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let tubes break if they're "over-pressure"

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that is, if there are more than X number of items in a tube.  Default is
40 in a tube, but breaking is also disabled by default.

(original framework by Novatux, with changes by VanessaE)
This commit is contained in:
Novatux
2017-04-05 02:57:22 -04:00
committed by Vanessa Ezekowitz
parent eab59bfe19
commit 33c4c9d552
7 changed files with 42 additions and 0 deletions
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19
item_transport.lua
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@ -1,4 +1,8 @@
local luaentity = pipeworks.luaentity
local enable_max_limit = minetest.setting_get("pipeworks_enable_items_per_tube_limit")
local max_tube_limit = minetest.setting_get("pipeworks_max_items_per_tube") or 40
pipeworks.tube_item_count = {}
function pipeworks.tube_item(pos, item)
error("obsolete pipeworks.tube_item() called; change caller to use pipeworks.tube_inject_item() instead")
@ -77,6 +81,21 @@ local function go_next(pos, velocity, stack)
end
end
if enable_max_limit then
local itemcount = #minetest.get_objects_inside_radius(pos, 0.5)
local h = minetest.hash_node_position(pos)
if itemcount > max_tube_limit then
cmeta:set_string("the_tube_was", minetest.serialize(cnode))
print("[Pipeworks] Warning - a tube at "..minetest.pos_to_string(pos).." broke due to too many items ("..itemcount..")")
minetest.swap_node(pos, {name = "pipeworks:broken_tube_1"})
pipeworks.scan_for_tube_objects(pos)
pipeworks.tube_item_count[h] = 0
else
pipeworks.tube_item_count[h] = itemcount
end
end
if not next_positions[1] then
return false, nil
end