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Bubberstation/code/datums/elements/undertile.dm
Tim 14deaa41ed Remove code/__DEFINES/misc.dm (#63879)
This removes code/__DEFINES/misc.dm and moves all the defines to either:

another existing define file
new define file
local .dm file if the define was only used in one file
I also deleted defines that were not being used and added documentation to all of the ones that were moved out of misc.dm

Why was this needed? People were basically using the misc.dm file as a dumpster to toss all their defines into that was creating one giant mess. The defines have been organized into their proper groups and files now.
2022-01-23 14:30:27 -08:00

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/// The alpha we give to stuff under tiles, if they want it
#define ALPHA_UNDERTILE 128
///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, ELEMENT_TRAIT(type))
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, ELEMENT_TRAIT(type))
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)
#undef ALPHA_UNDERTILE