legendary/README.md

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# Legendary (Game Launcher)
### A free and open-source Epic Games Launcher replacement
[![Discord](https://discordapp.com/api/guilds/695233346627698689/widget.png?style=shield)](https://discord.gg/UJKBwPw) [![Twitter Follow](https://img.shields.io/twitter/follow/legendary_gl?label=Follow%20us%20for%20updates%21&style=social)](https://twitter.com/legendary_gl)
Legendary (named after the next highest tier [in item rarity](https://wow.gamepedia.com/Quality)) is an open-source game launcher that can download and install games from the Epic Games Store on Linux and Windows.
Right now it is in an early public pre-release stage and still needs a lot of work to work. But it does work!
**Currently implemented:**
- Authenticate with Epic (can import authentication from EGS installation [Windows only])
- Download and install games
- Update installed games (not well tested/potentially buggy)
- Launch games with online authentication
**Planned:**
- Better Linux and WINE support
- Importing installed games from the EGS launcher
- PyPI distribution
- Miscellaneous optimizations
- Simple GUI for managing/launching games
- Lots and lots of bug fixes and refactoring...
## Requirements
- python 3.8+
- requests
## How to install
- Windows (standalone): Download the latest EXE from [GitHub](https://github.com/derrod/legendary/releases/latest)
- Linux/Windows (requires setuptools to be installed): `python3.8 setup.py install`
A PyPI package will follow once it has gotten more testing.
The Windows .exe was created with PyInstaller and will run standalone without python being installed.
## Usage
````
usage: legendary [-h] (--auth | --download <name> | --install <name> | --update <name> | --uninstall <name> | --launch <name> | --list-games | --list-installed) [-v] [--import] [--base-path <path>] [--max-shared-memory <size>] [--max-workers <num>] [--manifest <uri>] [--base-url <url>] [--force]
[--disable-patching] [--offline] [--skip-version-check] [--override-username <username>] [--dry-run] [--check-updates]
Legendary (Game Launcher)
optional arguments:
-h, --help show this help message and exit
--auth Authenticate Legendary with your account
--download <name> Download a game's files
--install <name> Download and install a game
--update <name> Update a game (alias for --install)
--uninstall <name> Remove a game
--launch <name> Launch game
--list-games List available games
--list-installed List installed games
-v Set loglevel to debug
Authentication options:
--import Import EGS authentication data
Downloading options:
--base-path <path> Path for game installations (defaults to ~/legendary)
--max-shared-memory <size>
Maximum amount of shared memory to use (in MiB), default: 1 GiB
--max-workers <num> Maximum amount of download workers, default: 2 * logical CPU
--manifest <uri> Manifest URL or path to use instead of the CDN one (e.g. for downgrading)
--base-url <url> Base URL to download from (e.g. to test or switch to a different CDNs)
--force Ignore existing files (overwrite)
Installation options:
--disable-patching Do not attempt to patch existing installations (download full game)
Game launch options:
Note: any additional arguments will be passed to the game.
--offline Skip login and launch game without online authentication
--skip-version-check Skip version check when launching game in online mode
--override-username <username>
Override username used when launching the game (only works with some titles)
--dry-run Print the command line that would have been used to launch the game and exit
Listing options:
--check-updates Check for updates when listing installed games
````
## Config file
Legendary supports some options as well as game specific configuration in `~/.config/legendary/config.ini`:
````ini
[Legendary]
log_level = debug
; maximum shared memory (in MiB) to use for installation
max_memory = 1024
; default install directory
install_dir = /mnt/tank/games
[AppName]
; launch game without online authentication by default
offline = true
; Skip checking for updates when launching this game
skip_update_check = true
; start parameters to use (in addition to the required ones)
start_params = -windowed
; (linux) specify wine executable to use
wine_executable = wine
[AppName.env]
; environment variables to set for this game (mostly useful on linux)
WINEPREFIX = /home/user/legendary/Game/.wine
DXVK_CONFIG_FILE = /home/user/legendary/Game/dxvk.conf
````