add less frequently check

Author: balugaq

rebar/src/main/kotlin/io/github/pylonmc/rebar/item/research/Research.kt

@@ -30,6 +30,10 @@ import org.bukkit.entity.Player
 import org.bukkit.event.EventHandler
 import org.bukkit.event.Listener
 import org.bukkit.event.entity.EntityPickupItemEvent
+import org.bukkit.event.inventory.InventoryClickEvent
+import org.bukkit.event.inventory.InventoryCloseEvent
+import org.bukkit.event.inventory.InventoryMoveItemEvent
+import org.bukkit.event.inventory.InventoryOpenEvent
 import org.bukkit.event.player.PlayerJoinEvent
 import org.bukkit.inventory.ItemStack
 import kotlin.math.min
@@ -276,12 +280,22 @@ class Research(
                 val rebar = RebarItem.fromStack(event.item.itemStack)
                 if (rebar == null) return
 
-                if (!entity.canPickUp(rebar)) {
+                if (!entity.canPickUp(rebar, sendMessage = true)) {
                     event.isCancelled = true
                 }
             }
         }
 
+        @EventHandler
+        private fun onPlayerOpenInventory(event: InventoryOpenEvent) {
+            (event.player as Player).ejectUnknownItems()
+        }
+
+        @EventHandler
+        private fun onPlayerCloseInventory(event: InventoryCloseEvent) {
+            (event.player as Player).ejectUnknownItems()
+        }
+
         @EventHandler
         private fun onJoin(e: PlayerJoinEvent) {
             if (!RebarConfig.ResearchConfig.ENABLED) return