Merge pull request #11874 from Ghommie/Ghommie-cit682

General taur visuals refactor and other things.

code/__DEFINES/inventory.dm

@@ -132,7 +132,7 @@
 #define FEMALE_UNIFORM_FULL			1
 #define FEMALE_UNIFORM_TOP			2
 
-//flags for outfits that have mutantrace variants: These are hard sprited too.
+//flags for outfits that have mutant race variants: Most of these require additional sprites to work.
 #define STYLE_DIGITIGRADE		(1<<0) //jumpsuits, suits and shoes
 #define STYLE_MUZZLE			(1<<1) //hats or masks
 #define STYLE_SNEK_TAURIC		(1<<2) //taur-friendly suits
@@ -140,6 +140,9 @@
 #define STYLE_HOOF_TAURIC		(1<<4)
 #define STYLE_ALL_TAURIC		(STYLE_SNEK_TAURIC|STYLE_PAW_TAURIC|STYLE_HOOF_TAURIC)
 #define STYLE_NO_ANTHRO_ICON	(1<<5) //When digis fit the default sprite fine and need no copypasted states. This is the case of skirts and winter coats, for example.
+#define USE_SNEK_CLIP_MASK		(1<<6)
+#define USE_QUADRUPED_CLIP_MASK	(1<<7)
+#define USE_TAUR_CLIP_MASK		(USE_SNEK_CLIP_MASK|USE_QUADRUPED_CLIP_MASK)
 
 //digitigrade legs settings.
 #define NOT_DIGITIGRADE				0

code/__DEFINES/layers_planes.dm

@@ -1,6 +1,8 @@
 //Defines for atom layers and planes
 //KEEP THESE IN A NICE ACSCENDING ORDER, PLEASE
 
+#define PLANE_VOID -100
+
 #define CLICKCATCHER_PLANE -99
 
 #define PLANE_SPACE -95

code/__DEFINES/misc.dm

@@ -35,15 +35,15 @@ Will print: "/mob/living/carbon/human/death" (you can optionally embed it in a s
 #define BODY_ADJ_LAYER			27		//certain mutantrace features (snout, body markings) that must appear above the body parts
 #define GENITALS_FRONT_LAYER	26		//Draws some genitalia above clothes and the TAUR body if need be.
 #define BODY_LAYER				25		//underwear, undershirts, socks, eyes, lips(makeup)
-#define FRONT_MUTATIONS_LAYER	24		//mutations that should appear above body, body_adj and bodyparts layer (e.g. laser eyes)
-#define DAMAGE_LAYER			23		//damage indicators (cuts and burns)
-#define UNIFORM_LAYER			22
-#define ID_LAYER				21
-#define HANDS_PART_LAYER		20
-#define SHOES_LAYER				19
-#define GLOVES_LAYER			18
-#define EARS_LAYER				17
-#define BODY_TAUR_LAYER			16
+#define BODY_ADJ_UPPER_LAYER	24
+#define FRONT_MUTATIONS_LAYER	23		//mutations that should appear above body, body_adj and bodyparts layer (e.g. laser eyes)
+#define DAMAGE_LAYER			22		//damage indicators (cuts and burns)
+#define UNIFORM_LAYER			21
+#define ID_LAYER				20
+#define HANDS_PART_LAYER		19
+#define SHOES_LAYER				18
+#define GLOVES_LAYER			17
+#define EARS_LAYER				16
 #define SUIT_LAYER				15
 #define GENITALS_EXPOSED_LAYER	14
 #define GLASSES_LAYER			13