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