forked from minetest-mods/mesecons
143 lines
4.4 KiB
Lua
143 lines
4.4 KiB
Lua
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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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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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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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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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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local function update_gate(pos, node, link, newstate)
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local gate = minetest.registered_nodes[node.name]
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if gate.inputnumber == 1 then
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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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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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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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local function register_gate(name, inputnumber, assess, recipe, description)
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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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description = "Logic Gate: "..name
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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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after_dig_node = mesecon.do_cooldown,
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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, overheat = 1},
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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, overheat = 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({output = basename.."_off", recipe = recipe})
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end
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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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"Diode")
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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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"NOT Gate")
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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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"AND Gate")
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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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"NAND Gate")
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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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"XOR Gate")
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register_gate("nor", 2, function (val1, val2) return not (val1 or val2) end,
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{{"mesecons:mesecon", "", ""},
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{"", "mesecons:mesecon", "mesecons_torch:mesecon_torch_on"},
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{"mesecons:mesecon", "", ""}},
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"NOR Gate")
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register_gate("or", 2, function (val1, val2) return (val1 or val2) end,
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{{"mesecons:mesecon", "", ""},
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{"", "mesecons:mesecon", "mesecons:mesecon"},
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{"mesecons:mesecon", "", ""}},
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"OR Gate")
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