-- Misc. API functions
--
-core.timers_to_add = {}
-core.timers = {}
-core.register_globalstep(function(dtime)
- for _, timer in ipairs(core.timers_to_add) do
- table.insert(core.timers, timer)
+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
- core.timers_to_add = {}
- for index, timer in ipairs(core.timers) do
- timer.time = timer.time - dtime
- if timer.time <= 0 then
- timer.func(unpack(timer.args or {}))
- table.remove(core.timers,index)
- end
- end
-end)
-function core.after(time, func, ...)
- assert(tonumber(time) and type(func) == "function",
- "Invalid core.after invocation")
- table.insert(core.timers_to_add, {time=time, 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 then
+
+ 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
- table.insert(missing_privileges, priv)
+ 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 = {}
+function core.send_join_message(player_name)
+ if not minetest.is_singleplayer() then
+ core.chat_send_all("*** " .. player_name .. " joined the game.")
+ end
+end
+
+function core.send_leave_message(player_name, timed_out)
+ local announcement = "*** " .. player_name .. " left the game."
+ if timed_out then
+ announcement = announcement .. " (timed out)"
+ end
+ core.chat_send_all(announcement)
+end
+
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
+ core.send_join_message(player_name)
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
+ core.send_leave_message(player_name, timed_out)
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
return core.get_item_group(name, group)
end
-function core.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(core.string_to_pos("10.0, 5, -2").x == 10)
-assert(core.string_to_pos("( 10.0, 5, -2)").z == -2)
-assert(core.string_to_pos("asd, 5, -2)") == nil)
-
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
end
+local raillike_ids = {}
+local raillike_cur_id = 0
+function core.raillike_group(name)
+ local id = raillike_ids[name]
+ if not id then
+ raillike_cur_id = raillike_cur_id + 1
+ raillike_ids[name] = raillike_cur_id
+ id = raillike_cur_id
+ 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
+
projects / minetest.git / blobdiff