minetest/builtin/mainmenu/common.lua
2022-06-03 21:46:37 +02:00

253 lines
7.6 KiB
Lua

--Minetest
--Copyright (C) 2014 sapier
--
--This program is free software; you can redistribute it and/or modify
--it under the terms of the GNU Lesser General Public License as published by
--the Free Software Foundation; either version 2.1 of the License, or
--(at your option) any later version.
--
--This program is distributed in the hope that it will be useful,
--but WITHOUT ANY WARRANTY; without even the implied warranty of
--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
--GNU Lesser General Public License for more details.
--
--You should have received a copy of the GNU Lesser General Public License along
--with this program; if not, write to the Free Software Foundation, Inc.,
--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-- Global menu data
menudata = {}
-- Local cached values
local min_supp_proto, max_supp_proto
function common_update_cached_supp_proto()
min_supp_proto = core.get_min_supp_proto()
max_supp_proto = core.get_max_supp_proto()
end
common_update_cached_supp_proto()
-- Menu helper functions
local function render_client_count(n)
if n > 999 then return '99+'
elseif n >= 0 then return tostring(n)
else return '?' end
end
local function configure_selected_world_params(idx)
local worldconfig = pkgmgr.get_worldconfig(menudata.worldlist:get_list()[idx].path)
if worldconfig.creative_mode then
core.settings:set("creative_mode", worldconfig.creative_mode)
end
if worldconfig.enable_damage then
core.settings:set("enable_damage", worldconfig.enable_damage)
end
end
function render_serverlist_row(spec)
local text = ""
if spec.name then
text = text .. core.formspec_escape(spec.name:trim())
elseif spec.address then
text = text .. core.formspec_escape(spec.address:trim())
if spec.port then
text = text .. ":" .. spec.port
end
end
local grey_out = not spec.is_compatible
local details = {}
if spec.lag or spec.ping then
local lag = (spec.lag or 0) * 1000 + (spec.ping or 0) * 250
if lag <= 125 then
table.insert(details, "1")
elseif lag <= 175 then
table.insert(details, "2")
elseif lag <= 250 then
table.insert(details, "3")
else
table.insert(details, "4")
end
else
table.insert(details, "0")
end
table.insert(details, ",")
local color = (grey_out and "#aaaaaa") or ((spec.is_favorite and "#ddddaa") or "#ffffff")
if spec.clients and (spec.clients_max or 0) > 0 then
local clients_percent = 100 * spec.clients / spec.clients_max
-- Choose a color depending on how many clients are connected
-- (relatively to clients_max)
local clients_color
if grey_out then clients_color = '#aaaaaa'
elseif spec.clients == 0 then clients_color = '' -- 0 players: default/white
elseif clients_percent <= 60 then clients_color = '#a1e587' -- 0-60%: green
elseif clients_percent <= 90 then clients_color = '#ffdc97' -- 60-90%: yellow
elseif clients_percent == 100 then clients_color = '#dd5b5b' -- full server: red (darker)
else clients_color = '#ffba97' -- 90-100%: orange
end
table.insert(details, clients_color)
table.insert(details, render_client_count(spec.clients) .. " / " ..
render_client_count(spec.clients_max))
else
table.insert(details, color)
table.insert(details, "?")
end
if spec.creative then
table.insert(details, "1") -- creative icon
else
table.insert(details, "0")
end
if spec.pvp then
table.insert(details, "2") -- pvp icon
elseif spec.damage then
table.insert(details, "1") -- heart icon
else
table.insert(details, "0")
end
table.insert(details, color)
table.insert(details, text)
return table.concat(details, ",")
end
---------------------------------------------------------------------------------
os.tmpname = function()
error('do not use') -- instead use core.get_temp_path()
end
--------------------------------------------------------------------------------
function menu_render_worldlist(show_gameid)
local retval = {}
local current_worldlist = menudata.worldlist:get_list()
local row
for i, v in ipairs(current_worldlist) do
row = v.name
if show_gameid == nil or show_gameid == true then
row = row .. " [" .. v.gameid .. "]"
end
retval[#retval+1] = core.formspec_escape(row)
end
return table.concat(retval, ",")
end
function menu_handle_key_up_down(fields, textlist, settingname)
local oldidx, newidx = core.get_textlist_index(textlist), 1
if fields.key_up or fields.key_down then
if fields.key_up and oldidx and oldidx > 1 then
newidx = oldidx - 1
elseif fields.key_down and oldidx and
oldidx < menudata.worldlist:size() then
newidx = oldidx + 1
end
core.settings:set(settingname, menudata.worldlist:get_raw_index(newidx))
configure_selected_world_params(newidx)
return true
end
return false
end
function text2textlist(xpos, ypos, width, height, tl_name, textlen, text, transparency)
local textlines = core.wrap_text(text, textlen, true)
local retval = "textlist[" .. xpos .. "," .. ypos .. ";" .. width ..
"," .. height .. ";" .. tl_name .. ";"
for i = 1, #textlines do
textlines[i] = textlines[i]:gsub("\r", "")
retval = retval .. core.formspec_escape(textlines[i]) .. ","
end
retval = retval .. ";0;"
if transparency then retval = retval .. "true" end
retval = retval .. "]"
return retval
end
function is_server_protocol_compat(server_proto_min, server_proto_max)
if (not server_proto_min) or (not server_proto_max) then
-- There is no info. Assume the best and act as if we would be compatible.
return true
end
return min_supp_proto <= server_proto_max and max_supp_proto >= server_proto_min
end
function is_server_protocol_compat_or_error(server_proto_min, server_proto_max)
if not is_server_protocol_compat(server_proto_min, server_proto_max) then
local server_prot_ver_info, client_prot_ver_info
local s_p_min = server_proto_min
local s_p_max = server_proto_max
if s_p_min ~= s_p_max then
server_prot_ver_info = fgettext_ne("Server supports protocol versions between $1 and $2. ",
s_p_min, s_p_max)
else
server_prot_ver_info = fgettext_ne("Server enforces protocol version $1. ",
s_p_min)
end
if min_supp_proto ~= max_supp_proto then
client_prot_ver_info= fgettext_ne("We support protocol versions between version $1 and $2.",
min_supp_proto, max_supp_proto)
else
client_prot_ver_info = fgettext_ne("We only support protocol version $1.", min_supp_proto)
end
gamedata.errormessage = fgettext_ne("Protocol version mismatch. ")
.. server_prot_ver_info
.. client_prot_ver_info
return false
end
return true
end
function menu_worldmt(selected, setting, value)
local world = menudata.worldlist:get_list()[selected]
if world then
local filename = world.path .. DIR_DELIM .. "world.mt"
local world_conf = Settings(filename)
if value then
if not world_conf:write() then
core.log("error", "Failed to write world config file")
end
world_conf:set(setting, value)
world_conf:write()
else
return world_conf:get(setting)
end
else
return nil
end
end
function menu_worldmt_legacy(selected)
local modes_names = {"creative_mode", "enable_damage", "server_announce"}
for _, mode_name in pairs(modes_names) do
local mode_val = menu_worldmt(selected, mode_name)
if mode_val then
core.settings:set(mode_name, mode_val)
else
menu_worldmt(selected, mode_name, core.settings:get(mode_name))
end
end
end
function confirmation_formspec(message, confirm_id, confirm_label, cancel_id, cancel_label)
return "size[10,2.5,true]" ..
"label[0.5,0.5;" .. message .. "]" ..
"style[" .. confirm_id .. ";bgcolor=red]" ..
"button[0.5,1.5;2.5,0.5;" .. confirm_id .. ";" .. confirm_label .. "]" ..
"button[7.0,1.5;2.5,0.5;" .. cancel_id .. ";" .. cancel_label .. "]"
end