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Commit c1d0481f authored by HybridDog's avatar HybridDog
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playerdetector: short code and don't get scanname for every object

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mesecons_detector/init.lua
+ 96
− 97
View file @ c1d0481f
......@@ -4,16 +4,18 @@ local GET_COMMAND = "GET"
-- 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.get_meta(pos)
meta:set_string("formspec", "size[9,2.5]" ..
local function object_detector_make_formspec(pos)
minetest.get_meta(pos):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}]"..
"button_exit[7,0.75;2,3;;Save]")
end
local object_detector_on_receive_fields = function(pos, formname, fields)
if not fields.scanname or not fields.digiline_channel then return end;
local function object_detector_on_receive_fields(pos, _, fields)
if not fields.scanname
or not fields.digiline_channel then
return
end
local meta = minetest.get_meta(pos)
meta:set_string("scanname", fields.scanname)
......@@ -22,12 +24,18 @@ local object_detector_on_receive_fields = function(pos, formname, fields)
end
-- returns true if player was found, false if not
local object_detector_scan = function (pos)
local function object_detector_scan(pos)
local objs = minetest.get_objects_inside_radius(pos, mesecon.setting("detector_radius", 6))
for k, obj in pairs(objs) do
if not next(objs) then
return false
end
local scanname = minetest.get_meta(pos):get_string("scanname")
local every_player = scanname == ""
for _,obj in pairs(objs) do
local isname = obj:get_player_name() -- "" is returned if it is not a player; "" ~= nil!
local scanname = minetest.get_meta(pos):get_string("scanname")
if (isname == scanname and isname ~= "") or (isname ~= "" and scanname == "") then -- player with scanname found or not scanname specified
if isname ~= ""
and (every_player or isname == scanname) then -- no scanname specified or player with scanname found
return true
end
end
......@@ -37,10 +45,9 @@ end
-- set player name when receiving a digiline signal on a specific channel
local object_detector_digiline = {
effector = {
action = function (pos, node, channel, msg)
action = function(pos, node, channel, msg)
local meta = minetest.get_meta(pos)
local active_channel = meta:get_string("digiline_channel")
if channel == active_channel then
if channel == meta:get_string("digiline_channel") then
meta:set_string("scanname", msg)
object_detector_make_formspec(pos)
end
......@@ -89,43 +96,49 @@ minetest.register_craft({
}
})
minetest.register_abm(
{nodenames = {"mesecons_detector:object_detector_off"},
interval = 1.0,
minetest.register_abm({
nodenames = {"mesecons_detector:object_detector_off"},
interval = 1,
chance = 1,
action = function(pos)
if object_detector_scan(pos) then
minetest.swap_node(pos, {name = "mesecons_detector:object_detector_on"})
mesecon.receptor_on(pos, mesecon.rules.pplate)
action = function(pos, node)
if not object_detector_scan(pos) then
return
end
node.name = "mesecons_detector:object_detector_on"
minetest.swap_node(pos, node)
mesecon.receptor_on(pos, mesecon.rules.pplate)
end,
})
minetest.register_abm(
{nodenames = {"mesecons_detector:object_detector_on"},
interval = 1.0,
minetest.register_abm({
nodenames = {"mesecons_detector:object_detector_on"},
interval = 1,
chance = 1,
action = function(pos)
if not object_detector_scan(pos) then
minetest.swap_node(pos, {name = "mesecons_detector:object_detector_off"})
mesecon.receptor_off(pos, mesecon.rules.pplate)
action = function(pos, node)
if object_detector_scan(pos) then
return
end
node.name = "mesecons_detector:object_detector_off"
minetest.swap_node(pos, node)
mesecon.receptor_off(pos, mesecon.rules.pplate)
end,
})
-- Node detector
-- Detects the node in front of it
local node_detector_make_formspec = function (pos)
local meta = minetest.get_meta(pos)
meta:set_string("formspec", "size[9,2.5]" ..
local function node_detector_make_formspec(pos)
minetest.get_meta(pos):set_string("formspec", "size[9,2.5]" ..
"field[0.3, 0;9,2;scanname;Name of node to scan for (empty for any):;${scanname}]"..
"field[0.3,1.5;4,2;digiline_channel;Digiline Channel (optional):;${digiline_channel}]"..
"button_exit[7,0.75;2,3;;Save]")
end
local node_detector_on_receive_fields = function(pos, formname, fields)
if not fields.scanname or not fields.digiline_channel then return end;
local function node_detector_on_receive_fields(pos, _, fields)
if not fields.scanname
or not fields.digiline_channel then
return
end
local meta = minetest.get_meta(pos)
meta:set_string("scanname", fields.scanname)
......@@ -134,40 +147,60 @@ local node_detector_on_receive_fields = function(pos, formname, fields)
end
-- returns true if player was found, false if not
local node_detector_scan = function (pos)
if not pos then return end
local function node_detector_scan(pos)
local node = minetest.get_node_or_nil(pos)
if not node then return end
local scandir = minetest.facedir_to_dir(node.param2)
if not scandir then return end
local frontpos = vector.subtract(pos, scandir)
local frontnode = minetest.get_node(frontpos)
if not node then
return
end
local frontname = minetest.get_node(
vector.subtract(pos, minetest.facedir_to_dir(node.param2))
).name
local meta = minetest.get_meta(pos)
return (frontnode.name == meta:get_string("scanname")) or
(frontnode.name ~= "air" and frontnode.name ~= "ignore" and meta:get_string("scanname") == "")
return (frontname == meta:get_string("scanname")) or
(frontname ~= "air" and frontname ~= "ignore" and meta:get_string("scanname") == "")
end
-- set player name when receiving a digiline signal on a specific channel
local node_detector_digiline = {
effector = {
action = function (pos, node, channel, msg)
action = function(pos, node, channel, msg)
local meta = minetest.get_meta(pos)
local active_channel = meta:get_string("digiline_channel")
if channel == active_channel then
if msg == GET_COMMAND then
local frontpos = vector.subtract(pos, minetest.facedir_to_dir(node.param2))
local name = minetest.get_node(frontpos).name
digiline:receptor_send(pos, digiline.rules.default, channel, name)
else
meta:set_string("scanname", msg)
node_detector_make_formspec(pos)
end
if channel ~= meta:get_string("digiline_channel") then
return
end
if msg == GET_COMMAND then
digiline:receptor_send(pos, digiline.rules.default, channel,
minetest.get_node(
vector.subtract(pos, minetest.facedir_to_dir(node.param2))
).name
)
else
meta:set_string("scanname", msg)
node_detector_make_formspec(pos)
end
end,
},
receptor = {}
}
local function after_place_node_detector(pos, placer)
local placer_pos = placer:getpos()
if not placer_pos then
return
end
--correct for the player's height
if placer:is_player() then
placer_pos.y = placer_pos.y + 1.625
end
--correct for 6d facedir
local node = minetest.get_node(pos)
node.param2 = minetest.dir_to_facedir(vector.subtract(pos, placer_pos), true)
minetest.set_node(pos, node)
--minetest.log("action", "real (6d) facedir: " .. node.param2)
end
minetest.register_node("mesecons_detector:node_detector_off", {
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"},
paramtype = "light",
......@@ -180,25 +213,7 @@ minetest.register_node("mesecons_detector:node_detector_off", {
}},
on_construct = node_detector_make_formspec,
on_receive_fields = node_detector_on_receive_fields,
after_place_node = function (pos, placer)
local placer_pos = placer:getpos()
--correct for the player's height
if placer:is_player() then placer_pos.y = placer_pos.y + 1.5 end
--correct for 6d facedir
if placer_pos then
local dir = {
x = pos.x - placer_pos.x,
y = pos.y - placer_pos.y,
z = pos.z - placer_pos.z
}
local node = minetest.get_node(pos)
node.param2 = minetest.dir_to_facedir(dir, true)
minetest.set_node(pos, node)
minetest.log("action", "real (6d) facedir: " .. node.param2)
end
end,
after_place_node = after_place_node_detector,
sounds = default.node_sound_stone_defaults(),
digiline = node_detector_digiline
})
......@@ -215,25 +230,7 @@ minetest.register_node("mesecons_detector:node_detector_on", {
}},
on_construct = node_detector_make_formspec,
on_receive_fields = node_detector_on_receive_fields,
after_place_node = function (pos, placer)
local placer_pos = placer:getpos()
--correct for the player's height
if placer:is_player() then placer_pos.y = placer_pos.y + 1.5 end
--correct for 6d facedir
if placer_pos then
local dir = {
x = pos.x - placer_pos.x,
y = pos.y - placer_pos.y,
z = pos.z - placer_pos.z
}
local node = minetest.get_node(pos)
node.param2 = minetest.dir_to_facedir(dir, true)
minetest.set_node(pos, node)
minetest.log("action", "real (6d) facedir: " .. node.param2)
end
end,
after_place_node = after_place_node_detector,
sounds = default.node_sound_stone_defaults(),
digiline = node_detector_digiline
})
......@@ -247,25 +244,27 @@ minetest.register_craft({
}
})
minetest.register_abm(
{nodenames = {"mesecons_detector:node_detector_off"},
interval = 1.0,
minetest.register_abm({
nodenames = {"mesecons_detector:node_detector_off"},
interval = 1,
chance = 1,
action = function(pos, node)
if node_detector_scan(pos) then
minetest.swap_node(pos, {name = "mesecons_detector:node_detector_on", param2 = node.param2})
node.name = "mesecons_detector:node_detector_on"
minetest.swap_node(pos, node)
mesecon.receptor_on(pos)
end
end,
})
minetest.register_abm(
{nodenames = {"mesecons_detector:node_detector_on"},
interval = 1.0,
minetest.register_abm({
nodenames = {"mesecons_detector:node_detector_on"},
interval = 1,
chance = 1,
action = function(pos, node)
if not node_detector_scan(pos) then
minetest.swap_node(pos, {name = "mesecons_detector:node_detector_off", param2 = node.param2})
node.name = "mesecons_detector:node_detector_off"
minetest.swap_node(pos, node)
mesecon.receptor_off(pos)
end
end,
......
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