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Minecraft Data API

中文

A MCDReforged api plugin to get player data information and more

Dependency

  • hjson module
pip install hjson

Configuration

The config file is at ./config/minecraft_data_api/config.json. It's configured to for with vanilla Minecraft by default

All regexps in the config use python's named matching group style, like (?P<name>...)

See https://docs.python.org/3/library/re.html

{
    "server_data_getter": {
        // The command for listing player. Used by API get_server_player_list
        "list_command": "list",  
        // The regex matching the output of the above command
        // Requires fields: `amount`, `limit`, `players`
        // The `players` field should be a `,` separated string whose items might have surrounding space chars
        "list_output_regex": "^There are (?P<amount>\\d+) of a max( of)? (?P<limit>\\d+) players online:(?P<players>.*)$"
    },
    "player_data_getter": {
        // The commands for query player entity data. Used by API get_player_info etc.
        "data_get_all_command": "data get entity {player}",
        "data_get_path_command": "data get entity {player} {path}",
        // The regex matching the output of the above command
        // Requires fields: `player`
        "data_get_output_regex": "^(?P<player>^\\w+) has the following entity data: .*$"
    }
}

Usage

Directly import MinecraftDataAPI and just use it:

import minecraft_data_api as api

pos = api.get_player_info('Steve', 'Pos')

Suggestion: declare the dependency of MinecraftDataAPI in your plugin metadata:

PLUGIN_METADATA = {
	'dependencies': {
		'minecraft_data_api': '*',
	}
}

Function list

Check the example plugin in the examples folder or read the code to get a more comprehensive understanding

convert_minecraft_json

def convert_minecraft_json(text: str)

Convert Minecraft style json format into a python object

Minecraft style json format is something like these:

  • Steve has the following entity data: [-227.5d, 64.0d, 12.3E4d]
  • [-227.5d, 64.0d, 231.5d]
  • Alex has the following entity data: {HurtByTimestamp: 0, SleepTimer: 0s, ..., Inventory: [], foodTickTimer: 0}

It will automatically detect if there is a <name> has the following entity data: . If there is, it will erase it before converting

Args:

  • text: A data get entity or other command result that use Minecraft style json format

Return:

  • A parsed json result. It can be a dict / list / int / float

Examples:

  • Input Steve has the following entity data: [-227.5d, 64.0d, 231.5d], output [-227.5, 64.0, 123000.0]

  • Input {HurtByTimestamp: 0, SleepTimer: 0s, Inventory: [], foodTickTimer: 0}, output {'HurtByTimestamp': 0, 'SleepTimer': 0, 'Inventory': [], 'foodTickTimer': 0}

get_player_info

def get_player_info(player: str, data_path: str = '', *, timeout: Optional[float] = None)

Execute data get entity <name> [<path>] and parse the result

Args:

  • name: Name of the player who you want to get his/her info
  • path: An optional path parameter in data get entity command
  • timeout: The maximum time to wait the data result. Return None if time out. Default value 5

Return:

  • A parsed json result. It can be a dict, a list, a int or a None

Please refer to the Player.dat page on minecraft wiki

player.dat format

get_player_coordinate

def get_player_coordinate(player: str, *, timeout: Optional[float] = None) -> Union[int or str]

Use get_player_info to query the Pos data of the player to get the player's coordinate. A ValueError will be risen if query failed

It will convert the return value into a named tuple collections.namedtuple('Coordinate', 'x y z') for easier use of the return value

get_player_dimension

def get_player_dimension(player: str, *, timeout: Optional[float] = None) -> Coordinate

Use get_player_info to query the Dimension data of the player to get the player's dimension. A ValueError will be risen if query failed

It contains a dimension data convert. It will convert the dimension name in MC 1.16+ (e.g. minecraft:overworld) into the related integer

Dimension name mapping:

dim_convert = {
    'minecraft:overworld': 0,
    'minecraft:the_nether': -1,
    'minecraft:the_end': 1
}

If the dimension it gets is not in the mapping, for example it's a custom dimension, then it will return the name of the dimension directly

get_dimension_translation_text

def get_dimension_translation_text(dim_id: int) -> RText

Convert the dimension id into a RTextTranslation object that can be translated by Minecraft. The mapping of the translation key is as follows

dimension_translation = {
    0: 'createWorld.customize.preset.overworld',
    -1: 'advancements.nether.root.title',
    1: 'advancements.end.root.title'
}

If the dimension id is not in the mapping, it will return a RText object contains the input id directly

You can safely use api.get_dimension_translation_text(api.get_player_dimension('Steve')) to get text component storing the dimension the player is in

get_server_player_list

def get_server_player_list(*, timeout: Optional[float] = None) -> Optional[Tuple[int, int, List[str]]]

Return the player list information by executing /list command

The return value is a tuple with 3 element: the amount of current player, the player limit, and a list of names of online players. Return None if querying failed

See examples/PlayerList.py for example usage