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b6601a2405
* March into Mapness: Meateor (#74070) * March into Mapness: Meateor --------- Co-authored-by: Jacquerel <hnevard@gmail.com>
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_PARENT_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_PARENT_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_PARENT_QDELETING, COMSIG_MOB_STATCHANGE))
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