TPT AND Gate Generator

Andg = elements.allocate("Andg", "ANDG")
elements.element(Andg, elements.element(elements.DEFAULT_PT_DMND))
elements.property(Andg, "Name", "ANDG")
elements.property(Andg, "Description", "AND gate generator, tmp sets input direction.")
elements.property(Andg, "Properties", 0x0004)


local function Andg(i,x,y,s,nt)
--tmp = 0 = input left
--tmp = 1 = input top
--tmp = 2 = input right
--tmp = 3 = input below
if tpt.get_property("tmp", i) == 0 then
tpt.create(x-1, y-2,"metl")
tpt.create(x-1, y+2,"pscn")
tpt.create(x+2, y+0,"pscn")
tpt.set_property("type","ntct",i)
end

if tpt.get_property("tmp", i) == 1 then
tpt.create(x+2, y-1,"metl")
tpt.create(x-2, y-1,"pscn")
tpt.create(x+0, y+2,"pscn")
tpt.set_property("type","ntct",i)
end

if tpt.get_property("tmp", i) == 2 then
tpt.create(x+1, y+2,"metl")
tpt.create(x+1, y-2,"pscn")
tpt.create(x-2, y+0,"pscn")
tpt.set_property("type","ntct",i)
end

if tpt.get_property("tmp", i) == 3 then
tpt.create(x-2, y+1,"metl")
tpt.create(x+2, y+1,"pscn")
tpt.create(x+0, y-2,"pscn")
tpt.set_property("type","ntct",i)
end
end
tpt.element_func(Andg, tpt.element('andg'))