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Move more shulker box checks in mcl_hoppers to mcl_util

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This commit is contained in:
Wuzzy 2017-08-04 03:00:33 +02:00
parent 8388235600
commit d0b1e261ea
2 changed files with 40 additions and 49 deletions
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46
mods/CORE/mcl_util/init.lua
View File

@ -127,6 +127,34 @@ function mcl_util.get_double_container_neighbor_pos(pos, param2, side)
end
end
-- Iterates through all items in the given inventory and
-- returns the slot of the first item which matches a condition.
-- Returns nil if no item was found.
--- source_inventory: Inventory to take the item from
--- source_list: List name of the source inventory from which to take the item
--- destination_inventory: Put item into this inventory
--- destination_list: List name of the destination inventory to which to put the item into
--- condition: Function which takes an itemstack and returns true if it matches the desired item condition.
--- If set to nil, the slot of the first item stack will be taken unconditionally.
-- dst_inventory and dst_list can also be nil if condition is nil.
function mcl_util.get_eligible_transfer_item_slot(src_inventory, src_list, dst_inventory, dst_list, condition)
local size = src_inventory:get_size(src_list)
local stack
for i=1, size do
stack = src_inventory:get_stack(src_list, i)
if not stack:is_empty() and (condition == nil or condition(stack, src_inventory, src_list, dst_inventory, dst_list)) then
return i
end
end
return nil
end
-- Returns true if given itemstack is a shulker box
local is_not_shulker_box = function(itemstack)
local g = minetest.get_item_group(itemstack:get_name(), "shulker_box")
return g == 0 or g == nil
end
-- Moves a single item from one inventory to another.
--- source_inventory: Inventory to take the item from
--- source_list: List name of the source inventory from which to take the item
@ -165,7 +193,7 @@ end
--- source_pos: Position ({x,y,z}) of the node to take the item from
--- destination_pos: Position ({x,y,z}) of the node to put the item into
--- source_list (optional): List name of the source inventory from which to take the item. Default is normally "main"; "dst" for furnace
--- source_stack_id (optional): The inventory position ID of the source inventory to take the item from (-1 for first occupied slot; -1 is default)
--- source_stack_id (optional): The inventory position ID of the source inventory to take the item from (-1 for slot of the first valid item; -1 is default)
--- destination_list (optional): List name of the destination inventory. Default is normally "main"; "src" for furnace
-- Returns true on success and false on failure.
function mcl_util.move_item_container(source_pos, destination_pos, source_list, source_stack_id, destination_list)
@ -210,11 +238,17 @@ function mcl_util.move_item_container(source_pos, destination_pos, source_list,
end
end
-- Automatically select stack ID if set to automatic
if not source_stack_id then
source_stack_id = -1
end
if source_stack_id == -1 then
source_stack_id = mcl_util.get_first_occupied_inventory_slot(sinv, source_list)
local cond = nil
-- Prevent shulker box inception
if dctype == 3 then
cond = is_not_shulker_box
end
source_stack_id = mcl_util.get_eligible_transfer_item_slot(sinv, source_list, dinv, destination_list, cond)
if source_stack_id == nil then
return false
end
@ -268,13 +302,7 @@ end
-- Returns the ID of the first non-empty slot in the given inventory list
-- or nil, if inventory is empty.
function mcl_util.get_first_occupied_inventory_slot(inventory, listname)
for i=1, inventory:get_size(listname) do
local stack = inventory:get_stack(listname, i)
if not stack:is_empty() then
return i
end
end
return nil
return mcl_util.get_eligible_transfer_item_slot(inventory, listname)
end
-- Returns true if item (itemstring or ItemStack) can be used as a furnace fuel.

43
mods/ITEMS/mcl_hoppers/init.lua
View File

@ -235,26 +235,6 @@ minetest.register_abm({
end,
})
-- Iterates through all items in the given inventory and
-- return the slot of the first item which matches a condition
local get_eligible_transfer_item = function(src_inventory, src_list, dst_inventory, dst_list, condition)
local size = src_inventory:get_size(src_list)
local stack
for i=1, size do
stack = src_inventory:get_stack(src_list, i)
if not stack:is_empty() and condition(stack, src_inventory, src_list, dst_inventory, dst_list) then
return i
end
end
return nil
end
-- Returns true if given itemstack is a shulker box
local is_not_shulker_box = function(itemstack)
local g = minetest.get_item_group(itemstack:get_name(), "shulker_box")
return g == 0 or g == nil
end
-- Returns true if itemstack is fuel, but not for lava bucket if destination already has one
local is_transferrable_fuel = function(itemstack, src_inventory, src_list, dst_inventory, dst_list)
if mcl_util.is_fuel(itemstack) then
@ -299,16 +279,7 @@ minetest.register_abm({
local downnode = minetest.get_node(downpos)
if not minetest.registered_nodes[downnode.name] then return end
g = minetest.registered_nodes[downnode.name].groups.container
local slot_id = -1
if g == 3 then
-- For shulker boxes, only select non-shulker boxes
local sinv = minetest.get_inventory({type="node", pos = pos})
local dinv = minetest.get_inventory({type="node", pos = downpos})
slot_id = get_eligible_transfer_item(sinv, "main", dinv, "main", is_not_shulker_box)
end
if slot_id then
mcl_util.move_item_container(pos, downpos, nil, slot_id)
end
mcl_util.move_item_container(pos, downpos)
end,
})
@ -344,21 +315,13 @@ minetest.register_abm({
-- Move an item from the hopper into the container to which the hopper points to
local g = minetest.registered_nodes[frontnode.name].groups.container
if g == 2 or g == 5 or g == 6 then
if g == 2 or g == 3 or g == 5 or g == 6 then
mcl_util.move_item_container(pos, front)
elseif g == 3 then
-- Put non-shulker boxes into shulker box
local sinv = minetest.get_inventory({type="node", pos = pos})
local dinv = minetest.get_inventory({type="node", pos = front})
local slot_id = get_eligible_transfer_item(sinv, "main", dinv, "main", is_not_shulker_box)
if slot_id then
mcl_util.move_item_container(pos, front, nil, slot_id)
end
elseif g == 4 then
-- Put fuel into fuel slot
local sinv = minetest.get_inventory({type="node", pos = pos})
local dinv = minetest.get_inventory({type="node", pos = front})
local slot_id, stack = get_eligible_transfer_item(sinv, "main", dinv, "fuel", is_transferrable_fuel)
local slot_id, stack = mcl_util.get_eligible_transfer_item_slot(sinv, "main", dinv, "fuel", is_transferrable_fuel)
if slot_id then
mcl_util.move_item_container(pos, front, nil, slot_id, "fuel")
end