Scripts/Engines/AI/Creature/OppositionGroup.cs

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+using System;
+using Server;
+using Server.Mobiles;
+
+namespace Server
+{
+	public class OppositionGroup
+	{
+		private Type[][] m_Types;
+
+		public OppositionGroup( Type[][] types )
+		{
+			m_Types = types;
+		}
+
+		public bool IsEnemy( object from, object target )
+		{
+			int fromGroup = IndexOf( from );
+			int targGroup = IndexOf( target );
+
+			return ( fromGroup != -1 && targGroup != -1 && fromGroup != targGroup );
+		}
+
+		public int IndexOf( object obj )
+		{
+			if ( obj == null )
+				return -1;
+
+			Type type = obj.GetType();
+
+			for ( int i = 0; i < m_Types.Length; ++i )
+			{
+				Type[] group = m_Types[i];
+
+				bool contains = false;
+
+				for ( int j = 0; !contains && j < group.Length; ++j )
+					contains = ( type == group[j] );
+
+				if ( contains )
+					return i;
+			}
+
+			return -1;
+		}
+
+		private static OppositionGroup m_TerathansAndOphidians = new OppositionGroup( new Type[][]
+			{
+				new Type[]
+				{
+					typeof( TerathanAvenger ),
+					typeof( TerathanDrone ),
+					typeof( TerathanMatriarch ),
+					typeof( TerathanWarrior )
+				},
+				new Type[]
+				{
+					typeof( OphidianArchmage ),
+					typeof( OphidianKnight ),
+					typeof( OphidianMage ),
+					typeof( OphidianMatriarch ),
+					typeof( OphidianWarrior )
+				}
+			} );
+
+		public static OppositionGroup TerathansAndOphidians
+		{
+			get{ return m_TerathansAndOphidians; }
+		}
+
+		private static OppositionGroup m_SavagesAndOrcs = new OppositionGroup( new Type[][]
+			{
+				new Type[]
+				{
+					typeof( Orc ),
+					typeof( OrcBomber ),
+					typeof( OrcBrute ),
+					typeof( OrcCaptain ),
+					typeof( OrcishLord ),
+					typeof( OrcishMage ),
+					typeof( SpawnedOrcishLord )
+				},
+				new Type[]
+				{
+					typeof( Savage ),
+					typeof( SavageRider ),
+					typeof( SavageRidgeback ),
+					typeof( SavageShaman )
+				}
+			} );
+
+		public static OppositionGroup SavagesAndOrcs
+		{
+			get{ return m_SavagesAndOrcs; }
+		}
+		
+		private static OppositionGroup m_FeyAndUndead = new OppositionGroup( new Type[][]
+			{
+				new Type[]
+				{
+					typeof( Centaur ),
+					typeof( EtherealWarrior ),
+					typeof( Kirin ),
+					typeof( LordOaks ),
+					typeof( Pixie ),
+					typeof( Silvani ),
+					typeof( Unicorn ),
+					typeof( Wisp ),
+					typeof( Treefellow )
+				},
+				new Type[]
+				{
+					typeof( AncientLich ),
+					typeof( Bogle ),
+					typeof( LichLord ),
+					typeof( Shade ),
+					typeof( Spectre ),
+					typeof( Wraith ),
+					typeof( BoneKnight ),
+					typeof( Ghoul ),
+					typeof( Mummy ),
+					typeof( SkeletalKnight ),
+					typeof( Skeleton ),
+					typeof( Zombie ),
+					typeof( ShadowKnight ),
+					typeof( DarknightCreeper ),
+					typeof( RevenantLion ),
+					typeof( LadyOfTheSnow ),
+					typeof( RottingCorpse ),
+					typeof( SkeletalDragon ),
+					typeof( Lich )
+				}
+			} );
+
+		public static OppositionGroup FeyAndUndead
+		{
+			get{ return m_FeyAndUndead; }
+		}
+	}
+}