minetest/builtin/mainmenu/common.lua

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--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
local 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
--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
local function render_client_count(n)
if n > 99 then
return '99+'
elseif n >= 0 then
return tostring(n)
else
return '?'
end
end
local function configure_selected_world_params(idx)
local worldconfig = modmgr.get_worldconfig(
menudata.worldlist:get_list()[idx].path)
if worldconfig.creative_mode ~= nil then
core.setting_set("creative_mode", worldconfig.creative_mode)
end
if worldconfig.enable_damage ~= nil then
core.setting_set("enable_damage", worldconfig.enable_damage)
end
end
--------------------------------------------------------------------------------
function image_column(tooltip, flagname)
return "image," ..
"tooltip=" .. core.formspec_escape(tooltip) .. "," ..
"0=" .. core.formspec_escape(defaulttexturedir .. "blank.png") .. "," ..
"1=" .. core.formspec_escape(defaulttexturedir .. "server_flags_" .. flagname .. ".png")
end
--------------------------------------------------------------------------------
function order_favorite_list(list)
local res = {}
--orders the favorite list after support
for i=1,#list,1 do
local fav = list[i]
if is_server_protocol_compat(fav.proto_min, fav.proto_max) then
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res[#res + 1] = fav
end
end
for i=1,#list,1 do
local fav = list[i]
if not is_server_protocol_compat(fav.proto_min, fav.proto_max) then
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res[#res + 1] = fav
end
end
return res
end
--------------------------------------------------------------------------------
function render_favorite(spec,render_details)
local text = ""
if spec.name ~= nil then
text = text .. core.formspec_escape(spec.name:trim())
-- if spec.description ~= nil and
-- core.formspec_escape(spec.description):trim() ~= "" then
-- text = text .. " (" .. core.formspec_escape(spec.description) .. ")"
-- end
else
if spec.address ~= nil then
text = text .. spec.address:trim()
if spec.port ~= nil then
text = text .. ":" .. spec.port
end
end
end
if not render_details then
return text
end
local details = ""
local grey_out = not is_server_protocol_compat(spec.proto_min, spec.proto_max)
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if spec.clients ~= nil and spec.clients_max ~= nil then
local clients_color = ''
local clients_percent = 100 * spec.clients / spec.clients_max
-- Choose a color depending on how many clients are connected
-- (relatively to clients_max)
if spec.clients == 0 then
clients_color = '' -- 0 players: default/white
elseif spec.clients == spec.clients_max then
clients_color = '#dd5b5b' -- full server: red (darker)
elseif clients_percent <= 60 then
clients_color = '#a1e587' -- 0-60%: green
elseif clients_percent <= 90 then
clients_color = '#ffdc97' -- 60-90%: yellow
else
clients_color = '#ffba97' -- 90-100%: orange
end
if grey_out then
clients_color = '#aaaaaa'
end
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details = details ..
clients_color .. ',' ..
render_client_count(spec.clients) .. ',' ..
'/,' ..
render_client_count(spec.clients_max) .. ','
elseif grey_out then
details = details .. '#aaaaaa,?,/,?,'
else
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details = details .. ',?,/,?,'
end
if spec.creative then
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details = details .. "1,"
else
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details = details .. "0,"
end
if spec.damage then
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details = details .. "1,"
else
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details = details .. "0,"
end
if spec.pvp then
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details = details .. "1,"
else
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details = details .. "0,"
end
return details .. (grey_out and '#aaaaaa,' or ',') .. text
end
--------------------------------------------------------------------------------
os.tempfolder = function()
if core.setting_get("TMPFolder") then
return core.setting_get("TMPFolder") .. DIR_DELIM .. "MT_" .. math.random(0,10000)
end
local filetocheck = os.tmpname()
os.remove(filetocheck)
local randname = "MTTempModFolder_" .. math.random(0,10000)
if DIR_DELIM == "\\" then
local tempfolder = os.getenv("TEMP")
return tempfolder .. filetocheck
else
local backstring = filetocheck:reverse()
return filetocheck:sub(0,filetocheck:len()-backstring:find(DIR_DELIM)+1) ..randname
end
end
--------------------------------------------------------------------------------
function menu_render_worldlist()
local retval = ""
local current_worldlist = menudata.worldlist:get_list()
for i,v in ipairs(current_worldlist) do
if retval ~= "" then
retval = retval ..","
end
retval = retval .. core.formspec_escape(v.name) ..
" \\[" .. core.formspec_escape(v.gameid) .. "\\]"
end
return retval
end
--------------------------------------------------------------------------------
function menu_handle_key_up_down(fields,textlist,settingname)
if fields["key_up"] then
local oldidx = core.get_textlist_index(textlist)
if oldidx ~= nil and oldidx > 1 then
local newidx = oldidx -1
core.setting_set(settingname,
menudata.worldlist:get_raw_index(newidx))
configure_selected_world_params(newidx)
end
return true
end
if fields["key_down"] then
local oldidx = core.get_textlist_index(textlist)
if oldidx ~= nil and oldidx < menudata.worldlist:size() then
local newidx = oldidx + 1
core.setting_set(settingname,
menudata.worldlist:get_raw_index(newidx))
configure_selected_world_params(newidx)
end
return true
end
return false
end
--------------------------------------------------------------------------------
function asyncOnlineFavourites()
if not menudata.public_known then
menudata.public_known = {{
name = fgettext("Loading..."),
description = fgettext_ne("Try reenabling public serverlist and check your internet connection.")
}}
end
menudata.favorites = menudata.public_known
menudata.favorites_is_public = true
core.handle_async(
function(param)
return core.get_favorites("online")
end,
nil,
function(result)
if core.setting_getbool("public_serverlist") then
local favs = order_favorite_list(result)
if favs[1] then
menudata.public_known = favs
menudata.favorites = menudata.public_known
menudata.favorites_is_public = true
end
core.event_handler("Refresh")
end
end
)
end
--------------------------------------------------------------------------------
function text2textlist(xpos,ypos,width,height,tl_name,textlen,text,transparency)
local textlines = core.splittext(text,textlen)
local retval = "textlist[" .. xpos .. "," .. ypos .. ";"
.. width .. "," .. height .. ";"
.. tl_name .. ";"
for i=1, #textlines, 1 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)
return min_supp_proto <= (server_proto_max or 24) and max_supp_proto >= (server_proto_min or 13)
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
local client_prot_ver_info
local s_p_min = server_proto_min or 13
local s_p_max = server_proto_max or 24
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
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--------------------------------------------------------------------------------
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)
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if value ~= nil then
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if not world_conf:write() then
core.log("error", "Failed to write world config file")
end
world_conf:set(setting, value)
world_conf:write()
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else
return world_conf:get(setting)
end
else
return nil
end
end
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function menu_worldmt_legacy(selected)
local modes_names = {"creative_mode", "enable_damage", "server_announce"}
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for _, mode_name in pairs(modes_names) do
local mode_val = menu_worldmt(selected, mode_name)
if mode_val ~= nil then
core.setting_set(mode_name, mode_val)
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else
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menu_worldmt(selected, mode_name, core.setting_get(mode_name))
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end
end
end