pipeworks/chests.lua

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Lua
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pipeworks.chests = {}
-- register a chest to connect with pipeworks tubes.
-- will autoconnect to tubes and add tube inlets to the textures
-- it is highly recommended to allow the user to change the "splitstacks" int (1 to enable) in the node meta
-- but that can't be done by this function
-- @param override: additional overrides, such as stuff to modify the node formspec
-- @param connect_sides: which directions the chests shall connect to
function pipeworks.override_chest(chestname, override, connect_sides)
local old_def = minetest.registered_nodes[chestname]
local tube_entry = "^pipeworks_tube_connection_wooden.png"
override.tiles = override.tiles or old_def.tiles
-- expand the tiles table if it has been shortened
if #override.tiles < 6 then
for i = #override.tiles, 6 do
override.tiles[i] = override.tiles[#override.tiles]
end
end
-- add inlets to the sides that connect to tubes
local tile_directions = {"top", "bottom", "right", "left", "back", "front"}
for i, direction in ipairs(tile_directions) do
if connect_sides[direction] then
if type(override.tiles[i]) == "string" then
override.tiles[i] = override.tiles[i] .. tube_entry
elseif type(override.tiles[i]) == "table" and not override.tiles[i].animation then
override.tiles[i].name = override.tiles[i].name .. tube_entry
end
end
end
local old_after_place_node = override.after_place_node or old_def.after_place_node or function() end
override.after_place_node = function(pos, placer, itemstack, pointed_thing)
old_after_place_node(pos, placer, itemstack, pointed_thing)
pipeworks.after_place(pos)
end
local old_after_dig = override.after_dig or old_def.after_dig_node or function() end
override.after_dig_node = function(pos, oldnode, oldmetadata, digger)
old_after_dig(pos, oldnode, oldmetadata, digger)
pipeworks.after_dig(pos, oldnode, oldmetadata, digger)
end
local old_on_rotate
if override.on_rotate ~= nil then
old_on_rotate = override.on_rotate
elseif old_def.on_rotate ~= nil then
old_on_rotate = old_def.on_rotate
else
old_on_rotate = function() end
end
-- on_rotate = false -> rotation disabled, no need to update tubes
-- everything else: undefined by the most common screwdriver mods
if type(old_on_rotate) == "function" then
override.on_rotate = function(pos, node, user, mode, new_param2)
if old_on_rotate(pos, node, user, mode, new_param2) ~= false then
return pipeworks.on_rotate(pos, node, user, mode, new_param2)
else
return false
end
end
end
override.tube = {
insert_object = function(pos, node, stack, direction)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
return inv:add_item("main", stack)
end,
can_insert = function(pos, node, stack, direction)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
if meta:get_int("splitstacks") == 1 then
stack = stack:peek_item(1)
end
return inv:room_for_item("main", stack)
end,
input_inventory = "main",
connect_sides = connect_sides
}
-- Add the extra groups
override.groups = override.groups or old_def.groups or {}
override.groups.tubedevice = 1
override.groups.tubedevice_receiver = 1
minetest.override_item(chestname, override)
pipeworks.chests[chestname] = true
end