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item_transport.lua: factor out tube overload code into separate function

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thetaepsilon-gamedev 2017-12-18 23:07:40 +00:00
parent 28a3ba44d1
commit 56362cdd2a
1 changed files with 21 additions and 10 deletions
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31
item_transport.lua
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@ -50,6 +50,26 @@ minetest.register_globalstep(function(dtime)
end end
end) end)
-- tube overload mechanism:
-- when the tube's item count (tracked in the above tube_item_count table)
-- exceeds the limit configured per tube, replace it with a broken one.
local crunch_tube = function(pos, cnode, cmeta)
if enable_max_limit then
local h = minetest.hash_node_position(pos)
local itemcount = tube_item_count[h] or 0
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)
end
end
end
local function go_next(pos, velocity, stack, owner) local function go_next(pos, velocity, stack, owner)
local next_positions = {} local next_positions = {}
local max_priority = 0 local max_priority = 0
@ -96,16 +116,7 @@ local function go_next(pos, velocity, stack, owner)
end end
end end
if enable_max_limit then crunch_tube(pos, cnode, cmeta)
local h = minetest.hash_node_position(pos)
local itemcount = tube_item_count[h] or 0
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)
end
end
if not next_positions[1] then if not next_positions[1] then
return false, nil return false, nil