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radar works when in range, no buttons needed

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Thomas Rudin
2018-06-13 13:54:53 +02:00
parent 097983ec25
commit 0e317f39e2
1 changed files with 31 additions and 28 deletions
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radar.lua
+31 -28
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@@ -1,14 +1,5 @@
local update_formspec = function(meta)
local inv = meta:get_inventory()
meta:set_string("formspec", "size[8,3;]" ..
-- col 1
"button_exit[0,1;8,1;sweep;Radar sweep]" ..
"")
end
local hud = {} -- playername -> {}
local clear_radar = function(playername)
@@ -26,13 +17,17 @@ local clear_radar = function(playername)
hud[playername] = nil
end
local format_pos = function(pos)
return pos.x .. "/" .. pos.y .. "/" .. pos.z
end
local show_radar = function(pos, player)
local name = player:get_player_name()
local hud_data = hud[name]
if hud_data then
-- already active hud
return
-- already active hud, clear stale data
clear_radar(name)
end
hud_data = {}
@@ -43,7 +38,7 @@ local show_radar = function(pos, player)
-- in range
local id = player:hud_add({
hud_elem_type = "waypoint",
name = "Beacon: " .. beacon.name,
name = "Beacon: " .. beacon.name .. ", " .. format_pos(beacon.pos),
text = "m",
number = 0x00FF00,
world_pos = beacon.pos
@@ -55,10 +50,6 @@ local show_radar = function(pos, player)
hud[name] = hud_data;
minetest.after(10, function()
clear_radar(name)
end)
end
-- locator radar
@@ -73,18 +64,7 @@ minetest.register_node("locator:radar", {
"locator_radar.png"
},
groups = {cracky=3,oddly_breakable_by_hand=3},
sounds = default.node_sound_glass_defaults(),
on_construct = function(pos)
local meta = minetest.get_meta(pos)
update_formspec(meta)
end,
on_receive_fields = function(pos, formname, fields, sender)
if fields.sweep then
show_radar(pos, sender)
end
end
sounds = default.node_sound_glass_defaults()
})
@@ -97,3 +77,26 @@ minetest.register_craft({
}
})
-- timeout check
local timer = 0
local radius = 8
minetest.register_globalstep(function(dtime)
timer = timer + dtime;
-- check every 2 seconds if radar nearby
if timer >= 2 then
local players = minetest.get_connected_players()
for i,player in pairs(players) do
local pos = player:get_pos()
local node = minetest.find_node_near(pos, radius, {"locator:radar"}, true)
if node then
show_radar(pos, player)
else
clear_radar(player:get_player_name())
end
end
timer = 0
end
end)