Core/Spells: SPELL_AURA_48 implementation

Port From (https://github.com/TrinityCore/TrinityCore/commit/37178ff311af95c4a2035a38839b5e8a9afe2af5)

Source/Game/Entities/Unit/Unit.Spells.cs

@@ -2678,6 +2678,15 @@ namespace Game.Entities
             return false;
         }
 
+        public bool HasAuraTypeWithTriggerSpell(AuraType auratype, uint triggerSpell)
+        {
+            foreach (var aura in GetAuraEffectsByType(auratype))
+                if (aura.GetSpellEffectInfo().TriggerSpell == triggerSpell)
+                    return true;
+
+            return false;
+        }
+        
         public bool HasNegativeAuraWithInterruptFlag(SpellAuraInterruptFlags flag, ObjectGuid guid = default)
         {
             if (!HasInterruptFlag(flag))

Source/Game/Handlers/PetHandler.cs

@@ -677,13 +677,30 @@ namespace Game
                 return;
             }
 
-            // do not cast not learned spells
-            if (!caster.HasSpell(spellInfo.Id) || spellInfo.IsPassive())
-                return;
-
             SpellCastTargets targets = new(caster, petCastSpell.Cast);
 
-            Spell spell = new(caster, spellInfo, TriggerCastFlags.None);
+            TriggerCastFlags triggerCastFlags = TriggerCastFlags.None;
+
+            if (spellInfo.IsPassive())
+                return;
+
+            // cast only learned spells
+            if (!caster.HasSpell(spellInfo.Id))
+            {
+                bool allow = false;
+
+                // allow casting of spells triggered by clientside periodic trigger auras
+                if (caster.HasAuraTypeWithTriggerSpell(AuraType.PeriodicTriggerSpellFromClient, spellInfo.Id))
+                {
+                    allow = true;
+                    triggerCastFlags = TriggerCastFlags.FullMask;
+                }
+
+                if (!allow)
+                    return;
+            }
+
+            Spell spell = new(caster, spellInfo, triggerCastFlags);
             spell.m_fromClient = true;
             spell.m_misc.Data0 = petCastSpell.Cast.Misc[0];
             spell.m_misc.Data1 = petCastSpell.Cast.Misc[1];

Source/Game/Handlers/SpellHandler.cs

@@ -314,15 +314,12 @@ namespace Game
                     if (go.GetSpellForLock(caster.ToPlayer()) == spellInfo)
                         allow = true;
 
-                // TODO: Preparation for #23204
                 // allow casting of spells triggered by clientside periodic trigger auras
-                /*
+                if (caster.HasAuraTypeWithTriggerSpell(AuraType.PeriodicTriggerSpellFromClient, spellInfo.Id))
-                 if (caster->HasAuraTypeWithTriggerSpell(SPELL_AURA_PERIODIC_TRIGGER_SPELL_FROM_CLIENT, spellId))
                 {
                     allow = true;
-                    triggerFlag = TRIGGERED_FULL_MASK;
+                    triggerFlag = TriggerCastFlags.FullMask;
                 }
-                */
 
                 if (!allow)
                     return;

Source/Game/Spells/Auras/AuraEffect.cs

@@ -188,6 +188,7 @@ namespace Game.Spells
                 case AuraType.PeriodicHeal:
                 case AuraType.ObsModHealth:
                 case AuraType.PeriodicTriggerSpell:
+                case AuraType.PeriodicTriggerSpellFromClient:
                 case AuraType.PeriodicEnergize:
                 case AuraType.PeriodicLeech:
                 case AuraType.PeriodicHealthFunnel:
@@ -520,6 +521,9 @@ namespace Game.Spells
                 case AuraType.PeriodicTriggerSpell:
                     HandlePeriodicTriggerSpellAuraTick(target, caster);
                     break;
+                case AuraType.PeriodicTriggerSpellFromClient:
+                    // Don't actually do anything - client will trigger casts of these spells by itself
+                    break;
                 case AuraType.PeriodicTriggerSpellWithValue:
                     HandlePeriodicTriggerSpellWithValueAuraTick(target, caster);
                     break;

Source/Game/Spells/SpellInfo.cs

@@ -2705,7 +2705,7 @@ namespace Game.Spells
                     case AuraType.PeriodicHeal:
                     case AuraType.ObsModHealth:
                     case AuraType.ObsModPower:
-                    case AuraType.Unk48:
+                    case AuraType.PeriodicTriggerSpellFromClient:
                     case AuraType.PowerBurn:
                     case AuraType.PeriodicLeech:
                     case AuraType.PeriodicManaLeech:
@@ -3530,6 +3530,7 @@ namespace Game.Spells
                     case AuraType.AddTargetTrigger:
                         return true;
                     case AuraType.PeriodicTriggerSpellWithValue:
+                    case AuraType.PeriodicTriggerSpellFromClient:
                     case AuraType.PeriodicTriggerSpell:
                         if (!_isPositiveTarget(effect))
                         {

Source/Game/Spells/SpellManager.cs

@@ -2935,6 +2935,7 @@ namespace Game.Entities
                             switch (spellEffectInfo.ApplyAuraName)
                             {
                                 case AuraType.PeriodicTriggerSpell:
+                                case AuraType.PeriodicTriggerSpellFromClient:
                                 case AuraType.PeriodicTriggerSpellWithValue:
                                     SpellInfo triggerSpell = Global.SpellMgr.GetSpellInfo(spellEffectInfo.TriggerSpell, Difficulty.None);
                                     if (triggerSpell != null)
@@ -3257,7 +3258,8 @@ namespace Game.Entities
                 43109, // Throw Torch
                 58552, // Return to Orgrimmar
                 58533, // Return to Stormwind
-                21855  // Challenge Flag
+                21855,  // Challenge Flag
+                51122  // Fierce Lightning Stike
             }, spellInfo =>
             {
                 spellInfo.MaxAffectedTargets = 1;
@@ -3578,6 +3580,14 @@ namespace Game.Entities
                 spellInfo.RangeEntry = CliDB.SpellRangeStorage.LookupByKey(13); // 50000yd
             });
 
+            ApplySpellFix(new[] {
+                44327, // Trained Rock Falcon/Hawk Hunting
+                44408  // Trained Rock Falcon/Hawk Hunting
+             }, spellInfo =>
+             {
+                spellInfo.Speed = 0.0f;
+            });
+
             // Summon Corpse Scarabs
             ApplySpellFix(new[] { 28864, 29105 }, spellInfo =>
             {
@@ -3917,6 +3927,13 @@ namespace Game.Entities
                 });
             });
 
+            // Mutated Transformation (Professor Putricide)
+            ApplySpellFix(new[] { 70402 }, spellInfo =>
+            {
+                // Resistance is calculated inside of SpellScript
+                spellInfo.AttributesEx4 |= SpellAttr4.IgnoreResistances;
+            });
+
             // Empowered Flare (Blood Prince Council)
             ApplySpellFix(new[] { 71708 }, spellInfo =>
             {