minetest-mods/mesecons
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Reduce redundancy in minetest.registered_nodes lookups

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This commit is contained in:
SmallJoker
2023-12-27 10:20:04 +01:00
committed by sfan5
parent 6b42419828
commit 7418d5cb61
4 changed files with 55 additions and 59 deletions
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56
mesecons_extrawires/vertical.lua
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@ -40,35 +40,39 @@ local bottom_rules = {
{x=0, y=2, z=0} -- receive power from pressure plate / detector / ... 2 nodes above
}
local function is_vertical_conductor(nodename)
local def = minetest.registered_nodes[nodename]
return def and def.is_vertical_conductor
end
local vertical_updatepos = function (pos)
local node = minetest.get_node(pos)
if minetest.registered_nodes[node.name]
and minetest.registered_nodes[node.name].is_vertical_conductor then
local node_above = minetest.get_node(vector.add(pos, vertical_rules[1]))
local node_below = minetest.get_node(vector.add(pos, vertical_rules[2]))
local above = minetest.registered_nodes[node_above.name]
and minetest.registered_nodes[node_above.name].is_vertical_conductor
local below = minetest.registered_nodes[node_below.name]
and minetest.registered_nodes[node_below.name].is_vertical_conductor
mesecon.on_dignode(pos, node)
-- Always place offstate conductor and let mesecon.on_placenode take care
local newname = "mesecons_extrawires:vertical_"
if above and below then -- above and below: vertical mesecon
newname = newname .. "off"
elseif above and not below then -- above only: bottom
newname = newname .. "bottom_off"
elseif not above and below then -- below only: top
newname = newname .. "top_off"
else -- no vertical wire above, no vertical wire below: use bottom
newname = newname .. "bottom_off"
end
minetest.set_node(pos, {name = newname})
mesecon.on_placenode(pos, {name = newname})
if not is_vertical_conductor(node.name) then
return
end
local node_above = minetest.get_node(vector.add(pos, vertical_rules[1]))
local node_below = minetest.get_node(vector.add(pos, vertical_rules[2]))
local above = is_vertical_conductor(node_above.name)
local below = is_vertical_conductor(node_below.name)
mesecon.on_dignode(pos, node)
-- Always place offstate conductor and let mesecon.on_placenode take care
local newname = "mesecons_extrawires:vertical_"
if above and below then -- above and below: vertical mesecon
newname = newname .. "off"
elseif above and not below then -- above only: bottom
newname = newname .. "bottom_off"
elseif not above and below then -- below only: top
newname = newname .. "top_off"
else -- no vertical wire above, no vertical wire below: use bottom
newname = newname .. "bottom_off"
end
minetest.set_node(pos, {name = newname})
mesecon.on_placenode(pos, {name = newname})
end
local vertical_update = function (pos)