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What is LIBK

What is LIBK

LIBK is GMOD Lua Library for fast and straightforward development of database-backed addons. Support MySQL and SQLite with the same code.

Database

LibK gives you a few options for working with databases:

  • No more manual query writing or SQL injection through abstraction models with support for SQLite and MySQL.

  • The ability to establish a database connection very quickly.

  • Every query is guaranteed to be executed, and there will be automatic reconnection if the database connection is interrupted.

Working with Network

  • Clients can initiate server transactions that are wrapped as a promise

  • Objects (i.e. class instances) can be sent from server to client

Addon Loader

  • Loading files by filename is accessible.

  • Supports file ordering

  • No need to manually include files anymore

  • Load an addon after game mode initialisation

  • Wait until another addon has finished loading

Basic example

This example shows a simple addon that will save player joins to the database. In any shared file:

-- Initialize the Addon
LibK.InitializeAddon{
	addonName = "MyAddon",                  --Name of the addon
	author = "Kamshak",                     --Name of the author
	luaroot = "myaddon",                    --Folder that contains the client/shared/server structure
}

MyAddon = {}

LibK.SetupDatabase( "MyAddon", MyAddon )

-- Create a Database Model
MyAddon.PlayerJoins = class( "PlayerJoins" )
MyAddon.PlayerJoins.static.DB = "MyAddon"
MyAddon.PlayerJoins.static.model = {
	tableName = "ps2_plyjoinstreak",
	fields = {
		playerId = "int",
        	joinedTime = "createdTime" --automatically set to time this entry was created
	}
}
MyAddon.PlayerJoins:include( DatabaseModel )

-- Use It
hook.Add( "LibK_PlayerInitialSpawn", "Save Player Join", function( ply )
	local join = Pointshop2.PlayerJoins:new( )
	join.playerId = ply.kPlayerId
	join:save()
end )

Addon Structure

LibK suggests a simple addon structure that separates code into shared, server and client folders.

Some features can only be used with this structure; however, it is optional.

Setting up an addon

You can read how to set up the addon on this page: https://github.com/Kamshak/LibK

References

Official plugin page: https://github.com/Kamshak/LibK

Middleclass: https://github.com/kikito/middleclass