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Resolves swapping different blocks between inventories

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Resolves a number of cases where switching stacks of different types of blocks with different counts would cause a corruption in the Player inventory stack count or allow normally unaccepted items into the Saw causing 'unknown' items to be generated in its output.
This commit is contained in:
cmdskp 2015-12-26 11:35:44 +00:00
parent d3ba90d012
commit 6878f64e7b
1 changed files with 16 additions and 0 deletions
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16
circular_saw.lua
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@ -289,6 +289,22 @@ end
function circular_saw.on_metadata_inventory_take(
pos, listname, index, stack, player)
-- Prevent (inbuilt) swapping between inventories with different blocks
-- corrupting player inventory or Saw with 'unknown' items.
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local input_stack = inv:get_stack(listname, index)
if not input_stack:is_empty() and input_stack:get_name()~=stack:get_name() then
local player_inv = player:get_inventory()
if player_inv:room_for_item("main", input_stack) then
player_inv:add_item("main", input_stack)
end
circular_saw:reset(pos)
return
end
-- If it is one of the offered stairs: find out how many
-- microblocks have to be substracted:
if listname == "output" then