fix(group): keep a player's stats when they reconnect during a game

src/main/java/fr/korastrip/paperplugin/SharedStats.java

@@ -29,6 +29,7 @@ public void onEnable() {
         this.getServer().getPluginManager().registerEvents(new DamageListener(this), this);
         this.getServer().getPluginManager().registerEvents(new PlayerQuitListener(this), this);
         this.getServer().getPluginManager().registerEvents(new PlayerDeathListener(this), this);
+        this.getServer().getPluginManager().registerEvents(new PlayerJoinListener(this), this);
         this.getServer().getPluginManager().registerEvents(new RegenerationListener(this), this);
         this.getServer().getPluginManager().registerEvents(new PlayerRespawnListener(this), this);
         this.getServer().getPluginManager().registerEvents(new EntityResurrectListener(this), this);

src/main/java/fr/korastrip/paperplugin/listener/PlayerJoinListener.java

@@ -0,0 +1,38 @@
+package fr.korastrip.paperplugin.listener;
+
+import fr.korastrip.paperplugin.SharedStats;
+import fr.korastrip.paperplugin.model.SharedGroup;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+
+public class PlayerJoinListener implements Listener {
+
+    private final SharedStats plugin;
+
+    public PlayerJoinListener(SharedStats plugin) {
+        this.plugin = plugin;
+    }
+
+    @EventHandler
+    public void onPlayerJoin(PlayerJoinEvent event) {
+        Player player = event.getPlayer();
+        SharedGroup group = this.plugin.getGroup();
+
+        if(!group.getIsPlaying()) return;
+        if (group.getPlayersId().contains(player.getUniqueId())) {
+
+            Bukkit.getScheduler().runTask(plugin, () -> {
+                if (!player.isOnline()) return;
+                if(player.isDead()) return;
+
+                if(this.plugin.getSynchronizationConfig().isEnabled("health")) player.setHealth(group.getHealth());
+                if(this.plugin.getSynchronizationConfig().isEnabled("food")) player.setFoodLevel(group.getFood());
+            });
+        }
+    }
+
+
+}

src/main/java/fr/korastrip/paperplugin/listener/PlayerQuitListener.java

@@ -38,13 +38,18 @@ public void onPlayerQuit(PlayerQuitEvent event) {
                 group.resetGroup();
                 return;
             }
-            group.removePlayer(playerId);
-            if (group.getIsPlaying() && group.getOnlinePlayers().size() < 2) {
-                group.getOnlinePlayers().forEach(p -> {
-                    p.sendRichMessage("<white>The group has been disbanded because there are not enough players to continue.</white>");
-                });
-                group.resetGroup();
-            }
+
+            Bukkit.getScheduler().runTask(plugin, () -> {
+                if (!group.getIsPlaying()) {
+                    group.removePlayer(playerId);
+                }
+                if (group.getIsPlaying() && group.getOnlinePlayers().size() < 2) {
+                    group.getOnlinePlayers().forEach(p -> {
+                        p.sendRichMessage("<white>The group has been disbanded because there are not enough players to continue.</white>");
+                    });
+                    group.resetGroup();
+                }
+            });
         }
     }
 }