Do not drop items when casting known skills to avoid exploits.

L2J_Mobius_1.0_Ertheia/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_2.5_Underground/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_3.0_Helios/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_4.0_GrandCrusade/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_5.0_Salvation/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_5.5_EtinasFate/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_6.0_Fafurion/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_7.0_PreludeOfWar/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_C1_HarbingersOfWar/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -19,6 +19,7 @@ package org.l2jmobius.gameserver.network.clientpackets;
 
 import java.util.logging.Logger;
 
+import org.l2jmobius.gameserver.model.Skill;
 import org.l2jmobius.gameserver.model.World;
 import org.l2jmobius.gameserver.model.actor.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
@@ -55,17 +56,27 @@ public class RequestDropItem extends ClientBasePacket
 				_log.warning("tried to drop an item that is not in the inventory ?!?:" + objectId);
 				return;
 			}
+			
 			final int oldCount = oldItem.getCount();
 			ItemInstance dropedItem = null;
 			if (oldCount < count)
 			{
 				return;
 			}
+			
 			if ((activeChar.getDistance(x, y) > 150.0) || (Math.abs(z - activeChar.getZ()) > 50))
 			{
 				activeChar.sendPacket(new SystemMessage(SystemMessage.CANNOT_DISCARD_DISTANCE_TOO_FAR));
 				return;
 			}
+			
+			// Do not drop items when casting known skills to avoid exploits.
+			final Skill skill = activeChar.getSkill();
+			if ((skill != null) && activeChar.isSkillDisabled(skill.getId()) && (activeChar.getSkillLevel(skill.getId()) > 0))
+			{
+				return;
+			}
+			
 			if (oldItem.isEquipped())
 			{
 				dropedItem = activeChar.getInventory().dropItem(objectId, count);
@@ -82,6 +93,7 @@ public class RequestDropItem extends ClientBasePacket
 			dropedItem.setY(y);
 			dropedItem.setZ(z);
 			dropedItem.setOnTheGround(true);
+			
 			final DropItem di = new DropItem(dropedItem, activeChar.getObjectId());
 			activeChar.sendPacket(di);
 			activeChar.addKnownObjectWithoutCreate(dropedItem);
@@ -89,6 +101,7 @@ public class RequestDropItem extends ClientBasePacket
 			{
 				player.addKnownObjectWithoutCreate(dropedItem);
 			}
+			
 			final InventoryUpdate iu = new InventoryUpdate();
 			if (oldCount == dropedItem.getCount())
 			{
@@ -99,6 +112,7 @@ public class RequestDropItem extends ClientBasePacket
 				iu.addModifiedItem(oldItem);
 			}
 			activeChar.sendPacket(iu);
+			
 			final SystemMessage sm = new SystemMessage(SystemMessage.YOU_DROPPED_S1);
 			sm.addItemName(dropedItem.getItemId());
 			activeChar.sendPacket(sm);

L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -165,16 +165,24 @@ public class RequestDropItem extends GameClientPacket
 			return;
 		}
 		
-		// Cannot discard item that the skill is consuming.
 		if (player.isCastingNow())
 		{
-			final SkillDat skillDat = player.getCurrentSkill();
+			final SkillDat skill = player.getCurrentSkill();
-			if ((skillDat != null) && (skillDat.getSkill().getItemConsumeId() == item.getItemId()) //
+			if (skill != null)
-				&& ((player.getInventory().getInventoryItemCount(item.getItemId(), -1) - skillDat.getSkill().getItemConsume()) < _count))
+			{
+				// Cannot discard item that the skill is consuming.
+				if ((skill.getSkill().getItemConsumeId() == item.getItemId()) && ((player.getInventory().getInventoryItemCount(item.getItemId(), -1) - skill.getSkill().getItemConsume()) < _count))
 				{
 					player.sendPacket(SystemMessageId.THIS_ITEM_CANNOT_BE_DISCARDED);
 					return;
 				}
+				
+				// Do not drop items when casting known skills to avoid exploits.
+				if (player.getKnownSkill(skill.getSkillId()) != null)
+				{
+					return;
+				}
+			}
 		}
 		
 		if ((Item.TYPE2_QUEST == item.getItem().getType2()) && !player.isGM())

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -140,28 +140,44 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
-		// Cannot discard item that the skill is consuming.
 		if (player.isCastingNow())
 		{
 			final SkillUseHolder skill = player.getCurrentSkill();
-			if ((skill != null) && (skill.getSkill().getItemConsumeId() == item.getId()) //
+			if (skill != null)
-				&& ((player.getInventory().getInventoryItemCount(item.getId(), -1) - skill.getSkill().getItemConsumeCount()) < _count))
+			{
+				// Cannot discard item that the skill is consuming.
+				if ((skill.getSkill().getItemConsumeId() == item.getId()) && ((player.getInventory().getInventoryItemCount(item.getId(), -1) - skill.getSkill().getItemConsumeCount()) < _count))
 				{
 					player.sendPacket(SystemMessageId.THIS_ITEM_CANNOT_BE_DISCARDED);
 					return;
 				}
+				
+				// Do not drop items when casting known skills to avoid exploits.
+				if (player.getKnownSkill(skill.getSkillId()) != null)
+				{
+					return;
+				}
+			}
 		}
 		
-		// Cannot discard item that the skill is consuming.
 		if (player.isCastingSimultaneouslyNow())
 		{
 			final Skill skill = player.getLastSimultaneousSkillCast();
-			if ((skill != null) && (skill.getItemConsumeId() == item.getId()) //
+			if (skill != null)
-				&& ((player.getInventory().getInventoryItemCount(item.getId(), -1) - skill.getItemConsumeCount()) < _count))
+			{
+				// Cannot discard item that the skill is consuming.
+				if ((skill.getItemConsumeId() == item.getId()) && ((player.getInventory().getInventoryItemCount(item.getId(), -1) - skill.getItemConsumeCount()) < _count))
 				{
 					player.sendPacket(SystemMessageId.THIS_ITEM_CANNOT_BE_DISCARDED);
 					return;
 				}
+				
+				// Do not drop items when casting known skills to avoid exploits.
+				if (player.getKnownSkill(skill.getId()) != null)
+				{
+					return;
+				}
+			}
 		}
 		
 		if ((Item.TYPE2_QUEST == item.getItem().getType2()) && !player.canOverrideCond(PlayerCondOverride.DROP_ALL_ITEMS))

L2J_Mobius_CT_2.6_HighFive/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -140,28 +140,44 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
-		// Cannot discard item that the skill is consuming.
 		if (player.isCastingNow())
 		{
 			final SkillUseHolder skill = player.getCurrentSkill();
-			if ((skill != null) && (skill.getSkill().getItemConsumeId() == item.getId()) //
+			if (skill != null)
-				&& ((player.getInventory().getInventoryItemCount(item.getId(), -1) - skill.getSkill().getItemConsumeCount()) < _count))
+			{
+				// Cannot discard item that the skill is consuming.
+				if ((skill.getSkill().getItemConsumeId() == item.getId()) && ((player.getInventory().getInventoryItemCount(item.getId(), -1) - skill.getSkill().getItemConsumeCount()) < _count))
 				{
 					player.sendPacket(SystemMessageId.THIS_ITEM_CANNOT_BE_DISCARDED);
 					return;
 				}
+				
+				// Do not drop items when casting known skills to avoid exploits.
+				if (player.getKnownSkill(skill.getSkillId()) != null)
+				{
+					return;
+				}
+			}
 		}
 		
-		// Cannot discard item that the skill is consuming.
 		if (player.isCastingSimultaneouslyNow())
 		{
 			final Skill skill = player.getLastSimultaneousSkillCast();
-			if ((skill != null) && (skill.getItemConsumeId() == item.getId()) //
+			if (skill != null)
-				&& ((player.getInventory().getInventoryItemCount(item.getId(), -1) - skill.getItemConsumeCount()) < _count))
+			{
+				// Cannot discard item that the skill is consuming.
+				if ((skill.getItemConsumeId() == item.getId()) && ((player.getInventory().getInventoryItemCount(item.getId(), -1) - skill.getItemConsumeCount()) < _count))
 				{
 					player.sendPacket(SystemMessageId.THIS_ITEM_CANNOT_BE_DISCARDED);
 					return;
 				}
+				
+				// Do not drop items when casting known skills to avoid exploits.
+				if (player.getKnownSkill(skill.getId()) != null)
+				{
+					return;
+				}
+			}
 		}
 		
 		if ((Item.TYPE2_QUEST == item.getItem().getType2()) && !player.canOverrideCond(PlayerCondOverride.DROP_ALL_ITEMS))

L2J_Mobius_Classic_2.0_Saviors/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_Classic_2.1_Zaken/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_Classic_2.2_Antharas/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_Classic_2.3_SevenSigns/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_Classic_2.4_SecretOfEmpire/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_Classic_3.0_TheKamael/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());

L2J_Mobius_Classic_Interlude/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java

@@ -22,11 +22,14 @@ import org.l2jmobius.gameserver.data.xml.impl.AdminData;
 import org.l2jmobius.gameserver.enums.PrivateStoreType;
 import org.l2jmobius.gameserver.model.PlayerCondOverride;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.holders.SkillUseHolder;
 import org.l2jmobius.gameserver.model.itemcontainer.Inventory;
 import org.l2jmobius.gameserver.model.items.Item;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.model.items.type.ActionType;
 import org.l2jmobius.gameserver.model.items.type.EtcItemType;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.model.skills.SkillCaster;
 import org.l2jmobius.gameserver.model.zone.ZoneId;
 import org.l2jmobius.gameserver.network.GameClient;
 import org.l2jmobius.gameserver.network.SystemMessageId;
@@ -168,6 +171,24 @@ public class RequestDropItem implements IClientIncomingPacket
 			return;
 		}
 		
+		// Do not drop items when casting known skills to avoid exploits.
+		if (player.isCastingNow())
+		{
+			for (SkillCaster skillCaster : player.getSkillCasters())
+			{
+				final Skill skill = skillCaster.getSkill();
+				if ((skill != null) && (player.getKnownSkill(skill.getId()) != null))
+				{
+					return;
+				}
+			}
+		}
+		final SkillUseHolder skill = player.getQueuedSkill();
+		if ((skill != null) && (player.getKnownSkill(skill.getSkillId()) != null))
+		{
+			return;
+		}
+		
 		if (item.isEquipped())
 		{
 			player.getInventory().unEquipItemInSlot(item.getLocationSlot());