microexpansion/modules/storage/api.lua

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-- storage/api.lua
local BASENAME = "microexpansion"
-- [function] register cell
function microexpansion.register_cell(itemstring, def)
if not def.inventory_image then
def.inventory_image = itemstring
end
-- register craftitem
minetest.register_craftitem(BASENAME..":"..itemstring, {
description = def.description,
inventory_image = BASENAME.."_"..def.inventory_image..".png",
groups = {microexpansion_cell = 1},
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stack_max = 1,
microexpansion = {
base_desc = def.description,
drive = {
capacity = def.capacity or 5000,
},
},
})
-- if recipe, register recipe
if def.recipe then
-- if recipe, register recipe
if def.recipe then
microexpansion.register_recipe(BASENAME..":"..itemstring, def.recipe)
end
end
end
-- [function] Get cell size
function microexpansion.get_cell_size(name)
local item = minetest.registered_craftitems[name]
if item then
return item.microexpansion.drive.capacity
end
end
-- [function] Calculate max stacks
function microexpansion.int_to_stacks(int)
return math.floor(int / 99)
end
-- [function] Calculate number of pages
function microexpansion.int_to_pagenum(int)
return math.floor(microexpansion.int_to_stacks(int) / 32)
end
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-- [function] Move items from inv to inv
function microexpansion.move_inv(inv1, inv2)
local finv, tinv = inv1.inv, inv2.inv
local fname, tname = inv1.name, inv2.name
for i,v in ipairs(finv:get_list(fname) or {}) do
if tinv and tinv:room_for_item(tname, v) then
local leftover = tinv:add_item( tname, v )
finv:remove_item(fname, v)
if leftover and not(leftover:is_empty()) then
finv:add_item(fname, v)
end
end
end
end
-- [function] Update cell description
function microexpansion.cell_desc(inv, listname, spos)
local stack = inv:get_stack(listname, spos)
if stack:get_name() ~= "" then
local meta = stack:get_meta()
local base_desc = minetest.registered_craftitems[stack:get_name()].microexpansion.base_desc
local max_slots = inv:get_size("main")
local max_items = math.floor(max_slots * 99)
local slots, items = 0, 0
-- Get amount of items in drive
for i = 1, max_items do
local stack = inv:get_stack("main", i)
local item = stack:get_name()
if item ~= "" then
slots = slots + 1
local num = stack:get_count()
if num == 0 then num = 1 end
items = items + num
end
end
-- Update description
meta:set_string("description", base_desc.."\n"..
minetest.colorize("grey", tostring(items).."/"..tostring(max_items).." Items"))
-- Update stack
inv:set_stack(listname, spos, stack)
end
end