Fix menu_lua_api.txt formatting (#12971)

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@ -4,99 +4,100 @@ Minetest Lua Mainmenu API Reference 5.7.0
Introduction Introduction
------------- -------------
The main menu is defined as a formspec by Lua in builtin/mainmenu/ The main menu is defined as a formspec by Lua in `builtin/mainmenu/`
Description of formspec language to show your menu is in lua_api.txt Description of formspec language to show your menu is in `lua_api.txt`
Callbacks Callbacks
--------- ---------
core.button_handler(fields): called when a button is pressed. * `core.button_handler(fields)`: called when a button is pressed.
^ fields = {name1 = value1, name2 = value2, ...} * `fields` = `{name1 = value1, name2 = value2, ...}`
core.event_handler(event) * `core.event_handler(event)`
^ event: "MenuQuit", "KeyEnter", "ExitButton" or "EditBoxEnter" * `event`: `"MenuQuit"`, `"KeyEnter"`, `"ExitButton"` or `"EditBoxEnter"`
Gamedata Gamedata
-------- --------
The "gamedata" table is read when calling core.start(). It should contain: The "gamedata" table is read when calling `core.start()`. It should contain:
{
playername = <name>, {
password = <password>, playername = <name>,
address = <IP/address>, password = <password>,
port = <port>, address = <IP/address>,
selected_world = <index>, -- 0 for client mode port = <port>,
singleplayer = <true/false>, selected_world = <index>, -- 0 for client mode
} singleplayer = <true/false>,
}
Functions Functions
--------- ---------
core.start() * `core.start()`
core.close() * `core.close()`
core.get_min_supp_proto() * `core.get_min_supp_proto()`
^ returns the minimum supported network protocol version * returns the minimum supported network protocol version
core.get_max_supp_proto() * `core.get_max_supp_proto()`
^ returns the maximum supported network protocol version * returns the maximum supported network protocol version
core.open_url(url) * `core.open_url(url)`
^ opens the URL in a web browser, returns false on failure. * opens the URL in a web browser, returns false on failure.
^ Must begin with http:// or https:// * Must begin with http:// or https://
core.open_dir(path) * `core.open_dir(path)`
^ opens the path in the system file browser/explorer, returns false on failure. * opens the path in the system file browser/explorer, returns false on failure.
^ Must be an existing directory. * Must be an existing directory.
core.share_file(path) * `core.share_file(path)`
^ Android only. Shares file using the share popup * Android only. Shares file using the share popup
core.get_version() (possible in async calls) * `core.get_version()` (possible in async calls)
^ returns current core version * returns current core version
Filesystem Filesystem
---------- ----------
core.get_builtin_path() * `core.get_builtin_path()`
^ returns path to builtin root * returns path to builtin root
core.create_dir(absolute_path) (possible in async calls) * `core.create_dir(absolute_path)` (possible in async calls)
^ absolute_path to directory to create (needs to be absolute) * `absolute_path` to directory to create (needs to be absolute)
^ returns true/false * returns true/false
core.delete_dir(absolute_path) (possible in async calls) * `core.delete_dir(absolute_path)` (possible in async calls)
^ absolute_path to directory to delete (needs to be absolute) * `absolute_path` to directory to delete (needs to be absolute)
^ returns true/false * returns true/false
core.copy_dir(source,destination,keep_source) (possible in async calls) * `core.copy_dir(source,destination,keep_source)` (possible in async calls)
^ source folder * `source` folder
^ destination folder * `destination` folder
^ keep_source DEFAULT true --> if set to false source is deleted after copying * `keep_source` DEFAULT true --> if set to false `source` is deleted after copying
^ returns true/false * returns true/false
core.is_dir(path) (possible in async calls) * `core.is_dir(path)` (possible in async calls)
^ returns true if path is a valid dir * returns true if `path` is a valid dir
core.extract_zip(zipfile,destination) [unzip within path required] * `core.extract_zip(zipfile,destination)` [unzip within path required]
^ zipfile to extract * `zipfile` to extract
^ destination folder to extract to * `destination` folder to extract to
^ returns true/false * returns true/false
core.sound_play(spec, looped) -> handle * `core.sound_play(spec, looped)` -> handle
^ spec = SimpleSoundSpec (see lua_api.txt) * `spec` = `SimpleSoundSpec` (see `lua_api.txt`)
^ looped = bool * `looped` = bool
core.sound_stop(handle) * `core.sound_stop(handle)`
core.get_video_drivers() * `core.get_video_drivers()`
^ get list of video drivers supported by engine (not all modes are guaranteed to work) * get list of video drivers supported by engine (not all modes are guaranteed to work)
^ returns list of available video drivers' settings name and 'friendly' display name * returns list of available video drivers' settings name and 'friendly' display name
^ e.g. { {name="opengl", friendly_name="OpenGL"}, {name="software", friendly_name="Software Renderer"} } e.g. `{ {name="opengl", friendly_name="OpenGL"}, {name="software", friendly_name="Software Renderer"} }`
^ first element of returned list is guaranteed to be the NULL driver * first element of returned list is guaranteed to be the NULL driver
core.get_mapgen_names([include_hidden=false]) -> table of map generator algorithms * `core.get_mapgen_names([include_hidden=false])` -> table of map generator algorithms
registered in the core (possible in async calls) registered in the core (possible in async calls)
core.get_cache_path() -> path of cache * `core.get_cache_path()` -> path of cache
core.get_temp_path([param]) (possible in async calls) * `core.get_temp_path([param])` (possible in async calls)
^ param=true: returns path to a temporary file * `param`=true: returns path to a temporary file
^ otherwise: returns path to the temporary folder otherwise: returns path to the temporary folder
HTTP Requests HTTP Requests
------------- -------------
* core.download_file(url, target) (possible in async calls) * `core.download_file(url, target)` (possible in async calls)
* url to download, and target to store to * `url` to download, and `target` to store to
* returns true/false * returns true/false
* `minetest.get_http_api()` (possible in async calls) * `minetest.get_http_api()` (possible in async calls)
* returns `HTTPApiTable` containing http functions. * returns `HTTPApiTable` containing http functions.
@ -108,7 +109,7 @@ HTTP Requests
* `HTTPApiTable.fetch_async(HTTPRequest req)`: returns handle * `HTTPApiTable.fetch_async(HTTPRequest req)`: returns handle
* Performs given request asynchronously and returns handle for * Performs given request asynchronously and returns handle for
`HTTPApiTable.fetch_async_get` `HTTPApiTable.fetch_async_get`
* `HTTPApiTable.fetch_async_get(handle)`: returns HTTPRequestResult * `HTTPApiTable.fetch_async_get(handle)`: returns `HTTPRequestResult`
* Return response data for given asynchronous HTTP request * Return response data for given asynchronous HTTP request
### `HTTPRequest` definition ### `HTTPRequest` definition
@ -167,50 +168,52 @@ Passed to `HTTPApiTable.fetch` callback. Returned by
Formspec Formspec
-------- --------
core.update_formspec(formspec) * `core.update_formspec(formspec)`
core.get_table_index(tablename) -> index * `core.get_table_index(tablename)` -> index
^ can also handle textlists * can also handle textlists
core.formspec_escape(string) -> string * `core.formspec_escape(string)` -> string
^ escapes characters [ ] \ , ; that cannot be used in formspecs * escapes characters [ ] \ , ; that cannot be used in formspecs
core.explode_table_event(string) -> table * `core.explode_table_event(string)` -> table
^ returns e.g. {type="CHG", row=1, column=2} * returns e.g. `{type="CHG", row=1, column=2}`
^ type: "INV" (no row selected), "CHG" (selected) or "DCL" (double-click) * `type`: "INV" (no row selected), "CHG" (selected) or "DCL" (double-click)
core.explode_textlist_event(string) -> table * `core.explode_textlist_event(string)` -> table
^ returns e.g. {type="CHG", index=1} * returns e.g. `{type="CHG", index=1}`
^ type: "INV" (no row selected), "CHG" (selected) or "DCL" (double-click) * `type`: "INV" (no row selected), "CHG" (selected) or "DCL" (double-click)
core.set_formspec_prepend(formspec) * `core.set_formspec_prepend(formspec)`
^ string to be added to every mainmenu formspec, to be used for theming. * `formspec`: string to be added to every mainmenu formspec, to be used for theming.
GUI GUI
--- ---
core.set_background(type, texturepath,[tile],[minsize]) * `core.set_background(type,texturepath,[tile],[minsize])`
^ type: "background", "overlay", "header" or "footer" * `type`: "background", "overlay", "header" or "footer"
^ tile: tile the image instead of scaling (background only) * `tile`: tile the image instead of scaling (background only)
^ minsize: minimum tile size, images are scaled to at least this size prior * `minsize`: minimum tile size, images are scaled to at least this size prior
^ doing tiling (background only) doing tiling (background only)
core.set_clouds(<true/false>) * `core.set_clouds(<true/false>)`
core.set_topleft_text(text) * `core.set_topleft_text(text)`
core.show_keys_menu() * `core.show_keys_menu()`
core.show_path_select_dialog(formname, caption, is_file_select) * `core.show_path_select_dialog(formname, caption, is_file_select)`
^ shows a path select dialog * shows a path select dialog
^ formname is base name of dialog response returned in fields * `formname` is base name of dialog response returned in fields
^ -if dialog was accepted "_accepted" - if dialog was accepted `"_accepted"`
^ will be added to fieldname containing the path will be added to fieldname containing the path
^ -if dialog was canceled "_cancelled" - if dialog was canceled `"_cancelled"`
^ will be added to fieldname value is set to formname itself will be added to fieldname value is set to formname itself
^ if `is_file_select` is `true`, a file and not a folder will be selected * if `is_file_select` is `true`, a file and not a folder will be selected
^ returns nil or selected file/folder * returns nil or selected file/folder
core.get_screen_info() * `core.get_screen_info()`
^ returns { * returns
density = <screen density 0.75,1.0,2.0,3.0 ... (dpi)>,
display_width = <width of display>, {
display_height = <height of display>, density = <screen density 0.75,1.0,2.0,3.0 ... (dpi)>,
window_width = <current window width>, display_width = <width of display>,
window_height = <current window height>, display_height = <height of display>,
render_info = <active render information> window_width = <current window width>,
} window_height = <current window height>,
render_info = <active render information>
}
Content and Packages Content and Packages
@ -219,14 +222,14 @@ Content and Packages
Content - an installed mod, modpack, game, or texture pack (txt) Content - an installed mod, modpack, game, or texture pack (txt)
Package - content which is downloadable from the content db, may or may not be installed. Package - content which is downloadable from the content db, may or may not be installed.
* core.get_user_path() (possible in async calls) * `core.get_user_path()` (possible in async calls)
* returns path to global user data, * returns path to global user data,
the directory that contains user-provided mods, worlds, games, and texture packs. the directory that contains user-provided mods, worlds, games, and texture packs.
* core.get_modpath() (possible in async calls) * `core.get_modpath()` (possible in async calls)
* returns path to global modpath in the user path, where mods can be installed * returns path to global modpath in the user path, where mods can be installed
* core.get_modpaths() (possible in async calls) * `core.get_modpaths()` (possible in async calls)
* returns table of virtual path to global modpaths, where mods have been installed * returns table of virtual path to global modpaths, where mods have been installed
The difference with "core.get_modpath" is that no mods should be installed in these The difference with `core.get_modpath` is that no mods should be installed in these
directories by Minetest -- they might be read-only. directories by Minetest -- they might be read-only.
Ex: Ex:
@ -241,133 +244,135 @@ Package - content which is downloadable from the content db, may or may not be i
} }
``` ```
* core.get_clientmodpath() (possible in async calls) * `core.get_clientmodpath()` (possible in async calls)
* returns path to global client-side modpath * returns path to global client-side modpath
* core.get_gamepath() (possible in async calls) * `core.get_gamepath()` (possible in async calls)
* returns path to global gamepath * returns path to global gamepath
* core.get_texturepath() (possible in async calls) * `core.get_texturepath()` (possible in async calls)
* returns path to default textures * returns path to default textures
* core.get_games() -> table of all games (possible in async calls) * `core.get_games()` -> table of all games (possible in async calls)
* `name` in return value is deprecated, use `title` instead. * `name` in return value is deprecated, use `title` instead.
* returns a table (ipairs) with values: * returns a table (ipairs) with values:
{ {
id = <id>, id = <id>,
path = <full path to game>, path = <full path to game>,
gamemods_path = <path>, gamemods_path = <path>,
title = <title of game>, title = <title of game>,
menuicon_path = <full path to menuicon>, menuicon_path = <full path to menuicon>,
author = "author", author = "author",
DEPRECATED: DEPRECATED:
addon_mods_paths = {[1] = <path>,}, addon_mods_paths = {[1] = <path>,},
} }
* core.get_content_info(path) * `core.get_content_info(path)`
* returns * returns
{ {
name = "technical_id", name = "technical_id",
type = "mod" or "modpack" or "game" or "txp", type = "mod" or "modpack" or "game" or "txp",
title = "Human readable title", title = "Human readable title",
description = "description", description = "description",
author = "author", author = "author",
path = "path/to/content", path = "path/to/content",
depends = {"mod", "names"}, -- mods only depends = {"mod", "names"}, -- mods only
optional_depends = {"mod", "names"}, -- mods only optional_depends = {"mod", "names"}, -- mods only
} }
* core.check_mod_configuration(world_path, mod_paths) * `core.check_mod_configuration(world_path, mod_paths)`
* Checks whether configuration is valid. * Checks whether configuration is valid.
* `world_path`: path to the world * `world_path`: path to the world
* `mod_paths`: list of enabled mod paths * `mod_paths`: list of enabled mod paths
* returns: * returns:
{ {
is_consistent = true, -- true is consistent, false otherwise is_consistent = true, -- true is consistent, false otherwise
unsatisfied_mods = {}, -- list of mod specs unsatisfied_mods = {}, -- list of mod specs
satisfied_mods = {}, -- list of mod specs satisfied_mods = {}, -- list of mod specs
error_message = "", -- message or nil error_message = "", -- message or nil
} }
Logging Logging
------- -------
core.debug(line) (possible in async calls) * `core.debug(line)` (possible in async calls)
^ Always printed to stderr and logfile (print() is redirected here) * Always printed to `stderr` and logfile (`print()` is redirected here)
core.log(line) (possible in async calls) * `core.log(line)` (possible in async calls)
core.log(loglevel, line) (possible in async calls) * `core.log(loglevel, line)` (possible in async calls)
^ loglevel one of "error", "action", "info", "verbose" * `loglevel` one of "error", "action", "info", "verbose"
Settings Settings
-------- --------
core.settings:set(name, value) * `core.settings:set(name, value)`
core.settings:get(name) -> string or nil (possible in async calls) * `core.settings:get(name)` -> string or nil (possible in async calls)
core.settings:set_bool(name, value) * `core.settings:set_bool(name, value)`
core.settings:get_bool(name) -> bool or nil (possible in async calls) * `core.settings:get_bool(name)` -> bool or nil (possible in async calls)
core.settings:save() -> nil, save all settings to config file * `core.settings:save()` -> nil, save all settings to config file
For a complete list of methods of the Settings object see For a complete list of methods of the `Settings` object see
[lua_api.txt](https://github.com/minetest/minetest/blob/master/doc/lua_api.txt) [lua_api.txt](https://github.com/minetest/minetest/blob/master/doc/lua_api.txt)
Worlds Worlds
------ ------
core.get_worlds() -> list of worlds (possible in async calls) * `core.get_worlds()` -> list of worlds (possible in async calls)
^ returns { * returns
[1] = {
path = <full path to world>, {
name = <name of world>, [1] = {
gameid = <gameid of world>, path = <full path to world>,
}, name = <name of world>,
} gameid = <gameid of world>,
core.create_world(worldname, gameid, init_settings) },
core.delete_world(index) }
* `core.create_world(worldname, gameid, init_settings)`
* `core.delete_world(index)`
Helpers Helpers
------- -------
core.get_us_time() * `core.get_us_time()`
^ returns time with microsecond precision * returns time with microsecond precision
core.gettext(string) -> string * `core.gettext(string)` -> string
^ look up the translation of a string in the gettext message catalog * look up the translation of a string in the gettext message catalog
fgettext_ne(string, ...) * `fgettext_ne(string, ...)`
^ call core.gettext(string), replace "$1"..."$9" with the given * call `core.gettext(string)`, replace "$1"..."$9" with the given
^ extra arguments and return the result extra arguments and return the result
fgettext(string, ...) -> string * `fgettext(string, ...)` -> string
^ same as fgettext_ne(), but calls core.formspec_escape before returning result * same as `fgettext_ne()`, but calls `core.formspec_escape` before returning result
core.parse_json(string[, nullvalue]) -> something (possible in async calls) * `core.parse_json(string[, nullvalue])` -> something (possible in async calls)
^ see core.parse_json (lua_api.txt) * see `core.parse_json` (`lua_api.txt`)
dump(obj, dumped={}) * `dump(obj, dumped={})`
^ Return object serialized as a string * Return object serialized as a string
string:split(separator) * `string:split(separator)`
^ eg. string:split("a,b", ",") == {"a","b"} * eg. `string:split("a,b", ",")` == `{"a","b"}`
string:trim() * `string:trim()`
^ eg. string.trim("\n \t\tfoo bar\t ") == "foo bar" * eg. `string.trim("\n \t\tfoo bar\t ")` == `"foo bar"`
core.is_yes(arg) (possible in async calls) * `core.is_yes(arg)` (possible in async calls)
^ returns whether arg can be interpreted as yes * returns whether `arg` can be interpreted as yes
minetest.encode_base64(string) (possible in async calls) * `minetest.encode_base64(string)` (possible in async calls)
^ Encodes a string in base64. * Encodes a string in base64.
minetest.decode_base64(string) (possible in async calls) * `minetest.decode_base64(string)` (possible in async calls)
^ Decodes a string encoded in base64. * Decodes a string encoded in base64.
Async Async
----- -----
core.handle_async(async_job,parameters,finished) * `core.handle_async(async_job,parameters,finished)`
^ execute a function asynchronously * execute a function asynchronously
^ async_job is a function receiving one parameter and returning one parameter * `async_job` is a function receiving one parameter and returning one parameter
^ parameters parameter table passed to async_job * `parameters` parameter table passed to `async_job`
^ finished function to be called once async_job has finished * `finished` function to be called once `async_job` has finished
^ the result of async_job is passed to this function the result of `async_job` is passed to this function
Limitations of Async operations ### Limitations of Async operations
-No access to global lua variables, don't even try * No access to global lua variables, don't even try
-Limited set of available functions * Limited set of available functions
e.g. No access to functions modifying menu like core.start,core.close, e.g. No access to functions modifying menu like `core.start`, `core.close`,
core.show_path_select_dialog `core.show_path_select_dialog`
Background music Background music