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Hello.I know this is not usefull share so please don't post.... it's works perfect and when you are invisible you can't attack... effect works for 20 minutes and then character will be visable again!

credits to me

 

Core:

Index: /java/lt/equal/gameserver/network/clientpackets/AttackRequest.java
===================================================================
--- /java/lt/equal/gameserver/network/clientpackets/AttackRequest.java (revision 1)
+++ /java/lt/equal/gameserver/network/clientpackets/AttackRequest.java (revision 64)
@@ -68,4 +68,7 @@
			target.onAction(activeChar);
		}
+		//Invisible Character can't attack
+		if (activeChar.getAppearance().getInvisible() && !activeChar.isGM())
+			return;		
		else
		{
Index: /java/lt/equal/gameserver/handler/itemhandlers/InvisiblePotion.java
===================================================================
--- /java/lt/equal/gameserver/handler/itemhandlers/InvisiblePotion.java (revision 64)
+++ /java/lt/equal/gameserver/handler/itemhandlers/InvisiblePotion.java (revision 64)
@@ -0,0 +1,140 @@
+/*
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package lt.equal.gameserver.handler.itemhandlers;
+
+import lt.equal.Config;
+import lt.equal.gameserver.ThreadPoolManager;
+import lt.equal.gameserver.handler.IItemHandler;
+import lt.equal.gameserver.model.L2ItemInstance;
+import lt.equal.gameserver.model.entity.CTF;
+import lt.equal.gameserver.model.actor.instance.L2PcInstance;
+import lt.equal.gameserver.model.actor.instance.L2PlayableInstance;
+import lt.equal.gameserver.network.serverpackets.ActionFailed;
+import lt.equal.gameserver.network.serverpackets.MagicSkillUser;
+
+/**
+ * @author `Аллигаторы®™
+ *
+ */
+
+public class InvisiblePotion implements IItemHandler
+{
+	private static final int[] ITEM_IDS =
+	{ 9996 };
+	
+	private static final int INVISIBLE_POTION_SKILL = 3267;
+	
+	private static final int EFFECT_DURATION = 1200000; // 20 mins
+
+	public void useItem(L2PlayableInstance playable, L2ItemInstance item)
+	{
+		if (!(playable instanceof L2PcInstance))
+			return;
+		L2PcInstance activeChar = (L2PcInstance) playable;
+			if (activeChar.isHero())
+			{
+				activeChar.sendPacket(new ActionFailed());
+			}
+			if (activeChar.isConfused())
+			{
+				activeChar.sendPacket(new ActionFailed());
+			}
+			if (activeChar.isSilentMoving())
+			{
+				activeChar.sendPacket(new ActionFailed());
+			}
+			if (activeChar.isDead())
+			{
+				activeChar.sendPacket(new ActionFailed());
+			}
+			if (activeChar.isAlikeDead())
+			{
+				activeChar.sendPacket(new ActionFailed());
+			}
+			if (activeChar.isFestivalParticipant())
+			{
+				activeChar.sendPacket(new ActionFailed());
+			}
+			if (activeChar.isInFunEvent())
+			{
+				activeChar.sendPacket(new ActionFailed());
+			}
+			if (activeChar.inObserverMode())
+			{
+				activeChar.sendPacket(new ActionFailed());
+			}
+			if (activeChar.isInOlympiadMode())
+			{
+				activeChar.sendPacket(new ActionFailed());
+			}
+			if (activeChar.getPvpFlag() != 0)
+			{
+				activeChar.sendPacket(new ActionFailed());
+			}
+			if (activeChar.isCastingNow())
+			{
+				activeChar.sendPacket(new ActionFailed());
+			}
+			if ((activeChar._inEventCTF && CTF._started && !Config.CTF_ALLOW_POTIONS))
+			{
+				activeChar.sendPacket(new ActionFailed());
+			}
+
+		MagicSkillUser MSU = new MagicSkillUser(playable, playable, 3267, 1, 0, 0);
+		activeChar.sendPacket(MSU);
+		activeChar.broadcastPacket(MSU);
+
+		activeChar.getAppearance().setInvisible();
+		activeChar.broadcastUserInfo();
+		activeChar.decayMe();
+		activeChar.spawnMe();
+		activeChar.sendMessage("You Are Now Invisible");
+		activeChar.destroyItem("Consume", item.getObjectId(), 1, null, false);
+
+		InvisiblePotionStop mp = new InvisiblePotionStop(playable);
+		ThreadPoolManager.getInstance().scheduleEffect(mp, EFFECT_DURATION);
+	}
+
+	public class InvisiblePotionStop implements Runnable
+	{
+		private L2PlayableInstance _playable;
+
+		public InvisiblePotionStop(L2PlayableInstance playable)
+		{
+			_playable = playable;
+		}
+
+		public void run()
+		{
+			try
+			{
+				if (!(_playable instanceof L2PcInstance))
+					return;
+
+				((L2PcInstance) _playable).getAppearance().setVisible();
+				((L2PcInstance) _playable).sendMessage("You Are Now Visable!");
+				((L2PcInstance) _playable).broadcastUserInfo();
+			}
+			catch (Throwable t)
+			{
+			}
+		}
+	}
+
+	public int[] getItemIds()
+	{
+		return ITEM_IDS;
+	}
+}
Index: /java/lt/equal/gameserver/handler/ItemHandler.java
===================================================================
--- /java/lt/equal/gameserver/handler/ItemHandler.java (revision 59)
+++ /java/lt/equal/gameserver/handler/ItemHandler.java (revision 64)
@@ -54,4 +54,5 @@
import lt.equal.gameserver.handler.itemhandlers.SpiritShot;
import lt.equal.gameserver.handler.itemhandlers.SummonItems;
+import lt.equal.gameserver.handler.itemhandlers.InvisiblePotion;


@@ -134,4 +135,5 @@
		registerItemHandler(new HeroCustomItem());
		registerItemHandler(new ByLeki());
+		registerItemHandler(new InvisiblePotion());

		_log.config("ItemHandler: Loaded " + _datatable.size() + " handlers.");

 

DP:

 

Index: 3200-3299.xml
===================================================================
--- 3200-3299.xml	(revision 15)
+++ 3200-3299.xml	(working copy)
@@ -719,4 +719,12 @@
  <for>
  </for>
</skill>
+<skill id="3267" levels="1" name="Invisible Potion">
+  <set name="target" val="TARGET_NONE"/>
+  <set name="skillType" val="NOTDONE"/>
+  <set name="operateType" val="OP_ACTIVE"/>
+  <set name="castRange" val="-1"/>
+  <for>
+  </for>
+</skill>
</list>

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Cmon dude....Hide it for some posts,cauze all newbies will have in their server...

 

Anyway,Good job.

 

Hide it?

HELL NO!

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By the way, did you think about other stuff like..

Now the players will enter GB Areas with absolutely no problem, no mob will stop them to do so, they will be free to find the proper place, stay there and suddenly remove the potion and start hitting and so on..

Thing like that can cause huge problems..

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