"sv_disableChat" dvar

CHANGELOG.md

@@ -6,6 +6,7 @@ Versions in this file correspond to git tags.
 ## Unreleased
 ### Changes
 #### Makefiles
+Now you can use "sv_disableChat" dvar to disable chat messages on server (commands "$..." still available).
 incremental builds are now possible. `make -f makefile2` runs the new build scripts. appveyor and travis continuous integration services have been updated to the new buildprocess.
 
 ## 17.3

src/g_sv_cmds.c

@@ -585,6 +585,12 @@ __cdecl void G_Say(gentity_t *ent, gentity_t *target, int mode, const char *chat
         return;
     }
 
+    if (sv_disableChat->boolean == qtrue)
+    {
+        SV_GameSendServerCommand(ent->s.number, 0, "\x67 \"Chat messages disabled on this server\"");
+        return;
+    }
+
     switch (mode)
     {
     default:

src/server.h

@@ -829,6 +829,7 @@ extern cvar_t* sv_hostname;
 extern cvar_t* sv_shownet;
 extern cvar_t* sv_legacymode;
 extern cvar_t* sv_steamgroup;
+extern cvar_t* sv_disableChat;
 
 void __cdecl SV_StringUsage_f(void);
 void __cdecl SV_ScriptUsage_f(void);

src/sv_main.c

@@ -130,6 +130,7 @@ cvar_t* sv_shownet;
 cvar_t* sv_updatebackendname;
 cvar_t* sv_legacymode;
 cvar_t* sv_steamgroup;
+cvar_t* sv_disableChat;
 
 serverStaticExt_t	svse;	// persistant server info across maps
 permServerStatic_t	psvs;	// persistant even if server does shutdown
@@ -3087,6 +3088,7 @@ void SV_InitCvarsOnce(void){
     sv_shownet = Cvar_RegisterInt("sv_shownet", -1, -1, 63, 0, "Enable network debugging for a client");
     sv_updatebackendname = Cvar_RegisterString("sv_updatebackendname", UPDATE_PROXYSERVER_NAME, CVAR_ARCHIVE, "Hostname for the used clientupdatebackend");
     sv_legacymode = Cvar_RegisterBool("sv_legacyguidmode", qfalse, CVAR_ARCHIVE, "outputs pbguid on status command and games_mp.log");
+    sv_disableChat = Cvar_RegisterBool("sv_disablechat", qfalse, CVAR_ARCHIVE, "Disable chat messages from clients");
 }