Fixed appearance validation

Implemented proper facial hair validation
Implemented transmog Set
fix interaction of spells like Shadowmeld with Threat reducing effects

Game/Spells/Spell.cs

@@ -5575,9 +5575,7 @@ namespace Game.Spells
             if (!strict && m_casttime == 0)
                 return SpellCastResult.SpellCastOk;
 
-            var pair = GetMinMaxRange(strict);
-            float minRange = pair.Item1;
-            float maxRange = pair.Item2;
+            (float minRange, float maxRange) = GetMinMaxRange(strict);
 
             // get square values for sqr distance checks
             minRange *= minRange;

Game/Spells/SpellEffects.cs

@@ -5846,6 +5846,18 @@ namespace Game.Spells
             playerTarget.AddHonorXP((uint)damage);
             playerTarget.SendPacket(packet);
         }
+
+        [SpellEffectHandler(SpellEffectName.LearnTransmogSet)]
+        void EffectLearnTransmogSet(uint effIndex)
+        {
+            if (effectHandleMode != SpellEffectHandleMode.HitTarget)
+                return;
+
+            if (!unitTarget || !unitTarget.IsPlayer())
+                return;
+
+            unitTarget.ToPlayer().GetSession().GetCollectionMgr().AddTransmogSet((uint)effectInfo.MiscValue);
+        }
     }
 
     public class DispelCharges

Game/Spells/SpellInfo.cs

@@ -3313,7 +3313,7 @@ namespace Game.Spells
             new StaticData(SpellEffectImplicitTargetTypes.None,     SpellTargetObjectTypes.None), // 252 SPELL_EFFECT_252
             new StaticData(SpellEffectImplicitTargetTypes.Explicit, SpellTargetObjectTypes.Unit), // 253 SPELL_EFFECT_GIVE_HONOR
             new StaticData(SpellEffectImplicitTargetTypes.None,     SpellTargetObjectTypes.None), // 254 SPELL_EFFECT_254
-            new StaticData(SpellEffectImplicitTargetTypes.None,     SpellTargetObjectTypes.None)  // 255 SPELL_EFFECT_255
+            new StaticData(SpellEffectImplicitTargetTypes.Explicit, SpellTargetObjectTypes.Unit)  // 255 SPELL_EFFECT_LEARN_TRANSMOG_SET
         };
 
         #region Fields

Game/Spells/SpellManager.cs

@@ -509,7 +509,7 @@ namespace Game.Entities
                 if (procEntry.SpellFamilyName != 0 && eventSpellInfo != null && (procEntry.SpellFamilyName != eventSpellInfo.SpellFamilyName))
                     return false;
 
-                if (procEntry.SpellFamilyMask != null && eventSpellInfo != null && !(procEntry.SpellFamilyMask & eventSpellInfo.SpellFamilyFlags))
+                if (eventSpellInfo != null && !(procEntry.SpellFamilyMask & eventSpellInfo.SpellFamilyFlags))
                     return false;
             }
 
@@ -3158,7 +3158,7 @@ namespace Game.Entities
                 case AuraType.SpellMagnet:
                 case AuraType.ModAttackPower:
                 case AuraType.ModPowerRegenPercent:
-                case AuraType.AddCasterHitTrigger:
+                case AuraType.InterceptMeleeRangedAttacks:
                 case AuraType.OverrideClassScripts:
                 case AuraType.ModMechanicResistance:
                 case AuraType.MeleeAttackPowerAttackerBonus:
@@ -3385,7 +3385,7 @@ namespace Game.Entities
     {
         public SpellSchoolMask SchoolMask { get; set; }                                 // if nonzero - bitmask for matching proc condition based on spell's school
         public SpellFamilyNames SpellFamilyName { get; set; }                            // if nonzero - for matching proc condition based on candidate spell's SpellFamilyName
-        public FlagArray128 SpellFamilyMask { get; set; }                            // if nonzero - bitmask for matching proc condition based on candidate spell's SpellFamilyFlags
+        public FlagArray128 SpellFamilyMask { get; set; } = new FlagArray128();    // if nonzero - bitmask for matching proc condition based on candidate spell's SpellFamilyFlags
         public ProcFlags ProcFlags { get; set; }                                   // if nonzero - owerwrite procFlags field for given Spell.dbc entry, bitmask for matching proc condition, see enum ProcFlags
         public ProcFlagsSpellType SpellTypeMask { get; set; }                              // if nonzero - bitmask for matching proc condition based on candidate spell's damage/heal effects, see enum ProcFlagsSpellType
         public ProcFlagsSpellPhase SpellPhaseMask { get; set; }                             // if nonzero - bitmask for matching phase of a spellcast on which proc occurs, see enum ProcFlagsSpellPhase