advtrains_luaautomation/pcnaming.lua


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--pcnaming.lua
--a.k.a Passive component naming
--Allows to assign names to passive components, so they can be called like:
--setstate("iamasignal", "green")
atlatc.pcnaming={name_map={}}
function atlatc.pcnaming.load(stuff)
	if type(stuff)=="table" then
		atlatc.pcnaming.name_map=stuff
	end
end
function atlatc.pcnaming.save()
	return atlatc.pcnaming.name_map
end

function atlatc.pcnaming.resolve_pos(pos, func_name)
	if type(pos)=="string" then
		local e = atlatc.pcnaming.name_map[pos]
		if e then return e end
	elseif type(pos)=="table" and pos.x and pos.y and pos.z then
		return pos
	end
	error("Invalid position supplied to " .. (func_name or "???")..": " .. dump(pos))
end

minetest.register_craftitem("advtrains_luaautomation:pcnaming",{