150 lines
4.1 KiB
Lua
150 lines
4.1 KiB
Lua
-- © 2017 numberZero
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-- License: GNU Lesser General Public License, version 2 (or any later version)
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local OVERLOAD_THRESHOLD = 50.0
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local FILTER_FORMSPEC = "field[channel;Channel;${channel}]"
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local FILTER_INFOTEXT = "Digiline Filter (channel \"%s\")"
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local FILTER_INFOTEXT_DEFAULT = FILTER_INFOTEXT:format("")
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local function filter_rules_in(node)
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return {
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digiline_routing.get_base_rule(3, node.param2),
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}
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end
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local function filter_rules_out(node)
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return {
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digiline_routing.get_base_rule(1, node.param2),
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}
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end
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local function filter_init(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("formspec", FILTER_FORMSPEC)
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meta:set_string("infotext", FILTER_INFOTEXT_DEFAULT)
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meta:set_string("channel", "")
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end
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local function filter_receive_fields(pos, formname, fields, sender)
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if digiline_routing.is_protected(pos, sender) then
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return
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end
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if not fields.channel then
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return
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end
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local meta = minetest.get_meta(pos)
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meta:set_string("channel", fields.channel)
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meta:set_string("infotext", FILTER_INFOTEXT:format(fields.channel))
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end
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local function filter_place(...)
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return (digiline_routing.multiblock.build2("digiline_routing:filter", "digiline_routing:filter_b", ...)) -- adjust to 1 value
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end
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local function filter_cleanup(pos, node)
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digiline_routing.overheat.forget(pos)
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digiline_routing.multiblock.dig2(pos, node)
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end
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local function filter_test(master, channel, node)
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if digiline_routing.overheat.heat(master) > OVERLOAD_THRESHOLD then
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minetest.remove_node(master)
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filter_cleanup(master, node)
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minetest.add_item(master, "digiline_routing:filter")
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return false
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end
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return channel == minetest.get_meta(master):get_string("channel")
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end
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local function filter_in_action(pos, node, channel, msg)
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if filter_test(pos, channel, node) then
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local off = minetest.facedir_to_dir(node.param2)
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local slave = vector.add(pos, off)
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digiline:receptor_send(slave, filter_rules_out(node), channel, msg)
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end
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end
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local function filter_out_action(pos, node, channel, msg)
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local off = minetest.facedir_to_dir(node.param2)
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local master = vector.subtract(pos, off)
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if filter_test(master, channel, node) then
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digiline:receptor_send(master, filter_rules_in(node), channel, msg)
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end
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end
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minetest.register_node("digiline_routing:filter", {
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description = "Digiline Filter",
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drawtype = "nodebox",
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tiles = {
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"digiline_routing_metal.png"
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},
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paramtype = "light",
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paramtype2 = "facedir",
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is_ground_content = false,
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groups = {dig_immediate=2},
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node_box = {
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type = "fixed",
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fixed = {
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{ -1/16, -8/16, -8/16, 1/16, -7/16, 24/16 },
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{ -2/16, -8/16, -4/16, 2/16, -6/16, 20/16 },
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{ -3/16, -8/16, -3/16, 3/16, -5/16, 4/16 },
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{ -4/16, -8/16, -2/16, 4/16, -5/16, 3/16 },
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{ -5/16, -8/16, -1/16, 5/16, -5/16, 2/16 },
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{ -5/16, -8/16, 7/16, 5/16, -6/16, 9/16 },
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{ -7/16, -8/16, 5/16, -5/16, -5/16, 11/16 },
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{ 5/16, -8/16, 5/16, 7/16, -5/16, 11/16 },
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{ -3/16, -8/16, 12/16, 3/16, -5/16, 19/16 },
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{ -4/16, -8/16, 13/16, 4/16, -5/16, 18/16 },
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{ -5/16, -8/16, 14/16, 5/16, -5/16, 17/16 },
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},
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},
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on_construct = filter_init,
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on_place = filter_place,
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after_destruct = filter_cleanup,
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on_receive_fields = filter_receive_fields,
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on_rotate = digiline_routing.multiblock.rotate2,
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digiline = {
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effector = {
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action = filter_in_action,
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rules = filter_rules_in,
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},
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receptor = {
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rules = filter_rules_in,
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},
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},
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})
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mesecon.register_mvps_stopper("digiline_routing:filter")
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minetest.register_node("digiline_routing:filter_b", {
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description = "<<INTERNAL>> Digiline Filter (Part B)",
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drawtype = "nodebox",
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tiles = {
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"digiline_routing_metal.png"
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},
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paramtype = "light",
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paramtype2 = "facedir",
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is_ground_content = false,
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pointable = false,
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groups = {dig_immediate=2, not_in_creative_inventory=1},
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node_box = {
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type = "fixed",
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fixed = {},
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},
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drop = "",
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on_dig = digiline_routing.multiblock.dig2b,
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on_rotate = digiline_routing.multiblock.rotate2b,
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digiline = {
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effector = {
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action = filter_out_action,
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rules = filter_rules_out,
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},
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receptor = {
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rules = filter_rules_out,
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},
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},
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})
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mesecon.register_mvps_stopper("digiline_routing:filter_b")
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