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LemonInTheDark
ae5a4f955d
## About The Pull Request Signals were initially only usable with component listeners, which while no longer the case has lead to outdated documentation, names, and a similar location in code. This pr pulls the two apart. Partially because mso thinks we should, but also because they really aren't directly linked anymore, and having them in this midstate just confuses people. [Renames comp_lookup to listen_lookup, since that's what it does](https://github.com/tgstation/tgstation/commit/102b79694fa8eb57ecf7b36032616a9e368ccced) [Moves signal procs over to their own file](https://github.com/tgstation/tgstation/commit/33d07d01fd336726b4f6f6f1b61bb0b3f11a00dc) [Renames the PREQDELETING and QDELETING comsigs to drop the parent bit since they can hook to more then just comps now](https://github.com/tgstation/tgstation/commit/335ea4ad081ec63c42cfa05856e582cca833af6e) [Does something similar to the attackby comsigs (PARENT -> ATOM)](https://github.com/tgstation/tgstation/commit/210e57051df63f88dac3dd83321236da825aae5e) [And finally passes over the examine signals](https://github.com/tgstation/tgstation/commit/65917658fb8a1e7d28ae23c9437a583d646f0302) ## Why It's Good For The Game Code makes more sense, things are better teased apart, s just good imo ## Changelog 🆑 refactor: Pulled apart the last vestiges of names/docs directly linking signals to components /🆑
88 lines
3.0 KiB
Plaintext
88 lines
3.0 KiB
Plaintext
/datum/component/spawner
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/// Time to wait between spawns
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var/spawn_time
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/// Maximum number of atoms we can have active at one time
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var/max_spawned
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/// Visible message to show when something spawns
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var/spawn_text
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/// List of atom types to spawn, picked randomly
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var/list/spawn_types
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/// Faction to grant to mobs (only applies to mobs)
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var/list/faction
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/// List of weak references to things we have already created
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var/list/spawned_things = list()
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/// Time until we next spawn
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COOLDOWN_DECLARE(spawn_delay)
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/datum/component/spawner/Initialize(spawn_types = list(), spawn_time = 30 SECONDS, max_spawned = 5, faction = list(FACTION_MINING), spawn_text = null)
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if (!islist(spawn_types))
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CRASH("invalid spawn_types to spawn specified for spawner component!")
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src.spawn_time = spawn_time
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src.spawn_types = spawn_types
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src.faction = faction
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src.spawn_text = spawn_text
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src.max_spawned = max_spawned
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RegisterSignal(parent, COMSIG_QDELETING, PROC_REF(stop_spawning))
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START_PROCESSING((spawn_time < 2 SECONDS ? SSfastprocess : SSprocessing), src)
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/datum/component/spawner/process()
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try_spawn_mob()
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/// Stop spawning mobs
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/datum/component/spawner/proc/stop_spawning(force)
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SIGNAL_HANDLER
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STOP_PROCESSING(SSprocessing, src)
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spawned_things = list()
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/// Try to create a new mob
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/datum/component/spawner/proc/try_spawn_mob()
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if(!COOLDOWN_FINISHED(src, spawn_delay))
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return
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validate_references()
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if(length(spawned_things) >= max_spawned)
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return
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var/atom/spawner = parent
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COOLDOWN_START(src, spawn_delay, spawn_time)
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var/chosen_mob_type = pick(spawn_types)
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var/atom/created = new chosen_mob_type(spawner.loc)
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created.flags_1 |= (spawner.flags_1 & ADMIN_SPAWNED_1)
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spawned_things += WEAKREF(created)
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if (isliving(created))
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var/mob/living/created_mob = created
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created_mob.faction = src.faction
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RegisterSignal(created, COMSIG_MOB_STATCHANGE, PROC_REF(mob_stat_changed))
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if (spawn_text)
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spawner.visible_message(span_danger("[created] [spawn_text] [spawner]."))
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RegisterSignal(created, COMSIG_QDELETING, PROC_REF(on_deleted))
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/// Remove weakrefs to atoms which have been killed or deleted without us picking it up somehow
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/datum/component/spawner/proc/validate_references()
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for (var/datum/weakref/weak_thing as anything in spawned_things)
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var/atom/previously_spawned = weak_thing.resolve()
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if (!previously_spawned)
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spawned_things -= weak_thing
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continue
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if (!isliving(previously_spawned))
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continue
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var/mob/living/spawned_mob = previously_spawned
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if (spawned_mob.stat != DEAD)
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continue
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spawned_things -= weak_thing
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/// Called when an atom we spawned is deleted, remove it from the list
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/datum/component/spawner/proc/on_deleted(atom/source)
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SIGNAL_HANDLER
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spawned_things -= WEAKREF(source)
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/// Called when a mob we spawned dies, remove it from the list and unregister signals
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/datum/component/spawner/proc/mob_stat_changed(mob/living/source)
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if (source.stat != DEAD)
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return
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spawned_things -= WEAKREF(source)
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UnregisterSignal(source, list(COMSIG_QDELETING, COMSIG_MOB_STATCHANGE))
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