Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
317 lines (309 sloc) 12.7 KB
local pipeworks_enabled = minetest.get_modpath("pipeworks") ~= nil
-- Sends a message onto the Digilines network.
-- pos: the position of the Digilines chest node.
-- action: the action string indicating what happened.
-- stack: the ItemStack that the action acted on (optional).
-- from_slot: the slot number that is taken from (optional).
-- to_slot: the slot number that is put into (optional).
-- side: which side of the chest the action occurred (optional).
local function send_message(pos, action, stack, from_slot, to_slot, side)
local channel = minetest.get_meta(pos):get_string("channel")
local msg = {
action = action,
stack = stack and stack:to_table(),
from_slot = from_slot,
to_slot = to_slot,
-- Duplicate the vector in case the caller expects it not to change.
side = side and vector.new(side)
}
digilines.receptor_send(pos, digilines.rules.default, channel, msg)
end
-- Checks if the inventory has become empty and, if so, sends an empty message.
local function check_empty(pos)
if minetest.get_meta(pos):get_inventory():is_empty("main") then
send_message(pos, "empty")
end
end
-- Checks if the inventory has become full for a particular type of item and,
-- if so, sends a full message.
local function check_full(pos, stack)
local one_item_stack = ItemStack(stack)
one_item_stack:set_count(1)
if not minetest.get_meta(pos):get_inventory():room_for_item("main", one_item_stack) then
send_message(pos, "full", one_item_stack)
end
end
local tubeconn = pipeworks_enabled and "^pipeworks_tube_connection_wooden.png" or ""
local tubescan = pipeworks_enabled and function(pos) pipeworks.scan_for_tube_objects(pos) end or nil
-- A place to remember things from allow_metadata_inventory_put to
-- on_metadata_inventory_put. This is a hack due to issue
-- minetest/minetest#6534 that should be removed once that’s fixed.
local last_inventory_put_index
local last_inventory_put_stack
-- A place to remember things from allow_metadata_inventory_take to
-- tube.remove_items. This is a hack due to issue minetest-mods/pipeworks#205
-- that should be removed once that’s fixed.
local last_inventory_take_index
minetest.register_alias("digilines_inventory:chest", "digilines:chest")
minetest.register_node("digilines:chest", {
description = "Digiline Chest",
tiles = {
"default_chest_top.png"..tubeconn,
"default_chest_top.png"..tubeconn,
"default_chest_side.png"..tubeconn,
"default_chest_side.png"..tubeconn,
"default_chest_side.png"..tubeconn,
"default_chest_front.png",
},
paramtype2 = "facedir",
legacy_facedir_simple = true,
groups = {choppy=2, oddly_breakable_by_hand=2, tubedevice=1, tubedevice_receiver=1},
sounds = default.node_sound_wood_defaults(),
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_string("infotext", "Digiline Chest")
meta:set_string("formspec", "size[8,10]"..
((default and default.gui_bg) or "")..
((default and default.gui_bg_img) or "")..
((default and default.gui_slots) or "")..
"label[0,0;Digiline Chest]"..
"list[current_name;main;0,1;8,4;]"..
"field[2,5.5;5,1;channel;Channel;${channel}]"..
((default and default.get_hotbar_bg) and default.get_hotbar_bg(0,6) or "")..
"list[current_player;main;0,6;8,4;]"..
"listring[]")
local inv = meta:get_inventory()
inv:set_size("main", 8*4)
end,
after_place_node = tubescan,
after_dig_node = tubescan,
can_dig = function(pos)
return minetest.get_meta(pos):get_inventory():is_empty("main")
end,
on_receive_fields = function(pos, _, fields, sender)
local name = sender:get_player_name()
if minetest.is_protected(pos, name) and not minetest.check_player_privs(name, {protection_bypass=true}) then
minetest.record_protection_violation(pos, name)
return
end
if fields.channel ~= nil then
minetest.get_meta(pos):set_string("channel",fields.channel)
end
end,
digiline = {
receptor = {},
effector = {
action = function() end
}
},
tube = {
connect_sides = {left=1, right=1, back=1, front=1, bottom=1, top=1},
connects = function(i,param2)
return not pipeworks.connects.facingFront(i,param2)
end,
input_inventory = "main",
can_insert = function(pos, _, stack, direction)
local ret = minetest.get_meta(pos):get_inventory():room_for_item("main", stack)
if not ret then
-- The stack cannot be accepted. It will never be passed to
-- insert_object, but it should be reported as a toverflow.
-- Here, direction = direction item is moving, which is into
-- side.
local side = vector.multiply(direction, -1)
send_message(pos, "toverflow", stack, nil, nil, side)
end
return ret
end,
insert_object = function(pos, _, original_stack, direction)
-- Here, direction = direction item is moving, which is into side.
local side = vector.multiply(direction, -1)
local inv = minetest.get_meta(pos):get_inventory()
local inv_contents = inv:get_list("main")
local any_put = false
local stack = original_stack
local stack_name = stack:get_name()
local stack_count = stack:get_count()
-- Walk the inventory, adding items to existing stacks of the same
-- type.
for i = 1, #inv_contents do
local existing_stack = inv_contents[i]
if not existing_stack:is_empty() and existing_stack:get_name() == stack_name then
local leftover = existing_stack:add_item(stack)
local leftover_count = leftover:get_count()
if leftover_count ~= stack_count then
-- We put some items into the slot. Update the slot in
-- the inventory, tell Digilines listeners about it,
-- and keep looking for the a place to put the
-- leftovers if any.
any_put = true
inv:set_stack("main", i, existing_stack)
local stack_that_was_put
if leftover_count == 0 then
stack_that_was_put = stack
else
stack_that_was_put = ItemStack(stack)
stack_that_was_put:set_count(stack_count - leftover_count)
end
send_message(pos, "tput", stack_that_was_put, nil, i, side)
stack = leftover
stack_count = leftover_count
if stack_count == 0 then
break
end
end
end
end
if stack_count ~= 0 then
-- Walk the inventory, adding items to empty slots.
for i = 1, #inv_contents do
local existing_stack = inv_contents[i]
if existing_stack:is_empty() then
local leftover = existing_stack:add_item(stack)
local leftover_count = leftover:get_count()
if leftover_count ~= stack_count then
-- We put some items into the slot. Update the slot in
-- the inventory, tell Digilines listeners about it,
-- and keep looking for the a place to put the
-- leftovers if any.
any_put = true
inv:set_stack("main", i, existing_stack)
local stack_that_was_put
if leftover_count == 0 then
stack_that_was_put = stack
else
stack_that_was_put = ItemStack(stack)
stack_that_was_put:set_count(stack_count - leftover_count)
end
send_message(pos, "tput", stack_that_was_put, nil, i, side)
stack = leftover
stack_count = leftover_count
if stack_count == 0 then
break
end
end
end
end
end
if any_put then
check_full(pos, original_stack)
end
if stack_count ~= 0 then
-- Some items could not be added and bounced back. Report them.
send_message(pos, "toverflow", stack, nil, nil, side)
end
return stack
end,
remove_items = function(pos, _, stack, dir, count)
-- Here, stack is the ItemStack in our own inventory that is being
-- pulled from, NOT the stack that is actually pulled out.
-- Combining it with count gives the stack that is pulled out.
-- Also, note that Pipeworks doesn’t pass the index to this
-- function, so we use the one recorded in
-- allow_metadata_inventory_take; because we don’t implement
-- tube.can_remove, Pipeworks will call
-- allow_metadata_inventory_take instead and will pass it the
-- index.
local taken = stack:take_item(count)
minetest.get_meta(pos):get_inventory():set_stack("main", last_inventory_take_index, stack)
send_message(pos, "ttake", taken, last_inventory_take_index, nil, dir)
check_empty(pos)
return taken
end,
},
allow_metadata_inventory_put = function(pos, _, index, stack)
-- Remember what was in the target slot before the put; see
-- on_metadata_inventory_put for why we care.
last_inventory_put_index = index
last_inventory_put_stack = minetest.get_meta(pos):get_inventory():get_stack("main", index)
return stack:get_count()
end,
allow_metadata_inventory_take = function(_, _, index, stack)
-- Remember the index value; see tube.remove_items for why we care.
last_inventory_take_index = index
return stack:get_count()
end,
on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
-- See what would happen if we were to move the items back from in the
-- opposite direction. In the event of a normal move, this must
-- succeed, because a normal move subtracts some items from the from
-- stack and adds them to the to stack; the two stacks naturally must
-- be compatible and so the reverse operation must succeed. However, if
-- the user *swaps* the two stacks instead, then due to issue
-- minetest/minetest#6534, this function is only called once; however,
-- when it is called, the stack that used to be in the to stack has
-- already been moved to the from stack, so we can detect the situation
-- by the fact that the reverse move will fail due to the from stack
-- being incompatible with its former contents.
local inv = minetest.get_meta(pos):get_inventory()
local from_stack = inv:get_stack("main", from_index)
local to_stack = inv:get_stack("main", to_index)
local reverse_move_stack = ItemStack(to_stack)
reverse_move_stack:set_count(count)
local swapped = from_stack:add_item(reverse_move_stack):get_count() == count
if swapped then
local channel = minetest.get_meta(pos):get_string("channel")
to_stack:set_count(count)
local msg = {
action = "uswap",
-- The slot and stack do not match because this function is
-- called after the action has taken place, but the Digilines
-- message is from the perspective of a viewer who hasn’t
-- observed the movement yet.
x_stack = to_stack:to_table(),
x_slot = from_index,
y_stack = from_stack:to_table(),
y_slot = to_index,
}
digilines.receptor_send(pos, digilines.rules.default, channel, msg)
else
to_stack:set_count(count)
send_message(pos, "umove", to_stack, from_index, to_index)
end
minetest.log("action", player:get_player_name().." moves stuff in chest at "..minetest.pos_to_string(pos))
end,
on_metadata_inventory_put = function(pos, _, index, stack, player)
-- Get what was in the target slot before the put; it has disappeared
-- by now (been replaced by the result of the put action) but we saved
-- it in allow_metadata_inventory_put. This should always work
-- (allow_metadata_inventory_put should AFAICT always be called
-- immediately before on_metadata_inventory_put), but in case of
-- something weird happening, just fall back to using an empty
-- ItemStack rather than crashing.
local old_stack
if last_inventory_put_index == index then
old_stack = last_inventory_put_stack
last_inventory_put_index = nil
last_inventory_put_stack = nil
else
old_stack = ItemStack(nil)
end
-- If the player tries to place a stack into an inventory, there’s
-- already a stack there, and the existing stack is either of a
-- different item type or full, then obviously the stacks can’t be
-- merged; instead the stacks are swapped. This information is not
-- reported to mods (Minetest core neither tells us that a particular
-- action was a swap, nor tells us a take followed by a put). In core,
-- the condition for swapping is that you try to add the new stack to
-- the existing stack and the leftovers are as big as the original
-- stack to put. Replicate that logic here using the old stack saved in
-- allow_metadata_inventory_put. If a swap happened, report it to the
-- Digilines network as a utake followed by a uput.
local leftovers = old_stack:add_item(stack)
if leftovers:get_count() == stack:get_count() then
send_message(pos, "utake", old_stack, index)
end
send_message(pos, "uput", stack, nil, index)
check_full(pos, stack)
minetest.log("action", player:get_player_name().." puts stuff into chest at "..minetest.pos_to_string(pos))
end,
on_metadata_inventory_take = function(pos, _, index, stack, player)
send_message(pos, "utake", stack, index)
check_empty(pos)
minetest.log("action", player:get_player_name().." takes stuff from chest at "..minetest.pos_to_string(pos))
end
})
minetest.register_craft({
type = "shapeless",
output = "digilines:chest",
recipe = {"default:chest", "digilines:wire_std_00000000"}
})
You can’t perform that action at this time.