forked from minetest-mods/mesecons
Rewrite Logic Gates: Makes it super-easy to add new gates and cleans up code
Fix bugs in the Luacontroller (when placing, false input pin values were given) and fix variables leaking into the global environment in pistons.
This commit is contained in:
Jeija
@ -1,222 +1,124 @@
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function gate_rotate_rules(node)
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local nodebox = {
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type = "fixed",
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fixed = {{-8/16, -8/16, -8/16, 8/16, -7/16, 8/16 }},
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}
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local function gate_rotate_rules(node, rules)
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for rotations = 0, node.param2 - 1 do
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rules = mesecon.rotate_rules_left(rules)
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end
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return rules
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end
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function gate_get_output_rules(node)
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rules = {{x=1, y=0, z=0}}
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return gate_rotate_rules(node)
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local function gate_get_output_rules(node)
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return gate_rotate_rules(node, {{x=1, y=0, z=0}})
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end
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function gate_get_input_rules_oneinput(node)
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rules = {{x=-1, y=0, z=0}, {x=1, y=0, z=0}}
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return gate_rotate_rules(node)
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local function gate_get_input_rules_oneinput(node)
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return gate_rotate_rules(node, {{x=-1, y=0, z=0}})
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end
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function gate_get_input_rules_twoinputs(node)
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rules = {
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{x=0, y=0, z=1},
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{x=0, y=0, z=-1},
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{x=1, y=0, z=0}}
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return gate_rotate_rules(node)
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local function gate_get_input_rules_twoinputs(node)
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return gate_rotate_rules(node, {{x=0, y=0, z=1, name="input1"},
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{x=0, y=0, z=-1, name="input2"}})
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end
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function update_gate(pos, node, rulename, newstate)
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yc_update_real_portstates(pos, node, rulename, newstate)
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gate = get_gate(pos)
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L = rotate_ports(
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yc_get_real_portstates(pos),
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minetest.get_node(pos).param2
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)
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if gate == "diode" then
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set_gate(pos, L.a)
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elseif gate == "not" then
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set_gate(pos, not L.a)
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elseif gate == "nand" then
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set_gate(pos, not(L.b and L.d))
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elseif gate == "and" then
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set_gate(pos, L.b and L.d)
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elseif gate == "xor" then
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set_gate(pos, (L.b and not L.d) or (not L.b and L.d))
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local function set_gate(pos, node, state)
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local gate = minetest.registered_nodes[node.name]
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if mesecon.do_overheat(pos) then
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minetest.remove_node(pos)
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mesecon.receptor_off(pos, gate_get_output_rules(node))
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minetest.add_item(pos, gate.drop)
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elseif state then
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minetest.swap_node(pos, {name = gate.onstate, param2=node.param2})
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mesecon.receptor_on(pos, gate_get_output_rules(node))
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else
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minetest.swap_node(pos, {name = gate.offstate, param2=node.param2})
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mesecon.receptor_off(pos, gate_get_output_rules(node))
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end
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end
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function set_gate(pos, on)
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gate = get_gate(pos)
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local meta = minetest.get_meta(pos)
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if on ~= gate_state(pos) then
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if mesecon.do_overheat(pos) then
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pop_gate(pos)
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else
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local node = minetest.get_node(pos)
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if on then
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minetest.swap_node(pos, {name = "mesecons_gates:"..gate.."_on", param2=node.param2})
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mesecon.receptor_on(pos,
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gate_get_output_rules(node))
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else
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minetest.swap_node(pos, {name = "mesecons_gates:"..gate.."_off", param2=node.param2})
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mesecon.receptor_off(pos,
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gate_get_output_rules(node))
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end
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end
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end
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end
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local function update_gate(pos, node, link, newstate)
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local gate = minetest.registered_nodes[node.name]
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function get_gate(pos)
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return minetest.registered_nodes[minetest.get_node(pos).name].mesecons_gate
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end
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function gate_state(pos)
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name = minetest.get_node(pos).name
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return string.find(name, "_on") ~= nil
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end
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function pop_gate(pos)
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gate = get_gate(pos)
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minetest.remove_node(pos)
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minetest.after(0.2, function (pos)
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mesecon.receptor_off(pos, mesecon.rules.flat)
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end , pos) -- wait for pending parsings
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minetest.add_item(pos, "mesecons_gates:"..gate.."_off")
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end
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function rotate_ports(L, param2)
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for rotations=0, param2-1 do
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port = L.a
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L.a = L.b
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L.b = L.c
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L.c = L.d
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L.d = port
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end
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return L
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end
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gates = {
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{name = "diode", inputnumber = 1},
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{name = "not" , inputnumber = 1},
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{name = "nand" , inputnumber = 2},
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{name = "and" , inputnumber = 2},
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{name = "xor" , inputnumber = 2}}
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local onoff, drop, nodename, description, groups
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for _, gate in ipairs(gates) do
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if gate.inputnumber == 1 then
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get_rules = gate_get_input_rules_oneinput
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set_gate(pos, node, gate.assess(newstate == "on"))
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elseif gate.inputnumber == 2 then
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get_rules = gate_get_input_rules_twoinputs
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end
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for on = 0, 1 do
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nodename = "mesecons_gates:"..gate.name
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if on == 1 then
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onoff = "on"
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drop = nodename.."_off"
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nodename = nodename.."_"..onoff
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description = "You hacker you!"
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groups = {dig_immediate=2, not_in_creative_inventory=1, overheat = 1}
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else
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onoff = "off"
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drop = nil
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nodename = nodename.."_"..onoff
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description = gate.name.." Gate"
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groups = {dig_immediate=2, overheat = 1}
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end
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local meta = minetest.get_meta(pos)
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meta:set_int(link.name, newstate == "on" and 1 or 0)
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tiles = "jeija_microcontroller_bottom.png^"..
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"jeija_gate_"..onoff..".png^"..
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"jeija_gate_"..gate.name..".png"
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node_box = {
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type = "fixed",
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fixed = {
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{-8/16, -8/16, -8/16, 8/16, -7/16, 8/16 },
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},
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}
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local mesecon_state
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if on == 1 then
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mesecon_state = mesecon.state.on
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else
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mesecon_state = mesecon.state.off
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end
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minetest.register_node(nodename, {
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description = description,
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paramtype = "light",
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paramtype2 = "facedir",
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drawtype = "nodebox",
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tiles = {tiles},
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inventory_image = tiles,
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selection_box = node_box,
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node_box = node_box,
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walkable = true,
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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update_gate(pos)
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end,
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groups = groups,
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drop = drop,
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sounds = default.node_sound_stone_defaults(),
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mesecons_gate = gate.name,
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mesecons =
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{
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receptor =
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{
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state = mesecon_state,
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rules = gate_get_output_rules
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},
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effector =
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{
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rules = get_rules,
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action_change = update_gate
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}
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}
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})
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local val1 = meta:get_int("input1") == 1
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local val2 = meta:get_int("input2") == 1
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set_gate(pos, node, gate.assess(val1, val2))
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end
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end
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minetest.register_craft({
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output = 'mesecons_gates:diode_off',
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recipe = {
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{'', '', ''},
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{'mesecons:mesecon', 'mesecons_torch:mesecon_torch_on', 'mesecons_torch:mesecon_torch_on'},
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{'', '', ''},
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},
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})
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function register_gate(name, inputnumber, assess, recipe)
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local get_inputrules = inputnumber == 2 and gate_get_input_rules_twoinputs or
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gate_get_input_rules_oneinput
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local description = "Mesecons Logic Gate: "..name
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minetest.register_craft({
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output = 'mesecons_gates:not_off',
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recipe = {
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{'', '', ''},
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{'mesecons:mesecon', 'mesecons_torch:mesecon_torch_on', 'mesecons:mesecon'},
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{'', '', ''},
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},
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})
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local basename = "mesecons_gates:"..name
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mesecon.register_node(basename, {
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description = description,
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inventory_image = "jeija_gate_off.png^jeija_gate_"..name..".png",
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paramtype = "light",
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paramtype2 = "facedir",
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drawtype = "nodebox",
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drop = basename.."_off",
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selection_box = nodebox,
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node_box = nodebox,
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walkable = true,
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sounds = default.node_sound_stone_defaults(),
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assess = assess,
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onstate = basename.."_on",
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offstate = basename.."_off",
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inputnumber = inputnumber
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},{
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tiles = {"jeija_microcontroller_bottom.png^".."jeija_gate_off.png^"..
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"jeija_gate_"..name..".png"},
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groups = {dig_immediate = 2},
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mesecons = { receptor = {
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state = "off",
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rules = gate_get_output_rules
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}, effector = {
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rules = get_inputrules,
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action_change = update_gate
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}}
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},{
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tiles = {"jeija_microcontroller_bottom.png^".."jeija_gate_on.png^"..
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"jeija_gate_"..name..".png"},
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groups = {dig_immediate = 2, not_in_creative_inventory = 1},
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mesecons = { receptor = {
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state = "on",
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rules = gate_get_output_rules
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}, effector = {
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rules = get_inputrules,
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action_change = update_gate
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}}
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})
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minetest.register_craft({
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output = 'mesecons_gates:and_off',
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recipe = {
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{'mesecons:mesecon', '', ''},
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{'', 'mesecons_materials:silicon', 'mesecons:mesecon'},
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{'mesecons:mesecon', '', ''},
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},
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})
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minetest.register_craft({output = basename.."_off", recipe = recipe})
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end
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minetest.register_craft({
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output = 'mesecons_gates:nand_off',
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recipe = {
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{'mesecons:mesecon', '', ''},
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{'', 'mesecons_materials:silicon', 'mesecons_torch:mesecon_torch_on'},
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{'mesecons:mesecon', '', ''},
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},
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})
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register_gate("diode", 1, function (input) return input end,
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{{"mesecons:mesecon", "mesecons_torch:mesecon_torch_on", "mesecons_torch:mesecon_torch_on"}})
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minetest.register_craft({
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output = 'mesecons_gates:xor_off',
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recipe = {
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{'mesecons:mesecon', '', ''},
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{'', 'mesecons_materials:silicon', 'mesecons_materials:silicon'},
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{'mesecons:mesecon', '', ''},
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},
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})
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register_gate("not", 1, function (input) return not input end,
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{{"mesecons:mesecon", "mesecons_torch:mesecon_torch_on", "mesecons:mesecon"}})
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register_gate("and", 2, function (val1, val2) return val1 and val2 end,
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{{"mesecons:mesecon", "", ""},
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{"", "mesecons_materials:silicon", "mesecons:mesecon"},
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{"mesecons:mesecon", "", ""}})
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register_gate("nand", 2, function (val1, val2) return not (val1 and val2) end,
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{{"mesecons:mesecon", "", ""},
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{"", "mesecons_materials:silicon", "mesecons_torch:mesecon_torch_on"},
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{"mesecons:mesecon", "", ""}})
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register_gate("xor", 2, function (val1, val2) return (val1 or val2) and not (val1 and val2) end,
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{{"mesecons:mesecon", "", ""},
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{"", "mesecons_materials:silicon", "mesecons_materials:silicon"},
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{"mesecons:mesecon", "", ""}})
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