summaryrefslogtreecommitdiff
path: root/builtin/mainmenu/common.lua
blob: 8db8bb8d17f19c0515d980c71da83c1efc2b7c87 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
--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