#W# Source and Scripts added. Added Scripts/Settings.cs to expose some basic tweak able settings.

Scripts/Spells/Spellweaving/ArcaneCircle.cs

@@ -0,0 +1,165 @@
+using System;
+using System.Collections.Generic;
+using Server.Items;
+using Server.Mobiles;
+
+namespace Server.Spells.Spellweaving
+{
+	public class ArcaneCircleSpell : ArcanistSpell
+	{
+		private static SpellInfo m_Info = new SpellInfo(
+				"Arcane Circle", "Myrshalee",
+				-1
+			);
+
+		public override TimeSpan CastDelayBase { get { return TimeSpan.FromSeconds( 0.5 ); } }
+
+		public override double RequiredSkill { get { return 0.0; } }
+		public override int RequiredMana { get { return 24; } }
+
+		public ArcaneCircleSpell( Mobile caster, Item scroll )
+			: base( caster, scroll, m_Info )
+		{
+		}
+
+		public override bool CheckCast()
+		{
+			if( !IsValidLocation( Caster.Location, Caster.Map ) )
+			{
+				Caster.SendLocalizedMessage( 1072705 ); // You must be standing on an arcane circle, pentagram or abbatoir to use this spell.
+				return false;
+			}
+
+			if ( GetArcanists().Count < 2 )
+			{
+				Caster.SendLocalizedMessage( 1080452 ); //There are not enough spellweavers present to create an Arcane Focus.
+				return false;
+			}
+
+			return base.CheckCast();
+		}
+
+		public override void OnCast()
+		{
+			if( CheckSequence() )
+			{
+				Caster.FixedParticles( 0x3779, 10, 20, 0x0, EffectLayer.Waist );
+				Caster.PlaySound( 0x5C0 );
+
+				List<Mobile> Arcanists = GetArcanists();
+
+				TimeSpan duration = TimeSpan.FromHours( Math.Max( 1, (int)(Caster.Skills.Spellweaving.Value / 24) ) );
+
+				int strengthBonus = Math.Min( Arcanists.Count, IsSanctuary( Caster.Location, Caster.Map ) ? 6 : 5 );	//The Sanctuary is a special, single location place
+
+				for( int i = 0; i < Arcanists.Count; i++ )
+					GiveArcaneFocus( Arcanists[i], duration, strengthBonus );
+			}
+
+			FinishSequence();
+		}
+
+		private static bool IsSanctuary( Point3D p, Map m )
+		{
+			return (m == Map.Trammel || m == Map.Felucca) && p.X == 6267 && p.Y == 131;
+		}
+
+		private static bool IsValidLocation( Point3D location, Map map )
+		{
+			LandTile lt = map.Tiles.GetLandTile( location.X, location.Y );         // Land   Tiles            
+
+			if( IsValidTile( lt.ID ) && lt.Z == location.Z )
+				return true;
+
+			StaticTile[] tiles = map.Tiles.GetStaticTiles( location.X, location.Y ); // Static Tiles
+
+			for( int i = 0; i < tiles.Length; ++i )
+			{
+				StaticTile t = tiles[i];
+				ItemData id = TileData.ItemTable[t.ID & TileData.MaxItemValue];
+
+				int tand = t.ID;
+
+				if( t.Z + id.CalcHeight != location.Z )
+					continue;
+				else if( IsValidTile( tand ) )
+					return true;
+			}
+
+			IPooledEnumerable eable = map.GetItemsInRange( location, 0 );      // Added  Tiles
+
+			foreach( Item item in eable )
+			{
+				ItemData id = item.ItemData;
+				
+				if( item == null || item.Z + id.CalcHeight != location.Z )
+					continue;
+				else if( IsValidTile( item.ItemID ) )
+				{
+					eable.Free();
+					return true;
+				}
+			}
+
+			eable.Free();
+			return false;
+		}
+
+		public static bool IsValidTile( int itemID )
+		{
+			//Per OSI, Center tile only
+			return (itemID == 0xFEA || itemID == 0x1216 || itemID == 0x307F || itemID == 0x1D10 || itemID == 0x1D0F || itemID == 0x1D1F || itemID == 0x1D12 );	// Pentagram center, Abbatoir center, Arcane Circle Center, Bloody Pentagram has 4 tiles at center
+		}
+
+		private List<Mobile> GetArcanists()
+		{
+			List<Mobile> weavers = new List<Mobile>();
+
+			weavers.Add( Caster );
+
+			//OSI Verified: Even enemies/combatants count
+			foreach( Mobile m in Caster.GetMobilesInRange( 1 ) )	//Range verified as 1
+			{
+				if ( m != Caster && m is PlayerMobile && Caster.CanBeBeneficial( m, false ) && Math.Abs( Caster.Skills.Spellweaving.Value - m.Skills.Spellweaving.Value ) <= 20 && !(m is Clone) )
+				{
+					weavers.Add( m );
+				}
+				// Everyone gets the Arcane Focus, power capped elsewhere
+			}
+
+			return weavers;
+		}
+
+		private void GiveArcaneFocus( Mobile to, TimeSpan duration, int strengthBonus )
+		{
+			if( to == null )	//Sanity
+				return;
+
+			ArcaneFocus focus = FindArcaneFocus( to );
+
+			if( focus == null )
+			{
+				ArcaneFocus f = new ArcaneFocus( duration, strengthBonus );
+				if( to.PlaceInBackpack( f ) )
+				{
+					f.SendTimeRemainingMessage( to );
+					to.SendLocalizedMessage( 1072740 ); // An arcane focus appears in your backpack.
+				}
+				else
+				{
+					f.Delete();
+				}
+
+			}
+			else		//OSI renewal rules: the new one will override the old one, always.
+			{
+				to.SendLocalizedMessage( 1072828 ); // Your arcane focus is renewed.
+				focus.LifeSpan = duration;
+				focus.CreationTime = DateTime.UtcNow;
+				focus.StrengthBonus = strengthBonus;
+				focus.InvalidateProperties();
+				focus.SendTimeRemainingMessage( to );
+			}
+		}
+	}
+}