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S.P.L.U.R.T-Station-13/code/modules/projectiles/ammunition/_firing.dm

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/obj/item/ammo_casing/proc/fire_casing(atom/target, mob/living/user, params, distro, quiet, zone_override, spread, atom/fired_from)
distro += variance
for (var/i = max(1, pellets), i > 0, i--)
var/targloc = get_turf(target)
ready_proj(target, user, quiet, zone_override, fired_from)
if(distro) //We have to spread a pixel-precision bullet. throw_proj was called before so angles should exist by now...
if(randomspread)
spread = round((rand() - 0.5) * distro)
else //Smart spread
spread = round((i / pellets - 0.5) * distro)
if(!throw_proj(target, targloc, user, params, spread))
return 0
if(i > 1)
newshot()
if(click_cooldown_override)
user.changeNext_move(click_cooldown_override)
else
user.changeNext_move(CLICK_CD_RANGE)
user.newtonian_move(get_dir(target, user))
update_icon()
return 1
/obj/item/ammo_casing/proc/ready_proj(atom/target, mob/living/user, quiet, zone_override = "", fired_from)
if (!BB)
return
BB.original = target
BB.firer = user
BB.fired_from = fired_from
if (zone_override)
BB.def_zone = zone_override
else
BB.def_zone = user.zone_selected
BB.suppressed = quiet
if(reagents && BB.reagents)
reagents.trans_to(BB, reagents.total_volume) //For chemical darts/bullets
qdel(reagents)
/obj/item/ammo_casing/proc/throw_proj(atom/target, turf/targloc, mob/living/user, params, spread)
var/turf/curloc = get_turf(user)
if (!istype(targloc) || !istype(curloc) || !BB)
return 0
var/firing_dir
if(BB.firer)
firing_dir = BB.firer.dir
if(!BB.suppressed && firing_effect_type)
new firing_effect_type(get_turf(src), firing_dir)
var/direct_target
if(targloc == curloc)
if(target) //if the target is right on our location we'll skip the travelling code in the proj's fire()
direct_target = target
if(!direct_target)
BB.preparePixelProjectile(target, user, params, spread)
BB.fire(null, direct_target)
BB = null
return 1
/obj/item/ammo_casing/proc/spread(turf/target, turf/current, distro)
var/dx = abs(target.x - current.x)
var/dy = abs(target.y - current.y)
return locate(target.x + round(gaussian(0, distro) * (dy+2)/8, 1), target.y + round(gaussian(0, distro) * (dx+2)/8, 1), target.z)