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local S = technic.getter
-- handles the machine upgrades every tick
function technic.handle_machine_upgrades(meta)
-- Get the names of the upgrades
local inv = meta:get_inventory()
local srcstack = inv:get_stack("upgrade1", 1)
local upg_item1 = srcstack and srcstack:get_name()
srcstack = inv:get_stack("upgrade2", 1)
local upg_item2 = srcstack and srcstack:get_name()
-- Save some power by installing battery upgrades.
-- Tube loading speed can be upgraded using control logic units.
local EU_upgrade = 0
local tube_upgrade = 0
if upg_item1 == "technic:control_logic_unit" then
tube_upgrade = tube_upgrade + 1
elseif upg_item1 == "technic:battery" then
EU_upgrade = EU_upgrade + 1
end
if upg_item2 == "technic:control_logic_unit" then
tube_upgrade = tube_upgrade + 1
elseif upg_item2 == "technic:battery" then
EU_upgrade = EU_upgrade + 1
end
return EU_upgrade, tube_upgrade
end
-- handles the machine upgrades when set or removed
local function on_machine_upgrade(meta, stack)
local stack_name = stack:get_name()
if stack_name == "default:chest" then
meta:set_int("public", 1)
return 1
elseif stack_name ~= "technic:control_logic_unit"
and stack_name ~= "technic:battery" then
return 0
end
return 1
end
-- something is about to be removed
local function on_machine_downgrade(meta, stack, list)
if stack:get_name() == "default:chest" then
local inv = meta:get_inventory()
local upg1, upg2 = inv:get_stack("upgrade1", 1), inv:get_stack("upgrade2", 1)
-- only set 0 if theres not a nother chest in the other list too
if (not upg1 or not upg2 or upg1:get_name() ~= upg2:get_name()) then
meta:set_int("public", 0)
end
end
return 1
end
function technic.send_items(pos, x_velocity, z_velocity, output_name)
-- Send items on their way in the pipe system.
if output_name == nil then
output_name = "dst"
end
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local i = 0
for _, stack in ipairs(inv:get_list(output_name)) do
i = i + 1
if stack then
local item0 = stack:to_table()
if item0 then
item0["count"] = "1"
technic.tube_inject_item(pos, pos, vector.new(x_velocity, 0, z_velocity), item0)
stack:take_item(1)
inv:set_stack(output_name, i, stack)
return
end
end
end
end
function technic.smelt_item(meta, result, speed)
local inv = meta:get_inventory()
meta:set_int("cook_time", meta:get_int("cook_time") + 1)
if meta:get_int("cook_time") < result.time / speed then
return
end
local result
local afterfuel
result, afterfuel = minetest.get_craft_result({method = "cooking", width = 1, items = inv:get_list("src")})
if result and result.item then
meta:set_int("cook_time", 0)
-- check if there's room for output in "dst" list
if inv:room_for_item("dst", result.item) then
inv:set_stack("src", 1, afterfuel.items[1])
inv:add_item("dst", result.item)
end
end
end
function technic.handle_machine_pipeworks(pos, tube_upgrade, send_function)
if send_function == nil then
send_function = technic.send_items
end
local node = minetest.get_node(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local pos1 = vector.new(pos)
local x_velocity = 0
local z_velocity = 0
-- Output is on the left side of the furnace
if node.param2 == 3 then pos1.z = pos1.z - 1 z_velocity = -1 end
if node.param2 == 2 then pos1.x = pos1.x - 1 x_velocity = -1 end
if node.param2 == 1 then pos1.z = pos1.z + 1 z_velocity = 1 end
if node.param2 == 0 then pos1.x = pos1.x + 1 x_velocity = 1 end
local output_tube_connected = false
local node1 = minetest.get_node(pos1)
if minetest.get_item_group(node1.name, "tubedevice") > 0 then
output_tube_connected = true
end
local tube_time = meta:get_int("tube_time") + tube_upgrade
if tube_time >= 2 then
tube_time = 0
if output_tube_connected then
send_function(pos, x_velocity, z_velocity)
end
end
meta:set_int("tube_time", tube_time)
end
function technic.machine_can_dig(pos, player)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
if not inv:is_empty("src") or not inv:is_empty("dst") then
if player then
minetest.chat_send_player(player:get_player_name(),
S("Machine cannot be removed because it is not empty"))
end
return false
end
return true
end
function technic.machine_after_dig_node(pos, oldnode, oldmetadata, player)
if oldmetadata.inventory then
if oldmetadata.inventory.upgrade1 and oldmetadata.inventory.upgrade1[1] then
local stack = ItemStack(oldmetadata.inventory.upgrade1[1])
if not stack:is_empty() then
minetest.item_drop(stack, "", pos)
end
end
if oldmetadata.inventory.upgrade2 and oldmetadata.inventory.upgrade2[1] then
local stack = ItemStack(oldmetadata.inventory.upgrade2[1])
if not stack:is_empty() then
minetest.item_drop(stack, "", pos)
end
end
end
if minetest.registered_nodes[oldnode.name].tube then
pipeworks.after_dig(pos, oldnode, oldmetadata, player)
end
end
local function inv_change(pos, player, count, from_list, to_list, stack)
local playername = player:get_player_name()
local meta = minetest.get_meta(pos);
local public = (meta:get_int("public") == 1)
local to_upgrade = to_list == "upgrade1" or to_list == "upgrade2"
local from_upgrade = from_list == "upgrade1" or from_list == "upgrade2"
if (not public or to_upgrade or from_upgrade) and minetest.is_protected(pos, playername) then
minetest.chat_send_player(playername, S("Inventory move disallowed due to protection"))
return 0
end
if to_upgrade then
-- only place a single item into it, if it's empty
local empty = meta:get_inventory():is_empty(to_list)
if empty then
return on_machine_upgrade(meta, stack)
end
return 0
elseif from_upgrade then
-- only called on take (not move)
on_machine_downgrade(meta, stack, from_list)
end
return count
end
function technic.machine_inventory_put(pos, listname, index, stack, player)
return inv_change(pos, player, stack:get_count(), nil, listname, stack)
end
function technic.machine_inventory_take(pos, listname, index, stack, player)
return inv_change(pos, player, stack:get_count(), listname, nil, stack)
end
function technic.machine_inventory_move(pos, from_list, from_index,
to_list, to_index, count, player)
local stack = minetest.get_meta(pos):get_inventory():get_stack(from_list, from_index)
return inv_change(pos, player, count, from_list, to_list, stack)
end
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