"sv_disableChat" dvar

from master

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

@@ -553,6 +553,12 @@ __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

@@ -782,6 +782,7 @@ __cdecl qboolean SV_GameCommand(void);
 void SV_GetConfigstring( int index, char *buffer, int bufferSize );
 int SV_GetConfigstringIndex(int num);
 int SV_GetModelConfigstringIndex(int num);
+extern cvar_t* sv_disableChat;
 void __cdecl SV_StringUsage_f(void);
 void __cdecl SV_ScriptUsage_f(void);
 void __cdecl SV_BeginClientSnapshot( client_t *cl, msg_t* msg);

src/sv_main.c

@@ -135,6 +135,7 @@ cvar_t* sv_updatebackendname;
 cvar_t* sv_legacymode;
 cvar_t* sv_steamgroup;
 cvar_t* sv_authtoken;
+cvar_t* sv_disableChat;
 
 serverStatic_t		svs;
 server_t		sv;
@@ -3172,6 +3173,7 @@ void SV_InitCvarsOnce(void){
     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_authtoken = Cvar_RegisterString("sv_authtoken", "", 0, "Token to register on masterserver. You can get it from http://cod4master.cod4x.me");
+    sv_disableChat = Cvar_RegisterBool("sv_disablechat", qfalse, CVAR_ARCHIVE, "Disable chat messages from clients");
 }