net: Add reason in the exit message

This avoid "you been kicked" after leaving a game

Author: IonAgorria

Source/Network/CommonEvents.h

@@ -121,16 +121,28 @@ struct terEventPing : netCommandGeneral
 
 struct netCommand4G_Exit : netCommandGeneral
 {
+    enum ExitReason {
+        EXITREASON_NORMAL = 0,
+        EXITREASON_DROPPED,
+        EXITREASON_KICKED,
+    };
+
     NETID netid;
-    explicit netCommand4G_Exit(NETID netid_) : netCommandGeneral(NETCOM_4G_ID_EXIT), netid(netid_) {
+    ExitReason reason = EXITREASON_NORMAL;
+    
+    explicit netCommand4G_Exit(NETID netid_, ExitReason reason_) : netCommandGeneral(NETCOM_4G_ID_EXIT), netid(netid_), reason(reason_) {
     }
 
     explicit netCommand4G_Exit(XBuffer& in) : netCommandGeneral(NETCOM_4G_ID_EXIT) {
         in.read(&netid, sizeof(netid));
+        uint32_t tmp = 0;
+        in.read(&tmp, sizeof(tmp));
+        reason = static_cast<ExitReason>(tmp);
     }
 
     void Write(XBuffer& out) const override {
         out.write(&netid, sizeof(netid));
+        out.write(&reason, sizeof(uint32_t));
     }
 };
 

Source/Network/P2P_interface1Th.cpp

@@ -343,11 +343,12 @@ void PNetCenter::HandlerInputNetCommand()
             netCommand4G_Exit nc4g_exit(in_ClientBuf);
             //Host already does this before relaying to itself
             if (!isHost()) {
-                if (nc4g_exit.netid == m_localNETID) {
+                if (nc4g_exit.netid == m_localNETID && nc4g_exit.reason == netCommand4G_Exit::EXITREASON_KICKED) {
                     ExecuteInternalCommand(PNC_COMMAND__RESET, false);
                     ExecuteInterfaceCommand(PNC_INTERFACE_COMMAND_KICKED);
                 } else {
-                    ExitClient(nc4g_exit.netid);
+                    bool normal = nc4g_exit.reason == netCommand4G_Exit::EXITREASON_NORMAL;
+                    DeleteClient(nc4g_exit.netid, normal);
                 }
             }
             break;

Source/Network/P2P_interface2Th.cpp

@@ -263,7 +263,7 @@ void PNetCenter::SecondThreadQuant()
                     }
 
                     //Send exit event to everyone connected (host or clients)
-                    netCommand4G_Exit ex(m_localNETID);
+                    netCommand4G_Exit ex(m_localNETID, netCommand4G_Exit::EXITREASON_NORMAL);
                     SendEvent(ex, NETID_ALL);
                     LogMsg("Sent Exit packets to NETID_ALL\n");
                 }

Source/Network/P2P_interface2Th_Host.cpp

@@ -901,7 +901,8 @@ void PNetCenter::hostProcessPlayerClientPackets(PClientData* client) {
                 xassert(event.netid == netid);
                 if (event.netid == netid) {
                     SendEvent(event, NETID_ALL);
-                    ExitClient(netid);
+                    bool normal = event.reason == netCommand4G_Exit::EXITREASON_NORMAL;
+                    DeleteClient(netid, normal);
                 }
             }
                 break;

Source/Network/P2P_interface2Th_NetConn.cpp

@@ -15,7 +15,7 @@ void PNetCenter::SetConnectionTimeout(int _ms) {
 void PNetCenter::KickPlayer(NETID netid) {
     fprintf(stdout, "KickPlayer: 0x%" PRIX64 "\n", netid);
 
-    netCommand4G_Exit ex(netid);
+    netCommand4G_Exit ex(netid, netCommand4G_Exit::EXITREASON_KICKED);
     SendEvent(ex, netid);
 
     RemovePlayer(netid);