Java tutorial
/* * 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 lineage2.gameserver.skills.effects; import java.util.ArrayList; import java.util.Collections; import java.util.List; import lineage2.commons.util.Rnd; import lineage2.gameserver.model.Effect; import lineage2.gameserver.network.serverpackets.SystemMessage2; import lineage2.gameserver.network.serverpackets.components.SystemMsg; import lineage2.gameserver.stats.Env; import lineage2.gameserver.stats.Stats; import org.apache.commons.lang3.ArrayUtils; /** * @author Mobius * @version $Revision: 1.0 $ */ public class EffectDispelEffects extends Effect { /** * Field _dispelType. */ private final String _dispelType; /** * Field _cancelRate. */ private final int _cancelRate; /** * Field _stackTypes. */ private final String[] _stackTypes; /** * Field _negateCount. */ private final int _negateCount; /** * Constructor for EffectDispelEffects. * @param env Env * @param template EffectTemplate */ public EffectDispelEffects(Env env, EffectTemplate template) { super(env, template); _dispelType = template.getParam().getString("dispelType", ""); _cancelRate = template.getParam().getInteger("cancelRate", 0); _negateCount = template.getParam().getInteger("negateCount", 5); _stackTypes = template.getParam().getString("negateStackTypes", "").split(";"); } /** * Method onStart. */ @Override public void onStart() { List<Effect> _musicList = new ArrayList<>(); List<Effect> _buffList = new ArrayList<>(); for (Effect e : _effected.getEffectList().getAllEffects()) { if (_dispelType.equals("cancellation")) { if (!e.isOffensive() && !e.getSkill().isToggle() && e.isCancelable()) { if (e.getSkill().isMusic()) { _musicList.add(e); } else { _buffList.add(e); } } } else if (_dispelType.equals("bane")) { if (!e.isOffensive() && ArrayUtils.contains(_stackTypes, e.getStackType()) && e.isCancelable()) { _buffList.add(e); } } else if (_dispelType.equals("cleanse")) { if (e.isOffensive() && e.isCancelable()) { _buffList.add(e); } } } List<Effect> _effectList = new ArrayList<>(); Collections.reverse(_musicList); Collections.reverse(_buffList); _effectList.addAll(_musicList); _effectList.addAll(_buffList); if (_effectList.isEmpty()) { return; } double prelimChance, eml, dml, cancel_res_multiplier = _effected.calcStat(Stats.CANCEL_RESIST, 0, null, null); int buffTime, negated = 0; for (Effect e : _effectList) { if (negated < _negateCount) { eml = e.getSkill().getMagicLevel(); dml = getSkill().getMagicLevel() - (eml == 0 ? _effected.getLevel() : eml); buffTime = e.getTimeLeft(); cancel_res_multiplier = 1 - (cancel_res_multiplier * .01); prelimChance = ((2. * dml) + _cancelRate + (buffTime / 120)) * cancel_res_multiplier; if (Rnd.chance(calcSkillChanceLimits(prelimChance, _effector.isPlayable()))) { negated++; _effected.sendPacket(new SystemMessage2(SystemMsg.THE_EFFECT_OF_S1_HAS_BEEN_REMOVED) .addSkillName(e.getSkill().getId(), e.getSkill().getLevel())); e.exit(); } } } } /** * Method calcSkillChanceLimits. * @param prelimChance double * @param isPlayable boolean * @return double */ private double calcSkillChanceLimits(double prelimChance, boolean isPlayable) { if (_dispelType.equals("bane")) { if (prelimChance < 40) { return 40; } else if (prelimChance > 90) { return 90; } } else if (_dispelType.equals("cancellation")) { if (prelimChance < 25) { return 25; } else if (prelimChance > 75) { return 75; } } else if (_dispelType.equals("cleanse")) { return _cancelRate; } return prelimChance; } /** * Method onActionTime. * @return boolean */ @Override protected boolean onActionTime() { return false; } }