mirror of
https://github.com/minetest/minetest.git
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253 lines
7.0 KiB
Lua
253 lines
7.0 KiB
Lua
--Minetest
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--Copyright (C) 2015 PilzAdam
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--
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--This program is free software; you can redistribute it and/or modify
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--it under the terms of the GNU Lesser General Public License as published by
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--the Free Software Foundation; either version 2.1 of the License, or
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--(at your option) any later version.
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--
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--This program is distributed in the hope that it will be useful,
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--but WITHOUT ANY WARRANTY; without even the implied warranty of
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--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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--GNU Lesser General Public License for more details.
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--
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--You should have received a copy of the GNU Lesser General Public License along
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--with this program; if not, write to the Free Software Foundation, Inc.,
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--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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local checkboxes = {}
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local function flags_to_table(flags)
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return flags:gsub("%s+", ""):split(",", true) -- Remove all spaces and split
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end
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local function get_current_np_group(setting)
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local value = core.settings:get_np_group(setting.name)
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if value == nil then
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return setting.values
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end
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local p = "%g"
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return {
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p:format(value.offset),
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p:format(value.scale),
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p:format(value.spread.x),
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p:format(value.spread.y),
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p:format(value.spread.z),
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p:format(value.seed),
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p:format(value.octaves),
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p:format(value.persistence),
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p:format(value.lacunarity),
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value.flags
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}
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end
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local function get_formspec(dialogdata)
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local setting = dialogdata.setting
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-- Final formspec will be created at the end of this function
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-- Default values below, may be changed depending on setting type
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local width = 10
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local height = 2
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local description_height = 1.5
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local t = get_current_np_group(setting)
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local dimension = 3
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if setting.type == "noise_params_2d" then
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dimension = 2
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end
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local fields = {}
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local function add_field(x, name, label, value)
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fields[#fields + 1] = ("field[%f,%f;3.3,1;%s;%s;%s]"):format(
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x, height, name, label, core.formspec_escape(value or "")
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)
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end
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-- First row
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height = height + 0.3
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add_field(0.3, "te_offset", fgettext("Offset"), t[1])
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add_field(3.6, "te_scale", fgettext("Scale"), t[2])
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add_field(6.9, "te_seed", fgettext("Seed"), t[6])
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height = height + 1.1
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-- Second row
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add_field(0.3, "te_spreadx", fgettext("X spread"), t[3])
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if dimension == 3 then
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add_field(3.6, "te_spready", fgettext("Y spread"), t[4])
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else
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fields[#fields + 1] = "label[4," .. height - 0.2 .. ";" ..
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fgettext("2D Noise") .. "]"
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end
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add_field(6.9, "te_spreadz", fgettext("Z spread"), t[5])
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height = height + 1.1
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-- Third row
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add_field(0.3, "te_octaves", fgettext("Octaves"), t[7])
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add_field(3.6, "te_persist", fgettext("Persistence"), t[8])
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add_field(6.9, "te_lacun", fgettext("Lacunarity"), t[9])
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height = height + 1.1
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local enabled_flags = flags_to_table(t[10])
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local flags = {}
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for _, name in ipairs(enabled_flags) do
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-- Index by name, to avoid iterating over all enabled_flags for every possible flag.
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flags[name] = true
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end
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for _, name in ipairs(setting.flags) do
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local checkbox_name = "cb_" .. name
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local is_enabled = flags[name] == true -- to get false if nil
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checkboxes[checkbox_name] = is_enabled
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end
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local formspec = table.concat(fields)
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.. "checkbox[0.5," .. height - 0.6 .. ";cb_defaults;"
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--[[~ "defaults" is a noise parameter flag.
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It describes the default processing options
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for noise settings in the settings menu. ]]
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.. fgettext("defaults") .. ";" -- defaults
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.. tostring(flags["defaults"] == true) .. "]" -- to get false if nil
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.. "checkbox[5," .. height - 0.6 .. ";cb_eased;"
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--[[~ "eased" is a noise parameter flag.
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It is used to make the map smoother and
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can be enabled in noise settings in
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the settings menu. ]]
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.. fgettext("eased") .. ";" -- eased
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.. tostring(flags["eased"] == true) .. "]"
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.. "checkbox[5," .. height - 0.15 .. ";cb_absvalue;"
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--[[~ "absvalue" is a noise parameter flag.
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It is short for "absolute value".
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It can be enabled in noise settings in
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the settings menu. ]]
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.. fgettext("absvalue") .. ";" -- absvalue
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.. tostring(flags["absvalue"] == true) .. "]"
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height = height + 1
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-- Box good, textarea bad. Calculate textarea size from box.
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local function create_textfield(size, label, text, bg_color)
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local textarea = {
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x = size.x + 0.3,
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y = size.y,
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w = size.w + 0.25,
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h = size.h * 1.16 + 0.12
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}
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return ("box[%f,%f;%f,%f;%s]textarea[%f,%f;%f,%f;;%s;%s]"):format(
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size.x, size.y, size.w, size.h, bg_color or "#000",
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textarea.x, textarea.y, textarea.w, textarea.h,
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core.formspec_escape(label), core.formspec_escape(text)
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)
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end
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-- When there's an error: Shrink description textarea and add error below
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if dialogdata.error_message then
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local error_box = {
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x = 0,
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y = description_height - 0.4,
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w = width - 0.25,
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h = 0.5
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}
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formspec = formspec ..
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create_textfield(error_box, "", dialogdata.error_message, "#600")
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description_height = description_height - 0.75
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end
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-- Get description field
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local description_box = {
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x = 0,
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y = 0.2,
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w = width - 0.25,
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h = description_height
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}
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local setting_name = setting.name
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if setting.readable_name then
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setting_name = fgettext_ne(setting.readable_name) ..
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" (" .. setting.name .. ")"
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end
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local comment_text
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if setting.comment == "" then
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comment_text = fgettext_ne("(No description of setting given)")
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else
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comment_text = fgettext_ne(setting.comment)
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end
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return (
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"size[" .. width .. "," .. height + 0.25 .. ",true]" ..
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create_textfield(description_box, setting_name, comment_text) ..
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formspec ..
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"button[" .. width / 2 - 2.5 .. "," .. height - 0.4 .. ";2.5,1;btn_done;" ..
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fgettext("Save") .. "]" ..
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"button[" .. width / 2 .. "," .. height - 0.4 .. ";2.5,1;btn_cancel;" ..
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fgettext("Cancel") .. "]"
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)
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end
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local function buttonhandler(this, fields)
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local setting = this.data.setting
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if fields["btn_done"] or fields["key_enter"] then
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local np_flags = {}
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for _, name in ipairs(setting.flags) do
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if checkboxes["cb_" .. name] then
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table.insert(np_flags, name)
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end
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end
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checkboxes = {}
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if setting.type == "noise_params_2d" then
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fields["te_spready"] = fields["te_spreadz"]
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end
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local new_value = {
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offset = fields["te_offset"],
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scale = fields["te_scale"],
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spread = {
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x = fields["te_spreadx"],
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y = fields["te_spready"],
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z = fields["te_spreadz"]
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},
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seed = fields["te_seed"],
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octaves = fields["te_octaves"],
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persistence = fields["te_persist"],
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lacunarity = fields["te_lacun"],
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flags = table.concat(np_flags, ", ")
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}
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core.settings:set_np_group(setting.name, new_value)
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core.settings:write()
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this:delete()
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return true
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end
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if fields["btn_cancel"] then
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this:delete()
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return true
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end
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for name, value in pairs(fields) do
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if name:sub(1, 3) == "cb_" then
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checkboxes[name] = core.is_yes(value)
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return false -- Don't update the formspec!
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end
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end
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return false
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end
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function create_change_mapgen_flags_dlg(setting)
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assert(type(setting) == "table")
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local retval = dialog_create("dlg_change_mapgen_flags",
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get_formspec,
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buttonhandler,
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nil)
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retval.data.setting = setting
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return retval
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end
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