Some cleanups. (might break build for scripts as they are a WIP)

Source/Game/Entities/AreaTrigger/AreaTrigger.cs

@@ -60,7 +60,7 @@ namespace Game.Entities
                 _isRemoved = true;
 
                 Unit caster = GetCaster();
-                if (caster)
+                if (caster != null)
                     caster._UnregisterAreaTrigger(this);
 
                 _ai.OnRemove();
@@ -78,7 +78,7 @@ namespace Game.Entities
 
         bool Create(uint areaTriggerCreatePropertiesId, Unit caster, Unit target, SpellInfo spellInfo, Position pos, int duration, SpellCastVisualField spellVisual, Spell spell, AuraEffect aurEff)
         {
-            _targetGuid = target ? target.GetGUID() : ObjectGuid.Empty;
+            _targetGuid = target != null ? target.GetGUID() : ObjectGuid.Empty;
             _aurEff = aurEff;
 
             SetMap(caster.GetMap());
@@ -138,7 +138,7 @@ namespace Game.Entities
 
             PhasingHandler.InheritPhaseShift(this, caster);
 
-            if (target && GetTemplate() != null && GetTemplate().HasFlag(AreaTriggerFlags.HasAttached))
+            if (target != null && GetTemplate() != null && GetTemplate().HasFlag(AreaTriggerFlags.HasAttached))
             {
                 m_movementInfo.transport.guid = target.GetGUID();
             }
@@ -153,7 +153,7 @@ namespace Game.Entities
             if (GetCreateProperties().OrbitInfo != null)
             {
                 AreaTriggerOrbitInfo orbit = GetCreateProperties().OrbitInfo;
-                if (target && GetTemplate() != null && GetTemplate().HasFlag(AreaTriggerFlags.HasAttached))
+                if (target != null && GetTemplate() != null && GetTemplate().HasFlag(AreaTriggerFlags.HasAttached))
                     orbit.PathTarget = target.GetGUID();
                 else
                     orbit.Center = new(pos.posX, pos.posY, pos.posZ);
@@ -297,7 +297,7 @@ namespace Game.Entities
                 else if (GetTemplate() != null && GetTemplate().HasFlag(AreaTriggerFlags.HasAttached))
                 {
                     Unit target = GetTarget();
-                    if (target)
+                    if (target != null)
                         GetMap().AreaTriggerRelocation(this, target.GetPositionX(), target.GetPositionY(), target.GetPositionZ(), target.GetOrientation());
                 }
                 else
@@ -607,7 +607,7 @@ namespace Game.Entities
             foreach (Unit unit in enteringUnits)
             {
                 Player player = unit.ToPlayer();
-                if (player)
+                if (player != null)
                 {
                     if (player.IsDebugAreaTriggers)
                         player.SendSysMessage(CypherStrings.DebugAreatriggerEntered, GetEntry());
@@ -623,10 +623,10 @@ namespace Game.Entities
             foreach (ObjectGuid exitUnitGuid in exitUnits)
             {
                 Unit leavingUnit = Global.ObjAccessor.GetUnit(this, exitUnitGuid);
-                if (leavingUnit)
+                if (leavingUnit != null)
                 {
                     Player player = leavingUnit.ToPlayer();
-                    if (player)
+                    if (player != null)
                     {
                         if (player.IsDebugAreaTriggers)
                             player.SendSysMessage(CypherStrings.DebugAreatriggerLeft, GetEntry());
@@ -673,7 +673,7 @@ namespace Game.Entities
         public override uint GetFaction()
         {
             Unit caster = GetCaster();
-            if (caster)
+            if (caster != null)
                 return caster.GetFaction();
 
             return 0;
@@ -958,7 +958,7 @@ namespace Game.Entities
             if (_orbitInfo.PathTarget.HasValue)
             {
                 WorldObject center = Global.ObjAccessor.GetWorldObject(this, _orbitInfo.PathTarget.Value);
-                if (center)
+                if (center != null)
                     return center;
             }
 
@@ -1188,10 +1188,10 @@ namespace Game.Entities
         void DebugVisualizePosition()
         {
             Unit caster = GetCaster();
-            if (caster)
+            if (caster != null)
             {
                 Player player = caster.ToPlayer();
-                if (player)
+                if (player != null)
                     if (player.IsDebugAreaTriggers)
                         player.SummonCreature(1, this, TempSummonType.TimedDespawn, TimeSpan.FromMilliseconds(GetTimeToTarget()));
             }

Source/Game/Entities/Conversation.cs

@@ -428,7 +428,7 @@ namespace Game.Entities
                     break;
             }
 
-            if (bestFit)
+            if (bestFit != null)
                 _conversation.AddActor(_actor.Id, _actor.Index, bestFit.GetGUID());
         }
 

Source/Game/Entities/Creature/Creature.cs

@@ -682,7 +682,7 @@ namespace Game.Entities
 
         public void DoFleeToGetAssistance()
         {
-            if (!GetVictim())
+            if (GetVictim() == null)
                 return;
 
             if (HasAuraType(AuraType.PreventsFleeing))
@@ -699,7 +699,7 @@ namespace Game.Entities
 
                 SetNoSearchAssistance(true);
 
-                if (!creature)
+                if (creature == null)
                     SetControlled(true, UnitState.Fleeing);
                 else
                     GetMotionMaster().MoveSeekAssistance(creature.GetPositionX(), creature.GetPositionY(), creature.GetPositionZ());
@@ -757,7 +757,7 @@ namespace Game.Entities
                 lowGuid = map.GenerateLowGuid(HighGuid.Creature);
 
             Creature creature = new();
-            if (!creature.Create(lowGuid, map, entry, pos, null, vehId))
+            if (creature.Create(lowGuid, map, entry, pos, null, vehId))
                 return null;
 
             return creature;
@@ -766,7 +766,7 @@ namespace Game.Entities
         public static Creature CreateCreatureFromDB(ulong spawnId, Map map, bool addToMap = true, bool allowDuplicate = false)
         {
             Creature creature = new();
-            if (!creature.LoadFromDB(spawnId, map, addToMap, allowDuplicate))
+            if (creature.LoadFromDB(spawnId, map, addToMap, allowDuplicate))
                 return null;
 
             return creature;
@@ -882,21 +882,21 @@ namespace Game.Entities
             {
                 // We're a player pet, probably
                 target = GetAttackerForHelper();
-                if (!target && IsSummon())
+                if (target == null && IsSummon())
                 {
                     Unit owner = ToTempSummon().GetOwner();
                     if (owner != null)
                     {
                         if (owner.IsInCombat())
                             target = owner.GetAttackerForHelper();
-                        if (!target)
+                        if (target == null)
                         {
                             foreach (var itr in owner.m_Controlled)
                             {
                                 if (itr.IsInCombat())
                                 {
                                     target = itr.GetAttackerForHelper();
-                                    if (target)
+                                    if (target != null)
                                         break;
                                 }
                             }
@@ -907,7 +907,7 @@ namespace Game.Entities
             else
                 return null;
 
-            if (target && _IsTargetAcceptable(target) && CanCreatureAttack(target))
+            if (target != null && _IsTargetAcceptable(target) && CanCreatureAttack(target))
             {
                 if (!HasSpellFocus())
                     SetInFront(target);
@@ -915,7 +915,7 @@ namespace Game.Entities
             }
 
             /// @todo a vehicle may eat some mob, so mob should not evade
-            if (GetVehicle())
+            if (GetVehicle() != null)
                 return null;
 
             var iAuras = GetAuraEffectsByType(AuraType.ModInvisibility);
@@ -1619,7 +1619,7 @@ namespace Game.Entities
             if (GetSparringHealthPct() == 0)
                 return false;
 
-            if (!attacker)
+            if (attacker == null)
                 return false;
 
             if (!attacker.IsCreature())
@@ -2786,7 +2786,7 @@ namespace Game.Entities
         public override uint GetLevelForTarget(WorldObject target)
         {
             Unit unitTarget = target.ToUnit();
-            if (unitTarget)
+            if (unitTarget != null)
             {
                 if (IsWorldBoss())
                 {
@@ -3161,7 +3161,7 @@ namespace Game.Entities
                 SetUpdateFieldValue(m_values.ModifyValue(m_unitData).ModifyValue(m_unitData.Target), newTarget);
 
             // If we are not allowed to turn during cast but have a focus target, face the target
-            if (!turnDisabled && noTurnDuringCast && target)
+            if (!turnDisabled && noTurnDuringCast && target != null)
                 SetFacingToObject(target, false);
 
             if (!noTurnDuringCast)
@@ -3222,7 +3222,7 @@ namespace Game.Entities
                 if (!_spellFocusInfo.Target.IsEmpty())
                 {
                     WorldObject objTarget = Global.ObjAccessor.GetWorldObject(this, _spellFocusInfo.Target);
-                    if (objTarget)
+                    if (objTarget != null)
                         SetFacingToObject(objTarget, false);
                 }
                 else

Source/Game/Entities/Creature/Gossip.cs

@@ -545,7 +545,7 @@ namespace Game.Misc
 
             // Is there a better way? what about game objects?
             Creature creature = ObjectAccessor.GetCreature(_session.GetPlayer(), npcGUID);
-            if (creature)
+            if (creature != null)
             {
                 packet.QuestGiverCreatureID = creature.GetEntry();
                 offer.QuestGiverCreatureID = creature.GetCreatureTemplate().Entry;
@@ -612,7 +612,7 @@ namespace Game.Misc
 
             // Is there a better way? what about game objects?
             Creature creature = ObjectAccessor.GetCreature(_session.GetPlayer(), npcGUID);
-            if (creature)
+            if (creature != null)
                 packet.QuestGiverCreatureID = creature.GetCreatureTemplate().Entry;
 
             packet.QuestID = quest.Id;

Source/Game/Entities/DynamicObject.cs

@@ -25,7 +25,7 @@ namespace Game.Entities
         {
             // make sure all references were properly removed
             Cypher.Assert(_aura == null);
-            Cypher.Assert(!_caster);
+            Cypher.Assert(_caster == null);
             Cypher.Assert(!_isViewpoint);
             _removedAura = null;
 

Source/Game/Entities/GameObject/GameObject.cs

@@ -84,7 +84,7 @@ namespace Game.Entities
                 return;
 
             Unit owner = Global.ObjAccessor.GetUnit(this, ownerGUID);
-            if (owner)
+            if (owner != null)
             {
                 owner.RemoveGameObject(this, false);
                 Cypher.Assert(GetOwnerGUID().IsEmpty());
@@ -114,7 +114,7 @@ namespace Game.Entities
                 if (m_model != null)
                 {
                     Transport trans = ToTransport();
-                    if (trans)
+                    if (trans != null)
                         trans.SetDelayedAddModelToMap();
                     else
                         GetMap().InsertGameObjectModel(m_model);
@@ -175,7 +175,7 @@ namespace Game.Entities
 
         bool Create(uint entry, Map map, Position pos, Quaternion rotation, uint animProgress, GameObjectState goState, uint artKit, bool dynamic, ulong spawnid)
         {
-            Cypher.Assert(map);
+            Cypher.Assert(map != null);
             SetMap(map);
 
             Relocate(pos);
@@ -439,7 +439,7 @@ namespace Game.Entities
 
                     m_perPlayerState.Remove(guid);
 
-                    if (seer)
+                    if (seer != null)
                     {
                         if (despawned)
                         {
@@ -475,7 +475,7 @@ namespace Game.Entities
                             Unit owner = GetOwner();
                             if (goInfo.Trap.charges == 2)
                                 m_cooldownTime = GameTime.GetGameTimeMS() + 10 * Time.InMilliseconds;   // Hardcoded tooltip value
-                            else if (owner)
+                            else if (owner != null)
                             {
                                 if (owner.IsInCombat())
                                     m_cooldownTime = GameTime.GetGameTimeMS() + goInfo.Trap.startDelay * Time.InMilliseconds;
@@ -632,7 +632,7 @@ namespace Game.Entities
                                 target = searcher.GetTarget();
                             }
 
-                            if (target)
+                            if (target != null)
                                 SetLootState(LootState.Activated, target);
                         }
                         else if (goInfo.type == GameObjectTypes.CapturePoint)
@@ -738,7 +738,7 @@ namespace Game.Entities
                                 CastSpell(null, goInfo.Trap.spell);
                                 SetLootState(LootState.JustDeactivated);
                             }
-                            else if (target)
+                            else if (target != null)
                             {
                                 // Some traps do not have a spell but should be triggered
                                 CastSpellExtraArgs args = new();
@@ -765,7 +765,7 @@ namespace Game.Entities
                 {
                     // If nearby linked trap exists, despawn it
                     GameObject linkedTrap = GetLinkedTrap();
-                    if (linkedTrap)
+                    if (linkedTrap != null)
                         linkedTrap.DespawnOrUnsummon();
 
                     //if Gameobject should cast spell, then this, but some GOs (type = 10) should be destroyed
@@ -1384,7 +1384,7 @@ namespace Game.Entities
                         || LootStorage.Gameobject.HaveQuestLootForPlayer(GetGoInfo().Chest.chestPushLoot, target))
                     {
                         Battleground bg = target.GetBattleground();
-                        if (bg)
+                        if (bg != null)
                             return bg.CanActivateGO((int)GetEntry(), (uint)bg.GetPlayerTeam(target.GetGUID()));
                         return true;
                     }
@@ -1419,7 +1419,7 @@ namespace Game.Entities
                 return;
 
             GameObject trapGO = GetLinkedTrap();
-            if (trapGO)
+            if (trapGO != null)
                 trapGO.CastSpell(target, trapSpell.Id);
         }
 
@@ -1460,7 +1460,7 @@ namespace Game.Entities
 
         public void ActivateObject(GameObjectActions action, int param, WorldObject spellCaster = null, uint spellId = 0, int effectIndex = -1)
         {
-            Unit unitCaster = spellCaster ? spellCaster.ToUnit() : null;
+            Unit unitCaster = spellCaster != null ? spellCaster.ToUnit() : null;
 
             switch (action)
             {
@@ -1474,7 +1474,7 @@ namespace Game.Entities
                     SendCustomAnim((uint)(action - GameObjectActions.AnimateCustom0));
                     break;
                 case GameObjectActions.Disturb: // What's the difference with Open?
-                    if (unitCaster)
+                    if (unitCaster != null)
                         Use(unitCaster);
                     break;
                 case GameObjectActions.Unlock:
@@ -1484,11 +1484,11 @@ namespace Game.Entities
                     SetFlag(GameObjectFlags.Locked);
                     break;
                 case GameObjectActions.Open:
-                    if (unitCaster)
+                    if (unitCaster != null)
                         Use(unitCaster);
                     break;
                 case GameObjectActions.OpenAndUnlock:
-                    if (unitCaster)
+                    if (unitCaster != null)
                         UseDoorOrButton(0, false, unitCaster);
                     RemoveFlag(GameObjectFlags.Locked);
                     break;
@@ -1499,7 +1499,7 @@ namespace Game.Entities
                     // No use cases, implementation unknown
                     break;
                 case GameObjectActions.Destroy:
-                    if (unitCaster)
+                    if (unitCaster != null)
                         UseDoorOrButton(0, true, unitCaster);
                     break;
                 case GameObjectActions.Rebuild:
@@ -1561,7 +1561,7 @@ namespace Game.Entities
                     SetAnimKitId((ushort)param, false);
                     break;
                 case GameObjectActions.OpenAndPlayAnimKit:
-                    if (unitCaster)
+                    if (unitCaster != null)
                         UseDoorOrButton(0, false, unitCaster);
                     SetAnimKitId((ushort)param, false);
                     break;
@@ -1576,7 +1576,7 @@ namespace Game.Entities
                     SetAnimKitId(0, false);
                     break;
                 case GameObjectActions.OpenAndStopAnimKit:
-                    if (unitCaster)
+                    if (unitCaster != null)
                         UseDoorOrButton(0, false, unitCaster);
                     SetAnimKitId(0, false);
                     break;
@@ -1684,7 +1684,7 @@ namespace Game.Entities
                 case GameObjectTypes.Chest:                         //3
                 {
                     Player player = user.ToPlayer();
-                    if (!player)
+                    if (player == null)
                         return;
 
                     Battleground bg = player.GetBattleground();
@@ -1922,12 +1922,12 @@ namespace Game.Entities
                         }
 
                         Group group = player.GetGroup();
-                        if (group)
+                        if (group != null)
                         {
                             for (GroupReference refe = group.GetFirstMember(); refe != null; refe = refe.Next())
                             {
                                 Player member = refe.GetSource();
-                                if (member)
+                                if (member != null)
                                     if (member.IsAtGroupRewardDistance(this))
                                         member.KillCreditGO(info.entry, GetGUID());
                             }
@@ -2044,14 +2044,14 @@ namespace Game.Entities
 
                             // If fishing skill is high enough, or if fishing on a pool, send correct loot.
                             // Fishing pools have no skill requirement as of patch 3.3.0 (undocumented change).
-                            if (chance >= roll || fishingPool)
+                            if (chance >= roll || fishingPool != null)
                             {
                                 // @todo I do not understand this hack. Need some explanation.
                                 // prevent removing GO at spell cancel
                                 RemoveFromOwner();
                                 SetOwnerGUID(player.GetGUID());
 
-                                if (fishingPool)
+                                if (fishingPool != null)
                                 {
                                     fishingPool.Use(player);
                                     SetLootState(LootState.JustDeactivated);
@@ -2248,7 +2248,7 @@ namespace Game.Entities
                     {
                         // in Battlegroundcheck
                         Battleground bg = player.GetBattleground();
-                        if (!bg)
+                        if (bg == null)
                             return;
 
                         if (player.GetVehicle() != null)
@@ -2296,7 +2296,7 @@ namespace Game.Entities
                     {
                         // in Battlegroundcheck
                         Battleground bg = player.GetBattleground();
-                        if (!bg)
+                        if (bg == null)
                             return;
 
                         if (player.GetVehicle() != null)
@@ -2452,7 +2452,7 @@ namespace Game.Entities
 
                             Aura artifactAura = player.GetAura(PlayerConst.ArtifactsAllWeaponsGeneralWeaponEquippedPassive);
                             Item item = artifactAura != null ? player.GetItemByGuid(artifactAura.GetCastItemGUID()) : null;
-                            if (!item)
+                            if (item == null)
                             {
                                 player.SendPacket(new DisplayGameError(GameError.MustEquipArtifact));
                                 return;
@@ -2467,7 +2467,7 @@ namespace Game.Entities
                         case 2: // Heart Forge
                         {
                             Item item = player.GetItemByEntry(PlayerConst.ItemIdHeartOfAzeroth, ItemSearchLocation.Everywhere);
-                            if (!item)
+                            if (item == null)
                                 return;
 
                             GameObjectInteraction openHeartForge = new();
@@ -2484,7 +2484,7 @@ namespace Game.Entities
                 case GameObjectTypes.UILink:
                 {
                     Player player = user.ToPlayer();
-                    if (!player)
+                    if (player == null)
                         return;
 
                     GameObjectInteraction gameObjectUILink = new();
@@ -2587,7 +2587,7 @@ namespace Game.Entities
             }
 
             Player player1 = user.ToPlayer();
-            if (player1)
+            if (player1 != null)
                 Global.OutdoorPvPMgr.HandleCustomSpell(player1, spellId, this);
 
             if (spellCaster != null)
@@ -2794,7 +2794,7 @@ namespace Game.Entities
 
         public SpellInfo GetSpellForLock(Player player)
         {
-            if (!player)
+            if (player == null)
                 return null;
 
             uint lockId = GetGoInfo().GetLockId();
@@ -2937,7 +2937,7 @@ namespace Game.Entities
                     GetAI().Destroyed(attackerOrHealer, m_goInfo.DestructibleBuilding.DestroyedEvent);
 
                     Player player = attackerOrHealer != null ? attackerOrHealer.GetCharmerOrOwnerPlayerOrPlayerItself() : null;
-                    if (player)
+                    if (player != null)
                     {
                         Battleground bg = player.GetBattleground();
                         if (bg != null)
@@ -2990,7 +2990,7 @@ namespace Game.Entities
         public void SetLootState(LootState state, Unit unit = null)
         {
             m_lootState = state;
-            m_lootStateUnitGUID = unit ? unit.GetGUID() : ObjectGuid.Empty;
+            m_lootStateUnitGUID = unit != null ? unit.GetGUID() : ObjectGuid.Empty;
             GetAI().OnLootStateChanged((uint)state, unit);
 
             // Start restock timer if the chest is partially looted or not looted at all
@@ -3437,7 +3437,7 @@ namespace Game.Entities
                     battleground = bg;
             }
 
-            if (!battleground)
+            if (battleground == null)
                 return;
 
             // Cancel current timer
@@ -4414,7 +4414,7 @@ namespace Game.Entities
                 FlagState oldState = _state;
                 _state = newState;
 
-                if (player && newState == FlagState.Taken)
+                if (player != null && newState == FlagState.Taken)
                     _carrierGUID = player.GetGUID();
                 else
                     _carrierGUID = ObjectGuid.Empty;

Source/Game/Entities/Item/Bag.cs

@@ -24,7 +24,7 @@ namespace Game.Entities
             for (byte i = 0; i < ItemConst.MaxBagSize; ++i)
             {
                 Item item = m_bagslot[i];
-                if (item)
+                if (item != null)
                 {
                     if (item.IsInWorld)
                     {
@@ -72,7 +72,7 @@ namespace Game.Entities
             SetEntry(itemid);
             SetObjectScale(1.0f);
 
-            if (owner)
+            if (owner != null)
             {
                 SetOwnerGUID(owner.GetGUID());
                 SetContainedIn(owner.GetGUID());

Source/Game/Entities/Item/Item.cs

@@ -38,7 +38,7 @@ namespace Game.Entities
             SetEntry(itemId);
             SetObjectScale(1.0f);
 
-            if (owner)
+            if (owner != null)
             {
                 SetOwnerGUID(owner.GetGUID());
                 SetContainedIn(owner.GetGUID());
@@ -74,7 +74,7 @@ namespace Game.Entities
 
                         PlayerConditionRecord playerCondition = CliDB.PlayerConditionStorage.LookupByKey(artifactAppearance.UnlockPlayerConditionID);
                         if (playerCondition != null)
-                            if (!owner || !ConditionManager.IsPlayerMeetingCondition(owner, playerCondition))
+                            if (owner == null || !ConditionManager.IsPlayerMeetingCondition(owner, playerCondition))
                                 continue;
 
                         SetModifier(ItemModifier.ArtifactAppearanceId, artifactAppearance.Id);
@@ -624,7 +624,7 @@ namespace Game.Entities
 
         public void CheckArtifactRelicSlotUnlock(Player owner)
         {
-            if (!owner)
+            if (owner == null)
                 return;
 
             byte artifactId = GetTemplate().GetArtifactID();
@@ -718,7 +718,7 @@ namespace Game.Entities
             if (uState == ItemUpdateState.New && state == ItemUpdateState.Removed)
             {
                 // pretend the item never existed
-                if (forplayer)
+                if (forplayer != null)
                 {
                     RemoveItemFromUpdateQueueOf(this, forplayer);
                     forplayer.DeleteRefundReference(GetGUID());
@@ -731,7 +731,7 @@ namespace Game.Entities
                 if (uState != ItemUpdateState.New)
                     uState = state;
 
-                if (forplayer)
+                if (forplayer != null)
                     AddItemToUpdateQueueOf(this, forplayer);
             }
             else
@@ -825,7 +825,7 @@ namespace Game.Entities
             SetUpdateFieldValue(m_values.ModifyValue(m_itemData).ModifyValue(m_itemData.StackCount), value);
 
             Player player = GetOwner();
-            if (player)
+            if (player != null)
             {
                 TradeData tradeData = player.GetTradeData();
                 if (tradeData != null)
@@ -1351,7 +1351,7 @@ namespace Game.Entities
         public override bool AddToObjectUpdate()
         {
             Player owner = GetOwner();
-            if (owner)
+            if (owner != null)
             {
                 owner.GetMap().AddUpdateObject(this);
                 return true;
@@ -1363,7 +1363,7 @@ namespace Game.Entities
         public override void RemoveFromObjectUpdate()
         {
             Player owner = GetOwner();
-            if (owner)
+            if (owner != null)
                 owner.GetMap().RemoveUpdateObject(this);
         }
 
@@ -1509,7 +1509,7 @@ namespace Game.Entities
             Player owner = GetOwner();
             for (byte i = 0; i < ItemConst.MaxStats; ++i)
             {
-                if ((owner ? GetItemStatValue(i, owner) : proto.GetStatPercentEditor(i)) != 0)
+                if ((owner != null ? GetItemStatValue(i, owner) : proto.GetStatPercentEditor(i)) != 0)
                     return true;
             }
 
@@ -2331,7 +2331,7 @@ namespace Game.Entities
         public void GiveArtifactXp(ulong amount, Item sourceItem, ArtifactCategory artifactCategoryId)
         {
             Player owner = GetOwner();
-            if (!owner)
+            if (owner == null)
                 return;
 
             if (artifactCategoryId != 0)

Source/Game/Entities/Item/ItemBonusManager.cs

@@ -80,7 +80,7 @@ namespace Game.Entities
                         continue;
 
                     bool meetsPlayerCondition = false;
-                    if (player)
+                    if (player != null)
                     {
                         var playerCondition = CliDB.PlayerConditionStorage.LookupByKey(itemContextPickerEntry.PlayerConditionID);
                         if (playerCondition != null)

Source/Game/Entities/Object/WorldObject.cs

@@ -46,7 +46,7 @@ namespace Game.Entities
         public virtual void Dispose()
         {
             // this may happen because there are many !create/delete
-            if (IsWorldObject() && _currMap)
+            if (IsWorldObject() && _currMap != null)
             {
                 if (IsTypeId(TypeId.Corpse))
                 {
@@ -124,7 +124,7 @@ namespace Game.Entities
 
         public virtual void BuildCreateUpdateBlockForPlayer(UpdateData data, Player target)
         {
-            if (!target)
+            if (target == null)
                 return;
 
             UpdateType updateType = _isNewObject ? UpdateType.CreateObject2 : UpdateType.CreateObject;
@@ -148,10 +148,10 @@ namespace Game.Entities
                 flags.SmoothPhasing = true;
 
             Unit unit = ToUnit();
-            if (unit)
+            if (unit != null)
             {
                 flags.PlayHoverAnim = unit.IsPlayingHoverAnim();
-                if (unit.GetVictim())
+                if (unit.GetVictim() != null)
                     flags.CombatVictim = true;
             }
 
@@ -223,7 +223,7 @@ namespace Game.Entities
 
         public void SendOutOfRangeForPlayer(Player target)
         {
-            Cypher.Assert(target);
+            Cypher.Assert(target != null);
 
             UpdateData updateData = new(target.GetMapId());
             BuildOutOfRangeUpdateBlock(updateData);
@@ -235,7 +235,7 @@ namespace Game.Entities
         {
             List<uint> PauseTimes = null;
             GameObject go = ToGameObject();
-            if (go)
+            if (go != null)
                 PauseTimes = go.GetPauseTimes();
 
             data.WriteBit(flags.NoBirthAnim);
@@ -1205,11 +1205,11 @@ namespace Game.Entities
                     }
 
                     Unit target = obj.ToUnit();
-                    if (target)
+                    if (target != null)
                     {
                         // Don't allow to detect vehicle accessories if you can't see vehicle
                         Unit vehicle = target.GetVehicleBase();
-                        if (vehicle)
+                        if (vehicle != null)
                             if (!thisPlayer.HaveAtClient(vehicle))
                                 return false;
                     }
@@ -1352,7 +1352,7 @@ namespace Game.Entities
                 return true;
 
             // Only check back for units, it does not make sense for gameobjects
-            if (unit && !HasInArc(MathF.PI, obj))
+            if (unit != null && !HasInArc(MathF.PI, obj))
                 return false;
 
             // Traps should detect stealth always
@@ -1393,7 +1393,7 @@ namespace Game.Entities
                 float visibilityRange = detectionValue * 0.3f + combatReach;
 
                 // If this unit is an NPC then player detect range doesn't apply
-                if (unit && unit.IsTypeId(TypeId.Player) && visibilityRange > SharedConst.MaxPlayerStealthDetectRange)
+                if (unit != null && unit.IsTypeId(TypeId.Player) && visibilityRange > SharedConst.MaxPlayerStealthDetectRange)
                     visibilityRange = SharedConst.MaxPlayerStealthDetectRange;
 
                 // When checking for alert state, look 8% further, and then 1.5 yards more than that.
@@ -1402,7 +1402,7 @@ namespace Game.Entities
 
                 // If checking for alert, and creature's visibility range is greater than aggro distance, No alert
                 Unit tunit = obj.ToUnit();
-                if (checkAlert && unit && unit.ToCreature() && visibilityRange >= unit.ToCreature().GetAttackDistance(tunit) + unit.ToCreature().m_CombatDistance)
+                if (checkAlert && unit != null && unit.ToCreature() != null && visibilityRange >= unit.ToCreature().GetAttackDistance(tunit) + unit.ToCreature().m_CombatDistance)
                     return false;
 
                 if (distance > visibilityRange)
@@ -1597,7 +1597,7 @@ namespace Game.Entities
 
             Map map = GetMap();
             GameObject go = GameObject.CreateGameObject(entry, map, pos, rotation, 255, GameObjectState.Ready);
-            if (!go)
+            if (go == null)
                 return null;
 
             PhasingHandler.InheritPhaseShift(go, this);
@@ -1649,7 +1649,7 @@ namespace Game.Entities
             foreach (var tempSummonData in data)
             {
                 TempSummon summon = SummonCreature(tempSummonData.entry, tempSummonData.pos, tempSummonData.type, tempSummonData.time);
-                if (summon)
+                if (summon != null)
                     list.Add(summon);
             }
         }
@@ -1827,7 +1827,7 @@ namespace Game.Entities
             if (spellInfo.RangeEntry.RangeMax[0] == spellInfo.RangeEntry.RangeMax[1])
                 return spellInfo.GetMaxRange();
 
-            if (!target)
+            if (target == null)
                 return spellInfo.GetMaxRange(true);
 
             return spellInfo.GetMaxRange(!IsHostileTo(target));
@@ -1841,7 +1841,7 @@ namespace Game.Entities
             if (spellInfo.RangeEntry.RangeMin[0] == spellInfo.RangeEntry.RangeMin[1])
                 return spellInfo.GetMinRange();
 
-            if (!target)
+            if (target == null)
                 return spellInfo.GetMinRange(true);
 
             return spellInfo.GetMinRange(!IsHostileTo(target));
@@ -1922,7 +1922,7 @@ namespace Game.Entities
 
             // cut duration only of negative effects
             Unit unitTarget = target.ToUnit();
-            if (!unitTarget)
+            if (unitTarget == null)
                 return duration;
 
             if (!positive)
@@ -1986,7 +1986,7 @@ namespace Game.Entities
                 modOwner.ApplySpellMod(spellInfo, SpellModOp.ChangeCastTime, ref castTime, spell);
 
             Unit unitCaster = ToUnit();
-            if (!unitCaster)
+            if (unitCaster == null)
                 return;
 
             if (unitCaster.IsPlayer() && unitCaster.ToPlayer().GetCommandStatus(PlayerCommandStates.Casttime))
@@ -2013,7 +2013,7 @@ namespace Game.Entities
                 modOwner.ApplySpellMod(spellInfo, SpellModOp.ChangeCastTime, ref duration, spell);
 
             Unit unitCaster = ToUnit();
-            if (!unitCaster)
+            if (unitCaster == null)
                 return;
 
             if (!(spellInfo.HasAttribute(SpellAttr0.IsAbility) || spellInfo.HasAttribute(SpellAttr0.IsTradeskill) || spellInfo.HasAttribute(SpellAttr3.IgnoreCasterModifiers)) &&
@@ -2227,7 +2227,7 @@ namespace Game.Entities
 
             bool isAttackableBySummoner(Unit me, ObjectGuid targetGuid)
             {
-                if (!me)
+                if (me == null)
                     return false;
 
                 TempSummon tempSummon = me.ToTempSummon();
@@ -2252,7 +2252,7 @@ namespace Game.Entities
             Player targetPlayerOwner = target.GetAffectingPlayer();
 
             // check forced reputation to support SPELL_AURA_FORCE_REACTION
-            if (selfPlayerOwner)
+            if (selfPlayerOwner != null)
             {
                 var targetFactionTemplateEntry = target.GetFactionTemplateEntry();
                 if (targetFactionTemplateEntry != null)
@@ -2262,7 +2262,7 @@ namespace Game.Entities
                         return repRank;
                 }
             }
-            else if (targetPlayerOwner)
+            else if (targetPlayerOwner != null)
             {
                 var selfFactionTemplateEntry = GetFactionTemplateEntry();
                 if (selfFactionTemplateEntry != null)
@@ -2275,11 +2275,11 @@ namespace Game.Entities
 
             Unit unit = ToUnit() ?? selfPlayerOwner;
             Unit targetUnit = target.ToUnit() ?? targetPlayerOwner;
-            if (unit && unit.HasUnitFlag(UnitFlags.PlayerControlled))
+            if (unit != null && unit.HasUnitFlag(UnitFlags.PlayerControlled))
             {
-                if (targetUnit && targetUnit.HasUnitFlag(UnitFlags.PlayerControlled))
+                if (targetUnit != null && targetUnit.HasUnitFlag(UnitFlags.PlayerControlled))
                 {
-                    if (selfPlayerOwner && targetPlayerOwner)
+                    if (selfPlayerOwner != null && targetPlayerOwner != null)
                     {
                         // always friendly to other unit controlled by player, or to the player himself
                         if (selfPlayerOwner == targetPlayerOwner)
@@ -2300,7 +2300,7 @@ namespace Game.Entities
                     if (unit.IsFFAPvP() && targetUnit.IsFFAPvP())
                         return ReputationRank.Hostile;
 
-                    if (selfPlayerOwner)
+                    if (selfPlayerOwner != null)
                     {
                         var targetFactionTemplateEntry = targetUnit.GetFactionTemplateEntry();
                         if (targetFactionTemplateEntry != null)
@@ -2605,7 +2605,7 @@ namespace Game.Entities
             }
 
             // CvC case - can attack each other only when one of them is hostile
-            if (unit && !unit.HasUnitFlag(UnitFlags.PlayerControlled) && unitTarget != null && !unitTarget.HasUnitFlag(UnitFlags.PlayerControlled))
+            if (unit != null && !unit.HasUnitFlag(UnitFlags.PlayerControlled) && unitTarget != null && !unitTarget.HasUnitFlag(UnitFlags.PlayerControlled))
                 return IsHostileTo(unitTarget) || unitTarget.IsHostileTo(this);
 
             // Traps without owner or with NPC owner versus Creature case - can attack to creature only when one of them is hostile
@@ -2613,7 +2613,7 @@ namespace Game.Entities
             {
                 Unit goOwner = go.GetOwner();
                 if (goOwner == null || !goOwner.HasUnitFlag(UnitFlags.PlayerControlled))
-                    if (unitTarget && !unitTarget.HasUnitFlag(UnitFlags.PlayerControlled))
+                    if (unitTarget != null && !unitTarget.HasUnitFlag(UnitFlags.PlayerControlled))
                         return IsHostileTo(unitTarget) || unitTarget.IsHostileTo(this);
             }
 
@@ -2630,10 +2630,10 @@ namespace Game.Entities
                 return false;
 
             // Not all neutral creatures can be attacked (even some unfriendly faction does not react aggresive to you, like Sporaggar)
-            if ((playerAffectingAttacker && !playerAffectingTarget) || (!playerAffectingAttacker && playerAffectingTarget))
+            if ((playerAffectingAttacker != null && playerAffectingTarget == null) || (playerAffectingAttacker == null && playerAffectingTarget != null))
             {
-                Player player = playerAffectingAttacker ? playerAffectingAttacker : playerAffectingTarget;
-                Unit creature = playerAffectingAttacker ? unitTarget : unit;
+                Player player = playerAffectingAttacker != null ? playerAffectingAttacker : playerAffectingTarget;
+                Unit creature = playerAffectingAttacker != null ? unitTarget : unit;
                 if (creature != null)
                 {
                     if (creature.IsContestedGuard() && player.HasPlayerFlag(PlayerFlags.ContestedPVP))
@@ -2658,7 +2658,7 @@ namespace Game.Entities
                 }
             }
 
-            if (playerAffectingAttacker && playerAffectingTarget)
+            if (playerAffectingAttacker != null && playerAffectingTarget != null)
                 if (playerAffectingAttacker.duel != null && playerAffectingAttacker.duel.Opponent == playerAffectingTarget && playerAffectingAttacker.duel.State == DuelState.InProgress)
                     return true;
 
@@ -2668,7 +2668,7 @@ namespace Game.Entities
                 return false;
 
             // additional checks - only PvP case
-            if (playerAffectingAttacker && playerAffectingTarget)
+            if (playerAffectingAttacker != null && playerAffectingTarget != null)
             {
                 if (playerAffectingTarget.IsPvP() || (bySpell != null && bySpell.HasAttribute(SpellAttr5.IgnoreAreaEffectPvpCheck)))
                     return true;
@@ -2686,7 +2686,7 @@ namespace Game.Entities
         // function based on function Unit::CanAssist from 13850 client
         public bool IsValidAssistTarget(WorldObject target, SpellInfo bySpell = null, bool spellCheck = true)
         {
-            Cypher.Assert(target);
+            Cypher.Assert(target != null);
 
             // some negative spells can be casted at friendly target
             bool isNegativeSpell = bySpell != null && !bySpell.IsPositive();
@@ -2697,7 +2697,7 @@ namespace Game.Entities
 
             // can't assist unattackable units
             Unit unitTarget = target.ToUnit();
-            if (unitTarget && unitTarget.HasUnitState(UnitState.Unattackable))
+            if (unitTarget != null && unitTarget.HasUnitState(UnitState.Unattackable))
                 return false;
 
             // can't assist GMs
@@ -2706,7 +2706,7 @@ namespace Game.Entities
 
             // can't assist own vehicle or passenger
             Unit unit = ToUnit();
-            if (unit && unitTarget && unit.GetVehicle())
+            if (unit != null && unitTarget != null && unit.GetVehicle() != null)
             {
                 if (unit.IsOnVehicle(unitTarget))
                     return false;
@@ -2720,7 +2720,7 @@ namespace Game.Entities
                 return false;
 
             // can't assist dead
-            if ((bySpell == null || !bySpell.IsAllowingDeadTarget()) && unitTarget && !unitTarget.IsAlive())
+            if ((bySpell == null || !bySpell.IsAllowingDeadTarget()) && unitTarget != null && !unitTarget.IsAlive())
                 return false;
 
             // can't assist untargetable
@@ -2750,7 +2750,7 @@ namespace Game.Entities
             }
 
             // can't assist non-friendly targets
-            if (GetReactionTo(target) < ReputationRank.Neutral && target.GetReactionTo(this) < ReputationRank.Neutral && (!ToCreature() || !ToCreature().HasFlag(CreatureStaticFlags4.TreatAsRaidUnitForHelpfulSpells)))
+            if (GetReactionTo(target) < ReputationRank.Neutral && target.GetReactionTo(this) < ReputationRank.Neutral && (!IsCreature() || !ToCreature().HasFlag(CreatureStaticFlags4.TreatAsRaidUnitForHelpfulSpells)))
                 return false;
 
             // PvP case
@@ -2934,7 +2934,7 @@ namespace Game.Entities
         public void PlayDirectSound(uint soundId, Player target = null, uint broadcastTextId = 0)
         {
             PlaySound sound = new(GetGUID(), soundId, broadcastTextId);
-            if (target)
+            if (target != null)
                 target.SendPacket(sound);
             else
                 SendMessageToSet(sound, true);
@@ -2942,7 +2942,7 @@ namespace Game.Entities
 
         public void PlayDirectMusic(uint musicId, Player target = null)
         {
-            if (target)
+            if (target != null)
                 target.SendPacket(new PlayMusic(musicId));
             else
                 SendMessageToSet(new PlayMusic(musicId), true);
@@ -2957,7 +2957,7 @@ namespace Game.Entities
             pkt.Position = GetPosition();
             pkt.BroadcastTextID = broadcastTextId;
 
-            if (target)
+            if (target != null)
                 target.SendPacket(pkt);
             else
                 SendMessageToSet(pkt, true);
@@ -3232,7 +3232,7 @@ namespace Game.Entities
 
         public bool IsWithinDistInMap(WorldObject obj, float dist2compare, bool is3D = true, bool incOwnRadius = true, bool incTargetRadius = true)
         {
-            return obj && IsInMap(obj) && InSamePhase(obj) && _IsWithinDist(obj, dist2compare, is3D, incOwnRadius, incTargetRadius);
+            return obj != null && IsInMap(obj) && InSamePhase(obj) && _IsWithinDist(obj, dist2compare, is3D, incOwnRadius, incTargetRadius);
         }
 
         public bool IsWithinLOS(float ox, float oy, float oz, LineOfSightChecks checks = LineOfSightChecks.All, ModelIgnoreFlags ignoreFlags = ModelIgnoreFlags.Nothing)
@@ -3348,7 +3348,7 @@ namespace Game.Entities
 
         public bool IsInBetween(WorldObject obj1, WorldObject obj2, float size = 0)
         {
-            return obj1 && obj2 && IsInBetween(obj1.GetPosition(), obj2.GetPosition(), size);
+            return obj1 != null && obj2 != null && IsInBetween(obj1.GetPosition(), obj2.GetPosition(), size);
         }
 
         public bool IsInBetween(Position pos1, Position pos2, float size)
@@ -3480,7 +3480,7 @@ namespace Game.Entities
         {
             float effectiveReach = GetCombatReach();
 
-            if (searcher)
+            if (searcher != null)
             {
                 effectiveReach += searcher.GetCombatReach();
 
@@ -3796,11 +3796,6 @@ namespace Game.Entities
         public FlaggedArray32<ServerSideVisibilityType> m_serverSideVisibility = new(2);
         public FlaggedArray32<ServerSideVisibilityType> m_serverSideVisibilityDetect = new(2);
         #endregion
-
-        public static implicit operator bool(WorldObject obj)
-        {
-            return obj != null;
-        }
     }
 
     public class MovementInfo

Source/Game/Entities/Pet.cs

@@ -709,7 +709,7 @@ namespace Game.Entities
 
         public bool CreateBaseAtCreature(Creature creature)
         {
-            Cypher.Assert(creature);
+            Cypher.Assert(creature != null);
 
             if (!CreateBaseAtTamed(creature.GetCreatureTemplate(), creature.GetMap()))
                 return false;
@@ -1251,7 +1251,7 @@ namespace Game.Entities
                 {
                     // need update action bar for last removed rank
                     Unit owner = GetOwner();
-                    if (owner)
+                    if (owner != null)
                         if (owner.IsTypeId(TypeId.Player))
                             owner.ToPlayer().PetSpellInitialize();
                 }
@@ -1356,7 +1356,7 @@ namespace Game.Entities
 
         public bool Create(ulong guidlow, Map map, uint entry, uint petNumber)
         {
-            Cypher.Assert(map);
+            Cypher.Assert(map != null);
             SetMap(map);
 
             // TODO: counter should be constructed as (summon_count << 32) | petNumber
@@ -1458,7 +1458,7 @@ namespace Game.Entities
         public void SynchronizeLevelWithOwner()
         {
             Unit owner = GetOwner();
-            if (!owner || !owner.IsTypeId(TypeId.Player))
+            if (owner == null || !owner.IsTypeId(TypeId.Player))
                 return;
 
             switch (GetPetType())
@@ -1534,7 +1534,7 @@ namespace Game.Entities
         public GroupUpdatePetFlags GetGroupUpdateFlag() { return m_groupUpdateMask; }
         public void SetGroupUpdateFlag(GroupUpdatePetFlags flag)
         {
-            if (GetOwner().GetGroup())
+            if (GetOwner().GetGroup() != null)
             {
                 m_groupUpdateMask |= flag;
                 GetOwner().SetGroupUpdateFlag(GroupUpdateFlags.Pet);
@@ -1543,7 +1543,7 @@ namespace Game.Entities
         public void ResetGroupUpdateFlag()
         {
             m_groupUpdateMask = GroupUpdatePetFlags.None;
-            if (GetOwner().GetGroup())
+            if (GetOwner().GetGroup() != null)
                 GetOwner().RemoveGroupUpdateFlag(GroupUpdateFlags.Pet);
         }
 

Source/Game/Entities/Player/CinematicManager.cs

@@ -68,7 +68,7 @@ namespace Game.Entities
 
                     player.GetMap().LoadGridForActiveObject(pos.GetPositionX(), pos.GetPositionY(), player);
                     m_CinematicObject = player.SummonCreature(1, pos.posX, pos.posY, pos.posZ, 0.0f, TempSummonType.TimedDespawn, TimeSpan.FromMinutes(5));
-                    if (m_CinematicObject)
+                    if (m_CinematicObject != null)
                     {
                         m_CinematicObject.SetActive(true);
                         player.SetViewpoint(m_CinematicObject, true);
@@ -89,10 +89,10 @@ namespace Game.Entities
             m_cinematicCamera = null;
             m_activeCinematic = null;
             m_activeCinematicCameraIndex = -1;
-            if (m_CinematicObject)
+            if (m_CinematicObject != null)
             {
                 WorldObject vpObject = player.GetViewpoint();
-                if (vpObject)
+                if (vpObject != null)
                     if (vpObject == m_CinematicObject)
                         player.SetViewpoint(m_CinematicObject, false);
 
@@ -170,7 +170,7 @@ namespace Game.Entities
 
             // Advance (at speed) to this position. The remote sight object is used
             // to send update information to player in cinematic
-            if (m_CinematicObject && interPosition.IsPositionValid())
+            if (m_CinematicObject != null && interPosition.IsPositionValid())
                 m_CinematicObject.MonsterMoveWithSpeed(interPosition.posX, interPosition.posY, interPosition.posZ, 500.0f, false, true);
 
             // If we never received an end packet 10 seconds after the final timestamp then force an end

Source/Game/Entities/Player/CollectionManager.cs

@@ -237,7 +237,7 @@ namespace Game.Entities
         public void UpgradeHeirloom(uint itemId, uint castItem)
         {
             Player player = _owner.GetPlayer();
-            if (!player)
+            if (player == null)
                 return;
 
             HeirloomRecord heirloom = Global.DB2Mgr.GetHeirloomByItemId(itemId);
@@ -275,7 +275,7 @@ namespace Game.Entities
         public void CheckHeirloomUpgrades(Item item)
         {
             Player player = _owner.GetPlayer();
-            if (!player)
+            if (player == null)
                 return;
 
             // Check already owned heirloom for upgrade kits
@@ -292,7 +292,7 @@ namespace Game.Entities
                 HeirloomRecord heirloomDiff;
                 while ((heirloomDiff = Global.DB2Mgr.GetHeirloomByItemId(heirloomItemId)) != null)
                 {
-                    if (player.GetItemByEntry(heirloomDiff.ItemID))
+                    if (player.GetItemByEntry(heirloomDiff.ItemID) != null)
                         newItemId = heirloomDiff.ItemID;
 
                     HeirloomRecord heirloomSub = Global.DB2Mgr.GetHeirloomByItemId(heirloomDiff.StaticUpgradedItemID);
@@ -372,7 +372,7 @@ namespace Game.Entities
         public bool AddMount(uint spellId, MountStatusFlags flags, bool factionMount = false, bool learned = false)
         {
             Player player = _owner.GetPlayer();
-            if (!player)
+            if (player == null)
                 return false;
 
             MountRecord mount = Global.DB2Mgr.GetMount(spellId);
@@ -420,7 +420,7 @@ namespace Game.Entities
         void SendSingleMountUpdate(uint spellId, MountStatusFlags mountStatusFlags)
         {
             Player player = _owner.GetPlayer();
-            if (!player)
+            if (player == null)
                 return;
 
             AccountMountUpdate mountUpdate = new();
@@ -592,7 +592,7 @@ namespace Game.Entities
             if (itemTemplate == null)
                 return false;
 
-            if (!_owner.GetPlayer())
+            if (_owner.GetPlayer() == null)
                 return false;
 
             if (_owner.GetPlayer().CanUseItem(itemTemplate) != InventoryResult.Ok)

Source/Game/Entities/Player/KillRewarder.cs

@@ -129,14 +129,14 @@ namespace Game.Entities
                             // 2.4. _maxNotGrayMember - maximum level of alive group member within reward distance,
                             //      for whom victim is not gray;
                             uint grayLevel = Formulas.GetGrayLevel(lvl);
-                            if (_victim.GetLevelForTarget(member) > grayLevel && (!_maxNotGrayMember || _maxNotGrayMember.GetLevel() < lvl))
+                            if (_victim.GetLevelForTarget(member) > grayLevel && (_maxNotGrayMember == null || _maxNotGrayMember.GetLevel() < lvl))
                                 _maxNotGrayMember = member;
                         }
                     }
                 }
                 // 2.5. _isFullXP - flag identifying that for all group members victim is not gray,
                 //      so 100% XP will be rewarded (50% otherwise).
-                _isFullXP = _maxNotGrayMember && (_maxLevel == _maxNotGrayMember.GetLevel());
+                _isFullXP = _maxNotGrayMember != null && (_maxLevel == _maxNotGrayMember.GetLevel());
             }
             else
                 _count = 1;
@@ -185,7 +185,7 @@ namespace Game.Entities
                 // 4.2.3. Give XP to player.
                 player.GiveXP(xp, _victim, _groupRate);
                 Pet pet = player.GetPet();
-                if (pet)
+                if (pet != null)
                     // 4.2.4. If player has pet, reward pet with XP (100% for single player, 50% for group case).
                     pet.GivePetXP(player.GetGroup() != null ? xp / 2 : xp);
             }
@@ -264,7 +264,7 @@ namespace Game.Entities
                     for (GroupReference refe = group.GetFirstMember(); refe != null; refe = refe.Next())
                     {
                         Player member = refe.GetSource();
-                        if (member)
+                        if (member != null)
                         {
                             // Killer may not be at reward distance, check directly
                             if (killer == member || member.IsAtGroupRewardDistance(_victim))

Source/Game/Entities/Player/Player.Achievement.cs

@@ -67,7 +67,7 @@ namespace Game.Entities
                 scenario.UpdateCriteria(type, miscValue1, miscValue2, miscValue3, refe, this);
 
             Guild guild = Global.GuildMgr.GetGuildById(GetGuildId());
-            if (guild)
+            if (guild != null)
                 guild.UpdateCriteria(type, miscValue1, miscValue2, miscValue3, refe, this);
         }
 

Source/Game/Entities/Player/Player.Combat.cs

@@ -38,19 +38,19 @@ namespace Game.Entities
 
             // prepare data for near group iteration
             Group group = GetGroup();
-            if (group)
+            if (group != null)
             {
                 for (GroupReference refe = group.GetFirstMember(); refe != null; refe = refe.Next())
                 {
                     Player player = refe.GetSource();
-                    if (!player)
+                    if (player == null)
                         continue;
 
                     if (!player.IsAtGroupRewardDistance(pRewardSource))
                         continue;                               // member (alive or dead) or his corpse at req. distance
 
                     // quest objectives updated only for alive group member or dead but with not released body
-                    if (player.IsAlive() || !player.GetCorpse())
+                    if (player.IsAlive() || player.GetCorpse() == null)
                         player.KilledMonsterCredit(creature_id, creature_guid);
                 }
             }
@@ -247,7 +247,7 @@ namespace Game.Entities
         bool IsTwoHandUsed()
         {
             Item mainItem = GetItemByPos(InventorySlots.Bag0, EquipmentSlot.MainHand);
-            if (!mainItem)
+            if (mainItem == null)
                 return false;
 
             ItemTemplate itemTemplate = mainItem.GetTemplate();
@@ -259,14 +259,14 @@ namespace Game.Entities
         bool IsUsingTwoHandedWeaponInOneHand()
         {
             Item offItem = GetItemByPos(InventorySlots.Bag0, EquipmentSlot.OffHand);
-            if (offItem && offItem.GetTemplate().GetInventoryType() == InventoryType.Weapon2Hand)
+            if (offItem != null && offItem.GetTemplate().GetInventoryType() == InventoryType.Weapon2Hand)
                 return true;
 
             Item mainItem = GetItemByPos(InventorySlots.Bag0, EquipmentSlot.MainHand);
-            if (!mainItem || mainItem.GetTemplate().GetInventoryType() == InventoryType.Weapon2Hand)
+            if (mainItem == null || mainItem.GetTemplate().GetInventoryType() == InventoryType.Weapon2Hand)
                 return false;
 
-            if (!offItem)
+            if (offItem == null)
                 return false;
 
             return true;
@@ -390,7 +390,7 @@ namespace Game.Entities
 
             ObjectGuid duelFlagGUID = m_playerData.DuelArbiter;
             GameObject obj = GetMap().GetGameObject(duelFlagGUID);
-            if (!obj)
+            if (obj == null)
                 return;
 
             if (duel.OutOfBoundsTime == 0)
@@ -494,7 +494,7 @@ namespace Game.Entities
 
             //Remove Duel Flag object
             GameObject obj = GetMap().GetGameObject(m_playerData.DuelArbiter);
-            if (obj)
+            if (obj != null)
                 duel.Initiator.RemoveGameObject(obj, true);
 
             //remove auras

Source/Game/Entities/Player/Player.DB.cs

@@ -77,7 +77,7 @@ namespace Game.Entities
                         if (item.HasItemFlag(ItemFieldFlags.Child))
                         {
                             Item parent = GetItemByGuid(item.GetCreator());
-                            if (parent)
+                            if (parent != null)
                             {
                                 parent.SetChildItem(item.GetGUID());
                                 item.CopyArtifactDataFromParent(parent);
@@ -1468,7 +1468,7 @@ namespace Game.Entities
             if (!result.IsEmpty())
             {
                 Group group = Global.GroupMgr.GetGroupByDbStoreId(result.Read<uint>(0));
-                if (group)
+                if (group != null)
                 {
                     if (group.IsLeader(GetGUID()))
                         SetPlayerFlag(PlayerFlags.GroupLeader);
@@ -1485,7 +1485,7 @@ namespace Game.Entities
                 }
             }
 
-            if (!GetGroup() || !GetGroup().IsLeader(GetGUID()))
+            if (GetGroup() == null || !GetGroup().IsLeader(GetGUID()))
                 RemovePlayerFlag(PlayerFlags.GroupLeader);
         }
         void _LoadInstanceTimeRestrictions(SQLResult result)
@@ -1777,7 +1777,7 @@ namespace Game.Entities
                     case ItemUpdateState.Changed:
                         stmt = CharacterDatabase.GetPreparedStatement(CharStatements.REP_INVENTORY_ITEM);
                         stmt.AddValue(0, GetGUID().GetCounter());
-                        stmt.AddValue(1, container ? container.GetGUID().GetCounter() : 0);
+                        stmt.AddValue(1, container != null ? container.GetGUID().GetCounter() : 0);
                         stmt.AddValue(2, item.GetSlot());
                         stmt.AddValue(3, item.GetGUID().GetCounter());
                         trans.Append(stmt);
@@ -3090,7 +3090,7 @@ namespace Game.Entities
                             mapId = transportOnMap.GetExpectedMapId();
                             instanceId = 0;
                             transportMap = Global.MapMgr.CreateMap(mapId, this);
-                            if (transportMap)
+                            if (transportMap != null)
                                 transport = transportMap.GetTransport(transGUID);
                         }
                         else
@@ -3098,7 +3098,7 @@ namespace Game.Entities
                     }
                 }
                 
-                if (transport)
+                if (transport != null)
                 {
                     float x = trans_x;
                     float y = trans_y;
@@ -3201,13 +3201,13 @@ namespace Game.Entities
 
             // NOW player must have valid map
             // load the player's map here if it's not already loaded
-            if (!map)
+            if (map == null)
                 map = Global.MapMgr.CreateMap(mapId, this);
 
             AreaTriggerStruct areaTrigger = null;
             bool check = false;
 
-            if (!map)
+            if (map == null)
             {
                 areaTrigger = Global.ObjectMgr.GetGoBackTrigger(mapId);
                 check = true;
@@ -3241,11 +3241,11 @@ namespace Game.Entities
                 }
             }
 
-            if (!map)
+            if (map == null)
             {
                 RelocateToHomebind();
                 map = Global.MapMgr.CreateMap(mapId, this);
-                if (!map)
+                if (map == null)
                 {
                     Log.outError(LogFilter.Player, "Player {0} {1} Map: {2}, {3}. Invalid default map coordinates or instance couldn't be created.", GetName(), guid.ToString(), mapId, GetPosition());
                     return false;
@@ -3960,7 +3960,7 @@ namespace Game.Entities
 
             // save pet (hunter pet level and experience and all type pets health/mana).
             Pet pet = GetPet();
-            if (pet)
+            if (pet != null)
                 pet.SavePetToDB(PetSaveMode.AsCurrent);
         }
         void DeleteSpellFromAllPlayers(uint spellId)
@@ -4060,7 +4060,7 @@ namespace Game.Entities
             if (guildId != 0)
             {
                 Guild guild = Global.GuildMgr.GetGuildById(guildId);
-                if (guild)
+                if (guild != null)
                     guild.DeleteMember(trans, playerGuid, false, false, true);
             }
 
@@ -4075,7 +4075,7 @@ namespace Game.Entities
             if (!resultGroup.IsEmpty())
             {
                 Group group = Global.GroupMgr.GetGroupByDbStoreId(resultGroup.Read<uint>(0));
-                if (group)
+                if (group != null)
                     RemoveFromGroup(group, playerGuid);
             }
 
@@ -4215,7 +4215,7 @@ namespace Game.Entities
                         do
                         {
                             Player playerFriend = Global.ObjAccessor.FindPlayer(ObjectGuid.Create(HighGuid.Player, resultFriends.Read<ulong>(0)));
-                            if (playerFriend)
+                            if (playerFriend != null)
                             {
                                 playerFriend.GetSocial().RemoveFromSocialList(playerGuid, SocialFlag.All);
                                 Global.SocialMgr.SendFriendStatus(playerFriend, FriendsResult.Removed, playerGuid);

Source/Game/Entities/Player/Player.Groups.cs

@@ -13,7 +13,7 @@ namespace Game.Entities
         Player GetNextRandomRaidMember(float radius)
         {
             Group group = GetGroup();
-            if (!group)
+            if (group == null)
                 return null;
 
             List<Player> nearMembers = new();
@@ -23,7 +23,7 @@ namespace Game.Entities
                 Player Target = refe.GetSource();
 
                 // IsHostileTo check duel and controlled by enemy
-                if (Target && Target != this && IsWithinDistInMap(Target, radius) &&
+                if (Target != null && Target != this && IsWithinDistInMap(Target, radius) &&
                     !Target.HasInvisibilityAura() && !IsHostileTo(Target))
                     nearMembers.Add(Target);
             }
@@ -38,7 +38,7 @@ namespace Game.Entities
         public PartyResult CanUninviteFromGroup(ObjectGuid guidMember, byte? partyIndex)
         {
             Group grp = GetGroup(partyIndex);
-            if (!grp)
+            if (grp == null)
                 return PartyResult.NotInGroup;
 
             if (grp.IsLFGGroup())
@@ -63,7 +63,7 @@ namespace Game.Entities
 
                 // @todo Should also be sent when anyone has recently left combat, with an aprox ~5 seconds timer.
                 for (GroupReference refe = grp.GetFirstMember(); refe != null; refe = refe.Next())
-                    if (refe.GetSource() && refe.GetSource().IsInMap(this) && refe.GetSource().IsInCombat())
+                    if (refe.GetSource() != null && refe.GetSource().IsInMap(this) && refe.GetSource().IsInCombat())
                         return PartyResult.PartyLfgBootInCombat;
 
                 /* Missing support for these types
@@ -117,7 +117,7 @@ namespace Game.Entities
             //remove existing reference
             m_group.Unlink();
             Group group = GetOriginalGroup();
-            if (group)
+            if (group != null)
             {
                 m_group.Link(group, this);
                 m_group.SetSubGroup(GetOriginalSubGroup());
@@ -127,7 +127,7 @@ namespace Game.Entities
 
         public void SetOriginalGroup(Group group, byte subgroup = 0)
         {
-            if (!group)
+            if (group == null)
                 m_originalGroup.Unlink();
             else
             {
@@ -162,7 +162,7 @@ namespace Game.Entities
                 return group;
 
             Group originalGroup = GetOriginalGroup();
-            if (originalGroup && originalGroup.GetGroupCategory() == category)
+            if (originalGroup != null && originalGroup.GetGroupCategory() == category)
                 return originalGroup;
 
             return null;
@@ -170,7 +170,7 @@ namespace Game.Entities
         
         public void SetGroup(Group group, byte subgroup = 0)
         {
-            if (!group)
+            if (group == null)
                 m_group.Unlink();
             else
             {
@@ -207,11 +207,11 @@ namespace Game.Entities
 
         public bool IsAtGroupRewardDistance(WorldObject pRewardSource)
         {
-            if (!pRewardSource || !IsInMap(pRewardSource))
+            if (pRewardSource == null || !IsInMap(pRewardSource))
                 return false;
 
             WorldObject player = GetCorpse();
-            if (!player || IsAlive())
+            if (player == null || IsAlive())
                 player = this;
 
             if (player.GetMap().IsDungeon())
@@ -259,7 +259,7 @@ namespace Game.Entities
         }
         public bool IsInSameGroupWith(Player p)
         {
-            return p == this || (GetGroup() &&
+            return p == this || (GetGroup() != null &&
                 GetGroup() == p.GetGroup() && GetGroup().SameSubGroup(this, p));
         }
 
@@ -271,7 +271,7 @@ namespace Game.Entities
         public void UninviteFromGroup()
         {
             Group group = GetGroupInvite();
-            if (!group)
+            if (group == null)
                 return;
 
             group.RemoveInvite(this);
@@ -291,7 +291,7 @@ namespace Game.Entities
         public void RemoveFromGroup(RemoveMethod method = RemoveMethod.Default) { RemoveFromGroup(GetGroup(), GetGUID(), method); }
         public static void RemoveFromGroup(Group group, ObjectGuid guid, RemoveMethod method = RemoveMethod.Default, ObjectGuid kicker = default, string reason = null)
         {
-            if (!group)
+            if (group == null)
                 return;
 
             group.RemoveMember(guid, method, kicker, reason);
@@ -302,13 +302,13 @@ namespace Game.Entities
             if (m_groupUpdateMask == GroupUpdateFlags.None)
                 return;
             Group group = GetGroup();
-            if (group)
+            if (group != null)
                 group.UpdatePlayerOutOfRange(this);
 
             m_groupUpdateMask = GroupUpdateFlags.None;
 
             Pet pet = GetPet();
-            if (pet)
+            if (pet != null)
                 pet.ResetGroupUpdateFlag();
         }
     }

Source/Game/Entities/Player/Player.Items.cs

@@ -222,7 +222,7 @@ namespace Game.Entities
             foreach (var guid in m_itemSoulboundTradeable.ToList())
             {
                 Item item = GetItemByGuid(guid);
-                if (!item || item.GetOwnerGUID() != GetGUID() || item.CheckSoulboundTradeExpire())
+                if (item == null || item.GetOwnerGUID() != GetGUID() || item.CheckSoulboundTradeExpire())
                     m_itemSoulboundTradeable.Remove(guid);
             }
         }
@@ -637,7 +637,7 @@ namespace Game.Entities
                 // search free slot in bag for place to
                 if (bag == InventorySlots.Bag0)                     // inventory
                 {
-                    if (pItem && pItem.HasItemFlag(ItemFieldFlags.Child))
+                    if (pItem != null && pItem.HasItemFlag(ItemFieldFlags.Child))
                     {
                         res = CanStoreItem_InInventorySlots(InventorySlots.ChildEquipmentStart, InventorySlots.ChildEquipmentEnd, dest, pProto, ref count, false, pItem, bag, slot);
                         if (res != InventoryResult.Ok)
@@ -791,7 +791,7 @@ namespace Game.Entities
             if (pItem != null && pItem.IsNotEmptyBag())
                 return InventoryResult.BagInBag;
 
-            if (pItem && pItem.HasItemFlag(ItemFieldFlags.Child))
+            if (pItem != null && pItem.HasItemFlag(ItemFieldFlags.Child))
             {
                 res = CanStoreItem_InInventorySlots(InventorySlots.ChildEquipmentStart, InventorySlots.ChildEquipmentEnd, dest, pProto, ref count, false, pItem, bag, slot);
                 if (res != InventoryResult.Ok)
@@ -813,7 +813,7 @@ namespace Game.Entities
             // search free slot
             byte searchSlotStart = InventorySlots.ItemStart;
             // new bags can be directly equipped
-            if (!pItem && pProto.GetClass() == ItemClass.Container && (ItemSubClassContainer)pProto.GetSubClass() == ItemSubClassContainer.Container &&
+            if (pItem == null && pProto.GetClass() == ItemClass.Container && (ItemSubClassContainer)pProto.GetSubClass() == ItemSubClassContainer.Container &&
                 (pProto.GetBonding() == ItemBondingType.None || pProto.GetBonding() == ItemBondingType.OnAcquire))
                 searchSlotStart = InventorySlots.BagStart;
 
@@ -874,7 +874,7 @@ namespace Game.Entities
             {
                 // build items in stock backpack
                 item2 = GetItemByPos(InventorySlots.Bag0, i);
-                if (item2 && !item2.IsInTrade())
+                if (item2 != null && !item2.IsInTrade())
                 {
                     inventoryCounts[i - InventorySlots.ItemStart] = item2.GetCount();
                     inventoryPointers[i - InventorySlots.ItemStart] = item2;
@@ -884,7 +884,7 @@ namespace Game.Entities
             for (byte i = InventorySlots.BagStart; i < InventorySlots.BagEnd; i++)
             {
                 Bag pBag = GetBagByPos(i);
-                if (pBag)
+                if (pBag != null)
                 {
                     bagCounts[i - InventorySlots.BagStart] = new uint[ItemConst.MaxBagSize];
                     bagPointers[i - InventorySlots.BagStart] = new Item[ItemConst.MaxBagSize];
@@ -892,7 +892,7 @@ namespace Game.Entities
                     {
                         // build item counts in equippable bags
                         item2 = GetItemByPos(i, j);
-                        if (item2 && !item2.IsInTrade())
+                        if (item2 != null && !item2.IsInTrade())
                         {
                             bagCounts[i - InventorySlots.BagStart][j] = item2.GetCount();
                             bagPointers[i - InventorySlots.BagStart][j] = item2;
@@ -908,7 +908,7 @@ namespace Game.Entities
                 Item item = items[k];
 
                 // no item
-                if (!item)
+                if (item == null)
                     continue;
 
                 uint remaining_count = item.GetCount();
@@ -942,7 +942,7 @@ namespace Game.Entities
                     for (byte t = InventorySlots.ItemStart; t < inventoryEnd; ++t)
                     {
                         item2 = inventoryPointers[t - InventorySlots.ItemStart];
-                        if (item2 && item2.CanBeMergedPartlyWith(pProto) == InventoryResult.Ok && inventoryCounts[t - InventorySlots.ItemStart] < pProto.GetMaxStackSize())
+                        if (item2 != null && item2.CanBeMergedPartlyWith(pProto) == InventoryResult.Ok && inventoryCounts[t - InventorySlots.ItemStart] < pProto.GetMaxStackSize())
                         {
                             inventoryCounts[t - InventorySlots.ItemStart] += remaining_count;
                             remaining_count = inventoryCounts[t - InventorySlots.ItemStart] < pProto.GetMaxStackSize() ? 0 : inventoryCounts[t - InventorySlots.ItemStart] - pProto.GetMaxStackSize();
@@ -960,7 +960,7 @@ namespace Game.Entities
                     for (byte t = InventorySlots.BagStart; !b_found && t < InventorySlots.BagEnd; ++t)
                     {
                         Bag bag = GetBagByPos(t);
-                        if (bag)
+                        if (bag != null)
                         {
                             if (!Item.ItemCanGoIntoBag(item.GetTemplate(), bag.GetTemplate()))
                                 continue;
@@ -968,7 +968,7 @@ namespace Game.Entities
                             for (byte j = 0; j < bag.GetBagSize(); j++)
                             {
                                 item2 = bagPointers[t - InventorySlots.BagStart][j];
-                                if (item2 && item2.CanBeMergedPartlyWith(pProto) == InventoryResult.Ok && bagCounts[t - InventorySlots.BagStart][j] < pProto.GetMaxStackSize())
+                                if (item2 != null && item2.CanBeMergedPartlyWith(pProto) == InventoryResult.Ok && bagCounts[t - InventorySlots.BagStart][j] < pProto.GetMaxStackSize())
                                 {
                                     // add count to stack so that later items in the list do not double-book
                                     bagCounts[t - InventorySlots.BagStart][j] += remaining_count;
@@ -994,7 +994,7 @@ namespace Game.Entities
                     for (byte t = InventorySlots.BagStart; !b_found && t < InventorySlots.BagEnd; ++t)
                     {
                         Bag bag = GetBagByPos(t);
-                        if (bag)
+                        if (bag != null)
                         {
                             pBagProto = bag.GetTemplate();
 
@@ -1042,7 +1042,7 @@ namespace Game.Entities
                 for (byte t = InventorySlots.BagStart; !b_found && t < InventorySlots.BagEnd; ++t)
                 {
                     Bag bag = GetBagByPos(t);
-                    if (bag)
+                    if (bag != null)
                     {
                         pBagProto = bag.GetTemplate();
 
@@ -1292,7 +1292,7 @@ namespace Game.Entities
                         List<ItemPosCount> childDest = new();
                         CanStoreItem_InInventorySlots(InventorySlots.ChildEquipmentStart, InventorySlots.ChildEquipmentEnd, childDest, childTemplate, ref count, false, null, ItemConst.NullBag, ItemConst.NullSlot);
                         Item childItem = StoreNewItem(childDest, childTemplate.GetId(), update, 0, null, context, null, addToCollection);
-                        if (childItem)
+                        if (childItem != null)
                         {
                             childItem.SetCreator(item.GetGUID());
                             childItem.SetItemFlag(ItemFieldFlags.Child);
@@ -1644,13 +1644,13 @@ namespace Game.Entities
             if (itemChildEquipment != null)
             {
                 Item childItem = GetChildItemByGuid(parentItem.GetChildItem());
-                if (childItem)
+                if (childItem != null)
                 {
                     ushort childDest = (ushort)((InventorySlots.Bag0 << 8) | itemChildEquipment.ChildItemEquipSlot);
                     if (childItem.GetPos() != childDest)
                     {
                         Item dstItem = GetItemByPos(childDest);
-                        if (!dstItem)                                      // empty slot, simple case
+                        if (dstItem == null)                                      // empty slot, simple case
                         {
                             RemoveItem(childItem.GetBagSlot(), childItem.GetSlot(), true);
                             EquipItem(childDest, childItem, true);
@@ -1722,7 +1722,7 @@ namespace Game.Entities
             if (Global.DB2Mgr.GetItemChildEquipment(parentItem.GetEntry()) != null)
             {
                 Item childItem = GetChildItemByGuid(parentItem.GetChildItem());
-                if (childItem)
+                if (childItem != null)
                 {
                     if (IsChildEquipmentPos(childItem.GetPos()))
                         return;
@@ -1770,10 +1770,10 @@ namespace Game.Entities
 
             if (msg != InventoryResult.Ok)
             {
-                if (item1)
+                if (item1 != null)
                     failure.Item[0] = item1.GetGUID();
 
-                if (item2)
+                if (item2 != null)
                     failure.Item[1] = item2.GetGUID();
 
                 failure.ContainerBSlot = 0; // bag equip slot, used with EQUIP_ERR_EVENT_AUTOEQUIP_BIND_CONFIRM and EQUIP_ERR_ITEM_DOESNT_GO_INTO_BAG2
@@ -1783,7 +1783,7 @@ namespace Game.Entities
                     case InventoryResult.CantEquipLevelI:
                     case InventoryResult.PurchaseLevelTooLow:
                     {
-                        failure.Level = (item1 ? item1.GetRequiredLevel() : 0);
+                        failure.Level = (item1 != null ? item1.GetRequiredLevel() : 0);
                         break;
                     }
                     case InventoryResult.EventAutoequipBindConfirm:    // no idea about this one...
@@ -1797,7 +1797,7 @@ namespace Game.Entities
                     case InventoryResult.ItemMaxLimitCategorySocketedExceededIs:
                     case InventoryResult.ItemMaxLimitCategoryEquippedExceededIs:
                     {
-                        ItemTemplate proto = item1 ? item1.GetTemplate() : Global.ObjectMgr.GetItemTemplate(itemId);
+                        ItemTemplate proto = item1 != null ? item1.GetTemplate() : Global.ObjectMgr.GetItemTemplate(itemId);
                         failure.LimitCategory = (int)(proto != null ? proto.GetItemLimitCategory() : 0u);
                         break;
                     }
@@ -1924,7 +1924,7 @@ namespace Game.Entities
             byte dstslot = (byte)(dst & 255);
 
             Item pSrcItem = GetItemByPos(srcbag, srcslot);
-            if (!pSrcItem)
+            if (pSrcItem == null)
             {
                 SendEquipError(InventoryResult.ItemNotFound, pSrcItem);
                 return;
@@ -1962,7 +1962,7 @@ namespace Game.Entities
 
             Log.outDebug(LogFilter.Player, "STORAGE: SplitItem bag = {0}, slot = {1}, item = {2}, count = {3}", dstbag, dstslot, pSrcItem.GetEntry(), count);
             Item pNewItem = pSrcItem.CloneItem(count, this);
-            if (!pNewItem)
+            if (pNewItem == null)
             {
                 SendEquipError(InventoryResult.ItemNotFound, pSrcItem);
                 return;
@@ -2044,7 +2044,7 @@ namespace Game.Entities
             if (pSrcItem.HasItemFlag(ItemFieldFlags.Child))
             {
                 Item parentItem = GetItemByGuid(pSrcItem.m_itemData.Creator);
-                if (parentItem)
+                if (parentItem != null)
                 {
                     if (IsEquipmentPos(src))
                     {
@@ -2055,10 +2055,10 @@ namespace Game.Entities
                     }
                 }
             }
-            else if (pDstItem && pDstItem.HasItemFlag(ItemFieldFlags.Child))
+            else if (pDstItem != null && pDstItem.HasItemFlag(ItemFieldFlags.Child))
             {
                 Item parentItem = GetItemByGuid(pDstItem.m_itemData.Creator);
-                if (parentItem)
+                if (parentItem != null)
                 {
                     if (IsEquipmentPos(dst))
                     {
@@ -2522,7 +2522,7 @@ namespace Game.Entities
                 packet.IsEncounterLoot = true;
             }
 
-            if (broadcast && GetGroup() && !item.GetTemplate().HasFlag(ItemFlags3.DontReportLootLogToParty))
+            if (broadcast && GetGroup() != null && !item.GetTemplate().HasFlag(ItemFlags3.DontReportLootLogToParty))
                 GetGroup().BroadcastPacket(packet, true);
             else
                 SendPacket(packet);
@@ -2576,7 +2576,7 @@ namespace Game.Entities
 
                 Item pItem = GetItemByPos(InventorySlots.Bag0, slot);
 
-                if (!pItem || pItem.GetSocketColor(0) == 0)   //if item has no sockets or no item is equipped go to next item
+                if (pItem == null || pItem.GetSocketColor(0) == 0)   //if item has no sockets or no item is equipped go to next item
                     continue;
 
                 //cycle all (gem)enchants
@@ -2675,7 +2675,7 @@ namespace Game.Entities
         public Item GetUseableItemByPos(byte bag, byte slot)
         {
             Item item = GetItemByPos(bag, slot);
-            if (!item)
+            if (item == null)
                 return null;
 
             if (!CanUseAttackType(GetAttackBySlot(slot, item.GetTemplate().GetInventoryType())))
@@ -2743,7 +2743,7 @@ namespace Game.Entities
             uint currentCount = 0;
             return !ForEachItem(location, pItem =>
             {
-                if (pItem && pItem.GetEntry() == item && !pItem.IsInTrade())
+                if (pItem != null && pItem.GetEntry() == item && !pItem.IsInTrade())
                 {
                     currentCount += pItem.GetCount();
                     if (currentCount >= count)
@@ -2879,7 +2879,7 @@ namespace Game.Entities
             for (byte i = InventorySlots.ItemStart; i < inventoryEnd; i++)
             {
                 Item pItem = GetItemByPos(InventorySlots.Bag0, i);
-                if (pItem)
+                if (pItem != null)
                 {
                     if (pItem.IsConjuredConsumable())
                         DestroyItem(InventorySlots.Bag0, i, update);
@@ -2890,12 +2890,12 @@ namespace Game.Entities
             for (byte i = InventorySlots.BagStart; i < InventorySlots.BagEnd; i++)
             {
                 Bag pBag = GetBagByPos(i);
-                if (pBag)
+                if (pBag != null)
                 {
                     for (byte j = 0; j < pBag.GetBagSize(); j++)
                     {
                         Item pItem = pBag.GetItemByPos(j);
-                        if (pItem)
+                        if (pItem != null)
                             if (pItem.IsConjuredConsumable())
                                 DestroyItem(i, j, update);
                     }
@@ -2906,7 +2906,7 @@ namespace Game.Entities
             for (byte i = EquipmentSlot.Start; i < InventorySlots.BagEnd; i++)
             {
                 Item pItem = GetItemByPos(InventorySlots.Bag0, i);
-                if (pItem)
+                if (pItem != null)
                     if (pItem.IsConjuredConsumable())
                         DestroyItem(InventorySlots.Bag0, i, update);
             }
@@ -2920,7 +2920,7 @@ namespace Game.Entities
             for (byte i = InventorySlots.ItemStart; i < inventoryEnd; i++)
             {
                 Item pItem = GetItemByPos(InventorySlots.Bag0, i);
-                if (pItem)
+                if (pItem != null)
                     if (pItem.IsLimitedToAnotherMapOrZone(GetMapId(), new_zone))
                         DestroyItem(InventorySlots.Bag0, i, update);
             }
@@ -2929,12 +2929,12 @@ namespace Game.Entities
             for (byte i = InventorySlots.BagStart; i < InventorySlots.BagEnd; i++)
             {
                 Bag pBag = GetBagByPos(i);
-                if (pBag)
+                if (pBag != null)
                 {
                     for (byte j = 0; j < pBag.GetBagSize(); j++)
                     {
                         Item pItem = pBag.GetItemByPos(j);
-                        if (pItem)
+                        if (pItem != null)
                             if (pItem.IsLimitedToAnotherMapOrZone(GetMapId(), new_zone))
                                 DestroyItem(i, j, update);
                     }
@@ -2945,7 +2945,7 @@ namespace Game.Entities
             for (byte i = EquipmentSlot.Start; i < InventorySlots.BagEnd; i++)
             {
                 Item pItem = GetItemByPos(InventorySlots.Bag0, i);
-                if (pItem)
+                if (pItem != null)
                     if (pItem.IsLimitedToAnotherMapOrZone(GetMapId(), new_zone))
                         DestroyItem(InventorySlots.Bag0, i, update);
             }
@@ -2955,7 +2955,7 @@ namespace Game.Entities
         {
             if (restrictOnlyLfg)
             {
-                if (!GetGroup() || !GetGroup().IsLFGGroup())
+                if (GetGroup() == null || !GetGroup().IsLFGGroup())
                     return InventoryResult.Ok;    // not in LFG group
 
                 // check if looted object is inside the lfg dungeon
@@ -3008,7 +3008,7 @@ namespace Game.Entities
                     for (byte i = InventorySlots.BuyBackStart + 1; i < InventorySlots.BuyBackEnd; ++i)
                     {
                         // found empty
-                        if (!m_items[i])
+                        if (m_items[i] == null)
                         {
                             oldest_slot = i;
                             break;
@@ -3066,7 +3066,7 @@ namespace Game.Entities
             }
 
             Creature creature = GetNPCIfCanInteractWith(vendorGuid, NPCFlags.Vendor, NPCFlags2.None);
-            if (!creature)
+            if (creature == null)
             {
                 Log.outDebug(LogFilter.Network, "WORLD: BuyCurrencyFromVendorSlot - {0} not found or you can't interact with him.", vendorGuid.ToString());
                 SendBuyError(BuyResult.DistanceTooFar, null, currency);
@@ -3233,7 +3233,7 @@ namespace Game.Entities
                 return false;
 
             Creature creature = GetNPCIfCanInteractWith(vendorguid, NPCFlags.Vendor, NPCFlags2.None);
-            if (!creature)
+            if (creature == null)
             {
                 Log.outDebug(LogFilter.Network, "WORLD: BuyItemFromVendor - {0} not found or you can't interact with him.", vendorguid.ToString());
                 SendBuyError(BuyResult.DistanceTooFar, null, item);
@@ -3456,7 +3456,7 @@ namespace Game.Entities
             SQLTransaction trans = new();
 
             Item item = Item.CreateItem(itemEntry, count, context, null);
-            if (item)
+            if (item != null)
             {
                 item.SaveToDB(trans);
                 draft.AddItem(item);
@@ -3481,7 +3481,7 @@ namespace Game.Entities
             if (slot >= InventorySlots.BuyBackStart && slot < InventorySlots.BuyBackEnd)
             {
                 Item pItem = m_items[slot];
-                if (pItem)
+                if (pItem != null)
                 {
                     pItem.RemoveFromWorld();
                     if (del)
@@ -3503,7 +3503,7 @@ namespace Game.Entities
                 SetBuybackTimestamp(eslot, 0);
 
                 // if current backslot is filled set to now free slot
-                if (m_items[m_currentBuybackSlot])
+                if (m_items[m_currentBuybackSlot] != null)
                     m_currentBuybackSlot = slot;
             }
         }
@@ -3518,19 +3518,19 @@ namespace Game.Entities
             for (byte i = EquipmentSlot.Start; i < inventoryEnd; ++i)
             {
                 Item item = GetUseableItemByPos(InventorySlots.Bag0, i);
-                if (item && Global.DB2Mgr.IsTotemCategoryCompatibleWith(item.GetTemplate().GetTotemCategory(), TotemCategory))
+                if (item != null && Global.DB2Mgr.IsTotemCategoryCompatibleWith(item.GetTemplate().GetTotemCategory(), TotemCategory))
                     return true;
             }
 
             for (byte i = InventorySlots.BagStart; i < InventorySlots.BagEnd; ++i)
             {
                 Bag bag = GetBagByPos(i);
-                if (bag)
+                if (bag != null)
                 {
                     for (byte j = 0; j < bag.GetBagSize(); ++j)
                     {
                         Item item = GetUseableItemByPos(i, j);
-                        if (item && Global.DB2Mgr.IsTotemCategoryCompatibleWith(item.GetTemplate().GetTotemCategory(), TotemCategory))
+                        if (item != null && Global.DB2Mgr.IsTotemCategoryCompatibleWith(item.GetTemplate().GetTotemCategory(), TotemCategory))
                             return true;
                     }
                 }
@@ -3539,7 +3539,7 @@ namespace Game.Entities
             for (byte i = InventorySlots.ChildEquipmentStart; i < InventorySlots.ChildEquipmentEnd; ++i)
             {
                 Item item = GetUseableItemByPos(InventorySlots.Bag0, i);
-                if (item && Global.DB2Mgr.IsTotemCategoryCompatibleWith(item.GetTemplate().GetTotemCategory(), TotemCategory))
+                if (item != null && Global.DB2Mgr.IsTotemCategoryCompatibleWith(item.GetTemplate().GetTotemCategory(), TotemCategory))
                     return true;
             }
 
@@ -4050,7 +4050,7 @@ namespace Game.Entities
         {
             for (byte i = 0; i < InventorySlots.BagEnd; ++i)
             {
-                if (m_items[i])
+                if (m_items[i] != null)
                 {
                     if (!m_items[i].IsAzeriteItem() || m_items[i].IsBroken() || !CanUseAttackType(Player.GetAttackBySlot(i, m_items[i].GetTemplate().GetInventoryType())))
                         continue;
@@ -4064,7 +4064,7 @@ namespace Game.Entities
         {
             for (byte i = 0; i < InventorySlots.BagEnd; ++i)
             {
-                if (m_items[i])
+                if (m_items[i] != null)
                 {
                     if (!m_items[i].IsAzeriteEmpoweredItem() || m_items[i].IsBroken() || !CanUseAttackType(Player.GetAttackBySlot(i, m_items[i].GetTemplate().GetInventoryType())))
                         continue;
@@ -4170,7 +4170,7 @@ namespace Game.Entities
 
             uint need_space;
 
-            if (pSrcItem)
+            if (pSrcItem != null)
             {
                 if (pSrcItem.IsNotEmptyBag() && !IsBagPos((ushort)((ushort)bag << 8 | slot)))
                     return InventoryResult.DestroyNonemptyBag;
@@ -4522,7 +4522,7 @@ namespace Game.Entities
                         ++freeSlotCount;
 
                 for (byte i = ProfessionSlots.Start; i < ProfessionSlots.End; ++i)
-                    if (!GetItemByPos(InventorySlots.Bag0, i))
+                    if (GetItemByPos(InventorySlots.Bag0, i) == null)
                         ++freeSlotCount;
             }
 
@@ -4650,7 +4650,7 @@ namespace Game.Entities
             if (pBag == null || pBag == pSrcItem)
                 return InventoryResult.WrongBagType;
 
-            if (pSrcItem)
+            if (pSrcItem != null)
             {
                 if (pSrcItem.IsNotEmptyBag())
                     return InventoryResult.DestroyNonemptyBag;
@@ -4990,7 +4990,7 @@ namespace Game.Entities
                             if (IsInCombat())
                                 return InventoryResult.NotInCombat;
                             Battleground bg = GetBattleground();
-                            if (bg)
+                            if (bg != null)
                                 if (bg.IsArena() && bg.GetStatus() == BattlegroundStatus.InProgress)
                                     return InventoryResult.NotDuringArenaMatch;
                         }
@@ -5151,7 +5151,7 @@ namespace Game.Entities
         public InventoryResult CanEquipChildItem(Item parentItem)
         {
             Item childItem = GetChildItemByGuid(parentItem.GetChildItem());
-            if (!childItem)
+            if (childItem == null)
                 return InventoryResult.Ok;
 
             ItemChildEquipmentRecord childEquipement = Global.DB2Mgr.GetItemChildEquipment(parentItem.GetEntry());
@@ -5159,7 +5159,7 @@ namespace Game.Entities
                 return InventoryResult.Ok;
 
             Item dstItem = GetItemByPos(InventorySlots.Bag0, childEquipement.ChildItemEquipSlot);
-            if (!dstItem)
+            if (dstItem == null)
                 return InventoryResult.Ok;
 
             ushort childDest = (ushort)((InventorySlots.Bag0 << 8) | childEquipement.ChildItemEquipSlot);
@@ -5278,7 +5278,7 @@ namespace Game.Entities
                 if (IsInCombat())
                     return InventoryResult.NotInCombat;
                 Battleground bg = GetBattleground();
-                if (bg)
+                if (bg != null)
                     if (bg.IsArena() && bg.GetStatus() == BattlegroundStatus.InProgress)
                         return InventoryResult.NotDuringArenaMatch;
             }
@@ -5403,9 +5403,9 @@ namespace Game.Entities
             else
             {
                 AzeriteEmpoweredItem azeriteEmpoweredItem = item.ToAzeriteEmpoweredItem();
-                if (azeriteEmpoweredItem)
+                if (azeriteEmpoweredItem != null)
                 {
-                    if (!apply || GetItemByEntry(PlayerConst.ItemIdHeartOfAzeroth, ItemSearchLocation.Equipment))
+                    if (!apply || GetItemByEntry(PlayerConst.ItemIdHeartOfAzeroth, ItemSearchLocation.Equipment) != null)
                     {
                         for (int i = 0; i < SharedConst.MaxAzeriteEmpoweredTier; ++i)
                         {
@@ -5884,7 +5884,7 @@ namespace Game.Entities
             for (byte i = InventorySlots.BankBagStart; i < InventorySlots.BankBagEnd; i++)
             {
                 Item item = GetItemByPos(InventorySlots.Bag0, i);
-                if (item)
+                if (item != null)
                 {
                     if (item.GetEntry() == itemEntry && !item.IsInTrade())
                     {
@@ -5914,7 +5914,7 @@ namespace Game.Entities
             for (byte i = InventorySlots.ReagentStart; i < InventorySlots.ReagentEnd; ++i)
             {
                 Item item = GetItemByPos(InventorySlots.Bag0, i);
-                if (item)
+                if (item != null)
                 {
                     if (item.GetEntry() == itemEntry && !item.IsInTrade())
                     {
@@ -5943,7 +5943,7 @@ namespace Game.Entities
             for (byte i = InventorySlots.ChildEquipmentStart; i < InventorySlots.ChildEquipmentEnd; ++i)
             {
                 Item item = GetItemByPos(InventorySlots.Bag0, i);
-                if (item)
+                if (item != null)
                 {
                     if (item.GetEntry() == itemEntry && !item.IsInTrade())
                     {
@@ -6017,7 +6017,7 @@ namespace Game.Entities
                 for (byte slot = (byte)(InventorySlots.ItemStart + slots); slot < InventorySlots.ItemEnd; ++slot)
                 {
                     Item unstorableItem = GetItemByPos(InventorySlots.Bag0, slot);
-                    if (unstorableItem)
+                    if (unstorableItem != null)
                         unstorableItems.Add(unstorableItem);
                 }
 
@@ -6110,7 +6110,7 @@ namespace Game.Entities
                     if (newitem.GetQuality() > ItemQuality.Epic || (newitem.GetQuality() == ItemQuality.Epic && newitem.GetItemLevel(this) >= GuildConst.MinNewsItemLevel))
                     {
                         Guild guild = GetGuild();
-                        if (guild)
+                        if (guild != null)
                             guild.AddGuildNews(GuildNews.ItemLooted, GetGUID(), 0, item.itemid);
                     }
                 }
@@ -6162,7 +6162,7 @@ namespace Game.Entities
             // We have to convert player corpse to bones, not to be able to resurrect there
             // SpawnCorpseBones isn't handy, 'cos it saves player while he in BG
             Corpse bones = GetMap().ConvertCorpseToBones(GetGUID(), true);
-            if (!bones)
+            if (bones == null)
                 return;
 
             // Now we must make bones lootable, and send player loot

Source/Game/Entities/Player/Player.Map.cs

@@ -156,12 +156,12 @@ namespace Game.Entities
             }
 
             // group update
-            if (GetGroup())
+            if (GetGroup() != null)
             {
                 SetGroupUpdateFlag(GroupUpdateFlags.Full);
 
                 Pet pet = GetPet();
-                if (pet)
+                if (pet != null)
                     pet.SetGroupUpdateFlag(GroupUpdatePetFlags.Full);
             }
 
@@ -213,7 +213,7 @@ namespace Game.Entities
                 Global.BattleFieldMgr.HandlePlayerEnterZone(this, newZone);
                 SendInitWorldStates(newZone, newArea);              // only if really enters to new zone, not just area change, works strange...
                 Guild guild = GetGuild();
-                if (guild)
+                if (guild != null)
                     guild.UpdateMemberData(this, GuildMemberData.ZoneId, newZone);
             }
         }
@@ -437,7 +437,7 @@ namespace Game.Entities
                 if (group == null || group.IsRaidGroup())
                     return false;
 
-            if (group)
+            if (group != null)
             {
                 // check if player's group is bound to this instance
                 if (group != instance.GetOwningGroup())
@@ -495,7 +495,7 @@ namespace Game.Entities
                 {
                     Group group = GetGroup();
                     Difficulty difficulty = group != null ? group.GetDifficultyID(mapEntry) : GetDifficultyID(mapEntry);
-                    ObjectGuid instanceOwnerGuid = group ? group.GetRecentInstanceOwner(targetMapId) : GetGUID();
+                    ObjectGuid instanceOwnerGuid = group != null ? group.GetRecentInstanceOwner(targetMapId) : GetGUID();
 
                     InstanceLock instanceLock = Global.InstanceLockMgr.FindActiveInstanceLock(instanceOwnerGuid, new MapDb2Entries(mapEntry, Global.DB2Mgr.GetDownscaledMapDifficultyData(targetMapId, ref difficulty)));
                     if (instanceLock != null)
@@ -532,7 +532,7 @@ namespace Game.Entities
             {
                 Map map = Global.MapMgr.FindMap(mapId, instanceId);
                 bool forgetInstance = false;
-                if (map)
+                if (map != null)
                 {
                     InstanceMap instance = map.ToInstanceMap();
                     if (instance != null)

Source/Game/Entities/Player/Player.PvP.cs

@@ -50,7 +50,7 @@ namespace Game.Entities
             // do not reward honor in arenas, but enable onkill spellproc
             if (InArena())
             {
-                if (!victim || victim == this || !victim.IsTypeId(TypeId.Player))
+                if (victim == null || victim == this || !victim.IsTypeId(TypeId.Player))
                     return false;
 
                 if (GetBGTeam() == victim.ToPlayer().GetBGTeam())
@@ -70,7 +70,7 @@ namespace Game.Entities
             UpdateHonorFields();
 
             // do not reward honor in arenas, but return true to enable onkill spellproc
-            if (InBattleground() && GetBattleground() && GetBattleground().IsArena())
+            if (InBattleground() && GetBattleground() != null && GetBattleground().IsArena())
                 return true;
 
             // Promote to float for calculations
@@ -78,12 +78,12 @@ namespace Game.Entities
 
             if (honor_f <= 0)
             {
-                if (!victim || victim == this || victim.HasAuraType(AuraType.NoPvpCredit))
+                if (victim == null || victim == this || victim.HasAuraType(AuraType.NoPvpCredit))
                     return false;
 
                 victim_guid = victim.GetGUID();
                 Player plrVictim = victim.ToPlayer();
-                if (plrVictim)
+                if (plrVictim != null)
                 {
                     if (GetEffectiveTeam() == plrVictim.GetEffectiveTeam() && !Global.WorldMgr.IsFFAPvPRealm())
                         return false;
@@ -179,7 +179,7 @@ namespace Game.Entities
 
             if (WorldConfig.GetBoolValue(WorldCfg.PvpTokenEnable) && pvptoken)
             {
-                if (!victim || victim == this || victim.HasAuraType(AuraType.NoPvpCredit))
+                if (victim == null || victim == this || victim.HasAuraType(AuraType.NoPvpCredit))
                     return true;
 
                 if (victim.IsTypeId(TypeId.Player))
@@ -511,7 +511,7 @@ namespace Game.Entities
         public bool CanUseBattlegroundObject(GameObject gameobject)
         {
             // It is possible to call this method with a null pointer, only skipping faction check.
-            if (gameobject)
+            if (gameobject != null)
             {
                 FactionTemplateRecord playerFaction = GetFactionTemplateEntry();
                 FactionTemplateRecord faction = CliDB.FactionTemplateStorage.LookupByKey(gameobject.GetFaction());
@@ -592,7 +592,7 @@ namespace Game.Entities
         public void LeaveBattleground(bool teleportToEntryPoint = true)
         {
             Battleground bg = GetBattleground();
-            if (bg)
+            if (bg != null)
             {
                 bg.RemovePlayerAtLeave(GetGUID(), teleportToEntryPoint, true);
 
@@ -648,7 +648,7 @@ namespace Game.Entities
             reportAfkResult.Offender = GetGUID();
             Battleground bg = GetBattleground();
             // Battleground also must be in progress!
-            if (!bg || bg != reporter.GetBattleground() || GetEffectiveTeam() != reporter.GetEffectiveTeam() || bg.GetStatus() != BattlegroundStatus.InProgress)
+            if (bg == null || bg != reporter.GetBattleground() || GetEffectiveTeam() != reporter.GetEffectiveTeam() || bg.GetStatus() != BattlegroundStatus.InProgress)
             {
                 reporter.SendPacket(reportAfkResult);
                 return;

Source/Game/Entities/Player/Player.Quest.cs

@@ -707,7 +707,7 @@ namespace Game.Entities
             if (CanCompleteQuest(quest.Id))
                 CompleteQuest(quest.Id);
 
-            if (!questGiver)
+            if (questGiver == null)
                 return;
 
             switch (questGiver.GetTypeId())
@@ -1190,10 +1190,10 @@ namespace Game.Entities
 
                     SpellInfo spellInfo = Global.SpellMgr.GetSpellInfo(displaySpell.SpellId, GetMap().GetDifficultyID());
                     Unit caster = this;
-                    if (questGiver && questGiver.IsTypeMask(TypeMask.Unit) && !quest.HasFlag(QuestFlags.PlayerCastComplete) && !spellInfo.HasTargetType(Targets.UnitCaster))
+                    if (questGiver != null && questGiver.IsTypeMask(TypeMask.Unit) && !quest.HasFlag(QuestFlags.PlayerCastComplete) && !spellInfo.HasTargetType(Targets.UnitCaster))
                     {
                         Unit unit = questGiver.ToUnit();
-                        if (unit)
+                        if (unit != null)
                             caster = unit;
                     }
 
@@ -2326,14 +2326,14 @@ namespace Game.Entities
         public void GroupEventHappens(uint questId, WorldObject pEventObject)
         {
             var group = GetGroup();
-            if (group)
+            if (group != null)
             {
                 for (GroupReference refe = group.GetFirstMember(); refe != null; refe = refe.Next())
                 {
                     Player player = refe.GetSource();
 
                     // for any leave or dead (with not released body) group member at appropriate distance
-                    if (player && player.IsAtGroupRewardDistance(pEventObject) && !player.GetCorpse())
+                    if (player != null && player.IsAtGroupRewardDistance(pEventObject) && player.GetCorpse() == null)
                         player.AreaExploredOrEventHappens(questId);
                 }
             }
@@ -2450,7 +2450,7 @@ namespace Game.Entities
                 Quest quest = Global.ObjectMgr.GetQuestTemplate(questId);
 
                 if (!QuestObjective.CanAlwaysBeProgressedInRaid(objectiveType))
-                    if (GetGroup() && GetGroup().IsRaidGroup() && !quest.IsAllowedInRaid(GetMap().GetDifficultyID()))
+                    if (GetGroup() != null && GetGroup().IsRaidGroup() && !quest.IsAllowedInRaid(GetMap().GetDifficultyID()))
                         continue;
 
                 ushort logSlot = objectiveStatusData.QuestStatusPair.Status.Slot;
@@ -2595,7 +2595,7 @@ namespace Game.Entities
                     continue;
 
                 // hide quest if player is in raid-group and quest is no raid quest
-                if (GetGroup() && GetGroup().IsRaidGroup() && !qInfo.IsAllowedInRaid(GetMap().GetDifficultyID()))
+                if (GetGroup() != null && GetGroup().IsRaidGroup() && !qInfo.IsAllowedInRaid(GetMap().GetDifficultyID()))
                     if (!InBattleground()) //there are two ways.. we can make every bg-quest a raidquest, or add this code here.. i don't know if this can be exploited by other quests, but i think all other quests depend on a specific area.. but keep this in mind, if something strange happens later
                         continue;
 
@@ -2611,7 +2611,7 @@ namespace Game.Entities
 
                 Quest qInfo = Global.ObjectMgr.GetQuestTemplate(questStatus.Key);
                 // hide quest if player is in raid-group and quest is no raid quest
-                if (GetGroup() && GetGroup().IsRaidGroup() && !qInfo.IsAllowedInRaid(GetMap().GetDifficultyID()))
+                if (GetGroup() != null && GetGroup().IsRaidGroup() && !qInfo.IsAllowedInRaid(GetMap().GetDifficultyID()))
                     if (!InBattleground())
                         continue;
 
@@ -2855,7 +2855,7 @@ namespace Game.Entities
             packet.SkillLineIDReward = quest.RewardSkillId;
             packet.NumSkillUpsReward = quest.RewardSkillPoints;
 
-            if (questGiver)
+            if (questGiver != null)
             {
                 if (questGiver.IsGossip())
                     packet.LaunchGossip = quest.HasFlag(QuestFlags.LaunchGossipComplete);
@@ -2910,7 +2910,7 @@ namespace Game.Entities
 
         public void SendQuestConfirmAccept(Quest quest, Player receiver)
         {
-            if (!receiver)
+            if (receiver == null)
                 return;
 
             QuestConfirmAcceptResponse packet = new();
@@ -2998,7 +2998,7 @@ namespace Game.Entities
                 {
                     // need also pet quests case support
                     Creature questgiver = ObjectAccessor.GetCreatureOrPetOrVehicle(this, itr);
-                    if (!questgiver || questgiver.IsHostileTo(this))
+                    if (questgiver == null || questgiver.IsHostileTo(this))
                         continue;
 
                     if (!questgiver.HasNpcFlag(NPCFlags.QuestGiver))
@@ -3009,7 +3009,7 @@ namespace Game.Entities
                 else if (itr.IsGameObject())
                 {
                     GameObject questgiver = GetMap().GetGameObject(itr);
-                    if (!questgiver || questgiver.GetGoType() != GameObjectTypes.QuestGiver)
+                    if (questgiver == null || questgiver.GetGoType() != GameObjectTypes.QuestGiver)
                         continue;
 
                     response.QuestGiver.Add(new QuestGiverInfo(questgiver.GetGUID(), GetQuestDialogStatus(questgiver)));
@@ -3048,7 +3048,7 @@ namespace Game.Entities
                     continue;
 
                 // hide quest if player is in raid-group and quest is no raid quest
-                if (GetGroup() && GetGroup().IsRaidGroup() && !qInfo.IsAllowedInRaid(GetMap().GetDifficultyID()))
+                if (GetGroup() != null && GetGroup().IsRaidGroup() && !qInfo.IsAllowedInRaid(GetMap().GetDifficultyID()))
                     if (!InBattleground()) //there are two ways.. we can make every bg-quest a raidquest, or add this code here.. i don't know if this can be exploited by other quests, but i think all other quests depend on a specific area.. but keep this in mind, if something strange happens later
                         continue;
 
@@ -3201,7 +3201,7 @@ namespace Game.Entities
             {
                 case DisplayToastType.NewItem:
                 {
-                    if (!item)
+                    if (item == null)
                         return;
 
                     displayToast.BonusRoll = isBonusRoll;

Source/Game/Entities/Player/Player.Spells.cs

@@ -211,7 +211,7 @@ namespace Game.Entities
         {
             Pet pet = GetPet();
 
-            if (!pet)
+            if (pet == null)
                 return;
 
             Log.outDebug(LogFilter.Pet, "Pet Spells Groups");
@@ -250,7 +250,7 @@ namespace Game.Entities
 
         public bool CanSeeSpellClickOn(Creature creature)
         {
-            if (!creature.HasNpcFlag(NPCFlags.SpellClick))
+            if (creature.HasNpcFlag(NPCFlags.SpellClick))
                 return false;
 
             var clickBounds = Global.ObjectMgr.GetSpellClickInfoMapBounds(creature.GetEntry());
@@ -871,7 +871,7 @@ namespace Game.Entities
         public void StopCastingBindSight()
         {
             WorldObject target = GetViewpoint();
-            if (target)
+            if (target != null)
             {
                 if (target.IsTypeMask(TypeMask.Unit))
                 {
@@ -950,7 +950,7 @@ namespace Game.Entities
                 var enchantDuration = m_enchantDuration[i];
                 if (enchantDuration.slot == slot)
                 {
-                    if (enchantDuration.item && enchantDuration.item.GetEnchantmentId(slot) != 0)
+                    if (enchantDuration.item != null && enchantDuration.item.GetEnchantmentId(slot) != 0)
                     {
                         // Poisons and DK runes are enchants which are allowed on arenas
                         if (Global.SpellMgr.IsArenaAllowedEnchancment(enchantDuration.item.GetEnchantmentId(slot)))
@@ -973,7 +973,7 @@ namespace Game.Entities
             for (byte i = InventorySlots.ItemStart; i < inventoryEnd; ++i)
             {
                 Item pItem = GetItemByPos(InventorySlots.Bag0, i);
-                if (pItem && !Global.SpellMgr.IsArenaAllowedEnchancment(pItem.GetEnchantmentId(slot)))
+                if (pItem != null && !Global.SpellMgr.IsArenaAllowedEnchancment(pItem.GetEnchantmentId(slot)))
                     pItem.ClearEnchantment(slot);
             }
 
@@ -981,12 +981,12 @@ namespace Game.Entities
             for (byte i = InventorySlots.BagStart; i < InventorySlots.BagEnd; ++i)
             {
                 Bag pBag = GetBagByPos(i);
-                if (pBag)
+                if (pBag != null)
                 {
                     for (byte j = 0; j < pBag.GetBagSize(); j++)
                     {
                         Item pItem = pBag.GetItemByPos(j);
-                        if (pItem && !Global.SpellMgr.IsArenaAllowedEnchancment(pItem.GetEnchantmentId(slot)))
+                        if (pItem != null && !Global.SpellMgr.IsArenaAllowedEnchancment(pItem.GetEnchantmentId(slot)))
                             pItem.ClearEnchantment(slot);
                     }
                 }
@@ -1755,12 +1755,12 @@ namespace Game.Entities
                 case ItemClass.Weapon:
                 {
                     Item item = GetUseableItemByPos(InventorySlots.Bag0, EquipmentSlot.MainHand);
-                    if (item)
+                    if (item != null)
                         if (item != ignoreItem && item.IsFitToSpellRequirements(spellInfo))
                             return true;
 
                     item = GetUseableItemByPos(InventorySlots.Bag0, EquipmentSlot.OffHand);
-                    if (item)
+                    if (item != null)
                         if (item != ignoreItem && item.IsFitToSpellRequirements(spellInfo))
                             return true;
                     break;
@@ -1790,7 +1790,7 @@ namespace Game.Entities
                         for (byte i = EquipmentSlot.Start; i < EquipmentSlot.MainHand; ++i)
                         {
                             Item item = GetUseableItemByPos(InventorySlots.Bag0, i);
-                            if (item)
+                            if (item != null)
                                 if (item != ignoreItem && item.IsFitToSpellRequirements(spellInfo))
                                     return true;
                         }
@@ -1801,7 +1801,7 @@ namespace Game.Entities
                         foreach (byte i in new[] { EquipmentSlot.Head, EquipmentSlot.Shoulders, EquipmentSlot.Chest, EquipmentSlot.Waist, EquipmentSlot.Legs, EquipmentSlot.Feet, EquipmentSlot.Wrist, EquipmentSlot.Hands })
                         {
                             Item item = GetUseableItemByPos(InventorySlots.Bag0, i);
-                            if (!item || item == ignoreItem || !item.IsFitToSpellRequirements(spellInfo))
+                            if (item == null || item == ignoreItem || !item.IsFitToSpellRequirements(spellInfo))
                                 return false;
                         }
 
@@ -1834,20 +1834,20 @@ namespace Game.Entities
             for (byte slot = InventorySlots.ItemStart; slot < inventoryEnd; ++slot)
             {
                 Item item = GetItemByPos(InventorySlots.Bag0, slot);
-                if (item)
+                if (item != null)
                     ApplyItemObtainSpells(item, true);
             }
 
             for (byte i = InventorySlots.BagStart; i < InventorySlots.BagEnd; ++i)
             {
                 Bag bag = GetBagByPos(i);
-                if (!bag)
+                if (bag == null)
                     continue;
 
                 for (byte slot = 0; slot < bag.GetBagSize(); ++slot)
                 {
                     Item item = bag.GetItemByPos(slot);
-                    if (item)
+                    if (item != null)
                         ApplyItemObtainSpells(item, true);
                 }
             }
@@ -3234,7 +3234,7 @@ namespace Game.Entities
         {
             for (byte i = 0; i < InventorySlots.BagEnd; ++i)
             {
-                if (m_items[i] && !m_items[i].IsBroken() && CanUseAttackType(GetAttackBySlot(i, m_items[i].GetTemplate().GetInventoryType())))
+                if (m_items[i] != null && !m_items[i].IsBroken() && CanUseAttackType(GetAttackBySlot(i, m_items[i].GetTemplate().GetInventoryType())))
                 {
                     ApplyItemEquipSpell(m_items[i], false, true);     // remove spells that not fit to form
                     ApplyItemEquipSpell(m_items[i], true, true);      // add spells that fit form but not active
@@ -3283,7 +3283,7 @@ namespace Game.Entities
             if (removeActivePetCooldowns)
             {
                 Pet pet = GetPet();
-                if (pet)
+                if (pet != null)
                     pet.GetSpellHistory().ResetAllCooldowns();
             }
         }

Source/Game/Entities/Player/Player.Talents.cs

@@ -285,7 +285,7 @@ namespace Game.Entities
 
             // TO-DO: We need more research to know what happens with warlock's reagent
             Pet pet = GetPet();
-            if (pet)
+            if (pet != null)
                 RemovePet(pet, PetSaveMode.NotInSlot);
 
             ClearAllReactives();
@@ -428,7 +428,7 @@ namespace Game.Entities
             for (byte i = EquipmentSlot.Start; i < EquipmentSlot.End; ++i)
             {
                 Item equippedItem = GetItemByPos(InventorySlots.Bag0, i);
-                if (equippedItem)
+                if (equippedItem != null)
                     SetVisibleItemSlot(i, equippedItem);
             }
 

Source/Game/Entities/Player/Player.cs

@@ -932,7 +932,7 @@ namespace Game.Entities
                 if (petStable.CurrentPetIndex == (uint)srcPetSlot)
                 {
                     Pet oldPet = GetPet();
-                    if (oldPet && !oldPet.IsAlive())
+                    if (oldPet != null && !oldPet.IsAlive())
                     {
                         sess.SendPetStableResult(StableResult.InternalError);
                         return;
@@ -1109,7 +1109,7 @@ namespace Game.Entities
         public void UnsummonPetTemporaryIfAny()
         {
             Pet pet = GetPet();
-            if (!pet)
+            if (pet == null)
                 return;
 
             if (m_temporaryUnsummonedPetNumber == 0 && pet.IsControlled() && !pet.IsTemporarySummoned())
@@ -1179,7 +1179,7 @@ namespace Game.Entities
         public void StopCastingCharm()
         {
             Unit charm = GetCharmed();
-            if (!charm)
+            if (charm == null)
                 return;
 
             if (charm.IsTypeId(TypeId.Unit))
@@ -1219,7 +1219,7 @@ namespace Game.Entities
         public void CharmSpellInitialize()
         {
             Unit charm = GetFirstControlled();
-            if (!charm)
+            if (charm == null)
                 return;
 
             CharmInfo charmInfo = charm.GetCharmInfo();
@@ -1257,7 +1257,7 @@ namespace Game.Entities
         public void PossessSpellInitialize()
         {
             Unit charm = GetCharmed();
-            if (!charm)
+            if (charm == null)
                 return;
 
             CharmInfo charmInfo = charm.GetCharmInfo();
@@ -1281,7 +1281,7 @@ namespace Game.Entities
         public void VehicleSpellInitialize()
         {
             Creature vehicle = GetVehicleCreatureBase();
-            if (!vehicle)
+            if (vehicle == null)
                 return;
 
             PetSpells petSpells = new();
@@ -1843,7 +1843,7 @@ namespace Game.Entities
         // Calculates how many reputation points player gains in victim's enemy factions
         public void RewardReputation(Unit victim, float rate)
         {
-            if (!victim || victim.IsTypeId(TypeId.Player))
+            if (victim == null || victim.IsTypeId(TypeId.Player))
                 return;
 
             if (victim.ToCreature().IsReputationGainDisabled())
@@ -2021,7 +2021,7 @@ namespace Game.Entities
             // The player was ported to another map and loses the duel immediately.
             // We have to perform this check before the teleport, otherwise the
             // ObjectAccessor won't find the flag.
-            if (duel != null && GetMapId() != mapid && GetMap().GetGameObject(m_playerData.DuelArbiter))
+            if (duel != null && GetMapId() != mapid && GetMap().GetGameObject(m_playerData.DuelArbiter) != null)
                 DuelComplete(DuelCompleteType.Fled);
 
             if (GetMapId() == mapid && (!instanceId.HasValue || GetInstanceId() == instanceId))
@@ -2045,7 +2045,7 @@ namespace Game.Entities
                 if (!options.HasAnyFlag(TeleportToOptions.NotUnSummonPet))
                 {
                     //same map, only remove pet if out of range for new position
-                    if (pet && !pet.IsWithinDist3d(x, y, z, GetMap().GetVisibilityRange()))
+                    if (pet != null && !pet.IsWithinDist3d(x, y, z, GetMap().GetVisibilityRange()))
                         UnsummonPetTemporaryIfAny();
                 }
 
@@ -2090,7 +2090,7 @@ namespace Game.Entities
                 }
 
                 // Seamless teleport can happen only if cosmetic maps match
-                if (!oldmap || (oldmap.GetEntry().CosmeticParentMapID != mapid && GetMapId() != mEntry.CosmeticParentMapID &&
+                if (oldmap == null || (oldmap.GetEntry().CosmeticParentMapID != mapid && GetMapId() != mEntry.CosmeticParentMapID &&
                     !((oldmap.GetEntry().CosmeticParentMapID != -1) ^ (oldmap.GetEntry().CosmeticParentMapID != mEntry.CosmeticParentMapID))))
                     options &= ~TeleportToOptions.Seamless;
 
@@ -2118,7 +2118,7 @@ namespace Game.Entities
 
                 // remove player from Battlegroundon far teleport (when changing maps)
                 Battleground bg = GetBattleground();
-                if (bg)
+                if (bg != null)
                 {
                     // Note: at Battlegroundjoin Battlegroundid set before teleport
                     // and we already will found "current" Battleground
@@ -2132,12 +2132,12 @@ namespace Game.Entities
                 {
                     RemoveArenaSpellCooldowns(true);
                     RemoveArenaAuras();
-                    if (pet)
+                    if (pet != null)
                         pet.RemoveArenaAuras();
                 }
 
                 // remove pet on map change
-                if (pet)
+                if (pet != null)
                     UnsummonPetTemporaryIfAny();
 
                 // remove all dyn objects
@@ -2259,7 +2259,7 @@ namespace Game.Entities
                 }
             });
 
-            if (!m_unitMovedByMe.GetVehicleBase() || !m_unitMovedByMe.GetVehicle().GetVehicleInfo().Flags.HasAnyFlag(VehicleFlags.FixedPosition))
+            if (m_unitMovedByMe.GetVehicleBase() == null || !m_unitMovedByMe.GetVehicle().GetVehicleInfo().Flags.HasAnyFlag(VehicleFlags.FixedPosition))
                 RemoveViolatingFlags(mi.HasMovementFlag(MovementFlag.Root), MovementFlag.Root);
 
             /*! This must be a packet spoofing attempt. MOVEMENTFLAG_ROOT sent from the client is not valid
@@ -2382,7 +2382,7 @@ namespace Game.Entities
 
         public void SendSummonRequestFrom(Unit summoner)
         {
-            if (!summoner)
+            if (summoner == null)
                 return;
 
             // Player already has active summon request
@@ -2475,7 +2475,7 @@ namespace Game.Entities
             // drop flag at summon
             // this code can be reached only when GM is summoning player who carries flag, because player should be immune to summoning spells when he carries flag
             Battleground bg = GetBattleground();
-            if (bg)
+            if (bg != null)
                 bg.EventPlayerDroppedFlag(this);
 
             m_summon_expire = 0;
@@ -2626,7 +2626,7 @@ namespace Game.Entities
                 bool canTalk = true;
                 GameObject go = source.ToGameObject();
                 Creature creature = source.ToCreature();
-                if (creature)
+                if (creature != null)
                 {
                     switch (gossipMenuItem.OptionNpc)
                     {
@@ -2639,13 +2639,13 @@ namespace Game.Entities
                                 canTalk = false;
                             break;
                         case GossipOptionNpc.Battlemaster:
-                            if (!creature.CanInteractWithBattleMaster(this, false))
+                            if (creature.CanInteractWithBattleMaster(this, false))
                                 canTalk = false;
                             break;
                         case GossipOptionNpc.TalentMaster:
                         case GossipOptionNpc.SpecializationMaster:
                         case GossipOptionNpc.GlyphMaster:
-                            if (!creature.CanResetTalents(this))
+                            if (creature.CanResetTalents(this))
                                 canTalk = false;
                             break;
                         case GossipOptionNpc.Stablemaster:
@@ -2705,7 +2705,7 @@ namespace Game.Entities
         }
         public void SendPreparedGossip(WorldObject source)
         {
-            if (!source)
+            if (source == null)
                 return;
 
             if (source.IsTypeId(TypeId.Unit) || source.IsTypeId(TypeId.GameObject))
@@ -3450,7 +3450,7 @@ namespace Game.Entities
 
         public bool IsAllowedToLoot(Creature creature)
         {
-            if (!creature.IsDead())
+            if (creature.IsDead())
                 return false;
 
             if (HasPendingBind())
@@ -4256,7 +4256,7 @@ namespace Game.Entities
             if (InBattleground())
             {
                 Battleground bg = GetBattleground();
-                if (bg)
+                if (bg != null)
                     bg.HandlePlayerResurrect(this);
             }
 
@@ -4299,14 +4299,14 @@ namespace Game.Entities
         
         public void SetAreaSpiritHealer(Creature creature)
         {
-            if (!creature)
+            if (creature == null)
             {
                 _areaSpiritHealerGUID = ObjectGuid.Empty;
                 RemoveAurasDueToSpell(BattlegroundConst.SpellWaitingForResurrect);
                 return;
             }
 
-            if (!creature.IsAreaSpiritHealer())
+            if (creature.IsAreaSpiritHealer())
                 return;
 
             _areaSpiritHealerGUID = creature.GetGUID();
@@ -4434,7 +4434,7 @@ namespace Game.Entities
         public void SpawnCorpseBones(bool triggerSave = true)
         {
             _corpseLocation = new WorldLocation();
-            if (GetMap().ConvertCorpseToBones(GetGUID()))
+            if (GetMap().ConvertCorpseToBones(GetGUID()) != null)
                 if (triggerSave && !GetSession().PlayerLogoutWithSave())   // at logout we will already store the player
                     SaveToDB();                                             // prevent loading as ghost without corpse
         }
@@ -4460,7 +4460,7 @@ namespace Game.Entities
 
             // Special handle for Battlegroundmaps
             Battleground bg = GetBattleground();
-            if (bg)
+            if (bg != null)
                 closestGrave = bg.GetClosestGraveyard(this);
             else
             {
@@ -4545,10 +4545,10 @@ namespace Game.Entities
         int CalculateCorpseReclaimDelay(bool load = false)
         {
             Corpse corpse = GetCorpse();
-            if (load && !corpse)
+            if (load && corpse == null)
                 return -1;
 
-            bool pvp = corpse ? corpse.GetCorpseType() == CorpseType.ResurrectablePVP : (m_ExtraFlags & PlayerExtraFlags.PVPDeath) != 0;
+            bool pvp = corpse != null ? corpse.GetCorpseType() == CorpseType.ResurrectablePVP : (m_ExtraFlags & PlayerExtraFlags.PVPDeath) != 0;
 
             uint delay;
             if (load)
@@ -4696,10 +4696,10 @@ namespace Game.Entities
 
         public void RemovePet(Pet pet, PetSaveMode mode, bool returnreagent = false)
         {
-            if (!pet)
+            if (pet == null)
                 pet = GetPet();
 
-            if (pet)
+            if (pet != null)
             {
                 Log.outDebug(LogFilter.Pet, "RemovePet {0}, {1}, {2}", pet.GetEntry(), mode, returnreagent);
 
@@ -4707,10 +4707,10 @@ namespace Game.Entities
                     return;
             }
 
-            if (returnreagent && (pet || m_temporaryUnsummonedPetNumber != 0) && !InBattleground())
+            if (returnreagent && (pet != null || m_temporaryUnsummonedPetNumber != 0) && !InBattleground())
             {
                 //returning of reagents only for players, so best done here
-                uint spellId = pet ? pet.m_unitData.CreatedBySpell : m_oldpetspell;
+                uint spellId = pet != null ? pet.m_unitData.CreatedBySpell : m_oldpetspell;
                 SpellInfo spellInfo = SpellMgr.GetSpellInfo(spellId, GetMap().GetDifficultyID());
 
                 if (spellInfo != null)
@@ -4781,7 +4781,7 @@ namespace Game.Entities
             {
                 SendPacket(new PetSpells());
 
-                if (GetGroup())
+                if (GetGroup() != null)
                     SetGroupUpdateFlag(GroupUpdateFlags.Pet);
             }
         }
@@ -4814,7 +4814,7 @@ namespace Game.Entities
         public bool InArena()
         {
             Battleground bg = GetBattleground();
-            if (!bg || !bg.IsArena())
+            if (bg == null || !bg.IsArena())
                 return false;
 
             return true;
@@ -5341,7 +5341,7 @@ namespace Game.Entities
 
             // update level to hunter/summon pet
             Pet pet = GetPet();
-            if (pet)
+            if (pet != null)
                 pet.SynchronizeLevelWithOwner();
 
             MailLevelReward mailReward = ObjectMgr.GetMailLevelReward(level, GetRace());
@@ -5448,7 +5448,7 @@ namespace Game.Entities
                 return null;
 
             // alive or spirit healer
-            if (!creature.IsAlive() && !creature.GetCreatureDifficulty().TypeFlags.HasFlag(CreatureTypeFlags.InteractWhileDead))
+            if (creature.IsAlive() && !creature.GetCreatureDifficulty().TypeFlags.HasFlag(CreatureTypeFlags.InteractWhileDead))
                 return null;
 
             // appropriate npc type
@@ -5467,7 +5467,7 @@ namespace Game.Entities
                 return null;
 
             // not allow interaction under control, but allow with own pets
-            if (!creature.GetCharmerGUID().IsEmpty())
+            if (creature.GetCharmerGUID().IsEmpty())
                 return null;
 
             // not unfriendly/hostile
@@ -5475,7 +5475,7 @@ namespace Game.Entities
                 return null;
 
             // not too far, taken from CGGameUI::SetInteractTarget
-            if (!creature.IsWithinDistInMap(this, creature.GetCombatReach() + 4.0f))
+            if (creature.IsWithinDistInMap(this, creature.GetCombatReach() + 4.0f))
                 return null;
 
             return creature;
@@ -5510,7 +5510,7 @@ namespace Game.Entities
         public GameObject GetGameObjectIfCanInteractWith(ObjectGuid guid, GameObjectTypes type)
         {
             GameObject go = GetGameObjectIfCanInteractWith(guid);
-            if (!go)
+            if (go == null)
                 return null;
 
             if (go.GetGoType() != type)
@@ -5980,7 +5980,7 @@ namespace Game.Entities
 
             // update level to hunter/summon pet
             Pet pet = GetPet();
-            if (pet)
+            if (pet != null)
                 pet.SynchronizeLevelWithOwner();
         }
         public void InitDataForForm(bool reapplyMods = false)
@@ -6246,10 +6246,10 @@ namespace Game.Entities
                 return false;
 
             // group update
-            if (GetGroup())
+            if (GetGroup() != null)
                 SetGroupUpdateFlag(GroupUpdateFlags.Position);
 
-            if (GetTrader() && !IsWithinDistInMap(GetTrader(), SharedConst.InteractionDistance))
+            if (GetTrader() != null && !IsWithinDistInMap(GetTrader(), SharedConst.InteractionDistance))
                 GetSession().SendCancelTrade();
 
             CheckAreaExploreAndOutdoor();
@@ -6441,7 +6441,7 @@ namespace Game.Entities
         public void SendBuyError(BuyResult msg, Creature creature, uint item)
         {
             BuyFailed packet = new();
-            packet.VendorGUID = creature ? creature.GetGUID() : ObjectGuid.Empty;
+            packet.VendorGUID = creature != null ? creature.GetGUID() : ObjectGuid.Empty;
             packet.Muid = item;
             packet.Reason = msg;
             SendPacket(packet);
@@ -6449,7 +6449,7 @@ namespace Game.Entities
         public void SendSellError(SellResult msg, Creature creature, ObjectGuid guid)
         {
             SellResponse sellResponse = new();
-            sellResponse.VendorGUID = creature ? creature.GetGUID() : ObjectGuid.Empty;
+            sellResponse.VendorGUID = creature != null ? creature.GetGUID() : ObjectGuid.Empty;
             sellResponse.ItemGUIDs.Add(guid);
             sellResponse.Reason = msg;
             SendPacket(sellResponse);
@@ -6553,7 +6553,7 @@ namespace Game.Entities
 
         public override void Whisper(uint textId, Player target, bool isBossWhisper = false)
         {
-            if (!target)
+            if (target == null)
                 return;
 
             BroadcastTextRecord bct = CliDB.BroadcastTextStorage.LookupByKey(textId);
@@ -6685,9 +6685,9 @@ namespace Game.Entities
                 bonus_xp = victim != null ? _restMgr.GetRestBonusFor(RestTypes.XP, xp) : 0; // XP resting bonus
 
             LogXPGain packet = new();
-            packet.Victim = victim ? victim.GetGUID() : ObjectGuid.Empty;
+            packet.Victim = victim != null ? victim.GetGUID() : ObjectGuid.Empty;
             packet.Original = (int)(xp + bonus_xp);
-            packet.Reason = victim ? PlayerLogXPReason.Kill : PlayerLogXPReason.NoKill;
+            packet.Reason = victim != null ? PlayerLogXPReason.Kill : PlayerLogXPReason.NoKill;
             packet.Amount = (int)xp;
             packet.GroupBonus = group_rate;
             SendPacket(packet);
@@ -7154,12 +7154,12 @@ namespace Game.Entities
             if (GetLevel() <= WorldConfig.GetIntValue(WorldCfg.MaxRecruitAFriendBonusPlayerLevel) || !forXP)
             {
                 Group group = GetGroup();
-                if (group)
+                if (group != null)
                 {
                     for (GroupReference refe = group.GetFirstMember(); refe != null; refe = refe.Next())
                     {
                         Player player = refe.GetSource();
-                        if (!player)
+                        if (player == null)
                             continue;
 
                         if (!player.IsAtRecruitAFriendDistance(this))
@@ -7192,11 +7192,11 @@ namespace Game.Entities
 
         bool IsAtRecruitAFriendDistance(WorldObject pOther)
         {
-            if (!pOther || !IsInMap(pOther))
+            if (pOther == null || !IsInMap(pOther))
                 return false;
 
             WorldObject player = GetCorpse();
-            if (!player || IsAlive())
+            if (player == null || IsAlive())
                 player = this;
 
             return pOther.GetDistance(player) <= WorldConfig.GetFloatValue(WorldCfg.MaxRecruitAFriendDistance);
@@ -7228,7 +7228,7 @@ namespace Game.Entities
             randomRoll.RollerWowAccount = GetSession().GetAccountGUID();
 
             Group group = GetGroup();
-            if (group)
+            if (group != null)
                 group.BroadcastPacket(randomRoll, false);
             else
                 SendPacket(randomRoll);
@@ -7409,7 +7409,7 @@ namespace Game.Entities
         public void SetClientControl(Unit target, bool allowMove)
         {
             // a player can never client control nothing
-            Cypher.Assert(target);
+            Cypher.Assert(target != null);
 
             // don't allow possession to be overridden
             if (target.HasUnitState(UnitState.Charmed) && (GetGUID() != target.GetCharmerGUID()))

Source/Game/Entities/Player/SocialMgr.cs

@@ -22,7 +22,7 @@ namespace Game.Entities
 
         public static void GetFriendInfo(Player player, ObjectGuid friendGUID, FriendInfo friendInfo)
         {
-            if (!player)
+            if (player == null)
                 return;
 
             friendInfo.Status = FriendStatus.Offline;
@@ -31,7 +31,7 @@ namespace Game.Entities
             friendInfo.Class = 0;
 
             Player target = Global.ObjAccessor.FindPlayer(friendGUID);
-            if (!target)
+            if (target == null)
                 return;
 
             var playerFriendInfo = player.GetSocial().PlayerSocialMap.LookupByKey(friendGUID);
@@ -84,7 +84,7 @@ namespace Game.Entities
 
         void BroadcastToFriendListers(Player player, ServerPacket packet)
         {
-            if (!player)
+            if (player == null)
                 return;
 
             AccountTypes gmSecLevel = (AccountTypes)WorldConfig.GetIntValue(WorldCfg.GmLevelInWhoList);
@@ -94,7 +94,7 @@ namespace Game.Entities
                 if (info != null && info.Flags.HasAnyFlag(SocialFlag.Friend))
                 {
                     Player target = Global.ObjAccessor.FindPlayer(pair.Key);
-                    if (!target || !target.IsInWorld)
+                    if (target == null || !target.IsInWorld)
                         continue;
 
                     WorldSession session = target.GetSession();
@@ -244,7 +244,7 @@ namespace Game.Entities
 
         public void SendSocialList(Player player, SocialFlag flags)
         {
-            if (!player)
+            if (player == null)
                 return;
 
             uint friendsCount = 0;

Source/Game/Entities/Player/TradeData.cs

@@ -51,7 +51,7 @@ namespace Game.Entities
 
         public void SetItem(TradeSlots slot, Item item, bool update = false)
         {
-            ObjectGuid itemGuid = item ? item.GetGUID() : ObjectGuid.Empty;
+            ObjectGuid itemGuid = item != null ? item.GetGUID() : ObjectGuid.Empty;
 
             if (m_items[(int)slot] == itemGuid && !update)
                 return;
@@ -77,7 +77,7 @@ namespace Game.Entities
 
         public void SetSpell(uint spell_id, Item castItem = null)
         {
-            ObjectGuid itemGuid = castItem ? castItem.GetGUID() : ObjectGuid.Empty;
+            ObjectGuid itemGuid = castItem != null ? castItem.GetGUID() : ObjectGuid.Empty;
 
             if (m_spell == spell_id && m_spellCastItem == itemGuid)
                 return;

Source/Game/Entities/StatSystem.cs

@@ -510,9 +510,9 @@ namespace Game.Entities
 
             // group update
             Player player = ToPlayer();
-            if (player)
+            if (player != null)
             {
-                if (player.GetGroup())
+                if (player.GetGroup() != null)
                     player.SetGroupUpdateFlag(GroupUpdateFlags.CurHp);
             }
             else if (IsPet())
@@ -536,7 +536,7 @@ namespace Game.Entities
             // group update
             if (IsTypeId(TypeId.Player))
             {
-                if (ToPlayer().GetGroup())
+                if (ToPlayer().GetGroup() != null)
                     ToPlayer().SetGroupUpdateFlag(GroupUpdateFlags.MaxHp);
             }
             else if (IsPet())
@@ -590,7 +590,7 @@ namespace Game.Entities
             Player thisPlayer = ToPlayer();
             if (thisPlayer != null)
             {
-                if (thisPlayer.GetGroup())
+                if (thisPlayer.GetGroup() != null)
                     thisPlayer.SetGroupUpdateFlag(GroupUpdateFlags.PowerType);
             }
             /*else if (IsPet()) TODO 6.x
@@ -634,7 +634,7 @@ namespace Game.Entities
             // group update
             if (IsTypeId(TypeId.Player))
             {
-                if (ToPlayer().GetGroup())
+                if (ToPlayer().GetGroup() != null)
                     ToPlayer().SetGroupUpdateFlag(GroupUpdateFlags.MaxPower);
             }
             /*else if (IsPet()) TODO 6.x
@@ -675,7 +675,7 @@ namespace Game.Entities
             if (IsTypeId(TypeId.Player))
             {
                 Player player = ToPlayer();
-                if (player.GetGroup())
+                if (player.GetGroup() != null)
                     player.SetGroupUpdateFlag(GroupUpdateFlags.CurPower);
             }
             /*else if (IsPet()) TODO 6.x
@@ -788,7 +788,7 @@ namespace Game.Entities
                         target = owner;
             }
 
-            if (!target)
+            if (target == null)
                 return;
 
             damage -= (int)target.GetDamageReduction((uint)damage);
@@ -809,13 +809,13 @@ namespace Game.Entities
         float GetCombatRatingReduction(CombatRating cr)
         {
             Player player = ToPlayer();
-            if (player)
+            if (player != null)
                 return player.GetRatingBonusValue(cr);
             // Player's pet get resilience from owner
-            else if (IsPet() && GetOwner())
+            else if (IsPet() && GetOwner() != null)
             {
                 Player owner = GetOwner().ToPlayer();
-                if (owner)
+                if (owner != null)
                     return owner.GetRatingBonusValue(cr);
             }
 
@@ -954,7 +954,7 @@ namespace Game.Entities
             float chance = 0.0f;
             float levelBonus = 0.0f;
             Player playerVictim = victim.ToPlayer();
-            if (playerVictim)
+            if (playerVictim != null)
                 chance = playerVictim.m_activePlayerData.DodgePercentage;
             else
             {
@@ -991,15 +991,15 @@ namespace Game.Entities
             float chance = 0.0f;
             float levelBonus = 0.0f;
             Player playerVictim = victim.ToPlayer();
-            if (playerVictim)
+            if (playerVictim != null)
             {
                 if (playerVictim.CanParry())
                 {
                     Item tmpitem = playerVictim.GetWeaponForAttack(WeaponAttackType.BaseAttack, true);
-                    if (!tmpitem)
+                    if (tmpitem == null)
                         tmpitem = playerVictim.GetWeaponForAttack(WeaponAttackType.OffAttack, true);
 
-                    if (tmpitem)
+                    if (tmpitem != null)
                         chance = playerVictim.m_activePlayerData.ParryPercentage;
                 }
             }
@@ -1039,12 +1039,12 @@ namespace Game.Entities
             float chance = 0.0f;
             float levelBonus = 0.0f;
             Player playerVictim = victim.ToPlayer();
-            if (playerVictim)
+            if (playerVictim != null)
             {
                 if (playerVictim.CanBlock())
                 {
                     Item tmpitem = playerVictim.GetUseableItemByPos(InventorySlots.Bag0, EquipmentSlot.OffHand);
-                    if (tmpitem && !tmpitem.IsBroken() && tmpitem.GetTemplate().GetInventoryType() == InventoryType.Shield)
+                    if (tmpitem != null && !tmpitem.IsBroken() && tmpitem.GetTemplate().GetInventoryType() == InventoryType.Shield)
                         chance = playerVictim.m_activePlayerData.BlockPercentage;
                 }
             }
@@ -1391,7 +1391,7 @@ namespace Game.Entities
             {
                 UpdateDamagePhysical(WeaponAttackType.BaseAttack);
                 Item offhand = GetWeaponForAttack(WeaponAttackType.OffAttack, true);
-                if (offhand)
+                if (offhand != null)
                     if (CanDualWield() || offhand.GetTemplate().HasFlag(ItemFlags3.AlwaysAllowDualWield))
                         UpdateDamagePhysical(WeaponAttackType.OffAttack);
 
@@ -1432,7 +1432,7 @@ namespace Game.Entities
             SetArmor((int)value, (int)(value - baseValue));
 
             Pet pet = GetPet();
-            if (pet)
+            if (pet != null)
                 pet.UpdateArmor();
 
             UpdateAttackPowerAndDamage();                           // armor dependent auras update for SPELL_AURA_MOD_ATTACK_POWER_OF_ARMOR

Source/Game/Entities/TemporarySummon.cs

@@ -385,7 +385,7 @@ namespace Game.Entities
         bool IsSharingTotemSlotWith(ObjectGuid objectGuid)
         {
             Creature otherSummon = GetMap().GetCreature(objectGuid);
-            if (!otherSummon)
+            if (otherSummon == null)
                 return false;
 
             SpellInfo mySummonSpell = Global.SpellMgr.GetSpellInfo(m_unitData.CreatedBySpell, Difficulty.None);
@@ -456,7 +456,7 @@ namespace Game.Entities
             : base(properties, owner, isWorldObject)
         {
             m_owner = owner;
-            Cypher.Assert(m_owner);
+            Cypher.Assert(m_owner != null);
             UnitTypeMask |= UnitTypeMask.Minion;
             m_followAngle = SharedConst.PetFollowAngle;
             /// @todo: Find correct way
@@ -513,7 +513,7 @@ namespace Game.Entities
 
         public override string GetDebugInfo()
         {
-            return $"{base.GetDebugInfo()}\nOwner: {(GetOwner() ? GetOwner().GetGUID() : "")}";
+            return $"{base.GetDebugInfo()}\nOwner: {(GetOwner() != null ? GetOwner().GetGUID() : "")}";
         }
 
         public override Unit GetOwner() { return m_owner; }
@@ -1033,7 +1033,7 @@ namespace Game.Entities
             else
                 val = 2 * GetStat(Stats.Strength) - 20.0f;
 
-            Player owner = GetOwner() ? GetOwner().ToPlayer() : null;
+            Player owner = GetOwner() != null ? GetOwner().ToPlayer() : null;
             if (owner != null)
             {
                 if (IsHunterPet())                      //hunter pets benefit from owner's attack power

Source/Game/Entities/Totem.cs

@@ -42,7 +42,7 @@ namespace Game.Entities
         {
             // client requires SMSG_TOTEM_CREATED to be sent before adding to world and before removing old totem
             Player owner = GetOwner().ToPlayer();
-            if (owner)
+            if (owner != null)
             {
                 int slot = m_Properties.Slot;
                 if (slot == (int)SummonSlot.Any)
@@ -121,12 +121,12 @@ namespace Game.Entities
                     GetSpellHistory().SendCooldownEvent(spell, 0, null, false);
 
                 Group group = owner.GetGroup();
-                if (group)
+                if (group != null)
                 {
                     for (GroupReference refe = group.GetFirstMember(); refe != null; refe = refe.Next())
                     {
                         Player target = refe.GetSource();
-                        if (target && target.IsInMap(owner) && group.SameSubGroup(owner, target))
+                        if (target != null && target.IsInMap(owner) && group.SameSubGroup(owner, target))
                             target.RemoveAurasDueToSpell(GetSpell(), GetGUID());
                     }
                 }

Source/Game/Entities/Transport.cs

@@ -327,7 +327,7 @@ namespace Game.Entities
                 passenger.m_movementInfo.transport.guid = GetGUID();
 
                 Player player = passenger.ToPlayer();
-                if (player)
+                if (player != null)
                     Global.ScriptMgr.OnAddPassenger(this, player);
             }
         }
@@ -358,7 +358,7 @@ namespace Game.Entities
                 return null;
 
             Creature creature = Creature.CreateCreatureFromDB(guid, map, false, true);
-            if (!creature)
+            if (creature == null)
                 return null;
 
             float x, y, z, o;
@@ -377,7 +377,7 @@ namespace Game.Entities
             //         because the current GameObjectModel cannot be moved without recreating
             creature.AddUnitState(UnitState.IgnorePathfinding);
 
-            if (!creature.IsPositionValid())
+            if (creature.IsPositionValid())
             {
                 Log.outError(LogFilter.Transport, "Creature (guidlow {0}, entry {1}) not created. Suggested coordinates aren't valid (X: {2} Y: {3})", creature.GetGUID().ToString(), creature.GetEntry(), creature.GetPositionX(), creature.GetPositionY());
                 return null;
@@ -401,7 +401,7 @@ namespace Game.Entities
                 return null;
 
             GameObject go = CreateGameObjectFromDB(guid, map, false);
-            if (!go)
+            if (go == null)
                 return null;
 
             float x, y, z, o;
@@ -653,7 +653,7 @@ namespace Game.Entities
                     {
                         // will be relocated in UpdatePosition of the vehicle
                         Unit veh = obj.ToUnit().GetVehicleBase();
-                        if (veh)
+                        if (veh != null)
                             if (veh.GetTransport() == this)
                                 continue;
 

Source/Game/Entities/Unit/CharmInfo.cs

@@ -40,7 +40,7 @@ namespace Game.Entities
             if (_unit.IsTypeId(TypeId.Unit))
             {
                 Creature creature = _unit.ToCreature();
-                if (creature)
+                if (creature != null)
                     creature.SetReactState(_oldReactState);
             }
         }

Source/Game/Entities/Unit/Unit.Combat.cs

@@ -263,7 +263,7 @@ namespace Game.Entities
                 if (creature.IsInEvadeMode())
                     return false;
 
-                if (!creature.CanMelee())
+                if (creature.CanMelee())
                     meleeAttack = false;
             }
 
@@ -372,7 +372,7 @@ namespace Game.Entities
         {
             SendMessageToSet(new SAttackStop(this, victim), true);
 
-            if (victim)
+            if (victim != null) 
                 Log.outInfo(LogFilter.Unit, "{0} {1} stopped attacking {2} {3}", (IsTypeId(TypeId.Player) ? "Player" : "Creature"), GetGUID().ToString(),
                     (victim.IsTypeId(TypeId.Player) ? "player" : "creature"), victim.GetGUID().ToString());
             else
@@ -448,13 +448,13 @@ namespace Game.Entities
             if (mgr.HasPvPCombat())
                 return mgr.GetPvPCombatRefs().First().Value.GetOther(this);
 
-            if (owner && (owner.GetCombatManager().HasPvPCombat()))
+            if (owner != null && (owner.GetCombatManager().HasPvPCombat()))
                 return owner.GetCombatManager().GetPvPCombatRefs().First().Value.GetOther(owner);
 
             if (mgr.HasPvECombat())
                 return mgr.GetPvECombatRefs().First().Value.GetOther(this);
 
-            if (owner && (owner.GetCombatManager().HasPvECombat()))
+            if (owner != null && (owner.GetCombatManager().HasPvECombat()))
                 return owner.GetCombatManager().GetPvECombatRefs().First().Value.GetOther(owner);
 
             return null;
@@ -676,7 +676,7 @@ namespace Game.Entities
 
             Player myPlayerOwner = GetCharmerOrOwnerPlayerOrPlayerItself();
             Player targetPlayerOwner = target.GetCharmerOrOwnerPlayerOrPlayerItself();
-            if (myPlayerOwner && targetPlayerOwner && !(myPlayerOwner.duel != null && myPlayerOwner.duel.Opponent == targetPlayerOwner))
+            if (myPlayerOwner != null && targetPlayerOwner != null && !(myPlayerOwner.duel != null && myPlayerOwner.duel.Opponent == targetPlayerOwner))
             {
                 myPlayerOwner.UpdatePvP(true);
                 myPlayerOwner.SetContestedPvP(targetPlayerOwner);
@@ -720,7 +720,7 @@ namespace Game.Entities
                 isRewardAllowed = isRewardAllowed && !creature.GetTapList().Empty();
 
             List<Player> tappers = new();
-            if (isRewardAllowed && creature)
+            if (isRewardAllowed && creature != null)
             {
                 foreach (ObjectGuid tapperGuid in creature.GetTapList())
                 {
@@ -729,12 +729,12 @@ namespace Game.Entities
                         tappers.Add(tapper);
                 }
 
-                if (!creature.CanHaveLoot())
+                if (creature.CanHaveLoot())
                     isRewardAllowed = false;
             }
 
             // Exploit fix
-            if (creature && creature.IsPet() && creature.GetOwnerGUID().IsPlayer())
+            if (creature != null && creature.IsPet() && creature.GetOwnerGUID().IsPlayer())
                 isRewardAllowed = false;
 
             // Reward player, his pets, and group/raid members
@@ -750,13 +750,13 @@ namespace Game.Entities
                         if (groups.Add(tapperGroup))
                         {
                             PartyKillLog partyKillLog = new();
-                            partyKillLog.Player = player && tapperGroup.IsMember(player.GetGUID()) ? player.GetGUID() : tapper.GetGUID();
+                            partyKillLog.Player = player != null && tapperGroup.IsMember(player.GetGUID()) ? player.GetGUID() : tapper.GetGUID();
                             partyKillLog.Victim = victim.GetGUID();
                             partyKillLog.Write();
 
                             tapperGroup.BroadcastPacket(partyKillLog, tapperGroup.GetMemberGroup(tapper.GetGUID()) != 0);
 
-                            if (creature)
+                            if (creature != null)
                                 tapperGroup.UpdateLooterGuid(creature, true);
                         }
                     }
@@ -770,7 +770,7 @@ namespace Game.Entities
                 }
 
                 // Generate loot before updating looter
-                if (creature)
+                if (creature != null)
                 {
                     DungeonEncounterRecord dungeonEncounter = null;
                     InstanceScript instance = creature.GetInstanceScript();
@@ -788,7 +788,7 @@ namespace Game.Entities
                         else if (!tappers.Empty())
                         {
                             Group group = !groups.Empty() ? groups.First() : null;
-                            Player looter = group ? Global.ObjAccessor.GetPlayer(creature, group.GetLooterGuid()) : tappers[0];
+                            Player looter = group != null ? Global.ObjAccessor.GetPlayer(creature, group.GetLooterGuid()) : tappers[0];
 
                             Loot loot = new(creature.GetMap(), creature.GetGUID(), LootType.Corpse, dungeonEncounter != null ? group : null);
 
@@ -799,7 +799,7 @@ namespace Game.Entities
                             if (creature.GetLootMode() > 0)
                                 loot.GenerateMoneyLoot(creature.GetCreatureDifficulty().GoldMin, creature.GetCreatureDifficulty().GoldMax);
 
-                            if (group)
+                            if (group != null)
                                 loot.NotifyLootList(creature.GetMap());
 
                             creature.m_personalLoot[looter.GetGUID()] = loot;   // trash mob loot is personal, generated with round robin rules
@@ -920,10 +920,10 @@ namespace Game.Entities
             {
                 Log.outDebug(LogFilter.Unit, "DealDamageNotPlayer");
 
-                if (!creature.IsPet())
+                if (creature.IsPet())
                 {
                     // must be after setDeathState which resets dynamic flags
-                    if (!creature.IsFullyLooted())
+                    if (creature.IsFullyLooted())
                         creature.SetDynamicFlag(UnitDynFlags.Lootable);
                     else
                         creature.AllLootRemovedFromCorpse();
@@ -978,10 +978,10 @@ namespace Game.Entities
             if (player != null && player.InBattleground())
             {
                 Battleground bg = player.GetBattleground();
-                if (bg)
+                if (bg != null)
                 {
                     Player playerVictim = victim.ToPlayer();
-                    if (playerVictim)
+                    if (playerVictim != null)
                         bg.HandleKillPlayer(playerVictim, player);
                     else
                         bg.HandleKillUnit(victim.ToCreature(), player);
@@ -1418,7 +1418,7 @@ namespace Game.Entities
                 return GetBaseAttackTime(attType) / 1000.0f;
 
             Item weapon = ToPlayer().GetWeaponForAttack(attType, true);
-            if (!weapon)
+            if (weapon == null)
                 return 2.0f;
 
             if (!normalized)
@@ -1484,7 +1484,7 @@ namespace Game.Entities
 
         public bool IsWithinMeleeRangeAt(Position pos, Unit obj)
         {
-            if (!obj || !IsInMap(obj) || !InSamePhase(obj))
+            if (obj == null || !IsInMap(obj) || !InSamePhase(obj))
                 return false;
 
             float dx = pos.GetPositionX() - obj.GetPositionX();

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

@@ -105,13 +105,13 @@ namespace Game.Entities
                 if (!IsInCombat())
                 {
                     Pet pet = ToPlayer().GetPet();
-                    if (pet)
+                    if (pet != null)
                         pet.SetSpeedRate(mtype, m_speed_rate[(int)mtype]);
                 }
             }
 
             Player playerMover = GetUnitBeingMoved()?.ToPlayer(); // unit controlled by a player.
-            if (playerMover)
+            if (playerMover != null)
             {
                 // Send notification to self
                 MoveSetSpeed selfpacket = new(moveTypeToOpcode[(int)mtype, 1]);
@@ -248,18 +248,18 @@ namespace Game.Entities
         public void KnockbackFrom(Position origin, float speedXY, float speedZ, SpellEffectExtraData spellEffectExtraData = null)
         {
             Player player = ToPlayer();
-            if (!player)
+            if (player == null)
             {
                 Unit charmer = GetCharmer();
-                if (charmer)
+                if (charmer != null)
                 {
                     player = charmer.ToPlayer();
-                    if (player && player.GetUnitBeingMoved() != this)
+                    if (player != null && player.GetUnitBeingMoved() != this)
                         player = null;
                 }
             }
 
-            if (!player)
+            if (player == null)
                 GetMotionMaster().MoveKnockbackFrom(origin, speedXY, speedZ, spellEffectExtraData);
             else
             {
@@ -298,7 +298,7 @@ namespace Game.Entities
                 RemoveUnitMovementFlag(MovementFlag.DisableCollision);
 
             Player playerMover = GetUnitBeingMoved()?.ToPlayer();
-            if (playerMover)
+            if (playerMover != null)
             {
                 MoveSetFlag packet = new(disable ? ServerOpcodes.MoveSplineEnableCollision : ServerOpcodes.MoveEnableCollision);
                 packet.MoverGUID = GetGUID();
@@ -333,7 +333,7 @@ namespace Game.Entities
                 RemoveUnitMovementFlag2(MovementFlag2.CanSwimToFlyTrans);
 
             Player playerMover = GetUnitBeingMoved()?.ToPlayer();
-            if (playerMover)
+            if (playerMover != null)
             {
                 MoveSetFlag packet = new(enable ? ServerOpcodes.MoveEnableTransitionBetweenSwimAndFly : ServerOpcodes.MoveDisableTransitionBetweenSwimAndFly);
                 packet.MoverGUID = GetGUID();
@@ -360,7 +360,7 @@ namespace Game.Entities
                 RemoveUnitMovementFlag2(MovementFlag2.CanTurnWhileFalling);
 
             Player playerMover = GetUnitBeingMoved()?.ToPlayer();
-            if (playerMover)
+            if (playerMover != null)
             {
                 MoveSetFlag packet = new(enable ? ServerOpcodes.MoveSetCanTurnWhileFalling : ServerOpcodes.MoveUnsetCanTurnWhileFalling);
                 packet.MoverGUID = GetGUID();
@@ -386,7 +386,7 @@ namespace Game.Entities
                 RemoveUnitMovementFlag2(MovementFlag2.CanDoubleJump);
 
             Player playerMover = GetUnitBeingMoved()?.ToPlayer();
-            if (playerMover)
+            if (playerMover != null)
             {
                 MoveSetFlag packet = new(enable ? ServerOpcodes.MoveEnableDoubleJump : ServerOpcodes.MoveDisableDoubleJump);
                 packet.MoverGUID = GetGUID();
@@ -543,7 +543,7 @@ namespace Game.Entities
                     if (normalization != 0)
                     {
                         Creature creature1 = ToCreature();
-                        if (creature1)
+                        if (creature1 != null)
                         {
                             ulong immuneMask = creature1.GetCreatureTemplate().MechanicImmuneMask;
                             if (Convert.ToBoolean(immuneMask & (1 << ((int)Mechanics.Snare - 1))) || Convert.ToBoolean(immuneMask & (1 << ((int)Mechanics.Daze - 1))))
@@ -683,7 +683,7 @@ namespace Game.Entities
         
         public bool IsWithinBoundaryRadius(Unit obj)
         {
-            if (!obj || !IsInMap(obj) || !InSamePhase(obj))
+            if (obj == null || !IsInMap(obj) || !InSamePhase(obj))
                 return false;
 
             float objBoundaryRadius = Math.Max(obj.GetBoundingRadius(), SharedConst.MinMeleeReach);
@@ -706,7 +706,7 @@ namespace Game.Entities
 
 
             Player playerMover = GetUnitBeingMoved()?.ToPlayer();
-            if (playerMover)
+            if (playerMover != null)
             {
                 MoveSetFlag packet = new(disable ? ServerOpcodes.MoveDisableGravity : ServerOpcodes.MoveEnableGravity);
                 packet.MoverGUID = GetGUID();
@@ -892,7 +892,7 @@ namespace Game.Entities
                 // Set _lastLiquid before casting liquid spell to avoid infinite loops
                 _lastLiquid = curLiquid;
 
-                if (curLiquid != null && curLiquid.SpellID != 0 && (!player || !player.IsGameMaster()))
+                if (curLiquid != null && curLiquid.SpellID != 0 && (player == null || !player.IsGameMaster()))
                     CastSpell(this, curLiquid.SpellID, true);
             }
 
@@ -967,7 +967,7 @@ namespace Game.Entities
                 ToPlayer().SetFallInformation(0, GetPositionZ());
 
             Player playerMover = GetUnitBeingMoved()?.ToPlayer();
-            if (playerMover)
+            if (playerMover != null)
             {
                 MoveSetFlag packet = new(enable ? ServerOpcodes.MoveSetCanFly : ServerOpcodes.MoveUnsetCanFly);
                 packet.MoverGUID = GetGUID();
@@ -1000,7 +1000,7 @@ namespace Game.Entities
 
 
             Player playerMover = GetUnitBeingMoved()?.ToPlayer();
-            if (playerMover)
+            if (playerMover != null)
             {
                 MoveSetFlag packet = new(enable ? ServerOpcodes.MoveSetWaterWalk : ServerOpcodes.MoveSetLandWalk);
                 packet.MoverGUID = GetGUID();
@@ -1033,7 +1033,7 @@ namespace Game.Entities
 
 
             Player playerMover = GetUnitBeingMoved()?.ToPlayer();
-            if (playerMover)
+            if (playerMover != null)
             {
                 MoveSetFlag packet = new(enable ? ServerOpcodes.MoveSetFeatherFall : ServerOpcodes.MoveSetNormalFall);
                 packet.MoverGUID = GetGUID();
@@ -1081,7 +1081,7 @@ namespace Game.Entities
             }
 
             Player playerMover = GetUnitBeingMoved()?.ToPlayer();
-            if (playerMover)
+            if (playerMover != null)
             {
                 MoveSetFlag packet = new(enable ? ServerOpcodes.MoveSetHovering : ServerOpcodes.MoveUnsetHovering);
                 packet.MoverGUID = GetGUID();
@@ -1114,7 +1114,7 @@ namespace Game.Entities
 
         public bool IsWithinCombatRange(Unit obj, float dist2compare)
         {
-            if (!obj || !IsInMap(obj) || !InSamePhase(obj))
+            if (obj == null || !IsInMap(obj) || !InSamePhase(obj))
                 return false;
 
             float dx = GetPositionX() - obj.GetPositionX();
@@ -1321,7 +1321,7 @@ namespace Game.Entities
             }
 
             Player playerMover = GetUnitBeingMoved()?.ToPlayer();// unit controlled by a player.
-            if (playerMover)
+            if (playerMover != null)
             {
                 MoveSetFlag packet = new(apply ? ServerOpcodes.MoveRoot : ServerOpcodes.MoveUnroot);
                 packet.MoverGUID = GetGUID();
@@ -1369,7 +1369,7 @@ namespace Game.Entities
             // block / allow control to real player in control (eg charmer)
             if (IsPlayer())
             {
-                if (m_playerMovingMe)
+                if (m_playerMovingMe != null)
                     m_playerMovingMe.SetClientControl(this, !apply);
             }
         }
@@ -1394,7 +1394,7 @@ namespace Game.Entities
             // block / allow control to real player in control (eg charmer)
             if (IsPlayer())
             {
-                if (m_playerMovingMe)
+                if (m_playerMovingMe != null)
                     m_playerMovingMe.SetClientControl(this, !apply);
             }
         }
@@ -1509,7 +1509,7 @@ namespace Game.Entities
         void SendSetVehicleRecId(uint vehicleId)
         {
             Player player = ToPlayer();
-            if (player)
+            if (player != null)
             {
                 MoveSetVehicleRecID moveSetVehicleRec = new();
                 moveSetVehicleRec.MoverGUID = GetGUID();
@@ -1673,11 +1673,7 @@ namespace Game.Entities
 
         Player GetPlayerBeingMoved()
         {
-            Unit mover = GetUnitBeingMoved();
-            if (mover)
-                return mover.ToPlayer();
-
-            return null;
+            return GetUnitBeingMoved()?.ToPlayer();
         }
 
         public Player GetPlayerMovingMe() { return m_playerMovingMe; }
@@ -1801,7 +1797,7 @@ namespace Game.Entities
             if (_positionUpdateInfo.Turned)
                 RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.Turning);
 
-            if (_positionUpdateInfo.Relocated && !GetVehicle())
+            if (_positionUpdateInfo.Relocated && GetVehicle() == null)
                 RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.Moving);
         }
 
@@ -1836,7 +1832,7 @@ namespace Game.Entities
 
             // should this really be the unit _being_ moved? not the unit doing the moving?
             Player playerMover = GetUnitBeingMoved()?.ToPlayer();
-            if (playerMover)
+            if (playerMover != null)
             {
                 float x, y, z, o;
                 pos.GetPosition(out x, out y, out z, out o);

Source/Game/Entities/Unit/Unit.Pets.cs

@@ -114,7 +114,7 @@ namespace Game.Entities
                 if (minion.IsGuardianPet())
                 {
                     Guardian oldPet = GetGuardianPet();
-                    if (oldPet)
+                    if (oldPet != null)
                     {
                         if (oldPet != minion && (oldPet.IsPet() || minion.IsPet() || oldPet.GetEntry() != minion.GetEntry()))
                         {
@@ -257,7 +257,7 @@ namespace Game.Entities
 
         public bool SetCharmedBy(Unit charmer, CharmType type, AuraApplication aurApp = null)
         {
-            if (!charmer)
+            if (charmer == null)
                 return false;
 
             // dismount players when charmed
@@ -268,7 +268,7 @@ namespace Game.Entities
                 charmer.RemoveAurasByType(AuraType.Mounted);
 
             Cypher.Assert(type != CharmType.Possess || charmer.IsTypeId(TypeId.Player));
-            Cypher.Assert((type == CharmType.Vehicle) == (GetVehicleKit() && GetVehicleKit().IsControllableVehicle()));
+            Cypher.Assert((type == CharmType.Vehicle) == (GetVehicleKit() != null && GetVehicleKit().IsControllableVehicle()));
 
             Log.outDebug(LogFilter.Unit, "SetCharmedBy: charmer {0} (GUID {1}), charmed {2} (GUID {3}), type {4}.", charmer.GetEntry(), charmer.GetGUID().ToString(), GetEntry(), GetGUID().ToString(), type);
 
@@ -297,7 +297,7 @@ namespace Game.Entities
             Player playerCharmer = charmer.ToPlayer();
 
             // Charmer stop charming
-            if (playerCharmer)
+            if (playerCharmer != null)
             {
                 playerCharmer.StopCastingCharm();
                 playerCharmer.StopCastingBindSight();
@@ -340,7 +340,7 @@ namespace Game.Entities
             charmer.SetCharm(this, true);
 
             Player player = ToPlayer();
-            if (player)
+            if (player != null)
             {
                 if (player.IsAFK())
                     player.ToggleAFK();
@@ -369,7 +369,7 @@ namespace Game.Entities
                     GetCharmInfo().InitCharmCreateSpells();
             }
 
-            if (playerCharmer)
+            if (playerCharmer != null)
             {
                 switch (type)
                 {
@@ -433,12 +433,12 @@ namespace Game.Entities
             if (!IsCharmed())
                 return;
 
-            if (charmer)
+            if (charmer != null)
                 Cypher.Assert(charmer == GetCharmer());
             else
                 charmer = GetCharmer();
 
-            Cypher.Assert(charmer);
+            Cypher.Assert(charmer != null);
 
             CharmType type;
             if (HasUnitState(UnitState.Possessed))
@@ -473,7 +473,7 @@ namespace Game.Entities
             m_combatManager.RevalidateCombat();
 
             Player playerCharmer = charmer.ToPlayer();
-            if (playerCharmer)
+            if (playerCharmer != null)
             {
                 switch (type)
                 {
@@ -512,7 +512,7 @@ namespace Game.Entities
             if (player != null)
                 player.SetClientControl(this, true);
 
-            if (playerCharmer && this != charmer.GetFirstControlled())
+            if (playerCharmer != null && this != charmer.GetFirstControlled())
                 playerCharmer.SendRemoveControlBar();
 
             // a guardian should always have charminfo
@@ -607,7 +607,7 @@ namespace Game.Entities
                     charm.SetUnitFlag(UnitFlags.PlayerControlled);
                     charm.ToPlayer().UpdatePvPState();
                 }
-                else if (player)
+                else if (player != null)
                 {
                     charm.m_ControlledByPlayer = true;
                     charm.SetUnitFlag(UnitFlags.PlayerControlled);
@@ -637,7 +637,7 @@ namespace Game.Entities
         {
             // Sequence: charmed, pet, other guardians
             Unit unit = GetCharmed();
-            if (!unit)
+            if (unit == null)
             {
                 ObjectGuid guid = GetMinionGUID();
                 if (!guid.IsEmpty())
@@ -685,7 +685,7 @@ namespace Game.Entities
         public void SendPetActionFeedback(PetActionFeedback msg, uint spellId)
         {
             Unit owner = GetOwner();
-            if (!owner || !owner.IsTypeId(TypeId.Player))
+            if (owner == null || !owner.IsTypeId(TypeId.Player))
                 return;
 
             PetActionFeedbackPacket petActionFeedback = new();
@@ -697,7 +697,7 @@ namespace Game.Entities
         public void SendPetTalk(PetTalk pettalk)
         {
             Unit owner = GetOwner();
-            if (!owner || !owner.IsTypeId(TypeId.Player))
+            if (owner == null || !owner.IsTypeId(TypeId.Player))
                 return;
 
             PetActionSound petActionSound = new();
@@ -709,7 +709,7 @@ namespace Game.Entities
         public void SendPetAIReaction(ObjectGuid guid)
         {
             Unit owner = GetOwner();
-            if (!owner || !owner.IsTypeId(TypeId.Player))
+            if (owner == null || !owner.IsTypeId(TypeId.Player))
                 return;
 
             AIReaction packet = new();

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

@@ -24,7 +24,7 @@ namespace Game.Entities
         public int SpellBaseDamageBonusDone(SpellSchoolMask schoolMask)
         {
             Player thisPlayer = ToPlayer();
-            if (thisPlayer)
+            if (thisPlayer != null)
             {
                 float overrideSP = thisPlayer.m_activePlayerData.OverrideSpellPowerByAPPercent;
                 if (overrideSP > 0.0f)
@@ -105,7 +105,7 @@ namespace Game.Entities
             {
                 float ApCoeffMod = spellEffectInfo.BonusCoefficientFromAP;
                 Player modOwner = GetSpellModOwner();
-                if (modOwner)
+                if (modOwner != null)
                 {
                     ApCoeffMod *= 100.0f;
                     modOwner.ApplySpellMod(spellProto, SpellModOp.BonusCoefficient, ref ApCoeffMod);
@@ -129,7 +129,7 @@ namespace Game.Entities
             {
                 float coeff = spellEffectInfo.BonusCoefficient;
                 Player modOwner1 = GetSpellModOwner();
-                if (modOwner1)
+                if (modOwner1 != null)
                 {
                     coeff *= 100.0f;
                     modOwner1.ApplySpellMod(spellProto, SpellModOp.BonusCoefficient, ref coeff);
@@ -152,7 +152,7 @@ namespace Game.Entities
 
         public float SpellDamagePctDone(Unit victim, SpellInfo spellProto, DamageEffectType damagetype, SpellEffectInfo spellEffectInfo)
         {
-            if (spellProto == null || !victim || damagetype == DamageEffectType.Direct)
+            if (spellProto == null || victim == null || damagetype == DamageEffectType.Direct)
                 return 1.0f;
 
             // Some spells don't benefit from done mods
@@ -180,12 +180,12 @@ namespace Game.Entities
 
             // Versatility
             Player modOwner = GetSpellModOwner();
-            if (modOwner)
+            if (modOwner != null)
                 MathFunctions.AddPct(ref DoneTotalMod, modOwner.GetRatingBonusValue(CombatRating.VersatilityDamageDone) + modOwner.GetTotalAuraModifier(AuraType.ModVersatility));
 
             float maxModDamagePercentSchool = 0.0f;
             Player thisPlayer = ToPlayer();
-            if (thisPlayer)
+            if (thisPlayer != null)
             {
                 for (int i = 0; i < (int)SpellSchools.Max; ++i)
                 {
@@ -282,7 +282,7 @@ namespace Game.Entities
             {
                 // Versatility
                 Player modOwner = GetSpellModOwner();
-                if (modOwner)
+                if (modOwner != null)
                 {
                     // only 50% of SPELL_AURA_MOD_VERSATILITY for damage reduction
                     float versaBonus = modOwner.GetTotalAuraModifier(AuraType.ModVersatility) / 2.0f;
@@ -402,7 +402,7 @@ namespace Game.Entities
             if (IsTypeId(TypeId.Unit) && IsTotem())
             {
                 Unit owner = GetOwner();
-                if (owner)
+                if (owner != null)
                     return owner.SpellHealingBonusDone(victim, spellProto, healamount, damagetype, spellEffectInfo, stack, spell, aurEff);
             }
 
@@ -456,7 +456,7 @@ namespace Game.Entities
             {
                 float coeff = spellEffectInfo.BonusCoefficient;
                 Player modOwner = GetSpellModOwner();
-                if (modOwner)
+                if (modOwner != null)
                 {
                     coeff *= 100.0f;
                     modOwner.ApplySpellMod(spellProto, SpellModOp.BonusCoefficient, ref coeff);
@@ -489,7 +489,7 @@ namespace Game.Entities
 
             // apply spellmod to Done amount
             Player _modOwner = GetSpellModOwner();
-            if (_modOwner)
+            if (_modOwner != null)
                 _modOwner.ApplySpellMod(spellProto, damagetype == DamageEffectType.DOT ? SpellModOp.PeriodicHealingAndDamage : SpellModOp.HealingAndDamage, ref heal);
 
             return (int)Math.Max(heal, 0.0f);
@@ -582,7 +582,7 @@ namespace Game.Entities
                     MathFunctions.AddPct(ref TakenTotalMod, maxval_hot);
             }
 
-            if (caster)
+            if (caster != null)
             {
                 TakenTotalMod *= GetTotalAuraMultiplier(AuraType.ModHealingReceived, aurEff =>
                 {
@@ -605,7 +605,7 @@ namespace Game.Entities
         {
             SpellInfo spellInfo = spell != null ? spell.GetSpellInfo() : aurEff.GetSpellInfo();
             //! Mobs can't crit with spells. (Except player controlled)
-            if (IsCreature() && !GetSpellModOwner())
+            if (IsCreature() && GetSpellModOwner() == null)
                 return 0.0f;
 
             // not critting spell
@@ -663,7 +663,7 @@ namespace Game.Entities
                         crit_chance += GetTotalAuraModifier(AuraType.ModAttackerSpellAndWeaponCritChance);
                     }
 
-                    if (caster)
+                    if (caster != null)
                     {
                         // scripted (increase crit chance ... against ... target by x%
                         var mOverrideClassScript = caster.GetAuraEffectsByType(AuraType.OverrideClassScripts);
@@ -1419,7 +1419,7 @@ namespace Game.Entities
                     var immuneAuraApply = GetAuraEffectsByType(AuraType.ModImmuneAuraApplySchool);
                     foreach (var auraEffect in immuneAuraApply)
                         if (Convert.ToBoolean(auraEffect.GetMiscValue() & (int)spellInfo.GetSchoolMask()) &&  // Check school
-                            ((caster && !IsFriendlyTo(caster)) || !spellInfo.IsPositiveEffect(spellEffectInfo.EffectIndex)))                       // Harmful
+                            ((caster != null && !IsFriendlyTo(caster)) || !spellInfo.IsPositiveEffect(spellEffectInfo.EffectIndex)))                       // Harmful
                             return true;
                 }
             }
@@ -1508,7 +1508,7 @@ namespace Game.Entities
             if (typeMaskActor && actor != null)
                 actor.ProcSkillsAndReactives(false, actionTarget, typeMaskActor, hitMask, attType);
 
-            if (typeMaskActionTarget && actionTarget)
+            if (typeMaskActionTarget && actionTarget != null)
                 actionTarget.ProcSkillsAndReactives(true, actor, typeMaskActionTarget, hitMask, attType);
 
             if (actor != null)
@@ -1522,7 +1522,7 @@ namespace Game.Entities
                 return;
 
             // For melee/ranged based attack need update skills and set some Aura states if victim present
-            if (typeMask.HasFlag(ProcFlags.MeleeBasedTriggerMask) && procTarget)
+            if (typeMask.HasFlag(ProcFlags.MeleeBasedTriggerMask) && procTarget != null)
             {
                 // If exist crit/parry/dodge/block need update aura state (for victim and attacker)
                 if (hitMask.HasAnyFlag(ProcFlagsHit.Critical | ProcFlagsHit.Parry | ProcFlagsHit.Dodge | ProcFlagsHit.Block))
@@ -1618,7 +1618,7 @@ namespace Game.Entities
 
                 // needed for example for Cobra Strikes, pet does the attack, but aura is on owner
                 Player modOwner = GetSpellModOwner();
-                if (modOwner)
+                if (modOwner != null)
                 {
                     if (modOwner != this && spell != null)
                     {
@@ -1636,12 +1636,12 @@ namespace Game.Entities
             // prepare data for target trigger
             ProcEventInfo targetProcEventInfo = new(this, actionTarget, this, typeMaskActionTarget, spellTypeMask, spellPhaseMask, hitMask, spell, damageInfo, healInfo);
             List<Tuple<uint, AuraApplication>> targetAurasTriggeringProc = new();
-            if (typeMaskActionTarget && actionTarget)
+            if (typeMaskActionTarget && actionTarget != null)
                 actionTarget.GetProcAurasTriggeredOnEvent(targetAurasTriggeringProc, targetProcAuras, targetProcEventInfo);
 
             TriggerAurasProcOnEvent(myProcEventInfo, myAurasTriggeringProc);
 
-            if (typeMaskActionTarget && actionTarget)
+            if (typeMaskActionTarget != null && actionTarget != null)
                 actionTarget.TriggerAurasProcOnEvent(targetProcEventInfo, targetAurasTriggeringProc);
         }
 
@@ -1892,13 +1892,13 @@ namespace Game.Entities
             if (healer != null && healer.IsCreature() && healer.IsTotem())
                 unit = healer.GetOwner();
 
-            if (unit)
+            if (unit != null)
             {
                 Player bgPlayer = unit.ToPlayer();
                 if (bgPlayer != null)
                 {
                     Battleground bg = bgPlayer.GetBattleground();
-                    if (bg)
+                    if (bg != null)
                         bg.UpdatePlayerScore(bgPlayer, ScoreType.HealingDone, (uint)gain);
 
                     // use the actual gain, as the overheal shall not be counted, skip gain 0 (it ignored anyway in to criteria)
@@ -2174,7 +2174,7 @@ namespace Game.Entities
 
             ContentTuningParams contentTuningParams = new();
             Unit caster = Global.ObjAccessor.GetUnit(this, aura.GetCasterGUID());
-            if (caster && contentTuningParams.GenerateDataForUnits(caster, this))
+            if (caster != null && contentTuningParams.GenerateDataForUnits(caster, this))
                 spellLogEffect.ContentTuning = contentTuningParams;
 
             data.Effects.Add(spellLogEffect);
@@ -2205,7 +2205,7 @@ namespace Game.Entities
         {
             SpellInstakillLog spellInstakillLog = new();
             spellInstakillLog.Caster = caster.GetGUID();
-            spellInstakillLog.Target = target ? target.GetGUID() : caster.GetGUID();
+            spellInstakillLog.Target = target != null ? target.GetGUID() : caster.GetGUID();
             spellInstakillLog.SpellID = spellId;
             SendMessageToSet(spellInstakillLog, false);
         }
@@ -2379,7 +2379,7 @@ namespace Game.Entities
                 case DiminishingGroup.AOEKnockback:
                     if (auraSpellInfo.GetDiminishingReturnsGroupType() == DiminishingReturnsType.All ||
                         (auraSpellInfo.GetDiminishingReturnsGroupType() == DiminishingReturnsType.Player &&
-                            (targetOwner ? targetOwner.IsAffectedByDiminishingReturns() : IsAffectedByDiminishingReturns())))
+                            (targetOwner != null ? targetOwner.IsAffectedByDiminishingReturns() : IsAffectedByDiminishingReturns())))
                     {
                         DiminishingLevels diminish = previousLevel;
                         switch (diminish)
@@ -2397,7 +2397,7 @@ namespace Game.Entities
                 default:
                     if (auraSpellInfo.GetDiminishingReturnsGroupType() == DiminishingReturnsType.All ||
                         (auraSpellInfo.GetDiminishingReturnsGroupType() == DiminishingReturnsType.Player &&
-                            (targetOwner ? targetOwner.IsAffectedByDiminishingReturns() : IsAffectedByDiminishingReturns())))
+                            (targetOwner != null ? targetOwner.IsAffectedByDiminishingReturns() : IsAffectedByDiminishingReturns())))
                     {
                         DiminishingLevels diminish = previousLevel;
                         switch (diminish)
@@ -2578,7 +2578,7 @@ namespace Game.Entities
             bool spellClickHandled = false;
 
             uint spellClickEntry = GetVehicleKit() != null ? GetVehicleKit().GetCreatureEntry() : GetEntry();
-            TriggerCastFlags flags = GetVehicleKit() ? TriggerCastFlags.IgnoreCasterMountedOrOnVehicle : TriggerCastFlags.None;
+            TriggerCastFlags flags = GetVehicleKit() != null ? TriggerCastFlags.IgnoreCasterMountedOrOnVehicle : TriggerCastFlags.None;
 
             var clickBounds = Global.ObjectMgr.GetSpellClickInfoMapBounds(spellClickEntry);
             foreach (var clickInfo in clickBounds)
@@ -2659,7 +2659,7 @@ namespace Game.Entities
             }
 
             Creature creature = ToCreature();
-            if (creature && creature.IsAIEnabled())
+            if (creature != null && creature.IsAIEnabled())
                 creature.GetAI().OnSpellClick(clicker, ref spellClickHandled);
         }
 
@@ -3136,7 +3136,7 @@ namespace Game.Entities
                     else
                     {
                         Unit caster = aura.GetCaster();
-                        if (!caster || !caster.InSamePhase(this))
+                        if (caster == null || !caster.InSamePhase(this))
                             RemoveOwnedAura(pair);
                     }
                 }
@@ -4013,7 +4013,7 @@ namespace Game.Entities
 
         public Aura _TryStackingOrRefreshingExistingAura(AuraCreateInfo createInfo)
         {
-            Cypher.Assert(!createInfo.CasterGUID.IsEmpty() || createInfo.Caster);
+            Cypher.Assert(!createInfo.CasterGUID.IsEmpty() || createInfo.Caster != null);
 
             // Check if these can stack anyway
             if (createInfo.CasterGUID.IsEmpty() && !createInfo.GetSpellInfo().IsStackableOnOneSlotWithDifferentCasters())

Source/Game/Entities/Unit/Unit.cs

@@ -226,7 +226,7 @@ namespace Game.Entities
             {
                 if (pair.Value != null && pair.Value.IsExpired())
                     RemoveOwnedAura(pair, AuraRemoveMode.Expire);
-                else if (pair.Value.GetSpellInfo().IsChanneled() && pair.Value.GetCasterGUID() != GetGUID() && !Global.ObjAccessor.GetWorldObject(this, pair.Value.GetCasterGUID()))
+                else if (pair.Value.GetSpellInfo().IsChanneled() && pair.Value.GetCasterGUID() != GetGUID() && Global.ObjAccessor.GetWorldObject(this, pair.Value.GetCasterGUID()) == null)
                     RemoveOwnedAura(pair, AuraRemoveMode.Cancel); // remove channeled auras when caster is not on the same map
             }
 
@@ -380,7 +380,7 @@ namespace Game.Entities
 
         public virtual void Whisper(string text, Language language, Player target, bool isBossWhisper = false)
         {
-            if (!target)
+            if (target == null)
                 return;
 
             Locale locale = target.GetSession().GetSessionDbLocaleIndex();
@@ -420,7 +420,7 @@ namespace Game.Entities
 
         public virtual void Whisper(uint textId, Player target, bool isBossWhisper = false)
         {
-            if (!target)
+            if (target == null)
                 return;
 
             BroadcastTextRecord bct = CliDB.BroadcastTextStorage.LookupByKey(textId);
@@ -558,12 +558,12 @@ namespace Game.Entities
         {
             Unit vehicleRoot = GetVehicleBase();
 
-            if (!vehicleRoot)
+            if (vehicleRoot == null)
                 return null;
 
             for (; ; )
             {
-                if (!vehicleRoot.GetVehicleBase())
+                if (vehicleRoot.GetVehicleBase() == null)
                     return vehicleRoot;
 
                 vehicleRoot = vehicleRoot.GetVehicleBase();
@@ -964,10 +964,10 @@ namespace Game.Entities
             Cell.VisitAllObjects(this, searcher, dist);
 
             // remove current target
-            if (GetVictim())
+            if (GetVictim() != null)
                 targets.Remove(GetVictim());
 
-            if (exclude)
+            if (exclude != null)
                 targets.Remove(exclude);
 
             // remove not LoS targets
@@ -1037,7 +1037,7 @@ namespace Game.Entities
                 }
             }
 
-            Cypher.Assert(!m_vehicle);
+            Cypher.Assert(m_vehicle == null);
             vehicle.AddVehiclePassenger(this, seatId);
         }
 
@@ -1113,7 +1113,7 @@ namespace Game.Entities
             Player player = ToPlayer();
 
             // If the player is on mounted duel and exits the mount, he should immediatly lose the duel
-            if (player && player.duel != null && player.duel.IsMounted)
+            if (player != null && player.duel != null && player.duel.IsMounted)
                 player.DuelComplete(DuelCompleteType.Fled);
 
             SetControlled(false, UnitState.Root);      // SMSG_MOVE_FORCE_UNROOT, ~MOVEMENTFLAG_ROOT
@@ -1728,7 +1728,7 @@ namespace Game.Entities
                             displayPower = cEntry.DisplayPower;
 
                         Vehicle vehicle = GetVehicleKit();
-                        if (vehicle)
+                        if (vehicle != null)
                         {
                             PowerDisplayRecord powerDisplay = CliDB.PowerDisplayStorage.LookupByKey(vehicle.GetVehicleInfo().PowerDisplayID[0]);
                             if (powerDisplay != null)
@@ -1737,7 +1737,7 @@ namespace Game.Entities
                         else
                         {
                             Pet pet = ToPet();
-                            if (pet)
+                            if (pet != null)
                             {
                                 if (pet.GetPetType() == PetType.Hunter) // Hunter pets have focus
                                     displayPower = PowerType.Focus;
@@ -1895,7 +1895,7 @@ namespace Game.Entities
             Player player = ToPlayer();
             if (player != null)
             {
-                if (player.GetGroup())
+                if (player.GetGroup() != null)
                     player.SetGroupUpdateFlag(GroupUpdateFlags.Level);
 
                 Global.CharacterCacheStorage.UpdateCharacterLevel(ToPlayer().GetGUID(), (byte)lvl);
@@ -2252,7 +2252,7 @@ namespace Game.Entities
                 if (owner != null)
                 {
                     Player ownerPlayer = owner.ToPlayer();
-                    if (ownerPlayer)
+                    if (ownerPlayer != null)
                         if (ownerPlayer.IsGroupVisibleFor(seerPlayer))
                             return true;
                 }
@@ -2279,7 +2279,7 @@ namespace Game.Entities
                 if (HasUnitTypeMask(UnitTypeMask.Minion))
                 {
                     Unit owner = GetOwner();
-                    if (owner)
+                    if (owner != null)
                     {
                         SetFaction(owner.GetFaction());
                         return;
@@ -2588,7 +2588,7 @@ namespace Game.Entities
                 // if any script modified damage, we need to also apply the same modification to unscaled damage value
                 if (tmpDamage != damageTaken)
                 {
-                    if (attacker)
+                    if (attacker != null)
                         damageDone = (uint)(tmpDamage * victim.GetHealthMultiplierForTarget(attacker));
                     else
                         damageDone = tmpDamage;
@@ -2686,7 +2686,7 @@ namespace Game.Entities
             bool duel_wasMounted = false;
             if (victim.IsPlayer() && victim.ToPlayer().duel != null && damageTaken >= (health - 1))
             {
-                if (!attacker)
+                if (attacker == null)
                     return 0;
 
                 // prevent kill only if killed in duel and killed by opponent or opponent controlled creature
@@ -2708,7 +2708,7 @@ namespace Game.Entities
                 Player victimRider = victim.GetCharmer().ToPlayer();
                 if (victimRider != null && victimRider.duel != null && victimRider.duel.IsMounted)
                 {
-                    if (!attacker)
+                    if (attacker == null)
                         return 0;
 
                     // prevent kill only if killed in duel and killed by opponent or opponent controlled creature
@@ -2923,7 +2923,7 @@ namespace Game.Entities
                 {
                     Player he = duel_wasMounted ? victim.GetCharmer().ToPlayer() : victim.ToPlayer();
 
-                    Cypher.Assert(he && he.duel != null);
+                    Cypher.Assert(he != null && he.duel != null);
 
                     if (duel_wasMounted) // In this case victim==mount
                         victim.SetHealth(1);
@@ -3046,7 +3046,7 @@ namespace Game.Entities
 
                     uint damage = (uint)dmgShield.GetAmount();
                     Unit caster = dmgShield.GetCaster();
-                    if (caster)
+                    if (caster != null)
                     {
                         damage = (uint)caster.SpellDamageBonusDone(this, spellInfo, (int)damage, DamageEffectType.SpellDirect, dmgShield.GetSpellEffectInfo());
                         damage = (uint)SpellDamageBonusTaken(caster, spellInfo, (int)damage, DamageEffectType.SpellDirect);
@@ -3111,7 +3111,7 @@ namespace Game.Entities
                 packet.Health = (long)GetHealth();
 
                 Player player = GetCharmerOrOwnerPlayerOrPlayerItself();
-                if (player)
+                if (player != null)
                     player.SendPacket(packet);
             }
 
@@ -3328,7 +3328,7 @@ namespace Game.Entities
                 return null;
             Group group = player.GetGroup();
             // When there is no group check pet presence
-            if (!group)
+            if (group == null)
             {
                 // We are pet now, return owner
                 if (player != this)
@@ -3347,7 +3347,7 @@ namespace Game.Entities
             for (GroupReference refe = group.GetFirstMember(); refe != null; refe = refe.Next())
             {
                 Player target = refe.GetSource();
-                if (target)
+                if (target != null)
                 {
                     // IsHostileTo check duel and controlled by enemy
                     if (target != this && IsWithinDistInMap(target, radius) && target.IsAlive() && !IsHostileTo(target))
@@ -3355,7 +3355,7 @@ namespace Game.Entities
 
                     // Push player's pet to vector
                     Unit pet = target.GetGuardianPet();
-                    if (pet)
+                    if (pet != null)
                         if (pet != this && IsWithinDistInMap(pet, radius) && pet.IsAlive() && !IsHostileTo(pet))
                             nearMembers.Add(pet);
                 }
@@ -3484,7 +3484,7 @@ namespace Game.Entities
 
             uint bossLevel = 83;
             float bossResistanceConstant = 510.0f;
-            uint level = caster ? victim.GetLevelForTarget(caster) : victim.GetLevel();
+            uint level = caster != null ? victim.GetLevelForTarget(caster) : victim.GetLevel();
             float resistanceConstant;
 
             if (level == bossLevel)
@@ -3497,7 +3497,7 @@ namespace Game.Entities
 
         public static void CalcAbsorbResist(DamageInfo damageInfo, Spell spell = null)
         {
-            if (!damageInfo.GetVictim() || !damageInfo.GetVictim().IsAlive() || damageInfo.GetDamage() == 0)
+            if (damageInfo.GetVictim() == null || !damageInfo.GetVictim().IsAlive() || damageInfo.GetDamage() == 0)
                 return;
 
             uint resistedDamage = CalcSpellResistedDamage(damageInfo.GetAttacker(), damageInfo.GetVictim(), damageInfo.GetDamage(), damageInfo.GetSchoolMask(), damageInfo.GetSpellInfo());
@@ -3691,7 +3691,7 @@ namespace Game.Entities
 
                     // Damage can be splitted only if aura has an alive caster
                     Unit caster = itr.GetCaster();
-                    if (!caster || (caster == damageInfo.GetVictim()) || !caster.IsInWorld || !caster.IsAlive())
+                    if (caster == null || (caster == damageInfo.GetVictim()) || !caster.IsInWorld || !caster.IsAlive())
                         continue;
 
                     uint splitDamage = MathFunctions.CalculatePct(damageInfo.GetDamage(), itr.GetAmount());
@@ -3789,7 +3789,7 @@ namespace Game.Entities
                 if (currentAbsorb != 0)
                 {
                     SpellHealAbsorbLog absorbLog = new();
-                    absorbLog.Healer = healInfo.GetHealer() ? healInfo.GetHealer().GetGUID() : ObjectGuid.Empty;
+                    absorbLog.Healer = healInfo.GetHealer() != null ? healInfo.GetHealer().GetGUID() : ObjectGuid.Empty;
                     absorbLog.Target = healInfo.GetTarget().GetGUID();
                     absorbLog.AbsorbCaster = absorbAurEff.GetBase().GetCasterGUID();
                     absorbLog.AbsorbedSpellID = (int)(healInfo.GetSpellInfo() != null ? healInfo.GetSpellInfo().Id : 0);
@@ -4070,7 +4070,7 @@ namespace Game.Entities
 
             // Versatility
             Player modOwner = GetSpellModOwner();
-            if (modOwner)
+            if (modOwner != null)
             {
                 // only 50% of SPELL_AURA_MOD_VERSATILITY for damage reduction
                 float versaBonus = modOwner.GetTotalAuraModifier(AuraType.ModVersatility) / 2.0f;

Source/Game/Entities/Vehicle.cs

@@ -275,7 +275,7 @@ namespace Game.Entities
             Log.outDebug(LogFilter.Vehicle, "Vehicle ({0}, Entry {1}): installing accessory (Entry: {2}) on seat: {3}", _me.GetGUID().ToString(), GetCreatureEntry(), entry, seatId);
 
             TempSummon accessory = _me.SummonCreature(entry, _me, (TempSummonType)type, TimeSpan.FromMilliseconds(summonTime));
-            Cypher.Assert(accessory);
+            Cypher.Assert(accessory != null);
 
             if (minion)
                 accessory.AddUnitTypeMask(UnitTypeMask.Accessory);
@@ -600,11 +600,6 @@ namespace Game.Entities
         public Dictionary<sbyte, VehicleSeat> Seats = new();
         public uint UsableSeatNum;    //< Number of seats that match VehicleSeatEntry.UsableByPlayer, used for proper display flags
 
-        public static implicit operator bool(Vehicle vehicle)
-        {
-            return vehicle != null;
-        }
-
         public enum Status
         {
             None,
@@ -677,7 +672,7 @@ namespace Game.Entities
             {
                 // drop flag
                 Battleground bg = player.GetBattleground();
-                if (bg)
+                if (bg != null)
                     bg.EventPlayerDroppedFlag(player);
 
                 player.StopCastingCharm();