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[MIRROR] Refactor mob spawner component so that it is independent [MDB IGNORE] (#19560)

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Refactor mob spawner component so that it is independent

Co-authored-by: Jacquerel <hnevard@gmail.com>
Co-authored-by: Gandalf <9026500+Gandalf2k15@users.noreply.github.com>
This commit is contained in:
SkyratBot
2023-03-10 06:08:35 +00:00
committed by GitHub
co-authored by Jacquerel Gandalf
parent 7432ea47f6
commit ca0e0983c7
4 changed files with 58 additions and 40 deletions
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code/datums/components/spawner.dm
+50 -21
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@@ -1,11 +1,18 @@
/datum/component/spawner
var/mob_types = list(/mob/living/basic/carp)
var/spawn_time = 300 //30 seconds default
/// Time to wait between spawns
var/spawn_time
/// Maximum number of mobs we can have active at one time
var/max_mobs
/// Visible message to show when a mob spawns
var/spawn_text
/// List of mob types to spawn, picked randomly
var/list/mob_types
/// Faction to grant to mobs
var/list/faction
/// List of weak references to mobs we have already created
var/list/spawned_mobs = list()
var/spawn_delay = 0
var/max_mobs = 5
var/spawn_text = "emerges from"
var/list/faction = list("mining")
/// Time until we next spawn
COOLDOWN_DECLARE(spawn_delay)
/datum/component/spawner/Initialize(mob_types = list(), spawn_time = 30 SECONDS, max_mobs = 5, faction = list(FACTION_MINING), spawn_text = "emerges from")
if (!length(mob_types))
@@ -22,27 +29,49 @@
/datum/component/spawner/process()
try_spawn_mob()
/// Stop spawning mobs
/datum/component/spawner/proc/stop_spawning(force)
SIGNAL_HANDLER
STOP_PROCESSING(SSprocessing, src)
for(var/mob/living/simple_animal/L in spawned_mobs)
if(L.nest == src)
L.nest = null
spawned_mobs = null
spawned_mobs = list()
/// Try to create a new mob
/datum/component/spawner/proc/try_spawn_mob()
var/atom/P = parent
if(spawned_mobs.len >= max_mobs)
if(!COOLDOWN_FINISHED(src, spawn_delay))
return
if(spawn_delay > world.time)
validate_references()
if(length(spawned_mobs) >= max_mobs)
return
spawn_delay = world.time + spawn_time
var/atom/spawner = parent
COOLDOWN_START(src, spawn_delay, spawn_time)
var/chosen_mob_type = pick(mob_types)
var/mob/living/simple_animal/L = new chosen_mob_type(P.loc)
L.flags_1 |= (P.flags_1 & ADMIN_SPAWNED_1)
spawned_mobs += L
L.nest = src
L.faction = src.faction
P.visible_message(span_danger("[L] [spawn_text] [P]."))
var/mob/living/created = new chosen_mob_type(spawner.loc)
created.flags_1 |= (spawner.flags_1 & ADMIN_SPAWNED_1)
spawned_mobs += WEAKREF(created)
created.faction = src.faction
spawner.visible_message(span_danger("[created] [spawn_text] [spawner]."))
RegisterSignal(created, COMSIG_PARENT_QDELETING, PROC_REF(mob_deleted))
RegisterSignal(created, COMSIG_MOB_STATCHANGE, PROC_REF(mob_stat_changed))
/// Remove weakrefs to mobs which have been killed or deleted without us picking it up somehow
/datum/component/spawner/proc/validate_references()
for (var/datum/weakref/weak_mob as anything in spawned_mobs)
var/mob/living/previously_spawned = weak_mob.resolve()
if (previously_spawned && previously_spawned.stat != DEAD)
continue
spawned_mobs -= weak_mob
/// Called when a mob we spawned is deleted, remove it from the list
/datum/component/spawner/proc/mob_deleted(mob/living/source)
SIGNAL_HANDLER
spawned_mobs -= WEAKREF(source)
/// Called when a mob we spawned dies, remove it from the list and unregister signals
/datum/component/spawner/proc/mob_stat_changed(mob/living/source)
if (source.stat != DEAD)
return
spawned_mobs -= WEAKREF(source)
UnregisterSignal(source, list(COMSIG_PARENT_QDELETING, COMSIG_MOB_STATCHANGE))