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SyncIt21 3c5749f862 General maintenance for plumbing (#94427)
## About The Pull Request
The overall behaviour of everything should stay the same but the memory
& speed of these components has been slightly improved and when you
scale that across large plumbing factories you get a substantial
improvement. Here's a list of the most noticeable changes along with
many others that aren't worth mentioning

- Removed vars `use_overlays`, `turn_connects`,
`recipient_reagents_holder`
- `active` var is now replaced with a proc which simply returns is the
machine wrenched or not
- `turn_connects` has been removed because all machines have their pipes
rotate when the machine is rotated. This also removed all the static
icon states ending with `-s` from the `dmi` file thus reducing that file
size as well
- `extend_pipe_to_edge` var is directly integrated into `cut_overlays()`
because it's use cases were limited such for showers & sinks
- Simplified `Initialize()` a lot. Removed params `start`,
`turn_connects`, `custom_receiver`, `extend_pipe_to_edge`. We now only
pass `bolt_layer` making that proc faster & less convoluted
- Replaced `set_recipient_reagents_holder()` proc with
`recipient_reagents_holder()` which returns the reagent holder for
holding reagents instead of storing it in the component. This removes
the need to hook a qdel signal on the holder & we don't need to keep
track of it
- Merged a ton of procs to reduce overhead & reduce file size
- Plumbing ducts creating the network at mapload is faster without using
recursion and the timer subsystem
- Deconstructing plumbing ducts is faster in reconstructing the network
without using recursion and the timer subsystem

This makes managing plumbing code less convoluted & overall better for
the foreseeable future. See the lines of code removed vs added and still
preserves behaviour

## Changelog
🆑
qol: added examines & screentips for ducts & stack of ducts
qol: you can wrench a stack of ducts on the ground to create a pipe
refactor: plumbing code has been improved overall. Report bugs on github
sprite: removed unused static(does not rotate with machine) icon states
for plumbing connections
/🆑

---------

Co-authored-by: Time-Green <7501474+Time-Green@users.noreply.github.com>
2025-12-31 13:03:42 +01:00

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///We handle the unity part of plumbing. We track who is connected to who.
/datum/ductnet
///All the ducts that make this network
var/list/obj/machinery/duct/ducts
///Stuff that can supply chems used by machines to retrive chems
var/list/datum/component/plumbing/suppliers
///Stuff that demands chems keep track of components that need their ducts updated as this net evolves
var/list/datum/component/plumbing/demanders
/datum/ductnet/New(obj/machinery/duct/parent)
ducts = parent ? list(parent) : list()
suppliers = list()
demanders = list()
return ..()
/datum/ductnet/Destroy(force)
ducts.Cut()
for(var/datum/component/plumbing/plumbing as anything in suppliers + demanders)
remove_plumber(plumbing)
suppliers.Cut()
demanders.Cut()
return ..()
///add a plumbing object to either demanders or suppliers
/datum/ductnet/proc/add_plumber(datum/component/plumbing/plumbing, dir)
var/dirtext = num2text(dir)
if(plumbing.ducts[dirtext] == src)
return FALSE
plumbing.ducts[dirtext] = src
if(dir & plumbing.supply_connects)
suppliers += plumbing
if(dir & plumbing.demand_connects)
demanders += plumbing
return TRUE
///remove a plumber. we don't delete ourselves because ductnets don't persist through plumbing objects.
/datum/ductnet/proc/remove_plumber(datum/component/plumbing/plumbing)
for(var/dir in plumbing.ducts)
if(plumbing.ducts[dir] == src)
plumbing.ducts -= dir
dir = text2num(dir)
if(dir & plumbing.supply_connects)
suppliers -= plumbing
if(dir & plumbing.demand_connects)
demanders -= plumbing
//return if this net has no ducts like when 2 machines are connected
return ducts.len == 0