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6c017cf1e1
## 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:
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
/🆑
32 lines
1.4 KiB
Plaintext
32 lines
1.4 KiB
Plaintext
/// The subsystem used to tick [/datum/ai_behavior] instances. Handling the individual actions an AI can take like punching someone in the fucking NUTS
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PROCESSING_SUBSYSTEM_DEF(ai_behaviors)
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name = "AI Behavior Ticker"
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flags = SS_POST_FIRE_TIMING|SS_BACKGROUND
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priority = FIRE_PRIORITY_NPC_ACTIONS
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runlevels = RUNLEVEL_GAME | RUNLEVEL_POSTGAME
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dependencies = list(
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/datum/controller/subsystem/movement/ai_movement
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)
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wait = 1
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///List of all ai_behavior singletons, key is the typepath while assigned value is a newly created instance of the typepath. See SetupAIBehaviors()
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var/list/ai_behaviors
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///List of all targeting_strategy singletons, key is the typepath while assigned value is a newly created instance of the typepath. See SetupAIBehaviors()
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var/list/targeting_strategies
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/datum/controller/subsystem/processing/ai_behaviors/Initialize()
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SetupAIBehaviors()
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SetupTargetingStrats()
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return SS_INIT_SUCCESS
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/datum/controller/subsystem/processing/ai_behaviors/proc/SetupAIBehaviors()
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ai_behaviors = list()
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for(var/behavior_type in subtypesof(/datum/ai_behavior))
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var/datum/ai_behavior/ai_behavior = new behavior_type
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ai_behaviors[behavior_type] = ai_behavior
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/datum/controller/subsystem/processing/ai_behaviors/proc/SetupTargetingStrats()
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targeting_strategies = list()
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for(var/target_type in subtypesof(/datum/targeting_strategy))
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var/datum/targeting_strategy/target_start = new target_type
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targeting_strategies[target_type] = target_start
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