102 lines
2.4 KiB
Lua
102 lines
2.4 KiB
Lua
-- Minetest: builtin/misc.lua
|
|
|
|
--
|
|
-- Misc. API functions
|
|
--
|
|
|
|
minetest.timers_to_add = {}
|
|
minetest.timers = {}
|
|
minetest.register_globalstep(function(dtime)
|
|
for _, timer in ipairs(minetest.timers_to_add) do
|
|
table.insert(minetest.timers, timer)
|
|
end
|
|
minetest.timers_to_add = {}
|
|
for index, timer in ipairs(minetest.timers) do
|
|
timer.time = timer.time - dtime
|
|
if timer.time <= 0 then
|
|
timer.func(unpack(timer.args or {}))
|
|
table.remove(minetest.timers,index)
|
|
end
|
|
end
|
|
end)
|
|
|
|
function minetest.after(time, func, ...)
|
|
table.insert(minetest.timers_to_add, {time=time, func=func, args={...}})
|
|
end
|
|
|
|
function minetest.check_player_privs(name, privs)
|
|
local player_privs = minetest.get_player_privs(name)
|
|
local missing_privileges = {}
|
|
for priv, val in pairs(privs) do
|
|
if val then
|
|
if not player_privs[priv] then
|
|
table.insert(missing_privileges, priv)
|
|
end
|
|
end
|
|
end
|
|
if #missing_privileges > 0 then
|
|
return false, missing_privileges
|
|
end
|
|
return true, ""
|
|
end
|
|
|
|
function minetest.get_connected_players()
|
|
-- This could be optimized a bit, but leave that for later
|
|
local list = {}
|
|
for _, obj in pairs(minetest.get_objects_inside_radius({x=0,y=0,z=0}, 1000000)) do
|
|
if obj:is_player() then
|
|
table.insert(list, obj)
|
|
end
|
|
end
|
|
return list
|
|
end
|
|
|
|
function minetest.hash_node_position(pos)
|
|
return (pos.z+32768)*65536*65536 + (pos.y+32768)*65536 + pos.x+32768
|
|
end
|
|
|
|
function minetest.get_item_group(name, group)
|
|
if not minetest.registered_items[name] or not
|
|
minetest.registered_items[name].groups[group] then
|
|
return 0
|
|
end
|
|
return minetest.registered_items[name].groups[group]
|
|
end
|
|
|
|
function minetest.get_node_group(name, group)
|
|
return minetest.get_item_group(name, group)
|
|
end
|
|
|
|
function minetest.string_to_pos(value)
|
|
local p = {}
|
|
p.x, p.y, p.z = string.match(value, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
|
|
if p.x and p.y and p.z then
|
|
p.x = tonumber(p.x)
|
|
p.y = tonumber(p.y)
|
|
p.z = tonumber(p.z)
|
|
return p
|
|
end
|
|
local p = {}
|
|
p.x, p.y, p.z = string.match(value, "^%( *([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+) *%)$")
|
|
if p.x and p.y and p.z then
|
|
p.x = tonumber(p.x)
|
|
p.y = tonumber(p.y)
|
|
p.z = tonumber(p.z)
|
|
return p
|
|
end
|
|
return nil
|
|
end
|
|
|
|
assert(minetest.string_to_pos("10.0, 5, -2").x == 10)
|
|
assert(minetest.string_to_pos("( 10.0, 5, -2)").z == -2)
|
|
assert(minetest.string_to_pos("asd, 5, -2)") == nil)
|
|
|
|
function minetest.setting_get_pos(name)
|
|
local value = minetest.setting_get(name)
|
|
if not value then
|
|
return nil
|
|
end
|
|
return minetest.string_to_pos(value)
|
|
end
|
|
|