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Minetest and its components

  • Irrlicht is the 3d rendering libary used by the Minetest engine.
  • Minetest Engine - a game engine consisting of a collection of libraries connected by c++ code.
  • Minetest Game - a collection of mods (as below), consisting primarily of the minetest_game repository, which provides the bulk of the game's content.
  • Mods are plugins that use the lua modding API to modify, extend or add features and blocks.
  • Server - the program that manages and distributes mod, texture and sound data to the players. It also does all of the mod initiation.
  • Client - the program that the player uses to connect to singleplayer or multiplayer games. Handles the rendering of the world.
  • minetest.conf is a file in the root directory which contains settings for the game.

In-game Content

  • a World is a saved game in Minetest, which folder contains:
    • Map - a SQLite database of the maps content, everything from blocks to chest contents.
    • the players passwords, their health, and their inventory.
    • and other needed files, such as banlists, seed numbers and protected areas.
  • Blocks are 16x16x16 groups of nodes.
  • Nodes are 1x1x1 meter individual cubes in the game, and are grouped, generated and loaded by their blocks.
  • Object - something in the world that is not attached to any particular node or position, can move and act on its own. Examples include mobs, dropped items, falling sand or gravel, primed TNT. Players are also objects.
  • Entity - an object (see above) that is written in Lua.
  • Items
    • Tool item - a type of item that is non-stackable, wears out and improves mining speed or deals more damage. Examples: Pickaxes, axes, shovels, swords.
    • Node item - a type of item that can be placed as a node (see above). These include dirt, stone, cobble, etc., but also things like torches and signs..
    • Material item - another name for "Node item"
    • CraftItems - a type of item that can (depending on the item) be eaten, be used in crafting recipes or cooked in a furnace, be placed as objects or be used on things in the world.
    • Node metadata - extra data that is attached to a node. Chests and furnaces use this to store their inventories, and signs use this to store what is written on them.
    • Environment - A global object that (amongst other things) provides access to all nodes, (active) objects and players.
    • ABM's are processes that run on blocks of a certain type, changing them or giving them interactive properties. (ie: Furnaces, Grass growing)

Lua and Modding related

  • Lua is a simple programming language that is used in mods
  • The Modding api is a selection of functions and values, used by mod files to modify, extend or add features and blocks.