feat: sar_netmessage_enable

rex

docs/cvars.md

@@ -341,6 +341,7 @@
 |sar_mtrigger_legacy_format|!seg -> !tt (!st)|Formatting of the text that is displayed in the chat (!map - for map name, !seg - for segment name, !tt - for total time, !st - for split time).|
 |sar_mtrigger_legacy_textcolor|255 176 0|The color of the text that is displayed in the chat.|
 |sar_netmessage_debug|0|Debug NetMessages.|
+|sar_netmessage_enable|1|Enable sending NetMessages. Disabling this can break other features.|
 |sar_nextdemo|cmd|sar_nextdemo - plays the next demo in demo queue|
 |sar_on_cfg_message|cmd|sar_on_cfg_message \<command> [args]... - registers a command to be run when partner sends a custom message (_sar_cfg_message svar)|
 |sar_on_cfg_message_clear|cmd|sar_on_cfg_message_clear - clears commands registered on event "cfg_message"|

src/Features/NetMessage.cpp

@@ -25,6 +25,7 @@ bool g_partnerHasSAR = false;
 bool g_session_init = false;
 
 Variable sar_netmessage_debug("sar_netmessage_debug", "0", "Debug NetMessages.\n");
+Variable sar_netmessage_enable("sar_netmessage_enable", "1", "Enable sending NetMessages. Disabling this can break other features.\n");
 
 static size_t g_expected_len = 0;
 static std::string g_partial;
@@ -179,6 +180,10 @@ void NetMessage::SendMsg(const char *type, const void *data, size_t size) {
 		return;
 	}
 
+	if (!sar_netmessage_enable.GetBool()) {
+		return;
+	}
+
 	// If the partner doesn't have SAR, don't send messages
 	if (!readyToSend()) {
 		if (sar_netmessage_debug.GetBool()) {