Files
Bubberstation/code/controllers/subsystem/skills.dm
Watermelon914 79b00baad2 Refactors subsystems to use dependency-ordering to determine init order. Subsystems can now declare their own dependencies. (#90268)
## About The Pull Request
As the title says.
`init_order` is no more, subsystems ordering now depends on their
declared dependencies.
Subsystems can now declare which other subsystems need to init before
them using a list and the subsystem's typepath
I.e.
```dm
dependencies = list(
    /datum/controller/subsystem/atoms,
    /datum/controller/subsystem/mapping
)
```
The reverse can also be done, if a subsystem must initialize after your
own:
```dm
dependents = list(
    /datum/controller/subsystem/atoms
)
```
Cyclical dependencies are not allowed and will throw an error on
initialization if one is found.
There's also a debug tool to visualize the dependency graph, although
it's a bit basic:

![image](https://github.com/user-attachments/assets/80c854d9-c2a5-4f2f-92db-a031e9a8e257)

Subsystem load ordering can still be controlled using `init_stage`, some
subsystems use this in cases where they must initialize first or last
regardless of dependencies. An error will be thrown if a subsystem has
an `init_stage` before one of their dependencies.

## Why It's Good For The Game
Makes dealing with subsystem dependencies easier, and reduces the chance
of making a dependency error when needing to shift around subsystem
inits.

## Changelog
🆑
refactor: Refactored subsystem initialization
/🆑
2025-04-29 17:11:39 -06:00

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/*!
This subsystem mostly exists to populate and manage the skill singletons.
*/
SUBSYSTEM_DEF(skills)
name = "Skills"
flags = SS_NO_FIRE
///Dictionary of skill.type || skill ref
var/list/all_skills = list()
///List of level names with index corresponding to skill level
var/list/level_names = list("None", "Novice", "Apprentice", "Journeyman", "Expert", "Master", "Legendary") //List of skill level names. Note that indexes can be accessed like so: level_names[SKILL_LEVEL_NOVICE]
/datum/controller/subsystem/skills/Initialize()
InitializeSkills()
return SS_INIT_SUCCESS
///Ran on initialize, populates the skills dictionary
/datum/controller/subsystem/skills/proc/InitializeSkills()
for(var/type in GLOB.skill_types)
var/datum/skill/ref = new type
all_skills[type] = ref