config/init.lua

240 lines
6.3 KiB
Lua

--------------------------------------------------------
-- Minetest :: Configuration Panel Mod (config)
--
-- See README.txt for licensing and other information.
-- Copyright (c) 2016-2020, Leslie E. Krause
--
-- ./games/minetest_game/mods/config/init.lua
--------------------------------------------------------
local world_path = minetest.get_worldpath( )
local configured_mods = { }
---------------------
-- Private Methods --
---------------------
local function import( config, filename )
local func = loadfile( filename )
if func then
setfenv( func, config )
local status = pcall( func )
if not status then
error( "Syntax error in configuration file: " .. filename )
end
return true
end
return false
end
local function load_world_config( mod_name )
local file = io.open( world_path .. "/config/" .. mod_name .. ".lua", "r" )
if not file then return nil end
local data = file:read( "*all" )
file:close( )
return data
end
local function load_game_config( mod_name )
local file = io.open( minetest.get_modpath( mod_name ) .. "/config.lua", "r" )
if not file then return nil end
local data = file:read( "*all" )
file:close( )
return data
end
local function save_world_config( mod_name, data )
local file = io.open( world_path .. "/config/" .. mod_name .. ".lua", "w" )
if not file then return false end
file:write( data )
file:close( )
return true
end
local function save_game_config( mod_name, data )
local file = io.open( minetest.get_modpath( mod_name ) .. "/config.lua", "w" )
if not file then return false end
file:write( data )
file:close( )
return true
end
local function create_world_config( mod_name )
local file = io.open( world_path .. "/config/" .. mod_name .. ".lua", "w" )
if not file then return false end
file:close( )
return true
end
local function create_game_config( mod_name )
local file = io.open( minetest.get_modpath( mod_name ) .. "/config.lua", "w" )
if not file then return false end
file:close( )
return true
end
local function delete_world_config( mod_name )
return os.remove( world_path .. "/config/" .. mod_name .. ".lua" ) ~= nil
end
local function delete_game_config( mod_name )
return os.remove( minetest.get_modpath( mod_name ) .. "/config.lua" ) ~= nil
end
local function open_config_editor( player_name, mod_name )
local origin_idx
local content
local delete_config, create_config, load_config, save_config
local function reset_origin_map( idx )
origin_idx = idx
if origin_idx == 1 then
delete_config = delete_game_config
create_config = create_game_config
load_config = load_game_config
save_config = save_game_config
else
delete_config = delete_world_config
create_config = create_world_config
load_config = load_world_config
save_config = save_world_config
end
end
local function get_formspec( )
local formspec =
"size[10.0,8.5]" ..
default.gui_bg ..
default.gui_bg_img ..
string.format( "label[0.0,0.1;Configuration for mod '%s']", mod_name ) ..
"label[2.2,8.0;Origin:]" ..
string.format( "dropdown[3.1,7.9;2.6,1.0;origin;Game Config,World Config;%d;true]", origin_idx )
if not content then
formspec = formspec ..
"box[0.0,0.8;9.8.0,6.6;#222222]" ..
"label[4.0,3.8;File does not exist.]" ..
"button_exit[0.0,7.8;2.0,1.0;close;Close]" ..
"button[8.0,7.8;2.0,1.0;create;Create]"
else
formspec = formspec ..
"textarea[0.3,0.8;10.0,7.6;content;;" .. minetest.formspec_escape( content ) .. "]" ..
"button_exit[0.0,7.8;2.0,1.0;close;Close]" ..
"button[6.0,7.8;2.0,1.0;delete;Delete]" ..
"button[8.0,7.8;2.0,1.0;save;Save]"
end
return formspec
end
local function on_close( state, player, fields )
if fields.quit then return end -- short-circuit on form closure
if fields.save then
content = fields.content
save_config( mod_name, content )
elseif fields.load then
content = load_config( mod_name )
minetest.update_form( player_name, get_formspec ( ) )
elseif fields.delete then
if not delete_config( mod_name ) then
minetest.destroy_form( player_name )
minetest.chat_send_player( player_name, "Unable to delete configuration file." )
end
content = nil
minetest.update_form( player_name, get_formspec ( ) )
elseif fields.create then
if not create_config( mod_name ) then
minetest.destroy_form( player_name )
minetest.chat_send_player( player_name, "Unable to create configuration file." )
end
content = ""
minetest.update_form( player_name, get_formspec ( ) )
elseif fields.origin then
reset_origin_map( fields.origin )
content = load_config( mod_name )
minetest.update_form( player_name, get_formspec ( ) )
end
end
reset_origin_map( 1 )
content = load_config( mod_name )
minetest.create_form( nil, player_name, get_formspec( ), on_close )
end
--------------------
-- Public Methods --
--------------------
minetest.load_config = function ( base_config, options )
local name = minetest.get_current_modname( )
local path = minetest.get_modpath( name )
local config = { } or base_config
local status
if not options then options = { } end
config.core = {
MOD_NAME = name,
MOD_PATH = path,
WORLD_PATH = world_path,
sprintf = string.format,
date = os.date,
time = os.time,
}
if options.can_override then
status = import( config, path .. "/config.lua" )
status = import( config, world_path .. "/config/" .. name .. ".lua" ) or status
else
status = import( config, path .. "/config.lua" ) or import( config, world_path .. "/config/" .. name .. ".lua" )
end
if not status then
minetest.log( "warning", "Missing configuration file for mod \"" .. name .. "\"" )
end
configured_mods[ name ] = {
base_config = base_config,
can_refresh = options.can_refresh,
can_override = options.can_override,
}
config.core = nil
return config
end
------------------------------
-- Registered Chat Commands --
------------------------------
minetest.register_chatcommand( "config", {
description = "View and edit the configuration for a given mod.",
privs = { server = true },
func = function( player_name, param )
if not string.match( param, "^[a-zA-Z0-9_]+$" ) then
return false, "Invalid mod name."
elseif not configured_mods[ param ] then
return false, "Configuration not available."
end
open_config_editor( player_name, param )
end
} )