techpack/tubelib_addons1/liquidsampler.lua

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--[[
Tubelib Addons 1
================
Copyright (C) 2017-2019 Joachim Stolberg
LGPLv2.1+
See LICENSE.txt for more information
liquidsampler.lua
]]--
-- 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 STANDBY_TICKS = 4
local COUNTDOWN_TICKS = 2
local CYCLE_TIME = 8
local function formspec(self, pos, meta)
return "size[9,8.5]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"list[context;src;0,0;1,4;]"..
"image[0,0;1,1;bucket.png]"..
"image[1,1;1,1;tubelib_gui_arrow.png]"..
"image_button[1,3;1,1;".. self:get_state_button_image(meta) ..";state_button;]"..
"list[context;dst;2,0;7,4;]"..
"list[current_player;main;0.5,4.5;8,4;]"..
"listring[current_player;main]"..
"listring[context;src]" ..
"listring[current_player;main]"..
"listring[context;dst]" ..
"listring[current_player;main]"
end
local State = tubelib.NodeStates:new({
node_name_passive = "tubelib_addons1:liquidsampler",
node_name_active = "tubelib_addons1:liquidsampler_active",
node_name_defect = "tubelib_addons1:liquidsampler_defect",
infotext_name = "Liquid Sampler",
cycle_time = CYCLE_TIME,
standby_ticks = STANDBY_TICKS,
has_item_meter = true,
aging_factor = 8,
formspec_func = formspec,
})
local function get_pos(pos, facedir, side)
local offs = {F=0, R=1, B=2, L=3, D=4, U=5}
local dst_pos = table.copy(pos)
facedir = (facedir + offs[side]) % 4
local dir = minetest.facedir_to_dir(facedir)
return vector.add(dst_pos, dir)
end
local function test_liquid(node)
local liquiddef = bucket.liquids[node.name]
if liquiddef ~= nil and liquiddef.itemname ~= nil and
node.name == liquiddef.source then
return liquiddef.itemname
end
end
local function sample_liquid(pos, meta)
local water_pos = P(meta:get_string("water_pos"))
local giving_back = test_liquid(minetest.get_node(water_pos))
if giving_back then
local inv = meta:get_inventory()
if inv:room_for_item("dst", ItemStack(giving_back)) and
inv:contains_item("src", ItemStack("bucket:bucket_empty")) then
minetest.remove_node(water_pos)
inv:remove_item("src", ItemStack("bucket:bucket_empty"))
inv:add_item("dst", ItemStack(giving_back))
State:keep_running(pos, meta, COUNTDOWN_TICKS)
else
State:idle(pos, meta)
end
else
State:fault(pos, meta)
end
State:idle(pos, meta)
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
if listname == "src" and State:get_state(M(pos)) == tubelib.STANDBY then
State:start(pos, M(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 inv = M(pos):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 keep_running(pos, elapsed)
if tubelib.data_not_corrupted(pos) then
local meta = M(pos)
sample_liquid(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
State:state_button_event(pos, fields)
end
minetest.register_node("tubelib_addons1:liquidsampler", {
description = "Liquid Sampler",
tiles = {
-- up, down, right, left, back, front
'tubelib_front.png',
'tubelib_front.png',
'tubelib_addons1_liquidsampler.png',
'tubelib_addons1_liquidsampler_passive.png',
'tubelib_addons1_liquidsampler.png',
'tubelib_addons1_liquidsampler.png',
},
after_place_node = function(pos, placer)
local number = tubelib.add_node(pos, "tubelib_addons1:liquidsampler")
State:node_init(pos, number)
local meta = M(pos)
local node = minetest.get_node(pos)
local water_pos = get_pos(pos, node.param2, "L")
meta:set_string("water_pos", minetest.pos_to_string(water_pos))
local inv = meta:get_inventory()
inv:set_size("src", 4)
inv:set_size("dst", 28)
end,
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("dst") and 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,
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,
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_addons1:liquidsampler_active", {
description = "Liquid Sampler",
tiles = {
-- up, down, right, left, back, front
'tubelib_front.png',
'tubelib_front.png',
'tubelib_addons1_liquidsampler.png',
{
image = "tubelib_addons1_liquidsampler_active.png",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 2,
},
},
'tubelib_addons1_liquidsampler.png',
'tubelib_addons1_liquidsampler.png',
},
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 = {crumbly=0, not_in_creative_inventory=1},
is_ground_content = false,
sounds = default.node_sound_wood_defaults(),
})
minetest.register_node("tubelib_addons1:liquidsampler_defect", {
description = "Liquid Sampler",
tiles = {
-- up, down, right, left, back, front
'tubelib_front.png',
'tubelib_front.png',
'tubelib_addons1_liquidsampler.png^tubelib_defect.png',
'tubelib_addons1_liquidsampler_passive.png^tubelib_defect.png',
'tubelib_addons1_liquidsampler.png^tubelib_defect.png',
'tubelib_addons1_liquidsampler.png^tubelib_defect.png',
},
after_place_node = function(pos, placer)
local number = tubelib.add_node(pos, "tubelib_addons1:liquidsampler")
State:node_init(pos, number)
local meta = M(pos)
local node = minetest.get_node(pos)
local water_pos = get_pos(pos, node.param2, "L")
meta:set_string("water_pos", minetest.pos_to_string(water_pos))
local inv = meta:get_inventory()
inv:set_size("src", 4)
inv:set_size("dst", 28)
State:defect(pos, meta)
end,
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("dst") and inv:is_empty("src")
end,
after_dig_node = function(pos, oldnode, oldmetadata, digger)
tubelib.remove_node(pos)
end,
on_rotate = screwdriver.disallow,
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, not_in_creative_inventory=1},
is_ground_content = false,
sounds = default.node_sound_wood_defaults(),
})
minetest.register_craft({
output = "tubelib_addons1:liquidsampler",
recipe = {
{"group:wood", "default:steel_ingot", "group:wood"},
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{"default:mese_crystal", "bucket:bucket_empty", "tubelib:tubeS"},
{"group:wood", "default:steel_ingot", "group:wood"},
},
})
tubelib.register_node("tubelib_addons1:liquidsampler",
{"tubelib_addons1:liquidsampler_active", "tubelib_addons1:liquidsampler_defect"}, {
on_pull_item = function(pos, side)
return tubelib.get_item(M(pos), "dst")
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), "dst", item)
end,
on_recv_message = function(pos, topic, payload)
local resp = State:on_receive_message(pos, topic, payload)
if resp then
return resp
else
return "unsupported"
end
end,
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on_node_load = function(pos)
State:on_node_load(pos)
end,
on_node_repair = function(pos)
return State:on_node_repair(pos)
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end,
})