trunk/dist/game/data/scripts/handlers/effecthandlers/RandomizeHate.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2004-2014 L2J DataPack
+ * 
+ * This file is part of L2J DataPack.
+ * 
+ * L2J DataPack 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 DataPack 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 handlers.effecthandlers;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.l2jserver.gameserver.model.StatsSet;
+import com.l2jserver.gameserver.model.actor.L2Attackable;
+import com.l2jserver.gameserver.model.actor.L2Character;
+import com.l2jserver.gameserver.model.conditions.Condition;
+import com.l2jserver.gameserver.model.effects.AbstractEffect;
+import com.l2jserver.gameserver.model.skills.BuffInfo;
+import com.l2jserver.gameserver.model.stats.Formulas;
+import com.l2jserver.util.Rnd;
+
+/**
+ * Randomize Hate effect implementation.
+ */
+public final class RandomizeHate extends AbstractEffect
+{
+	private final int _chance;
+	
+	public RandomizeHate(Condition attachCond, Condition applyCond, StatsSet set, StatsSet params)
+	{
+		super(attachCond, applyCond, set, params);
+		
+		_chance = params.getInt("chance", 100);
+	}
+	
+	@Override
+	public boolean calcSuccess(BuffInfo info)
+	{
+		return Formulas.calcProbability(_chance, info.getEffector(), info.getEffected(), info.getSkill());
+	}
+	
+	@Override
+	public boolean isInstant()
+	{
+		return true;
+	}
+	
+	@Override
+	public void onStart(BuffInfo info)
+	{
+		if ((info.getEffected() == null) || (info.getEffected() == info.getEffector()) || !info.getEffected().isAttackable())
+		{
+			return;
+		}
+		
+		L2Attackable effectedMob = (L2Attackable) info.getEffected();
+		final List<L2Character> targetList = new ArrayList<>();
+		for (L2Character cha : info.getEffected().getKnownList().getKnownCharacters())
+		{
+			if ((cha != null) && (cha != effectedMob) && (cha != info.getEffector()))
+			{
+				// Aggro cannot be transfered to a mob of the same faction.
+				if (cha.isAttackable() && ((L2Attackable) cha).isInMyClan(effectedMob))
+				{
+					continue;
+				}
+				
+				targetList.add(cha);
+			}
+		}
+		// if there is no target, exit function
+		if (targetList.isEmpty())
+		{
+			return;
+		}
+		
+		// Choosing randomly a new target
+		final L2Character target = targetList.get(Rnd.get(targetList.size()));
+		final int hate = effectedMob.getHating(info.getEffector());
+		effectedMob.stopHating(info.getEffector());
+		effectedMob.addDamageHate(target, 0, hate);
+	}
+}