minetest_game/mods/sethome/init.lua

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-- sethome/init.lua
sethome = {}
-- Load support for MT game translation.
local S = minetest.get_translator("sethome")
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local homes_file = minetest.get_worldpath() .. "/homes"
local homepos = {}
local function loadhomes()
local input = io.open(homes_file, "r")
if not input then
return -- no longer an error
end
-- Iterate over all stored positions in the format "x y z player" for each line
for pos, name in input:read("*a"):gmatch("(%S+ %S+ %S+)%s([%w_-]+)[\r\n]") do
homepos[name] = minetest.string_to_pos(pos)
end
input:close()
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end
loadhomes()
sethome.set = function(name, pos)
local player = minetest.get_player_by_name(name)
if not player or not pos then
return false
end
local player_meta = player:get_meta()
player_meta:set_string("sethome:home", minetest.pos_to_string(pos))
-- remove `name` from the old storage file
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if not homepos[name] then
return true
end
local data = {}
local output = io.open(homes_file, "w")
if output then
homepos[name] = nil
for i, v in pairs(homepos) do
table.insert(data, string.format("%.1f %.1f %.1f %s\n", v.x, v.y, v.z, i))
end
output:write(table.concat(data))
io.close(output)
return true
end
return true -- if the file doesn't exist - don't return an error.
end
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sethome.get = function(name)
local player = minetest.get_player_by_name(name)
if not player then
return false, S("This command can only be executed in-game!")
end
local player_meta = player:get_meta()
local pos = minetest.string_to_pos(player_meta:get_string("sethome:home"))
if pos then
return pos
end
-- fetch old entry from storage table
pos = homepos[name]
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if pos then
return vector.new(pos)
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else
return nil
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end
end
sethome.go = function(name)
local pos = sethome.get(name)
local player = minetest.get_player_by_name(name)
if player and pos then
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player:set_pos(pos)
return true
end
return false
end
minetest.register_privilege("home", {
description = S("Can use /sethome and /home"),
give_to_singleplayer = false
})
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minetest.register_chatcommand("home", {
description = S("Teleport you to your home point"),
privs = {home = true},
func = function(name)
local player = minetest.get_player_by_name(name)
if not player then
return false, S("This command can only be executed in-game!")
end
if sethome.go(name) then
return true, S("Teleported to home!")
end
return false, S("Set a home using /sethome")
end,
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})
minetest.register_chatcommand("sethome", {
description = S("Set your home point"),
privs = {home = true},
func = function(name)
name = name or "" -- fallback to blank name if nil
local player = minetest.get_player_by_name(name)
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if player and sethome.set(name, player:get_pos()) then
return true, S("Home set!")
end
return false, S("Player not found!")
end,
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})