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 worldname = ""
  19
  20 local function create_world_formspec(dialogdata)
  21         local mapgens = core.get_mapgen_names()
  22
  23         local current_seed = core.settings:get("fixed_map_seed") or ""
  24         local current_mg   = core.settings:get("mg_name")
  25         local gameid = core.settings:get("menu_last_game")
  26
  27         local gameidx = 0
  28         if gameid ~= nil then
  29                 local _
  30                 _, gameidx = pkgmgr.find_by_gameid(gameid)
  31
  32                 if gameidx == nil then
  33                         gameidx = 0
  34                 end
  35         end
  36
  37         local game_by_gameidx = core.get_game(gameidx)
  38         if game_by_gameidx ~= nil then
  39                 local gamepath = game_by_gameidx.path
  40                 local gameconfig = Settings(gamepath.."/game.conf")
  41
  42                 local disallowed_mapgens = (gameconfig:get("disallowed_mapgens") or ""):split()
  43                 for key, value in pairs(disallowed_mapgens) do
  44                         disallowed_mapgens[key] = value:trim()
  45                 end
  46
  47                 if disallowed_mapgens then
  48                         for i = #mapgens, 1, -1 do
  49                                 if table.indexof(disallowed_mapgens, mapgens[i]) > 0 then
  50                                         table.remove(mapgens, i)
  51                                 end
  52                         end
  53                 end
  54         end
  55
  56         local mglist = ""
  57         local selindex = 1
  58         local i = 1
  59         for k,v in pairs(mapgens) do
  60                 if current_mg == v then
  61                         selindex = i
  62                 end
  63                 i = i + 1
  64                 mglist = mglist .. v .. ","
  65         end
  66         mglist = mglist:sub(1, -2)
  67
  68         current_seed = core.formspec_escape(current_seed)
  69         local retval =
  70                 "size[11.5,6.5,true]" ..
  71                 "label[2,0;" .. fgettext("World name") .. "]"..
  72                 "field[4.5,0.4;6,0.5;te_world_name;;" .. minetest.formspec_escape(worldname) .. "]" ..
  73
  74                 "label[2,1;" .. fgettext("Seed") .. "]"..
  75                 "field[4.5,1.4;6,0.5;te_seed;;".. current_seed .. "]" ..
  76
  77                 "label[2,2;" .. fgettext("Mapgen") .. "]"..
  78                 "dropdown[4.2,2;6.3;dd_mapgen;" .. mglist .. ";" .. selindex .. "]" ..
  79
  80                 "label[2,3;" .. fgettext("Game") .. "]"..
  81                 "textlist[4.2,3;5.8,2.3;games;" .. pkgmgr.gamelist() ..
  82                 ";" .. gameidx .. ";true]" ..
  83
  84                 "button[3.25,6;2.5,0.5;world_create_confirm;" .. fgettext("Create") .. "]" ..
  85                 "button[5.75,6;2.5,0.5;world_create_cancel;" .. fgettext("Cancel") .. "]"
  86
  87         if #pkgmgr.games == 0 then
  88                 retval = retval .. "box[2,4;8,1;#ff8800]label[2.25,4;" ..
  89                                 fgettext("You have no games installed.") .. "]label[2.25,4.4;" ..
  90                                 fgettext("Download one from minetest.net") .. "]"
  91         elseif #pkgmgr.games == 1 and pkgmgr.games[1].id == "minimal" then
  92                 retval = retval .. "box[1.75,4;8.7,1;#ff8800]label[2,4;" ..
  93                                 fgettext("Warning: The minimal development test is meant for developers.") .. "]label[2,4.4;" ..
  94                                 fgettext("Download a game, such as Minetest Game, from minetest.net") .. "]"
  95         end
  96
  97         return retval
  98
  99 end
 100
 101 local function create_world_buttonhandler(this, fields)
 102
 103         if fields["world_create_confirm"] or
 104                 fields["key_enter"] then
 105
 106                 local worldname = fields["te_world_name"]
 107                 local gameindex = core.get_textlist_index("games")
 108
 109                 if gameindex ~= nil then
 110                         if worldname == "" then
 111                                 local random_number = math.random(10000, 99999)
 112                                 local random_world_name = "Unnamed" .. random_number
 113                                 worldname = random_world_name
 114                         end
 115
 116                         core.settings:set("fixed_map_seed", fields["te_seed"])
 117
 118                         local message
 119                         if not menudata.worldlist:uid_exists_raw(worldname) then
 120                                 core.settings:set("mg_name",fields["dd_mapgen"])
 121                                 message = core.create_world(worldname,gameindex)
 122                         else
 123                                 message = fgettext("A world named \"$1\" already exists", worldname)
 124                         end
 125
 126                         if message ~= nil then
 127                                 gamedata.errormessage = message
 128                         else
 129                                 core.settings:set("menu_last_game",pkgmgr.games[gameindex].id)
 130                                 if this.data.update_worldlist_filter then
 131                                         menudata.worldlist:set_filtercriteria(pkgmgr.games[gameindex].id)
 132                                         mm_texture.update("singleplayer", pkgmgr.games[gameindex].id)
 133                                 end
 134                                 menudata.worldlist:refresh()
 135                                 core.settings:set("mainmenu_last_selected_world",
 136                                                                         menudata.worldlist:raw_index_by_uid(worldname))
 137                         end
 138                 else
 139                         gamedata.errormessage = fgettext("No game selected")
 140                 end
 141                 this:delete()
 142                 return true
 143         end
 144
 145         worldname = fields.te_world_name
 146
 147         if fields["games"] then
 148                 local gameindex = core.get_textlist_index("games")
 149                 core.settings:set("menu_last_game", pkgmgr.games[gameindex].id)
 150                 return true
 151         end
 152
 153         if fields["world_create_cancel"] then
 154                 this:delete()
 155                 return true
 156         end
 157
 158         return false
 159 end
 160
 161
 162 function create_create_world_dlg(update_worldlistfilter)
 163         worldname = ""
 164         local retval = dialog_create("sp_create_world",
 165                                         create_world_formspec,
 166                                         create_world_buttonhandler,
 167                                         nil)
 168         retval.update_worldlist_filter = update_worldlistfilter
 169
 170         return retval
 171 end