C# 9 Cleanup (#325)

- [X] Removes EventArgs - not needed
- [X] Merges sequential checks
- [X] Removes redundant type declarations

Projects/UOContent/Spells/Base/SpecialMove.cs

@@ -12,7 +12,7 @@ namespace Server.Spells
     public abstract class SpecialMove
     {
         private static readonly Dictionary<Mobile, SpecialMoveContext> m_PlayersTable =
-            new Dictionary<Mobile, SpecialMoveContext>();
+            new();
 
         public virtual int BaseMana => 0;
 
@@ -24,7 +24,7 @@ namespace Server.Spells
         public virtual bool BlockedByAnimalForm => true;
         public virtual bool DelayedContext => false;
 
-        public static Dictionary<Mobile, SpecialMove> Table { get; } = new Dictionary<Mobile, SpecialMove>();
+        public static Dictionary<Mobile, SpecialMove> Table { get; } = new();
 
         public virtual bool ValidatesDuringHit => true;
 

Projects/UOContent/Spells/Base/Spell.cs

@@ -25,7 +25,7 @@ namespace Server.Spells
         // of course, two MA's won't.
 
         private static readonly Dictionary<Type, DelayedDamageContextWrapper> m_ContextTable =
-            new Dictionary<Type, DelayedDamageContextWrapper>();
+            new();
 
         private AnimTimer m_AnimTimer;
 
@@ -834,7 +834,7 @@ namespace Server.Spells
 
         private class DelayedDamageContextWrapper
         {
-            private readonly Dictionary<Mobile, Timer> m_Contexts = new Dictionary<Mobile, Timer>();
+            private readonly Dictionary<Mobile, Timer> m_Contexts = new();
 
             public void Add(Mobile m, Timer t)
             {

Projects/UOContent/Spells/Base/SpellHelper.cs

@@ -1225,7 +1225,7 @@ namespace Server.Spells
 
     public static class TransformationSpellHelper
     {
-        private static readonly Dictionary<Mobile, TransformContext> m_Table = new Dictionary<Mobile, TransformContext>();
+        private static readonly Dictionary<Mobile, TransformContext> m_Table = new();
 
         public static bool CheckCast(Mobile caster, Spell spell)
         {

Projects/UOContent/Spells/Base/SpellRegistry.cs

@@ -9,7 +9,7 @@ namespace Server.Spells
         private static readonly Type[] m_Types = new Type[700];
         private static int m_Count;
 
-        private static readonly Dictionary<Type, int> m_IDsFromTypes = new Dictionary<Type, int>(m_Types.Length);
+        private static readonly Dictionary<Type, int> m_IDsFromTypes = new(m_Types.Length);
 
         private static readonly object[] m_Params = new object[2];
 
@@ -61,7 +61,7 @@ namespace Server.Spells
             }
         }
 
-        public static Dictionary<int, SpecialMove> SpecialMoves { get; } = new Dictionary<int, SpecialMove>();
+        public static Dictionary<int, SpecialMove> SpecialMoves { get; } = new();
 
         public static int GetRegistryNumber(ISpell s) => GetRegistryNumber(s.GetType());