316 lines
11 KiB
C#

using System;
using System.Collections.Generic;
using RageCoop.Core;
using Lidgren.Network;
using GTA.Math;
using RageCoop.Core.Scripting;
using System.Security.Cryptography;
namespace RageCoop.Server
{
public class ServerPed
{
/// <summary>
/// The ID of the ped's last vehicle.
/// </summary>
public int VehicleID { get; internal set; }
public Vector3 Position { get; internal set; }
public int Health { get; internal set; }
}
public class PlayerConfig
{
#region CLIENT
public bool EnableAutoRespawn { get; set; }=true;
#endregion
public bool ShowBlip { get; set; } = true;
public bool ShowNameTag { get; set; } = true;
public GTA.BlipColor BlipColor { get; set; } = GTA.BlipColor.White;
public PlayerConfigFlags GetFlags()
{
var flag=PlayerConfigFlags.None;
if (ShowBlip)
{
flag|= PlayerConfigFlags.ShowBlip;
}
if (ShowNameTag)
{
flag |= PlayerConfigFlags.ShowNameTag;
}
return flag;
}
}
public class Client
{
private readonly Server Server;
internal Client(Server server)
{
Server=server;
}
internal long NetID = 0;
public NetConnection Connection { get;internal set; }
public ServerPed Player { get; internal set; }
public float Latency { get; internal set; }
public int ID { get; internal set; }
private PlayerConfig _config { get; set; }=new PlayerConfig();
public PlayerConfig Config { get { return _config; }set { _config=value;Server.SendPlayerInfos(); } }
internal readonly Dictionary<int, Action<object>> Callbacks = new();
public bool IsReady { get; internal set; }=false;
public string Username { get;internal set; } = "N/A";
#region CUSTOMDATA FUNCTIONS
/*
public void SetData<T>(string name, T data)
{
if (HasData(name))
{
_customData[name] = data;
}
else
{
_customData.Add(name, data);
}
}
public bool HasData(string name)
{
return _customData.ContainsKey(name);
}
public T GetData<T>(string name)
{
return HasData(name) ? (T)_customData[name] : default;
}
public void RemoveData(string name)
{
if (HasData(name))
{
_customData.Remove(name);
}
}
*/
#endregion
#region FUNCTIONS
public void Kick(string reason="You have been kicked!")
{
Connection?.Disconnect(reason);
}
public void Kick(params string[] reasons)
{
Kick(string.Join(" ", reasons));
}
public void SendChatMessage(string message, string from = "Server")
{
try
{
NetConnection userConnection = Server.MainNetServer.Connections.Find(x => x.RemoteUniqueIdentifier == NetID);
if (userConnection == null)
{
return;
}
Server.SendChatMessage(from, message, userConnection);
}
catch (Exception e)
{
Server.Logger?.Error($">> {e.Message} <<>> {e.Source ?? string.Empty} <<>> {e.StackTrace ?? string.Empty} <<");
}
}
/*
/// <summary>
/// Send a native call to client and ignore its return value.
/// </summary>
/// <param name="hash">The function's hash</param>
/// <param name="args">Arguments</param>
public void SendNativeCall(ulong hash, params object[] args)
{
try
{
NetConnection userConnection = Server.MainNetServer.Connections.Find(x => x.RemoteUniqueIdentifier == NetID);
if (userConnection == null)
{
Server.Logger?.Error($"[Client->SendNativeCall(ulong hash, params object[] args)]: Connection \"{NetID}\" not found!");
return;
}
if (args != null && args.Length == 0)
{
Server.Logger?.Error($"[Client->SendNativeCall(ulong hash, Dictionary<string, object> args)]: Missing arguments!");
return;
}
Packets.NativeCall packet = new()
{
Hash = hash,
Args = new List<object>(args) ?? new List<object>(),
};
NetOutgoingMessage outgoingMessage = Server.MainNetServer.CreateMessage();
packet.Pack(outgoingMessage);
Server.MainNetServer.SendMessage(outgoingMessage, userConnection, NetDeliveryMethod.ReliableOrdered, (byte)ConnectionChannel.Native);
}
catch (Exception e)
{
Server.Logger?.Error($">> {e.Message} <<>> {e.Source ?? string.Empty} <<>> {e.StackTrace ?? string.Empty} <<");
}
}
/// <summary>
/// Send a native call to client and do a callback when the response is received.
/// </summary>
/// <param name="callback">The callback to be invoked when the response is received.</param>
/// <param name="hash">The function's hash</param>
/// <param name="returnType">The return type of the response</param>
/// <param name="args">Arguments</param>
public void SendNativeCallWithResponse(Action<object> callback, GTA.Native.Hash hash, Type returnType, params object[] args)
{
try
{
NetConnection userConnection = Server.MainNetServer.Connections.Find(x => x.RemoteUniqueIdentifier == NetID);
if (userConnection == null)
{
Server.Logger?.Error($"[Client->SendNativeResponse(Action<object> callback, ulong hash, Type type, params object[] args)]: Connection \"{NetID}\" not found!");
return;
}
if (args != null && args.Length == 0)
{
Server.Logger?.Error($"[Client->SendNativeCall(ulong hash, Dictionary<string, object> args)]: Missing arguments!");
return;
}
long id = ++_callbacksCount;
Callbacks.Add(id, callback);
byte returnTypeValue = 0x00;
if (returnType == typeof(int))
{
// NOTHING BECAUSE VALUE IS 0x00
}
else if (returnType == typeof(bool))
{
returnTypeValue = 0x01;
}
else if (returnType == typeof(float))
{
returnTypeValue = 0x02;
}
else if (returnType == typeof(string))
{
returnTypeValue = 0x03;
}
else if (returnType == typeof(Vector3))
{
returnTypeValue = 0x04;
}
else
{
Server.Logger?.Error($"[Client->SendNativeCall(ulong hash, Dictionary<string, object> args)]: Missing return type!");
return;
}
NetOutgoingMessage outgoingMessage = Server.MainNetServer.CreateMessage();
new Packets.NativeResponse()
{
Hash = (ulong)hash,
Args = new List<object>(args) ?? new List<object>(),
ResultType = returnTypeValue,
ID = id
}.Pack(outgoingMessage);
Server.MainNetServer.SendMessage(outgoingMessage, userConnection, NetDeliveryMethod.ReliableOrdered, (byte)ConnectionChannel.Native);
}
catch (Exception e)
{
Server.Logger?.Error($">> {e.Message} <<>> {e.Source ?? string.Empty} <<>> {e.StackTrace ?? string.Empty} <<");
}
}
*/
/// <summary>
/// Send a native call to client and do a callback when the response received.
/// </summary>
/// <typeparam name="T">Type of the response</typeparam>
/// <param name="callBack"></param>
/// <param name="hash"></param>
/// <param name="args"></param>
public void SendNativeCall<T>(Action<object> callBack, GTA.Native.Hash hash, params object[] args)
{
var argsList= new List<object>(args);
argsList.InsertRange(0, new object[] { (byte)Type.GetTypeCode(typeof(T)), RequestNativeCallID<T>(callBack), (ulong)hash });
SendCustomEvent(CustomEvents.NativeCall, argsList);
}
/// <summary>
/// Send a native call to client and ignore it's response.
/// </summary>
/// <param name="hash"></param>
/// <param name="args"></param>
public void SendNativeCall(GTA.Native.Hash hash, params object[] args)
{
var argsList = new List<object>(args);
argsList.InsertRange(0, new object[] { (byte)TypeCode.Empty,(ulong)hash});
// Server.Logger?.Debug(argsList.DumpWithType());
SendCustomEvent(CustomEvents.NativeCall, argsList);
}
private int RequestNativeCallID<T>(Action<object> callback)
{
int ID = 0;
lock (Callbacks)
{
while ((ID==0)
|| Callbacks.ContainsKey(ID))
{
byte[] rngBytes = new byte[4];
RandomNumberGenerator.Create().GetBytes(rngBytes);
// Convert the bytes into an integer
ID = BitConverter.ToInt32(rngBytes, 0);
}
Callbacks.Add(ID, callback);
}
return ID;
}
public void SendCleanUpWorld()
{
NetConnection userConnection = Server.MainNetServer.Connections.Find(x => x.RemoteUniqueIdentifier == NetID);
if (userConnection == null)
{
Server.Logger?.Error($"[Client->SendCleanUpWorld()]: Connection \"{NetID}\" not found!");
return;
}
NetOutgoingMessage outgoingMessage = Server.MainNetServer.CreateMessage();
outgoingMessage.Write((byte)PacketTypes.CleanUpWorld);
Server.MainNetServer.SendMessage(outgoingMessage, userConnection, NetDeliveryMethod.ReliableOrdered, (byte)ConnectionChannel.Default);
}
public void SendCustomEvent(int id,List<object> args)
{
if (!IsReady)
{
Server.Logger?.Warning($"Player \"{Username}\" is not ready!");
}
try
{
NetOutgoingMessage outgoingMessage = Server.MainNetServer.CreateMessage();
new Packets.CustomEvent()
{
Hash=id,
Args=args
}.Pack(outgoingMessage);
Server.MainNetServer.SendMessage(outgoingMessage, Connection, NetDeliveryMethod.ReliableOrdered, (byte)ConnectionChannel.Event);
}
catch (Exception ex)
{
Server.Logger?.Error(ex);
}
}
#endregion
}
}