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

@@ -0,0 +1,118 @@
+/*
+ * 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 com.l2jserver.gameserver.handler.ITargetTypeHandler;
+import com.l2jserver.gameserver.handler.TargetHandler;
+import com.l2jserver.gameserver.model.L2Object;
+import com.l2jserver.gameserver.model.StatsSet;
+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.events.EventType;
+import com.l2jserver.gameserver.model.events.impl.character.OnCreatureSkillUse;
+import com.l2jserver.gameserver.model.events.listeners.ConsumerEventListener;
+import com.l2jserver.gameserver.model.holders.SkillHolder;
+import com.l2jserver.gameserver.model.skills.BuffInfo;
+import com.l2jserver.gameserver.model.skills.Skill;
+import com.l2jserver.gameserver.model.skills.targets.L2TargetType;
+import com.l2jserver.util.Rnd;
+
+/**
+ * Trigger Skill By Skill effect implementation.
+ * @author Zealar
+ */
+public final class TriggerSkillBySkill extends AbstractEffect
+{
+	private final int _castSkillId;
+	private final int _chance;
+	private final SkillHolder _skill;
+	private final L2TargetType _targetType;
+	
+	/**
+	 * @param attachCond
+	 * @param applyCond
+	 * @param set
+	 * @param params
+	 */
+	
+	public TriggerSkillBySkill(Condition attachCond, Condition applyCond, StatsSet set, StatsSet params)
+	{
+		super(attachCond, applyCond, set, params);
+		
+		_castSkillId = params.getInt("castSkillId", 0);
+		_chance = params.getInt("chance", 100);
+		_skill = new SkillHolder(params.getInt("skillId", 0), params.getInt("skillLevel", 0));
+		_targetType = params.getEnum("targetType", L2TargetType.class, L2TargetType.ONE);
+	}
+	
+	public void onSkillUseEvent(OnCreatureSkillUse event)
+	{
+		if ((_chance == 0) || ((_skill.getSkillId() == 0) || (_skill.getSkillLvl() == 0) || (_castSkillId == 0)))
+		{
+			return;
+		}
+		
+		if (_castSkillId != event.getSkill().getId())
+		{
+			return;
+		}
+		
+		final ITargetTypeHandler targetHandler = TargetHandler.getInstance().getHandler(_targetType);
+		if (targetHandler == null)
+		{
+			_log.warning("Handler for target type: " + _targetType + " does not exist.");
+			return;
+		}
+		
+		if (Rnd.get(100) > _chance)
+		{
+			return;
+		}
+		
+		final Skill triggerSkill = _skill.getSkill();
+		final L2Object[] targets = targetHandler.getTargetList(triggerSkill, event.getCaster(), false, event.getTarget());
+		
+		for (L2Object triggerTarget : targets)
+		{
+			if ((triggerTarget == null) || !triggerTarget.isCharacter())
+			{
+				continue;
+			}
+			
+			final L2Character targetChar = (L2Character) triggerTarget;
+			if (!targetChar.isInvul())
+			{
+				event.getCaster().makeTriggerCast(triggerSkill, targetChar);
+			}
+		}
+	}
+	
+	@Override
+	public void onExit(BuffInfo info)
+	{
+		info.getEffected().removeListenerIf(EventType.ON_CREATURE_SKILL_USE, listener -> listener.getOwner() == this);
+	}
+	
+	@Override
+	public void onStart(BuffInfo info)
+	{
+		info.getEffected().addListener(new ConsumerEventListener(info.getEffected(), EventType.ON_CREATURE_SKILL_USE, (OnCreatureSkillUse event) -> onSkillUseEvent(event), this));
+	}
+}