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Bubberstation/code/game/objects/effects/decals/misc.dm
SkyratBot 83e3915015 [MIRROR] Makes some improvements to how AI can use JPS with movement loops [MDB IGNORE] (#19151)
* Makes some improvements to how AI can use JPS with movement loops (#72685)

## About The Pull Request

This PR makes some changes to how JPS is used in movement loops, as it
was causing a variety of issues:

- Fixed some code where JPS would fail because the path is still being
made. Instead, the movement loop will now wait.
- Reduced the subsystem wait for the pathfinder subsystem from 2 seconds
to 0.1 seconds. @ LemonInTheDark told me that this is better, I'll update
this with a better explanation once I squeeze it out of him :D
- Allows you to provide an initial path to the movement loop, in case
you pre-calculated one while making a plan.

## Why It's Good For The Game

Makes working with JPS a bit easier when making AI.

---------

Co-authored-by: Capybara <Capybara@ CapybaraMailingServices.com>
Co-authored-by: Jeremiah <42397676+jlsnow301@ users.noreply.github.com>
Co-authored-by: LemonInTheDark <58055496+LemonInTheDark@ users.noreply.github.com>

* Makes some improvements to how AI can use JPS with movement loops

---------

Co-authored-by: CapybaraExtravagante <110635252+CapybaraExtravagante@users.noreply.github.com>
Co-authored-by: Capybara <Capybara@ CapybaraMailingServices.com>
Co-authored-by: Jeremiah <42397676+jlsnow301@ users.noreply.github.com>
Co-authored-by: LemonInTheDark <58055496+LemonInTheDark@ users.noreply.github.com>
2023-02-08 02:04:31 +00:00

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//Used by spraybottles.
/obj/effect/decal/chempuff
name = "chemicals"
icon = 'icons/obj/medical/chempuff.dmi'
pass_flags = PASSTABLE | PASSGRILLE
layer = FLY_LAYER
plane = ABOVE_GAME_PLANE
///The mob who sourced this puff, if one exists
var/mob/user
///The sprayer who fired this puff
var/obj/item/reagent_containers/spray/sprayer
///How many interactions we have left before we disappear early
var/lifetime = INFINITY
///Are we a part of a stream?
var/stream
/obj/effect/decal/chempuff/Destroy(force)
user = null
sprayer = null
return ..()
/obj/effect/decal/chempuff/blob_act(obj/structure/blob/B)
return
/obj/effect/decal/chempuff/proc/end_life(datum/move_loop/engine)
QDEL_IN(src, engine.delay) //Gotta let it stop drifting
animate(src, alpha = 0, time = engine.delay)
/obj/effect/decal/chempuff/proc/loop_ended(datum/move_loop/source)
SIGNAL_HANDLER
if(QDELETED(src))
return
end_life(source)
/obj/effect/decal/chempuff/proc/check_move(datum/move_loop/source, result)
if(QDELETED(src)) //Reasons PLEASE WORK I SWEAR TO GOD
return
if(result == MOVELOOP_FAILURE) //If we hit something
end_life(source)
return
var/puff_reagents_string = reagents.get_reagent_log_string()
var/travelled_max_distance = (source.lifetime - source.delay <= 0)
var/turf/our_turf = get_turf(src)
for(var/atom/movable/turf_atom in our_turf)
if(turf_atom == src || turf_atom.invisibility) //we ignore the puff itself and stuff below the floor
continue
if(lifetime < 0)
break
if(!stream)
reagents.expose(turf_atom, VAPOR)
log_combat(user, turf_atom, "sprayed", sprayer, addition="which had [puff_reagents_string]")
if(ismob(turf_atom))
lifetime -= 1
continue
if(isliving(turf_atom))
var/mob/living/turf_mob = turf_atom
if(!turf_mob.can_inject())
continue
if(turf_mob.body_position != STANDING_UP && !travelled_max_distance)
continue
reagents.expose(turf_mob, VAPOR)
log_combat(user, turf_mob, "sprayed", sprayer, addition="which had [puff_reagents_string]")
lifetime -= 1
else if(travelled_max_distance)
reagents.expose(turf_atom, VAPOR)
log_combat(user, turf_atom, "sprayed", sprayer, addition="which had [puff_reagents_string]")
lifetime -= 1
if(lifetime >= 0 && (!stream || travelled_max_distance))
reagents.expose(our_turf, VAPOR)
log_combat(user, our_turf, "sprayed", sprayer, addition="which had [puff_reagents_string]")
lifetime -= 1
// Did we use up all the puff early?
if(lifetime < 0)
end_life(source)
/obj/effect/decal/fakelattice
name = "lattice"
desc = "A lightweight support lattice."
icon = 'icons/obj/smooth_structures/lattice.dmi'
icon_state = "lattice-255"
density = TRUE