builtin/mainmenu/dlg_create_world.lua

   1 --Minetest
   2 --Copyright (C) 2014 sapier
   3 --
   4 --This program is free software; you can redistribute it and/or modify
   5 --it under the terms of the GNU Lesser General Public License as published by
   6 --the Free Software Foundation; either version 2.1 of the License, or
   7 --(at your option) any later version.
   8 --
   9 --This program is distributed in the hope that it will be useful,
  10 --but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 --MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 --GNU Lesser General Public License for more details.
  13 --
  14 --You should have received a copy of the GNU Lesser General Public License along
  15 --with this program; if not, write to the Free Software Foundation, Inc.,
  16 --51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17
  18 local function create_world_formspec(dialogdata)
  19         local mapgens = core.get_mapgen_names()
  20
  21         local current_seed = core.settings:get("fixed_map_seed") or ""
  22         local current_mg   = core.settings:get("mg_name")
  23
  24         local mglist = ""
  25         local selindex = 1
  26         local i = 1
  27         for k,v in pairs(mapgens) do
  28                 if current_mg == v then
  29                         selindex = i
  30                 end
  31                 i = i + 1
  32                 mglist = mglist .. v .. ","
  33         end
  34         mglist = mglist:sub(1, -2)
  35
  36         local gameid = core.settings:get("menu_last_game")
  37
  38         local game, gameidx = nil , 0
  39         if gameid ~= nil then
  40                 game, gameidx = gamemgr.find_by_gameid(gameid)
  41
  42                 if gameidx == nil then
  43                         gameidx = 0
  44                 end
  45         end
  46
  47         current_seed = core.formspec_escape(current_seed)
  48         local retval =
  49                 "size[11.5,6.5,true]" ..
  50                 "label[2,0;" .. fgettext("World name") .. "]"..
  51                 "field[4.5,0.4;6,0.5;te_world_name;;]" ..
  52
  53                 "label[2,1;" .. fgettext("Seed") .. "]"..
  54                 "field[4.5,1.4;6,0.5;te_seed;;".. current_seed .. "]" ..
  55
  56                 "label[2,2;" .. fgettext("Mapgen") .. "]"..
  57                 "dropdown[4.2,2;6.3;dd_mapgen;" .. mglist .. ";" .. selindex .. "]" ..
  58
  59                 "label[2,3;" .. fgettext("Game") .. "]"..
  60                 "textlist[4.2,3;5.8,2.3;games;" .. gamemgr.gamelist() ..
  61                 ";" .. gameidx .. ";true]" ..
  62
  63                 "button[3.25,6;2.5,0.5;world_create_confirm;" .. fgettext("Create") .. "]" ..
  64                 "button[5.75,6;2.5,0.5;world_create_cancel;" .. fgettext("Cancel") .. "]"
  65
  66         if #gamemgr.games == 0 then
  67                 retval = retval .. "box[2,4;8,1;#ff8800]label[2.25,4;" ..
  68                                 fgettext("You have no subgames installed.") .. "]label[2.25,4.4;" ..
  69                                 fgettext("Download one from minetest.net") .. "]"
  70         elseif #gamemgr.games == 1 and gamemgr.games[1].id == "minimal" then
  71                 retval = retval .. "box[1.75,4;8.7,1;#ff8800]label[2,4;" ..
  72                                 fgettext("Warning: The minimal development test is meant for developers.") .. "]label[2,4.4;" ..
  73                                 fgettext("Download a subgame, such as minetest_game, from minetest.net") .. "]"
  74         end
  75
  76         return retval
  77
  78 end
  79
  80 local function create_world_buttonhandler(this, fields)
  81
  82         if fields["world_create_confirm"] or
  83                 fields["key_enter"] then
  84
  85                 local worldname = fields["te_world_name"]
  86                 local gameindex = core.get_textlist_index("games")
  87
  88                 if gameindex ~= nil and
  89                         worldname ~= "" then
  90
  91                         local message = nil
  92
  93                         core.settings:set("fixed_map_seed", fields["te_seed"])
  94
  95                         if not menudata.worldlist:uid_exists_raw(worldname) then
  96                                 core.settings:set("mg_name",fields["dd_mapgen"])
  97                                 message = core.create_world(worldname,gameindex)
  98                         else
  99                                 message = fgettext("A world named \"$1\" already exists", worldname)
 100                         end
 101
 102                         if message ~= nil then
 103                                 gamedata.errormessage = message
 104                         else
 105                                 core.settings:set("menu_last_game",gamemgr.games[gameindex].id)
 106                                 if this.data.update_worldlist_filter then
 107                                         menudata.worldlist:set_filtercriteria(gamemgr.games[gameindex].id)
 108                                         mm_texture.update("singleplayer", gamemgr.games[gameindex].id)
 109                                 end
 110                                 menudata.worldlist:refresh()
 111                                 core.settings:set("mainmenu_last_selected_world",
 112                                                                         menudata.worldlist:raw_index_by_uid(worldname))
 113                         end
 114                 else
 115                         gamedata.errormessage =
 116                                 fgettext("No worldname given or no game selected")
 117                 end
 118                 this:delete()
 119                 return true
 120         end
 121
 122         if fields["games"] then
 123                 return true
 124         end
 125
 126         if fields["world_create_cancel"] then
 127                 this:delete()
 128                 return true
 129         end
 130
 131         return false
 132 end
 133
 134
 135 function create_create_world_dlg(update_worldlistfilter)
 136         local retval = dialog_create("sp_create_world",
 137                                         create_world_formspec,
 138                                         create_world_buttonhandler,
 139                                         nil)
 140         retval.update_worldlist_filter = update_worldlistfilter
 141
 142         return retval
 143 end