forked from Mirrorlandia_minetest/mesecons
a0920104fc
* Name to scan for can be specified by right-clicking it * It can receive digiline signals that change the name to scan for * A sign above it for the name doesn't work anymore (this features wasn't used often anyway)
106 lines
3.6 KiB
Lua
106 lines
3.6 KiB
Lua
-- Object detector
|
|
-- Detects players in a certain radius
|
|
-- The radius can be specified in mesecons/settings.lua
|
|
|
|
local object_detector_make_formspec = function (pos)
|
|
local meta = minetest.env:get_meta(pos)
|
|
meta:set_string("formspec", "size[9,2.5]" ..
|
|
"field[0.3, 0;9,2;scanname;Name of player to scan for (empty for any):;${scanname}]"..
|
|
"field[0.3,1.5;4,2;digiline_channel;Digiline Channel (optional):;${digiline_channel}]")
|
|
end
|
|
|
|
local object_detector_on_receive_fields = function (pos, formname, fields)
|
|
local meta = minetest.env:get_meta(pos)
|
|
meta:set_string("scanname", fields.scanname)
|
|
meta:set_string("digiline_channel", fields.digiline_channel)
|
|
object_detector_make_formspec(pos)
|
|
end
|
|
|
|
-- returns true if player was found, false if not
|
|
local object_detector_scan = function (pos)
|
|
local objs = minetest.env:get_objects_inside_radius(pos, OBJECT_DETECTOR_RADIUS)
|
|
for k, obj in pairs(objs) do
|
|
local isname = obj:get_player_name() -- "" is returned if it is not a player; "" ~= nil!
|
|
local scanname = minetest.env:get_meta(pos):get_string("scanname")
|
|
if (isname == scanname and isname ~= "") or (isname ~= "" and scanname == "") then -- player with scanname found or not scanname specified
|
|
return true
|
|
end
|
|
end
|
|
return false
|
|
end
|
|
|
|
-- set player name when receiving a digiline signal on a specific channel
|
|
object_detector_digiline = {
|
|
effector = {
|
|
action = function (pos, node, channel, msg)
|
|
local meta = minetest.env:get_meta(pos)
|
|
local active_channel = meta:get_string("digiline_channel")
|
|
if channel == active_channel then
|
|
meta:set_string("scanname", msg)
|
|
object_detector_make_formspec(pos)
|
|
end
|
|
end,
|
|
}
|
|
}
|
|
|
|
minetest.register_node("mesecons_detector:object_detector_off", {
|
|
tiles = {"default_steel_block.png", "default_steel_block.png", "jeija_object_detector_off.png", "jeija_object_detector_off.png", "jeija_object_detector_off.png", "jeija_object_detector_off.png"},
|
|
paramtype = "light",
|
|
walkable = true,
|
|
groups = {cracky=3},
|
|
description="Player Detector",
|
|
mesecons = {receptor = {
|
|
state = mesecon.state.off
|
|
}},
|
|
on_construct = object_detector_make_formspec,
|
|
on_receive_fields = object_detector_on_receive_fields,
|
|
digiline = object_detector_digiline
|
|
})
|
|
|
|
minetest.register_node("mesecons_detector:object_detector_on", {
|
|
tiles = {"default_steel_block.png", "default_steel_block.png", "jeija_object_detector_on.png", "jeija_object_detector_on.png", "jeija_object_detector_on.png", "jeija_object_detector_on.png"},
|
|
paramtype = "light",
|
|
walkable = true,
|
|
groups = {cracky=3,not_in_creative_inventory=1},
|
|
drop = 'mesecons_detector:object_detector_off',
|
|
mesecons = {receptor = {
|
|
state = mesecon.state.on
|
|
}},
|
|
on_construct = object_detector_make_formspec,
|
|
on_receive_fields = object_detector_on_receive_fields,
|
|
digiline = object_detector_digiline
|
|
})
|
|
|
|
minetest.register_craft({
|
|
output = 'mesecons_detector:object_detector_off',
|
|
recipe = {
|
|
{"default:steelblock", '', "default:steelblock"},
|
|
{"default:steelblock", "mesecons_microcontroller:microcontroller0000", "default:steelblock"},
|
|
{"default:steelblock", "group:mesecon_conductor_craftable", "default:steelblock"},
|
|
}
|
|
})
|
|
|
|
minetest.register_abm(
|
|
{nodenames = {"mesecons_detector:object_detector_off"},
|
|
interval = 1.0,
|
|
chance = 1,
|
|
action = function(pos)
|
|
if object_detector_scan(pos) then
|
|
mesecon:swap_node(pos, "mesecons_detector:object_detector_on")
|
|
mesecon:receptor_on(pos)
|
|
end
|
|
end,
|
|
})
|
|
|
|
minetest.register_abm(
|
|
{nodenames = {"mesecons_detector:object_detector_on"},
|
|
interval = 1.0,
|
|
chance = 1,
|
|
action = function(pos)
|
|
if not object_detector_scan(pos) then
|
|
mesecon:swap_node(pos, "mesecons_detector:object_detector_off")
|
|
mesecon:receptor_off(pos)
|
|
end
|
|
end,
|
|
})
|