feat: add PlayerCache for Client Options

varo/src/main/java/de/cliffbreak/varo/PlayerCache.java

@@ -0,0 +1,73 @@
+package de.cliffbreak.varo;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.inventory.MainHand;
+import org.bukkit.scheduler.BukkitRunnable;
+
+public class PlayerCache {
+
+    private Varo plugin;
+    private File playerCacheFile = new File("plugins/CliffbreakVaro", "playercache.yml");
+    private FileConfiguration playerCache = YamlConfiguration.loadConfiguration(this.playerCacheFile);
+    private boolean wasSaved = false;
+
+    public PlayerCache(Varo plugin) {
+        this.plugin = plugin;
+    }
+
+    public void setPlayerCache(final String uuid, PlayerCacheType type, Object value) {
+        this.playerCache.set("Players." + uuid + "." + type.toString(), value);
+        savePlayerCache();
+    }
+
+    public int getSkinParts(final String uuid) {
+        return (int) this.playerCache.get("Players." + uuid + "." + PlayerCacheType.SKINPARTS.toString());
+    }
+
+    public MainHand getMainHand(final String uuid) {
+        return MainHand.valueOf(
+                this.playerCache.get("Players." + uuid + "." + PlayerCacheType.MAINHAND.toString()).toString());
+    }
+
+    public byte getMainHandAsByte(final String uuid) {
+        if (getMainHand(uuid) == MainHand.RIGHT)
+            return (byte) 1;
+        else
+            return (byte) 0;
+    }
+
+    public void shutdown() {
+        try {
+            plugin.getLogger().info("Saving PlayerCache...");
+            this.playerCache.save(this.playerCacheFile);
+        } catch (final IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void savePlayerCache() {
+        if (!this.wasSaved)
+            try {
+                plugin.getLogger().info("Saving PlayerCache...");
+                this.playerCache.save(this.playerCacheFile);
+                this.wasSaved = true;
+                new BukkitRunnable() {
+
+                    @Override
+                    public void run() {
+                        wasSaved = false;
+                    }
+                }.runTaskLater(plugin, 20); // Only save once every second to prevent disklock
+            } catch (final IOException e) {
+                e.printStackTrace();
+            }
+    }
+
+    public enum PlayerCacheType {
+        SKINPARTS, MAINHAND,
+    }
+}

varo/src/main/java/de/cliffbreak/varo/Varo.java

@@ -17,6 +17,7 @@ import de.cliffbreak.varo.listeners.BannedItemListener;
 import de.cliffbreak.varo.listeners.ChatListener;
 import de.cliffbreak.varo.listeners.CreatureSpawnListener;
 import de.cliffbreak.varo.listeners.EntityRegainHealthListener;
+import de.cliffbreak.varo.listeners.PlayerClientOptionsChangeListener;
 import de.cliffbreak.varo.listeners.PlayerDeathListener;
 import de.cliffbreak.varo.listeners.PlayerJoinQuitListener;
 import de.cliffbreak.varo.listeners.PlayerPreLoginListener;
@@ -25,6 +26,7 @@ public class Varo extends JavaPlugin {
 
     public File configurationFile = new File("plugins/CliffbreakVaro", "config.yml");
     public FileConfiguration config = YamlConfiguration.loadConfiguration(this.configurationFile);
+    public PlayerCache playerCache = new PlayerCache(this);
 
     @Override
     public void onEnable() {
@@ -36,15 +38,14 @@ public class Varo extends JavaPlugin {
         this.config.options().copyDefaults(true);
         this.saveConfiguration();
 
-        // this.config.getStringList(path)
-
         getServer().getPluginManager().registerEvents(new PlayerPreLoginListener(this), this);
         getServer().getPluginManager().registerEvents(new PlayerJoinQuitListener(this), this);
+        getServer().getPluginManager().registerEvents(new PlayerClientOptionsChangeListener(this), this);
         getServer().getPluginManager().registerEvents(new ChatListener(), this);
         getServer().getPluginManager().registerEvents(new EntityRegainHealthListener(), this);
         getServer().getPluginManager().registerEvents(new PlayerDeathListener(this), this);
         getServer().getPluginManager().registerEvents(new BannedItemListener(), this);
-        getServer().getPluginManager().registerEvents(new CreatureSpawnListener(), this);
+        getServer().getPluginManager().registerEvents(new CreatureSpawnListener(this), this);
 
         getCommand("varo").setExecutor(new VaroCommand(this));
 
@@ -59,6 +60,8 @@ public class Varo extends JavaPlugin {
     @Override
     public void onDisable() {
         getLogger().info("Stopping CliffbreakVaro!");
+        saveConfiguration();
+        this.playerCache.shutdown();
     }
 
     public void saveConfiguration() {