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Bubberstation/code/datums/elements/frozen.dm
SkyratBot 4af0dd0b8f [MIRROR] addresses reviews on the tram pr made after merge, fixes diagonal movement bugs [MDB IGNORE] (#14943)
* addresses reviews on the tram pr made after merge, fixes diagonal movement bugs (#68033)

* addresses reviews on the tram pr made after merge, fixes diagonal movement bugs

* wew

Co-authored-by: Kylerace <kylerlumpkin1@gmail.com>
Co-authored-by: Gandalf <9026500+Gandalf2k15@users.noreply.github.com>
2022-07-19 00:51:33 +00:00

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GLOBAL_LIST_INIT(freon_color_matrix, list("#2E5E69", "#60A2A8", "#A1AFB1", rgb(0,0,0)))
///simple element to handle frozen obj's
/datum/element/frozen
element_flags = ELEMENT_DETACH
/datum/element/frozen/Attach(datum/target)
. = ..()
if(!isobj(target))
return ELEMENT_INCOMPATIBLE
var/obj/target_obj = target
if(target_obj.obj_flags & FREEZE_PROOF)
return ELEMENT_INCOMPATIBLE
if(HAS_TRAIT(target_obj, TRAIT_FROZEN))
return ELEMENT_INCOMPATIBLE
ADD_TRAIT(target_obj, TRAIT_FROZEN, ELEMENT_TRAIT(type))
target_obj.name = "frozen [target_obj.name]"
target_obj.add_atom_colour(GLOB.freon_color_matrix, TEMPORARY_COLOUR_PRIORITY)
target_obj.alpha -= 25
RegisterSignal(target, COMSIG_MOVABLE_MOVED, .proc/on_moved)
RegisterSignal(target, COMSIG_MOVABLE_POST_THROW, .proc/shatter_on_throw)
RegisterSignal(target, COMSIG_OBJ_UNFREEZE, .proc/on_unfreeze)
/datum/element/frozen/Detach(datum/source, ...)
var/obj/obj_source = source
REMOVE_TRAIT(obj_source, TRAIT_FROZEN, ELEMENT_TRAIT(type))
obj_source.name = replacetext(obj_source.name, "frozen ", "")
obj_source.remove_atom_colour(TEMPORARY_COLOUR_PRIORITY, GLOB.freon_color_matrix)
obj_source.alpha += 25
. = ..()
///signal handler for COMSIG_OBJ_UNFREEZE that forces us to detach from the target
/datum/element/frozen/proc/on_unfreeze(datum/source)
SIGNAL_HANDLER
Detach(source)
///signal handler for COMSIG_MOVABLE_POST_THROW that shatters our target after impacting after a throw
/datum/element/frozen/proc/shatter_on_throw(datum/target)
SIGNAL_HANDLER
var/obj/obj_target = target
obj_target.visible_message(span_danger("[obj_target] shatters into a million pieces!"))
qdel(obj_target)
/// signal handler for COMSIG_MOVABLE_MOVED that unfreezes our target if it moves onto an open turf thats hotter than
/// our melting temperature.
/datum/element/frozen/proc/on_moved(datum/target)
SIGNAL_HANDLER
var/obj/obj_target = target
if(!isopenturf(obj_target.loc))
return
var/turf/open/turf_loc = obj_target.loc
if(turf_loc.air?.temperature >= T0C)//unfreezes target
Detach(target)