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Bubberstation/code/datums/proximity_monitor/field.dm
LemonInTheDark 37aad4720d Reworks targeting behavior to fall back onto proximity monitors. Refactors ai cooldowns a bit (#82640) 
## About The Pull Request

Nother bit ripped out of #79498
[Implements a get_cooldown() proc to get around dumb manual overrides
and empower me to optimize the findtarget
logic](7047d294dd)

[Adds modify_cooldown, uses it to optimize find_potential_targets
further](4ebc8cedce)

No sense running the behavior if we're just waiting on its output, so
let's run it once a minute just in case, then push an update instantly
if we find something

[Optimizes connect_range and
promxity_monitors](bcf7d7c5b3)

We know what turfs exist before and after a move
We can use this information to prevent trying to update turfs we don't
care about.

This is important because post these changes mobs with fields will be
moving a lot more, so it's gotta be cheap

[Implements a special kind of field to handle ai
targeting](80b63b3445)

If we run targeting and don't like, find anything, we should setup a
field that listens for things coming near us and then handle those
things as we find them.

This incurs a slight startup cost but saves so much time on the churn of
constant costs

Note:
We should also work to figure out a way to avoid waking ais if none is
near them/they aren't doing anything interesting

We don't need to do that immediately this acts as somewhat of a stopgap
(and would be good regardless) but it is worth keeping in mind)

## IMPORTANT

I am unsure whether this is worth it anymore since #82539 was merged. As
I say it was done as a stopgap because ais didn't know how to idle.
If not I'll rip er out and we'll keep the other
refactoring/optimizations.

## Why It's Good For The Game

Cleaner basic ai code, maybe? faster basic ai code, for sure faster
proximity monitors (significantly)
2024-04-16 17:37:46 -06:00

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#define FIELD_TURFS_KEY "field_turfs"
#define EDGE_TURFS_KEY "edge_turfs"
/**
* Movable and easily code-modified fields! Allows for custom AOE effects that affect movement
* and anything inside of them, and can do custom turf effects!
* Supports automatic recalculation/reset on movement.
*
* "What do I gain from using advanced over standard prox monitors?"
* - You can set different effects on edge vs field entrance
* - You can set effects when the proximity monitor starts and stops tracking a turf
*/
/datum/proximity_monitor/advanced
/// If TRUE, edge turfs will be included as "in the field" for effects
/// Can be used in certain situations where you may have effects that trigger only at the edge,
/// while also wanting the field effect to trigger at edge turfs as well
var/edge_is_a_field = FALSE
/// All turfs on the inside of the proximity monitor - range - 1 turfs
var/list/turf/field_turfs = list()
/// All turfs on the very last tile of the proximity monitor's radius
var/list/turf/edge_turfs = list()
/datum/proximity_monitor/advanced/Destroy()
cleanup_field()
return ..()
/datum/proximity_monitor/advanced/proc/cleanup_field()
for(var/turf/turf as anything in edge_turfs)
cleanup_edge_turf(turf)
edge_turfs = list()
for(var/turf/turf as anything in field_turfs)
cleanup_field_turf(turf)
field_turfs = list()
//Call every time the field moves (done automatically if you use update_center) or a setup specification is changed.
/datum/proximity_monitor/advanced/proc/recalculate_field(full_recalc = FALSE)
var/list/new_turfs = update_new_turfs()
var/list/old_field_turfs = field_turfs
var/list/old_edge_turfs = edge_turfs
field_turfs = new_turfs[FIELD_TURFS_KEY]
edge_turfs = new_turfs[EDGE_TURFS_KEY]
if(!full_recalc)
field_turfs = list()
edge_turfs = list()
for(var/turf/old_turf as anything in old_field_turfs - field_turfs)
if(QDELETED(src))
return
cleanup_field_turf(old_turf)
for(var/turf/old_turf as anything in old_edge_turfs - edge_turfs)
if(QDELETED(src))
return
cleanup_edge_turf(old_turf)
if(full_recalc)
old_field_turfs = list()
old_edge_turfs = list()
field_turfs = new_turfs[FIELD_TURFS_KEY]
edge_turfs = new_turfs[EDGE_TURFS_KEY]
for(var/turf/new_turf as anything in field_turfs - old_field_turfs)
if(QDELETED(src))
return
field_turfs += new_turf
setup_field_turf(new_turf)
for(var/turf/new_turf as anything in edge_turfs - old_edge_turfs)
if(QDELETED(src))
return
edge_turfs += new_turf
setup_edge_turf(new_turf)
/datum/proximity_monitor/advanced/on_initialized(turf/location, atom/created, init_flags)
. = ..()
on_entered(location, created, null)
/datum/proximity_monitor/advanced/on_entered(turf/source, atom/movable/entered, turf/old_loc)
. = ..()
if(get_dist(source, host) == current_range)
field_edge_crossed(entered, old_loc, source)
else
field_turf_crossed(entered, old_loc, source)
/datum/proximity_monitor/advanced/on_moved(atom/movable/movable, atom/old_loc)
. = ..()
if(ignore_if_not_on_turf)
//Early return if it's not the host that has moved.
if(movable != host)
return
//Cleanup the field if the host was on a turf but isn't anymore.
if(!isturf(host.loc))
if(isturf(old_loc))
cleanup_field()
return
recalculate_field(full_recalc = FALSE)
/datum/proximity_monitor/advanced/on_uncrossed(turf/source, atom/movable/gone, direction)
if(get_dist(source, host) == current_range)
field_edge_uncrossed(gone, source, get_turf(gone))
else
field_turf_uncrossed(gone, source, get_turf(gone))
/// Called when a turf in the field of the monitor is linked
/datum/proximity_monitor/advanced/proc/setup_field_turf(turf/target)
return
/// Called when a turf in the field of the monitor is unlinked
/// Do NOT call this manually, requires management of the field_turfs list
/datum/proximity_monitor/advanced/proc/cleanup_field_turf(turf/target)
return
/// Called when a turf in the edge of the monitor is linked
/datum/proximity_monitor/advanced/proc/setup_edge_turf(turf/target)
if(edge_is_a_field) // If the edge is considered a field, set it up like one
setup_field_turf(target)
/// Called when a turf in the edge of the monitor is unlinked
/// Do NOT call this manually, requires management of the edge_turfs list
/datum/proximity_monitor/advanced/proc/cleanup_edge_turf(turf/target)
if(edge_is_a_field) // If the edge is considered a field, clean it up like one
cleanup_field_turf(target)
/datum/proximity_monitor/advanced/proc/update_new_turfs()
if(ignore_if_not_on_turf && !isturf(host.loc))
return list(FIELD_TURFS_KEY = list(), EDGE_TURFS_KEY = list())
var/list/local_field_turfs = list()
var/list/local_edge_turfs = list()
var/turf/center = get_turf(host)
if(current_range > 0)
local_field_turfs += RANGE_TURFS(current_range - 1, center)
if(current_range > 1)
local_edge_turfs = local_field_turfs - RANGE_TURFS(current_range, center)
return list(FIELD_TURFS_KEY = local_field_turfs, EDGE_TURFS_KEY = local_edge_turfs)
//Gets edge direction/corner, only works with square radius/WDH fields!
/datum/proximity_monitor/advanced/proc/get_edgeturf_direction(turf/T, turf/center_override = null)
var/turf/checking_from = get_turf(host)
if(istype(center_override))
checking_from = center_override
if(!(T in edge_turfs))
return
if(((T.x == (checking_from.x + current_range)) || (T.x == (checking_from.x - current_range))) && ((T.y == (checking_from.y + current_range)) || (T.y == (checking_from.y - current_range))))
return get_dir(checking_from, T)
if(T.x == (checking_from.x + current_range))
return EAST
if(T.x == (checking_from.x - current_range))
return WEST
if(T.y == (checking_from.y - current_range))
return SOUTH
if(T.y == (checking_from.y + current_range))
return NORTH
/datum/proximity_monitor/advanced/proc/field_turf_crossed(atom/movable/movable, turf/old_location, turf/new_location)
return
/datum/proximity_monitor/advanced/proc/field_turf_uncrossed(atom/movable/movable, turf/old_location, turf/new_location)
return
/datum/proximity_monitor/advanced/proc/field_edge_crossed(atom/movable/movable, turf/old_location, turf/new_location)
if(edge_is_a_field) // If the edge is considered a field, pass crossed to that
field_turf_crossed(movable, old_location, new_location)
/datum/proximity_monitor/advanced/proc/field_edge_uncrossed(atom/movable/movable, turf/old_location, turf/new_location)
if(edge_is_a_field) // If the edge is considered a field, pass uncrossed to that
field_turf_uncrossed(movable, old_location, new_location)
//DEBUG FIELD ITEM
/obj/item/multitool/field_debug
name = "strange multitool"
desc = "Seems to project a colored field!"
var/operating = FALSE
var/datum/proximity_monitor/advanced/debug/current = null
/obj/item/multitool/field_debug/Destroy()
QDEL_NULL(current)
return ..()
/obj/item/multitool/field_debug/proc/setup_debug_field()
current = new(src, 5, FALSE)
current.set_fieldturf_color = "#aaffff"
current.set_edgeturf_color = "#ffaaff"
current.recalculate_field(full_recalc = TRUE)
/obj/item/multitool/field_debug/attack_self(mob/user)
operating = !operating
to_chat(user, span_notice("You turn [src] [operating? "on":"off"]."))
if(!istype(current) && operating)
setup_debug_field()
else if(!operating)
QDEL_NULL(current)
/obj/item/multitool/field_debug/attack_self_secondary(mob/user, modifiers)
current.edge_is_a_field = !current.edge_is_a_field
return SECONDARY_ATTACK_CANCEL_ATTACK_CHAIN
//DEBUG FIELDS
/datum/proximity_monitor/advanced/debug
current_range = 5
var/set_fieldturf_color = "#aaffff"
var/set_edgeturf_color = "#ffaaff"
/datum/proximity_monitor/advanced/debug/setup_edge_turf(turf/target)
. = ..()
target.color = set_edgeturf_color
/datum/proximity_monitor/advanced/debug/cleanup_edge_turf(turf/target)
. = ..()
target.color = initial(target.color)
/datum/proximity_monitor/advanced/debug/setup_field_turf(turf/target)
. = ..()
target.color = set_fieldturf_color
/datum/proximity_monitor/advanced/debug/cleanup_field_turf(turf/target)
. = ..()
target.color = initial(target.color)
#undef FIELD_TURFS_KEY
#undef EDGE_TURFS_KEY
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