[General] Add server script functions for banning & unbanning IPs

Additionally, use a more informative message for the client when trying to connecting to a server that it is banned from.

apps/openmw-mp/Networking.cpp

@@ -477,6 +477,16 @@ void Networking::kickPlayer(RakNet::RakNetGUID guid)
     peer->CloseConnection(guid, true);
 }
 
+void Networking::banAddress(const char *ipAddress)
+{
+    peer->AddToBanList(ipAddress);
+}
+
+void Networking::unbanAddress(const char *ipAddress)
+{
+    peer->RemoveFromBanList(ipAddress);
+}
+
 unsigned short Networking::numberOfConnections() const
 {
     return peer->NumberOfConnections();

apps/openmw-mp/Networking.hpp

@@ -23,6 +23,9 @@ namespace  mwmp
         void newPlayer(RakNet::RakNetGUID guid);
         void disconnectPlayer(RakNet::RakNetGUID guid);
         void kickPlayer(RakNet::RakNetGUID guid);
+        
+        void banAddress(const char *ipAddress);
+        void unbanAddress(const char *ipAddress);
         RakNet::SystemAddress getSystemAddress(RakNet::RakNetGUID guid);
 
         void processPlayerPacket(RakNet::Packet *packet);

apps/openmw-mp/Script/ScriptFunctions.cpp

@@ -108,6 +108,16 @@ void ScriptFunctions::Kick(unsigned short pid) noexcept
     mwmp::Networking::getPtr()->kickPlayer(player->guid);
 }
 
+void ScriptFunctions::BanAddress(const char *ipAddress) noexcept
+{
+    mwmp::Networking::getPtr()->banAddress(ipAddress);
+}
+
+void ScriptFunctions::UnbanAddress(const char *ipAddress) noexcept
+{
+    mwmp::Networking::getPtr()->unbanAddress(ipAddress);
+}
+
 const char *ScriptFunctions::GetServerVersion() noexcept
 {
     return TES3MP_VERSION;
@@ -126,6 +136,14 @@ int ScriptFunctions::GetAvgPing(unsigned short pid) noexcept
     return mwmp::Networking::get().getAvgPing(player->guid);
 }
 
+const char *ScriptFunctions::GetIP(unsigned short pid) noexcept
+{
+    Player *player;
+    GET_PLAYER(pid, player, "");
+    RakNet::SystemAddress addr = mwmp::Networking::getPtr()->getSystemAddress(player->guid);
+    return addr.ToString(false);
+}
+
 void ScriptFunctions::SetModname(const char *name) noexcept
 {
     mwmp::Networking::getPtr()->getMasterClient()->SetModname(name);
@@ -154,11 +172,3 @@ void ScriptFunctions::SetRuleValue(const char *key, double value) noexcept
     if (mc)
         mc->SetRuleValue(key, value);
 }
-
-const char *ScriptFunctions::GetIP(unsigned short pid) noexcept
-{
-    Player *player;
-    GET_PLAYER(pid, player, "");
-    RakNet::SystemAddress addr = mwmp::Networking::getPtr()->getSystemAddress(player->guid);
-    return addr.ToString(false);
-}

apps/openmw-mp/Script/ScriptFunctions.hpp

@@ -69,11 +69,14 @@ public:
     static void FreeTimer(int timerId) noexcept;
     static bool IsTimerElapsed(int timerId) noexcept;
 
-    static const char* GetIP(unsigned short pid) noexcept;
     static void Kick(unsigned short pid) noexcept;
+    static void BanAddress(const char *ipAddress) noexcept;
+    static void UnbanAddress(const char *ipAddress) noexcept;
+
     static const char *GetServerVersion() noexcept;
     static const char *GetProtocolVersion() noexcept;
     static int GetAvgPing(unsigned short pid) noexcept;
+    static const char* GetIP(unsigned short pid) noexcept;
     static void SetModname(const char* name) noexcept;
     static void SetHostname(const char* name) noexcept;
     static void SetServerPassword(const char *passw) noexcept;
@@ -95,7 +98,11 @@ public:
             {"StopServer",          ScriptFunctions::StopServer},
 
             {"SendMessage",         ScriptFunctions::SendMessage},
+
             {"Kick",                ScriptFunctions::Kick},
+            {"BanAddress",          ScriptFunctions::BanAddress},
+            {"UnbanAddress",        ScriptFunctions::UnbanAddress},
+
             {"GetServerVersion",    ScriptFunctions::GetServerVersion},
             {"GetProtocolVersion",  ScriptFunctions::GetProtocolVersion},
             {"GetAvgPing",          ScriptFunctions::GetAvgPing},

apps/openmw/mwmp/Networking.cpp

@@ -295,7 +295,7 @@ void Networking::connect(const std::string &ip, unsigned short port, std::vector
                 case ID_DISCONNECTION_NOTIFICATION:
                     throw runtime_error("ID_DISCONNECTION_NOTIFICATION.\n");
                 case ID_CONNECTION_BANNED:
-                    throw runtime_error("ID_CONNECTION_BANNED.\n");
+                    throw runtime_error("You have been banned from this server.\n");
                 case ID_CONNECTION_LOST:
                     throw runtime_error("ID_CONNECTION_LOST.\n");
                 default: