Mobs will now slowly bop up and down while in zero gravity.

Conflicts:
	code/game/area/areas.dm
	code/game/turfs/turf.dm
	code/modules/clothing/shoes/magboots.dm
	code/modules/mob/living/carbon/human/human_movement.dm
	code/modules/mob/living/living.dm
	code/modules/mob/living/living_defines.dm
	code/modules/mob/mob_movement.dm
	code/modules/power/gravitygenerator.dm

code/modules/mob/living/carbon/human/human_movement.dm

@@ -104,3 +104,12 @@
 
 	prob_slip = round(prob_slip)
 	return(prob_slip)
+
+/mob/living/carbon/human/mob_has_gravity()
+	. = ..()
+	if(!.)
+		if(mob_negates_gravity())
+			. = 1
+
+/mob/living/carbon/human/mob_negates_gravity()
+	return shoes && shoes.negates_gravity()

code/modules/mob/living/living.dm

@@ -705,3 +705,16 @@
 						CM.drop_from_inventory(CM.legcuffed)
 						CM.legcuffed = null
 						CM.update_inv_legcuffed()
+
+/mob/living/update_gravity(has_gravity)
+	if(!ticker)
+		return
+	float(!has_gravity)
+
+/mob/living/proc/float(on)
+	if(on && !floating)
+		animate(src, pixel_y = 2, time = 10, loop = -1)
+		floating = 1
+	else if(!on && floating)
+		animate(src, pixel_y = initial(pixel_y), time = 10)
+		floating = 0

code/modules/mob/living/living_defines.dm

@@ -42,3 +42,4 @@
 	var/specialsauce = 0 //Has this person consumed enough special sauce? IF so they're a ticking time bomb of death.
 	var/implanting = 0 //Used for the mind-slave implant
 	var/silent = null 		//Can't talk. Value goes down every life proc.
+	var/floating = 0

code/modules/mob/mob_movement.dm

@@ -424,14 +424,8 @@
 		if(istype(turf,/turf/space))
 			continue
 
-		if(istype(src,/mob/living/carbon/human/))  // Only humans can wear magboots, so we give them a chance to.
-			if((istype(turf,/turf/simulated/floor)) && (src.lastarea.has_gravity == 0) && !(istype(src:shoes, /obj/item/clothing/shoes/magboots) && (src:shoes:flags & NOSLIP)))
-				continue
-
-
-		else
-			if((istype(turf,/turf/simulated/floor)) && (src.lastarea.has_gravity == 0)) // No one else gets a chance.
-				continue
+		if(!turf.density && !mob_negates_gravity())
+			continue
 
 
 
@@ -460,18 +454,22 @@
 	if(!dense_object)
 		return 0
 
-
-
 	//Check to see if we slipped
 	if(prob(Process_Spaceslipping(5)))
 		src << "\blue <B>You slipped!</B>"
 		src.inertia_dir = src.last_move
 		step(src, src.inertia_dir)
 		return 0
+
 	//If not then we can reset inertia and move
 	inertia_dir = 0
 	return 1
 
+/mob/proc/mob_has_gravity(turf/T)
+	return has_gravity(src, T)
+
+/mob/proc/mob_negates_gravity()
+	return 0
 
 /mob/proc/Process_Spaceslipping(var/prob_slip = 5)
 	//Setup slipage
@@ -481,3 +479,6 @@
 
 	prob_slip = round(prob_slip)
 	return(prob_slip)
+
+/mob/proc/update_gravity()
+	return