Refactors MMI.dm to remove type-checks for brain sprites,

aside from the xeno brain, which does other stuff within its type check.

Signed-off-by: HugoLuman <qaggeler@uci.edu>

code/modules/mob/living/carbon/brain/MMI.dm

@@ -44,19 +44,15 @@
 		user.drop_item()
 		B.forceMove(src)
 		held_brain = B
-		if(istype(O,/obj/item/organ/internal/brain/xeno)) // I'm not sure how well this will work now, since I don't think you can actually get xeno brains
+		if(istype(O,/obj/item/organ/internal/brain/xeno)) // kept the type check, as it still does other weird stuff
 			name = "Man-Machine Interface: Alien - [brainmob.real_name]"
 			icon = 'icons/mob/alien.dmi'
 			icon_state = "AlienMMI"
 			alien = 1
-		else if(istype(O,/obj/item/organ/internal/brain/drask))
-			name = "Man-Machine Interface: [brainmob.real_name]"
-			icon = 'icons/obj/surgery_drask.dmi'
-			icon_state = "mmi_full"
-			alien = 0
 		else
 			name = "Man-Machine Interface: [brainmob.real_name]"
-			icon_state = "mmi_full"
+			icon = B.mmi_icon
+			icon_state = "[B.mmi_icon_state]"
 			alien = 0
 		feedback_inc("cyborg_mmis_filled",1)
 

code/modules/mob/living/carbon/brain/brain_item.dm

@@ -15,6 +15,8 @@
 	parent_organ = "head"
 	slot = "brain"
 	vital = 1
+	var/mmi_icon = 'icons/obj/assemblies.dmi'
+	var/mmi_icon_state = "mmi_full"
 
 /obj/item/organ/internal/brain/surgeryize()
 	if(!owner)
@@ -27,6 +29,8 @@
 	desc = "We barely understand the brains of terrestial animals. Who knows what we may find in the brain of such an advanced species?"
 	icon_state = "brain-x"
 	origin_tech = "biotech=7"
+	mmi_icon = 'icons/mob/alien.dmi'
+	mmi_icon_state = "AlienMMI"
 
 /obj/item/organ/internal/brain/New()
 	..()
@@ -107,6 +111,7 @@
 	desc = "A complex, organic knot of jelly and crystalline particles."
 	icon = 'icons/mob/slimes.dmi'
 	icon_state = "green slime extract"
+	mmi_icon_state = "slime_mmi"
 //	parent_organ = "chest" Hello I am from the ministry of rubber forehead aliens how are you
 
 /obj/item/organ/brain/slime/take_damage(var/amount, var/silent = 1)

code/modules/surgery/organs/subtypes/drask.dm

@@ -38,6 +38,8 @@
 	icon_state = "brain2"
 	organ_tag = "brain"
 	slot = "brain"
+	mmi_icon = 'icons/obj/surgery_drask.dmi'
+	mmi_icon_state = "mmi_full"
 
 /obj/item/organ/internal/eyes/drask
 	name = "eyes"