mirror of
https://github.com/minetest/minetest.git
synced 2024-12-23 06:32:23 +01:00
293 lines
8.9 KiB
Lua
293 lines
8.9 KiB
Lua
--Luanti
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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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-- Global menu data
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menudata = {}
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-- located in user cache path, for remembering this like e.g. last update check
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cache_settings = Settings(core.get_cache_path() .. DIR_DELIM .. "common.conf")
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--- Checks if the given key contains a timestamp less than a certain age.
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--- Pair this with a call to `cache_settings:set(key, tostring(os.time()))`
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--- after successfully refreshing the cache.
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--- @param key Name of entry in cache_settings
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--- @param max_age Age to check against, in seconds
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--- @return true if the max age is not reached
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function check_cache_age(key, max_age)
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local time_now = os.time()
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local time_checked = tonumber(cache_settings:get(key)) or 0
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return time_now - time_checked < max_age
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end
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function core.on_before_close()
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-- called before the menu is closed, either exit or to join a game
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cache_settings:write()
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end
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-- Local cached values
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local min_supp_proto, max_supp_proto
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function common_update_cached_supp_proto()
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min_supp_proto = core.get_min_supp_proto()
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max_supp_proto = core.get_max_supp_proto()
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end
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common_update_cached_supp_proto()
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-- Other global functions
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function core.sound_stop(handle, ...)
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return handle:stop(...)
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end
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function os.tmpname()
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error('do not use') -- instead: core.get_temp_path()
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end
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-- Menu helper functions
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local function render_client_count(n)
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if n > 999 then return '99+'
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elseif n >= 0 then return tostring(n)
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else return '?' end
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end
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local function configure_selected_world_params(idx)
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local worldconfig = pkgmgr.get_worldconfig(menudata.worldlist:get_list()[idx].path)
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if worldconfig.creative_mode then
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core.settings:set("creative_mode", worldconfig.creative_mode)
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end
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if worldconfig.enable_damage then
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core.settings:set("enable_damage", worldconfig.enable_damage)
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end
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end
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-- retrieved from https://wondernetwork.com/pings with (hopefully) representative cities
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-- Amsterdam, Auckland, Brasilia, Denver, Lagos, Singapore
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local latency_matrix = {
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["AF"] = { ["AS"]=258, ["EU"]=100, ["NA"]=218, ["OC"]=432, ["SA"]=308 },
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["AS"] = { ["EU"]=168, ["NA"]=215, ["OC"]=125, ["SA"]=366 },
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["EU"] = { ["NA"]=120, ["OC"]=298, ["SA"]=221 },
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["NA"] = { ["OC"]=202, ["SA"]=168 },
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["OC"] = { ["SA"]=411 },
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["SA"] = {}
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}
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function estimate_continent_latency(own, spec)
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local there = spec.geo_continent
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if not own or not there then
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return nil
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end
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if own == there then
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return 0
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end
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return latency_matrix[there][own] or latency_matrix[own][there]
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end
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function render_serverlist_row(spec)
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local text = ""
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if spec.name then
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text = text .. core.formspec_escape(spec.name:trim())
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elseif spec.address then
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text = text .. core.formspec_escape(spec.address:trim())
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if spec.port then
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text = text .. ":" .. spec.port
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end
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end
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local grey_out = not spec.is_compatible
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local details = {}
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if spec.lag or spec.ping then
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local lag = (spec.lag or 0) * 1000 + (spec.ping or 0) * 250
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if lag <= 125 then
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table.insert(details, "1")
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elseif lag <= 175 then
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table.insert(details, "2")
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elseif lag <= 250 then
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table.insert(details, "3")
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else
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table.insert(details, "4")
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end
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else
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table.insert(details, "0")
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end
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table.insert(details, ",")
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local color = (grey_out and "#aaaaaa") or ((spec.is_favorite and "#ddddaa") or "#ffffff")
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if spec.clients and (spec.clients_max or 0) > 0 then
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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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local clients_color
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if grey_out then clients_color = '#aaaaaa'
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elseif spec.clients == 0 then clients_color = '' -- 0 players: default/white
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elseif clients_percent <= 60 then clients_color = '#a1e587' -- 0-60%: green
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elseif clients_percent <= 90 then clients_color = '#ffdc97' -- 60-90%: yellow
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elseif clients_percent == 100 then clients_color = '#dd5b5b' -- full server: red (darker)
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else clients_color = '#ffba97' -- 90-100%: orange
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end
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table.insert(details, clients_color)
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table.insert(details, render_client_count(spec.clients) .. " / " ..
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render_client_count(spec.clients_max))
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else
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table.insert(details, color)
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table.insert(details, "?")
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end
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if spec.creative then
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table.insert(details, "1") -- creative icon
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else
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table.insert(details, "0")
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end
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if spec.pvp then
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table.insert(details, "2") -- pvp icon
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elseif spec.damage then
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table.insert(details, "1") -- heart icon
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else
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table.insert(details, "0")
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end
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table.insert(details, color)
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table.insert(details, text)
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return table.concat(details, ",")
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end
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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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retval[#retval+1] = core.formspec_escape(v.name)
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end
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return table.concat(retval, ",")
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end
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function menu_handle_key_up_down(fields, textlist, settingname)
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local oldidx, newidx = core.get_textlist_index(textlist), 1
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if fields.key_up or fields.key_down then
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if fields.key_up and oldidx and oldidx > 1 then
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newidx = oldidx - 1
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elseif fields.key_down and oldidx and
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oldidx < menudata.worldlist:size() then
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newidx = oldidx + 1
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end
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core.settings:set(settingname, menudata.worldlist:get_raw_index(newidx))
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configure_selected_world_params(newidx)
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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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function text2textlist(xpos, ypos, width, height, tl_name, textlen, text, transparency)
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local textlines = core.wrap_text(text, textlen, true)
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local retval = "textlist[" .. xpos .. "," .. ypos .. ";" .. width ..
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"," .. height .. ";" .. tl_name .. ";"
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for i = 1, #textlines 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 retval = retval .. "true" end
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retval = retval .. "]"
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return retval
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end
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function is_server_protocol_compat(server_proto_min, server_proto_max)
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if (not server_proto_min) or (not server_proto_max) then
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-- There is no info. Assume the best and act as if we would be compatible.
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return true
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end
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return min_supp_proto <= server_proto_max and max_supp_proto >= server_proto_min
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end
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function is_server_protocol_compat_or_error(server_proto_min, server_proto_max)
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if not is_server_protocol_compat(server_proto_min, server_proto_max) then
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local server_prot_ver_info, client_prot_ver_info
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local s_p_min = server_proto_min
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local s_p_max = server_proto_max
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if s_p_min ~= s_p_max then
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server_prot_ver_info = fgettext_ne("Server supports protocol versions between $1 and $2. ",
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s_p_min, s_p_max)
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else
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server_prot_ver_info = fgettext_ne("Server enforces protocol version $1. ",
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s_p_min)
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end
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if min_supp_proto ~= max_supp_proto then
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client_prot_ver_info= fgettext_ne("We support protocol versions between version $1 and $2.",
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min_supp_proto, max_supp_proto)
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else
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client_prot_ver_info = fgettext_ne("We only support protocol version $1.", min_supp_proto)
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end
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gamedata.errormessage = fgettext_ne("Protocol version mismatch. ")
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.. server_prot_ver_info
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.. client_prot_ver_info
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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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function menu_worldmt(selected, setting, value)
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local world = menudata.worldlist:get_list()[selected]
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if world then
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local filename = world.path .. DIR_DELIM .. "world.mt"
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local world_conf = Settings(filename)
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if value then
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if not world_conf:write() then
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core.log("error", "Failed to write world config file")
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end
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world_conf:set(setting, value)
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world_conf:write()
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else
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return world_conf:get(setting)
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end
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else
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return nil
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end
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end
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function menu_worldmt_legacy(selected)
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local modes_names = {"creative_mode", "enable_damage", "server_announce"}
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for _, mode_name in pairs(modes_names) do
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local mode_val = menu_worldmt(selected, mode_name)
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if mode_val then
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core.settings:set(mode_name, mode_val)
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else
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menu_worldmt(selected, mode_name, core.settings:get(mode_name))
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end
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end
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end
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function confirmation_formspec(message, confirm_id, confirm_label, cancel_id, cancel_label)
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return "size[10,2.5,true]" ..
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"label[0.5,0.5;" .. message .. "]" ..
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"style[" .. confirm_id .. ";bgcolor=red]" ..
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"button[0.5,1.5;2.5,0.5;" .. confirm_id .. ";" .. confirm_label .. "]" ..
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"button[7.0,1.5;2.5,0.5;" .. cancel_id .. ";" .. cancel_label .. "]"
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end
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