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Add mapgen settings to world creation dialog (#9254)

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Wuzzy2 committed May 12, 2020
1 parent 9ba24f8 commit 7ec76e530db9c3ed093e6edeca156e9311a6378a
Showing with 310 additions and 22 deletions.
  1. +306 −22 builtin/mainmenu/dlg_create_world.lua
  2. +4 −0 doc/lua_api.txt
@@ -17,13 +17,110 @@

local worldname = ""

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"), "caverns",
fgettext("Very large caverns deep in the underground") }
local tt_sea_rivers = fgettext("Sea level rivers")

local flag_checkboxes = {
v5 = {
cb_caverns,
},
v7 = {
cb_caverns,
{ "ridges", fgettext("Rivers"), "ridges", tt_sea_rivers },
{ "mountains", fgettext("Mountains"), "mountains" },
{ "floatlands", fgettext("Floatlands (experimental)"), "floatlands",
fgettext("Floating landmasses in the sky") },
},
carpathian = {
cb_caverns,
{ "rivers", fgettext("Rivers"), "rivers", tt_sea_rivers },
},
valleys = {
{ "altitude-chill", fgettext("Altitude chill"), "altitude_chill",
fgettext("Reduces heat with altitude") },
{ "altitude-dry", fgettext("Altitude dry"), "altitude_dry",
fgettext("Reduces humidity with altitude") },
{ "humid-rivers", fgettext("Humid rivers"), "humid_rivers",
fgettext("Increases humidity around rivers") },
{ "vary-river-depth", fgettext("Vary river depth"), "vary_river_depth",
fgettext("Low humidity and high heat causes shallow or dry rivers") },
},
flat = {
{ "hills", fgettext("Hills"), "hills" },
{ "lakes", fgettext("Lakes"), "lakes" },
},
fractal = {
{ "terrain", fgettext("Additional terrain"), "terrain",
fgettext("Generate non-fractal terrain: Oceans and underground") },
},
v6 = {
{ "trees", fgettext("Trees and jungle grass"), "trees" },
{ "flat", fgettext("Flat terrain"), "flat" },
{ "mudflow", fgettext("Mud flow"), "mudflow",
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)

-- Error out when no games found
if #pkgmgr.games == 0 then
return "size[12.25,3,true]" ..
"box[0,0;12,2;#ff8800]" ..
"textarea[0.3,0;11.7,2;;;"..
fgettext("You have no games installed.") .. "\n" ..
fgettext("Download one from minetest.net") .. "]" ..
"button[4.75,2.5;3,0.5;world_create_cancel;" .. fgettext("Cancel") .. "]"
end

local mapgens = core.get_mapgen_names()

local current_seed = core.settings:get("fixed_map_seed") or ""
local current_mg = core.settings:get("mg_name")
local gameid = core.settings:get("menu_last_game")

local 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"),
}

local gameidx = 0
if gameid ~= nil then
local _
@@ -35,6 +132,7 @@ local function create_world_formspec(dialogdata)
end

local game_by_gameidx = core.get_game(gameidx)
local disallowed_mapgen_settings = {}
if game_by_gameidx ~= nil then
local gamepath = game_by_gameidx.path
local gameconfig = Settings(gamepath.."/game.conf")
@@ -64,49 +162,193 @@ local function create_world_formspec(dialogdata)
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 = 1
local selindex
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 .. v .. ","
end
if not selindex then
selindex = 1
current_mg = first_mg
end
mglist = mglist:sub(1, -2)

current_seed = core.formspec_escape(current_seed)
local retval =
"size[11.5,6.5,true]" ..
"label[2,0;" .. fgettext("World name") .. "]"..
"field[4.5,0.4;6,0.5;te_world_name;;" .. minetest.formspec_escape(worldname) .. "]" ..
local mg_main_flags = function(mapgen, y)
if mapgen == "singlenode" then
return "", y
end
if disallowed_mapgen_settings["mg_flags"] then
return "", y
end

"label[2,1;" .. fgettext("Seed") .. "]"..
"field[4.5,1.4;6,0.5;te_seed;;".. current_seed .. "]" ..
local form = "checkbox[0," .. y .. ";flag_mg_caves;" ..
fgettext("Caves") .. ";"..strflag(flags.main, "caves").."]"
y = y + 0.5

"label[2,2;" .. fgettext("Mapgen") .. "]"..
"dropdown[4.2,2;6.3;dd_mapgen;" .. mglist .. ";" .. selindex .. "]" ..
form = form .. "checkbox[0,"..y..";flag_mg_dungeons;" ..
fgettext("Dungeons") .. ";"..strflag(flags.main, "dungeons").."]"
y = y + 0.5

"label[2,3;" .. fgettext("Game") .. "]"..
"textlist[4.2,3;5.8,2.3;games;" .. pkgmgr.gamelist() ..
";" .. gameidx .. ";true]" ..
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_mg_decorations;" ..
d_name .. ";" ..
strflag(flags.main, "decorations").."]" ..
"tooltip[flag_mg_decorations;" ..
d_tt ..
"]"
y = y + 0.5

form = form .. "tooltip[flag_mg_caves;" ..
fgettext("Network of tunnels and caves")
.. "]"
return form, y
end

"button[3.25,6;2.5,0.5;world_create_confirm;" .. fgettext("Create") .. "]" ..
"button[5.75,6;2.5,0.5;world_create_cancel;" .. fgettext("Cancel") .. "]"
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_mg"..mapgen.."_"..tab[1]
form = form .. ("checkbox[0,%f;%s;%s;%s]"):
format(y, id, tab[2], strflag(flags[mapgen], tab[3]))

if tab[4] then
form = form .. "tooltip["..id..";"..tab[4].."]"
end
y = y + 0.5
end

if #pkgmgr.games == 0 then
retval = retval .. "box[2,4;8,1;#ff8800]label[2.25,4;" ..
fgettext("You have no games installed.") .. "]label[2.25,4.4;" ..
fgettext("Download one from minetest.net") .. "]"
elseif #pkgmgr.games == 1 and pkgmgr.games[1].id == "minimal" then
retval = retval .. "box[1.75,4;8.7,1;#ff8800]label[2,4;" ..
fgettext("Warning: The minimal development test is meant for developers.") .. "]label[2,4.4;" ..
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_mgv6_biomeblend;" ..
fgettext("Biome blending") .. ";"..strflag(flags.v6, "biomeblend").."]" ..
"tooltip[flag_mgv6_biomeblend;" ..
fgettext("Smooth transition between biomes") .. "]"

return form, y
end

current_seed = core.formspec_escape(current_seed)

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

-- Warning if only minimal is installed
local minimal_only = ""
local gamelist_height = 2.3
if #pkgmgr.games == 1 and pkgmgr.games[1].id == "minimal" then
minimal_only = "box[0,0;5.8,1.7;#ff8800]" ..
"textarea[0.3,0;6,1.8;;;"..
fgettext("Warning: The minimal development test is meant for developers.") .. "\n" ..
fgettext("Download a game, such as Minetest Game, from minetest.net") .. "]"
gamelist_height = 0.5
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(worldname) .. "]" ..

"field[0.3,1.7;6,0.5;te_seed;" ..
fgettext("Seed") ..
";".. current_seed .. "]" ..

"label[0,2;" .. fgettext("Mapgen") .. "]"..
"dropdown[0,2.5;6.3;dd_mapgen;" .. mglist .. ";" .. selindex .. "]" ..

"label[0,3.35;" .. fgettext("Game") .. "]"..
"textlist[0,3.85;5.8,"..gamelist_height..";games;" ..
pkgmgr.gamelist() .. ";" .. gameidx .. ";false]" ..
"container[0,4.5]" ..
minimal_only ..
"container_end[]" ..
"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
@@ -163,11 +405,53 @@ local function create_world_buttonhandler(this, fields)
return true
end

for k,v in pairs(fields) do
local split = string.split(k, "_", nil, 3)
if split and split[1] == "flag" then
local setting
if split[2] == "mg" then
setting = "mg_flags"
else
setting = split[2].."_spflags"
end
-- We replaced the underscore of flag names with a dash.
local flag = string.gsub(split[3], "-", "_")
local ftable = core.settings:get_flags(setting)
if v == "true" then
ftable[flag] = true
else
ftable[flag] = false
end
local flags = table_to_flags(ftable)
core.settings:set(setting, flags)
return true
end
end

if fields["world_create_cancel"] then
this:delete()
return true
end

if fields["mgv6_biomes"] then
local entry = minetest.formspec_escape(fields["mgv6_biomes"])
for b=1, #mgv6_biomes do
if entry == mgv6_biomes[b][1] then
local ftable = core.settings:get_flags("mgv6_spflags")
ftable.jungles = mgv6_biomes[b][2].jungles
ftable.snowbiomes = mgv6_biomes[b][2].snowbiomes
local flags = table_to_flags(ftable)
core.settings:set("mgv6_spflags", flags)
return true
end
end
end

if fields["dd_mapgen"] then
core.settings:set("mg_name", fields["dd_mapgen"])
return true
end

return false
end

@@ -75,6 +75,10 @@ The game directory can contain the following files:
When both `allowed_mapgens` and `disallowed_mapgens` are
specified, `allowed_mapgens` is applied before
`disallowed_mapgens`.
* `disallowed_mapgen_settings= <comma-separated mapgen settings>`
e.g. `disallowed_mapgen_settings = mgv5_spflags`
These settings are hidden for this game in the world creation
dialog and game start menu.
* `minetest.conf`:
Used to set default settings when running this game.
* `settingtypes.txt`:

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