forked from Mirrorlandia_minetest/minetest
5a0ed780f5
Client now informs about incompatible servers from the list, this permits to prevent the protocol movements. Server announces its supported protocol versions to master server
278 lines
8.0 KiB
Lua
278 lines
8.0 KiB
Lua
--Minetest
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--Copyright (C) 2014 sapier
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--
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--This program is free software; you can redistribute it and/or modify
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--it under the terms of the GNU Lesser General Public License as published by
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--the Free Software Foundation; either version 2.1 of the License, or
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--(at your option) any later version.
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--
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--This program is distributed in the hope that it will be useful,
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--but WITHOUT ANY WARRANTY; without even the implied warranty of
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--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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--GNU Lesser General Public License for more details.
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--
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--You should have received a copy of the GNU Lesser General Public License along
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--with this program; if not, write to the Free Software Foundation, Inc.,
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--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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--------------------------------------------------------------------------------
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-- Global menu data
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--------------------------------------------------------------------------------
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menudata = {}
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--------------------------------------------------------------------------------
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-- Local cached values
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--------------------------------------------------------------------------------
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local min_supp_proto = core.get_min_supp_proto()
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local max_supp_proto = core.get_max_supp_proto()
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--------------------------------------------------------------------------------
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-- Menu helper functions
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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local function render_client_count(n)
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if n > 99 then
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return '99+'
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elseif n >= 0 then
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return tostring(n)
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else
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return '?'
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end
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end
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--------------------------------------------------------------------------------
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function image_column(tooltip, flagname)
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return "image," ..
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"tooltip=" .. core.formspec_escape(tooltip) .. "," ..
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"0=" .. core.formspec_escape(defaulttexturedir .. "blank.png") .. "," ..
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"1=" .. core.formspec_escape(defaulttexturedir .. "server_flags_" .. flagname .. ".png")
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end
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--------------------------------------------------------------------------------
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function order_favorite_list(list)
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local res = {}
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--orders the favorite list after support
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for i=1,#list,1 do
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local fav = list[i]
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if is_server_protocol_compat(fav.proto_min, fav.proto_max) then
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table.insert(res, fav)
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end
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end
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for i=1,#list,1 do
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local fav = list[i]
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if not is_server_protocol_compat(fav.proto_min, fav.proto_max) then
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table.insert(res, fav)
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end
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end
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return res
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end
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--------------------------------------------------------------------------------
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function render_favorite(spec,render_details)
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local text = ""
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if spec.name ~= nil then
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text = text .. core.formspec_escape(spec.name:trim())
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-- if spec.description ~= nil and
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-- core.formspec_escape(spec.description):trim() ~= "" then
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-- text = text .. " (" .. core.formspec_escape(spec.description) .. ")"
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-- end
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else
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if spec.address ~= nil then
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text = text .. spec.address:trim()
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if spec.port ~= nil then
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text = text .. ":" .. spec.port
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end
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end
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end
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if not render_details then
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return text
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end
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local details = ""
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local grey_out = not is_server_protocol_compat(spec.proto_max, spec.proto_min)
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if spec.clients ~= nil and spec.clients_max ~= nil then
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local clients_color = ''
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local clients_percent = 100 * spec.clients / spec.clients_max
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-- Choose a color depending on how many clients are connected
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-- (relatively to clients_max)
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if spec.clients == 0 then
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clients_color = '' -- 0 players: default/white
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elseif spec.clients == spec.clients_max then
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clients_color = '#dd5b5b' -- full server: red (darker)
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elseif clients_percent <= 60 then
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clients_color = '#a1e587' -- 0-60%: green
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elseif clients_percent <= 90 then
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clients_color = '#ffdc97' -- 60-90%: yellow
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else
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clients_color = '#ffba97' -- 90-100%: orange
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end
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if grey_out then
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clients_color = '#aaaaaa'
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end
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details = details ..
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clients_color .. ',' ..
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render_client_count(spec.clients) .. ',' ..
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'/,' ..
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render_client_count(spec.clients_max) .. ','
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elseif grey_out then
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details = details .. '#aaaaaa,?,/,?,'
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else
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details = details .. ',?,/,?,'
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end
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if spec.creative then
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details = details .. "1,"
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else
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details = details .. "0,"
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end
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if spec.damage then
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details = details .. "1,"
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else
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details = details .. "0,"
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end
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if spec.pvp then
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details = details .. "1,"
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else
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details = details .. "0,"
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end
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return details .. (grey_out and '#aaaaaa,' or ',') .. text
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end
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--------------------------------------------------------------------------------
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os.tempfolder = function()
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if core.setting_get("TMPFolder") then
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return core.setting_get("TMPFolder") .. DIR_DELIM .. "MT_" .. math.random(0,10000)
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end
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local filetocheck = os.tmpname()
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os.remove(filetocheck)
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local randname = "MTTempModFolder_" .. math.random(0,10000)
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if DIR_DELIM == "\\" then
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local tempfolder = os.getenv("TEMP")
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return tempfolder .. filetocheck
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else
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local backstring = filetocheck:reverse()
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return filetocheck:sub(0,filetocheck:len()-backstring:find(DIR_DELIM)+1) ..randname
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end
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end
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--------------------------------------------------------------------------------
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function menu_render_worldlist()
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local retval = ""
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local current_worldlist = menudata.worldlist:get_list()
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for i,v in ipairs(current_worldlist) do
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if retval ~= "" then
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retval = retval ..","
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end
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retval = retval .. core.formspec_escape(v.name) ..
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" \\[" .. core.formspec_escape(v.gameid) .. "\\]"
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end
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return retval
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end
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--------------------------------------------------------------------------------
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function menu_handle_key_up_down(fields,textlist,settingname)
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if fields["key_up"] then
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local oldidx = core.get_textlist_index(textlist)
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if oldidx ~= nil and oldidx > 1 then
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local newidx = oldidx -1
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core.setting_set(settingname,
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menudata.worldlist:get_raw_index(newidx))
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end
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return true
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end
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if fields["key_down"] then
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local oldidx = core.get_textlist_index(textlist)
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if oldidx ~= nil and oldidx < menudata.worldlist:size() then
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local newidx = oldidx + 1
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core.setting_set(settingname,
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menudata.worldlist:get_raw_index(newidx))
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end
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return true
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end
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return false
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end
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--------------------------------------------------------------------------------
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function asyncOnlineFavourites()
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menudata.favorites = {}
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core.handle_async(
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function(param)
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return core.get_favorites("online")
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end,
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nil,
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function(result)
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if core.setting_getbool("public_serverlist") then
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menudata.favorites = order_favorite_list(result)
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core.event_handler("Refresh")
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end
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end
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)
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end
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--------------------------------------------------------------------------------
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function text2textlist(xpos,ypos,width,height,tl_name,textlen,text,transparency)
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local textlines = core.splittext(text,textlen)
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local retval = "textlist[" .. xpos .. "," .. ypos .. ";"
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.. width .. "," .. height .. ";"
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.. tl_name .. ";"
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for i=1, #textlines, 1 do
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textlines[i] = textlines[i]:gsub("\r","")
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retval = retval .. core.formspec_escape(textlines[i]) .. ","
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end
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retval = retval .. ";0;"
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if transparency then
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retval = retval .. "true"
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end
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retval = retval .. "]"
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return retval
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end
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--------------------------------------------------------------------------------
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function is_server_protocol_compat(proto_min, proto_max)
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return not ((min_supp_proto > (proto_max or 24)) or (max_supp_proto < (proto_min or 13)))
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end
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--------------------------------------------------------------------------------
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function is_server_protocol_compat_or_error(proto_min, proto_max)
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if not is_server_protocol_compat(proto_min, proto_max) then
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gamedata.errormessage = fgettext_ne("Protocol version mismatch, server " ..
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((proto_min ~= proto_max) and "supports protocols between $1 and $2" or "enforces protocol version $1") ..
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", we " ..
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((min_supp_proto ~= max_supp_proto) and "support protocols between version $3 and $4." or "only support protocol version $3"),
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proto_min or 13, proto_max or 24, min_supp_proto, max_supp_proto)
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return false
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end
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return true
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end
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