Powder Toy Lua API

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The Powder Toy Lua API is a set of objects and functions that allow control over most aspects of the game, including graphics, element interactions, and interfaces.

If you are new to the Lua programming language, you should familiarize yourself with how to code in Lua. A great beginner's tutorial is available here

boxmein made a massive reference to most parts of the API, including some that are not added to this wiki yet. However, it is extremely outdated. You can find it here.

The API is split into several categories

Includes UI components such as buttons, labels, and checkboxes, access to the very primitive window manager, and input events
Methods and constants for interacting with the display mode
Methods and constants for modifying and creating elements
Methods for modifying the state of the simulation
Methods for drawing simple shapes and text on the screen.
File System
Functions for creating, deleting, modifying, and enumerating files and folders.
Functions for doing OS-level things like opening URLs or interacting with the clipboard.
Listen for events, such as mouse clicks or key presses.
Provides TCP sockets, effectively a severely feature-limited version of the LuaSocket library
Provides access to basic HTTP functionality in the form of request objects.
Provides direct access to our bzip2 library, for compressing and decompressing data.
Doesn't actually provide any interaction with the game, but provides some functions for performing bitwise operations on integer numbers.
Old Lua API with the tpt.* prefix