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Skills Bug Fixes


tiguz

Question

Hello! I would like to get some help on how to fix some skills like Sonic Buster and Force Burst. If I target myself and press crtl, I can hit myself directly to HP, avoiding CP. With Force Burst Tyrants can use this bug to Pre-zealot in Olympiad. 

 

Im not sure what should be changed and where!

 

Thank you in advance!

 

Edit: I use L2JFrozen 1118

Edited by tiguz
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doCast(final L2Skill skill) method.

 

 

 

public void doCast(final L2Skill skill)
{
  final L2Character activeChar = this;
 
  if (skill == null)
  {
   getAI().notifyEvent(CtrlEvent.EVT_CANCEL);
   return;
  }
 
  // Check if the skill is a magic spell and if the L2Character is not muted
  if (skill.isMagic() && isMuted() && !skill.isPotion())
  {
   getAI().notifyEvent(CtrlEvent.EVT_CANCEL);
   return;
  }
+  if (this instanceof L2PcInstance) {
+   L2PcInstance pl = (L2PcInstance) this;
+   if (pl.getTarget() instanceof L2PcInstance) {
+    L2PcInstance trgt = (L2PcInstance) pl.getTarget();
+    if (trgt.getName().equals(pl.getName())) //Player targets himself
+    {
+     int skill_id = skill.getId();
+    switch (skill_id) {
+        case 9://Sonic Buster
+       case 17://Force Burst
+      sendPacket(ActionFailed.STATIC_PACKET);
+      return false;
+     default:
+     break;
+     }
+    }
+   }
+  }

  // Check if the skill is psychical and if the L2Character is not psychical_muted
  if (!skill.isMagic() && isPsychicalMuted() && !skill.isPotion())
  {
   getAI().notifyEvent(CtrlEvent.EVT_CANCEL);
   return;
  }

...

...

...

 

 

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You can use this code as a temporary fix.

 

checkDoCastConditions(L2Character.java)

 

 

 

if (this instanceof L2PcInstance) {
   L2PcInstance pl = (L2PcInstance) this;
   if (pl.getTarget() instanceof L2PcInstance) {
    L2PcInstance trgt = (L2PcInstance) pl.getTarget();
    if (trgt.getName().equals(pl.getName())) //Player targets himself
    {
     int skill_id = skill.getId();
     switch (skill_id) {
     case 9://Sonic Buster
     case 17://Force Burst
      sendPacket(ActionFailed.STATIC_PACKET);
      return false;
     default:
      break;
     }
    }
   }
  }

 

 

 

After this code is added, they can't use these skills targeting their selves. (Give it a test by yourself first)

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You can use this code as a temporary fix.

 

checkDoCastConditions(L2Character.java)

 

 

 

if (this instanceof L2PcInstance) {

   L2PcInstance pl = (L2PcInstance) this;

   if (pl.getTarget() instanceof L2PcInstance) {

    L2PcInstance trgt = (L2PcInstance) pl.getTarget();

    if (trgt.getName().equals(pl.getName())) //Player targets himself

    {

     int skill_id = skill.getId();

     switch (skill_id) {

     case 9://Sonic Buster

     case 17://Force Burst

      sendPacket(ActionFailed.STATIC_PACKET);

      return false;

     default:

      break;

     }

    }

   }

  }

 

 

 

After this code is added, they can't use these skills targeting their selves. (Give it a test by yourself first)

Thank you! I will test it right away!

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Solomun where exactly inside Character.java should I add that code?

I dont do coding, I can just add the patch and compile.  :-

Post me here your L2Character.java and i will try to spot where you should add it...However in High Five there is checkDoCastConditions method, so i guess something similar should take place in your code.

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It worked! I just had to change "return false" to "return;" because eclipse accused : void method cannot return a value.

 

But I dont get the message you added to the code: sendPacket(ActionFailed.STATIC_PACKET);

Maybe because I changed that "return false"? The char cant use the skill on itself now, but the system doesnt send any message.

 

Thank you Solomon!

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+       case 17://Force Burst

+      pl.sendMessage("Incorrect Target");
+      sendPacket(ActionFailed.STATIC_PACKET);
+      return false;

 

If you want to show a message...

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+       case 17://Force Burst

+      pl.sendMessage("Incorrect Target");

+      sendPacket(ActionFailed.STATIC_PACKET);

+      return false;

 

If you want to show a message...

Alright thank you very much for your help! really =D

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Alright thank you very much for your help! really =D

No problem...Consider hitting the "Mark Solved" button under my post in order to make it easier-to-find from other people :)

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Something like that will be more stable 

if (this instanceof L2PcInstance)
{
	L2PcInstance player = (L2PcInstance) this;
	if (player.getTarget() != null && player.getTarget() == player)
	    if (skill.getSkillType() == SkillType.CHARGEDAM)
	    {
	    	player.sendMessage("message");
	    	return;
	    }	
}

but if you just wanted these 2 then take solomun's code its working ;)

Edited by melron
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