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EkdohibsEkdohibs
committedJun 8, 2014
Add node detector, which works like the player detector but detects a specific nodename (or any node except air) in front of it.
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v2022-04-012016.05.15
1 parent e589607 commit 99cb021

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‎mesecons_detector/init.lua

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Original file line numberDiff line numberDiff line change
@@ -108,3 +108,150 @@ minetest.register_abm(
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end
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end,
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})
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-- Node detector
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-- Detects the node in front of it
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local node_detector_make_formspec = function (pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("formspec", "size[9,2.5]" ..
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"field[0.3, 0;9,2;scanname;Name of node to scan for (empty for any):;${scanname}]"..
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"field[0.3,1.5;4,2;digiline_channel;Digiline Channel (optional):;${digiline_channel}]"..
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"button_exit[7,0.75;2,3;;Save]")
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end
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local node_detector_on_receive_fields = function(pos, formname, fields)
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if not fields.scanname or not fields.digiline_channel then return end;
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local meta = minetest.get_meta(pos)
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meta:set_string("scanname", fields.scanname)
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meta:set_string("digiline_channel", fields.digiline_channel)
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node_detector_make_formspec(pos)
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end
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-- returns true if player was found, false if not
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local node_detector_scan = function (pos)
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local node = minetest.get_node(pos)
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local frontpos = vector.subtract(pos, minetest.facedir_to_dir(node.param2))
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local frontnode = minetest.get_node(frontpos)
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local meta = minetest.get_meta(pos)
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return (frontnode.name == meta:get_string("scanname")) or
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(frontnode.name ~= "air" and frontnode.name ~= "ignore" and meta:get_string("scanname") == "")
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end
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-- set player name when receiving a digiline signal on a specific channel
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node_detector_digiline = {
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effector = {
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action = function (pos, node, channel, msg)
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local meta = minetest.get_meta(pos)
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local active_channel = meta:get_string("digiline_channel")
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if channel == active_channel then
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meta:set_string("scanname", msg)
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node_detector_make_formspec(pos)
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end
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end,
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}
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}
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minetest.register_node("mesecons_detector:node_detector_off", {
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tiles = {"default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "jeija_node_detector_off.png"},
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paramtype = "light",
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paramtype2 = "facedir",
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walkable = true,
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groups = {cracky=3},
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description="Node Detector",
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mesecons = {receptor = {
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state = mesecon.state.off
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}},
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on_construct = node_detector_make_formspec,
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on_receive_fields = node_detector_on_receive_fields,
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after_place_node = function (pos, placer)
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local placer_pos = placer:getpos()
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--correct for the player's height
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if placer:is_player() then placer_pos.y = placer_pos.y + 1.5 end
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--correct for 6d facedir
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if placer_pos then
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local dir = {
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x = pos.x - placer_pos.x,
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y = pos.y - placer_pos.y,
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z = pos.z - placer_pos.z
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}
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local node = minetest.get_node(pos)
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node.param2 = minetest.dir_to_facedir(dir, true)
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minetest.set_node(pos, node)
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minetest.log("action", "real (6d) facedir: " .. node.param2)
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end
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end,
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sounds = default.node_sound_stone_defaults(),
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digiline = node_detector_digiline
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})
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minetest.register_node("mesecons_detector:node_detector_on", {
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tiles = {"default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "jeija_node_detector_on.png"},
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paramtype = "light",
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paramtype2 = "facedir",
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walkable = true,
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groups = {cracky=3,not_in_creative_inventory=1},
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drop = 'mesecons_detector:node_detector_off',
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mesecons = {receptor = {
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state = mesecon.state.on
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}},
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on_construct = node_detector_make_formspec,
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on_receive_fields = node_detector_on_receive_fields,
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after_place_node = function (pos, placer)
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local placer_pos = placer:getpos()
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--correct for the player's height
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if placer:is_player() then placer_pos.y = placer_pos.y + 1.5 end
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--correct for 6d facedir
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if placer_pos then
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local dir = {
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x = pos.x - placer_pos.x,
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y = pos.y - placer_pos.y,
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z = pos.z - placer_pos.z
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}
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local node = minetest.get_node(pos)
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node.param2 = minetest.dir_to_facedir(dir, true)
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minetest.set_node(pos, node)
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minetest.log("action", "real (6d) facedir: " .. node.param2)
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end
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end,
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sounds = default.node_sound_stone_defaults(),
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digiline = node_detector_digiline
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})
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minetest.register_craft({
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output = 'mesecons_detector:node_detector_off',
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recipe = {
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{"default:steel_ingot", "group:mesecon_conductor_craftable", "default:steel_ingot"},
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{"default:steel_ingot", "mesecons_luacontroller:luacontroller0000", "default:steel_ingot"},
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{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
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}
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})
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minetest.register_abm(
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{nodenames = {"mesecons_detector:node_detector_off"},
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interval = 1.0,
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chance = 1,
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action = function(pos, node)
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if node_detector_scan(pos) then
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minetest.swap_node(pos, {name = "mesecons_detector:node_detector_on", param2 = node.param2})
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mesecon:receptor_on(pos)
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end
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end,
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})
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minetest.register_abm(
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{nodenames = {"mesecons_detector:node_detector_on"},
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interval = 1.0,
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chance = 1,
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action = function(pos, node)
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if not node_detector_scan(pos) then
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minetest.swap_node(pos, {name = "mesecons_detector:node_detector_off", param2 = node.param2})
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mesecon:receptor_off(pos)
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end
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end,
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})

‎mesecons_detector/textures/jeija_node_detector_off.png

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‎mesecons_detector/textures/jeija_node_detector_on.png

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1 commit comments

Comments
 (1)

Jeija commented on Jun 8, 2014

@Jeija
Jeija
on Jun 8, 2014
Collaborator

Looks nice! Does it work if you make node_detector_digiline local? Also, it would be great if you could make it so that one could send a digiline "GET" and the detector responds with the nodename in front of it. Unfortunately, I can't test this now and won't be able to for the next two weeks.

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