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techpack/tubelib_addons3/distributor.lua
Andrey Kozlovskiy db11cc0e92 Fixes to metadata_inventory functions in distributor code
2019-08-08 16:59:17 +03:00

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--[[
Tubelib Addons 3
================
Copyright (C) 2018-2019 Joachim Stolberg
LGPLv2.1+
See LICENSE.txt for more information
distributor.lua:
A high performance distributor
]]--
-- for lazy programmers
local S = function(pos) if pos then return minetest.pos_to_string(pos) end end
local P = minetest.string_to_pos
local M = minetest.get_meta
local NUM_FILTER_ELEM = 6
local NUM_FILTER_SLOTS = 4
local COUNTDOWN_TICKS = 8
local STANDBY_TICKS = 4
local CYCLE_TIME = 2
local function formspec(self, pos, meta)
local filter = minetest.deserialize(meta:get_string("filter")) or {false,false,false,false}
return "size[10.5,8.5]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"list[context;src;0,0;2,4;]"..
"image[2,1.5;1,1;tubelib_gui_arrow.png]"..
"image_button[2,3;1,1;"..self:get_state_button_image(meta)..";state_button;]"..
"checkbox[3,0;filter1;On;"..dump(filter[1]).."]"..
"checkbox[3,1;filter2;On;"..dump(filter[2]).."]"..
"checkbox[3,2;filter3;On;"..dump(filter[3]).."]"..
"checkbox[3,3;filter4;On;"..dump(filter[4]).."]"..
"image[4,0;0.3,1;tubelib_red.png]"..
"image[4,1;0.3,1;tubelib_green.png]"..
"image[4,2;0.3,1;tubelib_blue.png]"..
"image[4,3;0.3,1;tubelib_yellow.png]"..
"list[context;red;4.5,0;6,1;]"..
"list[context;green;4.5,1;6,1;]"..
"list[context;blue;4.5,2;6,1;]"..
"list[context;yellow;4.5,3;6,1;]"..
"list[current_player;main;1.25,4.5;8,4;]"..
"listring[context;src]"..
"listring[current_player;main]"
end
local State = tubelib.NodeStates:new({
node_name_passive = "tubelib_addons3:distributor",
node_name_active = "tubelib_addons3:distributor_active",
node_name_defect = "tubelib_addons3:distributor_defect",
infotext_name = "HighPerf Distributor",
cycle_time = CYCLE_TIME,
standby_ticks = STANDBY_TICKS,
aging_factor = 50,
formspec_func = formspec,
})
-- Return the total number of list entries
local function invlist_num_entries(list)
local res = 0
for _,items in ipairs(list) do
local name = items:get_name()
if name ~= "" then
res = res + items:get_count()
end
end
return res
end
-- Return a flat table with all items
local function invlist_entries_as_list(list)
local res = {}
for _,items in ipairs(list) do
local name = items:get_name()
local count = items:get_count()
if name ~= "" then
for i = 1,count do
res[#res+1] = name
end
end
end
return res
end
local function AddToTbl(kvTbl, new_items, val)
for _, l in ipairs(new_items) do
if kvTbl[l] == nil then
kvTbl[l] = {val}
else
kvTbl[l][#kvTbl[l] + 1] = val
end
end
return kvTbl
end
local function random_list_elem(list)
if list == nil then
return nil
elseif #list > 1 then
return list[math.random(1, #list)]
else
return list[1]
end
end
local Side2Color = {B="red", L="green", F="blue", R="yellow"}
local SlotColors = {"red", "green", "blue", "yellow"}
local Num2Ascii = {"B", "L", "F", "R"}
local FilterCache = {} -- local cache for filter settings
local function filter_settings(pos)
local hash = minetest.hash_node_position(pos)
local meta = M(pos)
local inv = meta:get_inventory()
local filter = minetest.deserialize(meta:get_string("filter")) or {false,false,false,false}
local kvFilterItemNames = {} -- {<item:name> = side,...}
local OpenPorts = {} -- {side, ...}
-- collect all filter settings
for idx,slot in ipairs(SlotColors) do
local side = Num2Ascii[idx]
if filter[idx] == true then
local list = inv:get_list(slot)
local filter = invlist_entries_as_list(list)
AddToTbl(kvFilterItemNames, filter, side)
if not next(filter) then
OpenPorts[#OpenPorts + 1] = side
end
end
end
FilterCache[hash] = {
kvFilterItemNames = kvFilterItemNames,
OpenPorts = OpenPorts,
}
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 = M(pos)
local inv = meta:get_inventory()
local list = inv:get_list(listname)
local stack_count = stack:get_count()
if listname == "src" then
if State:get_state(M(pos)) == tubelib.STANDBY then
State:start(pos, meta)
end
return stack_count
end
local space_left = NUM_FILTER_ELEM - invlist_num_entries(list)
if space_left <= 0 then
return 0
end
filter_settings(pos)
return 1
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
if listname ~= "src" then
filter_settings(pos)
end
return stack:get_count()
end
local function allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
local meta = M(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
-- move items to the output slots
local function distributing(pos, meta)
local player_name = meta:get_string("player_name")
local counter = minetest.deserialize(meta:get_string("item_counter")) or
{red=0, green=0, blue=0, yellow=0}
-- calculate the filter settings only once
local hash = minetest.hash_node_position(pos)
if FilterCache[hash] == nil then
filter_settings(pos)
end
-- read data from Cache
local kvFilterItemNames = FilterCache[hash].kvFilterItemNames
local open_ports = table.copy(FilterCache[hash].OpenPorts)
-- no filter configured?
if not next(kvFilterItemNames) and not next(open_ports) then return end
local busy = false
local inv = meta:get_inventory()
local list = inv:get_list("src")
-- take one stack from inventory, which fits to one output port
local stack
local start_idx = math.random(1, 8)
for i = start_idx,start_idx+8 do
stack = list[(i % 8) + 1]
if stack:get_count() > 0 and (kvFilterItemNames[stack:get_name()] or next(open_ports)) then
break
end
end
if stack:get_count() > 0 then
local name = stack:get_name()
local num = stack:get_count()
local second_try = false
-- try configured output ports
local side = random_list_elem(kvFilterItemNames[name])
if side then -- configured
if tubelib.push_items(pos, side, stack, player_name) then
stack:set_count(0)
local color = Side2Color[side]
counter[color] = counter[color] + num
busy = true
else
second_try = true -- port blocked
end
else
second_try = true -- not configured
end
-- try unconfigured open output ports
if second_try and (not kvFilterItemNames[name] or #kvFilterItemNames[name] == 1) then
side = random_list_elem(open_ports)
if side then
if tubelib.push_items(pos, side, stack, player_name) then
stack:set_count(0)
local color = Side2Color[side]
counter[color] = counter[color] + num
busy = true
end
end
end
end
inv:set_list("src", list)
meta:set_string("item_counter", minetest.serialize(counter))
if busy then
State:keep_running(pos, meta, COUNTDOWN_TICKS, 1)
else
State:idle(pos, meta)
end
end
-- move items to the output slots
local function keep_running(pos, elapsed)
if tubelib.data_not_corrupted(pos) then
local meta = M(pos)
distributing(pos, meta)
return State:is_active(meta)
end
return false
end
local function on_receive_fields(pos, formname, fields, player)
if minetest.is_protected(pos, player:get_player_name()) then
return
end
local meta = M(pos)
local filter = minetest.deserialize(meta:get_string("filter"))
if fields.filter1 ~= nil then
filter[1] = fields.filter1 == "true"
elseif fields.filter2 ~= nil then
filter[2] = fields.filter2 == "true"
elseif fields.filter3 ~= nil then
filter[3] = fields.filter3 == "true"
elseif fields.filter4 ~= nil then
filter[4] = fields.filter4 == "true"
end
meta:set_string("filter", minetest.serialize(filter))
filter_settings(pos)
if fields.state_button ~= nil then
State:state_button_event(pos, fields)
else
meta:set_string("formspec", formspec(State, pos, meta))
end
end
-- tubelib command to turn on/off filter channels
local function change_filter_settings(pos, slot, val)
local slots = {["red"] = 1, ["green"] = 2, ["blue"] = 3, ["yellow"] = 4}
local meta = M(pos)
local filter = minetest.deserialize(meta:get_string("filter"))
local num = slots[slot] or 1
if num >= 1 and num <= 4 then
filter[num] = val == "on"
end
meta:set_string("filter", minetest.serialize(filter))
filter_settings(pos)
meta:set_string("formspec", formspec(State, pos, meta))
return true
end
minetest.register_node("tubelib_addons3:distributor", {
description = "HighPerf Distributor",
tiles = {
-- up, down, right, left, back, front
'tubelib_distributor.png^tubelib_addons3_node_frame.png',
'tubelib_addons3_chest_bottom.png',
'tubelib_distributor_yellow.png^tubelib_addons3_node_frame.png',
'tubelib_distributor_green.png^tubelib_addons3_node_frame.png',
"tubelib_distributor_red.png^tubelib_addons3_node_frame.png",
"tubelib_distributor_blue.png^tubelib_addons3_node_frame.png",
},
after_place_node = function(pos, placer)
local meta = M(pos)
local number = tubelib.add_node(pos, "tubelib_addons3:distributor")
local filter = {false,false,false,false}
meta:set_string("filter", minetest.serialize(filter))
State:node_init(pos, number)
meta:set_string("player_name", placer:get_player_name())
local inv = meta:get_inventory()
inv:set_size('src', 8)
inv:set_size('yellow', 6)
inv:set_size('green', 6)
inv:set_size('red', 6)
inv:set_size('blue', 6)
meta:set_string("item_counter", minetest.serialize({red=0, green=0, blue=0, yellow=0}))
end,
on_receive_fields = on_receive_fields,
can_dig = function(pos, player)
if minetest.is_protected(pos, player:get_player_name()) then
return false
end
local inv = M(pos):get_inventory()
return inv:is_empty("src")
end,
after_dig_node = function(pos, oldnode, oldmetadata, digger)
State:after_dig_node(pos, oldnode, oldmetadata, digger)
tubelib.remove_node(pos)
end,
allow_metadata_inventory_put = allow_metadata_inventory_put,
allow_metadata_inventory_take = allow_metadata_inventory_take,
allow_metadata_inventory_move = allow_metadata_inventory_move,
on_timer = keep_running,
on_rotate = screwdriver.disallow,
drop = "",
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {choppy=2, cracky=2, crumbly=2},
is_ground_content = false,
sounds = default.node_sound_wood_defaults(),
})
minetest.register_node("tubelib_addons3:distributor_active", {
description = "HighPerf Distributor",
tiles = {
-- up, down, right, left, back, front
{
image = "tubelib_addons3_distributor_active.png",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 2.0,
},
},
'tubelib_addons3_chest_bottom.png',
'tubelib_distributor_yellow.png^tubelib_addons3_node_frame.png',
'tubelib_distributor_green.png^tubelib_addons3_node_frame.png',
"tubelib_distributor_red.png^tubelib_addons3_node_frame.png",
"tubelib_distributor_blue.png^tubelib_addons3_node_frame.png",
},
on_receive_fields = on_receive_fields,
allow_metadata_inventory_put = allow_metadata_inventory_put,
allow_metadata_inventory_take = allow_metadata_inventory_take,
allow_metadata_inventory_move = allow_metadata_inventory_move,
on_timer = keep_running,
on_rotate = screwdriver.disallow,
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {crumbly=0, not_in_creative_inventory=1},
is_ground_content = false,
sounds = default.node_sound_wood_defaults(),
})
minetest.register_node("tubelib_addons3:distributor_defect", {
description = "HighPerf Distributor",
tiles = {
-- up, down, right, left, back, front
'tubelib_distributor.png^tubelib_addons3_node_frame.png',
'tubelib_addons3_chest_bottom.png',
'tubelib_distributor_yellow.png^tubelib_addons3_node_frame.png^tubelib_defect.png',
'tubelib_distributor_green.png^tubelib_addons3_node_frame.png^tubelib_defect.png',
"tubelib_distributor_red.png^tubelib_addons3_node_frame.png^tubelib_defect.png",
"tubelib_distributor_blue.png^tubelib_addons3_node_frame.png^tubelib_defect.png",
},
after_place_node = function(pos, placer)
local meta = M(pos)
local number = tubelib.add_node(pos, "tubelib_addons3:distributor")
local filter = {false,false,false,false}
meta:set_string("filter", minetest.serialize(filter))
State:node_init(pos, number)
meta:set_string("player_name", placer:get_player_name())
local inv = meta:get_inventory()
inv:set_size('src', 8)
inv:set_size('yellow', 6)
inv:set_size('green', 6)
inv:set_size('red', 6)
inv:set_size('blue', 6)
meta:set_string("item_counter", minetest.serialize({red=0, green=0, blue=0, yellow=0}))
State:defect(pos, meta)
end,
on_receive_fields = on_receive_fields,
can_dig = function(pos, player)
if minetest.is_protected(pos, player:get_player_name()) then
return false
end
local inv = M(pos):get_inventory()
return inv:is_empty("src")
end,
after_dig_node = function(pos, oldnode, oldmetadata, digger)
tubelib.remove_node(pos)
end,
allow_metadata_inventory_put = allow_metadata_inventory_put,
allow_metadata_inventory_take = allow_metadata_inventory_take,
allow_metadata_inventory_move = allow_metadata_inventory_move,
on_rotate = screwdriver.disallow,
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {choppy=2, cracky=2, crumbly=2, not_in_creative_inventory=1},
is_ground_content = false,
sounds = default.node_sound_wood_defaults(),
})
minetest.register_craft({
output = "tubelib_addons3:distributor",
recipe = {
{"default:tin_ingot", "tubelib:distributor", ""},
{"tubelib:distributor", "default:gold_ingot", ""},
{"", "", ""},
},
})
tubelib.register_node("tubelib_addons3:distributor",
{"tubelib_addons3:distributor_active", "tubelib_addons3:distributor_defect"}, {
on_pull_item = function(pos, side)
return tubelib.get_item(M(pos), "src")
end,
on_push_item = function(pos, side, item)
return tubelib.put_item(M(pos), "src", item)
end,
on_unpull_item = function(pos, side, item)
return tubelib.put_item(M(pos), "src", item)
end,
on_recv_message = function(pos, topic, payload)
if topic == "filter" then
return change_filter_settings(pos, payload.slot, payload.val)
elseif topic == "counter" then
local meta = minetest.get_meta(pos)
return minetest.deserialize(meta:get_string("item_counter")) or
{red=0, green=0, blue=0, yellow=0}
elseif topic == "clear_counter" then
local meta = minetest.get_meta(pos)
meta:set_string("item_counter", minetest.serialize({red=0, green=0, blue=0, yellow=0}))
else
local resp = State:on_receive_message(pos, topic, payload)
if resp then
return resp
else
return "unsupported"
end
end
end,
on_node_load = function(pos)
State:on_node_load(pos)
end,
on_node_repair = function(pos)
return State:on_node_repair(pos)
end,
})
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