Update PacketTypes.cs and fix the Tweak Item Packet

Terraria/MessageBuffer.cs

@@ -671,6 +671,10 @@ public void GetData(int start, int length)
 							NetMessage.SendData(27, this.whoAmI, -1, "", k1, 0f, 0f, 0f, 0, 0, 0);
 						}
 					}
+					for (int l1 = 0; l1 < 251; l1++)
+					{
+						NetMessage.SendData(83, this.whoAmI, -1, "", l1, 0f, 0f, 0f, 0, 0, 0);
+					}
 					NetMessage.SendData(49, this.whoAmI, -1, "", 0, 0f, 0f, 0f, 0, 0, 0);
 					NetMessage.SendData(57, this.whoAmI, -1, "", 0, 0f, 0f, 0f, 0, 0, 0);
 					NetMessage.SendData(7, this.whoAmI, -1, "", 0, 0f, 0f, 0f, 0, 0, 0);
@@ -843,14 +847,13 @@ public void GetData(int start, int length)
 					byte num25 = this.reader.ReadByte();
 					int num26 = this.reader.ReadInt16();
 					int num27 = this.reader.ReadInt16();
-
-					// Check for invalid coordinates
-					if (num26 < 0 || num26 >= Main.maxTilesX || num27 < 0 || num27 >= Main.maxTilesY)
-						return;
-
 					short num28 = this.reader.ReadInt16();
 					int num29 = this.reader.ReadByte();
 					bool flag3 = num28 == 1;
+					if (!WorldGen.InWorld(num26, num27, 3))
+					{
+						return;
+					}
 					if (Main.tile[num26, num27] == null)
 					{
 						Main.tile[num26, num27] = new Tile();
@@ -1015,6 +1018,10 @@ public void GetData(int start, int length)
 					short num36 = this.reader.ReadInt16();
 					int num37 = this.reader.ReadInt16();
 					int num38 = this.reader.ReadInt16();
+					if (!WorldGen.InWorld(num37, num38, 3))
+					{
+						return;
+					}
 					BitsByte bitsByte9 = 0;
 					BitsByte bitsByte10 = 0;
 					Tile tile = null;

Terraria/NetMessage.cs

@@ -958,13 +958,54 @@ public class NetMessage
 						case 88:
 							{
 								BitsByte bb16 = (byte)number2;
+								BitsByte bb17 = (byte)number3;
 								writer.Write((short)number);
 								writer.Write(bb16);
 								Item item4 = Main.item[number];
 								if (bb16[0])
 								{
 									writer.Write(item4.color.PackedValue);
 								}
+								if (bb16[1])
+								{
+									writer.Write((ushort)item4.damage);
+								}
+								if (bb16[2])
+								{
+									writer.Write(item4.knockBack);
+								}
+								if (bb16[3])
+								{
+									writer.Write((ushort)item4.useAnimation);
+								}
+								if (bb16[4])
+								{
+									writer.Write((ushort)item4.useTime);
+								}
+								if (bb16[5])
+								{
+									writer.Write((short)item4.shoot);
+								}
+								if (bb16[6])
+								{
+									writer.Write(item4.shootSpeed);
+								}
+								if (bb16[7])
+								{
+									writer.Write(bb17);
+									if (bb17[0])
+									{
+										writer.Write((ushort)item4.width);
+									}
+									if (bb17[1])
+									{
+										writer.Write((ushort)item4.height);
+									}
+									if (bb17[2])
+									{
+										writer.Write(item4.scale);
+									}
+								}
 								break;
 							}
 						case 89:

TerrariaApi.Server/PacketTypes.cs

@@ -3,79 +3,108 @@
 public enum PacketTypes
 {
 	ConnectRequest = 1,
-	Disconnect,
-	ContinueConnecting,
-	PlayerInfo,
-	PlayerSlot,
-	ContinueConnecting2,
-	WorldInfo,
-	TileGetSection,
-	Status,
-	TileSendSection,
-	TileFrameSection,
-	PlayerSpawn,
-	PlayerUpdate,
-	PlayerActive,
-	SyncPlayers,
-	PlayerHp,
-	Tile,
-	TimeSet,
-	DoorUse,
-	TileSendSquare,
-	ItemDrop,
-	ItemOwner,
-	NpcUpdate,
-	NpcItemStrike,
-	ChatText,
-	PlayerDamage,
-	ProjectileNew,
-	NpcStrike,
-	ProjectileDestroy,
-	TogglePvp,
-	ChestGetContents,
-	ChestItem,
-	ChestOpen,
-	TileKill,
-	EffectHeal,
-	Zones,
-	PasswordRequired,
-	PasswordSend,
-	ItemUnknown,
-	NpcTalk,
-	PlayerAnimation,
-	PlayerMana,
-	EffectMana,
-	PlayerKillMe,
-	PlayerTeam,
-	SignRead,
-	SignNew,
-	LiquidSet,
-	PlayerSpawnSelf,
-	PlayerBuff,
-	NpcSpecial,
-	ChestUnlock,
-	NpcAddBuff,
-	NpcUpdateBuff,
-	PlayerAddBuff,
-	UpdateNPCName,
-	UpdateGoodEvil,
-	PlayHarp,
-	HitSwitch,
-	UpdateNPCHome,
-	SpawnBossorInvasion,
-	PlayerDodge,
-	PaintTile,
-	PaintWall,
-	Teleport,
-	PlayerHealOther,
-	Placeholder,
-	ClientUUID,
-	ChestName,
-	CatchNPC,
-	ReleaseNPC,
-	SetShop,
-	TeleportationPotion,
-	AnglerQuest,
-	CompleteAnglerQuest,
-	NumberOfAnglerQuestsCompleted
+	Disconnect = 2,
+	ContinueConnecting = 3,
+	PlayerInfo = 4,
+	PlayerSlot = 5,
+	ContinueConnecting2 = 6,
+	WorldInfo = 7,
+	TileGetSection = 8,
+	Status = 9,
+	TileSendSection = 10,
+	TileFrameSection = 11,
+	PlayerSpawn = 12,
+	PlayerUpdate = 13,
+	PlayerActive = 14,
+	[Obsolete]
+	SyncPlayers = 15,
+	PlayerHp = 16,
+	Tile = 17,
+	TimeSet = 18,
+	DoorUse = 19,
+	TileSendSquare = 20,
+	ItemDrop = 21,
+	ItemOwner = 22,
+	NpcUpdate = 23,
+	NpcItemStrike = 24,
+	ChatText = 25,
+	PlayerDamage = 26,
+	ProjectileNew = 27,
+	NpcStrike = 28,
+	ProjectileDestroy = 29,
+	TogglePvp = 30,
+	ChestGetContents = 31,
+	ChestItem = 32,
+	ChestOpen = 33,
+	TileKill = 34,
+	EffectHeal = 35,
+	Zones = 36,
+	PasswordRequired = 37,
+	PasswordSend = 38,
+	RemoveItemOwner = 39,
+	NpcTalk = 40,
+	PlayerAnimation = 41,
+	PlayerMana = 42,
+	EffectMana = 43,
+	PlayerKillMe = 44,
+	PlayerTeam = 45,
+	SignRead = 46,
+	SignNew = 47,
+	LiquidSet = 48,
+	PlayerSpawnSelf = 49,
+	PlayerBuff = 50,
+	NpcSpecial = 51,
+	ChestUnlock = 52,
+	NpcAddBuff = 53,
+	NpcUpdateBuff = 54,
+	PlayerAddBuff = 55,
+	UpdateNPCName = 56,
+	UpdateGoodEvil = 57,
+	PlayHarp = 58,
+	HitSwitch = 59,
+	UpdateNPCHome = 60,
+	SpawnBossorInvasion = 61,
+	PlayerDodge = 62,
+	PaintTile = 63,
+	PaintWall = 64,
+	Teleport = 65,
+	PlayerHealOther = 66,
+	Placeholder = 67,
+	ClientUUID = 68,
+	ChestName = 69,
+	CatchNPC = 70,
+	ReleaseNPC = 71,
+	TravellingMerchantInventory = 72,
+	TeleportationPotion = 73,
+	AnglerQuest = 74,
+	CompleteAnglerQuest = 75,
+	NumberOfAnglerQuestsCompleted = 76,
+	CreateTemporaryAnimation = 77,
+	ReportInvasionProgress = 78,
+	PlaceObject = 79,
+	SyncPlayerChestIndex = 80,
+	CreateCombatText = 81,
+	LoadNetModule = 82,
+	NpcKillCount = 83,
+	PlayerStealth = 84,
+	ForceItemIntoNearestChest = 85,
+	UpdateTileEntity = 86,
+	PlaceTileEntity = 87,
+	TweakItem = 88,
+	PlaceItemFrame = 89,
+	UpdateItemDrop = 90,
+	EmoteBubble = 91,
+	SyncExtraValue = 92,
+	SocialHandshake = 93,
+	Deprecated = 94,
+	KillPortal = 95,
+	PlayerTeleportPortal = 96,
+	NotifyPlayerNpcKilled = 97,
+	NotifyPlayerOfEvent = 98,
+	UpdateMinionTarget = 99,
+	NpcTeleportPortal = 100,
+	UpdateShieldStrengths = 101,
+	NebulaLevelUp = 102,
+	MoonLordCountdown = 103,
+	NpcShopItem = 104
 }