minetest/builtin/mainmenu/dlg_create_world.lua

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--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.
local function table_to_flags(ftable)
-- Convert e.g. { jungles = true, caves = false } to "jungles,nocaves"
local str = {}
for flag, is_set in pairs(ftable) do
str[#str + 1] = is_set and flag or ("no" .. flag)
end
return table.concat(str, ",")
end
-- Same as check_flag but returns a string
local function strflag(flags, flag)
return (flags[flag] == true) and "true" or "false"
end
local cb_caverns = { "caverns", fgettext("Caverns"),
fgettext("Very large caverns deep in the underground") }
local flag_checkboxes = {
v5 = {
cb_caverns,
},
v7 = {
cb_caverns,
{ "ridges", fgettext("Rivers"), fgettext("Sea level rivers") },
{ "mountains", fgettext("Mountains") },
{ "floatlands", fgettext("Floatlands (experimental)"),
fgettext("Floating landmasses in the sky") },
},
carpathian = {
cb_caverns,
{ "rivers", fgettext("Rivers"), fgettext("Sea level rivers") },
},
valleys = {
{ "altitude_chill", fgettext("Altitude chill"),
fgettext("Reduces heat with altitude") },
{ "altitude_dry", fgettext("Altitude dry"),
fgettext("Reduces humidity with altitude") },
{ "humid_rivers", fgettext("Humid rivers"),
fgettext("Increases humidity around rivers") },
{ "vary_river_depth", fgettext("Vary river depth"),
fgettext("Low humidity and high heat causes shallow or dry rivers") },
},
flat = {
cb_caverns,
{ "hills", fgettext("Hills") },
{ "lakes", fgettext("Lakes") },
},
fractal = {
{ "terrain", fgettext("Additional terrain"),
fgettext("Generate non-fractal terrain: Oceans and underground") },
},
v6 = {
{ "trees", fgettext("Trees and jungle grass") },
{ "flat", fgettext("Flat terrain") },
{ "mudflow", fgettext("Mud flow"), fgettext("Terrain surface erosion") },
-- Biome settings are in mgv6_biomes below
},
}
local mgv6_biomes = {
{
fgettext("Temperate, Desert, Jungle, Tundra, Taiga"),
{jungles = true, snowbiomes = true}
},
{
fgettext("Temperate, Desert, Jungle"),
{jungles = true, snowbiomes = false}
},
{
fgettext("Temperate, Desert"),
{jungles = false, snowbiomes = false}
},
}
local function create_world_formspec(dialogdata)
-- Point the player to ContentDB when no games are found
if #pkgmgr.games == 0 then
return "size[8,2.5,true]" ..
"style[label_button;border=false]" ..
"button[0.5,0.5;7,0.5;label_button;" ..
fgettext("You have no games installed.") .. "]" ..
"button[0.5,1.5;2.5,0.5;world_create_open_cdb;" .. fgettext("Install a game") .. "]" ..
"button[5.0,1.5;2.5,0.5;world_create_cancel;" .. fgettext("Cancel") .. "]"
end
local current_mg = dialogdata.mg
local mapgens = core.get_mapgen_names()
local flags = dialogdata.flags
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local game = pkgmgr.find_by_gameid(core.settings:get("menu_last_game"))
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if game == nil then
-- should never happen but just pick the first game
game = pkgmgr.games[1]
core.settings:set("menu_last_game", game.id)
end
local disallowed_mapgen_settings = {}
if game ~= nil then
local gameconfig = Settings(game.path.."/game.conf")
local allowed_mapgens = (gameconfig:get("allowed_mapgens") or ""):split()
for key, value in pairs(allowed_mapgens) do
allowed_mapgens[key] = value:trim()
end
local disallowed_mapgens = (gameconfig:get("disallowed_mapgens") or ""):split()
for key, value in pairs(disallowed_mapgens) do
disallowed_mapgens[key] = value:trim()
end
if #allowed_mapgens > 0 then
for i = #mapgens, 1, -1 do
if table.indexof(allowed_mapgens, mapgens[i]) == -1 then
table.remove(mapgens, i)
end
end
end
if #disallowed_mapgens > 0 then
for i = #mapgens, 1, -1 do
if table.indexof(disallowed_mapgens, mapgens[i]) > 0 then
table.remove(mapgens, i)
end
end
end
local ds = (gameconfig:get("disallowed_mapgen_settings") or ""):split()
for _, value in pairs(ds) do
disallowed_mapgen_settings[value:trim()] = true
end
end
local mglist = ""
local selindex
do -- build the list of mapgens
local i = 1
local first_mg
for k, v in pairs(mapgens) do
if not first_mg then
first_mg = v
end
if current_mg == v then
selindex = i
end
i = i + 1
mglist = mglist .. core.formspec_escape(v) .. ","
end
if not selindex then
selindex = 1
current_mg = first_mg
end
mglist = mglist:sub(1, -2)
end
-- The logic of the flag element IDs is as follows:
-- "flag_main_foo-bar-baz" controls dialogdata.flags["main"]["foo_bar_baz"]
-- see the buttonhandler for the implementation of this
local mg_main_flags = function(mapgen, y)
if mapgen == "singlenode" then
return "", y
end
if disallowed_mapgen_settings["mg_flags"] then
return "", y
end
local form = "checkbox[0," .. y .. ";flag_main_caves;" ..
fgettext("Caves") .. ";"..strflag(flags.main, "caves").."]"
y = y + 0.5
form = form .. "checkbox[0,"..y..";flag_main_dungeons;" ..
fgettext("Dungeons") .. ";"..strflag(flags.main, "dungeons").."]"
y = y + 0.5
local d_name = fgettext("Decorations")
local d_tt
if mapgen == "v6" then
d_tt = fgettext("Structures appearing on the terrain (no effect on trees and jungle grass created by v6)")
else
d_tt = fgettext("Structures appearing on the terrain, typically trees and plants")
end
form = form .. "checkbox[0,"..y..";flag_main_decorations;" ..
d_name .. ";" ..
strflag(flags.main, "decorations").."]" ..
"tooltip[flag_mg_decorations;" ..
d_tt ..
"]"
y = y + 0.5
form = form .. "tooltip[flag_main_caves;" ..
fgettext("Network of tunnels and caves")
.. "]"
return form, y
end
local mg_specific_flags = function(mapgen, y)
if not flag_checkboxes[mapgen] then
return "", y
end
if disallowed_mapgen_settings["mg"..mapgen.."_spflags"] then
return "", y
end
local form = ""
for _, tab in pairs(flag_checkboxes[mapgen]) do
local id = "flag_"..mapgen.."_"..tab[1]:gsub("_", "-")
form = form .. ("checkbox[0,%f;%s;%s;%s]"):
format(y, id, tab[2], strflag(flags[mapgen], tab[1]))
if tab[3] then
form = form .. "tooltip["..id..";"..tab[3].."]"
end
y = y + 0.5
end
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if mapgen ~= "v6" then
-- No special treatment
return form, y
end
-- Special treatment for v6 (add biome widgets)
-- Biome type (jungles, snowbiomes)
local biometype
if flags.v6.snowbiomes == true then
biometype = 1
elseif flags.v6.jungles == true then
biometype = 2
else
biometype = 3
end
y = y + 0.3
form = form .. "label[0,"..(y+0.1)..";" .. fgettext("Biomes") .. "]"
y = y + 0.6
form = form .. "dropdown[0,"..y..";6.3;mgv6_biomes;"
for b=1, #mgv6_biomes do
form = form .. mgv6_biomes[b][1]
if b < #mgv6_biomes then
form = form .. ","
end
end
form = form .. ";" .. biometype.. "]"
-- biomeblend
y = y + 0.55
form = form .. "checkbox[0,"..y..";flag_v6_biomeblend;" ..
fgettext("Biome blending") .. ";"..strflag(flags.v6, "biomeblend").."]" ..
"tooltip[flag_v6_biomeblend;" ..
fgettext("Smooth transition between biomes") .. "]"
return form, y
end
local y_start = 0.0
local y = y_start
local str_flags, str_spflags
local label_flags, label_spflags = "", ""
y = y + 0.3
str_flags, y = mg_main_flags(current_mg, y)
if str_flags ~= "" then
label_flags = "label[0,"..y_start..";" .. fgettext("Mapgen flags") .. "]"
y_start = y + 0.4
else
y_start = 0.0
end
y = y_start + 0.3
str_spflags = mg_specific_flags(current_mg, y)
if str_spflags ~= "" then
label_spflags = "label[0,"..y_start..";" .. fgettext("Mapgen-specific flags") .. "]"
end
local retval =
"size[12.25,7,true]" ..
-- Left side
"container[0,0]"..
"field[0.3,0.6;6,0.5;te_world_name;" ..
fgettext("World name") ..
";" .. core.formspec_escape(dialogdata.worldname) .. "]" ..
"set_focus[te_world_name;false]"
if not disallowed_mapgen_settings["seed"] then
retval = retval .. "field[0.3,1.7;6,0.5;te_seed;" ..
fgettext("Seed") ..
";".. core.formspec_escape(dialogdata.seed) .. "]"
end
retval = retval ..
"label[0,2;" .. fgettext("Mapgen") .. "]"..
"dropdown[0,2.5;6.3;dd_mapgen;" .. mglist .. ";" .. selindex .. "]"
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-- Warning if only devtest is installed
if #pkgmgr.games == 1 and pkgmgr.games[1].id == "devtest" then
retval = retval ..
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"container[0,3.5]" ..
"box[0,0;5.8,1.7;#ff8800]" ..
"textarea[0.4,0.1;6,1.8;;;"..
fgettext("Development Test is meant for developers.") .. "]" ..
"button[1,1;4,0.5;world_create_open_cdb;" .. fgettext("Install another game") .. "]" ..
"container_end[]"
end
retval = retval ..
"container_end[]" ..
-- Right side
"container[6.2,0]"..
label_flags .. str_flags ..
label_spflags .. str_spflags ..
"container_end[]"..
-- Menu buttons
"button[3.25,6.5;3,0.5;world_create_confirm;" .. fgettext("Create") .. "]" ..
"button[6.25,6.5;3,0.5;world_create_cancel;" .. fgettext("Cancel") .. "]"
return retval
end
local function create_world_buttonhandler(this, fields)
if fields["world_create_open_cdb"] then
local dlg = create_store_dlg("game")
dlg:set_parent(this.parent)
this:delete()
this.parent:hide()
dlg:show()
return true
end
if fields["world_create_confirm"] or
fields["key_enter"] then
local worldname = fields["te_world_name"]
local game, _ = pkgmgr.find_by_gameid(core.settings:get("menu_last_game"))
local message
if game == nil then
message = fgettext("No game selected")
end
if message == nil then
-- For unnamed worlds use the generated name 'world<number>',
-- where the number increments: it is set to 1 larger than the largest
-- generated name number found.
if worldname == "" then
local worldnum_max = 0
for _, world in ipairs(menudata.worldlist:get_list()) do
if world.name:match("^world%d+$") then
local worldnum = tonumber(world.name:sub(6))
worldnum_max = math.max(worldnum_max, worldnum)
end
end
worldname = "world" .. worldnum_max + 1
end
if menudata.worldlist:uid_exists_raw(worldname) then
message = fgettext("A world named \"$1\" already exists", worldname)
end
end
if message == nil then
this.data.seed = fields["te_seed"] or ""
this.data.mg = fields["dd_mapgen"]
-- actual names as used by engine
local settings = {
fixed_map_seed = this.data.seed,
mg_name = this.data.mg,
mg_flags = table_to_flags(this.data.flags.main),
mgv5_spflags = table_to_flags(this.data.flags.v5),
mgv6_spflags = table_to_flags(this.data.flags.v6),
mgv7_spflags = table_to_flags(this.data.flags.v7),
mgfractal_spflags = table_to_flags(this.data.flags.fractal),
mgcarpathian_spflags = table_to_flags(this.data.flags.carpathian),
mgvalleys_spflags = table_to_flags(this.data.flags.valleys),
mgflat_spflags = table_to_flags(this.data.flags.flat),
}
message = core.create_world(worldname, game.id, settings)
end
if message == nil then
core.settings:set("menu_last_game", game.id)
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menudata.worldlist:set_filtercriteria(game.id)
menudata.worldlist:refresh()
core.settings:set("mainmenu_last_selected_world",
menudata.worldlist:raw_index_by_uid(worldname))
end
gamedata.errormessage = message
this:delete()
return true
end
this.data.worldname = fields["te_world_name"]
this.data.seed = fields["te_seed"] or ""
if fields["games"] then
local gameindex = core.get_textlist_index("games")
core.settings:set("menu_last_game", pkgmgr.games[gameindex].id)
return true
end
for k,v in pairs(fields) do
local split = string.split(k, "_", nil, 3)
if split and split[1] == "flag" then
-- We replaced the underscore of flag names with a dash.
local flag = string.gsub(split[3], "-", "_")
local ftable = this.data.flags[split[2]]
assert(ftable)
ftable[flag] = v == "true"
return true
end
end
if fields["world_create_cancel"] then
this:delete()
return true
end
if fields["mgv6_biomes"] then
local entry = core.formspec_escape(fields["mgv6_biomes"])
for b=1, #mgv6_biomes do
if entry == mgv6_biomes[b][1] then
local ftable = this.data.flags.v6
ftable.jungles = mgv6_biomes[b][2].jungles
ftable.snowbiomes = mgv6_biomes[b][2].snowbiomes
return true
end
end
end
if fields["dd_mapgen"] then
this.data.mg = fields["dd_mapgen"]
return true
end
return false
end
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function create_create_world_dlg()
local retval = dialog_create("sp_create_world",
create_world_formspec,
create_world_buttonhandler,
nil)
retval.data = {
worldname = "",
-- settings the world is created with:
seed = core.settings:get("fixed_map_seed") or "",
mg = core.settings:get("mg_name"),
flags = {
main = core.settings:get_flags("mg_flags"),
v5 = core.settings:get_flags("mgv5_spflags"),
v6 = core.settings:get_flags("mgv6_spflags"),
v7 = core.settings:get_flags("mgv7_spflags"),
fractal = core.settings:get_flags("mgfractal_spflags"),
carpathian = core.settings:get_flags("mgcarpathian_spflags"),
valleys = core.settings:get_flags("mgvalleys_spflags"),
flat = core.settings:get_flags("mgflat_spflags"),
}
}
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return retval
end