techage_modpack/techage/basis/conf_inv.lua
2022-09-24 11:01:30 +02:00

116 lines
2.7 KiB
Lua

--[[
TechAge
=======
Copyright (C) 2020 Joachim Stolberg
AGPL v3
See LICENSE.txt for more information
Configured inventory lib
Assuming the inventory has the name "conf"
]]--
-- for lazy programmers
local M = minetest.get_meta
local inv_lib = {}
function inv_lib.preassigned_stacks(pos, xsize, ysize)
local inv = M(pos):get_inventory()
local tbl = {}
for idx = 1, xsize * ysize do
local item_name = inv:get_stack("conf", idx):get_name()
if item_name ~= "" then
local x = (idx - 1) % xsize
local y = math.floor((idx - 1) / xsize)
tbl[#tbl+1] = "item_image["..x..","..y..";1,1;"..item_name.."]"
end
end
return table.concat(tbl, "")
end
function inv_lib.item_filter(pos, size)
local inv = M(pos):get_inventory()
local filter = {}
for idx = 1, size do
local item_name = inv:get_stack("conf", idx):get_name()
if item_name == "" then item_name = "unconfigured" end
if not filter[item_name] then
filter[item_name] = {}
end
table.insert(filter[item_name], idx)
end
return filter
end
function inv_lib.allow_conf_inv_put(pos, listname, index, stack, player)
local inv = M(pos):get_inventory()
local list = inv:get_list(listname)
if list[index]:get_count() == 0 then
stack:set_count(1)
inv:set_stack(listname, index, stack)
return 0
end
return 0
end
function inv_lib.allow_conf_inv_take(pos, listname, index, stack, player)
local inv = M(pos):get_inventory()
inv:set_stack(listname, index, nil)
return 0
end
function inv_lib.allow_conf_inv_move(pos, from_list, from_index, to_list, to_index, count, player)
local inv = minetest.get_meta(pos):get_inventory()
local stack = inv:get_stack(to_list, to_index)
if stack:get_count() == 0 then
return 1
else
return 0
end
end
function inv_lib.put_items(pos, inv, listname, item, stacks, idx)
local name = item:get_name()
local count = item:get_count()
for _, i in ipairs(stacks or {}) do
if not idx or idx == i then
local stack = inv:get_stack(listname, i)
local leftover = stack:add_item({name = name, count = count})
count = leftover:get_count()
inv:set_stack(listname, i, stack)
if count == 0 then
return true
end
end
end
if count > 0 then
return ItemStack({name = name, count = count})
end
return false
end
function inv_lib.take_item(pos, inv, listname, num, stacks)
local mem = techage.get_mem(pos)
mem.ta_startpos = mem.ta_startpos or 1
local size = #(stacks or {})
for i = 1, size do
local idx = stacks[((i + mem.ta_startpos) % size) + 1]
local stack = inv:get_stack(listname, idx)
local taken = stack:take_item(num)
if taken:get_count() > 0 then
inv:set_stack(listname, idx, stack)
mem.ta_startpos = mem.ta_startpos + i
return taken
end
end
end
return inv_lib