SSthrowing (#19421)

Ported SSThrowing from TG, to handle throwings.
Updated movement system to the latest iteration, made it a datum as per
latest iteration.
Updated pass/hit handling of atoms, introduced pass_flag_self to
determine what atoms allow to pass.
Moved procs and defines around to make them more organized.

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

@@ -984,8 +984,9 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 	else
 		..()
 
-/obj/item/flame/lighter/throw_impact(mob/living/carbon/M as mob)
+/obj/item/flame/lighter/throw_impact(atom/hit_atom)
 	. = ..()
+	var/mob/living/carbon/M = hit_atom
 	if(istype(M) && lit && M.IgniteMob())
 		M.visible_message(SPAN_DANGER("\The [M] is ignited by \the [src]!"))
 

code/game/objects/items/weapons/material/twohanded.dm

@@ -309,7 +309,7 @@
 		update_icon()
 		src.shatter()
 
-/obj/item/material/twohanded/spear/throw_impact(atom/target)
+/obj/item/material/twohanded/spear/throw_impact(atom/hit_atom)
 	. = ..()
 	if(!.) //not caught
 		if(explosive)

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

@@ -6,6 +6,7 @@ var/list/tape_roll_applications = list()
 	icon = 'icons/obj/policetape.dmi'
 	icon_state = "tape"
 	w_class = ITEMSIZE_SMALL
+	pass_flags_self = PASSTABLE
 	var/static/list/hazard_overlays
 	var/turf/start
 	var/turf/end