Book Image

Building Minecraft Server Modifications

By : Cody M. Sommer
Book Image

Building Minecraft Server Modifications

By: Cody M. Sommer

Overview of this book

If you have ever played Minecraft on a public server then the chances are that the server was powered by Bukkit. Bukkit plugins allow a server to be modified in more ways than you can imagine. Learning to program your own server mods will allow you to customize the game to your own liking. Building Minecraft Server Modifications is a complete guide that walks you through the creation of Minecraft server mods. From setting up a server, to testing your newly made plugins, this book teaches you everything you need to know. With the help of this book you can start practising for a career in software development or simply create something awesome to play with your friends. This book walks you through installing your own Minecraft server for you and your friends. Once your server is running, it will aid you in modifying the game by programming Bukkit plugins. You will learn how to program simple plugin features such as player commands and permissions. You will also learn more complex features including listening for events, creating a configurable plugin, and utilizing the Bukkit scheduler. All of this will be accomplished while writing your own server mods. You will become familiar with the most important aspects of the Bukkit API. Additional API features will become a breeze to learn after tackling these more complicated tasks.

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Building Minecraft Server Modifications
Cody M. Sommer
Sep, 2013 | 142 pages
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Table of Contents (17 chapters)
Building Minecraft Server Modifications
Building Minecraft Server Modifications
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Deploying a CraftBukkit Server
Deploying a CraftBukkit Server
Installation
Setup
Minecraft/Bukkit server commands
Port forwarding
Summary
2
Learning the Bukkit API
Learning the Bukkit API
Introduction to APIs
The Bukkit API documentation
Navigating the Bukkit API documentation
Understanding the Java documentation
Exploring Bukkit API
Summary
3
Creating Your First Bukkit Plugin
Creating Your First Bukkit Plugin
Installing an IDE
Creating a new project
Adding Bukkit as a library
The essentials of a Bukkit plugin
Making and calling new methods
Expanding your code
Summary
4
Testing on the CraftBukkit Server
Testing on the CraftBukkit Server
Building the JAR file
Installing your plugin
Testing your plugin
Testing new versions of your plugin
Summary
5
Plugin Commands
Plugin Commands
Adding a command to plugin.yml
Programming the command actions
Assigning the executor for the command
Summary
6
Player Permissions
Player Permissions
The benefits of permissions
Understanding permission nodes
Adding a permission node to plugin.yml
Assigning a permission node to a plugin command
Testing player permissions
Using a third-party permissions plugin
Using permission nodes throughout your plugins
Summary
7
The Bukkit Event System
The Bukkit Event System
Choosing an event
Registering an event listener
Listening for an event
Canceling an event
Communicating among events
Modifying an event as it occurs
Creating more plugins on your own
Summary
8
Making Your Plugin Configurable
Making Your Plugin Configurable
Configurable data types
Writing a config.yml file
Saving, loading, and reloading the config file
Reading and storing the configured values
Using configured settings within your plugin
ItemStack within a configuration
YAML configuration hierarchy
Storing configuration values as variables
Accessing variables from another class
Summary
9
Saving Your Data
Saving Your Data
Types of data that can be saved
Which data to save and when
A sample teleportation plugin
Writing a ConfigurationSerializable class
Saving data to a YAML configuration
Loading data from a YAML configuration
Summary
10
The Bukkit Scheduler
The Bukkit Scheduler
Creating a BukkitRunnable class
Synchronous versus asynchronous tasks
Running a task from a BukkitRunnable class
Running a task later from a BukkitRunnable
Running a task timer from a BukkitRunnable class
Writing a repeating task for a plugin
Adding a delayed task to a plugin
Executing a code asynchronously
Summary
Index
Index

Summary

You now have a useful plugin to play with on your own server. You can build this plugin as discussed in the previous chapter and put it on your server to test. Try it with different items and observe how it works. There are many plugins that can be created which function solely by using commands. With this knowledge you have the potential to create numerous plugins. The following list contains a few plugins that you might want to try yourself:

  • A plugin that teleports you to the spawn location of the world using /spawn.

  • A plugin that plays the Creeper Hiss sound to a specific player using /scare <player>.

    Tip

    For this plugin you will have to use arguments. First you will want to check if you were given the correct number of arguments. Then you will have to get the first argument similar to how you got the first player in Chapter 3, Creating Your First Bukkit Plugin. This argument will be the name of a player. There is a method in the Bukkit class to find a player with a given name...

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