Fixes dupe

EpicHoppers-API/src/main/java/com/songoda/epichoppers/api/hopper/Hopper.java

@@ -21,6 +21,8 @@ public interface Hopper {
 
     UUID getLastPlayer();
 
+    void setLastPlayer(UUID uuid);
+
     boolean isWalkOnTeleport();
 
     void setWalkOnTeleport(boolean walkOnTeleport);

EpicHoppers-API/src/main/java/com/songoda/epichoppers/api/hopper/HopperManager.java

@@ -2,6 +2,7 @@ package com.songoda.epichoppers.api.hopper;
 
 import org.bukkit.Location;
 import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
 
 import java.util.Map;
 
@@ -18,4 +19,6 @@ public interface HopperManager {
     boolean isHopper(Location location);
 
     Map<Location, Hopper> getHoppers();
+
+    Hopper getHopperFromPlayer(Player player);
 }

EpicHoppers-Plugin/src/main/java/com/songoda/epichoppers/events/InventoryListeners.java

@@ -208,10 +208,19 @@ public class InventoryListeners implements Listener {
     @EventHandler
     public void onClose(InventoryCloseEvent event) {
         try {
-            PlayerData playerData = instance.getPlayerDataManager().getPlayerData((Player)event.getPlayer());
+            Player player = (Player)event.getPlayer();
+            PlayerData playerData = instance.getPlayerDataManager().getPlayerData(player);
+            if (playerData.getInMenu() != MenuType.NOT_IN) {
+                Hopper hopper = instance.getHopperManager().getHopperFromPlayer(player);
+                hopper.setLastPlayer(null);
+            }
+            if (playerData.getInMenu() == MenuType.FILTER) {
+                Hopper hopper = instance.getHopperManager().getHopperFromPlayer(player);
+                ((EHopper)hopper).compile(player);
+            }
             playerData.setInMenu(MenuType.NOT_IN);
             if (playerData.getSyncType() == SyncType.FILTERED) {
-                ((EHopper)playerData.getLastHopper()).compile((Player)event.getPlayer());
+                ((EHopper)playerData.getLastHopper()).compile(player);
             }
         } catch (Exception e) {
             Debugger.runReport(e);

EpicHoppers-Plugin/src/main/java/com/songoda/epichoppers/hopper/EHopper.java

@@ -53,6 +53,10 @@ public class EHopper implements Hopper {
             EpicHoppersPlugin instance = EpicHoppersPlugin.getInstance();
             if (!player.hasPermission("epichoppers.overview")) return;
 
+            if (lastPlayer != null) {
+                Bukkit.getPlayer(lastPlayer).closeInventory();
+            }
+
             instance.getPlayerDataManager().getPlayerData(player).setLastHopper(this);
 
             com.songoda.epichoppers.api.hopper.Level nextLevel = instance.getLevelManager().getHighestLevel().getLevel() > level.getLevel() ? instance.getLevelManager().getLevel(level.getLevel() + 1) : null;
@@ -176,6 +180,7 @@ public class EHopper implements Hopper {
 
             player.openInventory(i);
             instance.getPlayerDataManager().getPlayerData(player).setInMenu(MenuType.OVERVIEW);
+            lastPlayer = player.getUniqueId();
         } catch (Exception e) {
             Debugger.runReport(e);
         }
@@ -302,6 +307,7 @@ public class EHopper implements Hopper {
 
             player.openInventory(i);
             instance.getPlayerDataManager().getPlayerData(player).setInMenu(MenuType.FILTER);
+            lastPlayer = player.getUniqueId();
         } catch (Exception e) {
             Debugger.runReport(e);
         }
@@ -490,6 +496,11 @@ public class EHopper implements Hopper {
         return lastPlayer;
     }
 
+    @Override
+    public void setLastPlayer(UUID uuid) {
+        lastPlayer = uuid;
+    }
+
     @Override
     public boolean isWalkOnTeleport() {
         return walkOnTeleport;

EpicHoppers-Plugin/src/main/java/com/songoda/epichoppers/hopper/EHopperManager.java

@@ -4,8 +4,10 @@ import com.songoda.epichoppers.EpicHoppersPlugin;
 import com.songoda.epichoppers.api.hopper.Filter;
 import com.songoda.epichoppers.api.hopper.Hopper;
 import com.songoda.epichoppers.api.hopper.HopperManager;
+import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
 
 import java.util.Collections;
 import java.util.HashMap;
@@ -48,6 +50,16 @@ public class EHopperManager implements HopperManager {
         return Collections.unmodifiableMap(registeredHoppers);
     }
 
+    @Override
+    public Hopper getHopperFromPlayer(Player player) {
+        for (Hopper hopper : registeredHoppers.values()) {
+            if (hopper.getLastPlayer() == player.getUniqueId()) {
+                return hopper;
+            }
+        }
+        return null;
+    }
+
     private Location roundLocation(Location location) {
         location = location.clone();
         location.setX(location.getBlockX());