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[CSM] Fix errors in and improve the CSM documentation. (#5467)
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Loïc Blot
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@ -8,14 +8,13 @@ Introduction
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**WARNING: The client API is currently unstable, and may break/change without warning.**
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Content and functionality can be added to Minetest 0.4 by using Lua
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Content and functionality can be added to Minetest 0.4.15-dev+ by using Lua
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scripting in run-time loaded mods.
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A mod is a self-contained bunch of scripts, textures and other related
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things that is loaded by and interfaces with Minetest.
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Mods are contained and ran solely on the server side. Definitions and media
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files are automatically transferred to the client.
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Transfering client-sided mods form the server to the client is planned, but not implemented yet.
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If you see a deficiency in the API, feel free to attempt to add the
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functionality in the engine and API. You can send such improvements as
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@ -66,6 +65,8 @@ On an installed version on Linux:
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Modpack support
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----------------
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**NOTE: Not implemented yet.**
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Mods can be put in a subdirectory, if the parent directory, which otherwise
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should be a mod, contains a file named `modpack.txt`. This file shall be
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empty, except for lines starting with `#`, which are comments.
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@ -73,28 +74,16 @@ empty, except for lines starting with `#`, which are comments.
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Mod directory structure
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------------------------
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mods
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|-- modname
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| |-- depends.txt
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| |-- screenshot.png
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| |-- description.txt
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| |-- settingtypes.txt
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| |-- init.lua
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| |-- models
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| |-- textures
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| | |-- modname_stuff.png
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| | `-- modname_something_else.png
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| |-- sounds
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| |-- media
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| `-- <custom data>
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`-- another
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clientmods
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├── modname
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| ├── depends.txt
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| ├── init.lua
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└── another
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### modname
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The location of this directory can be fetched by using
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`minetest.get_modpath(modname)`.
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The location of this directory.
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### `depends.txt`
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### depends.txt
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List of mods that have to be loaded before loading this mod.
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A single line contains a single modname.
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@ -103,18 +92,7 @@ Optional dependencies can be defined by appending a question mark
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to a single modname. Their meaning is that if the specified mod
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is missing, that does not prevent this mod from being loaded.
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### `screenshot.png`
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A screenshot shown in the mod manager within the main menu. It should
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have an aspect ratio of 3:2 and a minimum size of 300×200 pixels.
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### `description.txt`
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A File containing description to be shown within mainmenu.
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### `settingtypes.txt`
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A file in the same format as the one in builtin. It will be parsed by the
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settings menu and the settings will be displayed in the "Mods" category.
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### `init.lua`
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### init.lua
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The main Lua script. Running this script should register everything it
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wants to register. Subsequent execution depends on minetest calling the
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registered callbacks.
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@ -151,29 +129,10 @@ when registering it.
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The `:` prefix can also be used for maintaining backwards compatibility.
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### Aliases
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Aliases can be added by using `minetest.register_alias(name, convert_to)` or
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`minetest.register_alias_force(name, convert_to).
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This will make Minetest to convert things called name to things called
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`convert_to`.
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The only difference between `minetest.register_alias` and
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`minetest.register_alias_force` is that if an item called `name` exists,
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`minetest.register_alias` will do nothing while
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`minetest.register_alias_force` will unregister it.
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This can be used for maintaining backwards compatibility.
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This can be also used for setting quick access names for things, e.g. if
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you have an item called `epiclylongmodname:stuff`, you could do
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minetest.register_alias("stuff", "epiclylongmodname:stuff")
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and be able to use `/giveme stuff`.
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Sounds
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------
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**NOTE: Not fully implemented yet.**
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Only Ogg Vorbis files are supported.
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For positional playing of sounds, only single-channel (mono) files are
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@ -231,7 +190,7 @@ Examples of sound parameter tables:
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Looped sounds must either be connected to an object or played locationless to
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one player using `to_player = name,`
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### `SimpleSoundSpec`
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### SimpleSoundSpec
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* e.g. `""`
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* e.g. `"default_place_node"`
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* e.g. `{}`
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@ -247,7 +206,7 @@ Representations of simple things
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For helper functions see "Vector helpers".
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### `pointed_thing`
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### pointed_thing
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* `{type="nothing"}`
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* `{type="node", under=pos, above=pos}`
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* `{type="object", ref=ObjectRef}`
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@ -287,8 +246,7 @@ since, by default, no schematic attributes are set.
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Formspec
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--------
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Formspec defines a menu. Currently not much else than inventories are
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supported. It is a string, with a somewhat strange format.
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Formspec defines a menu. It is a string, with a somewhat strange format.
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Spaces and newlines can be inserted between the blocks, as is used in the
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examples.
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@ -653,7 +611,7 @@ Helper functions
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* `table.copy(table)`: returns a table
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* returns a deep copy of `table`
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`minetest` namespace reference
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Minetest namespace reference
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------------------------------
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### Utilities
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@ -669,7 +627,7 @@ Helper functions
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reliable or verifyable. Compatible forks will have a different name and
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version entirely. To check for the presence of engine features, test
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whether the functions exported by the wanted features exist. For example:
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`if core.nodeupdate then ... end`.
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`if minetest.nodeupdate then ... end`.
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### Logging
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* `minetest.debug(...)`
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@ -784,24 +742,26 @@ Call these functions only at load time!
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* Encodes a string in base64.
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* `minetest.decode_base64(string)`: returns string
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* Decodes a string encoded in base64.
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* `core.gettext(string) : returns string
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* `minetest.gettext(string) : returns string
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* look up the translation of a string in the gettext message catalog
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* `fgettext_ne(string, ...)`
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* call core.gettext(string), replace "$1"..."$9" with the given
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* call minetest.gettext(string), replace "$1"..."$9" with the given
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extra arguments and return the result
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* `fgettext(string, ...)` : returns string
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* same as fgettext_ne(), but calls core.formspec_escape before returning result
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* same as fgettext_ne(), but calls minetest.formspec_escape before returning result
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### UI
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* `minetest.ui.minimap`
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* Reference to the minimap object. See `Minimap` class reference for methods.
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* `show_formspec(formname, formspec)` : returns true on success
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* `minetest.show_formspec(formname, formspec)` : returns true on success
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* Shows a formspec to the player
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* `minetest.display_chat_message(message)` returns true on success
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* Shows a chat message to the current player.
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Class reference
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---------------
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### `Minimap`
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### Minimap
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An interface to manipulate minimap on client UI
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* `show()`: shows the minimap (if not disabled by server)
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@ -814,7 +774,7 @@ An interface to manipulate minimap on client UI
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* `get_mode()`: returns the current minimap mode
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* `toggle_shape()`: toggles minimap shape to round or square.
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### `Settings`
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### Settings
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An interface to read config files in the format of `minetest.conf`.
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It can be created via `Settings(filename)`.
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@ -837,8 +797,7 @@ Definition tables
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{
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params = "<name> <privilege>", -- Short parameter description
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description = "Remove privilege from player", -- Full description
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privs = {privs=true}, -- Require the "privs" privilege to run
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func = function(name, param), -- Called when command is run.
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func = function(param), -- Called when command is run.
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-- Returns boolean success and text output.
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}
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@ -847,14 +806,14 @@ Escape sequences
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Most text can contain escape sequences, that can for example color the text.
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There are a few exceptions: tab headers, dropdowns and vertical labels can't.
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The following functions provide escape sequences:
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* `core.get_color_escape_sequence(color)`:
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* `minetest.get_color_escape_sequence(color)`:
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* `color` is a ColorString
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* The escape sequence sets the text color to `color`
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* `core.colorize(color, message)`:
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* `minetest.colorize(color, message)`:
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* Equivalent to:
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`core.get_color_escape_sequence(color) ..
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`minetest.get_color_escape_sequence(color) ..
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message ..
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core.get_color_escape_sequence("#ffffff")`
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minetest.get_color_escape_sequence("#ffffff")`
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* `color.get_background_escape_sequence(color)`
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* `color` is a ColorString
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* The escape sequence sets the background of the whole text element to
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@ -874,4 +833,4 @@ Named colors are also supported and are equivalent to
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[CSS Color Module Level 4](http://dev.w3.org/csswg/css-color/#named-colors).
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To specify the value of the alpha channel, append `#AA` to the end of the color name
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(e.g. `colorname#08`). For named colors the hexadecimal string representing the alpha
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value must (always) be two hexadecima
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value must (always) be two hexadecimal digits.
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