microexpansion/modules/storage/api.lua

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-- storage/api.lua
local BASENAME = "microexpansion"
-- [function] register cell
function microexpansion.register_cell(itemstring, def)
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if not def.inventory_image then
def.inventory_image = itemstring
end
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-- register craftitem
minetest.register_craftitem(BASENAME..":"..itemstring, {
description = def.description,
inventory_image = BASENAME.."_"..def.inventory_image..".png",
groups = {microexpansion_cell = 1},
stack_max = 1,
microexpansion = {
base_desc = def.description,
drive = {
capacity = def.capacity or 5000,
},
},
})
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-- if recipe, register recipe
if def.recipe then
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microexpansion.register_recipe(BASENAME..":"..itemstring, def.recipe)
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end
end
-- [function] Get cell size
function microexpansion.get_cell_size(name)
if minetest.get_item_group(name, "microexpansion_cell") == 0 then
return 0
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end
local item = minetest.registered_craftitems[name]
return item.microexpansion.drive.capacity
end
-- [function] Calculate max stacks
function microexpansion.int_to_stacks(int)
return math.ceil(int / 99)
end
-- [function] Calculate number of pages
function microexpansion.int_to_pagenum(int)
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return math.floor(microexpansion.int_to_stacks(int) / 32)
end
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-- [function] Move items from inv to inv
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function microexpansion.move_inv(inv1, inv2, max)
if max <= 0 then return end
local finv, tinv = inv1.inv, inv2.inv
local fname, tname = inv1.name, inv2.name
local huge = inv2.huge
local inserted = 0
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for _,v in ipairs(finv:get_list(fname) or {}) do
local left = max-inserted
if left <= 0 then
break;
end
if not v:is_empty() then
if v:get_count() > left then
v = v:peek_item(left)
end
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if tinv and tinv:room_for_item(tname, v) then
if huge then
microexpansion.insert_item(v, tinv, tname)
finv:remove_item(fname, v)
else
local leftover = tinv:add_item(tname, v)
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finv:remove_item(fname, v)
if leftover and not(leftover:is_empty()) then
minetest.log("warning","leftover items when transfering inventory")
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finv:add_item(fname, leftover)
end
end
inserted = inserted + v:get_count()
end
end
end
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end