Lua Quick Start Guide · The easiest way to learn Lua programming by Szauer, Gabor -- Read -- Imperial Library of Trantor

Index

Title Page Copyright and Credits

Lua Quick Start Guide

Packt Upsell

Why subscribe? PacktPub.com

Contributors

About the author About the reviewer Packt is searching for authors like you

Preface

Who this book is for What this book covers To get the most out of this book

Download the example code files Download the color images Code in Action Conventions used

Get in touch

Reviews

Introduction to Lua

Technical requirements What Lua is

Source code and binaries Installing Lua on Windows 10 Installing Lua on macOS Installing Lua on Linux

Tools for Lua

Installing VS Code on Windows 10 Installing VS Code on macOS Installing VS Code on Linux Exploring VS Code

Hello World! Summary

Working with Lua

Technical requirements Variables

Creating variables Printing variables Assigning variables

Comments Basic types

nil Boolean number Finding a type

String types

String literals String length Concatenate strings String coercion Escape characters Console input

Scope

Scope access Global scope Shadowing

Functions

Defining a function Calling a function Function arguments Any number of arguments Returning a value Returning multiple values

Operators

Arithmetic operators Relational operators Logical operators Misc operators Operator precedence

Control structures

if elseif else Nesting if statements

Loops

while loops Infinite loops Breaking a loop Repeat until loop for loop Nested loops

Summary

Tables and Objects

Technical requirements Introduction to tables

Creating tables Storing values Table constructor Tables are references

Arrays

Array constructor Arrays are one-based Sparse arrays The size of an array Multidimensional arrays

Iterating

Understanding pairs Understanding ipairs Closures Iterator functions

Meta tables

setmetatable getmetatable __index __newindex rawget and rawset __call Operators

Math operators Equivalence operators Other operators

Objects

Classes The : operator Tables inside of objects

Inheritance

Single inheritance Multiple inheritance

Summary

Lua Libraries

Technical requirements The global table

Explicit variables Dynamic variables Environment

math

Trigonometry Changing numbers Comparing numbers Randomness Constants Everything else

File IO

Opening a file Writing data Reading data Reading line by line Reading bits of data Closing a file

Interfacing with the operating system

Working with time Interacting with the shell Working with files

More strings

Searching for a substring Extracting a substring Case manipulation

Creating and loading modules

Creating a module Loading and using modules Avoiding parsing Executing files

Summary

Debugging Lua

Technical requirements The debug library

Introspective information

The debug.getinfo return value Filtering the information

Local variables Hooks

Line ("l") Call ("c") Return ("r") Setting a counter Multiple hooks

Traceback Debugger.lua

Using debugger.lua

Error-handling in Lua

pcall and error assert

Profiling

The profile module Using the profile module

Integrated development environments

LuaEdit

Breakpoints Locals and Watch Callstack

Decoda

Starting debugging Everything else

Zero Brane Studio

Selecting an interpreter Starting the debugger

Visual Studio Code

Summary

Embedding Lua

Technical requirements Working with the C API The stack

Pushing to the stack Querying the stack Reading from the stack Stack size

Reading Lua variables from C

Loading a Lua file Reading global variables Example

Creating Lua variables from C Calling Lua functions from C Calling C functions from Lua Working with tables in C

Reading values from a table Writing values to a table Meta tables

User data Lua C API reference Summary

Lua Bridge

Technical requirements API conventions Namespaces Variables Functions Properties Classes

Constructor Subclass Member variables, properties, and functions Static variables, properties, and functions

Calling C functions from Lua LuaRef LuaRef and tables Summary

Next Steps

Books

Programming In Lua Learning Game AI Programming with Lua LÖVE for Lua Game Programming Lua Game Development Cookbook Game Development with Lua Beginning Lua Programming Lua Programming Gems Learn Lua for iOS Game Development

Game engines

LÖVE 2D Defold Corona Leadwerks Gideros Urho 3D Polycode ShiVa

Game mods

Roblox Garry's Mod World Of Warcraft Natural Selection 2 Don't Starve Hack 'n' Slash

Scriptable software

CEGUI Conky Premake Moho

Summary

Other Books You May Enjoy

Leave a review - let other readers know what you think

← Prev
Back
Next →

← Prev
Back
Next →