Merge pull request #10056 from Ghommie/Ghommie-cit430

Ports "Slightly improves visible and audible messages."

code/__DEFINES/combat.dm

@@ -98,6 +98,7 @@
 
 //the define for visible message range in combat
 #define COMBAT_MESSAGE_RANGE 3
+#define DEFAULT_MESSAGE_RANGE 7
 
 //Shove knockdown lengths (deciseconds)
 #define SHOVE_KNOCKDOWN_SOLID 30

code/__DEFINES/say.dm

@@ -84,3 +84,7 @@
 #define MAX_NAME_LEN			42
 #define MAX_BROADCAST_LEN		512
 #define MAX_CHARTER_LEN			80
+
+// Audio/Visual Flags. Used to determine what sense are required to notice a message.
+#define MSG_VISUAL (1<<0)
+#define MSG_AUDIBLE (1<<1)