-- Misc. API functions
--
-local timers = {}
-local mintime
-local function update_timers(delay)
- mintime = false
- local sub = 0
- for index = 1, #timers do
- index = index - sub
- local timer = timers[index]
- timer.time = timer.time - delay
- if timer.time <= 0 then
- timer.func(unpack(timer.args or {}))
- table.remove(timers, index)
- sub = sub + 1
- elseif mintime then
- mintime = math.min(mintime, timer.time)
- else
- mintime = timer.time
- end
- end
-end
-
-local timers_to_add
-local function add_timers()
- for _, timer in ipairs(timers_to_add) do
- table.insert(timers, timer)
- end
- timers_to_add = false
-end
-
-local delay = 0
-core.register_globalstep(function(dtime)
- if not mintime then
- -- abort if no timers are running
- return
- end
- if timers_to_add then
- add_timers()
- end
- delay = delay + dtime
- if delay < mintime then
- return
- end
- update_timers(delay)
- delay = 0
-end)
-
-function core.after(time, func, ...)
- assert(tonumber(time) and type(func) == "function",
- "Invalid core.after invocation")
- if not mintime then
- mintime = time
- timers_to_add = {{time=time+delay, func=func, args={...}}}
- return
+function core.check_player_privs(name, ...)
+ local arg_type = type(name)
+ if (arg_type == "userdata" or arg_type == "table") and
+ name.get_player_name then -- If it quacks like a Player...
+ name = name:get_player_name()
+ elseif arg_type ~= "string" then
+ error("Invalid core.check_player_privs argument type: " .. arg_type, 2)
end
- mintime = math.min(mintime, time)
- timers_to_add = timers_to_add or {}
- timers_to_add[#timers_to_add+1] = {time=time+delay, func=func, args={...}}
-end
-function core.check_player_privs(name, privs)
+ local requested_privs = {...}
local player_privs = core.get_player_privs(name)
local missing_privileges = {}
- for priv, val in pairs(privs) do
- if val
- and not player_privs[priv] then
- table.insert(missing_privileges, priv)
+
+ if type(requested_privs[1]) == "table" then
+ -- We were provided with a table like { privA = true, privB = true }.
+ for priv, value in pairs(requested_privs[1]) do
+ if value and not player_privs[priv] then
+ missing_privileges[#missing_privileges + 1] = priv
+ end
+ end
+ else
+ -- Only a list, we can process it directly.
+ for key, priv in pairs(requested_privs) do
+ if not player_privs[priv] then
+ missing_privileges[#missing_privileges + 1] = priv
+ end
end
end
+
if #missing_privileges > 0 then
return false, missing_privileges
end
+
return true, ""
end
local player_list = {}
core.register_on_joinplayer(function(player)
- player_list[player:get_player_name()] = player
+ local player_name = player:get_player_name()
+ player_list[player_name] = player
+ if not minetest.is_singleplayer() then
+ core.chat_send_all("*** " .. player_name .. " joined the game.")
+ end
end)
-core.register_on_leaveplayer(function(player)
- player_list[player:get_player_name()] = nil
+core.register_on_leaveplayer(function(player, timed_out)
+ local player_name = player:get_player_name()
+ player_list[player_name] = nil
+ local announcement = "*** " .. player_name .. " left the game."
+ if timed_out then
+ announcement = announcement .. " (timed out)"
+ end
+ core.chat_send_all(announcement)
end)
function core.get_connected_players()
local temp_table = {}
for index, value in pairs(player_list) do
if value:is_player_connected() then
- table.insert(temp_table, value)
+ temp_table[#temp_table + 1] = value
end
end
return temp_table
end
+function minetest.player_exists(name)
+ return minetest.get_auth_handler().get_auth(name) ~= nil
+end
+
+-- Returns two position vectors representing a box of `radius` in each
+-- direction centered around the player corresponding to `player_name`
+function core.get_player_radius_area(player_name, radius)
+ local player = core.get_player_by_name(player_name)
+ if player == nil then
+ return nil
+ end
+
+ local p1 = player:getpos()
+ local p2 = p1
+
+ if radius then
+ p1 = vector.subtract(p1, radius)
+ p2 = vector.add(p2, radius)
+ end
+
+ return p1, p2
+end
+
function core.hash_node_position(pos)
return (pos.z+32768)*65536*65536 + (pos.y+32768)*65536 + pos.x+32768
end
end
function core.setting_get_pos(name)
- local value = core.setting_get(name)
+ local value = core.settings:get(name)
if not value then
return nil
end
end
return id
end
+
+-- HTTP callback interface
+function core.http_add_fetch(httpenv)
+ httpenv.fetch = function(req, callback)
+ local handle = httpenv.fetch_async(req)
+
+ local function update_http_status()
+ local res = httpenv.fetch_async_get(handle)
+ if res.completed then
+ callback(res)
+ else
+ core.after(0, update_http_status)
+ end
+ end
+ core.after(0, update_http_status)
+ end
+
+ return httpenv
+end
+
+function core.close_formspec(player_name, formname)
+ return minetest.show_formspec(player_name, formname, "")
+end
+
+function core.cancel_shutdown_requests()
+ core.request_shutdown("", false, -1)
+end
+