microexpansion/modules/storage/drive.lua

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-- microexpansion/machines.lua
local me = microexpansion
local access_level = microexpansion.constants.security.access_levels
local netdrives
-- load drives
local function load_drives()
local f = io.open(me.worldpath.."/microexpansion_drives", "r")
if f then
netdrives = minetest.deserialize(f:read("*all")) or {}
f:close()
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--[[
if type(res) == "table" then
for _,d in pairs(res) do
table.insert(netdrives,d)
end
end
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]]
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else
netdrives = {}
end
end
-- load now
load_drives()
-- save drives
local function save_drives()
local f = io.open(me.worldpath.."/microexpansion_drives", "w")
f:write(minetest.serialize(netdrives))
f:close()
end
-- save on server shutdown
minetest.register_on_shutdown(save_drives)
local function get_drive_controller(pos)
for i,d in pairs(netdrives) do
if d.dpos then
if vector.equals(pos, d.dpos) then
return d,i
end
end
end
return --false,#netdrives+1
end
local function set_drive_controller(dpos,setd,cpos,i)
if i then
local dt = netdrives[i]
if dt then
if setd then
dt.dpos = dpos
end
if cpos ~= nil then
dt.cpos = cpos
end
else
netdrives[i] = {dpos = dpos, cpos = cpos}
end
else
local dt = get_drive_controller(dpos)
if dt then
if setd then
dt.dpos = dpos
end
if cpos ~= nil then
dt.cpos = cpos
end
else
table.insert(netdrives,{dpos = dpos, cpos = cpos})
end
end
end
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local function write_to_cell(cell, items, item_count)
local size = microexpansion.get_cell_size(cell:get_name())
local item_meta = cell:get_meta()
--print(dump2(items,"cell_items"))
item_meta:set_string("items", minetest.serialize(items))
local base_desc = minetest.registered_craftitems[cell:get_name()].microexpansion.base_desc
-- Calculate Percentage
local percent = math.floor(item_count / size * 100)
-- Update description
item_meta:set_string("description", base_desc.."\n"..
minetest.colorize("grey", tostring(item_count).."/"..tostring(size).." Items ("..tostring(percent).."%)"))
return cell
end
local function write_drive_cells(pos,network)
local meta = minetest.get_meta(pos)
local own_inv = meta:get_inventory()
if network == nil then
return false
end
local ctrl_inv = network:get_inventory()
local cells = {}
for i = 1, own_inv:get_size("main") do
local cell = own_inv:get_stack("main", i)
local name = cell:get_name()
if name ~= "" then
cells[i] = cell
end
end
local cell_idx = next(cells)
if cell_idx == nil then
return
end
local size = microexpansion.get_cell_size(cells[cell_idx]:get_name())
local items_in_cell_count = 0
local cell_items = {}
for i = 1, ctrl_inv:get_size("main") do
local stack_inside = ctrl_inv:get_stack("main", i)
local item_string = stack_inside:to_string()
if item_string ~= "" then
item_string = item_string:split(" ")
local item_count = stack_inside:get_count()
if item_count > 1 and item_string[2] ~= tostring(item_count) then
microexpansion.log("stack count differs from second field of the item string","warning")
end
while item_count ~= 0 and cell_idx ~= nil do
--print(("stack to store: %q"):format(table.concat(item_string," ")))
if size < items_in_cell_count + item_count then
local space = size - items_in_cell_count
item_string[2] = tostring(space)
table.insert(cell_items,table.concat(item_string," "))
items_in_cell_count = items_in_cell_count + space
own_inv:set_stack("main", cell_idx, write_to_cell(cells[cell_idx],cell_items,items_in_cell_count))
cell_idx = next(cells, cell_idx)
if cell_idx == nil then
--there may be other drives within the network
microexpansion.log("too many items to store in drive","info")
break
end
size = microexpansion.get_cell_size(cells[cell_idx]:get_name())
items_in_cell_count = 0
cell_items = {}
item_count = item_count - space
else
items_in_cell_count = items_in_cell_count + item_count
item_string[2] = tostring(item_count)
table.insert(cell_items,table.concat(item_string," "))
item_count = 0
end
end
end
if cell_idx == nil then
break
end
end
while cell_idx ~= nil do
own_inv:set_stack("main", cell_idx, write_to_cell(cells[cell_idx],cell_items,items_in_cell_count))
items_in_cell_count = 0
cell_items = {}
cell_idx = next(cells, cell_idx)
end
return true
end
local function take_all(pos,net)
local meta = minetest.get_meta(pos)
local own_inv = meta:get_inventory()
local ctrl_inv = net:get_inventory()
local items = {}
for i = 1, own_inv:get_size("main") do
local stack = own_inv:get_stack("main", i)
local name = stack:get_name()
if name ~= "" then
local its = minetest.deserialize(stack:get_meta():get_string("items"))
for _,s in pairs(its) do
table.insert(items,s)
end
end
end
for _,ostack in pairs(items) do
--this returns 99 (max count) even if it removes more
ctrl_inv:remove_item("main", ostack)
print(ostack)
end
net:update()
me.send_event(pos,"items")
end
local function add_all(pos,net)
local meta = minetest.get_meta(pos)
local own_inv = meta:get_inventory()
local ctrl_inv = net:get_inventory()
local items = {}
for i = 1, own_inv:get_size("main") do
local stack = own_inv:get_stack("main", i)
local name = stack:get_name()
if name ~= "" then
local its = minetest.deserialize(stack:get_meta():get_string("items"))
if its then
for _,s in pairs(its) do
table.insert(items,s)
end
end
end
end
for _,ostack in pairs(items) do
me.insert_item(ostack, ctrl_inv, "main")
print(ostack)
end
net:update()
me.send_event(pos,"items",{net = net})
end
function me.disconnect_drive(pos,ncpos)
microexpansion.log("disconnecting drive at "..minetest.pos_to_string(pos),"action")
local fc,i = get_drive_controller(pos)
if not fc.cpos then
return
end
local fnet = me.get_network(fc.cpos)
write_drive_cells(pos,fnet)
if ncpos then
set_drive_controller(pos,false,ncpos,i)
else
set_drive_controller(pos,false,false,i)
end
if fnet then
take_all(pos,fnet)
else
microexpansion.log("drive couldn't take items from its former network","warning")
end
end
local function update_drive(pos,_,ev)
if ev.type~="connect" and ev.type~="disconnect" then
return
end
local fc,i = get_drive_controller(pos)
local cnet = ev.net or me.get_connected_network(pos)
if cnet then
if not fc then
microexpansion.log("connecting drive at "..minetest.pos_to_string(pos),"action")
set_drive_controller(pos,true,cnet.controller_pos,i)
add_all(pos,cnet)
elseif not fc.cpos then
microexpansion.log("connecting drive at "..minetest.pos_to_string(pos),"action")
set_drive_controller(pos,false,cnet.controller_pos,i)
add_all(pos,cnet)
elseif not vector.equals(fc.cpos,cnet.controller_pos) then
microexpansion.log("reconnecting drive at "..minetest.pos_to_string(pos),"action")
write_drive_cells(pos,me.get_network(fc.cpos))
set_drive_controller(pos,false,cnet.controller_pos,i)
add_all(pos,cnet)
me.disconnect_drive(pos,cnet.controller_pos)
else
if ev.origin.name == "microexpansion:ctrl" then
me.disconnect_drive(pos,false)
end
end
else
if fc then
if fc.cpos then
me.disconnect_drive(pos,false)
end
end
end
end
if minetest.get_modpath("mcl_core") then
drive_recipe = {
{ 1, {
{"mcl_core:iron_ingot", "mcl_chests:chest", "mcl_core:iron_ingot"},
{"mcl_core:iron_ingot", "microexpansion:machine_casing", "mcl_core:iron_ingot"},
{"mcl_core:iron_ingot", "mcl_chests:chest", "mcl_core:iron_ingot"},
},
}}
else
drive_recipe = {
{ 1, {
{"default:steel_ingot", "default:chest", "default:steel_ingot" },
{"default:steel_ingot", "microexpansion:machine_casing", "default:steel_ingot" },
{"default:steel_ingot", "default:chest", "default:steel_ingot" },
},
}
}
end
-- [me chest] Register node
microexpansion.register_node("drive", {
description = "ME Drive",
usedfor = "Stores items into ME storage cells",
tiles = {
"chest_top",
"chest_top",
"chest_side",
"chest_side",
"chest_side",
"drive_full",
},
recipe = drive_recipe,
is_ground_content = false,
groups = { cracky = 1, me_connect = 1 },
paramtype = "light",
paramtype2 = "facedir",
me_update = update_drive,
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_string("formspec",
"size[9,9.5]"..
microexpansion.gui_bg ..
microexpansion.gui_slots ..
[[
label[0,-0.23;ME Drive]
list[context;main;0,0.3;8,4]
list[current_player;main;0,5.5;8,1;]
list[current_player;main;0,6.73;8,3;8]
listring[current_name;main]
listring[current_player;main]
field_close_on_enter[filter;false]
]])
local inv = meta:get_inventory()
inv:set_size("main", 10)
me.send_event(pos,"connect")
end,
can_dig = function(pos, player)
if not player then
return false
end
local name = player:get_player_name()
if minetest.is_protected(pos, name) then
minetest.record_protection_violation(pos, name)
return false
end
local net,cp = me.get_connected_network(pos)
if not net then
return true
end
if net:get_access_level(name) < access_level.modify then
return false
end
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
return inv:is_empty("main")
end,
after_destruct = function(pos)
me.send_event(pos,"disconnect")
end,
allow_metadata_inventory_put = function(pos, _, _, stack, player)
local network = me.get_connected_network(pos)
if network then
if network:get_access_level(player) < access_level.interact then
return 0
end
elseif minetest.is_protected(pos, player) then
minetest.record_protection_violation(pos, player)
return 0
end
if minetest.get_item_group(stack:get_name(), "microexpansion_cell") == 0 then
return 0
else
return 1
end
end,
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on_metadata_inventory_put = function(pos, _, _, stack)
me.send_event(pos,"item_cap")
local network = me.get_connected_network(pos)
if network == nil then
return
end
local ctrl_inv = network:get_inventory()
local items = minetest.deserialize(stack:get_meta():get_string("items"))
if items == nil then
print("no items")
me.send_event(pos,"items",{net=network})
return
end
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network:set_storage_space(#items)
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for _,s in pairs(items) do
me.insert_item(s, ctrl_inv, "main")
end
me.send_event(pos,"items",{net=network})
end,
allow_metadata_inventory_take = function(pos,_,_,stack, player) --args: pos, listname, index, stack, player
local network = me.get_connected_network(pos)
if network then
write_drive_cells(pos,network)
if network:get_access_level(player) < access_level.interact then
return 0
end
elseif minetest.is_protected(pos, player) then
minetest.record_protection_violation(pos, player)
return 0
end
return stack:get_count()
end,
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on_metadata_inventory_take = function(pos, _, _, stack)
local network = me.get_connected_network(pos)
if network == nil then
return
end
me.send_event(pos,"item_cap",{net=network})
local ctrl_inv = network:get_inventory()
local items = minetest.deserialize(stack:get_meta():get_string("items"))
if items == nil then
network:update()
return
end
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for _,ostack in pairs(items) do
--this returns 99 (max count) even if it removes more
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ctrl_inv:remove_item("main", ostack)
end
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--print(stack:to_string())
network:update()
me.send_event(pos,"items",{net=network})
end,
})
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if me.uinv_category_enabled then
unified_inventory.add_category_item("storage", "microexpansion:drive")
end