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_box_magazine.dm
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/
_box_magazine.dm
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//Boxes of ammo
/obj/item/ammo_box
name = "ammo box (null_reference_exception)"
desc = "A box of ammo."
icon = 'icons/obj/ammo.dmi'
flags_1 = CONDUCT_1
slot_flags = ITEM_SLOT_BELT
item_state = "syringe_kit"
lefthand_file = 'icons/mob/inhands/equipment/medical_lefthand.dmi'
righthand_file = 'icons/mob/inhands/equipment/medical_righthand.dmi'
custom_materials = list(/datum/material/iron = 30000)
throwforce = 2
w_class = WEIGHT_CLASS_TINY
throw_speed = 3
throw_range = 7
///list containing the actual ammo within the magazine
var/list/stored_ammo = list()
///type that the magazine will be searching for, rejects if not a subtype of
var/ammo_type = /obj/item/ammo_casing
///maximum amount of ammo in the magazine
var/max_ammo = 7
///Controls how sprites are updated for the ammo box; see defines in combat.dm: AMMO_BOX_ONE_SPRITE; AMMO_BOX_PER_BULLET; AMMO_BOX_FULL_EMPTY
var/multiple_sprites = AMMO_BOX_ONE_SPRITE
///String, used for checking if ammo of different types but still fits can fit inside it; generally used for magazines
var/caliber
///Allows multiple bullets to be loaded in from one click of another box/magazine
var/multiload = TRUE
///Whether the magazine should start with nothing in it
var/start_empty = FALSE
///cost of all the bullets in the magazine/box
var/list/bullet_cost
///cost of the materials in the magazine/box itself
var/list/base_cost
/obj/item/ammo_box/Initialize()
. = ..()
if (!bullet_cost)
for (var/material in custom_materials)
var/material_amount = custom_materials[material]
LAZYSET(base_cost, material, (material_amount * 0.10))
material_amount *= 0.90 // 10% for the container
material_amount /= max_ammo
LAZYSET(bullet_cost, material, material_amount)
if(!start_empty)
top_off(starting=TRUE)
update_icon()
/**
* top_off is used to refill the magazine to max, in case you want to increase the size of a magazine with VV then refill it at once
*
* Arguments:
* * load_type - if you want to specify a specific ammo casing type to load, enter the path here, otherwise it'll use the basic [/obj/item/ammo_box/var/ammo_type]. Must be a compatible round
* * starting - Relevant for revolver cylinders, if FALSE then we mind the nulls that represent the empty cylinders (since those nulls don't exist yet if we haven't initialized when this is TRUE)
*/
/obj/item/ammo_box/proc/top_off(load_type, starting=FALSE)
if(!load_type) //this check comes first so not defining an argument means we just go with default ammo
load_type = ammo_type
var/obj/item/ammo_casing/round_check = load_type
if(!starting && (caliber && initial(round_check.caliber) != caliber) || (!caliber && load_type != ammo_type))
stack_trace("Tried loading unsupported ammocasing type [load_type] into ammo box [type].")
return
for(var/i = max(1, stored_ammo.len), i <= max_ammo, i++)
stored_ammo += new round_check(src)
update_icon()
///gets a round from the magazine, if keep is TRUE the round will stay in the gun
/obj/item/ammo_box/proc/get_round(keep = FALSE)
if (!stored_ammo.len)
return null
else
var/b = stored_ammo[stored_ammo.len]
stored_ammo -= b
if (keep)
stored_ammo.Insert(1,b)
return b
///puts a round into the magazine
/obj/item/ammo_box/proc/give_round(obj/item/ammo_casing/R, replace_spent = 0)
// Boxes don't have a caliber type, magazines do. Not sure if it's intended or not, but if we fail to find a caliber, then we fall back to ammo_type.
if(!R || (caliber && R.caliber != caliber) || (!caliber && R.type != ammo_type))
return FALSE
if (stored_ammo.len < max_ammo)
stored_ammo += R
R.forceMove(src)
return TRUE
//for accessibles magazines (e.g internal ones) when full, start replacing spent ammo
else if(replace_spent)
for(var/obj/item/ammo_casing/AC in stored_ammo)
if(!AC.BB)//found a spent ammo
stored_ammo -= AC
AC.forceMove(get_turf(src.loc))
stored_ammo += R
R.forceMove(src)
return TRUE
return FALSE
///Whether or not the box can be loaded, used in overrides
/obj/item/ammo_box/proc/can_load(mob/user)
return TRUE
/obj/item/ammo_box/attackby(obj/item/A, mob/user, params, silent = FALSE, replace_spent = 0)
var/num_loaded = 0
if(!can_load(user))
return
if(istype(A, /obj/item/ammo_box))
var/obj/item/ammo_box/AM = A
for(var/obj/item/ammo_casing/AC in AM.stored_ammo)
var/did_load = give_round(AC, replace_spent)
if(did_load)
AM.stored_ammo -= AC
num_loaded++
if(!did_load || !multiload)
break
if(istype(A, /obj/item/ammo_casing))
var/obj/item/ammo_casing/AC = A
if(give_round(AC, replace_spent))
user.transferItemToLoc(AC, src, TRUE)
num_loaded++
if(num_loaded)
if(!silent)
to_chat(user, "<span class='notice'>You load [num_loaded] shell\s into \the [src]!</span>")
playsound(src, 'sound/weapons/gun/general/mag_bullet_insert.ogg', 60, TRUE)
A.update_icon()
update_icon()
return num_loaded
/obj/item/ammo_box/attack_self(mob/user)
var/obj/item/ammo_casing/A = get_round()
if(A)
A.forceMove(drop_location())
if(!user.is_holding(src) || !user.put_in_hands(A)) //incase they're using TK
A.bounce_away(FALSE, NONE)
playsound(src, 'sound/weapons/gun/general/mag_bullet_insert.ogg', 60, TRUE)
to_chat(user, "<span class='notice'>You remove a round from [src]!</span>")
update_icon()
/obj/item/ammo_box/update_icon()
var/shells_left = stored_ammo.len
switch(multiple_sprites)
if(AMMO_BOX_PER_BULLET)
icon_state = "[initial(icon_state)]-[shells_left]"
if(AMMO_BOX_FULL_EMPTY)
icon_state = "[initial(icon_state)]-[shells_left ? "[max_ammo]" : "0"]"
desc = "[initial(desc)] There [(shells_left == 1) ? "is" : "are"] [shells_left] shell\s left!"
for (var/material in bullet_cost)
var/material_amount = bullet_cost[material]
material_amount = (material_amount*stored_ammo.len) + base_cost[material]
custom_materials[material] = material_amount
set_custom_materials(custom_materials)//make sure we setup the correct properties again
///Count of number of bullets in the magazine
/obj/item/ammo_box/magazine/proc/ammo_count(countempties = TRUE)
var/boolets = 0
for(var/obj/item/ammo_casing/bullet in stored_ammo)
if(bullet && (bullet.BB || countempties))
boolets++
return boolets
///list of every bullet in the magazine
/obj/item/ammo_box/magazine/proc/ammo_list(drop_list = FALSE)
var/list/L = stored_ammo.Copy()
if(drop_list)
stored_ammo.Cut()
return L
///drops the entire contents of the magazine on the floor
/obj/item/ammo_box/magazine/proc/empty_magazine()
var/turf_mag = get_turf(src)
for(var/obj/item/ammo in stored_ammo)
ammo.forceMove(turf_mag)
stored_ammo -= ammo
/obj/item/ammo_box/magazine/handle_atom_del(atom/A)
stored_ammo -= A
update_icon()