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function gate_rotate_rules(node)
for rotations = 0, node.param2 - 1 do
rules = mesecon:rotate_rules_left(rules)
end
return rules
end
function gate_get_output_rules(node)
rules = {{x=1, y=0, z=0}}
return gate_rotate_rules(node)
end
function gate_get_input_rules_oneinput(node)
rules = {{x=-1, y=0, z=0}, {x=1, y=0, z=0}}
return gate_rotate_rules(node)
end
function gate_get_input_rules_twoinputs(node)
rules = {
{x=0, y=0, z=1},
{x=0, y=0, z=-1},
{x=1, y=0, z=0}}
return gate_rotate_rules(node)
end
function update_gate(pos)
gate = get_gate(pos)
L = rotate_ports(
yc_get_real_portstates(pos),
minetest.env:get_node(pos).param2
)
if gate == "diode" then
set_gate(pos, L.a)
elseif gate == "not" then
set_gate(pos, not L.a)
elseif gate == "nand" then
set_gate(pos, not(L.b and L.d))
elseif gate == "and" then
set_gate(pos, L.b and L.d)
elseif gate == "xor" then
set_gate(pos, (L.b and not L.d) or (not L.b and L.d))
end
end
function set_gate(pos, on)
gate = get_gate(pos)
local meta = minetest.env:get_meta(pos)
if on ~= gate_state(pos) then
yc_heat(meta)
minetest.after(0.5, yc_cool, meta)
if yc_overheat(meta) then
pop_gate(pos)
else
if on then
mesecon:swap_node(pos, "mesecons_gates:"..gate.."_on")
mesecon:receptor_on(pos,
gate_get_output_rules(minetest.env:get_node(pos)))
else
mesecon:swap_node(pos, "mesecons_gates:"..gate.."_off")
mesecon:receptor_off(pos,
gate_get_output_rules(minetest.env:get_node(pos)))
end
end
end
end
function get_gate(pos)
return minetest.registered_nodes[minetest.env:get_node(pos).name].mesecons_gate
end
function gate_state(pos)
name = minetest.env:get_node(pos).name
return string.find(name, "_on") ~= nil
end
function pop_gate(pos)
gate = get_gate(pos)
minetest.env:remove_node(pos)
minetest.after(0.2, yc_overheat_off, pos)
minetest.env:add_item(pos, "mesecons_gates:"..gate.."_off")
end
function rotate_ports(L, param2)
for rotations=0, param2-1 do
port = L.a
L.a = L.b
L.b = L.c
L.c = L.d
L.d = port
end
return L
end
gates = {
{name = "diode", inputnumber = 1},
{name = "not" , inputnumber = 1},
{name = "nand" , inputnumber = 2},
{name = "and" , inputnumber = 2},
{name = "xor" , inputnumber = 2}}
for i, gate in ipairs(gates) do
if gate.inputnumber == 1 then
get_rules = gate_get_input_rules_oneinput
elseif gate.inputnumber == 2 then
get_rules = gate_get_input_rules_twoinputs
end
for on = 0, 1 do
nodename = "mesecons_gates:"..gate.name
if on == 1 then
onoff = "on"
drop = nodename.."_off"
nodename = nodename.."_"..onoff
description = "You hacker you!"
groups = {dig_immediate=2, not_in_creative_inventory=1}
else
onoff = "off"
nodename = nodename.."_"..onoff
description = gate.name.." Gate"
groups = {dig_immediate=2}
end
tiles = "jeija_microcontroller_bottom.png^"..
"jeija_gate_"..onoff..".png^"..
"jeija_gate_"..gate.name..".png"
node_box = {
type = "fixed",
fixed = {
{-8/16, -8/16, -8/16, 8/16, -7/16, 8/16 },
},
}
local mesecon_state
if on == 1 then
mesecon_state = mesecon.state.on
else
mesecon_state = mesecon.state.off
end
minetest.register_node(nodename, {
description = description,
paramtype = "light",
paramtype2 = "facedir",
drawtype = "nodebox",
tiles = {tiles},
inventory_image = tiles,
selection_box = node_box,
node_box = node_box,
walkable = true,
on_construct = function(pos)
local meta = minetest.env:get_meta(pos)
meta:set_int("heat", 0)
update_gate(pos)
end,
groups = groups,
drop = drop,
mesecons_gate = gate.name,
mesecons =
{
receptor =
{
state = mesecon_state,
rules = gate_get_output_rules
},
effector =
{
rules = get_rules,
action_change = update_gate
}
}
})
end
end
minetest.register_craft({
output = 'mesecons_gates:diode_off',
recipe = {
{'', '', ''},
{'mesecons:mesecon', 'mesecons_torch:mesecon_torch_on', 'mesecons_torch:mesecon_torch_on'},
{'', '', ''},
},
})
minetest.register_craft({
output = 'mesecons_gates:not_off',
recipe = {
{'', '', ''},
{'mesecons:mesecon', 'mesecons_torch:mesecon_torch_on', 'mesecons:mesecon'},
{'', '', ''},
},
})
minetest.register_craft({
output = 'mesecons_gates:and_off',
recipe = {
{'mesecons:mesecon', '', ''},
{'', 'mesecons_materials:silicon', 'mesecons:mesecon'},
{'mesecons:mesecon', '', ''},
},
})
minetest.register_craft({
output = 'mesecons_gates:nand_off',
recipe = {
{'mesecons:mesecon', '', ''},
{'', 'mesecons_materials:silicon', 'mesecons_torch:mesecon_torch_on'},
{'mesecons:mesecon', '', ''},
},
})
minetest.register_craft({
output = 'mesecons_gates:xor_off',
recipe = {
{'mesecons:mesecon', '', ''},
{'', 'mesecons_materials:silicon', 'mesecons_materials:silicon'},
{'mesecons:mesecon', '', ''},
},
})
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