Spells/Auras: Implement SPELL_AURA_ACT_AS_CONTROL_ZONE

Port From (https://github.com/TrinityCore/TrinityCore/commit/66abfd1c530e81f24856825f7ebe5a1c1ba8c58e)

Source/Framework/Constants/Spells/SpellAuraConst.cs

@@ -408,7 +408,7 @@ namespace Framework.Constants
         BattleGroundPlayerPosition = 398,
         ModTimeRate = 399,
         ModSkill2 = 400,
-        Unk401 = 401,
+        ActAsControlZone = 401,
         ModOverridePowerDisplay = 402,
         OverrideSpellVisual = 403,
         OverrideAttackPowerBySpPct = 404,

Source/Game/Entities/GameObject/GameObject.cs

@@ -4697,7 +4697,7 @@ namespace Game.Entities
             if (Math.Abs(delta) < minSuperiority)
                 return 0;
 
-            float slope = ((float)minTime - maxTime) / (maxSuperiority - minSuperiority);
+            float slope = ((float)minTime - maxTime) / Math.Max(maxSuperiority - minSuperiority, 1);
             float intercept = maxTime - slope * minSuperiority;
             float timeNeeded = slope * Math.Abs(delta) + intercept;
             float percentageIncrease = 100.0f / timeNeeded;

Source/Game/Entities/Unit/Unit.Movement.cs

@@ -689,6 +689,14 @@ namespace Game.Entities
                     GetMap().PlayerRelocation(ToPlayer(), x, y, z, orientation);
                 else
                     GetMap().CreatureRelocation(ToCreature(), x, y, z, orientation);
+
+                var controlZoneAuras = GetAuraEffectsByType(AuraType.ActAsControlZone);
+                foreach (AuraEffect auraEffect in controlZoneAuras)
+                {
+                    GameObject controlZone = GetGameObject(auraEffect.GetSpellInfo().Id);
+                    if (controlZone != null)
+                        GetMap().GameObjectRelocation(controlZone, x, y, z, orientation);
+                }
             }
             else if (turn)
                 UpdateOrientation(orientation);

Source/Game/Spells/Auras/AuraEffect.cs

@@ -6063,6 +6063,43 @@ namespace Game.Spells
 
             playerTarget.UpdatePositionData();
         }
+
+        [AuraEffectHandler(AuraType.ActAsControlZone)]
+        void HandleAuraActAsControlZone(AuraApplication aurApp, AuraEffectHandleModes mode, bool apply)
+        {
+            if (!mode.HasAnyFlag(AuraEffectHandleModes.Real))
+                return;
+
+            Unit auraOwner = aurApp.GetTarget();
+            if (!apply)
+            {
+                auraOwner.RemoveGameObject(GetSpellInfo().Id, true);
+                return;
+            }
+
+            GameObjectTemplate gameobjectTemplate = Global.ObjectMgr.GetGameObjectTemplate((uint)GetMiscValue());
+            if (gameobjectTemplate == null)
+            {
+                Log.outWarn(LogFilter.Spells, $"AuraEffect::HanldeAuraActAsControlZone: Spell {GetId()} [EffectIndex: {GetEffIndex()}] does not have an existing gameobject template.");
+                return;
+            }
+
+            if (gameobjectTemplate.type != GameObjectTypes.ControlZone)
+            {
+                Log.outWarn(LogFilter.Spells, $"AuraEffect::HanldeAuraActAsControlZone: Spell {GetId()} [EffectIndex: {GetEffIndex()}] has a gameobject template ({gameobjectTemplate.entry}) that is not a control zone.");
+                return;
+            }
+
+            if (gameobjectTemplate.displayId != 0)
+            {
+                Log.outWarn(LogFilter.Spells, $"AuraEffect::HanldeAuraActAsControlZone: Spell {GetId()} [EffectIndex: {GetEffIndex()}] has a gameobject template ({gameobjectTemplate.entry}) that has a display id. Only invisible gameobjects are supported.");
+                return;
+            }
+
+            GameObject controlZone = auraOwner.SummonGameObject(gameobjectTemplate.entry, auraOwner.GetPosition(), Quaternion.CreateFromRotationMatrix(Extensions.fromEulerAnglesZYX(aurApp.GetTarget().GetOrientation(), 0.0f, 0.0f)), TimeSpan.FromHours(24), GameObjectSummonType.TimedOrCorpseDespawn);
+            if (controlZone != null)
+                controlZone.SetSpellId(GetSpellInfo().Id);
+        }
         #endregion
     }