Code Procedural PvP Reward System [By cute Kara]

Kara · November 17, 2018

Long time since i shared something. I made this code in 10 minute. It's a Procedural PvP reward system which you can extend

and add anything you like. Basically each time a player get a PvP, system check if he can get any reward (Item, Color, Skill) and reward him.

It has protection to avoid duplicated rewards in case he reduce his PvP and repeat the procedure.

Index: java/kara/PvPData.java
===================================================================
--- java/kara/PvPData.java	(revision 0)
+++ java/kara/PvPData.java	(revision 0)
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2004-2018 L2J Server
+ * 
+ * This file is part of L2J Server.
+ * 
+ * L2J Server 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.
+ * 
+ * L2J Server 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 kara;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.NamedNodeMap;
+import org.w3c.dom.Node;
+
+import com.l2jserver.Config;
+import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
+import com.l2jserver.gameserver.model.variables.PlayerVariables;
+import com.l2jserver.util.data.xml.IXmlReader;
+
+import kara.model.PEvent;
+import kara.model.events.PvPColor;
+import kara.model.events.PvPReward;
+import kara.model.events.PvPSkill;
+
+/**
+ * @author Kara`
+ */
+public class PvPData implements IXmlReader
+{
+	final Map<Integer, List<PEvent>> HOLDER = new HashMap<>();
+	
+	public PvPData()
+	{
+		load();
+	}
+	
+	@Override
+	public void load()
+	{
+		HOLDER.clear();
+		parseDatapackFile(Config.DATAPACK_ROOT + "data/pvpData.xml");
+		LOGGER.info("[" + PvPData.class.getName() + "] Loaded " + HOLDER.size() + " holders.");
+	}
+	
+	@Override
+	public void parseDocument(Document doc)
+	{
+		for (Node d = doc.getFirstChild(); d != null; d = d.getNextSibling())
+		{
+			if (d.getNodeName().equals("list"))
+			{
+				for (Node holder = d.getFirstChild(); holder != null; holder = holder.getNextSibling())
+				{
+					if (holder.getNodeName().equals("holder"))
+					{
+						List<PEvent> list = new ArrayList<>();
+						
+						for (Node pevent = holder.getFirstChild(); pevent != null; pevent = pevent.getNextSibling())
+						{
+							NamedNodeMap attr = pevent.getAttributes();
+							
+							try
+							{
+								if (pevent.getNodeName().equals("color"))
+								{
+									list.add(new PvPColor(Integer.parseInt(attr.getNamedItem("r").getNodeValue()), Integer.parseInt(attr.getNamedItem("g").getNodeValue()), Integer.parseInt(attr.getNamedItem("b").getNodeValue())));
+								}
+								if (pevent.getNodeName().equals("item"))
+								{
+									list.add(new PvPReward(Integer.parseInt(attr.getNamedItem("id").getNodeValue()), Integer.parseInt(attr.getNamedItem("count").getNodeValue())));
+								}
+								if (pevent.getNodeName().equals("skill"))
+								{
+									list.add(new PvPSkill(Integer.parseInt(attr.getNamedItem("id").getNodeValue()), Integer.parseInt(attr.getNamedItem("level").getNodeValue())));
+								}
+							}
+							catch (Exception e)
+							{
+								e.printStackTrace();
+								continue;
+							}
+						}
+						
+						HOLDER.put(Integer.parseInt(holder.getAttributes().getNamedItem("require").getNodeValue()), list);
+					}
+				}
+			}
+		}
+	}
+	
+	/**
+	 * Check if player has any given rewards. <br>
+	 * Info: if player decreased pvp somehow he <b> wont </b> receive.
+	 * @param player
+	 */
+	public void executeEvent(L2PcInstance player)
+	{
+		PlayerVariables variables = player.getVariables();
+		
+		if (variables.getInt("lastPvP", 0) >= player.getPvpKills())
+		{
+			return;
+		}
+		
+		List<PEvent> list = HOLDER.get(player.getPvpKills());
+		
+		if (list == null)
+		{
+			return;
+		}
+		
+		variables.set("lastPvP", player.getPvpKills());
+		
+		list.forEach(s -> s.getEffect(player));
+	}
+	
+	public static PvPData getInstance()
+	{
+		return SingletonHolder._instance;
+	}
+	
+	private static class SingletonHolder
+	{
+		protected static final PvPData _instance = new PvPData();
+	}
+}
\ No newline at end of file
Index: java/kara/model/PEvent.java
===================================================================
--- java/kara/model/PEvent.java	(revision 0)
+++ java/kara/model/PEvent.java	(revision 0)
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2004-2018 L2J Server
+ * 
+ * This file is part of L2J Server.
+ * 
+ * L2J Server 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.
+ * 
+ * L2J Server 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 kara.model;
+
+import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
+
+/**
+ * @author Kara`
+ */
+public abstract class PEvent
+{
+	protected Object[] values;
+	
+	public abstract void getEffect(L2PcInstance player);
+}
Index: java/kara/model/events/PvPColor.java
===================================================================
--- java/kara/model/events/PvPColor.java	(revision 0)
+++ java/kara/model/events/PvPColor.java	(revision 0)
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2004-2018 L2J Server
+ * 
+ * This file is part of L2J Server.
+ * 
+ * L2J Server 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.
+ * 
+ * L2J Server 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 kara.model.events;
+
+import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
+
+import kara.model.PEvent;
+
+/**
+ * @author Kara`
+ */
+public class PvPColor extends PEvent
+{
+	public PvPColor(int r, int g, int b)
+	{
+		values = new Object[3] { r, g, b };
+	}
+	
+	@Override
+	public void getEffect(L2PcInstance player)
+	{
+		player.getAppearance().setNameColor((int) values[0], (int) values[1], (int) values[2]);
+		player.broadcastUserInfo();
+	}
+}
Index: java/kara/model/events/PvPReward.java
===================================================================
--- java/kara/model/events/PvPReward.java	(revision 0)
+++ java/kara/model/events/PvPReward.java	(revision 0)
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2004-2018 L2J Server
+ * 
+ * This file is part of L2J Server.
+ * 
+ * L2J Server 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.
+ * 
+ * L2J Server 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 kara.model.events;
+
+import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
+
+import kara.model.PEvent;
+
+/**
+ * @author Kara`
+ */
+public class PvPReward extends PEvent
+{
+	public PvPReward(int id, int count)
+	{
+		values = new Object[2]{ id, count };
+	}
+	
+	@Override
+	public void getEffect(L2PcInstance player)
+	{
+		player.addItem("Reward", (int) values[0], (int) values[1], player, true);
+	}
+}
Index: java/kara/model/events/PvPSkill.java
===================================================================
--- java/kara/model/events/PvPSkill.java	(revision 0)
+++ java/kara/model/events/PvPSkill.java	(revision 0)
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2004-2018 L2J Server
+ * 
+ * This file is part of L2J Server.
+ * 
+ * L2J Server 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.
+ * 
+ * L2J Server 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 kara.model.events;
+
+import com.l2jserver.gameserver.datatables.SkillData;
+import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
+import com.l2jserver.gameserver.model.skills.Skill;
+
+import kara.model.PEvent;
+
+/**
+ * @author Kara`
+ */
+public class PvPSkill extends PEvent
+{
+	public PvPSkill(int id, int level)
+	{
+		values = new Object[2] { id, level };
+	}
+
+	@Override
+	public void getEffect(L2PcInstance player)
+	{
+		Skill skill = SkillData.getInstance().getSkill((int) values[0], (int) values[1]);
+		
+		if (skill == null)
+		{
+			return;
+		}
+		
+		player.addSkill(skill);
+	}
+}

Xml:

<!-- TODO : That minions need to be moved in spawn system when is done! -->
<list xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="xsd/pvpData.xsd">
	
	<!-- Created by Kara` -->
	
	<holder require="10">
		<color r="80" g="212" b="168" />
		<item id="57" count="100000000" />
		<skill id="6393" level="1" />
	</holder>
	
	<holder require="30">
		<color r="120" g="120" b="168" />
		<item id="6393" count="100" />
		<skill id="6393" level="1" />
	</holder>
	
</list>

How to use it? It's pretty simple:

In GameServer.java somewhere add the following line:

Quote

PvPData.getInstance();

To use it just go in the L2PcInstance.java and find the method that increasePvpKills and somewhere inside add the

Quote

PvPData.getInstance().executeEvent(this);

Hope you like it.

PS. Coded for L2J-H5

Edited November 17, 2018 by Kara`

Red-Hair-Shanks · November 17, 2018

nice code my friend +1 :)

Kara · November 17, 2018

@SweeTs Gift for your server :'(

DenArt Designs · November 17, 2018

the most selfish code i've seen in a long time hahahaha thanks :)

Kara · November 17, 2018

11 minutes ago, ToNoobForscool said:

the most selfish code i've seen in a long time hahahaha thanks :)

Why that :3 ?

DenArt Designs · November 17, 2018

17 minutes ago, Kara` said:

Why that :3 ?

Author Kara should be all... the rest code is kara.this Kara.that Kara Kara.kara.kara.java

Kara · November 17, 2018

8 minutes ago, ToNoobForscool said:

Author Kara should be all... the rest code is kara.this Kara.that Kara Kara.kara.kara.java

You're right, i forgot to name the class itself KaraData. Thanks a lot !

Maybe im foolish, maybe im blind, thinking i can see though this and see whats behind.

Got no way to prove it so maybe im blind. But i'm only kara after all, i'm kara after all, don't put the

blame on me. Take a look in my code, what do you see,,, in what you believe??

Edited November 17, 2018 by Kara`

Pamela32 · November 17, 2018

boy κλαιω με karadata

Kara · November 17, 2018

KaraData.getKara().getKara(Kara.this());

Elfo · November 17, 2018

a

Edited October 1, 2021 by Elfocrash

Kara · November 17, 2018

6 minutes ago, Elfocrash said:
Nice one but I have a question.

I won't comment on the whole structure but I'm really curious about this one:
values = new Object[]
{
	2
};
Is this supposed to be an array one dimensional array with a length of 2?

Typo. Changed to

values = new Object[2];

I also had declared duplicated new Item i changed that too. Also the idea was to call it though enum and reflect it to avoid copy paste line getAttr() blabla but i'ts fine this way.

Edited November 17, 2018 by Kara`

Elfo · November 17, 2018

You can also shorthand it like this:

values = new Object[]{ id, level };

There are multiple ways to clean up the code.

Kara · November 17, 2018

10 minutes ago, Elfocrash said:
You can also shorthand it like this:
values = new Object[]{ id, level };
There are multiple ways to clean up the code.

I know trust me, you can use a interface and not extend, and about creating object you can use a reflection though a enum as i said like that:

/**
 * @author Kara`
 */
public enum GhostType
{
	CAPTURE_THE_FLAG(1, CTF.class);
	
	final int _id;
	final Class<? extends AbstractGhost> _type;
	
	GhostType(int id, Class<? extends AbstractGhost> type)
	{
		_id = id;
		_type = type;
	}
	
	public int getId()
	{
		return _id;
	}
	
	public Class<? extends AbstractGhost> getType()
	{
		return _type;
	}
}

Multiple ways to shorten it but still it's a nice system compared to:

Quote

if (player.getPvpKills() <30) { player.addItem(.... player.addSkill( ...

else if (player.getPvpKills() < 60 { ...

In my next share you will realise that i love organized and shrinked java code.

@Elfocrash PS i chaged the array as you mentioned:

values = new Object[3] { r, g, b };

Edited November 17, 2018 by Kara`

Pamela32 · November 17, 2018

by the way , share section its alive ... thanks god :P

Kara · November 17, 2018

1 minute ago, Pamela32 said:

by the way , share section its alive ... thanks god :P

After i finish few clients and 1 event engine which i want sell for few bucks since there is no active event engine in the community now other than some buggy phoenix and erlandys that no develop anymore i'll share some more code. For now i focus on my clients.

Code Procedural PvP Reward System [By cute Kara]

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