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

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MobiusDevelopment
2020-05-06 13:13:11 +00:00
parent a50424f6ed
commit e1bccf5b39
19 changed files with 395 additions and 26 deletions
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14
L2J_Mobius_C1_HarbingersOfWar/java/org/l2jmobius/gameserver/network/clientpackets/RequestDropItem.java
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@@ -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);