minetest-mods/protector/hud.lua

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local S = protector.intllib
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local radius = (tonumber(minetest.settings:get("protector_radius")) or 5)
-- radius limiter (minetest cannot handle node volume of more than 4096000)
if radius > 22 then radius = 22 end
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local hud = {}
local hud_timer = 0
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local hud_interval = (tonumber(minetest.settings:get("protector_hud_interval")) or 5)
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if hud_interval > 0 then
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minetest.register_globalstep(function(dtime)
-- every 5 seconds
hud_timer = hud_timer + dtime
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if hud_timer < hud_interval then
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return
end
hud_timer = 0
for _, player in pairs(minetest.get_connected_players()) do
local name = player:get_player_name()
local pos = vector.round(player:get_pos())
local hud_text = ""
local protectors = minetest.find_nodes_in_area(
{x = pos.x - radius , y = pos.y - radius , z = pos.z - radius},
{x = pos.x + radius , y = pos.y + radius , z = pos.z + radius},
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{"protector:protect","protector:protect2", "protector:protect_hidden"})
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if #protectors > 0 then
local npos = protectors[1]
local meta = minetest.get_meta(npos)
local nodeowner = meta:get_string("owner")
hud_text = S("Owner: @1", nodeowner)
end
if not hud[name] then
hud[name] = {}
hud[name].id = player:hud_add({
hud_elem_type = "text",
name = "Protector Area",
number = 0xFFFF22,
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position = {x = 0, y = 0.95},
offset = {x = 8, y = -8},
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text = hud_text,
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scale = {x = 200, y = 60},
alignment = {x = 1, y = -1},
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})
return
else
player:hud_change(hud[name].id, "text", hud_text)
end
end
end)
minetest.register_on_leaveplayer(function(player)
hud[player:get_player_name()] = nil
end)
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end