Improve forbidden items management

src/main/java/net/babamod/mineclass/classes/MineClass.java

@@ -30,4 +30,6 @@ public interface MineClass {
   void giveItems(Player player);
 
   String getCode();
+
+  void dropForbiddenItems(Player player);
 }

src/main/java/net/babamod/mineclass/classes/MineClassFactory.java

@@ -62,7 +62,8 @@ public class MineClassFactory {
 
   public synchronized Optional<MineClass> getRightClass(Player player) {
     for (Map.Entry<String, MineClass> stringMineClassEntry : availableClasses.entrySet()) {
-      if (AppliedStatus.getInstance().getStatus(player).equals(stringMineClassEntry.getKey())
+      if (AppliedStatus.getInstance().getStatus(player) != null
+              && AppliedStatus.getInstance().getStatus(player).equals(stringMineClassEntry.getKey())
           || stringMineClassEntry.getValue().is(player)) {
         return Optional.of(stringMineClassEntry.getValue());
       }
@@ -77,4 +78,8 @@ public class MineClassFactory {
   public void giveItemsForClassByCode(String code, Player player) {
     availableClasses.get(code).giveItems(player);
   }
+
+  public void dropForbiddenItemsForClassByCode(String code, Player player) {
+    availableClasses.get(code).dropForbiddenItems(player);
+  }
 }

src/main/java/net/babamod/mineclass/classes/MineClassImpl.java

@@ -51,4 +51,14 @@ public abstract class MineClassImpl implements MineClass {
       MineClassFactory.setUnbreakableAndSoulbound(itemStack);
     }
   }
+
+  @Override
+  public void dropForbiddenItems(Player player) {
+    for (ItemStack content : player.getInventory().getContents()) {
+      if (content != null && getForbiddenItems().contains(content.getType())) {
+        player.getInventory().remove(content);
+        player.getWorld().dropItemNaturally(player.getLocation(), content);
+      }
+    }
+  }
 }

src/main/java/net/babamod/mineclass/commands/CommandClass.java

@@ -22,6 +22,7 @@ public class CommandClass implements CommandExecutor {
         MineClassFactory.clearAllClassEffects(player);
         MineClassFactory.getInstance().reapplyEffectsByCode(args[0], player);
         MineClassFactory.getInstance().giveItemsForClassByCode(args[0], player);
+        MineClassFactory.getInstance().dropForbiddenItemsForClassByCode(args[0], player);
         return true;
       }
       if (args[0].equals("clear")) {

src/main/java/net/babamod/mineclass/listeners/MineClassListeners.java

@@ -14,7 +14,6 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.BlockDropItemEvent;
 import org.bukkit.event.entity.*;
-import org.bukkit.event.inventory.InventoryAction;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.player.PlayerChangedWorldEvent;
 import org.bukkit.event.player.PlayerItemConsumeEvent;
@@ -92,20 +91,7 @@ public class MineClassListeners implements Listener {
 
   @EventHandler
   public void on(InventoryClickEvent event) {
-    if ((event.getAction().equals(InventoryAction.PICKUP_ALL)
-            || event.getAction().equals(InventoryAction.PICKUP_HALF)
-            || event.getAction().equals(InventoryAction.PICKUP_ONE)
-            || event.getAction().equals(InventoryAction.PICKUP_SOME))
-        && event.getWhoClicked() instanceof Player) {
-      if (isForbiddenItem(event)) {
-        event.setCancelled(true);
-        return;
-      }
-      enchantItem(event);
-    }
-
-    if ((event.getAction().equals(InventoryAction.MOVE_TO_OTHER_INVENTORY))
-        && event.getWhoClicked() instanceof Player) {
+    if (event.getWhoClicked() instanceof Player) {
       if (isForbiddenItem(event)) {
         event.setCancelled(true);
         return;
@@ -144,7 +130,8 @@ public class MineClassListeners implements Listener {
   @EventHandler
   public void on(BlockDropItemEvent event) {
     Player player = event.getPlayer();
-    if (AppliedStatus.getInstance().getStatus(player).equals("fire_dwarf")) {
+    if (AppliedStatus.getInstance().getStatus(player) != null
+        && AppliedStatus.getInstance().getStatus(player).equals("fire_dwarf")) {
       event
           .getItems()
           .forEach(
@@ -166,7 +153,8 @@ public class MineClassListeners implements Listener {
           ((AbstractArrow) event.getProjectile())
               .setPickupStatus(AbstractArrow.PickupStatus.DISALLOWED);
         }
-        if (AppliedStatus.getInstance().getStatus(player).equals("fire_dwarf")) {
+        if (AppliedStatus.getInstance().getStatus(player) != null
+            && AppliedStatus.getInstance().getStatus(player).equals("fire_dwarf")) {
           event.getProjectile().setFireTicks(10000);
         }
       }
@@ -178,6 +166,7 @@ public class MineClassListeners implements Listener {
     if (event.getEntity() instanceof Player) {
       Player player = (Player) event.getEntity();
       if (event.getCause().equals(EntityDamageEvent.DamageCause.FALL)
+          && AppliedStatus.getInstance().getStatus(player) != null
           && (AppliedStatus.getInstance().getStatus(player).equals("elf")
               || AppliedStatus.getInstance().getStatus(player).equals("ender_elf"))) {
         event.setCancelled(true);
@@ -189,10 +178,12 @@ public class MineClassListeners implements Listener {
   public void on(FoodLevelChangeEvent event) {
     if (event.getEntity() instanceof Player) {
       Player player = (Player) event.getEntity();
-      if (AppliedStatus.getInstance().getStatus(player).equals("elf")) {
+      if (AppliedStatus.getInstance().getStatus(player) != null
+          && AppliedStatus.getInstance().getStatus(player).equals("elf")) {
         event.setCancelled(true);
       }
-      if (AppliedStatus.getInstance().getStatus(player).equals("ender_elf")) {
+      if (AppliedStatus.getInstance().getStatus(player) != null
+          && AppliedStatus.getInstance().getStatus(player).equals("ender_elf")) {
         int difference = player.getFoodLevel() - event.getFoodLevel();
         if (difference > 0) {
           event.setFoodLevel(player.getFoodLevel() - (difference * 2));
@@ -205,7 +196,8 @@ public class MineClassListeners implements Listener {
   public void on(EntityDamageByEntityEvent event) {
     if (event.getDamager() instanceof Player) {
       Player player = (Player) event.getDamager();
-      if (AppliedStatus.getInstance().getStatus(player).equals("ender_elf")
+      if (AppliedStatus.getInstance().getStatus(player) != null
+          && AppliedStatus.getInstance().getStatus(player).equals("ender_elf")
           && player.getInventory().getItemInMainHand().getType().equals(Material.ENDER_PEARL)) {
         PlayerHitCounter.getInstance().increaseHitCount(player);
         if (player.getAttackCooldown() == 1) {
@@ -242,7 +234,8 @@ public class MineClassListeners implements Listener {
       if (player.getGameMode().equals(GameMode.CREATIVE)) {
         return;
       }
-      if (AppliedStatus.getInstance().getStatus(player).equals("ender_elf")
+      if (AppliedStatus.getInstance().getStatus(player) != null
+          && AppliedStatus.getInstance().getStatus(player).equals("ender_elf")
           && event.getEntity() instanceof EnderPearl) {
         ItemStack itemStack = new ItemStack(Material.ENDER_PEARL, 1);
         MineClassFactory.setUnbreakableAndSoulbound(itemStack);

src/main/java/net/babamod/mineclass/utils/AppliedStatus.java

@@ -34,10 +34,6 @@ public class AppliedStatus implements Serializable {
     return appliedStatus.getOrDefault(player.getName(), "none");
   }
 
-  public synchronized boolean hasClass(Player player) {
-    return appliedStatus.get(player.getName()) != null;
-  }
-
   @Override
   public boolean equals(Object o) {
     if (this == o) return true;