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CHOMPStation2/code/modules/spells/projectile.dm

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/obj/effect/proc_holder/spell/targeted/projectile
name = "Projectile"
desc = "This spell summons projectiles which try to hit the targets."
var/proj_icon = 'icons/obj/projectiles.dmi'
var/proj_icon_state = "spell"
var/proj_name = "a spell projectile"
var/proj_trail = 0 //if it leaves a trail
var/proj_trail_lifespan = 0 //deciseconds
var/proj_trail_icon = 'icons/obj/wizard.dmi'
var/proj_trail_icon_state = "trail"
var/proj_type = "/obj/effect/proc_holder/spell/targeted" //IMPORTANT use only subtypes of this
var/proj_lingering = 0 //if it lingers or disappears upon hitting an obstacle
var/proj_homing = 1 //if it follows the target
var/proj_insubstantial = 0 //if it can pass through dense objects or not
var/proj_trigger_range = 0 //the range from target at which the projectile triggers cast(target)
var/proj_lifespan = 15 //in deciseconds * proj_step_delay
var/proj_step_delay = 1 //lower = faster
/obj/effect/proc_holder/spell/targeted/projectile/cast(list/targets, mob/user = usr)
for(var/mob/living/target in targets)
spawn(0)
var/obj/effect/proc_holder/spell/targeted/projectile
if(istext(proj_type))
var/projectile_type = text2path(proj_type)
projectile = new projectile_type(user)
if(istype(proj_type,/obj/effect/proc_holder/spell))
projectile = new /obj/effect/proc_holder/spell/targeted/trigger(user)
projectile:linked_spells += proj_type
projectile.icon = proj_icon
projectile.icon_state = proj_icon_state
projectile.set_dir(get_dir(target,projectile))
projectile.name = proj_name
var/current_loc = usr.loc
projectile.loc = current_loc
for(var/i = 0,i < proj_lifespan,i++)
if(!projectile)
break
if(proj_homing)
if(proj_insubstantial)
projectile.set_dir(get_dir(projectile,target))
projectile.loc = get_step_to(projectile,target)
else
step_to(projectile,target)
else
if(proj_insubstantial)
projectile.loc = get_step(projectile,dir)
else
step(projectile,dir)
if(!proj_lingering && projectile.loc == current_loc) //if it didn't move since last time
del(projectile)
break
if(proj_trail && projectile)
spawn(0)
if(projectile)
var/obj/effect/overlay/trail = new /obj/effect/overlay(projectile.loc)
trail.icon = proj_trail_icon
trail.icon_state = proj_trail_icon_state
trail.density = 0
spawn(proj_trail_lifespan)
del(trail)
if(projectile.loc in range(target.loc,proj_trigger_range))
projectile.perform(list(target))
break
current_loc = projectile.loc
sleep(proj_step_delay)
if(projectile)
del(projectile)