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S.P.L.U.R.T-Station-13/code/datums/components/decal.dm
2017-12-17 20:49:51 -06:00

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/datum/component/decal
dupe_mode = COMPONENT_DUPE_ALLOWED
var/cleanable
var/description
var/mutable_appearance/pic
/datum/component/decal/Initialize(_icon, _icon_state, _dir, _cleanable=CLEAN_GOD, _color, _layer=TURF_LAYER, _description)
if(!isatom(parent) || !_icon || !_icon_state)
. = COMPONENT_INCOMPATIBLE
CRASH("A turf decal was applied incorrectly to [parent.type]: icon:[_icon ? _icon : "none"] icon_state:[_icon_state ? _icon_state : "none"]")
// It has to be made from an image or dir breaks because of a byond bug
var/temp_image = image(_icon, null, _icon_state, _layer, _dir)
pic = new(temp_image)
pic.color = _color
cleanable = _cleanable
description = _description
apply()
if(_dir) // If no dir is assigned at start then it follows the atom's dir
RegisterSignal(COMSIG_ATOM_DIR_CHANGE, .proc/rotate_react)
if(_cleanable)
RegisterSignal(COMSIG_COMPONENT_CLEAN_ACT, .proc/clean_react)
if(_description)
RegisterSignal(COMSIG_PARENT_EXAMINE, .proc/examine)
/datum/component/decal/Destroy()
remove()
return ..()
/datum/component/decal/OnTransfer(atom/thing)
remove()
remove(thing)
apply(thing)
/datum/component/decal/proc/apply(atom/thing)
var/atom/master = thing || parent
master.add_overlay(pic, TRUE)
/datum/component/decal/proc/remove(atom/thing)
var/atom/master = thing || parent
master.cut_overlay(pic, TRUE)
/datum/component/decal/proc/rotate_react(old_dir, new_dir)
if(old_dir == new_dir)
return
remove()
<<<<<<< HEAD
var/rotation = SimplifyDegrees(dir2angle(new_dir)-dir2angle(old_dir))
pic.dir = turn(pic.dir, rotation)
=======
pic.dir = turn(pic.dir, dir2angle(old_dir) - dir2angle(new_dir))
>>>>>>> 3ce9bd7... decal rotation fix (#33614)
apply()
/datum/component/decal/proc/clean_react(strength)
if(strength >= cleanable)
qdel(src)
/datum/component/decal/proc/examine(mob/user)
to_chat(user, description)