hudlib/api.lua
octacian b16573e10c Add hudplus.register and hudplus.unregister
Add or remove an HUD for all players.
2017-03-13 16:32:32 -07:00

239 lines
5.2 KiB
Lua

-- hudplus/api.lua
local huds = {}
local queue = {}
local times = {}
-- [function] After
function hudplus.after(name, time, func)
queue[name] = { time = time, func = func, }
-- Update times table
if times[name] then
times[name] = 1
end
end
-- [function] Destroy after
function hudplus.after_remove(name)
if queue[name] then
queue[name] = nil
return true
end
end
-- [register] Globalstep
minetest.register_globalstep(function(dtime)
-- Queue
for _, i in pairs(queue) do
if not times[_] then
times[_] = 1
end
times[_] = times[_] + dtime
if times[_] >= i.time then
i.func()
hudplus.after_remove(_)
times[_] = nil
end
end
-- on_step Callback
for player, huds in pairs(huds) do
for _, hud in pairs(huds) do
if hud.on_step then
hud.on_step(minetest.get_player_by_name(player), dtime)
end
end
end
end)
-- [function] Get HUD
function hudplus.hud_get(name, hud_name, key)
assert(name and hud_name, "hudplus.hud_get: Invalid parameters")
if type(name) == "userdata" then
name = name:get_player_name()
end
if not huds[name] then
huds[name] = {}
end
local hud = huds[name][hud_name]
if hud then
if key then
return hud[key]
else
return hud
end
end
end
-- [function] Add HUD
function hudplus.hud_add(player, hud_name, def)
assert(player and hud_name and def, "hudplus.hud_add: Invalid parameters")
if type(player) == "string" then
player = minetest.get_player_by_name(player)
end
local name = player:get_player_name()
if not huds[name] then
huds[name] = {}
end
if not huds[name][hud_name] then
def.hud_elem_type = def.type or def.hud_elem_type
def.position = def.pos or def.position
if def.show == false then
huds[name][hud_name] = {
def = def,
show = false,
}
else
local on_step = def.on_step
def.on_step = nil
local id = player:hud_add(def)
huds[name][hud_name] = {
id = id,
def = def,
show = true,
on_step = on_step,
}
if def.hide_after then
hudplus.after("hide_"..hud_name, def.hide_after, function()
hudplus.hud_hide(player, hud_name)
if def.on_hide then
def.on_hide()
end
end)
end
return true
end
end
end
-- [function] Remove HUD
function hudplus.hud_remove(player, hud_name)
assert(player and hud_name, "hudplus.hud_remove: Invalid parameters")
if type(player) == "string" then
player = minetest.get_player_by_name(player)
end
local name = player:get_player_name()
local hud = hudplus.hud_get(name, hud_name)
if hud then
player:hud_remove(hud.id)
return true
end
end
-- [function] Change HUD
function hudplus.hud_change(player, hud_name, key, val)
assert(player and hud_name and key, "hudplus.hud_change: Invalid parameters")
if type(player) == "string" then
player = minetest.get_player_by_name(player)
end
if key == "type" then key = "hud_elem_type" end
if key == "pos" then key = "position" end
local name = player:get_player_name()
local hud = hudplus.hud_get(name, hud_name)
if hud then
player:hud_change(hud.id, key, val)
return true
end
end
-- [function] Hide HUD
function hudplus.hud_hide(player, hud_name)
assert(player and hud_name, "hudplus.hud_hide: Invalid parameters")
if type(player) == "string" then
player = minetest.get_player_by_name(player)
end
local name = player:get_player_name()
local hud = hudplus.hud_get(name, hud_name)
if hud then
if hud.show == true then
player:hud_remove(hud.id)
hud.show = false
local def = hud.def
if def.on_hide then
def.on_hide()
end
return true
end
end
end
-- [function] Show HUD
function hudplus.hud_show(player, hud_name)
assert(player and hud_name, "hudplus.hud_hide: Invalid parameters")
if type(player) == "string" then
player = minetest.get_player_by_name(player)
end
local name = player:get_player_name()
local hud = hudplus.hud_get(name, hud_name)
if hud then
if hud.show == false then
hud.id = player:hud_add(hud.def)
hud.show = true
local def = hud.def
if def.hide_after then
hudplus.after("hide_"..hud_name, def.hide_after, function()
hudplus.hud_hide(player, hud_name)
if def.on_hide then
def.on_hide()
end
end)
end
if def.on_show then
def.on_show()
end
return true
end
end
end
-- [function] Register HUD
function hudplus.register(hud_name, def)
local when = def.show_on or "join"
if when == "join" then
minetest.register_on_joinplayer(function(player)
hudplus.hud_add(player, hud_name, def)
if def.on_add then
def.on_add(player)
end
end)
elseif when == "now" then
for _, player in pairs(minetest.get_connected_players()) do
if hudplus.hud_add(player, hud_name, def) then
if def.on_add then
def.on_add(player)
end
end
end
end
end
-- [function] Unregister HUD
function hudplus.unregister(hud_name)
for player, huds in pairs(huds) do
hudplus.hud_remove(minetest.get_player_by_name(player), hud_name)
end
end