Refactors slipping to be completely general for items

code/game/objects/items.dm

@@ -87,6 +87,15 @@ var/global/image/fire_overlay = image("icon" = 'icons/goonstation/effects/fire.d
 	var/sprite_sheets_obj = null //Used to override hardcoded clothing inventory object dmis in human clothing proc.
 	var/list/species_fit = null //This object has a different appearance when worn by these species
 
+	var/trip_verb = TV_TRIP
+	var/trip_bonus = 0
+
+	var/trip_stun = 0
+	var/trip_weaken = 2
+	var/trip_any = FALSE
+	var/trip_walksafe = TRUE
+	var/trip_tiles = 0
+
 /obj/item/New()
 	..()
 	for(var/path in actions_types)
@@ -530,3 +539,14 @@ var/global/image/fire_overlay = image("icon" = 'icons/goonstation/effects/fire.d
 
 /obj/item/proc/is_equivalent(obj/item/I)
 	return I == src
+
+/obj/item/Crossed(atom/movable/AM)
+	if(ishuman(AM))
+		var/mob/living/carbon/human/H = AM
+		if(prob(trip_bonus))
+			on_trip(H)
+
+/obj/item/proc/on_trip(mob/living/carbon/human/H)
+	if(H.slip(src, trip_stun, trip_weaken, trip_tiles, trip_walksafe, trip_any, trip_verb))
+		H.visible_message("<span class='warning'>[H] [trip_verb]s on [src]!</span>")
+		return TRUE

code/game/objects/items/weapons/clown_items.dm

@@ -8,10 +8,6 @@
 /*
  * Soap
  */
-/obj/item/weapon/soap/Crossed(AM as mob|obj) //EXACTLY the same as bananapeel for now, so it makes sense to put it in the same dm -- Urist
-	if(istype(AM, /mob/living/carbon))
-		var/mob/living/carbon/M = AM
-		M.slip("soap", 4, 2)
 
 /obj/item/weapon/soap/afterattack(atom/target, mob/user, proximity)
 	if(!proximity) return

code/game/objects/items/weapons/grenades/clowngrenade.dm

@@ -50,24 +50,21 @@
 */
 
 /obj/item/weapon/grown/bananapeel/traitorpeel
+	trip_stun = 0
+	trip_weaken = 7
+	trip_tiles = 4
+	trip_walksafe = FALSE
+
+	trip_bonus = 100
 
 
-/obj/item/weapon/grown/bananapeel/traitorpeel/Crossed(AM as mob|obj)
-	var/burned = rand(2,5)
-	if(istype(AM, /mob/living/carbon))
-		var/mob/living/carbon/M = AM
-		if(ishuman(M))
-			if(isobj(M:shoes))
-				if(M:shoes.flags & NOSLIP)
-					return
-			else
-				to_chat(M, "<span class='warning'>Your feet feel like they're on fire!</span>")
-				M.take_overall_damage(0, max(0, (burned - 2)))
-
-		if(!istype(M, /mob/living/carbon/slime) && !isrobot(M))
-			M.slip("banana peel!", 0, 7, 4)
-			M.take_organ_damage(2) // Was 5 -- TLE
-			M.take_overall_damage(0, burned)
+/obj/item/weapon/grown/bananapeel/traitorpeel/on_trip(mob/living/carbon/human/H)
+	. = ..()
+	if(.)
+		var/burned = rand(2,5)
+		to_chat(H, "<span class='warning'>Your feet feel like they're on fire!</span>")
+		H.take_overall_damage(0, max(0, 2*burned - 2))
+		H.take_organ_damage(2) // Was 5 -- TLE
 
 /obj/item/weapon/grown/bananapeel/traitorpeel/throw_impact(atom/hit_atom)
 	var/burned = rand(1,3)

code/game/objects/items/weapons/soap.dm

@@ -9,6 +9,13 @@
 	throw_speed = 4
 	throw_range = 20
 	discrete = 1
+
+	trip_stun = 4
+	trip_weaken = 2
+	trip_bonus = 100
+	trip_walksafe = FALSE
+	trip_verb = TV_SLIP
+
 	var/cleanspeed = 50 //slower than mop
 
 /obj/item/weapon/soap/nanotrasen