TcpServer's OnMessage is now an vector called OnMessageFunctions, each plugin will occupy an index in this vector

Readded receive_data method to VoidNetClient.hpp
Minor fixes

include/TcpServer.hpp

@@ -7,6 +7,7 @@
 
 #include "Defs.hpp"
 #include "TcpClient.hpp"
+#include "Handshake.hpp"
 
 #include <functional>
 
@@ -38,7 +39,7 @@ public:
 
 	const TcpClient &GetClientByID(uint16 id);
 
-	std::function<void(const NetworkMessage &message)> OnMessage; // this is going to be used for plugins
+	std::vector<std::function<void(const NetworkMessage &message)>> OnMessageFunctions; // this is going to be used for plugins
 
 private:
 	static void process_client_messages(TcpServer *server, TcpClient &client);

include/VoidNetClient.hpp

@@ -30,9 +30,10 @@ struct VoidNetClientAPI
 	static void Receive();
 
 private:
+	static void receive_data();
+
 	static TcpClient client;
 	static uint16 id;
-	static bool receive;
 };
 
 #endif

src/TcpClientWindows.cpp

@@ -55,8 +55,8 @@ void TcpClient::Shutdown()
 {
 	NetworkMessage message;
 	message.sender = id;
-	message.distribution_mode = static_cast<byte>(Server);
-	message.tag = static_cast<byte>(DISCONNECT);
+	message.distribution_mode = Server;
+	message.tag = DISCONNECT;
 	SendMessage(message);
 	uint16 code = closesocket(tcp_socket);
 	if (code == SOCKET_ERROR)

src/TcpServer.cpp

@@ -60,7 +60,8 @@ void TcpServer::SendMessage(const NetworkMessage & message)
 			if (message.sender != client.GetID())
 				client.SendMessage(message);
 		}
-		OnMessage(message);
+		for (uint16 i = 0; i < OnMessageFunctions.size(); i++)
+			OnMessageFunctions[i](message);
 		break;
 	}
 	case AllAndMe: // this will send the message to EVERYONE including the user that sent it
@@ -70,14 +71,16 @@ void TcpServer::SendMessage(const NetworkMessage & message)
 			TcpClient client = *it;
 			client.SendMessage(message);
 		}
-		OnMessage(message);
+		for (uint16 i = 0; i < OnMessageFunctions.size(); i++)
+			OnMessageFunctions[i](message);
 		break;
 	}
 	case Server: // this will only send the message to the server
 	{
 		if (message.tag == DISCONNECT)
 			CloseSocket(message.sender);
-		OnMessage(message);
+		for (uint16 i = 0; i < OnMessageFunctions.size(); i++)
+			OnMessageFunctions[i](message);
 		break;
 	}
 	case Others: // this will send the message to others, excluding server and the user that sent it
@@ -106,7 +109,7 @@ void TcpServer::SendMessage(const NetworkMessage & message)
 	}
 }
 
-void TcpServer::SendHandshake(const Handshake &handshake)
+void TcpServer::SendHandshake(const Handshake & handshake)
 {
 	switch (handshake.distribution_mode)
 	{

src/VoidNetClient.cpp

@@ -52,11 +52,15 @@ void VoidNetClientAPI::SendMessage(byte distribution_mode, uint16 destination_id
 
 void VoidNetClientAPI::Receive()
 {
-	std::async(std::launch::async, &client.ReceiveMessages);
+	std::async(std::launch::async, &receive_data);
+}
+
+void VoidNetClientAPI::receive_data()
+{
+	client.ReceiveMessages();
 }
 
 void VoidNetClientAPI::Disconnect()
 {
-	receive = false;
-	SendMessageToServer
+	client.Shutdown();
 }