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ninjanomnom
2018-06-13 19:18:44 -04:00
parent b6c246fb7c
commit 0ac63dbde7
3 changed files with 15 additions and 13 deletions
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code/datums/components/README.md
+8 -4
View File
@@ -64,6 +64,11 @@ Stands have a lot of procs which mimic mob procs. Rather than inserting hooks fo
* Returns a reference to a component whose type MATCHES component_type if that component exists in the datum, null otherwise
1. `GET_COMPONENT(varname, component_type)` OR `GET_COMPONENT_FROM(varname, component_type, src)`
* Shorthand for `var/component_type/varname = src.GetComponent(component_type)`
1. `SEND_SIGNAL(target, sigtype, ...)` (public, final)
* Use to send signals to target datum
* Extra arguments are to be specified in the signal definition
* Returns a bitflag with signal specific information assembled from all activated components
* Arguments are packaged in a list and handed off to _SendSignal()
1. `/datum/proc/AddComponent(component_type(type), ...) -> datum/component` (public, final)
* Creates an instance of `component_type` in the datum and passes `...` to its `Initialize()` call
* Sends the `COMSIG_COMPONENT_ADDED` signal to the datum
@@ -80,10 +85,9 @@ Stands have a lot of procs which mimic mob procs. Rather than inserting hooks fo
* Properly transfers ownership of a component from one datum to another
* Signals `COMSIG_COMPONENT_REMOVING` on the parent
* Called on the datum you want to own the component with another datum's component
1. `/datum/proc/SendSignal(signal, ...)` (public, final)
* Call to send a signal to the components of the target datum
* Extra arguments are to be specified in the signal definition
* Returns a bitflag with signal specific information assembled from all activated components
1. `/datum/proc/_SendSignal(signal, list/arguments)` (private, final)
* Handles most of the actual signaling procedure
* Will runtime if used on datums with an empty component list
1. `/datum/component/New(datum/parent, ...)` (private, final)
* Runs internal setup for the component
* Extra arguments are passed to `Initialize()`
code/datums/components/_component.dm
+5 -9
View File
@@ -57,7 +57,7 @@
if(!force)
_RemoveFromParent()
if(!silent)
P.SendSignal(COMSIG_COMPONENT_REMOVING, src)
SEND_SIGNAL(P, COMSIG_COMPONENT_REMOVING, src)
parent = null
LAZYCLEARLIST(signal_procs)
return ..()
@@ -117,12 +117,8 @@
current_type = type2parent(current_type)
. += current_type
/datum/proc/SendSignal(sigtype, ...)
var/list/comps = datum_components
if(!comps)
return NONE
var/list/arguments = args.Copy(2)
var/target = comps[/datum/component]
/datum/proc/_SendSignal(sigtype, list/arguments)
var/target = datum_components[/datum/component]
if(!length(target))
var/datum/component/C = target
if(!C.enabled)
@@ -225,7 +221,7 @@
new_comp = new nt(arglist(args)) // Dupes are allowed, act like normal
if(!old_comp && !QDELETED(new_comp)) // Nothing related to duplicate components happened and the new component is healthy
SendSignal(COMSIG_COMPONENT_ADDED, new_comp)
SEND_SIGNAL(src, COMSIG_COMPONENT_ADDED, new_comp)
return new_comp
return old_comp
@@ -240,7 +236,7 @@
var/datum/old_parent = parent
PreTransfer()
_RemoveFromParent()
old_parent.SendSignal(COMSIG_COMPONENT_REMOVING, src)
SEND_SIGNAL(old_parent, COMSIG_COMPONENT_REMOVING, src)
/datum/proc/TakeComponent(datum/component/target)
if(!target)