playerdetector: short code and don't get scanname for every object
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HybridDog
parent
f56c4ce35c
commit
c1d0481f8f
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@ -4,16 +4,18 @@ local GET_COMMAND = "GET"
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-- Detects players in a certain radius
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-- The radius can be specified in mesecons/settings.lua
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local object_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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local function object_detector_make_formspec(pos)
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minetest.get_meta(pos):set_string("formspec", "size[9,2.5]" ..
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"field[0.3, 0;9,2;scanname;Name of player 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 object_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 function object_detector_on_receive_fields(pos, _, fields)
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if not fields.scanname
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or not fields.digiline_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("scanname", fields.scanname)
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@ -22,12 +24,18 @@ local object_detector_on_receive_fields = function(pos, formname, fields)
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end
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-- returns true if player was found, false if not
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local object_detector_scan = function (pos)
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local function object_detector_scan(pos)
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local objs = minetest.get_objects_inside_radius(pos, mesecon.setting("detector_radius", 6))
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for k, obj in pairs(objs) do
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if not next(objs) then
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return false
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end
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local scanname = minetest.get_meta(pos):get_string("scanname")
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local every_player = scanname == ""
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for _,obj in pairs(objs) do
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local isname = obj:get_player_name() -- "" is returned if it is not a player; "" ~= nil!
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local scanname = minetest.get_meta(pos):get_string("scanname")
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if (isname == scanname and isname ~= "") or (isname ~= "" and scanname == "") then -- player with scanname found or not scanname specified
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if isname ~= ""
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and (every_player or isname == scanname) then -- no scanname specified or player with scanname found
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return true
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end
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end
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@ -37,10 +45,9 @@ end
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-- set player name when receiving a digiline signal on a specific channel
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local object_detector_digiline = {
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effector = {
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action = function (pos, node, channel, msg)
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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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if channel == meta:get_string("digiline_channel") then
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meta:set_string("scanname", msg)
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object_detector_make_formspec(pos)
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end
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@ -89,43 +96,49 @@ minetest.register_craft({
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}
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})
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minetest.register_abm(
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{nodenames = {"mesecons_detector:object_detector_off"},
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interval = 1.0,
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minetest.register_abm({
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nodenames = {"mesecons_detector:object_detector_off"},
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interval = 1,
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chance = 1,
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action = function(pos)
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if object_detector_scan(pos) then
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minetest.swap_node(pos, {name = "mesecons_detector:object_detector_on"})
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mesecon.receptor_on(pos, mesecon.rules.pplate)
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action = function(pos, node)
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if not object_detector_scan(pos) then
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return
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end
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node.name = "mesecons_detector:object_detector_on"
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minetest.swap_node(pos, node)
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mesecon.receptor_on(pos, mesecon.rules.pplate)
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end,
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})
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minetest.register_abm(
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{nodenames = {"mesecons_detector:object_detector_on"},
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interval = 1.0,
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minetest.register_abm({
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nodenames = {"mesecons_detector:object_detector_on"},
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interval = 1,
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chance = 1,
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action = function(pos)
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if not object_detector_scan(pos) then
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minetest.swap_node(pos, {name = "mesecons_detector:object_detector_off"})
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mesecon.receptor_off(pos, mesecon.rules.pplate)
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action = function(pos, node)
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if object_detector_scan(pos) then
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return
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end
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node.name = "mesecons_detector:object_detector_off"
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minetest.swap_node(pos, node)
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mesecon.receptor_off(pos, mesecon.rules.pplate)
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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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local function node_detector_make_formspec(pos)
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minetest.get_meta(pos):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 function node_detector_on_receive_fields(pos, _, fields)
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if not fields.scanname
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or not fields.digiline_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("scanname", fields.scanname)
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@ -134,40 +147,60 @@ local node_detector_on_receive_fields = function(pos, formname, fields)
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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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if not pos then return end
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local function node_detector_scan(pos)
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local node = minetest.get_node_or_nil(pos)
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if not node then return end
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local scandir = minetest.facedir_to_dir(node.param2)
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if not scandir then return end
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local frontpos = vector.subtract(pos, scandir)
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local frontnode = minetest.get_node(frontpos)
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if not node then
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return
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end
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local frontname = minetest.get_node(
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vector.subtract(pos, minetest.facedir_to_dir(node.param2))
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).name
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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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return (frontname == meta:get_string("scanname")) or
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(frontname ~= "air" and frontname ~= "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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local node_detector_digiline = {
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effector = {
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action = function (pos, node, channel, msg)
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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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if msg == GET_COMMAND then
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local frontpos = vector.subtract(pos, minetest.facedir_to_dir(node.param2))
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local name = minetest.get_node(frontpos).name
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digiline:receptor_send(pos, digiline.rules.default, channel, name)
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else
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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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if channel ~= meta:get_string("digiline_channel") then
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return
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end
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if msg == GET_COMMAND then
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digiline:receptor_send(pos, digiline.rules.default, channel,
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minetest.get_node(
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vector.subtract(pos, minetest.facedir_to_dir(node.param2))
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).name
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)
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else
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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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receptor = {}
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}
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local function after_place_node_detector(pos, placer)
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local placer_pos = placer:getpos()
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if not placer_pos then
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return
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end
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--correct for the player's height
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if placer:is_player() then
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placer_pos.y = placer_pos.y + 1.625
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end
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--correct for 6d facedir
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local node = minetest.get_node(pos)
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node.param2 = minetest.dir_to_facedir(vector.subtract(pos, placer_pos), 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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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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@ -180,25 +213,7 @@ minetest.register_node("mesecons_detector:node_detector_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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after_place_node = after_place_node_detector,
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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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@ -215,25 +230,7 @@ minetest.register_node("mesecons_detector:node_detector_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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after_place_node = after_place_node_detector,
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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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@ -247,25 +244,27 @@ minetest.register_craft({
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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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minetest.register_abm({
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nodenames = {"mesecons_detector:node_detector_off"},
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interval = 1,
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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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node.name = "mesecons_detector:node_detector_on"
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minetest.swap_node(pos, node)
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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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minetest.register_abm({
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nodenames = {"mesecons_detector:node_detector_on"},
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interval = 1,
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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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node.name = "mesecons_detector:node_detector_off"
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minetest.swap_node(pos, node)
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mesecon.receptor_off(pos)
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end
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end,
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