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

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;