Core: SOme code cleanup, more to follow.

Source/Game/Networking/Packets/AchievementPackets.cs

@@ -32,7 +32,7 @@ namespace Game.Networking.Packets
             Data.Write(_worldPacket);
         }
 
-        public AllAchievements Data = new AllAchievements();
+        public AllAchievements Data = new();
     }
 
     class AllAccountCriteria : ServerPacket
@@ -46,7 +46,7 @@ namespace Game.Networking.Packets
                 progress.Write(_worldPacket);
         }
 
-        public List<CriteriaProgressPkt> Progress = new List<CriteriaProgressPkt>();
+        public List<CriteriaProgressPkt> Progress = new();
     }
     
     public class RespondInspectAchievements : ServerPacket
@@ -60,7 +60,7 @@ namespace Game.Networking.Packets
         }
 
         public ObjectGuid Player;
-        public AllAchievements Data = new AllAchievements();
+        public AllAchievements Data = new();
     }
 
     public class CriteriaUpdate : ServerPacket
@@ -195,7 +195,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<GuildCriteriaProgress> Progress = new List<GuildCriteriaProgress>();
+        public List<GuildCriteriaProgress> Progress = new();
     }
 
     public class GuildCriteriaDeleted : ServerPacket
@@ -268,7 +268,7 @@ namespace Game.Networking.Packets
                 earned.Write(_worldPacket);
         }
 
-        public List<EarnedAchievement> Earned = new List<EarnedAchievement>();
+        public List<EarnedAchievement> Earned = new();
     }
 
     class GuildGetAchievementMembers : ClientPacket
@@ -302,7 +302,7 @@ namespace Game.Networking.Packets
 
         public ObjectGuid GuildGUID;
         public uint AchievementID;
-        public List<ObjectGuid> Member = new List<ObjectGuid>();
+        public List<ObjectGuid> Member = new();
     }
 
     //Structs
@@ -377,7 +377,7 @@ namespace Game.Networking.Packets
                 progress.Write(data);
         }
 
-        public List<EarnedAchievement> Earned = new List<EarnedAchievement>();
-        public List<CriteriaProgressPkt> Progress = new List<CriteriaProgressPkt>();
+        public List<EarnedAchievement> Earned = new();
+        public List<CriteriaProgressPkt> Progress = new();
     }
 }

Source/Game/Networking/Packets/AdventureJournalPackets.cs

@@ -65,7 +65,7 @@ namespace Game.Networking.Packets
         }
 
         public bool OnLevelUp;
-        public List<AdventureJournalEntry> AdventureJournalDatas = new List<AdventureJournalEntry>();
+        public List<AdventureJournalEntry> AdventureJournalDatas = new();
     }
 
     struct AdventureJournalEntry

Source/Game/Networking/Packets/AreaTriggerPackets.cs

@@ -108,6 +108,6 @@ namespace Game.Networking.Packets
 
         public uint TimeToTarget;
         public uint ElapsedTimeForMovement;
-        public List<Vector3> Points = new List<Vector3>();
+        public List<Vector3> Points = new();
     }
 }

Source/Game/Networking/Packets/ArtifactPackets.cs

@@ -42,7 +42,7 @@ namespace Game.Networking.Packets
 
         public ObjectGuid ArtifactGUID;
         public ObjectGuid ForgeGUID;
-        public Array<ArtifactPowerChoice> PowerChoices = new Array<ArtifactPowerChoice>(1);
+        public Array<ArtifactPowerChoice> PowerChoices = new(1);
 
         public struct ArtifactPowerChoice
         {

Source/Game/Networking/Packets/AuctionHousePackets.cs

@@ -29,12 +29,12 @@ namespace Game.Networking.Packets
         public byte MinLevel = 1;
         public byte MaxLevel = SharedConst.MaxLevel;
         public AuctionHouseFilterMask Filters;
-        public Array<byte> KnownPets = new Array<byte>(SharedConst.MaxBattlePetSpeciesId / 8 + 1);
+        public Array<byte> KnownPets = new(SharedConst.MaxBattlePetSpeciesId / 8 + 1);
         public sbyte MaxPetLevel;
         public Optional<AddOnInfo> TaintedBy;
         public string Name;
-        public Array<AuctionListFilterClass> ItemClassFilters = new Array<AuctionListFilterClass>(7);
-        public Array<AuctionSortDef> Sorts = new Array<AuctionSortDef>(2);
+        public Array<AuctionListFilterClass> ItemClassFilters = new(7);
+        public Array<AuctionSortDef> Sorts = new(2);
 
         public AuctionBrowseQuery(WorldPacket packet) : base(packet) { }
 
@@ -123,8 +123,8 @@ namespace Game.Networking.Packets
     {
         public ObjectGuid Auctioneer;
         public uint Offset;
-        public List<uint> AuctionItemIDs = new List<uint>();
-        public Array<AuctionSortDef> Sorts = new Array<AuctionSortDef>(2);
+        public List<uint> AuctionItemIDs = new();
+        public Array<AuctionSortDef> Sorts = new(2);
         public Optional<AddOnInfo> TaintedBy;
 
         public AuctionListBiddedItems(WorldPacket packet) : base(packet) { }
@@ -153,8 +153,8 @@ namespace Game.Networking.Packets
     {
         public ObjectGuid Auctioneer;
         public Optional<AddOnInfo> TaintedBy;
-        public Array<AuctionBucketKey> BucketKeys = new Array<AuctionBucketKey>(100);
-        public Array<AuctionSortDef> Sorts = new Array<AuctionSortDef>(2);
+        public Array<AuctionBucketKey> BucketKeys = new(100);
+        public Array<AuctionSortDef> Sorts = new(2);
 
         public AuctionListBucketsByBucketKeys(WorldPacket packet) : base(packet) { }
 
@@ -183,7 +183,7 @@ namespace Game.Networking.Packets
         public uint Offset;
         public sbyte Unknown830;
         public Optional<AddOnInfo> TaintedBy;
-        public Array<AuctionSortDef> Sorts = new Array<AuctionSortDef>(2);
+        public Array<AuctionSortDef> Sorts = new(2);
         public AuctionBucketKey BucketKey;
 
         public AuctionListItemsByBucketKey(WorldPacket packet) : base(packet) { }
@@ -213,7 +213,7 @@ namespace Game.Networking.Packets
         public int SuffixItemNameDescriptionID;
         public uint Offset;
         public Optional<AddOnInfo> TaintedBy;
-        public Array<AuctionSortDef> Sorts = new Array<AuctionSortDef>(2);
+        public Array<AuctionSortDef> Sorts = new(2);
 
         public AuctionListItemsByItemID(WorldPacket packet) : base(packet) { }
 
@@ -242,7 +242,7 @@ namespace Game.Networking.Packets
         public ObjectGuid Auctioneer;
         public uint Offset;
         public Optional<AddOnInfo> TaintedBy;
-        public Array<AuctionSortDef> Sorts = new Array<AuctionSortDef>(2);
+        public Array<AuctionSortDef> Sorts = new(2);
 
         public AuctionListOwnedItems(WorldPacket packet) : base(packet) { }
 
@@ -333,7 +333,7 @@ namespace Game.Networking.Packets
         public ulong UnitPrice;
         public uint RunTime;
         public Optional<AddOnInfo> TaintedBy;
-        public Array<AuctionItemForSale> Items = new Array<AuctionItemForSale>(64);
+        public Array<AuctionItemForSale> Items = new(64);
 
         public AuctionSellCommodity(WorldPacket packet) : base(packet) { }
 
@@ -360,7 +360,7 @@ namespace Game.Networking.Packets
         public ulong MinBid;
         public uint RunTime;
         public Optional<AddOnInfo> TaintedBy;
-        public Array<AuctionItemForSale> Items = new Array<AuctionItemForSale>(1);
+        public Array<AuctionItemForSale> Items = new(1);
 
         public AuctionSellItem(WorldPacket packet) : base(packet) { }
 
@@ -506,7 +506,7 @@ namespace Game.Networking.Packets
 
     public class AuctionListBiddedItemsResult : ServerPacket
     {   
-        public List<AuctionItem> Items = new List<AuctionItem>();
+        public List<AuctionItem> Items = new();
         public uint DesiredDelay;
         public bool HasMoreResults;
 
@@ -526,7 +526,7 @@ namespace Game.Networking.Packets
 
     public class AuctionListBucketsResult : ServerPacket
     {  
-        public List<BucketInfo> Buckets = new List<BucketInfo>();
+        public List<BucketInfo> Buckets = new();
         public uint DesiredDelay;
         public int Unknown830_0;
         public int Unknown830_1;
@@ -553,7 +553,7 @@ namespace Game.Networking.Packets
     class AuctionFavoriteList : ServerPacket
     {    
         public uint DesiredDelay;
-        public List<AuctionFavoriteInfo> Items = new List<AuctionFavoriteInfo>();
+        public List<AuctionFavoriteInfo> Items = new();
 
         public AuctionFavoriteList() : base(ServerOpcodes.AuctionFavoriteList) { }
 
@@ -570,13 +570,13 @@ namespace Game.Networking.Packets
 
     public class AuctionListItemsResult : ServerPacket
     {
-        public List<AuctionItem> Items = new List<AuctionItem>();
+        public List<AuctionItem> Items = new();
         public uint Unknown830;
         public uint TotalCount;
         public uint DesiredDelay;
         public AuctionHouseListType ListType;
         public bool HasMoreResults;
-        public AuctionBucketKey BucketKey = new AuctionBucketKey();
+        public AuctionBucketKey BucketKey = new();
 
         public AuctionListItemsResult() : base(ServerOpcodes.AuctionListItemsResult) { }
 
@@ -599,8 +599,8 @@ namespace Game.Networking.Packets
 
     public class AuctionListOwnedItemsResult : ServerPacket
     {   
-        public List<AuctionItem> Items = new List<AuctionItem>();
-        public List<AuctionItem> SoldItems = new List<AuctionItem>();
+        public List<AuctionItem> Items = new();
+        public List<AuctionItem> SoldItems = new();
         public uint DesiredDelay;
         public bool HasMoreResults;
 
@@ -661,7 +661,7 @@ namespace Game.Networking.Packets
         public uint DesiredDelay;
         public uint ChangeNumberTombstone;
         public uint Result;
-        public List<AuctionItem> Items = new List<AuctionItem>();
+        public List<AuctionItem> Items = new();
 
         public AuctionReplicateResponse() : base(ServerOpcodes.AuctionReplicateResponse) { }
 
@@ -696,8 +696,8 @@ namespace Game.Networking.Packets
     {
         public uint ItemID;
         public ushort ItemLevel;
-        public Optional<ushort> BattlePetSpeciesID = new Optional<ushort>();
-        public Optional<ushort> SuffixItemNameDescriptionID = new Optional<ushort>();
+        public Optional<ushort> BattlePetSpeciesID = new();
+        public Optional<ushort> SuffixItemNameDescriptionID = new();
 
         public AuctionBucketKey() { }
 
@@ -764,7 +764,7 @@ namespace Game.Networking.Packets
     public class AuctionListFilterClass
     {
         public int ItemClass;
-        public Array<AuctionListFilterSubClass> SubClassFilters = new Array<AuctionListFilterSubClass>(31);
+        public Array<AuctionListFilterSubClass> SubClassFilters = new(31);
 
         public AuctionListFilterClass(WorldPacket data)
         {
@@ -861,7 +861,7 @@ namespace Game.Networking.Packets
         public int TotalQuantity;
         public ulong MinPrice;
         public int RequiredLevel;
-        public List<uint> ItemModifiedAppearanceIDs = new List<uint>();
+        public List<uint> ItemModifiedAppearanceIDs = new();
         public Optional<byte> MaxBattlePetQuality;
         public Optional<byte> MaxBattlePetLevel;
         public Optional<byte> BattlePetBreedID;
@@ -909,7 +909,7 @@ namespace Game.Networking.Packets
         public Optional<ItemInstance> Item;
         public int Count;
         public int Charges;
-        public List<ItemEnchantData> Enchantments = new List<ItemEnchantData>();
+        public List<ItemEnchantData> Enchantments = new();
         public uint Flags;
         public uint AuctionID;
         public ObjectGuid Owner;
@@ -926,7 +926,7 @@ namespace Game.Networking.Packets
         public uint EndTime;
         public Optional<ObjectGuid> Bidder;
         public Optional<ulong> BidAmount;
-        public List<ItemGemData> Gems = new List<ItemGemData>();
+        public List<ItemGemData> Gems = new();
         public Optional<AuctionBucketKey> AuctionBucketKey;
 
         public void Write(WorldPacket data)

Source/Game/Networking/Packets/AuthenticationPackets.cs

@@ -97,7 +97,7 @@ namespace Game.Networking.Packets
         public uint RegionID;
         public uint BattlegroupID;
         public uint RealmID;
-        public Array<byte> LocalChallenge = new Array<byte>(16);
+        public Array<byte> LocalChallenge = new(16);
         public byte[] Digest = new byte[24];
         public ulong DosResponse;
         public string RealmJoinTicket;
@@ -215,8 +215,8 @@ namespace Game.Networking.Packets
 
             public GameTime GameTimeInfo;
 
-            public List<VirtualRealmInfo> VirtualRealms = new List<VirtualRealmInfo>();     // list of realms connected to this one (inclusive) @todo implement
-            public List<CharacterTemplate> Templates = new List<CharacterTemplate>(); // list of pre-made character templates. @todo implement
+            public List<VirtualRealmInfo> VirtualRealms = new();     // list of realms connected to this one (inclusive) @todo implement
+            public List<CharacterTemplate> Templates = new(); // list of pre-made character templates. @todo implement
 
             public List<RaceClassAvailability> AvailableClasses; // the minimum AccountExpansion required to select the classes
 
@@ -264,7 +264,7 @@ namespace Game.Networking.Packets
 
         public override void Write()
         {
-            ByteBuffer whereBuffer = new ByteBuffer();
+            ByteBuffer whereBuffer = new();
             whereBuffer.WriteUInt8((byte)Payload.Where.Type);
 
             switch (Payload.Where.Type)
@@ -282,7 +282,7 @@ namespace Game.Networking.Packets
                     break;
             }
 
-            Sha256 hash = new Sha256();
+            Sha256 hash = new();
             hash.Process(whereBuffer.GetData(), (int)whereBuffer.GetSize());
             hash.Process((uint)Payload.Where.Type);
             hash.Finish(BitConverter.GetBytes(Payload.Port));
@@ -380,7 +380,7 @@ namespace Game.Networking.Packets
 
         public override void Write()
         {
-            HmacSha256 hash = new HmacSha256(EncryptionKey);
+            HmacSha256 hash = new(EncryptionKey);
             hash.Process(BitConverter.GetBytes(Enabled), 1);
             hash.Finish(EnableEncryptionSeed, 16);
 

Source/Game/Networking/Packets/BattleGroundPackets.cs

@@ -106,7 +106,7 @@ namespace Game.Networking.Packets
             Ticket.Write(_worldPacket);
         }
 
-        public RideTicket Ticket = new RideTicket();
+        public RideTicket Ticket = new();
     }
 
     public class BattlefieldStatusNeedConfirmation : ServerPacket
@@ -123,7 +123,7 @@ namespace Game.Networking.Packets
 
         public uint Timeout;
         public uint Mapid;
-        public BattlefieldStatusHeader Hdr = new BattlefieldStatusHeader();
+        public BattlefieldStatusHeader Hdr = new();
         public byte Role;
     }
 
@@ -142,7 +142,7 @@ namespace Game.Networking.Packets
             _worldPacket.FlushBits();
         }
 
-        public BattlefieldStatusHeader Hdr = new BattlefieldStatusHeader();
+        public BattlefieldStatusHeader Hdr = new();
         public uint ShutdownTimer;
         public byte ArenaFaction;
         public bool LeftEarly;
@@ -166,7 +166,7 @@ namespace Game.Networking.Packets
         }
 
         public uint AverageWaitTime;
-        public BattlefieldStatusHeader Hdr = new BattlefieldStatusHeader();
+        public BattlefieldStatusHeader Hdr = new();
         public bool AsGroup;
         public bool SuspendedQueue;
         public bool EligibleForMatchmaking;
@@ -188,7 +188,7 @@ namespace Game.Networking.Packets
         public ulong QueueID;
         public ObjectGuid ClientID;
         public int Reason;
-        public RideTicket Ticket = new RideTicket();
+        public RideTicket Ticket = new();
     }
 
     class BattlemasterJoin : ClientPacket
@@ -206,7 +206,7 @@ namespace Game.Networking.Packets
                 QueueIDs[i] = _worldPacket.ReadUInt64();
         }
 
-        public Array<ulong> QueueIDs = new Array<ulong>(1);
+        public Array<ulong> QueueIDs = new(1);
         public byte Roles;
         public int[] BlacklistMap = new int[2];
     }
@@ -242,7 +242,7 @@ namespace Game.Networking.Packets
             AcceptedInvite = _worldPacket.HasBit();
         }
 
-        public RideTicket Ticket = new RideTicket();
+        public RideTicket Ticket = new();
         public bool AcceptedInvite;
     }
 
@@ -282,7 +282,7 @@ namespace Game.Networking.Packets
         public int BattlemasterListID;
         public byte MinLevel;
         public byte MaxLevel;
-        public List<int> Battlefields = new List<int>();    // Players cannot join a specific Battleground instance anymore - this is always empty
+        public List<int> Battlefields = new();    // Players cannot join a specific Battleground instance anymore - this is always empty
         public bool PvpAnywhere;
         public bool HasRandomWinToday;
     }
@@ -373,7 +373,7 @@ namespace Game.Networking.Packets
                 pos.Write(_worldPacket);
         }
 
-        public List<BattlegroundPlayerPosition> FlagCarriers = new List<BattlegroundPlayerPosition>();
+        public List<BattlegroundPlayerPosition> FlagCarriers = new();
     }
 
     class BattlegroundPlayerJoined : ServerPacket
@@ -554,7 +554,7 @@ namespace Game.Networking.Packets
 
     public class PVPMatchStatistics
     {
-        public List<PVPMatchPlayerStatistics> Statistics = new List<PVPMatchPlayerStatistics>();
+        public List<PVPMatchPlayerStatistics> Statistics = new();
         public Optional<RatingData> Ratings;
         public sbyte[] PlayerCount = new sbyte[2];
 
@@ -665,7 +665,7 @@ namespace Game.Networking.Packets
             public Optional<int> RatingChange;
             public Optional<uint> PreMatchMMR;
             public Optional<int> MmrChange;
-            public List<PVPMatchPlayerPVPStat> Stats = new List<PVPMatchPlayerPVPStat>();
+            public List<PVPMatchPlayerPVPStat> Stats = new();
             public int PrimaryTalentTree;
             public int Sex;
             public Race PlayerRace;
@@ -709,7 +709,7 @@ namespace Game.Networking.Packets
         }
 
         public RideTicket Ticket;
-        public List<ulong> QueueID = new List<ulong>();
+        public List<ulong> QueueID = new();
         public byte RangeMin;
         public byte RangeMax;
         public byte TeamSize;

Source/Game/Networking/Packets/BattlePetPackets.cs

@@ -45,8 +45,8 @@ namespace Game.Networking.Packets
 
         public ushort Trap;
         bool HasJournalLock = true;
-        public List<BattlePetSlot> Slots = new List<BattlePetSlot>();
-        public List<BattlePetStruct> Pets = new List<BattlePetStruct>();
+        public List<BattlePetSlot> Slots = new();
+        public List<BattlePetStruct> Pets = new();
         int MaxPets = 1000;
     }
 
@@ -78,7 +78,7 @@ namespace Game.Networking.Packets
                 pet.Write(_worldPacket);
         }
 
-        public List<BattlePetStruct> Pets = new List<BattlePetStruct>();
+        public List<BattlePetStruct> Pets = new();
         public bool PetAdded;
     }
 
@@ -97,7 +97,7 @@ namespace Game.Networking.Packets
                 slot.Write(_worldPacket);
         }
 
-        public List<BattlePetSlot> Slots = new List<BattlePetSlot>();
+        public List<BattlePetSlot> Slots = new();
         public bool AutoSlotted;
         public bool NewSlot;
     }

Source/Game/Networking/Packets/BattlenetPackets.cs

@@ -33,7 +33,7 @@ namespace Game.Networking.Packets
         }
 
         public MethodCall Method;
-        public ByteBuffer Data = new ByteBuffer();
+        public ByteBuffer Data = new();
     }
 
     class Response : ServerPacket
@@ -50,7 +50,7 @@ namespace Game.Networking.Packets
 
         public BattlenetRpcErrorCode BnetStatus = BattlenetRpcErrorCode.Ok;
         public MethodCall Method;
-        public ByteBuffer Data = new ByteBuffer();
+        public ByteBuffer Data = new();
     }
 
     class ConnectionStatus : ServerPacket
@@ -113,7 +113,7 @@ namespace Game.Networking.Packets
         }
 
         public uint Token;
-        public Array<byte> Secret = new Array<byte>(32);
+        public Array<byte> Secret = new(32);
     }
 
     public struct MethodCall

Source/Game/Networking/Packets/BlackMarketPackets.cs

@@ -76,7 +76,7 @@ namespace Game.Networking.Packets
         }
 
         public int LastUpdateID;
-        public List<BlackMarketItem> Items = new List<BlackMarketItem>();
+        public List<BlackMarketItem> Items = new();
     }
 
     class BlackMarketBidOnItem : ClientPacket
@@ -93,7 +93,7 @@ namespace Game.Networking.Packets
 
         public ObjectGuid Guid;
         public uint MarketID;
-        public ItemInstance Item = new ItemInstance();
+        public ItemInstance Item = new();
         public ulong BidAmount;
     }
 

Source/Game/Networking/Packets/CalendarPackets.cs

@@ -71,7 +71,7 @@ namespace Game.Networking.Packets
         }
 
         public uint MaxSize = 100;
-        public CalendarAddEventInfo EventInfo = new CalendarAddEventInfo();
+        public CalendarAddEventInfo EventInfo = new();
     }
 
     class CalendarUpdateEvent : ClientPacket
@@ -174,9 +174,9 @@ namespace Game.Networking.Packets
         }
 
         public long ServerTime;
-        public List<CalendarSendCalendarInviteInfo> Invites = new List<CalendarSendCalendarInviteInfo>();
-        public List<CalendarSendCalendarRaidLockoutInfo> RaidLockouts = new List<CalendarSendCalendarRaidLockoutInfo>();
-        public List<CalendarSendCalendarEventInfo> Events = new List<CalendarSendCalendarEventInfo>();
+        public List<CalendarSendCalendarInviteInfo> Invites = new();
+        public List<CalendarSendCalendarRaidLockoutInfo> RaidLockouts = new();
+        public List<CalendarSendCalendarEventInfo> Events = new();
     }
 
     class CalendarSendEvent : ServerPacket
@@ -218,7 +218,7 @@ namespace Game.Networking.Packets
         public CalendarSendEventType EventType;
         public string Description;
         public string EventName;
-        public List<CalendarEventInviteInfo> Invites = new List<CalendarEventInviteInfo>();
+        public List<CalendarEventInviteInfo> Invites = new();
     }
 
     class CalendarInviteAlert : ServerPacket
@@ -653,7 +653,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<CalendarEventInitialInviteInfo> Invites = new List<CalendarEventInitialInviteInfo>();
+        public List<CalendarEventInitialInviteInfo> Invites = new();
     }
 
     class CalendarInviteStatusAlert : ServerPacket
@@ -777,7 +777,7 @@ namespace Game.Networking.Packets
 
             for (var i = 0; i < InviteCount; ++i)
             {
-                CalendarAddEventInviteInfo invite = new CalendarAddEventInviteInfo();
+                CalendarAddEventInviteInfo invite = new();
                 invite.Read(data);
                 Invites[i] = invite;
             }

Source/Game/Networking/Packets/CharacterPackets.cs

@@ -72,11 +72,11 @@ namespace Game.Networking.Packets
         public bool IsAlliedRacesCreationAllowed;
 
         public int MaxCharacterLevel = 1;
-        public Optional<uint> DisabledClassesMask = new Optional<uint>();
+        public Optional<uint> DisabledClassesMask = new();
 
-        public List<CharacterInfo> Characters = new List<CharacterInfo>(); // all characters on the list
-        public List<RaceUnlock> RaceUnlockData = new List<RaceUnlock>(); //
-        public List<UnlockedConditionalAppearance> UnlockedConditionalAppearances = new List<UnlockedConditionalAppearance>();
+        public List<CharacterInfo> Characters = new(); // all characters on the list
+        public List<RaceUnlock> RaceUnlockData = new(); //
+        public List<UnlockedConditionalAppearance> UnlockedConditionalAppearances = new();
 
         public class CharacterInfo
         {
@@ -141,7 +141,7 @@ namespace Game.Networking.Packets
                 ProfessionIds[0] = 0;
                 ProfessionIds[1] = 0;
 
-                StringArguments equipment = new StringArguments(fields.Read<string>(17));
+                StringArguments equipment = new(fields.Read<string>(17));
                 ListPosition = fields.Read<byte>(19);
                 LastPlayedTime = fields.Read<uint>(20);
 
@@ -230,7 +230,7 @@ namespace Game.Networking.Packets
             public byte RaceId;
             public Class ClassId;
             public byte SexId;
-            public Array<ChrCustomizationChoice> Customizations = new Array<ChrCustomizationChoice>(50);
+            public Array<ChrCustomizationChoice> Customizations = new(50);
             public byte ExperienceLevel;
             public uint ZoneId;
             public uint MapId;
@@ -253,8 +253,8 @@ namespace Game.Networking.Packets
             public bool BoostInProgress; // @todo
             public uint[] ProfessionIds = new uint[2];      // @todo
             public VisualItemInfo[] VisualItems = new VisualItemInfo[InventorySlots.BagEnd];
-            public List<string> MailSenders = new List<string>();
-            public List<uint> MailSenderTypes = new List<uint>();
+            public List<string> MailSenders = new();
+            public List<uint> MailSenderTypes = new();
 
             public struct VisualItemInfo
             {
@@ -559,7 +559,7 @@ namespace Game.Networking.Packets
             public string Name;
             public byte SexID;
             public byte RaceID;
-            public Array<ChrCustomizationChoice> Customizations = new Array<ChrCustomizationChoice>(50);
+            public Array<ChrCustomizationChoice> Customizations = new(50);
         }
     }
 
@@ -870,7 +870,7 @@ namespace Game.Networking.Packets
         }
 
         public byte NewSex;
-        public Array<ChrCustomizationChoice> Customizations = new Array<ChrCustomizationChoice>(50);
+        public Array<ChrCustomizationChoice> Customizations = new(50);
     }
 
     public class BarberShopResult : ServerPacket
@@ -1021,7 +1021,7 @@ namespace Game.Networking.Packets
         ObjectGuid CharGUID;
         string CharName = "";
         byte SexID;
-        Array<ChrCustomizationChoice> Customizations = new Array<ChrCustomizationChoice>(50);
+        Array<ChrCustomizationChoice> Customizations = new(50);
     }
 
     class CharCustomizeFailure : ServerPacket
@@ -1083,8 +1083,8 @@ namespace Game.Networking.Packets
         public Race RaceId = Race.None;
         public Class ClassId = Class.None;
         public Gender Sex = Gender.None;
-        public Array<ChrCustomizationChoice> Customizations = new Array<ChrCustomizationChoice>(50);
-        public Optional<uint> TemplateSet = new Optional<uint>();
+        public Array<ChrCustomizationChoice> Customizations = new(50);
+        public Optional<uint> TemplateSet = new();
         public bool IsTrialBoost;
         public bool UseNPE;
         public string Name;
@@ -1104,7 +1104,7 @@ namespace Game.Networking.Packets
         public ObjectGuid CharGUID;
         public Gender SexID = Gender.None;
         public string CharName;
-        public Array<ChrCustomizationChoice> Customizations = new Array<ChrCustomizationChoice>(50);
+        public Array<ChrCustomizationChoice> Customizations = new(50);
     }
 
     public class CharRaceOrFactionChangeInfo
@@ -1114,7 +1114,7 @@ namespace Game.Networking.Packets
         public ObjectGuid Guid;
         public bool FactionChange;
         public string Name;
-        public Array<ChrCustomizationChoice> Customizations = new Array<ChrCustomizationChoice>(50);
+        public Array<ChrCustomizationChoice> Customizations = new(50);
     }
 
     public class CharacterUndeleteInfo

Source/Game/Networking/Packets/ChatPackets.cs

@@ -83,7 +83,7 @@ namespace Game.Networking.Packets
             Params.Read(_worldPacket);
         }
 
-        public ChatAddonMessageParams Params = new ChatAddonMessageParams();
+        public ChatAddonMessageParams Params = new();
     }
 
     class ChatAddonMessageTargeted : ClientPacket
@@ -98,7 +98,7 @@ namespace Game.Networking.Packets
         }
 
         public string Target;
-        public ChatAddonMessageParams Params = new ChatAddonMessageParams();
+        public ChatAddonMessageParams Params = new();
     }
 
     public class ChatMessageDND : ClientPacket

Source/Game/Networking/Packets/ClientConfigPackets.cs

@@ -36,7 +36,7 @@ namespace Game.Networking.Packets
 
         public ObjectGuid PlayerGuid;
         public uint ServerTime = 0;
-        public Array<uint> AccountTimes = new Array<uint>((int)AccountDataTypes.Max);
+        public Array<uint> AccountTimes = new((int)AccountDataTypes.Max);
     }
 
     public class ClientCacheVersion : ServerPacket

Source/Game/Networking/Packets/CombatLogPackets.cs

@@ -101,7 +101,7 @@ namespace Game.Networking.Packets
         public int Absorbed;
         public int Flags;
         // Optional<SpellNonMeleeDamageLogDebugInfo> DebugInfo;
-        public Optional<ContentTuningParams> ContentTuning = new Optional<ContentTuningParams>();
+        public Optional<ContentTuningParams> ContentTuning = new();
     }
 
     class EnvironmentalDamageLog : CombatLogServerPacket
@@ -188,18 +188,18 @@ namespace Game.Networking.Packets
 
         public ObjectGuid Caster;
         public uint SpellID;
-        public List<SpellLogEffect> Effects = new List<SpellLogEffect>();
+        public List<SpellLogEffect> Effects = new();
 
         public class SpellLogEffect
         {
             public int Effect;
 
-            public List<SpellLogEffectPowerDrainParams> PowerDrainTargets = new List<SpellLogEffectPowerDrainParams>();
-            public List<SpellLogEffectExtraAttacksParams> ExtraAttacksTargets = new List<SpellLogEffectExtraAttacksParams>();
-            public List<SpellLogEffectDurabilityDamageParams> DurabilityDamageTargets = new List<SpellLogEffectDurabilityDamageParams>();
-            public List<SpellLogEffectGenericVictimParams> GenericVictimTargets = new List<SpellLogEffectGenericVictimParams>();
-            public List<SpellLogEffectTradeSkillItemParams> TradeSkillTargets = new List<SpellLogEffectTradeSkillItemParams>();
-            public List<SpellLogEffectFeedPetParams> FeedPetTargets = new List<SpellLogEffectFeedPetParams>();
+            public List<SpellLogEffectPowerDrainParams> PowerDrainTargets = new();
+            public List<SpellLogEffectExtraAttacksParams> ExtraAttacksTargets = new();
+            public List<SpellLogEffectDurabilityDamageParams> DurabilityDamageTargets = new();
+            public List<SpellLogEffectGenericVictimParams> GenericVictimTargets = new();
+            public List<SpellLogEffectTradeSkillItemParams> TradeSkillTargets = new();
+            public List<SpellLogEffectFeedPetParams> FeedPetTargets = new();
         }
     }
 
@@ -248,7 +248,7 @@ namespace Game.Networking.Packets
         public bool Crit;
         public Optional<float> CritRollMade;
         public Optional<float> CritRollNeeded;
-        Optional<ContentTuningParams> ContentTuning = new Optional<ContentTuningParams>();
+        Optional<ContentTuningParams> ContentTuning = new();
     }
 
     class SpellPeriodicAuraLog : CombatLogServerPacket
@@ -272,7 +272,7 @@ namespace Game.Networking.Packets
         public ObjectGuid TargetGUID;
         public ObjectGuid CasterGUID;
         public uint SpellID;
-        public List<SpellLogEffect> Effects = new List<SpellLogEffect>();
+        public List<SpellLogEffect> Effects = new();
 
         public struct PeriodicalAuraLogEffectDebugInfo
         {
@@ -316,7 +316,7 @@ namespace Game.Networking.Packets
             public uint Resisted;
             public bool Crit;
             public Optional<PeriodicalAuraLogEffectDebugInfo> DebugInfo;
-            public Optional<ContentTuningParams> ContentTuning = new Optional<ContentTuningParams>();
+            public Optional<ContentTuningParams> ContentTuning = new();
         }
     }
 
@@ -366,7 +366,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<SpellDispellData> DispellData = new List<SpellDispellData>();
+        public List<SpellDispellData> DispellData = new();
         public ObjectGuid CasterGUID;
         public ObjectGuid TargetGUID;
         public uint DispelledBySpellID;
@@ -434,7 +434,7 @@ namespace Game.Networking.Packets
 
         public uint SpellID;
         public ObjectGuid Caster;
-        public List<SpellLogMissEntry> Entries = new List<SpellLogMissEntry>();
+        public List<SpellLogMissEntry> Entries = new();
     }
 
     class ProcResist : ServerPacket
@@ -522,7 +522,7 @@ namespace Game.Networking.Packets
 
         public override void Write()
         {
-            WorldPacket attackRoundInfo = new WorldPacket();
+            WorldPacket attackRoundInfo = new();
             attackRoundInfo.WriteUInt32((uint)hitInfo);
             attackRoundInfo.WritePackedGuid(AttackerGUID);
             attackRoundInfo.WritePackedGuid(VictimGUID);
@@ -605,7 +605,7 @@ namespace Game.Networking.Packets
         public int RageGained;
         public UnkAttackerState UnkState;
         public float Unk;
-        public ContentTuningParams ContentTuning = new ContentTuningParams();
+        public ContentTuningParams ContentTuning = new();
     }
 
     //Structs

Source/Game/Networking/Packets/CombatPackets.cs

@@ -111,7 +111,7 @@ namespace Game.Networking.Packets
         }
 
         public ObjectGuid UnitGUID;
-        public List<ThreatInfo> ThreatList = new List<ThreatInfo>();
+        public List<ThreatInfo> ThreatList = new();
     }
 
     public class HighestThreatUpdate : ServerPacket
@@ -131,7 +131,7 @@ namespace Game.Networking.Packets
         }
 
         public ObjectGuid UnitGUID;
-        public List<ThreatInfo> ThreatList = new List<ThreatInfo>();
+        public List<ThreatInfo> ThreatList = new();
         public ObjectGuid HighestThreatGUID;
     }
 

Source/Game/Networking/Packets/EquipmentPackets.cs

@@ -77,7 +77,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<EquipmentSetInfo.EquipmentSetData> SetData = new List<EquipmentSetInfo.EquipmentSetData>();
+        public List<EquipmentSetInfo.EquipmentSetData> SetData = new();
     }
 
     public class SaveEquipmentSet : ClientPacket

Source/Game/Networking/Packets/GarrisonPackets.cs

@@ -77,8 +77,8 @@ namespace Game.Networking.Packets
         }
 
         public uint FactionIndex;
-        public List<GarrisonInfo> Garrisons = new List<GarrisonInfo>();
-        public List<FollowerSoftCapInfo> FollowerSoftCaps = new List<FollowerSoftCapInfo>();
+        public List<GarrisonInfo> Garrisons = new();
+        public List<FollowerSoftCapInfo> FollowerSoftCaps = new();
     }
 
     class GarrisonRemoteInfo : ServerPacket
@@ -92,7 +92,7 @@ namespace Game.Networking.Packets
                 site.Write(_worldPacket);
         }
 
-        public List<GarrisonRemoteSiteInfo> Sites = new List<GarrisonRemoteSiteInfo>();
+        public List<GarrisonRemoteSiteInfo> Sites = new();
     }
 
     class GarrisonPurchaseBuilding : ClientPacket
@@ -126,7 +126,7 @@ namespace Game.Networking.Packets
 
         public GarrisonType GarrTypeID;
         public GarrisonError Result;
-        public GarrisonBuildingInfo BuildingInfo = new GarrisonBuildingInfo();
+        public GarrisonBuildingInfo BuildingInfo = new();
         public bool PlayActivationCinematic;
     }
 
@@ -242,7 +242,7 @@ namespace Game.Networking.Packets
                 landmark.Write(_worldPacket);
         }
 
-        public List<GarrisonBuildingMapData> Buildings = new List<GarrisonBuildingMapData>();
+        public List<GarrisonBuildingMapData> Buildings = new();
     }
 
     class GarrisonPlotPlaced : ServerPacket
@@ -391,7 +391,7 @@ namespace Game.Networking.Packets
         public uint Durability;
         public uint CurrentBuildingID;
         public uint CurrentMissionID;
-        public List<GarrAbilityRecord> AbilityID = new List<GarrAbilityRecord>();
+        public List<GarrAbilityRecord> AbilityID = new();
         public uint ZoneSupportSpellID;
         public uint FollowerStatus;
         public int Health;
@@ -519,7 +519,7 @@ namespace Game.Networking.Packets
     class GarrisonCollection
     {
         public int Type;
-        public List<GarrisonCollectionEntry> Entries = new List<GarrisonCollectionEntry>();
+        public List<GarrisonCollectionEntry> Entries = new();
 
         public void Write(WorldPacket data)
         {
@@ -545,7 +545,7 @@ namespace Game.Networking.Packets
     class GarrisonEventList
     {
         public int Type;
-        public List<GarrisonEventEntry> Events = new List<GarrisonEventEntry>();
+        public List<GarrisonEventEntry> Events = new();
 
         public void Write(WorldPacket data)
         {
@@ -634,19 +634,19 @@ namespace Game.Networking.Packets
         public uint GarrSiteLevelID;
         public uint NumFollowerActivationsRemaining;
         public uint NumMissionsStartedToday;   // might mean something else, but sending 0 here enables follower abilities "Increase success chance of the first mission of the day by %."
-        public List<GarrisonPlotInfo> Plots = new List<GarrisonPlotInfo>();
-        public List<GarrisonBuildingInfo> Buildings = new List<GarrisonBuildingInfo>();
-        public List<GarrisonFollower> Followers = new List<GarrisonFollower>();
-        public List<GarrisonFollower> AutoTroops = new List<GarrisonFollower>();
-        public List<GarrisonMission> Missions = new List<GarrisonMission>();
-        public List<List<GarrisonMissionReward>> MissionRewards = new List<List<GarrisonMissionReward>>();
-        public List<List<GarrisonMissionReward>> MissionOvermaxRewards = new List<List<GarrisonMissionReward>>();
-        public List<GarrisonMissionBonusAbility> MissionAreaBonuses = new List<GarrisonMissionBonusAbility>();
-        public List<GarrisonTalent> Talents = new List<GarrisonTalent>();
-        public List<GarrisonCollection> Collections = new List<GarrisonCollection>();
-        public List<GarrisonEventList> EventLists = new List<GarrisonEventList>();
-        public List<bool> CanStartMission = new List<bool>();
-        public List<int> ArchivedMissions = new List<int>();
+        public List<GarrisonPlotInfo> Plots = new();
+        public List<GarrisonBuildingInfo> Buildings = new();
+        public List<GarrisonFollower> Followers = new();
+        public List<GarrisonFollower> AutoTroops = new();
+        public List<GarrisonMission> Missions = new();
+        public List<List<GarrisonMissionReward>> MissionRewards = new();
+        public List<List<GarrisonMissionReward>> MissionOvermaxRewards = new();
+        public List<GarrisonMissionBonusAbility> MissionAreaBonuses = new();
+        public List<GarrisonTalent> Talents = new();
+        public List<GarrisonCollection> Collections = new();
+        public List<GarrisonEventList> EventLists = new();
+        public List<bool> CanStartMission = new();
+        public List<int> ArchivedMissions = new();
     }
 
     struct FollowerSoftCapInfo
@@ -690,7 +690,7 @@ namespace Game.Networking.Packets
         }
 
         public uint GarrSiteLevelID;
-        public List<GarrisonRemoteBuildingInfo> Buildings = new List<GarrisonRemoteBuildingInfo>();
+        public List<GarrisonRemoteBuildingInfo> Buildings = new();
     }
 
     struct GarrisonBuildingMapData

Source/Game/Networking/Packets/GuildFinderPackets.cs

@@ -86,7 +86,7 @@ namespace Game.Networking.Packets
                 guildData.Write(_worldPacket);
         }
 
-        public List<LFGuildBrowseData> Post = new List<LFGuildBrowseData>();
+        public List<LFGuildBrowseData> Post = new();
     }
 
     class LFGuildDeclineRecruit : ClientPacket
@@ -120,7 +120,7 @@ namespace Game.Networking.Packets
                 application.Write(_worldPacket);
         }
 
-        public List<LFGuildApplicationData> Application = new List<LFGuildApplicationData>();
+        public List<LFGuildApplicationData> Application = new();
         public int NumRemaining;
     }
 
@@ -170,7 +170,7 @@ namespace Game.Networking.Packets
                 recruit.Write(_worldPacket);
         }
 
-        public List<LFGuildRecruitData> Recruits = new List<LFGuildRecruitData>();
+        public List<LFGuildRecruitData> Recruits = new();
         public long UpdateTime;
     }
 

Source/Game/Networking/Packets/GuildPackets.cs

@@ -77,7 +77,7 @@ namespace Game.Networking.Packets
 
         public ObjectGuid GuildGUID;
         public ObjectGuid PlayerGuid;
-        public GuildInfo Info = new GuildInfo();
+        public GuildInfo Info = new();
         public bool HasGuildInfo;
 
         public class GuildInfo
@@ -91,7 +91,7 @@ namespace Game.Networking.Packets
             public uint BorderStyle;
             public uint BorderColor;
             public uint BackgroundColor;
-            public List<RankInfo> Ranks = new List<RankInfo>();
+            public List<RankInfo> Ranks = new();
             public string GuildName = "";
 
             public struct RankInfo
@@ -1362,7 +1362,7 @@ namespace Game.Networking.Packets
                 AchievementIDs.Add(_worldPacket.ReadUInt32());
         }
 
-        public List<uint> AchievementIDs = new List<uint>();
+        public List<uint> AchievementIDs = new();
     }
 
     class GuildNameChanged : ServerPacket
@@ -1504,7 +1504,7 @@ namespace Game.Networking.Packets
 
         public uint ItemID;
         public uint Unk4;
-        public List<uint> AchievementsRequired = new List<uint>();
+        public List<uint> AchievementsRequired = new();
         public ulong RaceMask;
         public int MinGuildLevel;
         public int MinGuildRep;
@@ -1521,7 +1521,7 @@ namespace Game.Networking.Packets
         public int OnUseEnchantmentID;
         public uint Flags;
         public bool Locked;
-        public List<ItemGemData> SocketEnchant = new List<ItemGemData>();
+        public List<ItemGemData> SocketEnchant = new();
     }
 
     public struct GuildBankTabInfo
@@ -1573,7 +1573,7 @@ namespace Game.Networking.Packets
         public int Flags;
         public int[] Data = new int[2];
         public ObjectGuid MemberGuid;
-        public List<ObjectGuid> MemberList = new List<ObjectGuid>();
+        public List<ObjectGuid> MemberList = new();
         public Optional<ItemInstance> Item;
     }
 }

Source/Game/Networking/Packets/HotfixPackets.cs

@@ -41,7 +41,7 @@ namespace Game.Networking.Packets
         }
 
         public uint TableHash;
-        public List<DBQueryRecord> Queries = new List<DBQueryRecord>();
+        public List<DBQueryRecord> Queries = new();
 
         public struct DBQueryRecord
         {
@@ -73,7 +73,7 @@ namespace Game.Networking.Packets
         public uint RecordID;
         public HotfixRecord.Status Status = HotfixRecord.Status.Invalid;
 
-        public ByteBuffer Data = new ByteBuffer();
+        public ByteBuffer Data = new();
     }
 
     class AvailableHotfixes : ServerPacket
@@ -111,7 +111,7 @@ namespace Game.Networking.Packets
             uint hotfixCount = _worldPacket.ReadUInt32();
             for (var i = 0; i < hotfixCount; ++i)
             {
-                HotfixRecord hotfixRecord = new HotfixRecord();
+                HotfixRecord hotfixRecord = new();
                 hotfixRecord.Read(_worldPacket);
                 Hotfixes.Add(hotfixRecord);
             }
@@ -119,7 +119,7 @@ namespace Game.Networking.Packets
 
         public uint ClientBuild;
         public uint DataBuild;
-        public List<HotfixRecord> Hotfixes = new List<HotfixRecord>();
+        public List<HotfixRecord> Hotfixes = new();
     }
 
     class HotfixConnect : ServerPacket
@@ -136,8 +136,8 @@ namespace Game.Networking.Packets
             _worldPacket.WriteBytes(HotfixContent);
         }
 
-        public List<HotfixData> Hotfixes = new List<HotfixData>();
-        public ByteBuffer HotfixContent = new ByteBuffer();
+        public List<HotfixData> Hotfixes = new();
+        public ByteBuffer HotfixContent = new();
 
         public class HotfixData
         {
@@ -149,7 +149,7 @@ namespace Game.Networking.Packets
                 data.FlushBits();
             }
 
-            public HotfixRecord Record = new HotfixRecord();
+            public HotfixRecord Record = new();
             public uint Size;
         }
     }

Source/Game/Networking/Packets/InspectPackets.cs

@@ -79,11 +79,11 @@ namespace Game.Networking.Packets
         }
 
         public PlayerModelDisplayInfo DisplayInfo;
-        public List<ushort> Glyphs = new List<ushort>();
-        public List<ushort> Talents = new List<ushort>();
-        public Array<ushort> PvpTalents = new Array<ushort>(PlayerConst.MaxPvpTalentSlots, 0);
-        public Optional<InspectGuildData> GuildData = new Optional<InspectGuildData>();
-        public Array<PVPBracketData> Bracket = new Array<PVPBracketData>(6, default);
+        public List<ushort> Glyphs = new();
+        public List<ushort> Talents = new();
+        public Array<ushort> PvpTalents = new(PlayerConst.MaxPvpTalentSlots, 0);
+        public Optional<InspectGuildData> GuildData = new();
+        public Array<PVPBracketData> Bracket = new(6, default);
         public uint? AzeriteLevel;
         public int ItemLevel;
         public uint LifetimeHK;
@@ -149,7 +149,7 @@ namespace Game.Networking.Packets
             {
                 if (gemData.ItemId != 0)
                 {
-                    ItemGemData gem = new ItemGemData();
+                    ItemGemData gem = new();
                     gem.Slot = i;
                     gem.Item = new ItemInstance(gemData);
                     Gems.Add(gem);
@@ -165,7 +165,7 @@ namespace Game.Networking.Packets
                 {
                     for (byte slot = 0; slot < essences.AzeriteEssenceID.GetSize(); ++slot)
                     {
-                        AzeriteEssenceData essence = new AzeriteEssenceData();
+                        AzeriteEssenceData essence = new();
                         essence.Index = slot;
                         essence.AzeriteEssenceID = essences.AzeriteEssenceID[slot];
                         if (essence.AzeriteEssenceID != 0)
@@ -211,22 +211,22 @@ namespace Game.Networking.Packets
         public ItemInstance Item;
         public byte Index;
         public bool Usable;
-        public List<InspectEnchantData> Enchants = new List<InspectEnchantData>();
-        public List<ItemGemData> Gems = new List<ItemGemData>();
-        public List<int> AzeritePowers = new List<int>();
-        public List<AzeriteEssenceData> AzeriteEssences = new List<AzeriteEssenceData>();
+        public List<InspectEnchantData> Enchants = new();
+        public List<ItemGemData> Gems = new();
+        public List<int> AzeritePowers = new();
+        public List<AzeriteEssenceData> AzeriteEssences = new();
     }
 
     public class PlayerModelDisplayInfo
     {
         public ObjectGuid GUID;
-        public List<InspectItemData> Items = new List<InspectItemData>();
+        public List<InspectItemData> Items = new();
         public string Name;
         public uint SpecializationID;
         public byte GenderID;
         public byte Race;
         public byte ClassID;
-        public List<ChrCustomizationChoice> Customizations = new List<ChrCustomizationChoice>();
+        public List<ChrCustomizationChoice> Customizations = new();
 
         public void Initialize(Player player)
         {

Source/Game/Networking/Packets/InstancePackets.cs

@@ -45,7 +45,7 @@ namespace Game.Networking.Packets
                 lockInfos.Write(_worldPacket);
         }
 
-        public List<InstanceLock> LockList = new List<InstanceLock>();
+        public List<InstanceLock> LockList = new();
     }
 
     class ResetInstances : ClientPacket

Source/Game/Networking/Packets/ItemPackets.cs

@@ -124,7 +124,7 @@ namespace Game.Networking.Packets
 
         public uint PurchaseTime;
         public uint Flags;
-        public ItemPurchaseContents Contents = new ItemPurchaseContents();
+        public ItemPurchaseContents Contents = new();
         public ObjectGuid ItemGUID;
     }
 
@@ -731,7 +731,7 @@ namespace Game.Networking.Packets
         }
 
         public ItemContext Context;
-        public List<uint> BonusListIDs = new List<uint>();
+        public List<uint> BonusListIDs = new();
     }
 
     public class ItemMod
@@ -790,7 +790,7 @@ namespace Game.Networking.Packets
 
     public class ItemModList
     {
-        public Array<ItemMod> Values = new Array<ItemMod>((int)ItemModifier.Max);
+        public Array<ItemMod> Values = new((int)ItemModifier.Max);
 
         public void Read(WorldPacket data)
         {
@@ -845,7 +845,7 @@ namespace Game.Networking.Packets
     {
         public uint ItemID;
         public Optional<ItemBonuses> ItemBonus;
-        public ItemModList Modifications = new ItemModList();
+        public ItemModList Modifications = new();
 
         public ItemInstance() { }
 
@@ -900,7 +900,7 @@ namespace Game.Networking.Packets
         {
             ItemID = gem.ItemId;
 
-            ItemBonuses bonus = new ItemBonuses();
+            ItemBonuses bonus = new();
             bonus.Context = (ItemContext)(byte)gem.Context;
             foreach (ushort bonusListId in gem.BonusListIDs)
                 if (bonusListId != 0)
@@ -1011,7 +1011,7 @@ namespace Game.Networking.Packets
         }
 
         public byte Slot;
-        public ItemInstance Item = new ItemInstance();
+        public ItemInstance Item = new();
     }
 
     public struct InvUpdate

Source/Game/Networking/Packets/LFGPackets.cs

@@ -43,7 +43,7 @@ namespace Game.Networking.Packets
         bool Unknown;       // Always false in 7.2.5
         public byte PartyIndex;
         public LfgRoles Roles;
-        public List<uint> Slots = new List<uint>();
+        public List<uint> Slots = new();
     }
 
     class DFLeave : ClientPacket
@@ -55,7 +55,7 @@ namespace Game.Networking.Packets
             Ticket.Read(_worldPacket);
         }
 
-        public RideTicket Ticket = new RideTicket();
+        public RideTicket Ticket = new();
     }
 
     class DFProposalResponse : ClientPacket
@@ -70,7 +70,7 @@ namespace Game.Networking.Packets
             Accepted = _worldPacket.HasBit();
         }
 
-        public RideTicket Ticket = new RideTicket();
+        public RideTicket Ticket = new();
         public ulong InstanceID;
         public uint ProposalID;
         public bool Accepted;
@@ -148,8 +148,8 @@ namespace Game.Networking.Packets
                 dungeonInfo.Write(_worldPacket);
         }
 
-        public LFGBlackList BlackList = new LFGBlackList();
-        public List<LfgPlayerDungeonInfo> Dungeons = new List<LfgPlayerDungeonInfo>();
+        public LFGBlackList BlackList = new();
+        public List<LfgPlayerDungeonInfo> Dungeons = new();
     }
 
     class LfgPartyInfo : ServerPacket
@@ -163,7 +163,7 @@ namespace Game.Networking.Packets
                 blackList.Write(_worldPacket);
         }
 
-        public List<LFGBlackList> Player = new List<LFGBlackList>();
+        public List<LFGBlackList> Player = new();
     }
 
     class LFGUpdateStatus : ServerPacket
@@ -196,12 +196,12 @@ namespace Game.Networking.Packets
             _worldPacket.FlushBits();
         }
 
-        public RideTicket Ticket = new RideTicket();
+        public RideTicket Ticket = new();
         public byte SubType;
         public byte Reason;
-        public List<uint> Slots = new List<uint>();
+        public List<uint> Slots = new();
         public uint RequestedRoles;
-        public List<ObjectGuid> SuspendedPlayers = new List<ObjectGuid>();
+        public List<ObjectGuid> SuspendedPlayers = new();
         public uint QueueMapID;
         public bool NotifyUI;
         public bool IsParty;
@@ -257,10 +257,10 @@ namespace Game.Networking.Packets
 
         public byte PartyIndex;
         public byte RoleCheckStatus;
-        public List<uint> JoinSlots = new List<uint>();
-        public List<ulong> BgQueueIDs = new List<ulong>();
+        public List<uint> JoinSlots = new();
+        public List<ulong> BgQueueIDs = new();
         public int GroupFinderActivityID = 0;
-        public List<LFGRoleCheckUpdateMember> Members = new List<LFGRoleCheckUpdateMember>();
+        public List<LFGRoleCheckUpdateMember> Members = new();
         public bool IsBeginning;
         public bool IsRequeue;
     }
@@ -289,11 +289,11 @@ namespace Game.Networking.Packets
                     _worldPacket.WriteCString(str);
         }
 
-        public RideTicket Ticket = new RideTicket();
+        public RideTicket Ticket = new();
         public byte Result;
         public byte ResultDetail;
-        public List<LFGBlackListPkt> BlackList = new List<LFGBlackListPkt>();
-        public List<string> BlackListNames = new List<string>();
+        public List<LFGBlackListPkt> BlackList = new();
+        public List<string> BlackListNames = new();
     }
 
     class LFGQueueStatus : ServerPacket
@@ -346,7 +346,7 @@ namespace Game.Networking.Packets
         public uint ActualSlot;
         public uint RewardMoney;
         public uint AddedXP;
-        public List<LFGPlayerRewards> Rewards = new List<LFGPlayerRewards>();
+        public List<LFGPlayerRewards> Rewards = new();
     }
 
     class LfgBootPlayer : ServerPacket
@@ -358,7 +358,7 @@ namespace Game.Networking.Packets
             Info.Write(_worldPacket);
         }
 
-        public LfgBootInfo Info = new LfgBootInfo();
+        public LfgBootInfo Info = new();
     }
 
     class LFGProposalUpdate : ServerPacket
@@ -397,7 +397,7 @@ namespace Game.Networking.Packets
         public bool ValidCompletedMask;
         public bool ProposalSilent;
         public bool IsRequeue;
-        public List<LFGProposalUpdatePlayer> Players = new List<LFGProposalUpdatePlayer>();
+        public List<LFGProposalUpdatePlayer> Players = new();
     }
 
     class LfgDisabled : ServerPacket
@@ -469,7 +469,7 @@ namespace Game.Networking.Packets
     public class LFGBlackList
     {     
         public Optional<ObjectGuid> PlayerGuid;
-        public List<LFGBlackListSlot> Slot = new List<LFGBlackListSlot>();
+        public List<LFGBlackListSlot> Slot = new();
 
         public void Write(WorldPacket data)
         {
@@ -561,9 +561,9 @@ namespace Game.Networking.Packets
         public uint Mask;
         public uint RewardMoney;
         public uint RewardXP;
-        public List<LfgPlayerQuestRewardItem> Item = new List<LfgPlayerQuestRewardItem>();
-        public List<LfgPlayerQuestRewardCurrency> Currency = new List<LfgPlayerQuestRewardCurrency>();
-        public List<LfgPlayerQuestRewardCurrency> BonusCurrency = new List<LfgPlayerQuestRewardCurrency>();
+        public List<LfgPlayerQuestRewardItem> Item = new();
+        public List<LfgPlayerQuestRewardCurrency> Currency = new();
+        public List<LfgPlayerQuestRewardCurrency> BonusCurrency = new();
         public Optional<int> RewardSpellID;                              // Only used by SMSG_LFG_PLAYER_INFO
         public Optional<int> Unused1;
         public Optional<ulong> Unused2;
@@ -616,8 +616,8 @@ namespace Game.Networking.Packets
         public uint EncounterMask;
         public bool FirstReward;
         public bool ShortageEligible;
-        public LfgPlayerQuestReward Rewards = new LfgPlayerQuestReward();
-        public List<LfgPlayerQuestReward> ShortageReward = new List<LfgPlayerQuestReward>();
+        public LfgPlayerQuestReward Rewards = new();
+        public List<LfgPlayerQuestReward> ShortageReward = new();
     }
 
     public class LFGRoleCheckUpdateMember
@@ -660,7 +660,7 @@ namespace Game.Networking.Packets
         }
 
         public Optional<ObjectGuid> PlayerGuid;
-        public List<LFGBlackListSlot> Slot = new List<LFGBlackListSlot>();
+        public List<LFGBlackListSlot> Slot = new();
     }
 
     public struct LFGPlayerRewards

Source/Game/Networking/Packets/LootPackets.cs

@@ -73,8 +73,8 @@ namespace Game.Networking.Packets
         public byte AcquireReason;
         public LootError FailureReason = LootError.NoLoot; // Most common value
         public uint Coins;
-        public List<LootItemData> Items = new List<LootItemData>();
-        public List<LootCurrency> Currencies = new List<LootCurrency>();
+        public List<LootItemData> Items = new();
+        public List<LootCurrency> Currencies = new();
         public bool Acquired;
         public bool AELooting;
     }
@@ -99,7 +99,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<LootRequest> Loot = new List<LootRequest>();
+        public List<LootRequest> Loot = new();
     }
 
     class MasterLootItem : ClientPacket
@@ -113,14 +113,14 @@ namespace Game.Networking.Packets
 
             for (int i = 0; i < Count; ++i)
             {
-                LootRequest lootRequest = new LootRequest();
+                LootRequest lootRequest = new();
                 lootRequest.Object = _worldPacket.ReadPackedGuid();
                 lootRequest.LootListID = _worldPacket.ReadUInt8();
                 Loot[i] = lootRequest;
             }
         }
 
-        public Array<LootRequest> Loot = new Array<LootRequest>(1000);
+        public Array<LootRequest> Loot = new(1000);
         public ObjectGuid Target;
     }
     
@@ -282,7 +282,7 @@ namespace Game.Networking.Packets
         public uint RollTime;
         public LootMethod Method;
         public RollMask ValidRolls;
-        public LootItemData Item = new LootItemData();
+        public LootItemData Item = new();
     }
 
     class LootRollBroadcast : ServerPacket
@@ -304,7 +304,7 @@ namespace Game.Networking.Packets
         public ObjectGuid Player;
         public int Roll;             // Roll value can be negative, it means that it is an "offspec" roll but only during roll selection broadcast (not when sending the result)
         public RollType RollType;
-        public LootItemData Item = new LootItemData();
+        public LootItemData Item = new();
         public bool Autopassed;    // Triggers message |HlootHistory:%d|h[Loot]|h: You automatically passed on: %s because you cannot loot that item.
     }
 
@@ -327,7 +327,7 @@ namespace Game.Networking.Packets
         public ObjectGuid Winner;
         public int Roll;
         public RollType RollType;
-        public LootItemData Item = new LootItemData();
+        public LootItemData Item = new();
         public bool MainSpec;
     }
 
@@ -342,7 +342,7 @@ namespace Game.Networking.Packets
         }
 
         public ObjectGuid LootObj;
-        public LootItemData Item = new LootItemData();
+        public LootItemData Item = new();
     }
 
     class LootRollsComplete : ServerPacket
@@ -370,7 +370,7 @@ namespace Game.Networking.Packets
             Players.ForEach(guid => _worldPacket.WritePackedGuid(guid));
         }
 
-        public List<ObjectGuid> Players = new List<ObjectGuid>();
+        public List<ObjectGuid> Players = new();
         public ObjectGuid LootObj;
     }
 

Source/Game/Networking/Packets/MailPackets.cs

@@ -49,7 +49,7 @@ namespace Game.Networking.Packets
         }
 
         public int TotalNumRecords;
-        public List<MailListEntry> Mails = new List<MailListEntry>();
+        public List<MailListEntry> Mails = new();
     }
 
     public class MailCreateTextItem : ClientPacket
@@ -113,7 +113,7 @@ namespace Game.Networking.Packets
             public string Target;
             public string Subject;
             public string Body;
-            public List<MailAttachment> Attachments = new List<MailAttachment>();
+            public List<MailAttachment> Attachments = new();
 
             public struct MailAttachment
             {
@@ -334,7 +334,7 @@ namespace Game.Networking.Packets
             {
                 if (gemData.ItemId != 0)
                 {
-                    ItemGemData gem = new ItemGemData();
+                    ItemGemData gem = new();
                     gem.Slot = i;
                     gem.Item = new ItemInstance(gemData);
                     Gems.Add(gem);
@@ -372,8 +372,8 @@ namespace Game.Networking.Packets
         public uint MaxDurability;
         public uint Durability;
         public bool Unlocked;
-        List<ItemEnchantData> Enchants = new List<ItemEnchantData>();
-        List<ItemGemData> Gems= new List<ItemGemData>();
+        List<ItemEnchantData> Enchants = new();
+        List<ItemGemData> Gems= new();
     }
 
     public class MailListEntry
@@ -455,6 +455,6 @@ namespace Game.Networking.Packets
         public int MailTemplateID;
         public string Subject = "";
         public string Body = "";
-        public List<MailAttachedItem> Attachments = new List<MailAttachedItem>();
+        public List<MailAttachedItem> Attachments = new();
     }
 }

Source/Game/Networking/Packets/MiscPackets.cs

@@ -226,7 +226,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<Record> Data = new List<Record>();
+        public List<Record> Data = new();
 
         public struct Record
         {
@@ -534,7 +534,7 @@ namespace Game.Networking.Packets
         }
 
         public bool IsGossipTriggered;
-        public List<uint> CemeteryID = new List<uint>();
+        public List<uint> CemeteryID = new();
     }
 
     public class ResurrectResponse : ClientPacket
@@ -809,10 +809,10 @@ namespace Game.Networking.Packets
         }
 
         public ObjectGuid Client;
-        public PhaseShiftData Phaseshift = new PhaseShiftData();
-        public List<ushort> PreloadMapIDs = new List<ushort>();
-        public List<ushort> UiMapPhaseIDs = new List<ushort>();
-        public List<ushort> VisibleMapIDs = new List<ushort>();
+        public PhaseShiftData Phaseshift = new();
+        public List<ushort> PreloadMapIDs = new();
+        public List<ushort> UiMapPhaseIDs = new();
+        public List<ushort> VisibleMapIDs = new();
     }
 
     public class ZoneUnderAttack : ServerPacket
@@ -971,7 +971,7 @@ namespace Game.Networking.Packets
             uint count = _worldPacket.ReadUInt32();
             for (byte i = 0; i < count && i < PlayerConst.MaxCUFProfiles; i++)
             {
-                CUFProfile cufProfile = new CUFProfile();
+                CUFProfile cufProfile = new();
 
                 byte strLen = _worldPacket.ReadBits<byte>(7);
 
@@ -1000,7 +1000,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<CUFProfile> CUFProfiles = new List<CUFProfile>();
+        public List<CUFProfile> CUFProfiles = new();
     }
 
     class LoadCUFProfiles : ServerPacket
@@ -1038,7 +1038,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<CUFProfile> CUFProfiles = new List<CUFProfile>();
+        public List<CUFProfile> CUFProfiles = new();
     }
 
     class PlayOneShotAnimKit : ServerPacket
@@ -1154,7 +1154,7 @@ namespace Game.Networking.Packets
         }
 
         public bool IsFullUpdate;
-        public Dictionary<uint, HeirloomData> Heirlooms = new Dictionary<uint, HeirloomData>();
+        public Dictionary<uint, HeirloomData> Heirlooms = new();
         int Unk;
     }
 
@@ -1292,7 +1292,7 @@ namespace Game.Networking.Packets
         }
 
         public bool IsFullUpdate = false;
-        public Dictionary<uint, MountStatusFlags> Mounts = new Dictionary<uint, MountStatusFlags>();
+        public Dictionary<uint, MountStatusFlags> Mounts = new();
     }
 
     class MountSetFavorite : ClientPacket
@@ -1352,7 +1352,7 @@ namespace Game.Networking.Packets
         }
 
         public uint PhaseShiftFlags;
-        public List<PhaseShiftDataPhase> Phases = new List<PhaseShiftDataPhase>();
+        public List<PhaseShiftDataPhase> Phases = new();
         public ObjectGuid PersonalGUID;
     }
 }

Source/Game/Networking/Packets/MovementPackets.cs

@@ -297,7 +297,7 @@ namespace Game.Networking.Packets
                 Vector3 direction = Vector3.Zero;
                 if (movementForce.Magnitude != 0.0f)
                 {
-                    Position tmp = new Position(movementForce.Origin.X - objectPosition.GetPositionX(),
+                    Position tmp = new(movementForce.Origin.X - objectPosition.GetPositionX(),
                         movementForce.Origin.Y - objectPosition.GetPositionY(),
                         movementForce.Origin.Z - objectPosition.GetPositionZ());
                     float lengthSquared = tmp.GetExactDistSq(0.0f, 0.0f, 0.0f);
@@ -591,7 +591,7 @@ namespace Game.Networking.Packets
 
         public uint MapID;
         public uint Reason;
-        public TeleportLocation Loc = new TeleportLocation();
+        public TeleportLocation Loc = new();
         public Position MovementOffset;    // Adjusts all pending movement events by this offset
     }
 
@@ -730,8 +730,8 @@ namespace Game.Networking.Packets
             Force.Read(_worldPacket);
         }
 
-        public MovementAck Ack = new MovementAck();
-        public MovementForce Force = new MovementForce();
+        public MovementAck Ack = new();
+        public MovementForce Force = new();
     }
 
     class MoveRemoveMovementForce : ServerPacket
@@ -760,7 +760,7 @@ namespace Game.Networking.Packets
             ID = _worldPacket.ReadPackedGuid();
         }
 
-        public MovementAck Ack = new MovementAck();
+        public MovementAck Ack = new();
         public ObjectGuid ID;
     }
 
@@ -774,8 +774,8 @@ namespace Game.Networking.Packets
             Force.Write(_worldPacket);
         }
 
-        public MovementInfo Status = new MovementInfo();
-        public MovementForce Force = new MovementForce();
+        public MovementInfo Status = new();
+        public MovementForce Force = new();
     }
 
     class MoveUpdateRemoveMovementForce : ServerPacket
@@ -788,7 +788,7 @@ namespace Game.Networking.Packets
             _worldPacket.WritePackedGuid(TriggerGUID);
         }
 
-        public MovementInfo Status = new MovementInfo();
+        public MovementInfo Status = new();
         public ObjectGuid TriggerGUID;
     }
 
@@ -1103,7 +1103,7 @@ namespace Game.Networking.Packets
         }
 
         public ObjectGuid MoverGUID;
-        public List<MoveStateChange> StateChanges = new List<MoveStateChange>();
+        public List<MoveStateChange> StateChanges = new();
 
         public struct CollisionHeightInfo
         {
@@ -1221,7 +1221,7 @@ namespace Game.Networking.Packets
             data.FlushBits();
         }
 
-        public List<MonsterSplineFilterKey> FilterKeys = new List<MonsterSplineFilterKey>();
+        public List<MonsterSplineFilterKey> FilterKeys = new();
         public byte FilterFlags;
         public float BaseSpeed;
         public short StartOffset;
@@ -1279,7 +1279,7 @@ namespace Game.Networking.Packets
 
     public class MonsterSplineUnknown901
     {    
-        public Array<Inner> Data = new Array<Inner>(16);
+        public Array<Inner> Data = new(16);
 
         public void Write(WorldPacket data)
         {
@@ -1379,13 +1379,13 @@ namespace Game.Networking.Packets
         public int Elapsed;
         public uint MoveTime;
         public uint FadeObjectTime;
-        public List<Vector3> Points = new List<Vector3>(); // Spline path
+        public List<Vector3> Points = new(); // Spline path
         public byte Mode; // Spline mode - actually always 0 in this packet - Catmullrom mode appears only in SMSG_UPDATE_OBJECT. In this packet it is determined by flags
         public bool VehicleExitVoluntary;
         public bool Interpolate;
         public ObjectGuid TransportGUID;
         public sbyte VehicleSeat = -1;
-        public List<Vector3> PackedDeltas = new List<Vector3>();
+        public List<Vector3> PackedDeltas = new();
         public Optional<MonsterSplineFilter> SplineFilter;
         public Optional<MonsterSplineSpellEffectExtraData> SpellEffectExtraData;
         public Optional<MonsterSplineJumpExtraData> JumpExtraData;

Source/Game/Networking/Packets/NPCPackets.cs

@@ -83,10 +83,10 @@ namespace Game.Networking.Packets
                 text.Write(_worldPacket);
         }
 
-        public List<ClientGossipOptions> GossipOptions = new List<ClientGossipOptions>();
+        public List<ClientGossipOptions> GossipOptions = new();
         public int FriendshipFactionID;
         public ObjectGuid GossipGUID;
-        public List<ClientGossipText> GossipText = new List<ClientGossipText>();
+        public List<ClientGossipText> GossipText = new();
         public int TextID;
         public int GossipID;
     }
@@ -133,7 +133,7 @@ namespace Game.Networking.Packets
         }
 
         public byte Reason = 0;
-        public List<VendorItemPkt> Items = new List<VendorItemPkt>();
+        public List<VendorItemPkt> Items = new();
         public ObjectGuid Vendor;
     }
 
@@ -170,7 +170,7 @@ namespace Game.Networking.Packets
         public ObjectGuid TrainerGUID;
         public int TrainerType;
         public int TrainerID = 1;
-        public List<TrainerListSpell> Spells = new List<TrainerListSpell>();
+        public List<TrainerListSpell> Spells = new();
         public string Greeting;
     }
 
@@ -308,7 +308,7 @@ namespace Game.Networking.Packets
 
     public class TreasureLootList
     {
-        public List<TreasureItem> Items = new List<TreasureItem>();
+        public List<TreasureItem> Items = new();
 
         public void Write(WorldPacket data)
         {
@@ -327,7 +327,7 @@ namespace Game.Networking.Packets
         public GossipOptionStatus Status;
         public string Text;
         public string Confirm;
-        public TreasureLootList Treasure = new TreasureLootList();
+        public TreasureLootList Treasure = new();
         public Optional<int> SpellID;
     }
 
@@ -378,7 +378,7 @@ namespace Game.Networking.Packets
 
         public int MuID;
         public int Type;
-        public ItemInstance Item = new ItemInstance();
+        public ItemInstance Item = new();
         public int Quantity = -1;
         public ulong Price;
         public int Durability;

Source/Game/Networking/Packets/PartyPackets.cs

@@ -134,7 +134,7 @@ namespace Game.Networking.Packets
         // Lfg
         public uint ProposedRoles;
         public int LfgCompletedMask;
-        public List<int> LfgSlots = new List<int>();
+        public List<int> LfgSlots = new();
     }
 
     class PartyInviteResponse : ClientPacket
@@ -290,7 +290,7 @@ namespace Game.Networking.Packets
             // Auras
             foreach (AuraApplication aurApp in player.GetVisibleAuras())
             {
-                PartyMemberAuraStates aura = new PartyMemberAuraStates();
+                PartyMemberAuraStates aura = new();
                 aura.SpellID = (int)aurApp.GetBase().GetId();
                 aura.ActiveFlags = aurApp.GetEffectMask();
                 aura.Flags = (byte)aurApp.GetFlags();
@@ -329,7 +329,7 @@ namespace Game.Networking.Packets
 
                 foreach (AuraApplication aurApp in pet.GetVisibleAuras())
                 {
-                    PartyMemberAuraStates aura = new PartyMemberAuraStates();
+                    PartyMemberAuraStates aura = new();
 
                     aura.SpellID = (int)aurApp.GetBase().GetId();
                     aura.ActiveFlags = aurApp.GetEffectMask();
@@ -355,7 +355,7 @@ namespace Game.Networking.Packets
 
         public bool ForEnemy;
         public ObjectGuid MemberGuid;
-        public PartyMemberStats MemberStats = new PartyMemberStats();
+        public PartyMemberStats MemberStats = new();
     }
 
     class SetPartyLeader : ClientPacket
@@ -529,7 +529,7 @@ namespace Game.Networking.Packets
         }
 
         public sbyte PartyIndex;
-        public Dictionary<byte, ObjectGuid> TargetIcons = new Dictionary<byte, ObjectGuid>();
+        public Dictionary<byte, ObjectGuid> TargetIcons = new();
     }
 
     class ConvertRaid : ClientPacket
@@ -768,7 +768,7 @@ namespace Game.Networking.Packets
         public int MyIndex;
         public int SequenceNum;
 
-        public List<PartyPlayerInfo> PlayerList = new List<PartyPlayerInfo>();
+        public List<PartyPlayerInfo> PlayerList = new();
 
         public Optional<PartyLFGInfo> LfgInfos;
         public Optional<PartyLootSettings> LootSettings;
@@ -856,7 +856,7 @@ namespace Game.Networking.Packets
         public sbyte PartyIndex;
         public uint ActiveMarkers;
 
-        public List<RaidMarker> RaidMarkers = new List<RaidMarker>();
+        public List<RaidMarker> RaidMarkers = new();
     }
 
     class PartyKillLog : ServerPacket
@@ -906,7 +906,7 @@ namespace Game.Networking.Packets
 
         public int PhaseShiftFlags;
         public ObjectGuid PersonalGUID;
-        public List<PartyMemberPhase> List = new List<PartyMemberPhase>();
+        public List<PartyMemberPhase> List = new();
     }
 
     class PartyMemberAuraStates
@@ -914,7 +914,7 @@ namespace Game.Networking.Packets
         public int SpellID;
         public ushort Flags;
         public uint ActiveFlags;
-        public List<float> Points = new List<float>();
+        public List<float> Points = new();
 
         public void Write(WorldPacket data)
         {
@@ -950,7 +950,7 @@ namespace Game.Networking.Packets
         public int CurrentHealth;
         public int MaxHealth;
 
-        public List<PartyMemberAuraStates> Auras = new List<PartyMemberAuraStates>();
+        public List<PartyMemberAuraStates> Auras = new();
     }
 
     public struct CTROptions
@@ -1022,8 +1022,8 @@ namespace Game.Networking.Packets
 
         public int VehicleSeat;
 
-        public PartyMemberPhaseStates Phases = new PartyMemberPhaseStates();
-        public List<PartyMemberAuraStates> Auras = new List<PartyMemberAuraStates>();
+        public PartyMemberPhaseStates Phases = new();
+        public List<PartyMemberAuraStates> Auras = new();
         public Optional<PartyMemberPetStats> PetStats;
 
         public ushort PowerDisplayID;

Source/Game/Networking/Packets/PetPackets.cs

@@ -133,9 +133,9 @@ namespace Game.Networking.Packets
 
         public uint[] ActionButtons = new uint[10];
 
-        public List<uint> Actions = new List<uint>();
-        public List<PetSpellCooldown> Cooldowns = new List<PetSpellCooldown>();
-        public List<PetSpellHistory> SpellHistory = new List<PetSpellHistory>();
+        public List<uint> Actions = new();
+        public List<PetSpellCooldown> Cooldowns = new();
+        public List<PetSpellHistory> SpellHistory = new();
     }
 
     class PetStableList : ServerPacket
@@ -161,7 +161,7 @@ namespace Game.Networking.Packets
         }
 
         public ObjectGuid StableMaster;
-        public List<PetStableInfo> Pets = new List<PetStableInfo>();
+        public List<PetStableInfo> Pets = new();
     }
 
     class PetStableResult : ServerPacket
@@ -187,7 +187,7 @@ namespace Game.Networking.Packets
                 _worldPacket.WriteUInt32(spell);
         }
 
-        public List<uint> Spells = new List<uint>();
+        public List<uint> Spells = new();
     }
 
     class PetUnlearnedSpells : ServerPacket
@@ -201,7 +201,7 @@ namespace Game.Networking.Packets
                 _worldPacket.WriteUInt32(spell);
         }
 
-        public List<uint> Spells = new List<uint>();
+        public List<uint> Spells = new();
     }
 
     class PetNameInvalid : ServerPacket

Source/Game/Networking/Packets/PetitionPackets.cs

@@ -341,6 +341,6 @@ namespace Game.Networking.Packets
         public int NumChoices;
         public int StaticType;
         public uint Muid = 0;
-        public StringArray Choicetext = new StringArray(10);
+        public StringArray Choicetext = new(10);
     }
 }

Source/Game/Networking/Packets/QueryPackets.cs

@@ -188,7 +188,7 @@ namespace Game.Networking.Packets
 
         public uint PageTextID;
         public bool Allow;
-        public List<PageTextInfo> Pages = new List<PageTextInfo>();
+        public List<PageTextInfo> Pages = new();
 
         public struct PageTextInfo
         {
@@ -277,7 +277,7 @@ namespace Game.Networking.Packets
             _worldPacket.WriteBit(Allow);
             _worldPacket.FlushBits();
 
-            ByteBuffer statsData = new ByteBuffer();
+            ByteBuffer statsData = new();
             if (Allow)
             {
                 statsData.WriteUInt32(Stats.Type);
@@ -432,7 +432,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<QuestPOIData> QuestPOIDataStats = new List<QuestPOIData>();
+        public List<QuestPOIData> QuestPOIDataStats = new();
     }
 
     class QueryQuestCompletionNPCs : ClientPacket
@@ -468,7 +468,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<QuestCompletionNPC> QuestCompletionNPCs = new List<QuestCompletionNPC>();
+        public List<QuestCompletionNPC> QuestCompletionNPCs = new();
     }
 
     class QueryPetName : ClientPacket
@@ -514,7 +514,7 @@ namespace Game.Networking.Packets
         public bool Allow;
 
         public bool HasDeclined;
-        public DeclinedName DeclinedNames = new DeclinedName();
+        public DeclinedName DeclinedNames = new();
         public uint Timestamp;
         public string Name = "";
     }
@@ -595,8 +595,8 @@ namespace Game.Networking.Packets
                 data.WriteUInt32(NativeRealmAddress.Value);
         }
 
-        public Optional<uint> VirtualRealmAddress = new Optional<uint>(); // current realm (?) (identifier made from the Index, BattleGroup and Region)
-        public Optional<uint> NativeRealmAddress = new Optional<uint>(); // original realm (?) (identifier made from the Index, BattleGroup and Region)
+        public Optional<uint> VirtualRealmAddress = new(); // current realm (?) (identifier made from the Index, BattleGroup and Region)
+        public Optional<uint> NativeRealmAddress = new(); // original realm (?) (identifier made from the Index, BattleGroup and Region)
     }
 
     public class PlayerGuidLookupData
@@ -679,7 +679,7 @@ namespace Game.Networking.Packets
         public Gender Sex = Gender.None;
         public Class ClassID = Class.None;
         public byte Level;
-        public DeclinedName DeclinedNames = new DeclinedName();
+        public DeclinedName DeclinedNames = new();
     }
 
     public class CreatureXDisplay
@@ -699,7 +699,7 @@ namespace Game.Networking.Packets
     public class CreatureDisplayStats
     {
         public float TotalProbability;
-        public List<CreatureXDisplay> CreatureDisplay = new List<CreatureXDisplay>();
+        public List<CreatureXDisplay> CreatureDisplay = new();
     }
 
     public class CreatureStats
@@ -710,11 +710,11 @@ namespace Game.Networking.Packets
         public int CreatureType;
         public int CreatureFamily;
         public int Classification;
-        public CreatureDisplayStats Display = new CreatureDisplayStats();
+        public CreatureDisplayStats Display = new();
         public float HpMulti;
         public float EnergyMulti;
         public bool Leader;
-        public List<uint> QuestItems = new List<uint>();
+        public List<uint> QuestItems = new();
         public uint CreatureMovementInfoID;
         public int HealthScalingExpansion;
         public uint RequiredExpansion;
@@ -724,8 +724,8 @@ namespace Game.Networking.Packets
         public int WidgetSetUnitConditionID;
         public uint[] Flags = new uint[2];
         public uint[] ProxyCreatureID = new uint[SharedConst.MaxCreatureKillCredit];
-        public StringArray Name = new StringArray(SharedConst.MaxCreatureNames);
-        public StringArray NameAlt = new StringArray(SharedConst.MaxCreatureNames);
+        public StringArray Name = new(SharedConst.MaxCreatureNames);
+        public StringArray NameAlt = new(SharedConst.MaxCreatureNames);
     }
 
     public struct DBQueryRecord
@@ -743,13 +743,13 @@ namespace Game.Networking.Packets
         public uint DisplayID;
         public int[] Data = new int[SharedConst.MaxGOData];
         public float Size;
-        public List<uint> QuestItems = new List<uint>();
+        public List<uint> QuestItems = new();
         public uint ContentTuningId;
     }
 
     class QuestCompletionNPC
     {
         public uint QuestID;
-        public List<uint> NPCs = new List<uint>();
+        public List<uint> NPCs = new();
     }
 }

Source/Game/Networking/Packets/QuestPackets.cs

@@ -72,7 +72,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<QuestGiverInfo> QuestGiver = new List<QuestGiverInfo>();
+        public List<QuestGiverInfo> QuestGiver = new();
     }
 
     public class QuestGiverHello : ClientPacket
@@ -246,7 +246,7 @@ namespace Game.Networking.Packets
         }
 
         public bool Allow;
-        public QuestInfo Info = new QuestInfo();
+        public QuestInfo Info = new();
         public uint QuestID;
     }
 
@@ -387,7 +387,7 @@ namespace Game.Networking.Packets
         public bool LaunchGossip;
         public bool LaunchQuest;
         public bool HideChatMessage;
-        public ItemInstance ItemReward = new ItemInstance();
+        public ItemInstance ItemReward = new();
     }
 
     public class QuestGiverCompleteQuest : ClientPacket
@@ -487,10 +487,10 @@ namespace Game.Networking.Packets
         public int QuestPackageID;
         public uint[] QuestFlags = new uint[2];
         public uint SuggestedPartyMembers;
-        public QuestRewards Rewards = new QuestRewards();
-        public List<QuestObjectiveSimple> Objectives = new List<QuestObjectiveSimple>();
-        public List<QuestDescEmote> DescEmotes = new List<QuestDescEmote>();
-        public List<uint> LearnSpells = new List<uint>();
+        public QuestRewards Rewards = new();
+        public List<QuestObjectiveSimple> Objectives = new();
+        public List<QuestDescEmote> DescEmotes = new();
+        public List<uint> LearnSpells = new();
         public uint PortraitTurnIn;
         public uint PortraitGiver;
         public uint PortraitGiverMount;
@@ -557,8 +557,8 @@ namespace Game.Networking.Packets
         public bool AutoLaunched;
         public uint SuggestPartyMembers;
         public int MoneyToGet;
-        public List<QuestObjectiveCollect> Collect = new List<QuestObjectiveCollect>();
-        public List<QuestCurrency> Currency = new List<QuestCurrency>();
+        public List<QuestObjectiveCollect> Collect = new();
+        public List<QuestCurrency> Currency = new();
         public int StatusFlags;
         public uint[] QuestFlags = new uint[2];
         public string QuestTitle = "";
@@ -645,7 +645,7 @@ namespace Game.Networking.Packets
         public ObjectGuid QuestGiverGUID;
         public uint GreetEmoteDelay;
         public uint GreetEmoteType;
-        public List<ClientGossipText> QuestDataText = new List<ClientGossipText>();
+        public List<ClientGossipText> QuestDataText = new();
         public string Greeting = "";
     }
 
@@ -825,7 +825,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        List<WorldQuestUpdateInfo> WorldQuestUpdates = new List<WorldQuestUpdateInfo>();
+        List<WorldQuestUpdateInfo> WorldQuestUpdates = new();
     }
 
     class DisplayPlayerChoice : ServerPacket
@@ -856,7 +856,7 @@ namespace Game.Networking.Packets
         public int UiTextureKitID;
         public uint SoundKitID;
         public string Question;
-        public List<PlayerChoiceResponse> Responses = new List<PlayerChoiceResponse>();
+        public List<PlayerChoiceResponse> Responses = new();
         public bool CloseChoiceFrame;
         public bool HideWarboardHeader;
         public bool KeepOpenAfterChoice;
@@ -944,7 +944,7 @@ namespace Game.Networking.Packets
         public uint RewardMoneyDifficulty;
         public float RewardMoneyMultiplier = 1.0f;
         public uint RewardBonusMoney;
-        public List<QuestCompleteDisplaySpell> RewardDisplaySpell = new List<QuestCompleteDisplaySpell>(); // reward spell, this spell will be displayed (icon)
+        public List<QuestCompleteDisplaySpell> RewardDisplaySpell = new(); // reward spell, this spell will be displayed (icon)
         public uint RewardSpell;
         public uint RewardHonor;
         public float RewardKillHonor;
@@ -985,7 +985,7 @@ namespace Game.Networking.Packets
         public int Expansion;
         public int ManagedWorldStateID;
         public int QuestSessionBonus;
-        public List<QuestObjective> Objectives = new List<QuestObjective>();
+        public List<QuestObjective> Objectives = new();
         public uint[] RewardItems = new uint[SharedConst.QuestRewardItemCount];
         public uint[] RewardAmount = new uint[SharedConst.QuestRewardItemCount];
         public int[] ItemDrop = new int[SharedConst.QuestItemDropCount];
@@ -1142,8 +1142,8 @@ namespace Game.Networking.Packets
         public uint QuestID = 0;
         public bool AutoLaunched = false;
         public uint SuggestedPartyMembers = 0;
-        public QuestRewards Rewards = new QuestRewards();
-        public List<QuestDescEmote> Emotes = new List<QuestDescEmote>();
+        public QuestRewards Rewards = new();
+        public List<QuestDescEmote> Emotes = new();
         public uint[] QuestFlags = new uint[2]; // Flags and FlagsEx
     }
 
@@ -1252,10 +1252,10 @@ namespace Game.Networking.Packets
         public uint HonorPointCount;
         public ulong Money;
         public uint Xp;
-        public List<PlayerChoiceResponseRewardEntry> Items = new List<PlayerChoiceResponseRewardEntry>();
-        public List<PlayerChoiceResponseRewardEntry> Currencies = new List<PlayerChoiceResponseRewardEntry>();
-        public List<PlayerChoiceResponseRewardEntry> Factions = new List<PlayerChoiceResponseRewardEntry>();
-        public List<PlayerChoiceResponseRewardEntry> ItemChoices = new List<PlayerChoiceResponseRewardEntry>();
+        public List<PlayerChoiceResponseRewardEntry> Items = new();
+        public List<PlayerChoiceResponseRewardEntry> Currencies = new();
+        public List<PlayerChoiceResponseRewardEntry> Factions = new();
+        public List<PlayerChoiceResponseRewardEntry> ItemChoices = new();
     }
 
     struct PlayerChoiceResponseMawPower

Source/Game/Networking/Packets/ReputationPackets.cs

@@ -63,7 +63,7 @@ namespace Game.Networking.Packets
                 reaction.Write(_worldPacket);
         }
 
-        public List<ForcedReaction> Reactions = new List<ForcedReaction>();
+        public List<ForcedReaction> Reactions = new();
     }
 
     class SetFactionStanding : ServerPacket
@@ -85,7 +85,7 @@ namespace Game.Networking.Packets
 
         public float ReferAFriendBonus;
         public float BonusFromAchievementSystem;
-        public List<FactionStandingData> Faction = new List<FactionStandingData>();
+        public List<FactionStandingData> Faction = new();
         public bool ShowVisual;
     }
 

Source/Game/Networking/Packets/ScenarioPackets.cs

@@ -60,10 +60,10 @@ namespace Game.Networking.Packets
         public uint WaveCurrent;
         public uint WaveMax;
         public uint TimerDuration;
-        public List<CriteriaProgressPkt> CriteriaProgress = new List<CriteriaProgressPkt>();
-        public List<BonusObjectiveData> BonusObjectives = new List<BonusObjectiveData>();
-        public List<uint> PickedSteps = new List<uint>();
-        public List<ScenarioSpellUpdate> Spells = new List<ScenarioSpellUpdate>();
+        public List<CriteriaProgressPkt> CriteriaProgress = new();
+        public List<BonusObjectiveData> BonusObjectives = new();
+        public List<uint> PickedSteps = new();
+        public List<ScenarioSpellUpdate> Spells = new();
         public bool ScenarioComplete = false;
     }
 
@@ -122,7 +122,7 @@ namespace Game.Networking.Packets
                 MissingScenarioPOIs[i] = _worldPacket.ReadInt32();
         }
 
-        public Array<int> MissingScenarioPOIs = new Array<int>(50);
+        public Array<int> MissingScenarioPOIs = new(50);
     }
 
     class ScenarioPOIs : ServerPacket
@@ -160,7 +160,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<ScenarioPOIData> ScenarioPOIDataStats = new List<ScenarioPOIData>();
+        public List<ScenarioPOIData> ScenarioPOIDataStats = new();
     }
 
     struct BonusObjectiveData

Source/Game/Networking/Packets/SpellPackets.cs

@@ -84,7 +84,7 @@ namespace Game.Networking.Packets
 
     public class SpellCategoryCooldown : ServerPacket
     {
-        public List<CategoryCooldownInfo> CategoryCooldowns = new List<CategoryCooldownInfo>();
+        public List<CategoryCooldownInfo> CategoryCooldowns = new();
 
         public SpellCategoryCooldown() : base(ServerOpcodes.CategoryCooldown, ConnectionType.Instance) { }
 
@@ -130,8 +130,8 @@ namespace Game.Networking.Packets
         }
 
         public bool InitialLogin;
-        public List<uint> KnownSpells = new List<uint>();
-        public List<uint> FavoriteSpells = new List<uint>(); // tradeskill recipes
+        public List<uint> KnownSpells = new();
+        public List<uint> FavoriteSpells = new(); // tradeskill recipes
     }
 
     public class UpdateActionButtons : ServerPacket
@@ -169,7 +169,7 @@ namespace Game.Networking.Packets
 
     public class SendUnlearnSpells : ServerPacket
     {
-        List<uint> Spells = new List<uint>();
+        List<uint> Spells = new();
 
         public SendUnlearnSpells() : base(ServerOpcodes.SendUnlearnSpells, ConnectionType.Instance) { }
 
@@ -197,7 +197,7 @@ namespace Game.Networking.Packets
 
         public bool UpdateAll;
         public ObjectGuid UnitGUID;
-        public List<AuraInfo> Auras = new List<AuraInfo>();
+        public List<AuraInfo> Auras = new();
     }
 
     public class CastSpell : ClientPacket
@@ -281,7 +281,7 @@ namespace Game.Networking.Packets
             WriteLogData();
         }
 
-        public SpellCastData Cast = new SpellCastData();
+        public SpellCastData Cast = new();
     }
 
     public class SpellStart : ServerPacket
@@ -319,9 +319,9 @@ namespace Game.Networking.Packets
                 _worldPacket.WriteInt32(spellId);
         }
 
-        public List<uint> SpellID = new List<uint>();
-        public List<uint> Superceded = new List<uint>();
-        public List<int> FavoriteSpellID = new List<int>();
+        public List<uint> SpellID = new();
+        public List<uint> Superceded = new();
+        public List<int> FavoriteSpellID = new();
     }
 
     public class LearnedSpells : ServerPacket
@@ -344,8 +344,8 @@ namespace Game.Networking.Packets
             _worldPacket.FlushBits();
         }
 
-        public List<uint> SpellID = new List<uint>();
-        public List<int> FavoriteSpellID = new List<int>();
+        public List<uint> SpellID = new();
+        public List<int> FavoriteSpellID = new();
         public uint SpecializationID;
         public bool SuppressMessaging;
     }
@@ -454,7 +454,7 @@ namespace Game.Networking.Packets
                 spellMod.Write(_worldPacket);
         }
 
-        public List<SpellModifierInfo> Modifiers = new List<SpellModifierInfo>();
+        public List<SpellModifierInfo> Modifiers = new();
     }
 
     public class UnlearnedSpells : ServerPacket
@@ -471,7 +471,7 @@ namespace Game.Networking.Packets
             _worldPacket.FlushBits();
         }
 
-        public List<uint> SpellID = new List<uint>();
+        public List<uint> SpellID = new();
         public bool SuppressMessaging;
     }
 
@@ -508,7 +508,7 @@ namespace Game.Networking.Packets
             _worldPacket.FlushBits();
         }
 
-        public List<uint> SpellID = new List<uint>();
+        public List<uint> SpellID = new();
         public bool IsPet;
     }
 
@@ -558,7 +558,7 @@ namespace Game.Networking.Packets
             SpellCooldowns.ForEach(p => p.Write(_worldPacket));
         }
 
-        public List<SpellCooldownStruct> SpellCooldowns = new List<SpellCooldownStruct>();
+        public List<SpellCooldownStruct> SpellCooldowns = new();
         public ObjectGuid Caster;
         public SpellCooldownFlags Flags;
     }
@@ -573,7 +573,7 @@ namespace Game.Networking.Packets
             Entries.ForEach(p => p.Write(_worldPacket));
         }
 
-        public List<SpellHistoryEntry> Entries = new List<SpellHistoryEntry>();
+        public List<SpellHistoryEntry> Entries = new();
     }
 
     public class ClearAllSpellCharges : ServerPacket
@@ -635,7 +635,7 @@ namespace Game.Networking.Packets
             Entries.ForEach(p => p.Write(_worldPacket));
         }
 
-        public List<SpellChargeEntry> Entries = new List<SpellChargeEntry>();
+        public List<SpellChargeEntry> Entries = new();
     }
 
     public class ClearTarget : ServerPacket
@@ -948,10 +948,10 @@ namespace Game.Networking.Packets
         public byte RaceID;
         public byte Gender;
         public byte ClassID;
-        public List<ChrCustomizationChoice> Customizations = new List<ChrCustomizationChoice>();
+        public List<ChrCustomizationChoice> Customizations = new();
         public ObjectGuid GuildGUID;
 
-        public List<int> ItemDisplayID = new List<int>();
+        public List<int> ItemDisplayID = new();
     }
 
     class MirrorImageCreatureData : ServerPacket
@@ -993,7 +993,7 @@ namespace Game.Networking.Packets
             Runes.Write(_worldPacket);
         }
 
-        public RuneData Runes = new RuneData();
+        public RuneData Runes = new();
     }
 
     class AddRunePower : ServerPacket
@@ -1103,7 +1103,7 @@ namespace Game.Networking.Packets
         public ObjectGuid CasterGUID;
         public ObjectGuid VictimGUID;
         public uint SpellID;
-        public List<uint> FailedSpells = new List<uint>();
+        public List<uint> FailedSpells = new();
     }
 
     class CustomLoadScreen : ServerPacket
@@ -1219,7 +1219,7 @@ namespace Game.Networking.Packets
         int AttackPower;
         int SpellPower;
         uint Armor;
-        List<SpellLogPowerData> PowerData = new List<SpellLogPowerData>();
+        List<SpellLogPowerData> PowerData = new();
     }
 
     class ContentTuningParams
@@ -1384,7 +1384,7 @@ namespace Game.Networking.Packets
 
         public static implicit operator SpellCastVisualField(SpellCastVisual spellCastVisual)
         {
-            SpellCastVisualField visual = new SpellCastVisualField();
+            SpellCastVisualField visual = new();
             visual.SpellXSpellVisualID = spellCastVisual.SpellXSpellVisualID;
             visual.ScriptVisualID = spellCastVisual.ScriptVisualID;
             return visual;
@@ -1449,7 +1449,7 @@ namespace Game.Networking.Packets
         public Optional<int> Remaining;
         Optional<float> TimeMod;
         public float[] Points = new float[0];
-        public List<float> EstimatedPoints = new List<float>();
+        public List<float> EstimatedPoints = new();
     }
 
     public struct AuraInfo
@@ -1609,12 +1609,12 @@ namespace Game.Networking.Packets
         public uint SpellID;
         public SpellCastVisual Visual;
         public uint SendCastFlags;
-        public SpellTargetData Target = new SpellTargetData();
+        public SpellTargetData Target = new();
         public MissileTrajectoryRequest MissileTrajectory;
         public Optional<MovementInfo> MoveUpdate;
-        public List<SpellWeight> Weight = new List<SpellWeight>();
-        public Array<SpellOptionalReagent> OptionalReagents = new Array<SpellOptionalReagent>(3);
-        public Array<SpellExtraCurrencyCost> OptionalCurrencies = new Array<SpellExtraCurrencyCost>(5 /*MAX_ITEM_EXT_COST_CURRENCIES*/);
+        public List<SpellWeight> Weight = new();
+        public Array<SpellOptionalReagent> OptionalReagents = new(3);
+        public Array<SpellExtraCurrencyCost> OptionalCurrencies = new(5 /*MAX_ITEM_EXT_COST_CURRENCIES*/);
         public ObjectGuid CraftingNPC;
         public uint[] Misc = new uint[2];
 
@@ -1721,7 +1721,7 @@ namespace Game.Networking.Packets
 
         public byte Start;
         public byte Count;
-        public List<byte> Cooldowns = new List<byte>();
+        public List<byte> Cooldowns = new();
     }
 
     public struct MissileTrajectoryResult
@@ -1840,17 +1840,17 @@ namespace Game.Networking.Packets
         public SpellCastFlags CastFlags;
         public SpellCastFlagsEx CastFlagsEx;
         public uint CastTime;
-        public List<ObjectGuid> HitTargets = new List<ObjectGuid>();
-        public List<ObjectGuid> MissTargets = new List<ObjectGuid>();
-        public List<SpellHitStatus> HitStatus = new List<SpellHitStatus>();
-        public List<SpellMissStatus> MissStatus = new List<SpellMissStatus>();
-        public SpellTargetData Target = new SpellTargetData();
-        public List<SpellPowerData> RemainingPower = new List<SpellPowerData>();
+        public List<ObjectGuid> HitTargets = new();
+        public List<ObjectGuid> MissTargets = new();
+        public List<SpellHitStatus> HitStatus = new();
+        public List<SpellMissStatus> MissStatus = new();
+        public SpellTargetData Target = new();
+        public List<SpellPowerData> RemainingPower = new();
         public Optional<RuneData> RemainingRunes;
         public MissileTrajectoryResult MissileTrajectory;
         public SpellAmmo Ammo;
         public byte DestLocSpellCastIndex;
-        public List<TargetLocation> TargetPoints = new List<TargetLocation>();
+        public List<TargetLocation> TargetPoints = new();
         public CreatureImmunities Immunities;
         public SpellHealPrediction Predict;
     }
@@ -1870,7 +1870,7 @@ namespace Game.Networking.Packets
     public class SpellModifierInfo
     {
         public byte ModIndex;
-        public List<SpellModifierData> ModifierData = new List<SpellModifierData>();
+        public List<SpellModifierData> ModifierData = new();
 
         public void Write(WorldPacket data)
         {

Source/Game/Networking/Packets/SystemPackets.cs

@@ -296,7 +296,7 @@ namespace Game.Networking.Packets
         public bool LiveRegionKeyBindingsCopyEnabled = false;
         public bool Unknown901CheckoutRelated = false; // NYI
         public Optional<EuropaTicketConfig> EuropaTicketSystemStatus;
-        public List<int> LiveRegionCharacterCopySourceRegions = new List<int>();
+        public List<int> LiveRegionCharacterCopySourceRegions = new();
         public uint TokenPollTimeSeconds;     // NYI
         public long TokenBalanceAmount;     // NYI 
         public int MaxCharactersPerRealm;

Source/Game/Networking/Packets/TalentPackets.cs

@@ -45,20 +45,20 @@ namespace Game.Networking.Packets
             }
         }
 
-        public TalentInfoUpdate Info = new TalentInfoUpdate();
+        public TalentInfoUpdate Info = new();
 
         public class TalentGroupInfo
         {
             public uint SpecID;
-            public List<ushort> TalentIDs = new List<ushort>();
-            public List<PvPTalent> PvPTalents = new List<PvPTalent>();
+            public List<ushort> TalentIDs = new();
+            public List<PvPTalent> PvPTalents = new();
         }
 
         public class TalentInfoUpdate
         {
             public byte ActiveGroup;
             public uint PrimarySpecialization;
-            public List<TalentGroupInfo> TalentGroups = new List<TalentGroupInfo>();
+            public List<TalentGroupInfo> TalentGroups = new();
         }
     }
 
@@ -73,7 +73,7 @@ namespace Game.Networking.Packets
                 Talents[i] = _worldPacket.ReadUInt16();
         }
 
-        public Array<ushort> Talents = new Array<ushort>(PlayerConst.MaxTalentTiers);
+        public Array<ushort> Talents = new(PlayerConst.MaxTalentTiers);
     }
 
     class RespecWipeConfirm : ServerPacket
@@ -122,7 +122,7 @@ namespace Game.Networking.Packets
 
         public uint Reason;
         public int SpellID;
-        public List<ushort> Talents = new List<ushort>();
+        public List<ushort> Talents = new();
     }
 
     class ActiveGlyphs : ServerPacket
@@ -139,7 +139,7 @@ namespace Game.Networking.Packets
             _worldPacket.FlushBits();
         }
 
-        public List<GlyphBinding> Glyphs = new List<GlyphBinding>();
+        public List<GlyphBinding> Glyphs = new();
         public bool IsFullUpdate;
     }
 
@@ -154,7 +154,7 @@ namespace Game.Networking.Packets
                 Talents[i] = new PvPTalent(_worldPacket);
         }
 
-        public Array<PvPTalent> Talents = new Array<PvPTalent>(4);
+        public Array<PvPTalent> Talents = new(4);
     }
 
     class LearnPvpTalentFailed : ServerPacket
@@ -173,7 +173,7 @@ namespace Game.Networking.Packets
 
         public uint Reason;
         public uint SpellID;
-        public List<PvPTalent> Talents = new List<PvPTalent>();
+        public List<PvPTalent> Talents = new();
     }
 
     //Structs

Source/Game/Networking/Packets/TicketPackets.cs

@@ -75,7 +75,7 @@ namespace Game.Networking.Packets
             }
         }
 
-        public List<GMTicketCase> Cases = new List<GMTicketCase>();
+        public List<GMTicketCase> Cases = new();
 
         public struct GMTicketCase
         {
@@ -252,7 +252,7 @@ namespace Game.Networking.Packets
                     ReportLineIndex.Value = data.ReadUInt32();
             }
 
-            public List<SupportTicketChatLine> Lines = new List<SupportTicketChatLine>();
+            public List<SupportTicketChatLine> Lines = new();
             public Optional<uint> ReportLineIndex;
         }
 
@@ -316,7 +316,7 @@ namespace Game.Networking.Packets
 
         public class SupportTicketHorusChatLog
         {
-            public List<SupportTicketHorusChatLine> Lines = new List<SupportTicketHorusChatLine>();
+            public List<SupportTicketHorusChatLine> Lines = new();
 
             public void Read(WorldPacket data)
             {

Source/Game/Networking/Packets/TokenPackets.cs

@@ -54,7 +54,7 @@ namespace Game.Networking.Packets
 
         public uint UnkInt; // send CMSG_UPDATE_WOW_TOKEN_AUCTIONABLE_LIST
         public TokenResult Result;
-        List<AuctionableTokenAuctionable> AuctionableTokenAuctionableList =new List<AuctionableTokenAuctionable>();
+        List<AuctionableTokenAuctionable> AuctionableTokenAuctionableList =new();
 
         struct AuctionableTokenAuctionable
         {

Source/Game/Networking/Packets/ToyPackets.cs

@@ -43,7 +43,7 @@ namespace Game.Networking.Packets
             Cast.Read(_worldPacket);
         }
 
-        public SpellCastRequest Cast = new SpellCastRequest();
+        public SpellCastRequest Cast = new();
     }
 
     class AccountToyUpdate : ServerPacket
@@ -73,7 +73,7 @@ namespace Game.Networking.Packets
         }
 
         public bool IsFullUpdate = false;
-        public Dictionary<uint, ToyFlags> Toys = new Dictionary<uint, ToyFlags>();
+        public Dictionary<uint, ToyFlags> Toys = new();
     }
 
     class ToyClearFanfare : ClientPacket

Source/Game/Networking/Packets/TradePackets.cs

@@ -230,7 +230,7 @@ namespace Game.Networking.Packets
             public bool Lock;
             public uint MaxDurability;
             public uint Durability;
-            public List<ItemGemData> Gems = new List<ItemGemData>();
+            public List<ItemGemData> Gems = new();
         }
 
         public class TradeItem
@@ -249,7 +249,7 @@ namespace Game.Networking.Packets
             }
 
             public byte Slot;
-            public ItemInstance Item = new ItemInstance();
+            public ItemInstance Item = new();
             public int StackCount;
             public ObjectGuid GiftCreator;
             public Optional<UnwrappedTradeItem> Unwrapped;
@@ -259,7 +259,7 @@ namespace Game.Networking.Packets
         public uint CurrentStateIndex;
         public byte WhichPlayer;
         public uint ClientStateIndex;
-        public List<TradeItem> Items = new List<TradeItem>();
+        public List<TradeItem> Items = new();
         public int CurrencyType;
         public uint Id;
         public int ProposedEnchantment;

Source/Game/Networking/Packets/TransmogrificationPackets.cs

@@ -32,7 +32,7 @@ namespace Game.Networking.Packets
 
             for (var i = 0; i < itemsCount; ++i)
             {
-                TransmogrifyItem item = new TransmogrifyItem();
+                TransmogrifyItem item = new();
                 item.Read(_worldPacket);
                 Items[i] = item;
             }
@@ -41,7 +41,7 @@ namespace Game.Networking.Packets
         }
 
         public ObjectGuid Npc;
-        public Array<TransmogrifyItem> Items = new Array<TransmogrifyItem>(13);
+        public Array<TransmogrifyItem> Items = new(13);
         public bool CurrentSpecOnly;
     }
 
@@ -65,8 +65,8 @@ namespace Game.Networking.Packets
 
         public bool IsFullUpdate;
         public bool IsSetFavorite;
-        public List<uint> FavoriteAppearances = new List<uint>();
-        public List<uint> NewAppearances = new List<uint>();
+        public List<uint> FavoriteAppearances = new();
+        public List<uint> NewAppearances = new();
     }
 
     class TransmogrifyNPC : ServerPacket

Source/Game/Networking/Packets/VoidStoragePackets.cs

@@ -85,7 +85,7 @@ namespace Game.Networking.Packets
                 voidItem.Write(_worldPacket);
         }
 
-        public List<VoidItem> Items = new List<VoidItem>();
+        public List<VoidItem> Items = new();
     }
 
     class VoidStorageTransfer : ClientPacket
@@ -127,8 +127,8 @@ namespace Game.Networking.Packets
                 _worldPacket.WritePackedGuid(removedItem);
         }
 
-        public List<ObjectGuid> RemovedItems = new List<ObjectGuid>();
-        public List<VoidItem> AddedItems = new List<VoidItem>();
+        public List<ObjectGuid> RemovedItems = new();
+        public List<VoidItem> AddedItems = new();
     }
 
     class SwapVoidItem : ClientPacket

Source/Game/Networking/Packets/WhoPackets.cs

@@ -63,9 +63,9 @@ namespace Game.Networking.Packets
                 Areas.Add(_worldPacket.ReadInt32());
         }
 
-        public WhoRequest Request = new WhoRequest();
+        public WhoRequest Request = new();
         public uint RequestID;
-        public List<int> Areas= new List<int>();
+        public List<int> Areas= new();
     }
 
     public class WhoResponsePkt : ServerPacket
@@ -82,7 +82,7 @@ namespace Game.Networking.Packets
         }
 
         public uint RequestID;
-        public List<WhoEntry> Response = new List<WhoEntry>();
+        public List<WhoEntry> Response = new();
     }
 
     public struct WhoRequestServerInfo
@@ -143,7 +143,7 @@ namespace Game.Networking.Packets
         public string GuildVirtualRealmName;
         public long RaceFilter;
         public int ClassFilter = -1;
-        public List<string> Words = new List<string>();
+        public List<string> Words = new();
         public bool ShowEnemies;
         public bool ShowArenaPlayers;
         public bool ExactName;
@@ -167,7 +167,7 @@ namespace Game.Networking.Packets
             data.FlushBits();
         }
 
-        public PlayerGuidLookupData PlayerData = new PlayerGuidLookupData();
+        public PlayerGuidLookupData PlayerData = new();
         public ObjectGuid GuildGUID;
         public uint GuildVirtualRealmAddress;
         public string GuildName = "";

Source/Game/Networking/Packets/WorldStatePackets.cs

@@ -52,7 +52,7 @@ namespace Game.Networking.Packets
         public uint SubareaID;
         public uint MapID;
 
-        List<WorldStateInfo> Worldstates = new List<WorldStateInfo>();
+        List<WorldStateInfo> Worldstates = new();
 
         struct WorldStateInfo
         {