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Bubberstation/code/datums/elements/undertile.dm
SkyratBot b332b46b65 [MIRROR] Remove hideous inline tab indentation, and bans it in contributing guidelines (#3394)
* Remove hideous inline tab indentation, and bans it in contributing guidelines

* a

Co-authored-by: Mothblocks <35135081+Mothblocks@users.noreply.github.com>
Co-authored-by: Gandalf2k15 <jzo123@hotmail.com>
2021-02-15 15:32:02 +00:00

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///Add to an object if you want to be able to be hidden under tiles
/datum/element/undertile
element_flags = ELEMENT_BESPOKE | COMPONENT_DUPE_HIGHLANDER
id_arg_index = 2
///the invisiblity trait applied, like TRAIT_T_RAY_VISIBLE
var/invisibility_trait
///level of invisibility applied when under a tile. Could be INVISIBILITY_OBSERVER if you still want it to be visible to ghosts
var/invisibility_level
///an overlay for the tile if we wish to apply that
var/tile_overlay
///whether we use alpha or not. TRUE uses ALPHA_UNDERTILE because otherwise we have 200 different instances of this element for different alphas
var/use_alpha
///We will switch between anchored and unanchored. for stuff like satchels that shouldn't be pullable under tiles but are otherwise unanchored
var/use_anchor
/datum/element/undertile/Attach(datum/target, invisibility_trait, invisibility_level = INVISIBILITY_MAXIMUM, tile_overlay, use_alpha = TRUE, use_anchor = FALSE)
. = ..()
if(!ismovable(target))
return ELEMENT_INCOMPATIBLE
RegisterSignal(target, COMSIG_OBJ_HIDE, .proc/hide)
src.invisibility_trait = invisibility_trait
src.invisibility_level = invisibility_level
src.tile_overlay = tile_overlay
src.use_alpha = use_alpha
src.use_anchor = use_anchor
///called when a tile has been covered or uncovered
/datum/element/undertile/proc/hide(atom/movable/source, covered)
SIGNAL_HANDLER
source.invisibility = covered ? invisibility_level : 0
var/turf/T = get_turf(source)
if(covered)
if(invisibility_trait)
ADD_TRAIT(source, invisibility_trait, TRAIT_GENERIC)
if(tile_overlay)
T.add_overlay(tile_overlay)
if(use_alpha)
source.alpha = ALPHA_UNDERTILE
if(use_anchor)
source.set_anchored(TRUE)
else
if(invisibility_trait)
REMOVE_TRAIT(source, invisibility_trait, TRAIT_GENERIC)
if(tile_overlay)
T.overlays -= tile_overlay
if(use_alpha)
source.alpha = 255
if(use_anchor)
source.set_anchored(FALSE)
/datum/element/undertile/Detach(atom/movable/AM, visibility_trait, invisibility_level = INVISIBILITY_MAXIMUM)
. = ..()
hide(AM, FALSE)