Removed Windows-specific IPX and TCP/IP LAN drivers from the project and replaced them with a UniQuake net implementation that doesn't actually have any LAN drivers, i.e. only local loopback connections will work.

engine/Quake/net_dgrm.c

@@ -20,7 +20,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
 // This is enables a simple IP banning mechanism
-#define BAN_TEST
+//#define BAN_TEST
 
 #include "q_stdinc.h"
 #include "arch_def.h"

engine/UniQuake/net_uniquake.c

@@ -0,0 +1,70 @@
+/*
+Copyright (C) 1996-2001 Id Software, Inc.
+Copyright (C) 2010-2014 QuakeSpasm developers
+Copyright (C) 2021 Nico de Poel
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#include "q_stdinc.h"
+#include "arch_def.h"
+#include "net_sys.h"
+#include "quakedef.h"
+#include "net_defs.h"
+
+#include "net_dgrm.h"
+#include "net_loop.h"
+
+net_driver_t net_drivers[] =
+{
+	{	"Loopback",
+		false,
+		Loop_Init,
+		Loop_Listen,
+		Loop_SearchForHosts,
+		Loop_Connect,
+		Loop_CheckNewConnections,
+		Loop_GetMessage,
+		Loop_SendMessage,
+		Loop_SendUnreliableMessage,
+		Loop_CanSendMessage,
+		Loop_CanSendUnreliableMessage,
+		Loop_Close,
+		Loop_Shutdown
+	},
+
+	{	"Datagram",
+		false,
+		Datagram_Init,
+		Datagram_Listen,
+		Datagram_SearchForHosts,
+		Datagram_Connect,
+		Datagram_CheckNewConnections,
+		Datagram_GetMessage,
+		Datagram_SendMessage,
+		Datagram_SendUnreliableMessage,
+		Datagram_CanSendMessage,
+		Datagram_CanSendUnreliableMessage,
+		Datagram_Close,
+		Datagram_Shutdown
+	}
+};
+
+const int net_numdrivers = (sizeof(net_drivers) / sizeof(net_drivers[0]));
+
+net_landriver_t	net_landrivers[] = { 0 };
+const int net_numlandrivers = 0;

engine/Windows/VisualStudio/uniquake.vcxproj

@@ -324,9 +324,6 @@ copy "$(SolutionDir)\..\SDL2\lib64\*.dll" "$(TargetDir)"</Command>
     <ClCompile Include="..\..\Quake\net_dgrm.c" />
     <ClCompile Include="..\..\Quake\net_loop.c" />
     <ClCompile Include="..\..\Quake\net_main.c" />
-    <ClCompile Include="..\..\Quake\net_win.c" />
-    <ClCompile Include="..\..\Quake\net_wins.c" />
-    <ClCompile Include="..\..\Quake\net_wipx.c" />
     <ClCompile Include="..\..\Quake\pl_win.c" />
     <ClCompile Include="..\..\Quake\pr_cmds.c" />
     <ClCompile Include="..\..\Quake\pr_edict.c" />
@@ -363,6 +360,7 @@ copy "$(SolutionDir)\..\SDL2\lib64\*.dll" "$(TargetDir)"</Command>
     <ClCompile Include="..\..\Quake\world.c" />
     <ClCompile Include="..\..\Quake\zone.c" />
     <ClCompile Include="..\..\UniQuake\gl_uniquake.c" />
+    <ClCompile Include="..\..\UniQuake\net_uniquake.c" />
     <ClCompile Include="..\..\UniQuake\sys_uniquake.c" />
     <ClCompile Include="..\..\UniQuake\uniquake.c" />
   </ItemGroup>
@@ -403,8 +401,6 @@ copy "$(SolutionDir)\..\SDL2\lib64\*.dll" "$(TargetDir)"</Command>
     <ClInclude Include="..\..\Quake\net_dgrm.h" />
     <ClInclude Include="..\..\Quake\net_loop.h" />
     <ClInclude Include="..\..\Quake\net_sys.h" />
-    <ClInclude Include="..\..\Quake\net_wins.h" />
-    <ClInclude Include="..\..\Quake\net_wipx.h" />
     <ClInclude Include="..\..\Quake\platform.h" />
     <ClInclude Include="..\..\Quake\progdefs.h" />
     <ClInclude Include="..\..\Quake\progs.h" />

engine/Windows/VisualStudio/uniquake.vcxproj.filters

@@ -112,15 +112,6 @@
     <ClCompile Include="..\..\Quake\net_main.c">
       <Filter>engine</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\Quake\net_win.c">
-      <Filter>engine</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\Quake\net_wins.c">
-      <Filter>engine</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\Quake\net_wipx.c">
-      <Filter>engine</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\Quake\pl_win.c">
       <Filter>engine</Filter>
     </ClCompile>
@@ -238,6 +229,9 @@
     <ClCompile Include="..\..\Quake\snd_codec.c">
       <Filter>obsolete</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\UniQuake\net_uniquake.c">
+      <Filter>uniquake</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\Quake\anorm_dots.h">
@@ -327,12 +321,6 @@
     <ClInclude Include="..\..\Quake\net_sys.h">
       <Filter>engine</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\Quake\net_wins.h">
-      <Filter>engine</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\Quake\net_wipx.h">
-      <Filter>engine</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\Quake\platform.h">
       <Filter>engine</Filter>
     </ClInclude>