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Add digiline commands for operating node detector (#472)
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@ -1,8 +1,11 @@
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The node detector is a receptor. It changes its state when either any node
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The node detector is a receptor. It changes its state when either any node
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or a specific node is detected. Right-click it to set a nodename to scan for.
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or a specific node is detected. Right-click it to set a nodename to scan for.
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It can also receive digiline signals. You can either send "GET" and it will
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It can also receive digiline signals. For example, you can send
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respond with the detected nodename or you can send any other string and it will
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<code>{distance=4, scanname="default:dirt"}</code>
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set this string as the node to scan for.
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to set distance to 4 and scan for dirt. You can omit either parameter.
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There is also a command parameter: <code>{command="get"}</code> will respond
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with the detected nodename and <code>{command="scan"}</code> will respond with
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a boolean using the distance and nodename of the detector.
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Nodenames must include the mod they reside in, so for instance default:dirt, not just dirt.
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Nodenames must include the mod they reside in, so for instance default:dirt, not just dirt.
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The distance parameter specifies how many blocks are between the node detector and the node to detect.
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The distance parameter specifies how many blocks are between the node detector and the node to detect.
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Automatic scanning with Mesecons output only works when the detector is in an active block, but Digilines queries always work.
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Automatic scanning with Mesecons output only works when the detector is in an active block, but Digilines queries always work.
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@ -189,29 +189,50 @@ local function node_detector_scan(pos)
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(frontname ~= "air" and frontname ~= "ignore" and scanname == "")
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(frontname ~= "air" and frontname ~= "ignore" and scanname == "")
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end
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end
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local function node_detector_send_node_name(pos, node, channel, meta)
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local distance = meta:get_int("distance")
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local distance_max = mesecon.setting("node_detector_distance_max", 10)
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if distance < 0 then distance = 0 end
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if distance > distance_max then distance = distance_max end
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local nodename = minetest.get_node(
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vector.subtract(pos, vector.multiply(minetest.facedir_to_dir(node.param2), distance + 1))
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).name
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digiline:receptor_send(pos, digiline.rules.default, channel, nodename)
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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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-- set player name when receiving a digiline signal on a specific channel
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local node_detector_digiline = {
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local node_detector_digiline = {
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effector = {
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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 meta = minetest.get_meta(pos)
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local distance = meta:get_int("distance")
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local distance_max = mesecon.setting("node_detector_distance_max", 10)
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if distance < 0 then distance = 0 end
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if distance > distance_max then distance = distance_max end
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if channel ~= meta:get_string("digiline_channel") then return end
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if channel ~= meta:get_string("digiline_channel") then return end
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if type(msg) == "table" then
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if msg.distance or msg.scanname then
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if msg.distance then
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meta:set_string("distance", msg.distance)
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end
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if msg.scanname then
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meta:set_string("scanname", msg.scanname)
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end
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node_detector_make_formspec(pos)
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end
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if msg.command == "get" then
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node_detector_send_node_name(pos, node, channel, meta)
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elseif msg.command == "scan" then
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local result = node_detector_scan(pos)
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digiline:receptor_send(pos, digiline.rules.default, channel, result)
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end
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else
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if msg == GET_COMMAND then
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if msg == GET_COMMAND then
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local nodename = minetest.get_node(
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node_detector_send_node_name(pos, node, channel, meta)
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vector.subtract(pos, vector.multiply(minetest.facedir_to_dir(node.param2), distance + 1))
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).name
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digiline:receptor_send(pos, digiline.rules.default, channel, nodename)
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else
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else
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meta:set_string("scanname", msg)
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meta:set_string("scanname", msg)
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node_detector_make_formspec(pos)
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node_detector_make_formspec(pos)
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end
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end
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end
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end,
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end,
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},
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},
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receptor = {}
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receptor = {}
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