mirror of
https://github.com/Bubberstation/Bubberstation.git
synced 2025-12-14 03:32:00 +00:00
3696b3058e
* Fixed circuit variables not working because of a null listener in their listener list (#61961) Co-authored-by: Watermelon914 <3052169-Watermelon914@ users.noreply.gitlab.com> * Fixed circuit variables not working because of a null listener in their listener list Co-authored-by: Watermelon914 <37270891+Watermelon914@users.noreply.github.com> Co-authored-by: Watermelon914 <3052169-Watermelon914@ users.noreply.gitlab.com>
54 lines
1.9 KiB
Plaintext
54 lines
1.9 KiB
Plaintext
/**
|
|
* A circuit variable that holds the name, the datatype and the colour of the variable (taken from the datatype).
|
|
*
|
|
* Used in integrated circuits for setter and getter circuit components.
|
|
*/
|
|
/datum/circuit_variable
|
|
/// The display name of the circuit variable
|
|
var/name
|
|
|
|
/// The datatype of the circuit variable. Used by the setter and getter circuit components
|
|
var/datatype
|
|
|
|
/// The datatype handler for the circuit variable.
|
|
var/datum/circuit_datatype/datatype_handler
|
|
|
|
/// The colour that appears in the UI. The value is set to the datatype's matching colour
|
|
var/color
|
|
|
|
/// The current value held by the variable.
|
|
var/value
|
|
|
|
/// The components that are currently listening. Triggers them when the value is updated.
|
|
var/list/obj/item/circuit_component/listeners
|
|
|
|
/datum/circuit_variable/New(name, datatype)
|
|
. = ..()
|
|
src.name = name
|
|
src.datatype = datatype
|
|
|
|
src.datatype_handler = GLOB.circuit_datatypes[datatype]
|
|
src.listeners = list()
|
|
src.color = datatype_handler.color
|
|
|
|
|
|
/// Sets the value of the circuit component and triggers the appropriate listeners
|
|
/datum/circuit_variable/proc/set_value(new_value)
|
|
value = new_value
|
|
for(var/obj/item/circuit_component/component as anything in listeners)
|
|
component.trigger_component()
|
|
|
|
/datum/circuit_variable/proc/on_listener_qdel(datum/listener)
|
|
SIGNAL_HANDLER
|
|
listeners -= listener
|
|
|
|
/// Adds a listener to receive inputs when the variable has a value that is set.
|
|
/datum/circuit_variable/proc/add_listener(obj/item/circuit_component/to_add)
|
|
listeners += to_add
|
|
RegisterSignal(to_add, COMSIG_PARENT_QDELETING, .proc/on_listener_qdel)
|
|
|
|
/// Removes a listener to receive inputs when the variable has a value that is set. Listener will usually clean themselves up
|
|
/datum/circuit_variable/proc/remove_listener(obj/item/circuit_component/to_remove)
|
|
UnregisterSignal(to_remove, COMSIG_PARENT_QDELETING)
|
|
listeners -= to_remove
|