RAGECOOP-V/Client/Networking.cs

using System;
using System.Linq;
using System.Collections.Generic;

using CoopClient.Entities.Player;
using CoopClient.Entities.NPC;

using Lidgren.Network;

using GTA;
using GTA.Native;

namespace CoopClient
{
    internal class Networking
    {
        public NetClient Client;
        public float Latency = 0;

        public bool ShowNetworkInfo = false;

        public int BytesReceived = 0;
        public int BytesSend = 0;

        public void DisConnectFromServer(string address)
        {
            if (IsOnServer())
            {
                Client.Disconnect("Bye!");
            }
            else
            {
                // 623c92c287cc392406e7aaaac1c0f3b0 = RAGECOOP
                NetPeerConfiguration config = new NetPeerConfiguration("623c92c287cc392406e7aaaac1c0f3b0")
                {
                    AutoFlushSendQueue = false
                };

                config.EnableMessageType(NetIncomingMessageType.ConnectionLatencyUpdated);

                Client = new NetClient(config);

                Client.Start();

                string[] ip = new string[2];

                int idx = address.LastIndexOf(':');
                if (idx != -1)
                {
                    ip[0] = address.Substring(0, idx);
                    ip[1] = address.Substring(idx + 1);
                }

                if (ip.Length != 2)
                {
                    throw new Exception("Malformed URL");
                }

                // Send HandshakePacket
                NetOutgoingMessage outgoingMessage = Client.CreateMessage();
                new Packets.Handshake()
                {
                    NetHandle =  0,
                    Username = Main.MainSettings.Username,
                    ModVersion = Main.CurrentVersion,
                    NPCsAllowed = false
                }.PacketToNetOutGoingMessage(outgoingMessage);

                Client.Connect(ip[0], short.Parse(ip[1]), outgoingMessage);
            }
        }

        public bool IsOnServer()
        {
            return Client?.ConnectionStatus == NetConnectionStatus.Connected;
        }

        public void ReceiveMessages()
        {
            if (Client == null)
            {
                return;
            }

            NetIncomingMessage message;

            while ((message = Client.ReadMessage()) != null)
            {
                BytesReceived += message.LengthBytes;

                switch (message.MessageType)
                {
                    case NetIncomingMessageType.StatusChanged:
                        NetConnectionStatus status = (NetConnectionStatus)message.ReadByte();

                        string reason = message.ReadString();

                        switch (status)
                        {
                            case NetConnectionStatus.InitiatedConnect:
#if !NON_INTERACTIVE
                                Main.MainMenu.InitiateConnectionMenuSetting();
#endif
                                GTA.UI.Notification.Show("~y~Trying to connect...");
                                break;
                            case NetConnectionStatus.Connected:
                                if (message.SenderConnection.RemoteHailMessage.ReadByte() != (byte)PacketTypes.Handshake)
                                {
                                    Client.Disconnect("Wrong packet!");
                                }
                                else
                                {
                                    int len = message.SenderConnection.RemoteHailMessage.ReadInt32();
                                    byte[] data = message.SenderConnection.RemoteHailMessage.ReadBytes(len);

                                    Packets.Handshake handshakePacket = new Packets.Handshake();
                                    handshakePacket.NetIncomingMessageToPacket(data);

                                    Main.LocalNetHandle = handshakePacket.NetHandle;
                                    Main.NPCsAllowed = handshakePacket.NPCsAllowed;

                                    Main.MainChat.Init();
                                    Main.MainPlayerList = new PlayerList();

#if !NON_INTERACTIVE
                                    Main.MainMenu.ConnectedMenuSetting();
#endif

                                    COOPAPI.Connected();
                                    GTA.UI.Notification.Show("~g~Connected!");

                                    JavascriptHook.LoadAll();
                                    Logger.Write(">> Connected <<", Logger.LogLevel.Server);
                                }
                                break;
                            case NetConnectionStatus.Disconnected:
                                DownloadManager.Cleanup();

                                // Reset all values
                                Latency = 0;
                                LastPlayerFullSync = 0;

                                Main.CleanUpWorld();

                                Main.NPCsAllowed = false;

                                if (Main.MainChat.Focused)
                                {
                                    Main.MainChat.Focused = false;
                                }

                                Main.MainPlayerList = null;
                                Main.CleanUp();

#if !NON_INTERACTIVE
                                Main.MainMenu.DisconnectedMenuSetting();
#endif

                                COOPAPI.Disconnected(reason);
                                GTA.UI.Notification.Show("~r~Disconnected: " + reason);

                                JavascriptHook.StopAll();

                                Logger.Write($">> Disconnected << reason: {reason}", Logger.LogLevel.Server);
                                break;
                        }
                        break;
                    case NetIncomingMessageType.Data:
                        byte packetType = message.ReadByte();

                        switch (packetType)
                        {
                            case (byte)PacketTypes.CleanUpWorld:
                                {
                                    try
                                    {
                                        Main.CleanUpWorld();
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.PlayerConnect:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);

                                        Packets.PlayerConnect packet = new Packets.PlayerConnect();
                                        packet.NetIncomingMessageToPacket(data);

                                        PlayerConnect(packet);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.PlayerDisconnect:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);

                                        Packets.PlayerDisconnect packet = new Packets.PlayerDisconnect();
                                        packet.NetIncomingMessageToPacket(data);

                                        PlayerDisconnect(packet);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.FullSyncPlayer:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);

                                        Packets.FullSyncPlayer packet = new Packets.FullSyncPlayer();
                                        packet.NetIncomingMessageToPacket(data);

                                        FullSyncPlayer(packet);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.FullSyncPlayerVeh:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);

                                        Packets.FullSyncPlayerVeh packet = new Packets.FullSyncPlayerVeh();
                                        packet.NetIncomingMessageToPacket(data);

                                        FullSyncPlayerVeh(packet);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.LightSyncPlayer:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);

                                        Packets.LightSyncPlayer packet = new Packets.LightSyncPlayer();
                                        packet.NetIncomingMessageToPacket(data);

                                        LightSyncPlayer(packet);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.LightSyncPlayerVeh:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);

                                        Packets.LightSyncPlayerVeh packet = new Packets.LightSyncPlayerVeh();
                                        packet.NetIncomingMessageToPacket(data);

                                        LightSyncPlayerVeh(packet);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.SuperLightSync:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);

                                        Packets.SuperLightSync packet = new Packets.SuperLightSync();
                                        packet.NetIncomingMessageToPacket(data);

                                        if (Main.Players.ContainsKey(packet.NetHandle))
                                        {
                                            EntitiesPlayer player = Main.Players[packet.NetHandle];

                                            player.Position = packet.Position.ToVector();
                                            player.Latency = packet.Latency.HasValue ? packet.Latency.Value : 0;
                                        }
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.FullSyncNpc:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);

                                        Packets.FullSyncNpc packet = new Packets.FullSyncNpc();
                                        packet.NetIncomingMessageToPacket(data);

                                        FullSyncNpc(packet);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.FullSyncNpcVeh:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);

                                        Packets.FullSyncNpcVeh packet = new Packets.FullSyncNpcVeh();
                                        packet.NetIncomingMessageToPacket(data);

                                        FullSyncNpcVeh(packet);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.ChatMessage:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);

                                        Packets.ChatMessage packet = new Packets.ChatMessage();
                                        packet.NetIncomingMessageToPacket(data);

                                        if (!COOPAPI.ChatMessageReceived(packet.Username, packet.Message))
                                        {
                                            Main.MainChat.AddMessage(packet.Username, packet.Message);
                                        }

                                        JavascriptHook.InvokeChatMessage(packet.Username, packet.Message);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.NativeCall:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);

                                        Packets.NativeCall packet = new Packets.NativeCall();
                                        packet.NetIncomingMessageToPacket(data);

                                        DecodeNativeCall(packet);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.NativeResponse:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);

                                        Packets.NativeResponse packet = new Packets.NativeResponse();
                                        packet.NetIncomingMessageToPacket(data);

                                        DecodeNativeResponse(packet);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.Mod:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);
                                        Packets.Mod packet = new Packets.Mod();
                                        packet.NetIncomingMessageToPacket(data);
                                        COOPAPI.ModPacketReceived(packet.NetHandle, packet.Name, packet.CustomPacketID, packet.Bytes);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.FileTransferRequest:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);
                                        Packets.FileTransferRequest packet = new Packets.FileTransferRequest();
                                        packet.NetIncomingMessageToPacket(data);

                                        DownloadManager.AddFile(packet.ID, (Packets.DataFileType)packet.FileType, packet.FileName, packet.FileLength);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                            case (byte)PacketTypes.FileTransferTick:
                                {
                                    try
                                    {
                                        int len = message.ReadInt32();
                                        byte[] data = message.ReadBytes(len);
                                        Packets.FileTransferTick packet = new Packets.FileTransferTick();
                                        packet.NetIncomingMessageToPacket(data);

                                        DownloadManager.Write(packet.ID, packet.FileChunk);
                                    }
                                    catch (Exception ex)
                                    {
                                        GTA.UI.Notification.Show("~r~~h~Packet Error");
                                        Logger.Write($"[{packetType}] {ex.Message}", Logger.LogLevel.Server);
                                        Logger.Write($"[{packetType}] {ex.Source}", Logger.LogLevel.Server);
                                        Logger.Write($"[{packetType}] {ex.StackTrace}", Logger.LogLevel.Server);
                                        Client.Disconnect($"Packet Error [{packetType}]");
                                    }
                                }
                                break;
                        }
                        break;
                    case NetIncomingMessageType.ConnectionLatencyUpdated:
                        Latency = message.ReadFloat();
                        break;
                    case NetIncomingMessageType.DebugMessage:
                    case NetIncomingMessageType.ErrorMessage:
                    case NetIncomingMessageType.WarningMessage:
                    case NetIncomingMessageType.VerboseDebugMessage:
#if DEBUG
                        // TODO?
#endif
                        break;
                    default:
                        break;
                }

                Client.Recycle(message);
            }
        }

        #region -- GET --
        #region -- PLAYER --
        private void PlayerConnect(Packets.PlayerConnect packet)
        {
            EntitiesPlayer player = new EntitiesPlayer() { Username = packet.Username };

            Main.Players.Add(packet.NetHandle, player);
            COOPAPI.Connected(packet.NetHandle);
            JavascriptHook.InvokePlayerConnect(packet.Username, packet.NetHandle);
        }

        private void PlayerDisconnect(Packets.PlayerDisconnect packet)
        {
            if (Main.Players.ContainsKey(packet.NetHandle))
            {
                EntitiesPlayer player = Main.Players[packet.NetHandle];
                if (player.Character != null && player.Character.Exists())
                {
                    player.Character.Kill();
                    player.Character.Delete();
                }

                player.PedBlip?.Delete();

                COOPAPI.Disconnected(packet.NetHandle);
                JavascriptHook.InvokePlayerDisonnect(player.Username, packet.NetHandle);
                Main.Players.Remove(packet.NetHandle);
            }
        }

        private void FullSyncPlayer(Packets.FullSyncPlayer packet)
        {
            if (Main.Players.ContainsKey(packet.NetHandle))
            {
                EntitiesPlayer player = Main.Players[packet.NetHandle];

                player.ModelHash = packet.ModelHash;
                player.Clothes = packet.Clothes;
                player.Health = packet.Health;
                player.Position = packet.Position.ToVector();
                player.Rotation = packet.Rotation.ToVector();
                player.Velocity = packet.Velocity.ToVector();
                player.Speed = packet.Speed;
                player.CurrentWeaponHash = packet.CurrentWeaponHash;
                player.WeaponComponents = packet.WeaponComponents;
                player.AimCoords = packet.AimCoords.ToVector();
                player.IsAiming = (packet.Flag.Value & (ushort)PedDataFlags.IsAiming) > 0;
                player.IsShooting = (packet.Flag.Value & (ushort)PedDataFlags.IsShooting) > 0;
                player.IsReloading = (packet.Flag.Value & (ushort)PedDataFlags.IsReloading) > 0;
                player.IsJumping = (packet.Flag.Value & (ushort)PedDataFlags.IsJumping) > 0;
                player.IsRagdoll = (packet.Flag.Value & (ushort)PedDataFlags.IsRagdoll) > 0;
                player.IsOnFire = (packet.Flag.Value & (ushort)PedDataFlags.IsOnFire) > 0;
                player.IsInParachuteFreeFall = (packet.Flag.Value & (ushort)PedDataFlags.IsInParachuteFreeFall) > 0;
                player.IsParachuteOpen = (packet.Flag.Value & (ushort)PedDataFlags.IsParachuteOpen) > 0;
                player.IsOnLadder = (packet.Flag.Value & (ushort)PedDataFlags.IsOnLadder) > 0;
                player.IsVaulting = (packet.Flag.Value & (ushort)PedDataFlags.IsVaulting) > 0;
                player.IsInVehicle = false;
                player.LastSyncWasFull = true;

                player.Latency = packet.Latency.Value;
                player.LastUpdateReceived = Util.GetTickCount64();
            }
        }

        private void FullSyncPlayerVeh(Packets.FullSyncPlayerVeh packet)
        {
            if (Main.Players.ContainsKey(packet.NetHandle))
            {
                EntitiesPlayer player = Main.Players[packet.NetHandle];

                player.ModelHash = packet.ModelHash;
                player.Clothes = packet.Clothes;
                player.Health = packet.Health;
                player.VehicleModelHash = packet.VehModelHash;
                player.VehicleSeatIndex = packet.VehSeatIndex;
                player.Position = packet.Position.ToVector();
                player.VehicleRotation = packet.VehRotation.ToQuaternion();
                player.VehicleEngineHealth = packet.VehEngineHealth;
                player.VehRPM = packet.VehRPM;
                player.Velocity = packet.VehVelocity.ToVector();
                player.VehicleSpeed = packet.VehSpeed;
                player.VehicleSteeringAngle = packet.VehSteeringAngle;
                player.AimCoords = packet.VehAimCoords.ToVector();
                player.VehicleColors = packet.VehColors;
                player.VehicleMods = packet.VehMods;
                player.VehDamageModel = packet.VehDamageModel;
                player.VehLandingGear = packet.VehLandingGear;
                player.VehIsEngineRunning = (packet.Flag.Value & (ushort)VehicleDataFlags.IsEngineRunning) > 0;
                player.VehAreLightsOn = (packet.Flag.Value & (ushort)VehicleDataFlags.AreLightsOn) > 0;
                player.VehAreBrakeLightsOn = (packet.Flag.Value & (ushort)VehicleDataFlags.AreBrakeLightsOn) > 0;
                player.VehAreHighBeamsOn = (packet.Flag.Value & (ushort)VehicleDataFlags.AreHighBeamsOn) > 0;
                player.VehIsSireneActive = (packet.Flag.Value & (ushort)VehicleDataFlags.IsSirenActive) > 0;
                player.VehicleDead = (packet.Flag.Value & (ushort)VehicleDataFlags.IsDead) > 0;
                player.IsHornActive = (packet.Flag.Value & (ushort)VehicleDataFlags.IsHornActive) > 0;
                player.Transformed = (packet.Flag.Value & (ushort)VehicleDataFlags.IsTransformed) > 0;
                player.VehRoofOpened = (packet.Flag.Value & (ushort)VehicleDataFlags.RoofOpened) > 0;
                player.IsInVehicle = true;
                player.LastSyncWasFull = true;

                player.Latency = packet.Latency.Value;
                player.LastUpdateReceived = Util.GetTickCount64();
            }
        }

        private void LightSyncPlayer(Packets.LightSyncPlayer packet)
        {
            if (Main.Players.ContainsKey(packet.NetHandle))
            {
                EntitiesPlayer player = Main.Players[packet.NetHandle];

                player.Health = packet.Health;
                player.Position = packet.Position.ToVector();
                player.Rotation = packet.Rotation.ToVector();
                player.Velocity = packet.Velocity.ToVector();
                player.Speed = packet.Speed;
                player.CurrentWeaponHash = packet.CurrentWeaponHash;
                player.AimCoords = packet.AimCoords.ToVector();
                player.IsAiming = (packet.Flag.Value & (ushort)PedDataFlags.IsAiming) > 0;
                player.IsShooting = (packet.Flag.Value & (ushort)PedDataFlags.IsShooting) > 0;
                player.IsReloading = (packet.Flag.Value & (ushort)PedDataFlags.IsReloading) > 0;
                player.IsJumping = (packet.Flag.Value & (ushort)PedDataFlags.IsJumping) > 0;
                player.IsRagdoll = (packet.Flag.Value & (ushort)PedDataFlags.IsRagdoll) > 0;
                player.IsOnFire = (packet.Flag.Value & (ushort)PedDataFlags.IsOnFire) > 0;
                player.IsInParachuteFreeFall = (packet.Flag.Value & (ushort)PedDataFlags.IsInParachuteFreeFall) > 0;
                player.IsParachuteOpen = (packet.Flag.Value & (ushort)PedDataFlags.IsParachuteOpen) > 0;
                player.IsOnLadder = (packet.Flag.Value & (ushort)PedDataFlags.IsOnLadder) > 0;
                player.IsVaulting = (packet.Flag.Value & (ushort)PedDataFlags.IsVaulting) > 0;
                player.IsInVehicle = false;
                player.LastSyncWasFull = false;

                player.Latency = packet.Latency.Value;
                player.LastUpdateReceived = Util.GetTickCount64();
            }
        }

        private void LightSyncPlayerVeh(Packets.LightSyncPlayerVeh packet)
        {
            if (Main.Players.ContainsKey(packet.NetHandle))
            {
                EntitiesPlayer player = Main.Players[packet.NetHandle];

                player.Health = packet.Health;
                player.VehicleModelHash = packet.VehModelHash;
                player.VehicleSeatIndex = packet.VehSeatIndex;
                player.Position = packet.Position.ToVector();
                player.VehicleRotation = packet.VehRotation.ToQuaternion();
                player.Velocity = packet.VehVelocity.ToVector();
                player.VehicleSpeed = packet.VehSpeed;
                player.VehicleSteeringAngle = packet.VehSteeringAngle;
                player.AimCoords = packet.AimCoords.ToVector();
                player.VehIsEngineRunning = (packet.Flag.Value & (ushort)VehicleDataFlags.IsEngineRunning) > 0;
                player.VehAreLightsOn = (packet.Flag.Value & (ushort)VehicleDataFlags.AreLightsOn) > 0;
                player.VehAreBrakeLightsOn = (packet.Flag.Value & (ushort)VehicleDataFlags.AreBrakeLightsOn) > 0;
                player.VehAreHighBeamsOn = (packet.Flag.Value & (ushort)VehicleDataFlags.AreHighBeamsOn) > 0;
                player.VehIsSireneActive = (packet.Flag.Value & (ushort)VehicleDataFlags.IsSirenActive) > 0;
                player.VehicleDead = (packet.Flag.Value & (ushort)VehicleDataFlags.IsDead) > 0;
                player.IsHornActive = (packet.Flag.Value & (ushort)VehicleDataFlags.IsHornActive) > 0;
                player.Transformed = (packet.Flag.Value & (ushort)VehicleDataFlags.IsTransformed) > 0;
                player.VehRoofOpened = (packet.Flag.Value & (ushort)VehicleDataFlags.RoofOpened) > 0;
                player.IsInVehicle = true;
                player.LastSyncWasFull = false;

                player.Latency = packet.Latency.Value;
                player.LastUpdateReceived = Util.GetTickCount64();
            }
        }

        private void DecodeNativeCall(Packets.NativeCall packet)
        {
            List<InputArgument> arguments = new List<InputArgument>();

            if (packet.Args != null && packet.Args.Count > 0)
            {
                packet.Args.ForEach(x =>
                {
                    Type type = x.GetType();

                    if (type == typeof(int))
                    {
                        arguments.Add((int)x);
                    }
                    else if (type == typeof(bool))
                    {
                        arguments.Add((bool)x);
                    }
                    else if (type == typeof(float))
                    {
                        arguments.Add((float)x);
                    }
                    else if (type == typeof(string))
                    {
                        arguments.Add((string)x);
                    }
                    else if (type == typeof(LVector3))
                    {
                        LVector3 vector = (LVector3)x;
                        arguments.Add((float)vector.X);
                        arguments.Add((float)vector.Y);
                        arguments.Add((float)vector.Z);
                    }
                    else
                    {
                        GTA.UI.Notification.Show("[DecodeNativeCall][" + packet.Hash + "]: Type of argument not found!");
                        return;
                    }
                });
            }

            Function.Call((Hash)packet.Hash, arguments.ToArray());
        }

        private void DecodeNativeResponse(Packets.NativeResponse packet)
        {
            List<InputArgument> arguments = new List<InputArgument>();
            Type typeOf = null;

            if (packet.Args != null && packet.Args.Count > 0)
            {
                packet.Args.ForEach(x =>
                {
                    typeOf = x.GetType();

                    if (typeOf == typeof(int))
                    {
                        arguments.Add((int)x);
                    }
                    else if (typeOf == typeof(bool))
                    {
                        arguments.Add((bool)x);
                    }
                    else if (typeOf == typeof(float))
                    {
                        arguments.Add((float)x);
                    }
                    else if (typeOf == typeof(string))
                    {
                        arguments.Add((string)x);
                    }
                    else if (typeOf == typeof(LVector3))
                    {
                        LVector3 vector = (LVector3)x;
                        arguments.Add((float)vector.X);
                        arguments.Add((float)vector.Y);
                        arguments.Add((float)vector.Z);
                    }
                    else
                    {
                        GTA.UI.Notification.Show("[DecodeNativeResponse][" + packet.Hash + "]: Type of argument not found!");
                        return;
                    }
                });
            }

            object result;
            switch (packet.ResultType.Value)
            {
                case 0x00: // int
                    result = Function.Call<int>((Hash)packet.Hash, arguments.ToArray());
                    break;
                case 0x01: // bool
                    result = Function.Call<bool>((Hash)packet.Hash, arguments.ToArray());
                    break;
                case 0x02: // float
                    result = Function.Call<float>((Hash)packet.Hash, arguments.ToArray());
                    break;
                case 0x03: // string
                    result = Function.Call<string>((Hash)packet.Hash, arguments.ToArray());
                    break;
                case 0x04: // vector3
                    result = Function.Call<GTA.Math.Vector3>((Hash)packet.Hash, arguments.ToArray()).ToLVector();
                    break;
                default:
                    GTA.UI.Notification.Show("[DecodeNativeResponse][" + packet.Hash + "]: Type of return not found!");
                    return;
            }

            if (Main.CheckNativeHash.ContainsKey(packet.Hash))
            {
                foreach (KeyValuePair<ulong, byte> hash in Main.CheckNativeHash)
                {
                    if (hash.Key == packet.Hash)
                    {
                        lock (Main.ServerItems)
                        {
                            Main.ServerItems.Add((int)result, hash.Value);
                        }
                        break;
                    }
                }
            }

            NetOutgoingMessage outgoingMessage = Client.CreateMessage();
            new Packets.NativeResponse()
            {
                Hash = 0,
                Args = new List<object>() { result },
                ID =  packet.ID
            }.PacketToNetOutGoingMessage(outgoingMessage);
            Client.SendMessage(outgoingMessage, NetDeliveryMethod.ReliableOrdered, (byte)ConnectionChannel.Native);
            Client.FlushSendQueue();
        }
        #endregion // -- PLAYER --

        #region -- NPC --
        private void FullSyncNpc(Packets.FullSyncNpc packet)
        {
            lock (Main.NPCs)
            {
                if (Main.NPCs.ContainsKey(packet.NetHandle))
                {
                    EntitiesNPC npc = Main.NPCs[packet.NetHandle];

                    // "if" this NPC has left a vehicle
                    npc.PlayerVehicleHandle = 0;

                    npc.ModelHash = packet.ModelHash;
                    npc.Clothes = packet.Clothes;
                    npc.Health = packet.Health;
                    npc.Position = packet.Position.ToVector();
                    npc.Rotation = packet.Rotation.ToVector();
                    npc.Velocity = packet.Velocity.ToVector();
                    npc.Speed = packet.Speed;
                    npc.CurrentWeaponHash = packet.CurrentWeaponHash;
                    npc.AimCoords = packet.AimCoords.ToVector();
                    npc.IsAiming = (packet.Flag.Value & (ushort)PedDataFlags.IsAiming) > 0;
                    npc.IsShooting = (packet.Flag.Value & (ushort)PedDataFlags.IsShooting) > 0;
                    npc.IsReloading = (packet.Flag.Value & (ushort)PedDataFlags.IsReloading) > 0;
                    npc.IsJumping = (packet.Flag.Value & (ushort)PedDataFlags.IsJumping) > 0;
                    npc.IsRagdoll = (packet.Flag.Value & (ushort)PedDataFlags.IsRagdoll) > 0;
                    npc.IsOnFire = (packet.Flag.Value & (ushort)PedDataFlags.IsOnFire) > 0;
                    npc.IsInVehicle = false;
                    npc.LastSyncWasFull = true;

                    npc.LastUpdateReceived = Util.GetTickCount64();
                }
                else
                {
                    Main.NPCs.Add(packet.NetHandle, new EntitiesNPC()
                    {
                        ModelHash = packet.ModelHash,
                        Clothes = packet.Clothes,
                        Health = packet.Health,
                        Position = packet.Position.ToVector(),
                        Rotation = packet.Rotation.ToVector(),
                        Velocity = packet.Velocity.ToVector(),
                        Speed = packet.Speed,
                        CurrentWeaponHash = packet.CurrentWeaponHash,
                        AimCoords = packet.AimCoords.ToVector(),
                        IsAiming = (packet.Flag.Value & (ushort)PedDataFlags.IsAiming) > 0,
                        IsShooting = (packet.Flag.Value & (ushort)PedDataFlags.IsShooting) > 0,
                        IsReloading = (packet.Flag.Value & (ushort)PedDataFlags.IsReloading) > 0,
                        IsJumping = (packet.Flag.Value & (ushort)PedDataFlags.IsJumping) > 0,
                        IsRagdoll = (packet.Flag.Value & (ushort)PedDataFlags.IsRagdoll) > 0,
                        IsOnFire = (packet.Flag.Value & (ushort)PedDataFlags.IsOnFire) > 0,
                        IsInVehicle = false,
                        LastSyncWasFull = true,

                        LastUpdateReceived = Util.GetTickCount64()
                    });
                }
            }
        }

        private void FullSyncNpcVeh(Packets.FullSyncNpcVeh packet)
        {
            lock (Main.NPCs)
            {
                if (Main.NPCs.ContainsKey(packet.NetHandle))
                {
                    EntitiesNPC npc = Main.NPCs[packet.NetHandle];

                    npc.PlayerVehicleHandle = packet.VehHandle;

                    npc.ModelHash = packet.ModelHash;
                    npc.Clothes = packet.Clothes;
                    npc.Health = packet.Health;
                    npc.VehicleModelHash = packet.VehModelHash;
                    npc.VehicleSeatIndex = packet.VehSeatIndex;
                    npc.Position = packet.Position.ToVector();
                    npc.VehicleRotation = packet.VehRotation.ToQuaternion();
                    npc.VehicleEngineHealth = packet.VehEngineHealth;
                    npc.VehRPM = packet.VehRPM;
                    npc.Velocity = packet.VehVelocity.ToVector();
                    npc.VehicleSpeed = packet.VehSpeed;
                    npc.VehicleSteeringAngle = packet.VehSteeringAngle;
                    npc.VehicleColors = packet.VehColors;
                    npc.VehDamageModel = packet.VehDamageModel;
                    npc.VehLandingGear = packet.VehLandingGear;
                    npc.VehIsEngineRunning = (packet.Flag.Value & (ushort)VehicleDataFlags.IsEngineRunning) > 0;
                    npc.VehAreLightsOn = (packet.Flag.Value & (ushort)VehicleDataFlags.AreLightsOn) > 0;
                    npc.VehAreBrakeLightsOn = (packet.Flag.Value & (ushort)VehicleDataFlags.AreBrakeLightsOn) > 0;
                    npc.VehAreHighBeamsOn = (packet.Flag.Value & (ushort)VehicleDataFlags.AreHighBeamsOn) > 0;
                    npc.VehIsSireneActive = (packet.Flag.Value & (ushort)VehicleDataFlags.IsSirenActive) > 0;
                    npc.VehicleDead = (packet.Flag.Value & (ushort)VehicleDataFlags.IsDead) > 0;
                    npc.IsHornActive = (packet.Flag.Value & (ushort)VehicleDataFlags.IsHornActive) > 0;
                    npc.Transformed = (packet.Flag.Value & (ushort)VehicleDataFlags.IsTransformed) > 0;
                    npc.VehRoofOpened = (packet.Flag.Value & (ushort)VehicleDataFlags.RoofOpened) > 0;
                    npc.IsInVehicle = true;
                    npc.LastSyncWasFull = true;

                    npc.LastUpdateReceived = Util.GetTickCount64();
                }
                else
                {
                    Main.NPCs.Add(packet.NetHandle, new EntitiesNPC()
                    {
                        PlayerVehicleHandle = packet.VehHandle,

                        ModelHash = packet.ModelHash,
                        Clothes = packet.Clothes,
                        Health = packet.Health,
                        VehicleModelHash = packet.VehModelHash,
                        VehicleSeatIndex = packet.VehSeatIndex,
                        Position = packet.Position.ToVector(),
                        VehicleRotation = packet.VehRotation.ToQuaternion(),
                        VehicleEngineHealth = packet.VehEngineHealth,
                        VehRPM = packet.VehRPM,
                        Velocity = packet.VehVelocity.ToVector(),
                        VehicleSpeed = packet.VehSpeed,
                        VehicleSteeringAngle = packet.VehSteeringAngle,
                        VehicleColors = packet.VehColors,
                        VehDamageModel = packet.VehDamageModel,
                        VehLandingGear = packet.VehLandingGear,
                        VehIsEngineRunning = (packet.Flag.Value & (ushort)VehicleDataFlags.IsEngineRunning) > 0,
                        VehAreLightsOn = (packet.Flag.Value & (ushort)VehicleDataFlags.AreLightsOn) > 0,
                        VehAreBrakeLightsOn = (packet.Flag.Value & (ushort)VehicleDataFlags.AreBrakeLightsOn) > 0,
                        VehAreHighBeamsOn = (packet.Flag.Value & (ushort)VehicleDataFlags.AreHighBeamsOn) > 0,
                        VehIsSireneActive = (packet.Flag.Value & (ushort)VehicleDataFlags.IsSirenActive) > 0,
                        VehicleDead = (packet.Flag.Value & (ushort)VehicleDataFlags.IsDead) > 0,
                        IsHornActive = (packet.Flag.Value & (ushort)VehicleDataFlags.IsHornActive) > 0,
                        Transformed = (packet.Flag.Value & (ushort)VehicleDataFlags.IsTransformed) > 0,
                        VehRoofOpened = (packet.Flag.Value & (ushort)VehicleDataFlags.RoofOpened) > 0,
                        IsInVehicle = true,
                        LastSyncWasFull = true,

                        LastUpdateReceived = Util.GetTickCount64()
                    });
                }
            }
        }
        #endregion // -- NPC --
        #endregion

        #region -- SEND --
        private ulong LastPlayerFullSync = 0;
        public void SendPlayerData()
        {
            Ped player = Game.Player.Character;

            NetOutgoingMessage outgoingMessage = Client.CreateMessage();
            NetDeliveryMethod messageType;
            int connectionChannel = 0;

            if ((Util.GetTickCount64() - LastPlayerFullSync) > 500)
            {
                messageType = NetDeliveryMethod.UnreliableSequenced;
                connectionChannel = (byte)ConnectionChannel.PlayerFull;

                if (player.IsInVehicle())
                {
                    Vehicle veh = player.CurrentVehicle;

                    byte primaryColor = 0;
                    byte secondaryColor = 0;
                    unsafe
                    {
                        Function.Call<byte>(Hash.GET_VEHICLE_COLOURS, veh, &primaryColor, &secondaryColor);
                    }

                    new Packets.FullSyncPlayerVeh()
                    {
                        NetHandle = Main.LocalNetHandle,
                        PedHandle = player.Handle,
                        Health = player.Health,
                        VehicleHandle = veh.Handle,
                        ModelHash = player.Model.Hash,
                        Clothes = player.GetPedClothes(),
                        VehModelHash = veh.Model.Hash,
                        VehSeatIndex = (short)player.SeatIndex,
                        Position = veh.Position.ToLVector(),
                        VehRotation = veh.Quaternion.ToLQuaternion(),
                        VehEngineHealth = veh.EngineHealth,
                        VehRPM = veh.CurrentRPM,
                        VehVelocity = veh.Velocity.ToLVector(),
                        VehSpeed = veh.Speed,
                        VehSteeringAngle = veh.SteeringAngle,
                        VehAimCoords = veh.IsTurretSeat((int)player.SeatIndex) ? Util.GetVehicleAimCoords().ToLVector() : new LVector3(),
                        VehColors = new byte[] { primaryColor, secondaryColor },
                        VehMods = veh.Mods.GetVehicleMods(),
                        VehDamageModel = veh.GetVehicleDamageModel(),
                        VehLandingGear = veh.IsPlane ? (byte)veh.LandingGearState : (byte)0,
                        Flag = player.GetVehicleFlags(veh)
                    }.PacketToNetOutGoingMessage(outgoingMessage);
                }
                else
                {
                    new Packets.FullSyncPlayer()
                    {
                        NetHandle = Main.LocalNetHandle,
                        PedHandle = player.Handle,
                        Health = player.Health,
                        ModelHash = player.Model.Hash,
                        Clothes = player.GetPedClothes(),
                        Position = player.Position.ToLVector(),
                        Rotation = player.Rotation.ToLVector(),
                        Velocity = player.Velocity.ToLVector(),
                        Speed = player.GetPedSpeed(),
                        AimCoords = player.GetPedAimCoords(false).ToLVector(),
                        CurrentWeaponHash = (uint)player.Weapons.Current.Hash,
                        WeaponComponents = player.Weapons.Current.GetWeaponComponents(),
                        Flag = player.GetPedFlags(true)
                    }.PacketToNetOutGoingMessage(outgoingMessage);
                }

                LastPlayerFullSync = Util.GetTickCount64();
            }
            else
            {
                messageType = NetDeliveryMethod.ReliableSequenced;
                connectionChannel = (byte)ConnectionChannel.PlayerLight;

                if (player.IsInVehicle())
                {
                    Vehicle veh = player.CurrentVehicle;

                    new Packets.LightSyncPlayerVeh()
                    {
                        NetHandle = Main.LocalNetHandle,
                        Health = player.Health,
                        VehModelHash = veh.Model.Hash,
                        VehSeatIndex = (short)player.SeatIndex,
                        Position = veh.Position.ToLVector(),
                        VehRotation = veh.Quaternion.ToLQuaternion(),
                        VehVelocity = veh.Velocity.ToLVector(),
                        VehSpeed = veh.Speed,
                        VehSteeringAngle = veh.SteeringAngle,
                        Flag = player.GetVehicleFlags(veh)
                    }.PacketToNetOutGoingMessage(outgoingMessage);
                }
                else
                {
                    new Packets.LightSyncPlayer()
                    {
                        NetHandle = Main.LocalNetHandle,
                        Health = player.Health,
                        Position = player.Position.ToLVector(),
                        Rotation = player.Rotation.ToLVector(),
                        Velocity = player.Velocity.ToLVector(),
                        Speed = player.GetPedSpeed(),
                        AimCoords = player.GetPedAimCoords(false).ToLVector(),
                        CurrentWeaponHash = (uint)player.Weapons.Current.Hash,
                        Flag = player.GetPedFlags(true)
                    }.PacketToNetOutGoingMessage(outgoingMessage);
                }
            }

            Client.SendMessage(outgoingMessage, messageType, connectionChannel);
            Client.FlushSendQueue();

            #if DEBUG
            if (ShowNetworkInfo)
            {
                BytesSend += outgoingMessage.LengthBytes;
            }
            #endif
        }

        public void SendNpcData(Ped npc)
        {
            NetOutgoingMessage outgoingMessage = Client.CreateMessage();

            if (npc.IsInVehicle())
            {
                Vehicle veh = npc.CurrentVehicle;

                byte primaryColor = 0;
                byte secondaryColor = 0;
                unsafe
                {
                    Function.Call<byte>(Hash.GET_VEHICLE_COLOURS, npc.CurrentVehicle, &primaryColor, &secondaryColor);
                }

                new Packets.FullSyncNpcVeh()
                {
                    NetHandle =  Main.LocalNetHandle + npc.Handle,
                    VehHandle = Main.LocalNetHandle + veh.Handle,
                    ModelHash = npc.Model.Hash,
                    Clothes = npc.GetPedClothes(),
                    Health = npc.Health,
                    VehModelHash = veh.Model.Hash,
                    VehSeatIndex = (short)npc.SeatIndex,
                    Position = veh.Position.ToLVector(),
                    VehRotation = veh.Quaternion.ToLQuaternion(),
                    VehEngineHealth = veh.EngineHealth,
                    VehRPM = veh.CurrentRPM,
                    VehVelocity = veh.Velocity.ToLVector(),
                    VehSpeed = veh.Speed,
                    VehSteeringAngle = veh.SteeringAngle,
                    VehColors = new byte[] { primaryColor, secondaryColor },
                    VehMods = veh.Mods.GetVehicleMods(),
                    VehDamageModel = veh.GetVehicleDamageModel(),
                    VehLandingGear = veh.IsPlane ? (byte)veh.LandingGearState : (byte)0,
                    Flag = npc.GetVehicleFlags(veh)
                }.PacketToNetOutGoingMessage(outgoingMessage);
            }
            else
            {
                new Packets.FullSyncNpc()
                {
                    NetHandle =  Main.LocalNetHandle + npc.Handle,
                    ModelHash = npc.Model.Hash,
                    Clothes = npc.GetPedClothes(),
                    Health = npc.Health,
                    Position = npc.Position.ToLVector(),
                    Rotation = npc.Rotation.ToLVector(),
                    Velocity = npc.Velocity.ToLVector(),
                    Speed = npc.GetPedSpeed(),
                    AimCoords = npc.GetPedAimCoords(true).ToLVector(),
                    CurrentWeaponHash = (uint)npc.Weapons.Current.Hash,
                    Flag = npc.GetPedFlags(true)
                }.PacketToNetOutGoingMessage(outgoingMessage);
            }

            Client.SendMessage(outgoingMessage, NetDeliveryMethod.Unreliable, (byte)ConnectionChannel.NPCFull);
            Client.FlushSendQueue();

            #if DEBUG
            if (ShowNetworkInfo)
            {
                BytesSend += outgoingMessage.LengthBytes;
            }
            #endif
        }

        public void SendChatMessage(string message)
        {
            NetOutgoingMessage outgoingMessage = Client.CreateMessage();

            new Packets.ChatMessage() { Username = Main.MainSettings.Username, Message = message }.PacketToNetOutGoingMessage(outgoingMessage);

            Client.SendMessage(outgoingMessage, NetDeliveryMethod.ReliableOrdered, (byte)ConnectionChannel.Chat);
            Client.FlushSendQueue();

            #if DEBUG
            if (ShowNetworkInfo)
            {
                BytesSend += outgoingMessage.LengthBytes;
            }
            #endif
        }

        public void SendModData(long target, string modName, byte customID, byte[] bytes)
        {
            NetOutgoingMessage outgoingMessage = Client.CreateMessage();
            new Packets.Mod()
            {
                NetHandle =  Main.LocalNetHandle,
                Target = target,
                Name = modName,
                CustomPacketID =  customID,
                Bytes = bytes
            }.PacketToNetOutGoingMessage(outgoingMessage);
            Client.SendMessage(outgoingMessage, NetDeliveryMethod.ReliableOrdered, (byte)ConnectionChannel.Mod);
            Client.FlushSendQueue();

            #if DEBUG
            if (ShowNetworkInfo)
            {
                BytesSend += outgoingMessage.LengthBytes;
            }
            #endif
        }

        public void SendDownloadFinish(byte id)
        {
            NetOutgoingMessage outgoingMessage = Client.CreateMessage();

            new Packets.FileTransferComplete() { ID = id }.PacketToNetOutGoingMessage(outgoingMessage);

            Client.SendMessage(outgoingMessage, NetDeliveryMethod.ReliableOrdered, (byte)ConnectionChannel.File);
            Client.FlushSendQueue();

#if DEBUG
            if (ShowNetworkInfo)
            {
                BytesSend += outgoingMessage.LengthBytes;
            }
#endif
        }
        #endregion
    }
}