Merge pull request #4061 from VOREStation/upstream-merge-5423

[MIRROR] Implements ways to make floors not get dirty

code/modules/mob/living/living.dm

@@ -1277,4 +1277,8 @@ default behaviour is:
 
 
 /mob/living/proc/has_vision()
-	return !(eye_blind || (disabilities & BLIND) || stat || blinded)
+	return !(eye_blind || (disabilities & BLIND) || stat || blinded)
+
+
+/mob/living/proc/dirties_floor()	// If we ever decide to add fancy conditionals for making dirty floors (floating, etc), here's the proc.
+	return makes_dirt

code/modules/mob/living/living_defines.dm

@@ -16,7 +16,6 @@
 	var/brainloss = 0	//'Retardation' damage caused by someone hitting you in the head with a bible or being infected with brainrot.
 	var/halloss = 0		//Hallucination damage. 'Fake' damage obtained through hallucinating or the holodeck. Sleeping should cause it to wear off.
 
-
 	var/hallucination = 0 //Directly affects how long a mob will hallucinate for
 	var/list/atom/hallucinations = list() //A list of hallucinated people that try to attack the mob. See /obj/effect/fake_attacker in hallucinations.dm
 
@@ -59,3 +58,5 @@
 
 	var/list/hud_list		//Holder for health hud, status hud, wanted hud, etc (not like inventory slots)
 	var/has_huds = FALSE	//Whether or not we should bother initializing the above list
+
+	var/makes_dirt = TRUE	//FALSE if the mob shouldn't be making dirt on the ground when it walks