BETA: Range Guard AI.

	* Patch by: St3et
	* Reviewed by: xban1x, jurchiks, Zoey76, UnAfraid

L2J_DataPack_BETA/dist/game/data/scripts.cfg

@@ -103,6 +103,7 @@ ai/group_template/PolymorphingAngel.java
 ai/group_template/PolymorphingOnAttack.java
 ai/group_template/PrisonGuards.java
 ai/group_template/RandomSpawn.java
+ai/group_template/RangeGuard.java
 ai/group_template/Remnants.java
 ai/group_template/Sandstorms.java
 ai/group_template/SearchingMaster.java

L2J_DataPack_BETA/dist/game/data/scripts/ai/group_template/RangeGuard.java

+/*
+ * Copyright (C) 2004-2013 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 ai.group_template;
+
+import java.util.List;
+
+import ai.npc.AbstractNpcAI;
+
+import com.l2jserver.gameserver.datatables.NpcTable;
+import com.l2jserver.gameserver.model.actor.L2Npc;
+import com.l2jserver.gameserver.model.actor.L2Playable;
+import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
+import com.l2jserver.gameserver.model.actor.templates.L2NpcTemplate;
+import com.l2jserver.gameserver.model.holders.SkillHolder;
+import com.l2jserver.gameserver.model.skills.L2Skill;
+import com.l2jserver.gameserver.util.Util;
+
+/**
+ * Range Guard AI.
+ * @author St3eT.
+ */
+public final class RangeGuard extends AbstractNpcAI
+{
+	// Skill
+	private static SkillHolder ULTIMATE_DEFENSE = new SkillHolder(5044, 3); // NPC Ultimate Defense
+	
+	// Misc
+	private static final int MIN_DISTANCE = 150;
+	
+	// Not allowed skills
+	//@formatter:off
+	private static final int[] NOT_ALLOWED_SKILLS =
+	{
+		15, 28, // Charm / Aggression
+		51, 65, // Lure / Horror
+		106, 115, // Veil / Power Break
+		122, 127, // Hex / Hamstring
+		254, 352, // Spoil / Shield Bash
+		353, 358, // Shield Slam / Bluff
+		402, 403, // Arrest / Shackle
+		412, 485, // Sand Bomb / Disarm
+		501, 511, // Violent Temper / Temptation
+		522, 531, // Real Target / Critical Wound
+		680, 695, // Divine Knight Hate / Divine Wizard Divine Cloud
+		696, 716, // Divine Wizard Surrender to Divine / Zaken Hold
+		775, 792, // Weapon Blockade / Betrayal Mark
+		1042, 1049, // Hold Undead / Requiem
+		1069, 1071, // Sleep / Surrender To Water
+		1072, 1074, // Sleeping Cloud / Surrender To Wind
+		1083, 1097, // Surrender To Fire / Dreaming Spirit
+		1092, 1064, // Fear / Silence
+		1160, 1164, // Slow / Curse Weakness
+		1169, 1170, // Curse Fear / Anchor
+		1201, 1206, // Dryad Root / Wind Shackle
+		1222, 1223, // Curse Chaos / Surrender To Earth
+		1224, 1263, // Surrender To Poison / Curse Gloom
+		1269, 1336, // Curse Disease / Curse of Doom
+		1337, 1338, // Curse of Abyss / Arcane Chaos
+		1358, 1359, // Block Shield / Block Wind Walk
+		1386, 1394, // Arcane Disruption / Trance
+		1396, 1445, // Magical BackFire / Surrender to Dark
+		1446, 1447, // Shadow Bind / Voice Bind
+		1481, 1482, // Oblivion / Weak Constitution
+		1483, 1484, // Thin Skin / Enervation
+		1485, 1486, // Spite / Mental Impoverish
+		1511, 1524, // Curse of Life Flow / Surrender to the Divine
+		1529, // Soul Web
+	};
+	//@formatter:on
+	
+	private RangeGuard()
+	{
+		super(RangeGuard.class.getSimpleName(), "ai/group_template");
+		
+		final List<L2NpcTemplate> monsters = NpcTable.getInstance().getAllNpcOfClassType("L2Monster");
+		for (L2NpcTemplate template : monsters)
+		{
+			if (template.hasParameters() && (template.getParameters().getInt("LongRangeGuardRate", -1) > 0))
+			{
+				addAttackId(template.getId());
+			}
+		}
+	}
+	
+	@Override
+	public String onAttack(L2Npc npc, L2PcInstance attacker, int damage, boolean isSummon, L2Skill skill)
+	{
+		final L2Playable playable = (isSummon) ? attacker.getSummon() : attacker;
+		final int longRangeGuardRate = npc.getTemplate().getParameters().getInt("LongRangeGuardRate");
+		final double distance = Util.calculateDistance(npc, playable, true, false);
+		
+		if (npc.isAffectedBySkill(ULTIMATE_DEFENSE.getSkillId()) && (distance <= MIN_DISTANCE))
+		{
+			npc.stopSkillEffects(true, ULTIMATE_DEFENSE.getSkillId());
+		}
+		else if ((distance > MIN_DISTANCE) && !npc.isSkillDisabled(ULTIMATE_DEFENSE.getSkillId()) && !((skill != null) && Util.contains(NOT_ALLOWED_SKILLS, skill.getId())) && (getRandom(100) < longRangeGuardRate))
+		{
+			npc.setTarget(npc);
+			npc.doCast(ULTIMATE_DEFENSE.getSkill());
+		}
+		return super.onAttack(npc, attacker, damage, isSummon, skill);
+	}
+	
+	public static void main(String[] args)
+	{
+		new RangeGuard();
+	}
+}
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