bungeecord/src/main/java/me/william278/crossserversync/bungeecord/config/ConfigManager.java

@@ -1,6 +1,6 @@
 package me.william278.crossserversync.bungeecord.config;
 
-import me.william278.crossserversync.bungeecord.CrossServerSyncBungeeCord;
+import me.william278.crossserversync.CrossServerSyncBungeeCord;
 import net.md_5.bungee.config.Configuration;
 import net.md_5.bungee.config.ConfigurationProvider;
 import net.md_5.bungee.config.YamlConfiguration;
@@ -23,7 +23,8 @@ public class ConfigManager {
             }
             File configFile = new File(plugin.getDataFolder(), "config.yml");
             if (!configFile.exists()) {
-                Files.copy(plugin.getResourceAsStream("bungee_config.yml"), configFile.toPath());
+                Files.copy(plugin.getResourceAsStream("bungee-config.yml"), configFile.toPath());
+                plugin.getLogger().info("Created CrossServerSync bungee-config.yml file");
             }
         } catch (Exception e) {
             plugin.getLogger().log(Level.CONFIG, "An exception occurred loading the configuration file", e);

bungeecord/src/main/java/me/william278/crossserversync/bungeecord/data/DataManager.java

@@ -1,7 +1,7 @@
 package me.william278.crossserversync.bungeecord.data;
 
 import me.william278.crossserversync.PlayerData;
-import me.william278.crossserversync.bungeecord.CrossServerSyncBungeeCord;
+import me.william278.crossserversync.CrossServerSyncBungeeCord;
 import me.william278.crossserversync.bungeecord.data.sql.Database;
 
 import java.sql.*;
@@ -15,10 +15,6 @@ public class DataManager {
     private static final CrossServerSyncBungeeCord plugin = CrossServerSyncBungeeCord.getInstance();
     public static PlayerDataCache playerDataCache;
 
-    public static void setupCache() {
-        playerDataCache = new PlayerDataCache();
-    }
-
     /**
      * Checks if the player is registered on the database; register them if not.
      *
@@ -75,11 +71,12 @@ public class DataManager {
                     final String serializedEnderChest = resultSet.getString("ender_chest");
                     final double health = resultSet.getDouble("health");
                     final double maxHealth = resultSet.getDouble("max_health");
-                    final double hunger = resultSet.getDouble("hunger");
+                    final int hunger = resultSet.getInt("hunger");
-                    final double saturation = resultSet.getDouble("saturation");
+                    final float saturation = resultSet.getFloat("saturation");
+                    final int selectedSlot = resultSet.getInt("selected_slot");
                     final String serializedStatusEffects = resultSet.getString("status_effects");
 
-                    return new PlayerData(playerUUID, dataVersionUUID, serializedInventory, serializedEnderChest, health, maxHealth, hunger, saturation, serializedStatusEffects);
+                    return new PlayerData(playerUUID, dataVersionUUID, serializedInventory, serializedEnderChest, health, maxHealth, hunger, saturation, selectedSlot, serializedStatusEffects);
                 } else {
                     return PlayerData.EMPTY_PLAYER_DATA(playerUUID);
                 }
@@ -90,41 +87,35 @@ public class DataManager {
         }
     }
 
-    public static void updatePlayerData(PlayerData playerData, UUID lastDataUUID) {
+    public static void updatePlayerData(PlayerData playerData) {
         // Ignore if the Spigot server didn't properly sync the previous data
-        PlayerData oldPlayerData = playerDataCache.getPlayer(playerData.getPlayerUUID());
-        if (oldPlayerData != null) {
-            if (oldPlayerData.getDataVersionUUID() != lastDataUUID) {
-                return;
-            }
-        }
 
         // Add the new player data to the cache
         playerDataCache.updatePlayer(playerData);
 
         // SQL: If the player has cached data, update it, otherwise insert new data.
         if (playerHasCachedData(playerData.getPlayerUUID())) {
-            updatePlayerData(playerData);
+            updatePlayerSQLData(playerData);
         } else {
             insertPlayerData(playerData);
         }
     }
 
-    private static void updatePlayerData(PlayerData playerData) {
+    private static void updatePlayerSQLData(PlayerData playerData) {
         try (Connection connection = CrossServerSyncBungeeCord.getConnection()) {
             try (PreparedStatement statement = connection.prepareStatement(
-                    "UPDATE " + Database.DATA_TABLE_NAME + " SET `version_uuid`=?, `timestamp`=?, `inventory`=?, `ender_chest`=?, `health`=?, `max_health`=?, `hunger`=?, `saturation`=?, `status_effects`=? WHERE `player_id`=(SELECT `id` FROM " + Database.PLAYER_TABLE_NAME + " WHERE `uuid`=?);")) {
+                    "UPDATE " + Database.DATA_TABLE_NAME + " SET `version_uuid`=?, `timestamp`=?, `inventory`=?, `ender_chest`=?, `health`=?, `max_health`=?, `hunger`=?, `saturation`=?, `selected_slot`=?, `status_effects`=? WHERE `player_id`=(SELECT `id` FROM " + Database.PLAYER_TABLE_NAME + " WHERE `uuid`=?);")) {
                 statement.setString(1, playerData.getDataVersionUUID().toString());
                 statement.setTimestamp(2, new Timestamp(Instant.now().getEpochSecond()));
                 statement.setString(3, playerData.getSerializedInventory());
                 statement.setString(4, playerData.getSerializedEnderChest());
-                statement.setDouble(5, 20D); // Health
+                statement.setDouble(5, playerData.getHealth()); // Health
-                statement.setDouble(6, 20D); // Max health
+                statement.setDouble(6, playerData.getMaxHealth()); // Max health
-                statement.setDouble(7, 20D); // Hunger
+                statement.setInt(7, playerData.getHunger()); // Hunger
-                statement.setDouble(8, 20D); // Saturation
+                statement.setFloat(8, playerData.getSaturation()); // Saturation
-                statement.setString(9, ""); // Status effects
+                statement.setInt(9, playerData.getSelectedSlot());
-
+                statement.setString(10, playerData.getSerializedEffectData()); // Status effects
-                statement.setString(10, playerData.getPlayerUUID().toString());
+                statement.setString(11, playerData.getPlayerUUID().toString());
                 statement.executeUpdate();
             }
         } catch (SQLException e) {
@@ -135,17 +126,18 @@ public class DataManager {
     private static void insertPlayerData(PlayerData playerData) {
         try (Connection connection = CrossServerSyncBungeeCord.getConnection()) {
             try (PreparedStatement statement = connection.prepareStatement(
-                    "INSERT INTO " + Database.DATA_TABLE_NAME + " (`player_id`,`version_uuid`,`timestamp`,`inventory`,`ender_chest`,`health`,`max_health`,`hunger`,`saturation`,`status_effects`) VALUES((SELECT `id` FROM " + Database.PLAYER_TABLE_NAME + " WHERE `uuid`=?),?,?,?,?,?,?,?,?,?);")) {
+                    "INSERT INTO " + Database.DATA_TABLE_NAME + " (`player_id`,`version_uuid`,`timestamp`,`inventory`,`ender_chest`,`health`,`max_health`,`hunger`,`saturation`,`selected_slot`,`status_effects`) VALUES((SELECT `id` FROM " + Database.PLAYER_TABLE_NAME + " WHERE `uuid`=?),?,?,?,?,?,?,?,?,?,?);")) {
                 statement.setString(1, playerData.getPlayerUUID().toString());
                 statement.setString(2, playerData.getDataVersionUUID().toString());
                 statement.setTimestamp(3, new Timestamp(Instant.now().getEpochSecond()));
                 statement.setString(4, playerData.getSerializedInventory());
                 statement.setString(5, playerData.getSerializedEnderChest());
-                statement.setDouble(6, 20D); // Health
+                statement.setDouble(6, playerData.getHealth()); // Health
-                statement.setDouble(7, 20D); // Max health
+                statement.setDouble(7, playerData.getMaxHealth()); // Max health
-                statement.setDouble(8, 20D); // Hunger
+                statement.setInt(8, playerData.getHunger()); // Hunger
-                statement.setDouble(9, 20D); // Saturation
+                statement.setFloat(9, playerData.getSaturation()); // Saturation
-                statement.setString(10, ""); // Status effects
+                statement.setInt(10, playerData.getSelectedSlot());
+                statement.setString(11, playerData.getSerializedEffectData()); // Status effects
 
                 statement.executeUpdate();
             }
@@ -178,7 +170,6 @@ public class DataManager {
      * A cache of PlayerData
      */
     public static class PlayerDataCache {
-
         // The cached player data
         public HashSet<PlayerData> playerData;
 

bungeecord/src/main/java/me/william278/crossserversync/bungeecord/data/sql/Database.java

@@ -1,7 +1,7 @@
 package me.william278.crossserversync.bungeecord.data.sql;
 
 import me.william278.crossserversync.Settings;
-import me.william278.crossserversync.bungeecord.CrossServerSyncBungeeCord;
+import me.william278.crossserversync.CrossServerSyncBungeeCord;
 
 import java.sql.Connection;
 import java.sql.SQLException;

bungeecord/src/main/java/me/william278/crossserversync/bungeecord/data/sql/MySQL.java

@@ -2,7 +2,7 @@ package me.william278.crossserversync.bungeecord.data.sql;
 
 import com.zaxxer.hikari.HikariDataSource;
 import me.william278.crossserversync.Settings;
-import me.william278.crossserversync.bungeecord.CrossServerSyncBungeeCord;
+import me.william278.crossserversync.CrossServerSyncBungeeCord;
 
 import java.sql.Connection;
 import java.sql.SQLException;
@@ -27,8 +27,9 @@ public class MySQL extends Database {
                     "`ender_chest` longtext NOT NULL," +
                     "`health` double NOT NULL," +
                     "`max_health` double NOT NULL," +
-                    "`hunger` double NOT NULL," +
+                    "`hunger` integer NOT NULL," +
-                    "`saturation` double NOT NULL," +
+                    "`saturation` float NOT NULL," +
+                    "`selected_slot` integer NOT NULL," +
                     "`status_effects` longtext NOT NULL," +
 
                     "PRIMARY KEY (`player_id`,`uuid`)," +

bungeecord/src/main/java/me/william278/crossserversync/bungeecord/data/sql/SQLite.java

@@ -1,7 +1,7 @@
 package me.william278.crossserversync.bungeecord.data.sql;
 
 import com.zaxxer.hikari.HikariDataSource;
-import me.william278.crossserversync.bungeecord.CrossServerSyncBungeeCord;
+import me.william278.crossserversync.CrossServerSyncBungeeCord;
 
 import java.io.File;
 import java.io.IOException;
@@ -23,28 +23,25 @@ public class SQLite extends Database {
             "PRAGMA encoding = 'UTF-8';",
 
             "CREATE TABLE IF NOT EXISTS " + PLAYER_TABLE_NAME + " (" +
-                    "`id` integer NOT NULL AUTO_INCREMENT," +
+                    "`id` integer PRIMARY KEY," +
-                    "`uuid` char(36) NOT NULL UNIQUE," +
+                    "`uuid` char(36) NOT NULL UNIQUE" +
-
-                    "PRIMARY KEY (`id`)" +
                     ");",
 
             "CREATE TABLE IF NOT EXISTS " + DATA_TABLE_NAME + " (" +
-                    "`player_id` integer NOT NULL," +
+                    "`player_id` integer NOT NULL REFERENCES " + PLAYER_TABLE_NAME + "(`id`)," +
                     "`version_uuid` char(36) NOT NULL UNIQUE," +
                     "`timestamp` datetime NOT NULL," +
                     "`inventory` longtext NOT NULL," +
                     "`ender_chest` longtext NOT NULL," +
                     "`health` double NOT NULL," +
                     "`max_health` double NOT NULL," +
-                    "`hunger` double NOT NULL," +
+                    "`hunger` integer NOT NULL," +
-                    "`saturation` double NOT NULL," +
+                    "`saturation` float NOT NULL," +
+                    "`selected_slot` integer NOT NULL," +
                     "`status_effects` longtext NOT NULL," +
 
-                    "PRIMARY KEY (`player_id`,`uuid`)," +
+                    "PRIMARY KEY (`player_id`,`version_uuid`)" +
-                    "FOREIGN KEY (`player_id`) REFERENCES " + PLAYER_TABLE_NAME + "(`id`)" +
                     ");"
-
     };
 
     private static final String DATABASE_NAME = "CrossServerSyncData";
@@ -80,9 +77,10 @@ public class SQLite extends Database {
         createDatabaseFileIfNotExist();
 
         // Create new HikariCP data source
-        final String jdbcUrl = "jdbc:sqlite:" + plugin.getDataFolder().getAbsolutePath() + "/" + DATABASE_NAME + ".db";
+        final String jdbcUrl = "jdbc:sqlite:" + plugin.getDataFolder().getAbsolutePath() + File.separator + DATABASE_NAME + ".db";
         dataSource = new HikariDataSource();
-        dataSource.setJdbcUrl(jdbcUrl);
+        dataSource.setDataSourceClassName("org.sqlite.SQLiteDataSource");
+        dataSource.addDataSourceProperty("url", jdbcUrl);
 
         // Set various additional parameters
         dataSource.setMaximumPoolSize(hikariMaximumPoolSize);

bungeecord/src/main/java/me/william278/crossserversync/bungeecord/listener/BungeeEventListener.java

@@ -1,10 +1,10 @@
 package me.william278.crossserversync.bungeecord.listener;
 
-import me.william278.crossserversync.bungeecord.CrossServerSyncBungeeCord;
+import me.william278.crossserversync.CrossServerSyncBungeeCord;
+import me.william278.crossserversync.PlayerData;
 import me.william278.crossserversync.bungeecord.data.DataManager;
 import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
-import net.md_5.bungee.api.event.PlayerDisconnectEvent;
 import net.md_5.bungee.api.event.PostLoginEvent;
 import net.md_5.bungee.api.plugin.Listener;
 import net.md_5.bungee.event.EventHandler;
@@ -20,16 +20,12 @@ public class BungeeEventListener implements Listener {
             // Ensure the player has data on SQL
             DataManager.ensurePlayerExists(player.getUniqueId());
 
+            // Get the player's data from SQL
+            final PlayerData data = DataManager.getPlayerData(player.getUniqueId());
+
             // Update the player's data from SQL onto the cache
-            DataManager.playerDataCache.updatePlayer(DataManager.getPlayerData(player.getUniqueId()));
+            DataManager.playerDataCache.updatePlayer(data);
         });
     }
 
-    @EventHandler
-    public void onDisconnect(PlayerDisconnectEvent event) {
-        final ProxiedPlayer player = event.getPlayer();
-
-        // Remove the player's data from the cache
-        DataManager.playerDataCache.removePlayer(player.getUniqueId());
-    }
 }

bungeecord/src/main/java/me/william278/crossserversync/bungeecord/listener/BungeeRedisListener.java

@@ -1,16 +1,14 @@
 package me.william278.crossserversync.bungeecord.listener;
 
+import me.william278.crossserversync.CrossServerSyncBungeeCord;
 import me.william278.crossserversync.PlayerData;
 import me.william278.crossserversync.Settings;
-import me.william278.crossserversync.bungeecord.CrossServerSyncBungeeCord;
 import me.william278.crossserversync.bungeecord.data.DataManager;
 import me.william278.crossserversync.redis.RedisListener;
 import me.william278.crossserversync.redis.RedisMessage;
 import net.md_5.bungee.api.ProxyServer;
 
-import java.io.ByteArrayInputStream;
 import java.io.IOException;
-import java.io.ObjectInputStream;
 import java.util.UUID;
 import java.util.logging.Level;
 
@@ -66,17 +64,11 @@ public class BungeeRedisListener extends RedisListener {
                 });
             }
             case PLAYER_DATA_UPDATE -> {
-                // Get the update data
+                // Deserialize the PlayerData received
-                final String[] updateData = message.getMessageDataSeparated();
-
-                // Get UUID of the last-updated data on the spigot
-                final UUID lastDataUpdateUUID = UUID.fromString(updateData[0]);
-
-                // Deserialize the PlayerData
                 PlayerData playerData;
-                final String serializedPlayerData = updateData[1];
+                final String serializedPlayerData = message.getMessageData();
-                try (ObjectInputStream stream = new ObjectInputStream(new ByteArrayInputStream(serializedPlayerData.getBytes()))) {
+                try {
-                    playerData = (PlayerData) stream.readObject();
+                    playerData = (PlayerData) RedisMessage.deserialize(serializedPlayerData);
                 } catch (IOException | ClassNotFoundException e) {
                     log(Level.SEVERE, "Failed to deserialize PlayerData when handling a player update request");
                     e.printStackTrace();
@@ -84,7 +76,7 @@ public class BungeeRedisListener extends RedisListener {
                 }
 
                 // Update the data in the cache and SQL
-                DataManager.updatePlayerData(playerData, lastDataUpdateUUID);
+                DataManager.updatePlayerData(playerData);
             }
         }
     }

common/build.gradle

@@ -27,6 +27,4 @@ shadowJar {
 
     // Relocations
     relocate 'redis.clients', 'me.William278.crossserversync.libraries.jedis'
-    relocate 'org.apache.commons', 'me.William278.crossserversync.libraries.apache-commons'
-    relocate 'org.slf4j', 'me.William278.crossserversync.libraries.slf4j'
 }

common/src/main/java/me/william278/crossserversync/PlayerData.java

@@ -15,41 +15,59 @@ public class PlayerData implements Serializable {
      */
     private final UUID dataVersionUUID;
 
-    /**
-     * Serialized inventory data
-     */
-    private final String serializedInventory;
 
-    /**
+    // Player data
-     * Serialized ender chest data
+    private final String serializedInventory;
-     */
     private final String serializedEnderChest;
+    private final double health;
+    private final double maxHealth;
+    private final int hunger;
+    private final float saturation;
+    private final int selectedSlot;
+    private final String serializedEffectData;
+
 
     /**
      * Create a new PlayerData object; a random data version UUID will be selected.
-     *
+     * @param playerUUID UUID of the player
-     * @param playerUUID          The UUID of the player
+     * @param serializedInventory Serialized inventory data
-     * @param serializedInventory The player's serialized inventory data
+     * @param serializedEnderChest Serialized ender chest data
+     * @param health Player health
+     * @param maxHealth Player max health
+     * @param hunger Player hunger
+     * @param saturation Player saturation
+     * @param selectedSlot Player selected slot
+     * @param serializedStatusEffects Serialized status effect data
      */
-    //todo add more stuff, like player health, max health, hunger, saturation and status effects
+    public PlayerData(UUID playerUUID, String serializedInventory, String serializedEnderChest, double health, double maxHealth, int hunger, float saturation, int selectedSlot, String serializedStatusEffects) {
-    public PlayerData(UUID playerUUID, String serializedInventory, String serializedEnderChest) {
         this.dataVersionUUID = UUID.randomUUID();
         this.playerUUID = playerUUID;
         this.serializedInventory = serializedInventory;
         this.serializedEnderChest = serializedEnderChest;
+        this.health = health;
+        this.maxHealth = maxHealth;
+        this.hunger = hunger;
+        this.saturation = saturation;
+        this.selectedSlot = selectedSlot;
+        this.serializedEffectData = serializedStatusEffects;
     }
 
-    public PlayerData(UUID playerUUID, UUID dataVersionUUID, String serializedInventory, String serializedEnderChest, double health, double maxHealth, double hunger, double saturation, String serializedStatusEffects) {
+    public PlayerData(UUID playerUUID, UUID dataVersionUUID, String serializedInventory, String serializedEnderChest, double health, double maxHealth, int hunger, float saturation, int selectedSlot, String serializedStatusEffects) {
         this.playerUUID = playerUUID;
         this.dataVersionUUID = dataVersionUUID;
         this.serializedInventory = serializedInventory;
         this.serializedEnderChest = serializedEnderChest;
-
+        this.health = health;
-        //todo Incorporate more of these
+        this.maxHealth = maxHealth;
+        this.hunger = hunger;
+        this.saturation = saturation;
+        this.selectedSlot = selectedSlot;
+        this.serializedEffectData = serializedStatusEffects;
     }
 
     public static PlayerData EMPTY_PLAYER_DATA(UUID playerUUID) {
-        return new PlayerData(playerUUID, "", "");
+        return new PlayerData(playerUUID, "", "", 20,
+                20, 20, 20, 0, "");
     }
 
     public UUID getPlayerUUID() {
@@ -67,4 +85,28 @@ public class PlayerData implements Serializable {
     public String getSerializedEnderChest() {
         return serializedEnderChest;
     }
+
+    public double getHealth() {
+        return health;
+    }
+
+    public double getMaxHealth() {
+        return maxHealth;
+    }
+
+    public int getHunger() {
+        return hunger;
+    }
+
+    public float getSaturation() {
+        return saturation;
+    }
+
+    public int getSelectedSlot() {
+        return selectedSlot;
+    }
+
+    public String getSerializedEffectData() {
+        return serializedEffectData;
+    }
 }

common/src/main/java/me/william278/crossserversync/redis/RedisMessage.java

@@ -71,10 +71,6 @@ public class RedisMessage {
             }
     }
 
-    public String[] getMessageDataSeparated() {
-        return messageData.split(MESSAGE_DATA_SEPARATOR);
-    }
-
     public String getMessageData() {
         return messageData;
     }
@@ -90,7 +86,7 @@ public class RedisMessage {
     /**
      * Defines the type of the message
      */
-    public enum MessageType {
+    public enum MessageType implements Serializable {
         /**
          * Sent by Bukkit servers to proxy when a player disconnects with a player's updated data, alongside the UUID of the last loaded {@link PlayerData} for the user
          */
@@ -111,7 +107,7 @@ public class RedisMessage {
      * A record that defines the target of a plugin message; a spigot server or the proxy server(s).
      * For Bukkit servers, the name of the server must also be specified
      */
-    public record MessageTarget(Settings.ServerType targetServerType, UUID targetPlayerName) implements Serializable { }
+    public record MessageTarget(Settings.ServerType targetServerType, UUID targetPlayerUUID) implements Serializable { }
 
     /**
      * Deserialize an object from a Base64 string

common/src/main/resources/bungee.yml

@@ -1,5 +1,8 @@
 name: CrossServerSync
 version: @version@
-main: me.william278.crossserversync.bungeecord.CrossServerSyncBungeeCord
+main: me.william278.crossserversync.CrossServerSyncBungeeCord
 author: William278
 description: 'Synchronize data cross-server'
+libraries:
+  - mysql:mysql-connector-java:8.0.25
+  - org.xerial:sqlite-jdbc:3.36.0.3

common/src/main/resources/plugin.yml

@@ -1,6 +1,6 @@
 name: CrossServerSync
 version: @version@
-main: me.william278.crossserversync.bukkit.CrossServerSyncBukkit
+main: me.william278.crossserversync.CrossServerSyncBukkit
 api-version: 1.16
 author: William278
 description: 'Synchronize data cross-server'