techage/basic_machines/funnel.lua
2019-08-29 22:25:31 +02:00

240 lines
6.2 KiB
Lua

--[[
TechAge
=======
Copyright (C) 2019 Joachim Stolberg
GPL v3
See LICENSE.txt for more information
TA3 Funnel
]]--
-- for lazy programmers
local M = minetest.get_meta
local S = techage.S
local CYCLE_TIME = 2
local function start_node(pos, mem)
mem.running = true
minetest.get_node_timer(pos):start(CYCLE_TIME)
local meta = M(pos)
local own_num = meta:get_string("node_number")
meta:set_string("infotext", "TA3 Funnel "..own_num.." : running")
end
local function stop_node(pos, mem)
mem.running = false
minetest.get_node_timer(pos):stop()
local meta = M(pos)
local own_num = meta:get_string("node_number")
meta:set_string("infotext", "TA3 Funnel "..own_num.." : stopped")
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
return stack:get_count()
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 formspec(mem)
local state = techage.STOPPED
if mem.running then
state = techage.RUNNING
end
return "size[9,7]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"list[context;main;0.5,0;8,2;]"..
"image_button[4,2.1;1,1;"..techage.state_button(state)..";state_button;]"..
"list[current_player;main;0.5,3.3;8,4;]"..
"listring[context;main]"..
"listring[current_player;main]"
end
local function scan_for_objects(pos, elapsed)
local mem = tubelib2.get_mem(pos)
if not mem.running then
return false
end
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
for _, object in pairs(minetest.get_objects_inside_radius(pos, 1)) do
local lua_entity = object:get_luaentity()
if not object:is_player() and lua_entity and lua_entity.name == "__builtin:item" then
local obj_pos = object:getpos()
if lua_entity.itemstring ~= "" and ((obj_pos.y - pos.y) >= 0.4) then
local stack = ItemStack(lua_entity.itemstring)
if inv:room_for_item("main", stack) then
inv:add_item("main", stack)
object:remove()
end
end
end
end
return true
end
minetest.register_node("techage:ta3_funnel", {
description = "TA3 Funnel",
tiles = {
-- up, down, right, left, back, front
"techage_filling_ta3.png^techage_appl_funnel_top.png^techage_frame_ta3_top.png",
"techage_filling_ta3.png^techage_frame_ta3.png",
"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_outp.png",
"techage_filling_ta3.png^techage_frame_ta3.png",
"techage_filling_ta3.png^techage_appl_funnel.png^techage_frame_ta3.png",
"techage_filling_ta3.png^techage_appl_funnel.png^techage_frame_ta3.png",
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-8/16, -8/16, -8/16, 8/16, 8/16, -6/16},
{-8/16, -8/16, 6/16, 8/16, 8/16, 8/16},
{-8/16, -8/16, -8/16, -6/16, 8/16, 8/16},
{ 6/16, -8/16, -8/16, 8/16, 8/16, 8/16},
{-6/16, -8/16, -6/16, 6/16, 4/16, 6/16},
},
},
selection_box = {
type = "fixed",
fixed = {-8/16, -8/16, -8/16, 8/16, 8/16, 8/16},
},
on_construct = function(pos)
local meta = M(pos)
local inv = meta:get_inventory()
inv:set_size('main', 16)
end,
after_place_node = function(pos, placer)
local meta = M(pos)
local mem = tubelib2.init_mem(pos)
mem.running = false
local own_num = techage.add_node(pos, "techage:ta3_funnel")
local node = minetest.get_node(pos)
meta:set_string("node_number", own_num)
meta:set_string("owner", placer:get_player_name())
meta:set_string("infotext", "TA3 Funnel "..own_num.." : stopped")
meta:set_string("formspec", formspec(mem))
meta:set_int("pull_dir", techage.side_to_indir("R", node.param2))
end,
on_timer = scan_for_objects,
on_receive_fields = function(pos, formname, fields, player)
if minetest.is_protected(pos, player:get_player_name()) then
return
end
local meta = M(pos)
local mem = tubelib2.get_mem(pos)
if fields.state_button ~= nil then
if mem.running then
stop_node(pos, mem)
else
start_node(pos, mem)
end
end
meta:set_string("formspec", formspec(mem))
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("main")
end,
after_dig_node = function(pos, oldnode, oldmetadata, digger)
techage.remove_node(pos)
tubelib2.del_mem(pos)
end,
allow_metadata_inventory_put = allow_metadata_inventory_put,
allow_metadata_inventory_take = allow_metadata_inventory_take,
paramtype2 = "facedir",
groups = {choppy=2, cracky=2, crumbly=2},
is_ground_content = false,
sounds = default.node_sound_wood_defaults(),
})
techage.register_node({"techage:ta3_funnel"}, {
on_pull_item = function(pos, in_dir, num)
local meta = minetest.get_meta(pos)
if meta:get_int("pull_dir") == in_dir then
local inv = M(pos):get_inventory()
return techage.get_items(inv, "main", num)
end
end,
on_unpull_item = function(pos, in_dir, stack)
local meta = minetest.get_meta(pos)
if meta:get_int("pull_dir") == in_dir then
local inv = M(pos):get_inventory()
return techage.put_items(inv, "main", stack)
end
end,
on_recv_message = function(pos, src, topic, payload)
local mem = tubelib2.get_mem(pos)
if topic == "state" then
if mem.running then
return "running"
else
return "stopped"
end
elseif topic == "on" then
if not mem.running then
start_node(pos, mem)
end
elseif topic == "off" then
if mem.running then
stop_node(pos, mem)
end
else
return "unsupported"
end
end,
on_node_load = function(pos)
local mem = tubelib2.get_mem(pos)
if mem.running then
minetest.get_node_timer(pos):start(CYCLE_TIME)
end
end,
})
minetest.register_craft({
output = "techage:ta3_funnel",
recipe = {
{"group:wood", "", "group:wood"},
{"group:wood", "default:mese_crystal", "techage:tubeS"},
{"group:wood", "techage:iron_ingot", "group:wood"},
},
})
techage.register_entry_page("ta3m", "funnel",
S("TA3 Funnel"),
S("The Funnel collects dropped items and stores them in its inventory.@n"..
"Items are sucked up when they are dropped on top of the funnel block.@n"..
"The scan radius is 1 m."),
"techage:ta3_funnel")