engine: reset cheat cvars on remote games

engine/client/cl_main.c

@@ -1051,6 +1051,9 @@ void CL_SendConnectPacket( void )
 		input_devices = IN_CollectInputDevices();
 		IN_LockInputDevices( true );
 
+		Cvar_SetCheatState();
+		Cvar_FullSet( "sv_cheats", "0", FCVAR_READ_ONLY | FCVAR_SERVER );
+
 		Info_SetValueForKey( protinfo, "d", va( "%d", input_devices ), sizeof( protinfo ) );
 		Info_SetValueForKey( protinfo, "v", XASH_VERSION, sizeof( protinfo ) );
 		Info_SetValueForKey( protinfo, "b", va( "%d", Q_buildnum() ), sizeof( protinfo ) );

engine/server/server.h

@@ -441,6 +441,7 @@ extern convar_t		deathmatch;
 extern convar_t		hostname;
 extern convar_t		skill;
 extern convar_t		coop;
+extern convar_t		sv_cheats;
 
 extern	convar_t		*sv_pausable;		// allows pause in multiplayer
 extern	convar_t		*sv_check_errors;

engine/server/sv_init.c

@@ -877,6 +877,9 @@ qboolean SV_SpawnServer( const char *mapname, const char *startspot, qboolean ba
 	if( !SV_InitGame( ))
 		return false;
 
+	// unlock sv_cheats in local game
+	ClearBits( sv_cheats.flags, FCVAR_READ_ONLY );
+
 	svs.initialized = true;
 	Log_Open();
 	Log_Printf( "Loading map \"%s\"\n", mapname );