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You're reading from  Lua Quick Start Guide

Product typeBook
Published inJul 2018
Reading LevelBeginner
PublisherPackt
ISBN-139781789343229
Edition1st Edition
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Gabor Szauer
Gabor Szauer
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Gabor Szauer

Gabor Szauer has been making games since 2010. He graduated from Full Sail University in 2010 with a bachelor's degree in game development. Gabor maintains an active Twitter presence, and maintains a programming-oriented game development blog. Gabor's previously published books are Game Physics Programming Cookbook and Lua Quick Start Guide, both published by Packt.
Read more about Gabor Szauer

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Working with tables in C

Up until now, we have only been working with basic Lua types and functions. Lua's C API also allows us to work with tables. A new table can be created with the lua_newtable (lua_State*) function. This function returns nothing and only takes the Lua state as an argument. The lua_newtable function will create an empty table and leave it on top of the stack. Once the table is on the stack, it's up to you to assign it to a variable. For example, the following code creates a table named "vector" that has global scope:

lua_newtable(L);
lua_setglobal(L, "vector");

The C API for working with tables can get a little verbose. There are a few libraries that address this and aim to reduce the amount of code you have to actually type. One such library, Lua Bridge, will be discussed in Chapter 7, Lua Bridge.

After the table is created, you...
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Lua Quick Start Guide
Published in: Jul 2018Publisher: PacktISBN-13: 9781789343229

Author (1)

author image
Gabor Szauer

Gabor Szauer has been making games since 2010. He graduated from Full Sail University in 2010 with a bachelor's degree in game development. Gabor maintains an active Twitter presence, and maintains a programming-oriented game development blog. Gabor's previously published books are Game Physics Programming Cookbook and Lua Quick Start Guide, both published by Packt.
Read more about Gabor Szauer