minetest-mods/basic_machines/autocrafter.lua

354 lines
12 KiB
Lua
Raw Normal View History

2019-12-14 17:47:31 +01:00
-- modified and adapted from pipeworks mod by VanessaE
-- by rnd
-- disabled timers and on/off button, now autocrafter is only activated by signal
local autocrafterCache = {} -- caches some recipe data to avoid to call the slow function minetest.get_craft_result() every second
local craft_time = 1
local function count_index(invlist)
local index = {}
for _, stack in pairs(invlist) do
if not stack:is_empty() then
local stack_name = stack:get_name()
index[stack_name] = (index[stack_name] or 0) + stack:get_count()
end
end
return index
end
local function get_item_info(stack)
local name = stack:get_name()
local def = minetest.registered_items[name]
local description = def and def.description or "Unknown item"
return description, name
end
local function get_craft(pos, inventory, hash)
local hash = hash or minetest.hash_node_position(pos)
local craft = autocrafterCache[hash]
if not craft then
local recipe = inventory:get_list("recipe")
local output, decremented_input = minetest.get_craft_result({method = "normal", width = 3, items = recipe})
craft = {recipe = recipe, consumption=count_index(recipe), output = output, decremented_input = decremented_input}
autocrafterCache[hash] = craft
end
return craft
end
local function autocraft(inventory, craft)
if not craft then return false end
local output_item = craft.output.item
-- check if we have enough room in dst
if not inventory:room_for_item("dst", output_item) then return false end
local consumption = craft.consumption
local inv_index = count_index(inventory:get_list("src"))
-- check if we have enough material available
for itemname, number in pairs(consumption) do
if (not inv_index[itemname]) or inv_index[itemname] < number then return false end
end
-- consume material
for itemname, number in pairs(consumption) do
for i = 1, number do -- We have to do that since remove_item does not work if count > stack_max
inventory:remove_item("src", ItemStack(itemname))
end
end
-- craft the result into the dst inventory and add any "replacements" as well
inventory:add_item("dst", output_item)
for i = 1, 9 do
inventory:add_item("dst", craft.decremented_input.items[i])
end
return true
end
-- returns false to stop the timer, true to continue running
-- is started only from start_autocrafter(pos) after sanity checks and cached recipe
local function run_autocrafter(pos, elapsed)
local meta = minetest.get_meta(pos)
local inventory = meta:get_inventory()
local craft = get_craft(pos, inventory)
local output_item = craft.output.item
-- only use crafts that have an actual result
if output_item:is_empty() then
meta:set_string("infotext", "unconfigured Autocrafter: unknown recipe")
return false
end
for step = 1, math.floor(elapsed/craft_time) do
local continue = autocraft(inventory, craft)
if not continue then return false end
end
return true
end
local function start_crafter(pos) -- rnd we dont need timer anymore
-- local meta = minetest.get_meta(pos)
-- if meta:get_int("enabled") == 1 then
-- local timer = minetest.get_node_timer(pos)
-- if not timer:is_started() then
-- timer:start(craft_time)
-- end
-- end
end
local function after_inventory_change(pos)
start_crafter(pos)
end
-- note, that this function assumes allready being updated to virtual items
-- and doesn't handle recipes with stacksizes > 1
local function after_recipe_change(pos, inventory)
local meta = minetest.get_meta(pos)
-- if we emptied the grid, there's no point in keeping it running or cached
if inventory:is_empty("recipe") then
--minetest.get_node_timer(pos):stop()
autocrafterCache[minetest.hash_node_position(pos)] = nil
meta:set_string("infotext", "unconfigured Autocrafter")
return
end
local recipe_changed = false
local recipe = inventory:get_list("recipe")
local hash = minetest.hash_node_position(pos)
local craft = autocrafterCache[hash]
if craft then
-- check if it changed
local cached_recipe = craft.recipe
for i = 1, 9 do
if recipe[i]:get_name() ~= cached_recipe[i]:get_name() then
autocrafterCache[hash] = nil -- invalidate recipe
craft = nil
break
end
end
end
craft = craft or get_craft(pos, inventory, hash)
local output_item = craft.output.item
local description, name = get_item_info(output_item)
meta:set_string("infotext", string.format("'%s' Autocrafter (%s)", description, name))
inventory:set_stack("output", 1, output_item)
after_inventory_change(pos)
end
-- clean out unknown items and groups, which would be handled like unknown items in the crafting grid
-- if minetest supports query by group one day, this might replace them
-- with a canonical version instead
local function normalize(item_list)
for i = 1, #item_list do
local name = item_list[i]
if not minetest.registered_items[name] then
item_list[i] = ""
end
end
return item_list
end
local function on_output_change(pos, inventory, stack)
if not stack then
inventory:set_list("output", {})
inventory:set_list("recipe", {})
else
local input = minetest.get_craft_recipe(stack:get_name())
if not input.items or input.type ~= "normal" then return end
local items, width = normalize(input.items), input.width
local item_idx, width_idx = 1, 1
for i = 1, 9 do
if width_idx <= width then
inventory:set_stack("recipe", i, items[item_idx])
item_idx = item_idx + 1
else
inventory:set_stack("recipe", i, ItemStack(""))
end
width_idx = (width_idx < 3) and (width_idx + 1) or 1
end
-- we'll set the output slot in after_recipe_change to the actual result of the new recipe
end
after_recipe_change(pos, inventory)
end
-- returns false if we shouldn't bother attempting to start the timer again after this
local function update_meta(meta, enabled)
--local state = enabled and "on" or "off"
--meta:set_int("enabled", enabled and 1 or 0)
meta:set_string("formspec",
"size[8,11]"..
"list[context;recipe;0,0;3,3;]"..
"image[3,1;1,1;gui_hb_bg.png^[colorize:#141318:255]"..
"list[context;output;3,1;1,1;]"..
--"image_button[3,2;1,1;pipeworks_button_" .. state .. ".png;" .. state .. ";;;false;pipeworks_button_interm.png]" .. -- rnd disable button
"list[context;src;0,3.5;8,3;]"..
"list[context;dst;4,0;4,3;]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
default.get_hotbar_bg(0,7)..
"list[current_player;main;0,7;8,4;]"..
"listring[context;dst]"..
"listring[current_player;main]"..
"listring[context;src]"..
"listring[current_player;main]"..
"listring[context;recipe]"..
"listring[current_player;main]"
)
-- toggling the button doesn't quite call for running a recipe change check
-- so instead we run a minimal version for infotext setting only
-- this might be more written code, but actually executes less
local output = meta:get_inventory():get_stack("output", 1)
if output:is_empty() then -- doesn't matter if paused or not
meta:set_string("infotext", "unconfigured Autocrafter: Place items for recipe top left. To operate place required items in bottom space (src inventory) and activated with keypad signal. Obtain crafted item from top right (dst inventory).")
return false
end
local description, name = get_item_info(output)
local infotext = enabled and string.format("'%s' Autocrafter (%s)", description, name)
or string.format("paused '%s' Autocrafter", description)
meta:set_string("infotext", infotext)
return enabled
end
-- 1st version of the autocrafter had actual items in the crafting grid
-- the 2nd replaced these with virtual items, dropped the content on update and set "virtual_items" to string "1"
-- the third added an output inventory, changed the formspec and added a button for enabling/disabling
-- so we work out way backwards on this history and update each single case to the newest version
local function upgrade_autocrafter(pos, meta)
local meta = meta or minetest.get_meta(pos)
local inv = meta:get_inventory()
if inv:get_size("output") == 0 then -- we are version 2 or 1
inv:set_size("output", 1)
-- migrate the old autocrafters into an "enabled" state
update_meta(meta, true)
if meta:get_string("virtual_items") == "1" then -- we are version 2
-- we allready dropped stuff, so lets remove the metadatasetting (we are not being called again for this node)
meta:set_string("virtual_items", "")
else -- we are version 1
local recipe = inv:get_list("recipe")
if not recipe then return end
for idx, stack in ipairs(recipe) do
if not stack:is_empty() then
minetest.item_drop(stack, "", pos)
stack:set_count(1)
stack:set_wear(0)
inv:set_stack("recipe", idx, stack)
end
end
end
-- update the recipe, cache, and start the crafter
autocrafterCache[minetest.hash_node_position(pos)] = nil
after_recipe_change(pos, inv)
end
end
minetest.register_node("basic_machines:autocrafter", {
description = "Autocrafter",
drawtype = "normal",
tiles = {"pipeworks_autocrafter.png"},
groups = {cracky=3, mesecon_effector_on = 1},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
inv:set_size("src", 3*8)
inv:set_size("recipe", 3*3)
inv:set_size("dst", 4*3)
inv:set_size("output", 1)
update_meta(meta, false)
end,
on_receive_fields = function(pos, formname, fields, sender)
--if not pipeworks.may_configure(pos, sender) then return end
local meta = minetest.get_meta(pos)
if fields.on then
update_meta(meta, false)
--minetest.get_node_timer(pos):stop()
elseif fields.off then
if update_meta(meta, true) then
start_crafter(pos)
end
end
end,
can_dig = function(pos, player)
upgrade_autocrafter(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
return (inv:is_empty("src") and inv:is_empty("dst"))
end,
after_place_node = function(pos, placer) -- rnd : set owner
local meta = minetest.get_meta(pos);
meta:set_string("owner", placer:get_player_name());
end,
--after_place_node = pipeworks.scan_for_tube_objects,
--after_dig_node = function(pos)
--pipeworks.scan_for_tube_objects(pos)
--end,
on_destruct = function(pos)
autocrafterCache[minetest.hash_node_position(pos)] = nil
end,
allow_metadata_inventory_put = function(pos, listname, index, stack, player)
--if not pipeworks.may_configure(pos, player) then return 0 end
local meta = minetest.get_meta(pos);if meta:get_string("owner")~=player:get_player_name() then return 0 end -- rnd
upgrade_autocrafter(pos)
local inv = minetest.get_meta(pos):get_inventory()
if listname == "recipe" then
stack:set_count(1)
inv:set_stack(listname, index, stack)
after_recipe_change(pos, inv)
return 0
elseif listname == "output" then
on_output_change(pos, inv, stack)
return 0
end
after_inventory_change(pos)
return stack:get_count()
end,
allow_metadata_inventory_take = function(pos, listname, index, stack, player)
--if not pipeworks.may_configure(pos, player) then
-- minetest.log("action", string.format("%s attempted to take from autocrafter at %s", player:get_player_name(), minetest.pos_to_string(pos)))
-- return 0
-- end
local meta = minetest.get_meta(pos);if meta:get_string("owner")~=player:get_player_name() then return 0 end -- rnd
upgrade_autocrafter(pos)
local inv = minetest.get_meta(pos):get_inventory()
if listname == "recipe" then
inv:set_stack(listname, index, ItemStack(""))
after_recipe_change(pos, inv)
return 0
elseif listname == "output" then
on_output_change(pos, inv, nil)
return 0
end
after_inventory_change(pos)
return stack:get_count()
end,
allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
return 0; -- no internal inventory moves!
end,
mesecons = {effector = { -- rnd: run machine when activated by signal
action_on = function (pos, node,ttl)
if type(ttl)~="number" then ttl = 1 end
if ttl<0 then return end -- machines_TTL prevents infinite recursion
run_autocrafter(pos, craft_time);
end
}
}
--on_timer = run_autocrafter -- rnd
})
-- minetest.register_craft( {
-- output = "basic_machines:autocrafter",
-- recipe = {
-- { "default:steel_ingot", "default:mese_crystal", "default:steel_ingot" },
-- { "default:diamondblock", "default:steel_ingot", "default:diamondblock" },
-- { "default:steel_ingot", "default:mese_crystal", "default:steel_ingot" }
-- },
-- })