294 lines
8.0 KiB
Lua
294 lines
8.0 KiB
Lua
--[[
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Tubelib Addons 1
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================
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Copyright (C) 2017 Joachim Stolberg
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LGPLv2.1+
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See LICENSE.txt for more information
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grinder.lua
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Grinding Cobble to Gravel
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]]--
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local TICKS_TO_SLEEP = 10
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local CYCLE_TIME = 2
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local STOP_STATE = 0
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local STANDBY_STATE = -1
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local FAULT_STATE = -2
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local function formspec(state)
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return "size[8,8]"..
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default.gui_bg..
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default.gui_bg_img..
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default.gui_slots..
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"list[context;src;0,0;3,3;]"..
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"item_image[0,0;1,1;default:cobble]"..
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"image[3.5,1;1,1;tubelib_gui_arrow.png]"..
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"image_button[3.5,2;1,1;".. tubelib.state_button(state) ..";button;]"..
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"list[context;dst;5,0;3,3;]"..
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"item_image[5,0;1,1;default:gravel]"..
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"list[current_player;main;0,4;8,4;]"..
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"listring[context;dst]"..
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"listring[current_player;main]"..
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"listring[context;src]"..
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"listring[current_player;main]"
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end
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local function allow_metadata_inventory_put(pos, listname, index, stack, player)
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if minetest.is_protected(pos, player:get_player_name()) then
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return 0
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end
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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if listname == "src" then
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return stack:get_count()
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elseif listname == "dst" then
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return 0
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end
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return 0
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end
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local function allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local stack = inv:get_stack(from_list, from_index)
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return allow_metadata_inventory_put(pos, to_list, to_index, stack, player)
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end
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local function allow_metadata_inventory_take(pos, listname, index, stack, player)
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if minetest.is_protected(pos, player:get_player_name()) then
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return 0
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end
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return stack:get_count()
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end
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local function convert_stone_to_gravel(inv)
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local cobble = ItemStack("default:cobble")
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local gravel = ItemStack("default:gravel")
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if inv:room_for_item("dst", gravel) and inv:contains_item("src", cobble) then
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inv:add_item("dst", gravel)
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inv:remove_item("src", cobble)
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return true
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end
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return false
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end
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local function start_the_machine(pos)
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local meta = minetest.get_meta(pos)
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local node = minetest.get_node(pos)
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local number = meta:get_string("number")
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meta:set_int("running", TICKS_TO_SLEEP)
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meta:set_string("infotext", "Tubelib Grinder "..number..": running")
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meta:set_string("formspec", formspec(tubelib.RUNNING))
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node.name = "tubelib_addons1:grinder_active"
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minetest.swap_node(pos, node)
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minetest.get_node_timer(pos):start(CYCLE_TIME)
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return false
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end
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local function stop_the_machine(pos)
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local meta = minetest.get_meta(pos)
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local node = minetest.get_node(pos)
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local number = meta:get_string("number")
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meta:set_int("running", STOP_STATE)
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meta:set_string("infotext", "Tubelib Grinder "..number..": stopped")
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meta:set_string("formspec", formspec(tubelib.STOPPED))
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node.name = "tubelib_addons1:grinder"
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minetest.swap_node(pos, node)
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minetest.get_node_timer(pos):stop()
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return false
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end
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local function goto_sleep(pos)
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local meta = minetest.get_meta(pos)
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local node = minetest.get_node(pos)
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local number = meta:get_string("number")
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meta:set_int("running", STANDBY_STATE)
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meta:set_string("infotext", "Tubelib Grinder "..number..": standby")
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meta:set_string("formspec", formspec(tubelib.STANDBY))
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node.name = "tubelib_addons1:grinder"
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minetest.swap_node(pos, node)
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minetest.get_node_timer(pos):start(CYCLE_TIME * TICKS_TO_SLEEP)
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return false
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end
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local function goto_fault(pos)
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local meta = minetest.get_meta(pos)
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local node = minetest.get_node(pos)
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local number = meta:get_string("number")
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meta:set_int("running", FAULT_STATE)
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meta:set_string("infotext", "Tubelib Grinder "..number..": fault")
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meta:set_string("formspec", formspec(tubelib.FAULT))
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node.name = "tubelib_addons1:grinder"
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minetest.swap_node(pos, node)
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minetest.get_node_timer(pos):stop()
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return false
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end
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local function keep_running(pos, elapsed)
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local meta = minetest.get_meta(pos)
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local running = meta:get_int("running") - 1
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--print("running", running)
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local inv = meta:get_inventory()
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local busy = convert_stone_to_gravel(inv)
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if busy == true then
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if running <= STOP_STATE then
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return start_the_machine(pos)
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else
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running = TICKS_TO_SLEEP
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end
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elseif not inv:is_empty("src") then
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return goto_fault(pos)
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else
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if running <= STOP_STATE then
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return goto_sleep(pos)
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end
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end
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meta:set_int("running", running)
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return true
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end
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local function on_receive_fields(pos, formname, fields, player)
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if minetest.is_protected(pos, player:get_player_name()) then
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return
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end
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local meta = minetest.get_meta(pos)
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local running = meta:get_int("running") or 1
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if fields.button ~= nil then
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if running > STOP_STATE or running == FAULT_STATE then
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stop_the_machine(pos)
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else
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start_the_machine(pos)
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end
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end
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end
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minetest.register_node("tubelib_addons1:grinder", {
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description = "Tubelib Grinder",
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tiles = {
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-- up, down, right, left, back, front
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'tubelib_addons1_grinder.png',
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'tubelib_front.png',
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'tubelib_front.png',
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'tubelib_front.png',
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"tubelib_front.png",
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"tubelib_front.png",
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},
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after_place_node = function(pos, placer)
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local number = tubelib.add_node(pos, "tubelib_addons1:grinder")
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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inv:set_size('src', 9)
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inv:set_size('dst', 9)
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meta:set_string("number", number)
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meta:set_string("infotext", "Tubelib Grinder "..number..": stopped")
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meta:set_string("formspec", formspec(tubelib.STOPPED))
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end,
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on_dig = function(pos, node, puncher, pointed_thing)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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if inv:is_empty("dst") and inv:is_empty("src") then
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minetest.node_dig(pos, node, puncher, pointed_thing)
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tubelib.remove_node(pos)
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end
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end,
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on_timer = keep_running,
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on_receive_fields = on_receive_fields,
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allow_metadata_inventory_put = allow_metadata_inventory_put,
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allow_metadata_inventory_move = allow_metadata_inventory_move,
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allow_metadata_inventory_take = allow_metadata_inventory_take,
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paramtype = "light",
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sunlight_propagates = true,
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paramtype2 = "facedir",
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groups = {choppy=2, cracky=2, crumbly=2},
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is_ground_content = false,
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sounds = default.node_sound_wood_defaults(),
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})
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minetest.register_node("tubelib_addons1:grinder_active", {
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description = "Tubelib Grinder",
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tiles = {
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-- up, down, right, left, back, front
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{
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image = 'tubelib_addons1_grinder_active.png',
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backface_culling = false,
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animation = {
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type = "vertical_frames",
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aspect_w = 32,
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aspect_h = 32,
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length = 1.0,
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},
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},
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'tubelib_front.png',
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"tubelib_front.png",
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"tubelib_front.png",
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"tubelib_front.png",
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"tubelib_front.png",
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},
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on_timer = keep_running,
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on_receive_fields = on_receive_fields,
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allow_metadata_inventory_put = allow_metadata_inventory_put,
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allow_metadata_inventory_move = allow_metadata_inventory_move,
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allow_metadata_inventory_take = allow_metadata_inventory_take,
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paramtype = "light",
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sunlight_propagates = true,
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paramtype2 = "facedir",
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groups = {crumbly=0, not_in_creative_inventory=1},
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is_ground_content = false,
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sounds = default.node_sound_wood_defaults(),
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})
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minetest.register_craft({
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output = "tubelib_addons1:grinder",
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recipe = {
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{"group:wood", "default:tin_ingot", "group:wood"},
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{"tubelib:tube1", "default:mese_crystal", "tubelib:tube1"},
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{"group:wood", "default:tin_ingot", "group:wood"},
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},
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})
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tubelib.register_node("tubelib_addons1:grinder", {"tubelib_addons1:grinder_active"}, {
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on_pull_item = function(pos, side)
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local meta = minetest.get_meta(pos)
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return tubelib.get_item(meta, "dst")
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end,
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on_push_item = function(pos, side, item)
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local meta = minetest.get_meta(pos)
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return tubelib.put_item(meta, "src", item)
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end,
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on_unpull_item = function(pos, side, item)
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local meta = minetest.get_meta(pos)
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return tubelib.put_item(meta, "dst", item)
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end,
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on_recv_message = function(pos, topic, payload)
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if topic == "on" then
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start_the_machine(pos)
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elseif topic == "off" then
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stop_the_machine(pos)
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elseif topic == "state" then
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local meta = minetest.get_meta(pos)
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local running = meta:get_int("running")
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return tubelib.statestring(runnnig)
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else
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return "unsupported"
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end
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end,
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})
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