Coding with Minecraft® · Build Taller, Farm Faster, Mine Deeper, and Automate the Boring Stuff by Sweigart, Al -- Read -- Imperial Library of Trantor

Index

Cover Page Title Page Copyright Page Dedication About the Author About the Technical Reviewer Brief Contents Contents in Detail Acknowledgments Introduction

What Are Minecraft Mods? What Is ComputerCraft? How to Use This Book What’s in This Book? Getting Help Online Resources What You Learned

1. Getting Started with ComputerCraft

Installing Minecraft, ATLauncher, and ComputerCraft Running Minecraft What You Learned

2. Programming Basics

Getting Started with Turtles Getting Started with Lua Programming Letting Lua Do the Math Storing Values with Variables Checking the Turtle’s Fuel Levels What You Learned

3. Talking to Your Turtle

Teaching Your Turtle to Say Hello! Displaying Text with the print() Function Retrieving Turtle Names Getting Keyboard Input with the io.read() Function Giving Text a Typewriter Effect Changing Turtle Names What You Learned

4. Programming Turtles to Dance

Writing a Dance Program Running the mydance Program Using Comments in Your Code Turtle Movement Functions Experimenting with Moving the Turtle Looping with for Loops Taking the Turtle for a Spin Doing a Little Hop Sharing and Downloading Programs Online What You Learned

5. Making a Better Dancer

Writing a Better Dance Program Running the mydance2 Program The Boolean Data Type The nil Data Type Looping with while Loops Making Decisions with if Statements Comparing Two Values with Comparison Operators Making Alternate Decisions with elseif Statements Nested Code Blocks Making a Decision . . . or Else! What You Learned

6. Programming a Robot Lumberjack

Equipping Turtles with Tools Designing a Tree-Chopping Algorithm Writing the choptree Program Running the choptree Program Detecting Blocks with the Turtle Detection Functions Terminating Programs with the error() Function Mining Blocks with the Turtle Digging Functions Comparing Blocks with the Turtle Comparison Functions Returning to the Ground Startup Programs and the shell.run() Function What You Learned

7. Creating Modules to Reuse Your Code

Creating Functions with the function Statement Making a Module of Functions Looking at the Turtle’s Inventory Global and Local Scope Finding an Item with a for Loop Selecting an Empty Inventory Slot What You Learned

8. Running an Automated Tree Farm

Designing a Tree-Farming Program Writing the farmtrees Program Running the farmtrees Program Tree Types in Minecraft Chunk Loading in Minecraft Loading Modules with the os.loadAPI() Function Checking for Files with the fs.exists() Function Selecting Saplings in the Turtle’s Inventory Running Other Programs with the shell.run() Function Handling Items with the Turtle’s Drop Functions Rewriting Your Code for When You Have No Bone Meal What You Learned

9. Building a Cobblestone Generator

Blueprints for the Cobblestone Generator Setting Up Furnaces for Smelting the Cobblestone Writing the cobminer Program Running the cobminer Program Setting Up Your Program and Making a Constant Variable Mining the Cobblestone from the Generator Interacting with Furnaces Moving the Cobblestone Miner Back into Position What You Learned

10. Making a Stone Brick Factory

Designing a Program to Craft Stone Bricks Crafting a Crafty Turtle Writing the brickcrafter Program Running the brickcrafter Program Setup for the brickcrafter Program Checking the Turtle’s Fuel Collecting Stone from the Furnaces Crafting Stone Bricks Moving the Turtle Back into Position Creating a Factory Building What You Learned

11. Constructing Walls

Extending the hare Module Writing and Running the buildwall Program Loading the hare Module Using the Array Data Type Reading Command Line Arguments Creating Usage Messages Calling hare.buildWall() to Build a Wall What You Learned

12. Constructing Rooms

Designing a Room-Building Algorithm Extending the hare Module Calculating the Total Number of Blocks Needed to Build a Room Writing the buildRoom() Function Writing the buildroom Program Running the buildroom Program What You Learned

13. Constructing Floors

Designing the Sweeping Algorithm Passing Functions to Functions Extending the hare Module Calling the sweepFunc() Function Writing the buildFloor() Function Writing the buildfloor Program Running the buildfloor Program Creating a Patterned Floor What You Learned

14. Programming a Robotic Farm

Setting Up a Wheat Field Designing the Wheat-Farming Algorithm Extending the hare Module Writing the farmwheat Program Running the farmwheat Program Setup for the farmwheat Program Writing Functions to Use in the Main Program Farming with a Loop Tips for Automating Other Kinds of Farming What You Learned

15. Programming a Staircase Miner

Designing the Stair-Mining Algorithm Extending the hare Module Writing the digUntilClear() and digUpUntilClear() Functions Writing the stairminer Program Running the stairminer Program Setup for the stairminer Program Creating the First Stair Step Mining Downward Checking the Turtle’s Fuel Checking the Turtle’s Inventory Mining Upward What You Learned

Function Reference

fs (File System) API hare API io (Input/Output) API math API os (Operating System) API shell API string API textutils API turtle API Lua Functions

Name ID Reference

Finding a Block’s Name ID Distinguishing Between Blocks That Share Name IDs List of Block Name IDs

INDEX

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