142 lines
4.9 KiB
Lua
142 lines
4.9 KiB
Lua
-- Some variables you can change
|
|
|
|
-- How often (in seconds) homes file saves
|
|
local save_delta = 10
|
|
-- How often (in seconds) player can teleport
|
|
-- Set it to 0 to disable
|
|
local cooldown = 0
|
|
-- Max distance player can teleport, otherwise he will see error messsage
|
|
-- Set it to 0 to disable
|
|
local max_distance = 0
|
|
----------------------------------
|
|
|
|
local homes_file = minetest.get_modpath('sethome')..'/homes'
|
|
--local homes_file = minetest.get_worldpath() .. "/homes"
|
|
local homepos = {}
|
|
local last_moved = {}
|
|
|
|
local function loadhomes()
|
|
local input = io.open(homes_file, "r")
|
|
if input then
|
|
while true do
|
|
local x = input:read("*n")
|
|
if x == nil then
|
|
break
|
|
end
|
|
local y = input:read("*n")
|
|
local z = input:read("*n")
|
|
local name = input:read("*l")
|
|
homepos[name:sub(2)] = {x = x, y = y, z = z}
|
|
end
|
|
io.close(input)
|
|
else
|
|
homepos = {}
|
|
end
|
|
end
|
|
|
|
loadhomes()
|
|
|
|
local function get_time()
|
|
return os.time()
|
|
end
|
|
|
|
local function distance(a, b)
|
|
return math.sqrt(math.pow(a.x-b.x, 2) + math.pow(a.y-b.y, 2) + math.pow(a.z-b.z, 2))
|
|
end
|
|
|
|
local function round(num, idp)
|
|
local mult = 10^(idp or 0)
|
|
return math.floor(num * mult + 0.5) / mult
|
|
end
|
|
|
|
local changed = false
|
|
|
|
minetest.register_privilege("home", "Can use /home and /sethome commands")
|
|
minetest.register_privilege("home_other", "Can use /home <player> command")
|
|
minetest.register_privilege("sethome_other", "Can use /sethome <player> command")
|
|
|
|
minetest.register_chatcommand("home", {
|
|
privs = {home=true},
|
|
description = "Teleport you to your home point",
|
|
func = function(name, param)
|
|
if param ~= "" then
|
|
if minetest.get_player_privs(name)["home_other"] then
|
|
if not homepos[param] then
|
|
minetest.chat_send_player(name, "The player don't have a home now! Set it using /sethome <player>.")
|
|
return
|
|
end
|
|
player_name = param
|
|
else
|
|
minetest.chat_send_player(name, "You don't have permission to run this command (missing privileges: home_other)")
|
|
return
|
|
end
|
|
end
|
|
if player_name then pname = player_name else pname = name end
|
|
local player = minetest.env:get_player_by_name(name)
|
|
if player == nil then
|
|
-- just a check to prevent server death
|
|
return false
|
|
end
|
|
if homepos[pname] then
|
|
local time = get_time()
|
|
if cooldown ~= 0 and last_moved[name] ~= nil and time - last_moved[name] < cooldown then
|
|
minetest.chat_send_player(name, "You can teleport only once in "..cooldown.." seconds. Wait another "..round(cooldown - (time - last_moved[name]), 3).." secs...")
|
|
return true
|
|
end
|
|
local pos = player:getpos()
|
|
local dst = distance(pos, homepos[pname])
|
|
if max_distance ~= 0 and distance(pos, homepos[pname]) > max_distance then
|
|
minetest.chat_send_player(name, "You are too far away from your home. You must be "..round(dst - max_distance, 3).." meters closer to teleport to home.")
|
|
return true
|
|
end
|
|
last_moved[name] = time
|
|
player:setpos(homepos[pname])
|
|
minetest.chat_send_player(name, "Teleported to home!")
|
|
else
|
|
if param ~= "" then
|
|
minetest.chat_send_player(name, "The player don't have a home now! Set it using /sethome <player>.")
|
|
else
|
|
minetest.chat_send_player(name, "You don't have a home now! Set it using /sethome.")
|
|
end
|
|
end
|
|
end,
|
|
})
|
|
|
|
minetest.register_chatcommand("sethome", {
|
|
privs = {home=true},
|
|
description = "Set your home point",
|
|
func = function(name, param)
|
|
if param ~= "" then
|
|
if minetest.get_player_privs(name)["sethome_other"] then
|
|
player_name = param
|
|
else
|
|
minetest.chat_send_player(name, "You don't have permission to run this command (missing privileges: sethome_other)")
|
|
return
|
|
end
|
|
end
|
|
if player_name then pname = player_name else pname = name end
|
|
local player = minetest.env:get_player_by_name(name)
|
|
local pos = player:getpos()
|
|
homepos[pname] = pos
|
|
minetest.chat_send_player(name, "Home set!")
|
|
changed = true
|
|
end,
|
|
})
|
|
|
|
local delta = 0
|
|
minetest.register_globalstep(function(dtime)
|
|
delta = delta + dtime
|
|
-- save it every <save_delta> seconds
|
|
if delta > save_delta then
|
|
delta = delta - save_delta
|
|
if changed then
|
|
local output = io.open(homes_file, "w")
|
|
for i, v in pairs(homepos) do
|
|
output:write(v.x.." "..v.y.." "..v.z.." "..i.."\n")
|
|
end
|
|
io.close(output)
|
|
changed = false
|
|
end
|
|
end
|
|
end)
|