techpack/tubelib_addons1/fermenter.lua
2018-06-30 09:35:07 +02:00

318 lines
8.8 KiB
Lua

--[[
Tubelib Addons 1
================
Copyright (C) 2017 Joachim Stolberg
LGPLv2.1+
See LICENSE.txt for more information
fermenter.lua
The Fermenter converts 2 leave items of any kind into one Bio Gas item,
needed by the Reformer to produce Bio Fuel.
]]--
local CYCLE_TIME = 4
local TICKS_TO_SLEEP = 5
local STOP_STATE = 0
local STANDBY_STATE = -1
local FAULT_STATE = -3
local function formspec(state)
return "size[8,8]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"list[context;src;0,0;3,3;]"..
"item_image[0,0;1,1;default:leaves]"..
"image[3.5,1;1,1;tubelib_gui_arrow.png]"..
"image_button[3.5,3;1,1;".. tubelib.state_button(state) ..";button;]"..
"list[context;dst;5,0;3,3;]"..
"item_image[5,0;1,1;tubelib_addons1:biogas]"..
"list[current_player;main;0,4.3;8,4;]"..
"listring[context;dst]"..
"listring[current_player;main]"..
"listring[context;src]"..
"listring[current_player;main]"
end
local function is_leaves(name)
return tubelib_addons1.FarmingNodes[name] ~= nil and
(tubelib_addons1.FarmingNodes[name].leaves == true or
minetest.get_node_group(name, "leaves") > 0)
end
local function allow_metadata_inventory_put(pos, listname, index, stack, player)
if minetest.is_protected(pos, player:get_player_name()) then
return 0
end
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
if listname == "src" and is_leaves(stack:get_name()) then
return stack:get_count()
elseif listname == "dst" then
return stack:get_count()
end
return 0
end
local function allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local stack = inv:get_stack(from_list, from_index)
return allow_metadata_inventory_put(pos, to_list, to_index, stack, player)
end
local function allow_metadata_inventory_take(pos, listname, index, stack, player)
if minetest.is_protected(pos, player:get_player_name()) then
return 0
end
return stack:get_count()
end
local function place_top(pos, facedir, placer)
if minetest.is_protected(pos, placer:get_player_name()) then
return false
end
local node = minetest.get_node(pos)
if node.name ~= "air" then
return false
end
minetest.add_node(pos, {name="tubelib_addons1:fermenter_top", param2=facedir})
return true
end
local function convert_leaves_to_biogas(meta)
local inv = meta:get_inventory()
local biogas = ItemStack("tubelib_addons1:biogas")
if inv:room_for_item("dst", biogas) then -- enough output space?
local items = tubelib.get_num_items(meta, "src", 2)
if items then -- input available?
if is_leaves(items:get_name()) then
inv:add_item("dst", biogas)
return true
else
inv:add_item("src", items)
return nil -- error
end
else
return false -- standby
end
else
return false -- standby
end
end
local function start_the_machine(pos)
local meta = minetest.get_meta(pos)
local number = meta:get_string("number")
meta:set_int("running", TICKS_TO_SLEEP)
meta:set_string("infotext", "Tubelib Fermenter "..number..": running")
meta:set_string("formspec", formspec(tubelib.RUNNING))
minetest.get_node_timer(pos):start(CYCLE_TIME)
return false
end
local function stop_the_machine(pos)
local meta = minetest.get_meta(pos)
local number = meta:get_string("number")
meta:set_int("running", STOP_STATE)
minetest.get_node_timer(pos):stop()
meta:set_string("infotext", "Tubelib Fermenter "..number..": stopped")
meta:set_string("formspec", formspec(tubelib.STOPPED))
return false
end
local function goto_sleep(pos)
local meta = minetest.get_meta(pos)
local number = meta:get_string("number")
meta:set_int("running", STANDBY_STATE)
minetest.get_node_timer(pos):start(CYCLE_TIME * TICKS_TO_SLEEP)
meta:set_string("infotext", "Tubelib Fermenter "..number..": standby")
meta:set_string("formspec", formspec(tubelib.STANDBY))
return false
end
local function goto_fault(pos)
local meta = minetest.get_meta(pos)
local number = meta:get_string("number")
meta:set_int("running", FAULT_STATE)
minetest.get_node_timer(pos):stop()
meta:set_string("infotext", "Tubelib Fermenter "..number..": fault")
meta:set_string("formspec", formspec(tubelib.FAULT))
return false
end
local function keep_running(pos, elapsed)
local meta = minetest.get_meta(pos)
local running = meta:get_int("running") - 1
local res = convert_leaves_to_biogas(meta)
if res == true then
if running <= STOP_STATE then
return start_the_machine(pos)
else
running = TICKS_TO_SLEEP
end
elseif res == false then
if running <= STOP_STATE then
local node = minetest.get_node(pos)
return goto_sleep(pos, node)
end
else
return goto_fault(pos)
end
meta:set_int("running", running)
meta:set_string("formspec", formspec(tubelib.RUNNING))
return true
end
local function on_receive_fields(pos, formname, fields, player)
if minetest.is_protected(pos, player:get_player_name()) then
return
end
local meta = minetest.get_meta(pos)
local running = meta:get_int("running") or STOP_STATE
if fields.button ~= nil then
if running > STOP_STATE or running == FAULT_STATE then
stop_the_machine(pos)
else
start_the_machine(pos)
end
end
end
minetest.register_node("tubelib_addons1:fermenter", {
description = "Tubelib Fermenter",
inventory_image = "tubelib_addons1_fermenter_inventory.png",
tiles = {
-- up, down, right, left, back, front
'tubelib_front.png',
'tubelib_front.png',
'tubelib_addons1_fermenter_bottom.png',
'tubelib_addons1_fermenter_bottom.png',
'tubelib_addons1_fermenter_bottom.png',
'tubelib_addons1_fermenter_bottom.png',
},
selection_box = {
type = "fixed",
fixed = { -8/16, -8/16, -8/16, 8/16, 24/16, 8/16 },
},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
inv:set_size('src', 9)
inv:set_size('dst', 9)
end,
after_place_node = function(pos, placer)
local facedir = minetest.dir_to_facedir(placer:get_look_dir(), false)
if place_top({x=pos.x, y=pos.y+1, z=pos.z}, facedir, placer) == false then
minetest.remove_node(pos)
return
end
local number = tubelib.add_node(pos, "tubelib_addons1:fermenter")
local meta = minetest.get_meta(pos)
meta:set_string("number", number)
meta:set_int("running", STOP_STATE)
meta:set_string("infotext", "Tubelib Fermenter "..number..": stopped")
meta:set_string("formspec", formspec(tubelib.STOPPED))
end,
on_dig = function(pos, node, puncher, pointed_thing)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
if inv:is_empty("dst") and inv:is_empty("src") then
minetest.node_dig(pos, node, puncher, pointed_thing)
minetest.remove_node({x=pos.x, y=pos.y+1, z=pos.z})
tubelib.remove_node(pos)
end
end,
on_rotate = screwdriver.disallow,
on_timer = keep_running,
on_receive_fields = on_receive_fields,
allow_metadata_inventory_put = allow_metadata_inventory_put,
allow_metadata_inventory_move = allow_metadata_inventory_move,
allow_metadata_inventory_take = allow_metadata_inventory_take,
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {choppy=2, cracky=2, crumbly=2},
is_ground_content = false,
sounds = default.node_sound_metal_defaults(),
})
minetest.register_node("tubelib_addons1:fermenter_top", {
description = "Tubelib Fermenter Top",
tiles = {
-- up, down, right, left, back, front
'tubelib_front.png',
"tubelib_front.png",
'tubelib_addons1_fermenter_top.png',
'tubelib_addons1_fermenter_top.png',
'tubelib_addons1_fermenter_top.png',
'tubelib_addons1_fermenter_top.png',
},
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {crumbly=0, not_in_creative_inventory=1},
is_ground_content = false,
pointable = false,
})
minetest.register_craftitem("tubelib_addons1:biogas", {
description = "Bio Gas",
inventory_image = "tubelib_addons1_biogas.png",
})
minetest.register_craft({
output = "tubelib_addons1:fermenter",
recipe = {
{"default:steel_ingot", "default:dirt", "default:steel_ingot"},
{"tubelib:tube1", "default:mese_crystal", "tubelib:tube1"},
{"default:steel_ingot", "group:wood", "default:steel_ingot"},
},
})
tubelib.register_node("tubelib_addons1:fermenter", {}, {
on_pull_item = function(pos, side)
local meta = minetest.get_meta(pos)
return tubelib.get_item(meta, "dst")
end,
on_push_item = function(pos, side, item)
local meta = minetest.get_meta(pos)
return tubelib.put_item(meta, "src", item)
end,
on_unpull_item = function(pos, side, item)
local meta = minetest.get_meta(pos)
return tubelib.put_item(meta, "dst", item)
end,
on_recv_message = function(pos, topic, payload)
if topic == "on" then
start_the_machine(pos)
elseif topic == "off" then
stop_the_machine(pos)
elseif topic == "state" then
local meta = minetest.get_meta(pos)
local running = meta:get_int("running")
return tubelib.statestring(running)
else
return "unsupported"
end
end,
})