/* Stack type objects!
* Contains:
* Stacks
* Recipe datum
* Recipe list datum
*/
/*
* Stacks
*/
/obj/item/stack
gender = PLURAL
origin_tech = "materials=1"
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/uses_charge = 0
var/list/charge_costs = null
var/list/datum/matter_synth/synths = null
/obj/item/stack/New(var/loc, var/amount=null)
..()
if (!stacktype)
stacktype = type
if (amount)
src.amount = amount
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/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
if (src.get_amount() >= srl.req_amount)
t1 += "[srl.title] ([srl.req_amount] [src.singular_name]\s)"
else
t1 += "[srl.title] ([srl.req_amount] [src.singular_name]\s)
"
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 << "\red You haven't got enough [src] to build \the [produced] [recipe.title]\s!"
else
user << "\red 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 << "\red There is another [recipe.title] here!"
return
if (recipe.on_floor && !isfloor(user.loc))
user << "\red \The [recipe.title] must be constructed on the floor!"
return
if (recipe.time)
user << "\blue 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
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)
spawn(0) //delete the empty stack once the current context yields
if (amount <= 0) //check again in case someone transferred stuff to us
if(usr)
usr.remove_from_mob(src)
qdel(src)
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
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/usr as mob)
for (var/obj/item/stack/item in usr.loc)
if (item==src)
continue
var/transfer = src.transfer_to(item)
if (transfer)
usr << "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/obj/item/stack/F = src.split(1)
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
if (user.get_inactive_hand()==src)
src.transfer_to(S, 1)
else
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
var/req_amount = 1
New(title, recipes, req_amount = 1)
src.title = title
src.recipes = recipes
src.req_amount = req_amount