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Add digiline commands for operating node detector (#472)

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coil 2019-08-21 20:52:33 +00:00 committed by Vitaliy
parent 8baa789eb1
commit 1a9704f184
2 changed files with 40 additions and 16 deletions
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9
mesecons_detector/doc/nodedetector/description.html
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@ -1,8 +1,11 @@
The node detector is a receptor. It changes its state when either any node
or a specific node is detected. Right-click it to set a nodename to scan for.
It can also receive digiline signals. You can either send "GET" and it will
respond with the detected nodename or you can send any other string and it will
set this string as the node to scan for.
It can also receive digiline signals. For example, you can send
<code>{distance=4, scanname="default:dirt"}</code>
to set distance to 4 and scan for dirt. You can omit either parameter.
There is also a command parameter: <code>{command="get"}</code> will respond
with the detected nodename and <code>{command="scan"}</code> will respond with
a boolean using the distance and nodename of the detector.
Nodenames must include the mod they reside in, so for instance default:dirt, not just dirt.
The distance parameter specifies how many blocks are between the node detector and the node to detect.
Automatic scanning with Mesecons output only works when the detector is in an active block, but Digilines queries always work.

41
mesecons_detector/init.lua
View File

@ -189,29 +189,50 @@ local function node_detector_scan(pos)
(frontname ~= "air" and frontname ~= "ignore" and scanname == "")
end
local function node_detector_send_node_name(pos, node, channel, meta)
local distance = meta:get_int("distance")
local distance_max = mesecon.setting("node_detector_distance_max", 10)
if distance < 0 then distance = 0 end
if distance > distance_max then distance = distance_max end
local nodename = minetest.get_node(
vector.subtract(pos, vector.multiply(minetest.facedir_to_dir(node.param2), distance + 1))
).name
digiline:receptor_send(pos, digiline.rules.default, channel, nodename)
end
-- set player name when receiving a digiline signal on a specific channel
local node_detector_digiline = {
effector = {
action = function(pos, node, channel, msg)
local meta = minetest.get_meta(pos)
local distance = meta:get_int("distance")
local distance_max = mesecon.setting("node_detector_distance_max", 10)
if distance < 0 then distance = 0 end
if distance > distance_max then distance = distance_max end
if channel ~= meta:get_string("digiline_channel") then return end
if type(msg) == "table" then
if msg.distance or msg.scanname then
if msg.distance then
meta:set_string("distance", msg.distance)
end
if msg.scanname then
meta:set_string("scanname", msg.scanname)
end
node_detector_make_formspec(pos)
end
if msg.command == "get" then
node_detector_send_node_name(pos, node, channel, meta)
elseif msg.command == "scan" then
local result = node_detector_scan(pos)
digiline:receptor_send(pos, digiline.rules.default, channel, result)
end
else
if msg == GET_COMMAND then
local nodename = minetest.get_node(
vector.subtract(pos, vector.multiply(minetest.facedir_to_dir(node.param2), distance + 1))
).name
digiline:receptor_send(pos, digiline.rules.default, channel, nodename)
node_detector_send_node_name(pos, node, channel, meta)
else
meta:set_string("scanname", msg)
node_detector_make_formspec(pos)
end
end
end,
},
receptor = {}