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Add node detector blacklist api #672

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Add node detector blacklist api #672

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19 changes: 18 additions & 1 deletion mesecons_detector/init.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -157,6 +157,23 @@ minetest.register_abm({
-- Node detector
-- Detects the node in front of it

local blacklist = {
air = true,
ignore = true,
}

function mesecon.node_detector_blacklist_add(node)
blacklist[node] = true
end

function mesecon.node_detector_blacklist_remove(node)
blacklist[node] = nil
end

function mesecon.node_detector_on_blacklist(node)
return blacklist[node] == true
end

local function node_detector_make_formspec(pos)
local meta = minetest.get_meta(pos)
if meta:get_string("distance") == "" then meta:set_string("distance", "0") end
Expand Down Expand Up @@ -198,7 +215,7 @@ local function node_detector_scan(pos)
local scan_for = comma_list_to_table(scanname)

return (scan_for[frontname]) or
(frontname ~= "air" and frontname ~= "ignore" and scanname == "")
(blacklist[frontname] ~= true and scanname == "")
end

local function node_detector_send_node_name(pos, node, channel, meta)
Expand Down