158 lines
4.1 KiB
Lua
158 lines
4.1 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2019 Joachim Stolberg
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GPL v3
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See LICENSE.txt for more information
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Simple TA1 Hopper
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]]--
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-- for lazy programmers
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local M = minetest.get_meta
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local S = techage.S
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local function scan_for_objects(pos, inv)
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for _, object in pairs(minetest.get_objects_inside_radius(pos, 1)) do
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local lua_entity = object:get_luaentity()
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if not object:is_player() and lua_entity and lua_entity.name == "__builtin:item" then
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if lua_entity.itemstring ~= "" then
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local stack = ItemStack(lua_entity.itemstring)
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if inv:room_for_item("main", stack) then
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inv:add_item("main", stack)
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object:remove()
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end
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end
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end
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end
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end
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local function pull_push_item(pos, meta)
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local items = techage.neighbour_pull_items(pos, 6, 1)
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if items then
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if techage.neighbour_push_items(pos, meta:get_int("push_dir"), items) then
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return true
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end
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-- place item back
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techage.neighbour_unpull_items(pos, 6, items)
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end
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return false
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end
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local function push_item(pos, inv, meta)
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if not inv:is_empty("main") then
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local stack = inv:get_stack("main", 1)
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local taken = stack:take_item(1)
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if techage.neighbour_push_items(pos, meta:get_int("push_dir"), taken) then
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inv:set_stack("main", 1, stack)
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end
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end
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end
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local function node_timer(pos, elapsed)
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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 then
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if not pull_push_item(pos, meta) then
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scan_for_objects({x=pos.x, y=pos.y+1, z=pos.z}, inv)
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push_item(pos, inv, meta)
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end
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end
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return true
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end
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minetest.register_node("techage:hopper_ta1", {
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description = S("TA1 Hopper"),
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tiles = {
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-- up, down, right, left, back, front
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"default_cobble.png^techage_appl_hopper_top.png",
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"default_cobble.png^techage_appl_hopper.png",
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"default_cobble.png^techage_appl_hopper_right.png",
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"default_cobble.png^techage_appl_hopper.png",
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"default_cobble.png^techage_appl_hopper.png",
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"default_cobble.png^techage_appl_hopper.png",
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},
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{-8/16, 2/16, -8/16, 8/16, 8/16, -6/16},
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{-8/16, 2/16, 6/16, 8/16, 8/16, 8/16},
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{-8/16, 2/16, -8/16, -6/16, 8/16, 8/16},
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{ 6/16, 2/16, -8/16, 8/16, 8/16, 8/16},
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{-6/16, 0/16, -6/16, 6/16, 3/16, 6/16},
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{-5/16, -4/16, -5/16, 5/16, 0/16, 5/16},
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{ 0/16, -4/16, -3/16, 11/16, 2/16, 3/16},
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},
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},
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selection_box = {
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type = "fixed",
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fixed = {
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{-8/16, 2/16, -8/16, 8/16, 8/16, 8/16},
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{-5/16, -4/16, -5/16, 5/16, 0/16, 5/16},
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{ 0/16, -4/16, -3/16, 11/16, 2/16, 3/16},
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},
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},
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on_construct = function(pos)
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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('main', 1)
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end,
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after_place_node = function(pos, placer)
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techage.add_node(pos, "techage:hopper_ta1")
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local node = minetest.get_node(pos)
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M(pos):set_int("push_dir", techage.side_to_indir("L", node.param2))
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minetest.get_node_timer(pos):start(2)
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end,
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on_timer = node_timer,
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after_dig_node = function(pos, oldnode, oldmetadata, digger)
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techage.remove_node(pos)
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end,
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on_rotate = screwdriver.disallow,
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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_craft({
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output = "techage:hopper_ta1",
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recipe = {
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{"default:stone", "", "default:stone"},
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{"default:stone", "default:gold_ingot", "default:stone"},
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{"", "default:stone", ""},
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},
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})
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techage.register_node({"techage:hopper_ta1"}, {
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on_pull_item = nil, -- not needed
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on_unpull_item = nil, -- not needed
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on_push_item = function(pos, in_dir, stack)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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return techage.put_items(inv, "main", stack)
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end,
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})
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techage.register_entry_page("ta1", "hopper",
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S("TA1 Hopper"),
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S("The Hopper collects dropped items and pushes them to the right side.@n"..
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"Items are sucked up when they are dropped on top of the Hopper block.@n"..
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"But the Hopper can also pull items out of chests or furnace blocks, if it is placed below."),
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"techage:hopper_ta1")
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