/* Stack type objects!
* Contains:
* Stacks
* Recipe datum
* Recipe list datum
*/
/*
* Stacks
*/
/obj/item/stack
gender = PLURAL
origin_tech = list(TECH_MATERIAL = 1)
icon = 'icons/obj/stacks.dmi'
var/list/datum/stack_recipe/recipes
var/singular_name
var/amount = 1
var/max_amount //also see stack recipes initialisation, param "max_res_amount" must be equal to this max_amount
var/stacktype //determines whether different stack types can merge
var/build_type = null //used when directly applied to a turf
var/uses_charge = 0
var/list/charge_costs = null
var/list/datum/matter_synth/synths = null
var/no_variants = TRUE // Determines whether the item should update it's sprites based on amount.
/obj/item/stack/New(var/loc, var/amount=null)
..()
if (!stacktype)
stacktype = type
if (amount)
src.amount = amount
update_icon()
return
/obj/item/stack/Destroy()
if(uses_charge)
return 1
if (src && usr && usr.machine == src)
usr << browse(null, "window=stack")
return ..()
/obj/item/stack/update_icon()
if(no_variants)
icon_state = initial(icon_state)
else
if(amount <= (max_amount * (1/3)))
icon_state = initial(icon_state)
else if (amount <= (max_amount * (2/3)))
icon_state = "[initial(icon_state)]_2"
else
icon_state = "[initial(icon_state)]_3"
item_state = initial(icon_state)
/obj/item/stack/examine(mob/user)
if(..(user, 1))
if(!uses_charge)
user << "There are [src.amount] [src.singular_name]\s in the stack."
else
user << "There is enough charge for [get_amount()]."
/obj/item/stack/attack_self(mob/user as mob)
list_recipes(user)
/obj/item/stack/proc/list_recipes(mob/user as mob, recipes_sublist)
if (!recipes)
return
if (!src || get_amount() <= 0)
user << browse(null, "window=stack")
user.set_machine(src) //for correct work of onclose
var/list/recipe_list = recipes
if (recipes_sublist && recipe_list[recipes_sublist] && istype(recipe_list[recipes_sublist], /datum/stack_recipe_list))
var/datum/stack_recipe_list/srl = recipe_list[recipes_sublist]
recipe_list = srl.recipes
var/t1 = text("Constructions from []Amount Left: []
", src, src.get_amount())
for(var/i=1;i<=recipe_list.len,i++)
var/E = recipe_list[i]
if (isnull(E))
t1 += "
"
continue
if (i>1 && !isnull(recipe_list[i-1]))
t1+="
"
if (istype(E, /datum/stack_recipe_list))
var/datum/stack_recipe_list/srl = E
t1 += "[srl.title]"
if (istype(E, /datum/stack_recipe))
var/datum/stack_recipe/R = E
var/max_multiplier = round(src.get_amount() / R.req_amount)
var/title as text
var/can_build = 1
can_build = can_build && (max_multiplier>0)
if (R.res_amount>1)
title+= "[R.res_amount]x [R.title]\s"
else
title+= "[R.title]"
title+= " ([R.req_amount] [src.singular_name]\s)"
if (can_build)
t1 += text("[title] ")
else
t1 += text("[]", title)
continue
if (R.max_res_amount>1 && max_multiplier>1)
max_multiplier = min(max_multiplier, round(R.max_res_amount/R.res_amount))
t1 += " |"
var/list/multipliers = list(5,10,25)
for (var/n in multipliers)
if (max_multiplier>=n)
t1 += " [n*R.res_amount]x"
if (!(max_multiplier in multipliers))
t1 += " [max_multiplier*R.res_amount]x"
t1 += ""
user << browse(t1, "window=stack")
onclose(user, "stack")
return
/obj/item/stack/proc/produce_recipe(datum/stack_recipe/recipe, var/quantity, mob/user)
var/required = quantity*recipe.req_amount
var/produced = min(quantity*recipe.res_amount, recipe.max_res_amount)
if (!can_use(required))
if (produced>1)
user << "You haven't got enough [src] to build \the [produced] [recipe.title]\s!"
else
user << "You haven't got enough [src] to build \the [recipe.title]!"
return
if (recipe.one_per_turf && (locate(recipe.result_type) in user.loc))
user << "There is another [recipe.title] here!"
return
if (recipe.on_floor && !isfloor(user.loc))
user << "\The [recipe.title] must be constructed on the floor!"
return
if (recipe.time)
user << "Building [recipe.title] ..."
if (!do_after(user, recipe.time))
return
if (use(required))
var/atom/O
if(recipe.use_material)
O = new recipe.result_type(user.loc, recipe.use_material)
else
O = new recipe.result_type(user.loc)
O.set_dir(user.dir)
O.add_fingerprint(user)
if (istype(O, /obj/item/stack))
var/obj/item/stack/S = O
S.amount = produced
S.add_to_stacks(user)
if (istype(O, /obj/item/weapon/storage)) //BubbleWrap - so newly formed boxes are empty
for (var/obj/item/I in O)
qdel(I)
/obj/item/stack/Topic(href, href_list)
..()
if ((usr.restrained() || usr.stat || usr.get_active_hand() != src))
return
if (href_list["sublist"] && !href_list["make"])
list_recipes(usr, text2num(href_list["sublist"]))
if (href_list["make"])
if (src.get_amount() < 1) qdel(src) //Never should happen
var/list/recipes_list = recipes
if (href_list["sublist"])
var/datum/stack_recipe_list/srl = recipes_list[text2num(href_list["sublist"])]
recipes_list = srl.recipes
var/datum/stack_recipe/R = recipes_list[text2num(href_list["make"])]
var/multiplier = text2num(href_list["multiplier"])
if (!multiplier || (multiplier <= 0)) //href exploit protection
return
src.produce_recipe(R, multiplier, usr)
if (src && usr.machine==src) //do not reopen closed window
spawn( 0 )
src.interact(usr)
return
return
//Return 1 if an immediate subsequent call to use() would succeed.
//Ensures that code dealing with stacks uses the same logic
/obj/item/stack/proc/can_use(var/used)
if (get_amount() < used)
return 0
return 1
/obj/item/stack/proc/use(var/used)
if (!can_use(used))
return 0
if(!uses_charge)
amount -= used
if (amount <= 0)
if(usr)
usr.remove_from_mob(src)
qdel(src) //should be safe to qdel immediately since if someone is still using this stack it will persist for a little while longer
update_icon()
return 1
else
if(get_amount() < used)
return 0
for(var/i = 1 to uses_charge)
var/datum/matter_synth/S = synths[i]
S.use_charge(charge_costs[i] * used) // Doesn't need to be deleted
return 1
return 0
/obj/item/stack/proc/add(var/extra)
if(!uses_charge)
if(amount + extra > get_max_amount())
return 0
else
amount += extra
update_icon()
return 1
else if(!synths || synths.len < uses_charge)
return 0
else
for(var/i = 1 to uses_charge)
var/datum/matter_synth/S = synths[i]
S.add_charge(charge_costs[i] * extra)
/*
The transfer and split procs work differently than use() and add().
Whereas those procs take no action if the desired amount cannot be added or removed these procs will try to transfer whatever they can.
They also remove an equal amount from the source stack.
*/
//attempts to transfer amount to S, and returns the amount actually transferred
/obj/item/stack/proc/transfer_to(obj/item/stack/S, var/tamount=null, var/type_verified)
if (!get_amount())
return 0
if ((stacktype != S.stacktype) && !type_verified)
return 0
if (isnull(tamount))
tamount = src.get_amount()
var/transfer = max(min(tamount, src.get_amount(), (S.get_max_amount() - S.get_amount())), 0)
var/orig_amount = src.get_amount()
if (transfer && src.use(transfer))
S.add(transfer)
if (prob(transfer/orig_amount * 100))
transfer_fingerprints_to(S)
if(blood_DNA)
S.blood_DNA |= blood_DNA
return transfer
return 0
//creates a new stack with the specified amount
/obj/item/stack/proc/split(var/tamount)
if (!amount)
return null
if(uses_charge)
return null
var/transfer = max(min(tamount, src.amount, initial(max_amount)), 0)
var/orig_amount = src.amount
if (transfer && src.use(transfer))
var/obj/item/stack/newstack = new src.type(loc, transfer)
newstack.color = color
if (prob(transfer/orig_amount * 100))
transfer_fingerprints_to(newstack)
if(blood_DNA)
newstack.blood_DNA |= blood_DNA
return newstack
return null
/obj/item/stack/proc/get_amount()
if(uses_charge)
if(!synths || synths.len < uses_charge)
return 0
var/datum/matter_synth/S = synths[1]
. = round(S.get_charge() / charge_costs[1])
if(uses_charge > 1)
for(var/i = 2 to uses_charge)
S = synths[i]
. = min(., round(S.get_charge() / charge_costs[i]))
return
return amount
/obj/item/stack/proc/get_max_amount()
if(uses_charge)
if(!synths || synths.len < uses_charge)
return 0
var/datum/matter_synth/S = synths[1]
. = round(S.max_energy / charge_costs[1])
if(uses_charge > 1)
for(var/i = 2 to uses_charge)
S = synths[i]
. = min(., round(S.max_energy / charge_costs[i]))
return
return max_amount
/obj/item/stack/proc/add_to_stacks(mob/user as mob)
for (var/obj/item/stack/item in user.loc)
if (item==src)
continue
var/transfer = src.transfer_to(item)
if (transfer)
user << "You add a new [item.singular_name] to the stack. It now contains [item.amount] [item.singular_name]\s."
if(!amount)
break
/obj/item/stack/attack_hand(mob/user as mob)
if (user.get_inactive_hand() == src)
var/N = input("How many stacks of [src] would you like to split off? There are currently [amount].", "Split stacks", 1) as num|null
if(N)
var/obj/item/stack/F = src.split(N)
if (F)
user.put_in_hands(F)
src.add_fingerprint(user)
F.add_fingerprint(user)
spawn(0)
if (src && usr.machine==src)
src.interact(usr)
else
..()
return
/obj/item/stack/attackby(obj/item/W as obj, mob/user as mob)
if (istype(W, /obj/item/stack))
var/obj/item/stack/S = W
src.transfer_to(S)
spawn(0) //give the stacks a chance to delete themselves if necessary
if (S && usr.machine==S)
S.interact(usr)
if (src && usr.machine==src)
src.interact(usr)
else
return ..()
/*
* Recipe datum
*/
/datum/stack_recipe
var/title = "ERROR"
var/result_type
var/req_amount = 1 //amount of material needed for this recipe
var/res_amount = 1 //amount of stuff that is produced in one batch (e.g. 4 for floor tiles)
var/max_res_amount = 1
var/time = 0
var/one_per_turf = 0
var/on_floor = 0
var/use_material
New(title, result_type, req_amount = 1, res_amount = 1, max_res_amount = 1, time = 0, one_per_turf = 0, on_floor = 0, supplied_material = null)
src.title = title
src.result_type = result_type
src.req_amount = req_amount
src.res_amount = res_amount
src.max_res_amount = max_res_amount
src.time = time
src.one_per_turf = one_per_turf
src.on_floor = on_floor
src.use_material = supplied_material
/*
* Recipe list datum
*/
/datum/stack_recipe_list
var/title = "ERROR"
var/list/recipes = null
New(title, recipes)
src.title = title
src.recipes = recipes