hopper/nodes/sorter.lua

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local S = minetest.get_translator("hopper")
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local FS = hopper.translator_escaped
local facedir_to_bottomdir = {
[0]={x=0, y=-1, z=0},
{x=0, y=0, z=-1},
{x=0, y=0, z=1},
{x=-1, y=0, z=0},
{x=1, y=0, z=0},
{x=0, y=1, z=0},
}
local bottomdir = function(facedir)
return facedir_to_bottomdir[math.floor(facedir/4)]
end
local function get_sorter_formspec(pos)
local spos = hopper.get_string_pos(pos)
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local filter_all = minetest.get_meta(pos):get_string("filter_all") == "true"
local y_displace = 0
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local filter_texture, filter_button_tooltip, filter_body
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if filter_all then
filter_body = ""
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filter_texture = "hopper_mode_off.png"
filter_button_tooltip = FS("This sorter is currently set to try sending all items\nin the direction of the arrow. Click this button\nto enable an item-type-specific filter.")
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else
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filter_body = "label[3.7,0;"..FS("Filter").."]list[nodemeta:" .. spos .. ";filter;0,0.5;8,1;]"
filter_texture = "hopper_mode_on.png"
filter_button_tooltip = FS("This sorter is currently set to only send items listed\nin the filter list in the direction of the arrow.\nClick this button to set it to try sending all\nitems that way first.")
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y_displace = 1.6
end
local formspec =
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"size[8," .. 7 + y_displace .. "]"
.. hopper.formspec_bg
.. filter_body
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.. "list[nodemeta:" .. spos .. ";main;3,".. tostring(0.3 + y_displace) .. ";2,2;]"
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.. ("image_button_exit[0,%g;1,1;%s;filter_all;]"):format(y_displace, filter_texture)
.. "tooltip[filter_all;" .. filter_button_tooltip.. "]"
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.. hopper.get_eject_button_texts(pos, 6, 0.8 + y_displace)
.. "list[current_player;main;0,".. tostring(2.85 + y_displace) .. ";8,1;]"
.. "list[current_player;main;0,".. tostring(4.08 + y_displace) .. ";8,3;8]"
.. "listring[nodemeta:" .. spos .. ";main]"
.. "listring[current_player;main]"
return formspec
end
minetest.register_node("hopper:sorter", {
description = S("Sorter"),
_doc_items_longdesc = hopper.doc.sorter_long_desc,
_doc_items_usagehelp = hopper.doc.sorter_usage,
groups = {cracky = 3},
sounds = hopper.metal_sounds,
drawtype = "nodebox",
paramtype = "light",
paramtype2 = "facedir",
tiles = {
"hopper_bottom_" .. hopper.config.texture_resolution .. ".png",
"hopper_top_" .. hopper.config.texture_resolution .. ".png",
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"hopper_bottom_" .. hopper.config.texture_resolution .. ".png^hopper_sorter_arrow_" .. hopper.config.texture_resolution .. ".png^[transformFX^hopper_sorter_sub_arrow_" .. hopper.config.texture_resolution .. ".png^[transformFX",
"hopper_bottom_" .. hopper.config.texture_resolution .. ".png^hopper_sorter_arrow_" .. hopper.config.texture_resolution .. ".png^hopper_sorter_sub_arrow_" .. hopper.config.texture_resolution .. ".png",
"hopper_top_" .. hopper.config.texture_resolution .. ".png",
"hopper_bottom_" .. hopper.config.texture_resolution .. ".png^hopper_sorter_arrow_" .. hopper.config.texture_resolution .. ".png",
},
node_box = {
type = "fixed",
fixed = {
{-0.3, -0.3, -0.4, 0.3, 0.4, 0.4},
{-0.2, -0.2, 0.4, 0.2, 0.2, 0.7},
{-0.2, -0.3, -0.2, 0.2, -0.7, 0.2},
},
},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
inv:set_size("main", 2*2)
inv:set_size("filter", 8)
end,
on_place = function(itemstack, placer, pointed_thing, node_name)
local pos = pointed_thing.under
local pos2 = pointed_thing.above
local x = pos.x - pos2.x
local z = pos.z - pos2.z
local returned_stack, success = minetest.item_place_node(itemstack, placer, pointed_thing)
if success then
local meta = minetest.get_meta(pos2)
meta:set_string("placer", placer:get_player_name())
end
return returned_stack
end,
can_dig = function(pos,player)
local meta = minetest.get_meta(pos);
local inv = meta:get_inventory()
return inv:is_empty("main")
end,
on_rightclick = function(pos, node, clicker, itemstack)
if minetest.is_protected(pos, clicker:get_player_name()) and not minetest.check_player_privs(clicker, "protection_bypass") then
return
end
minetest.show_formspec(clicker:get_player_name(),
"hopper_formspec:"..minetest.pos_to_string(pos), get_sorter_formspec(pos))
end,
allow_metadata_inventory_put = function(pos, listname, index, stack, player)
if listname == "filter" then
local inv = minetest.get_inventory({type="node", pos=pos})
inv:set_stack(listname, index, stack:take_item(1))
return 0
end
return stack:get_count()
end,
allow_metadata_inventory_take = function(pos, listname, index, stack, player)
if listname == "filter" then
local inv = minetest.get_inventory({type="node", pos=pos})
inv:set_stack(listname, index, ItemStack(""))
return 0
end
return stack:get_count()
end,
allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
if to_list == "filter" then
local inv = minetest.get_inventory({type="node", pos=pos})
local stack_moved = inv:get_stack(from_list, from_index)
inv:set_stack(to_list, to_index, stack_moved:take_item(1))
return 0
elseif from_list == "filter" then
local inv = minetest.get_inventory({type="node", pos=pos})
inv:set_stack(from_list, from_index, ItemStack(""))
return 0
end
return count
end,
on_metadata_inventory_put = function(pos, listname, index, stack, player)
hopper.log_inventory(("%s moves stuff to sorter at %s"):format(
player:get_player_name(), minetest.pos_to_string(pos)))
local timer = minetest.get_node_timer(pos)
if not timer:is_started() then
timer:start(1)
end
end,
on_timer = function(pos, elapsed)
local meta = minetest.get_meta(pos);
local inv = meta:get_inventory()
-- build a filter list
local filter_items = nil
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if meta:get_string("filter_all") ~= "true" then
filter_items = {}
local filter_inv_size = inv:get_size("filter")
for i = 1, filter_inv_size do
local stack = inv:get_stack("filter", i)
local item = stack:get_name()
if item ~= "" then
filter_items[item] = true
end
end
end
local node = minetest.get_node(pos)
local dir = minetest.facedir_to_dir(node.param2)
local default_destination_pos = vector.add(pos, dir)
local default_output_direction
if dir.y == 0 then
default_output_direction = "horizontal"
end
dir = bottomdir(node.param2)
local filter_destination_pos = vector.add(pos, dir)
local filter_output_direction
if dir.y == 0 then
filter_output_direction = "horizontal"
end
local success = false
local filter_destination_node = minetest.get_node(filter_destination_pos)
local registered_inventories = hopper.get_registered(filter_destination_node.name)
if registered_inventories ~= nil then
if filter_output_direction == "horizontal" then
success = hopper.send_item_to(pos, filter_destination_pos, filter_destination_node, registered_inventories["side"], filter_items)
else
success = hopper.send_item_to(pos, filter_destination_pos, filter_destination_node, registered_inventories["bottom"], filter_items)
end
else
success = hopper.send_item_to(pos, filter_destination_pos, filter_destination_node, nil, filter_items)
end
if not success then -- weren't able to put something in the filter destination, for whatever reason. Now we can start moving stuff forward to the default.
local default_destination_node = minetest.get_node(default_destination_pos)
local registered_inventories = hopper.get_registered(default_destination_node.name)
if registered_inventories ~= nil then
if default_output_direction == "horizontal" then
hopper.send_item_to(pos, default_destination_pos, default_destination_node, registered_inventories["side"])
else
hopper.send_item_to(pos, default_destination_pos, default_destination_node, registered_inventories["bottom"])
end
else
hopper.send_item_to(pos, default_destination_pos, default_destination_node)
end
end
if not inv:is_empty("main") then
minetest.get_node_timer(pos):start(1)
end
end,
})