hopper/init.lua

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local function get_hopper_formspec(pos)
local spos = pos.x .. "," .. pos.y .. "," ..pos.z
local formspec =
"size[8,9]"
.. default.gui_bg
.. default.gui_bg_img
.. default.gui_slots
.. "list[nodemeta:" .. spos .. ";main;0,0.3;8,4;]"
.. "list[current_player;main;0,4.85;8,1;]"
.. "list[current_player;main;0,6.08;8,3;8]"
.. "listring[nodemeta:" .. spos .. ";main]"
.. "listring[current_player;main]"
return formspec
end
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-- hopper
minetest.register_node("hopper:hopper", {
description = "Hopper",
groups = {cracky = 3},
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drawtype = "nodebox",
paramtype = "light",
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tiles = {"hopper_top.png", "hopper_top.png", "hopper_front.png"},
inventory_image = "hopper_inv.png",
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node_box = {
type = "fixed",
fixed = {
--funnel walls
{-0.5, 0.0, 0.4, 0.5, 0.5, 0.5},
{0.4, 0.0, -0.5, 0.5, 0.5, 0.5},
{-0.5, 0.0, -0.5, -0.4, 0.5, 0.5},
{-0.5, 0.0, -0.5, 0.5, 0.5, -0.4},
--funnel base
{-0.5, 0.0, -0.5, 0.5, 0.1, 0.5},
--spout
{-0.3, -0.3, -0.3, 0.3, 0.0, 0.3},
{-0.15, -0.3, -0.15, 0.15, -0.5, 0.15},
},
},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_string("infotext", "Hopper")
local inv = meta:get_inventory()
inv:set_size("main", 4*4) -- was 8*4
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end,
can_dig = function(pos, player)
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local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
return inv:is_empty("main")
end,
on_rightclick = function(pos, node, clicker, itemstack)
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minetest.show_formspec(
clicker:get_player_name(),
"hopper:hopper",
get_hopper_formspec(pos)
)
end,
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on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
minetest.log("action", player:get_player_name()
.." moves stuff in hopper at "
..minetest.pos_to_string(pos))
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end,
on_metadata_inventory_put = function(pos, listname, index, stack, player)
minetest.log("action", player:get_player_name()
.." moves stuff to hopper at "
..minetest.pos_to_string(pos))
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end,
on_metadata_inventory_take = function(pos, listname, index, stack, player)
minetest.log("action", player:get_player_name()
.." takes stuff from hopper at "
..minetest.pos_to_string(pos))
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end,
on_rotate = screwdriver.disallow,
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})
-- side hopper
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minetest.register_node("hopper:hopper_side", {
description = "Side Hopper",
groups = {cracky = 3},
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drawtype = "nodebox",
paramtype = "light",
paramtype2 = "facedir",
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tiles = {"hopper_top.png", "hopper_top.png", "hopper_back.png", "hopper_side.png", "hopper_back.png", "hopper_back.png"},
inventory_image = "hopper_side_inv.png",
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node_box = {
type = "fixed",
fixed = {
--funnel walls
{-0.5, 0.0, 0.4, 0.5, 0.5, 0.5},
{0.4, 0.0, -0.5, 0.5, 0.5, 0.5},
{-0.5, 0.0, -0.5, -0.4, 0.5, 0.5},
{-0.5, 0.0, -0.5, 0.5, 0.5, -0.4},
--funnel base
{-0.5, 0.0, -0.5, 0.5, 0.1, 0.5},
--spout
{-0.3, -0.3, -0.3, 0.3, 0.0, 0.3},
{-0.7, -0.3, -0.15, 0.15, 0.0, 0.15},
},
},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_string("infotext", "Side Hopper")
local inv = meta:get_inventory()
inv:set_size("main", 4*4) -- was 8*4
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end,
can_dig = function(pos, player)
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local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
return inv:is_empty("main")
end,
on_rightclick = function(pos, node, clicker, itemstack)
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minetest.show_formspec(
clicker:get_player_name(),
"hopper:hopper_side",
get_hopper_formspec(pos)
)
end,
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on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
minetest.log("action", player:get_player_name()
.." moves stuff in hopper at "
..minetest.pos_to_string(pos))
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end,
on_metadata_inventory_put = function(pos, listname, index, stack, player)
minetest.log("action", player:get_player_name()
.." moves stuff to hopper at "
..minetest.pos_to_string(pos))
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end,
on_metadata_inventory_take = function(pos, listname, index, stack, player)
minetest.log("action", player:get_player_name()
.." takes stuff from hopper at "
..minetest.pos_to_string(pos))
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end,
on_rotate = screwdriver.rotate_simple,
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})
-- suck in items on top of hopper
minetest.register_abm({
nodenames = {"hopper:hopper", "hopper:hopper_side"},
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interval = 1.0,
chance = 1,
action = function(pos, node)
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local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local posob
for _,object in ipairs(minetest.get_objects_inside_radius(pos, 1)) do
if not object:is_player()
and object:get_luaentity()
and object:get_luaentity().name == "__builtin:item"
and inv
and inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
posob = object:getpos()
if math.abs(posob.x - pos.x) <= 0.5
and posob.y - pos.y <= 0.85
and posob.y - pos.y >= 0.3 then
inv:add_item("main", ItemStack(object:get_luaentity().itemstring))
object:get_luaentity().itemstring = ""
object:remove()
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end
end
end
end,
})
-- transfer function
local transfer = function(src, srcpos, dst, dstpos)
-- source inventory
local meta = minetest.get_meta(srcpos)
local inv = meta:get_inventory()
local invsize = inv:get_size(src)
-- check for empty source
if inv:is_empty(src) == true then
return
end
-- destination inventory
local meta2 = minetest.get_meta(dstpos)
local inv2 = meta2:get_inventory()
local invsize2 = inv2:get_size(dst)
local stack, item
-- transfer item
for i = 1, invsize do
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stack = inv:get_stack(src, i)
item = stack:get_name()
-- if slot not empty
if item ~= "" then
-- room in destination?
if inv2:room_for_item(dst, item) == false then
return
end
-- is item a tool
if stack:get_wear() > 0 then
inv2:add_item(dst, stack:take_item(stack:get_count()))
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inv:set_stack(src, i, nil)
else -- not a tool
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stack:take_item(1)
inv2:add_item(dst, item)
inv:set_stack(src, i, stack)
end
return
end
end
end
-- hopper transfer
minetest.register_abm({
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nodenames = {"hopper:hopper"},
neighbors = {
"default:chest", "default:chest_locked", "protector:chest",
"hopper:hopper", "hopper:hopper_side", "default:furnace",
"default:furnace_active"
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},
interval = 1.0,
chance = 1,
action = function(pos, node)
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local min = {x = pos.x, y = pos.y - 1, z = pos.z}
local max = {x = pos.x, y = pos.y + 1, z = pos.z}
local vm = minetest.get_voxel_manip()
local emin, emax = vm:read_from_map(min, max)
local area = VoxelArea:new{MinEdge = emin, MaxEdge = emax}
local data = vm:get_data()
local a = vm:get_node_at({x = pos.x, y = pos.y + 1, z = pos.z}).name
local b = vm:get_node_at({x = pos.x, y = pos.y - 1, z = pos.z}).name
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--local a = minetest.get_node({x = pos.x, y = pos.y + 1, z = pos.z}).name
--local b = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z}).name
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-- input (from above)
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if a == "default:chest"
or a == "default:chest_locked"
or a == "protector:chest"
or a == "hopper:hopper"
or a == "hopper:hopper_side" then
-- chest/hopper above to hopper below
transfer("main", {
x = pos.x,
y = pos.y + 1,
z = pos.z
}, "main", pos)
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elseif a == "default:furnace"
or a == "default:furnace_active" then
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-- furnace output above to hopper below
transfer("dst", {
x = pos.x,
y = pos.y + 1,
z = pos.z
}, "main", pos)
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end
-- output (to below)
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if b == "default:chest"
or b == "default:chest_locked"
or b == "protector:chest" then
-- hopper above to chest below
transfer("main", pos, "main", {
x = pos.x,
y = pos.y - 1,
z = pos.z
})
elseif b == "default:furnace"
or b == "default:furnace_active" then
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-- hopper above to furnace source below
transfer("main", pos, "src", {
x = pos.x,
y = pos.y - 1,
z = pos.z
})
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end
end,
})
-- hopper side
minetest.register_abm({
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nodenames = {"hopper:hopper_side"},
neighbors = {
"default:chest","default:chest_locked","protector:chest",
"hopper:hopper","hopper:hopper_side","default:furnace","default:furnace_active"
},
interval = 1.0,
chance = 1,
action = function(pos, node)
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local min = {x = pos.x - 1, y = pos.y, z = pos.z - 1}
local max = {x = pos.x + 1, y = pos.y + 1, z = pos.z + 1}
local vm = minetest.get_voxel_manip()
local emin, emax = vm:read_from_map(min, max)
local area = VoxelArea:new{MinEdge = emin, MaxEdge = emax}
local data = vm:get_data()
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local face = vm:get_node_at(pos).param2
local front = {}
--local face = minetest.get_node(pos).param2 ; print(face)
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if face == 0 then
front = {x = pos.x - 1, y = pos.y, z = pos.z}
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elseif face == 1 then
front = {x = pos.x, y = pos.y, z = pos.z + 1}
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elseif face == 2 then
front = {x = pos.x + 1, y = pos.y, z = pos.z}
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elseif face == 3 then
front = {x = pos.x, y = pos.y, z = pos.z - 1}
else
return
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end
local a = vm:get_node_at({x = pos.x, y = pos.y + 1,z = pos.z}).name
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local b = vm:get_node_at(front).name
-- local a = minetest.get_node({x = pos.x, y = pos.y + 1, z = pos.z}).name
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-- local b = minetest.get_node(front).name
-- input (from above)
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if a == "default:chest"
or a == "default:chest_locked"
or a == "protector:chest"
or a == "hopper:hopper"
or a == "hopper:hopper_side" then
-- chest/hopper above to hopper below
transfer("main", {
x = pos.x,
y = pos.y + 1,
z = pos.z
}, "main", pos)
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elseif a == "default:furnace"
or a == "default:furnace_active" then
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-- furnace output above to hopper below
transfer("dst", {
x = pos.x,
y = pos.y + 1,
z = pos.z
}, "main", pos)
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end
-- output (to side)
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if b == "default:chest"
or b == "default:chest_locked"
or b == "protector:chest"
or b == "hopper:hopper"
or b == "hopper:hopper_side" then
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-- hopper to chest beside
transfer("main", pos, "main", front)
elseif b == "default:furnace"
or b == "default:furnace_active" then
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-- hopper to furnace fuel beside
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transfer("main", pos, "fuel", front)
end
end,
})
-- hopper recipe
minetest.register_craft({
output = "hopper:hopper",
recipe = {
{"default:steel_ingot", "default:chest", "default:steel_ingot"},
{"", "default:steel_ingot", ""},
},
})
-- hopper to side hopper recipe
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minetest.register_craft({
output = "hopper:hopper",
recipe = {
{"hopper:hopper_side"},
},
})
-- side hopper back to hopper recipe
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minetest.register_craft({
output = "hopper:hopper_side",
recipe = {
{"hopper:hopper"},
},
})