adds EMOTE_BOTH and EMOTE_OMNI which is both audible/visible and ignores checks entirely. subtler/subtle is omni and regular emotes are both. (#13584)

* Update say.dm

* Update mob.dm

* Update emotes.dm

* Update say_vr.dm

* Update emote.dm

* Update emotes.dm

* Update mob.dm

* Update say_vr.dm

* Update drake.dm

code/__DEFINES/say.dm

@@ -76,8 +76,14 @@
 #define LINGHIVE_LINK 3
 
 //whether the emote is visible or audible.
+// Requires sight
 #define EMOTE_VISIBLE 1
+// Requires hearing
 #define EMOTE_AUDIBLE 2
+// Requires sight or hearing
+#define EMOTE_BOTH 3
+// Always able to be seen
+#define EMOTE_OMNI 4
 
 //Don't set this very much higher then 1024 unless you like inviting people in to dos your server with message spam
 #define MAX_MESSAGE_LEN			2048		//Citadel edit: What's the WORST that could happen?
@@ -89,4 +95,4 @@
 
 // Audio/Visual Flags. Used to determine what sense are required to notice a message.
 #define MSG_VISUAL (1<<0)
-#define MSG_AUDIBLE (1<<1)
+#define MSG_AUDIBLE (1<<1)