Porting updates related to material datums. (#12317)

* Porting updates related to material datums.

* art_type

* oh oh

code/__DEFINES/mobs.dm

@@ -126,6 +126,13 @@
 #define SCREWYHUD_DEAD 2
 #define SCREWYHUD_HEALTHY 3
 
+//Threshold levels for beauty for humans
+#define BEAUTY_LEVEL_HORRID -66
+#define BEAUTY_LEVEL_BAD -33
+#define BEAUTY_LEVEL_DECENT 33
+#define BEAUTY_LEVEL_GOOD 66
+#define BEAUTY_LEVEL_GREAT 100
+
 //Moods levels for humans
 #define MOOD_LEVEL_HAPPY4 15
 #define MOOD_LEVEL_HAPPY3 10

code/__DEFINES/traits.dm

@@ -182,6 +182,7 @@
 #define TRAIT_PARA              "paraplegic"
 #define TRAIT_EMPATH			"empath"
 #define TRAIT_FRIENDLY			"friendly"
+#define TRAIT_SNOB				"snob"
 #define TRAIT_CULT_EYES 		"cult_eyes"
 #define TRAIT_AUTO_CATCH_ITEM	"auto_catch_item"
 #define TRAIT_CLOWN_MENTALITY	"clown_mentality" // The future is now, clownman.