266 lines
12 KiB
Markdown
266 lines
12 KiB
Markdown
# ScriptCraft - Modding Minecraft with Javascript
|
|
|
|
[](https://gitter.im/walterhiggins/ScriptCraft?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
|
|
|
|
ScriptCraft lets you write Minecraft Mods using Javascript - a
|
|
programming language that's relatively easy to learn and use.
|
|
ScriptCraft is a Minecraft Server plugin which means it must be used
|
|
with a Minecraft server. Once you've downloaded and installed the
|
|
Minecraft Server, then installed the ScriptCraft Plugin you can write
|
|
your own Minecraft mods using Javascript.
|
|
|
|
I created ScriptCraft to make it easier for younger programmers to
|
|
create their own Minecraft Mods. Mods are written using the
|
|
JavaScript programming language. Once the ScriptCraft mod is
|
|
installed, you can add your own new Mods by adding JavaScript (.js)
|
|
files in a directory.
|
|
|
|
* If you're new to programming and want to start modding Minecraft, then [Start Here][yp].
|
|
* If you've already used [Scratch][scr], have attended a few
|
|
[CoderDojo][cd] sessions, or have already dabbled with JavaScript,
|
|
then [Start Here][cda].
|
|
* Watch some [demos][ytpl] of what you can do with ScriptCraft.
|
|
|
|
This is a simple mod in a file called greet.js in the scriptcraft/plugins directory:
|
|
|
|
```javascript
|
|
function greet( player ) {
|
|
echo( player, 'Hello ' + player.name );
|
|
}
|
|
exports.greet = greet;
|
|
```
|
|
|
|
At the in-game prompt, type:
|
|
|
|
```javascript
|
|
/js greet(self)
|
|
```
|
|
|
|
Anything you can do using the Spigot or CanaryMod APIs in Java,
|
|
you can do using ScriptCraft in JavaScript.
|
|
|
|
# Description
|
|
|
|
ScriptCraft is a plugin for Minecraft Servers which lets operators,
|
|
administrators and plug-in authors customize the game using
|
|
JavaScript. ScriptCraft makes it easier to create your own mods. Mods
|
|
can be written in Javscript and can use the full [SpigotMC
|
|
API][spigot] or [CanaryMod API][cm]. ScriptCraft works with all of the
|
|
following Minecraft Server software:
|
|
|
|
* [SpigotMC][spigot] (Recommended)
|
|
* [GlowStone][gs]
|
|
* [CanaryMod][cm]
|
|
|
|
[spigot]: http://www.spigotmc.org/
|
|
[gs]: http://www.glowstone.net/
|
|
[cm]: http://canarymod.net/
|
|
|
|
I recommend using SpigotMC because both CanaryMod and CraftBukkit are
|
|
no longer being actively developed. The ScriptCraft mod also lets you
|
|
enter javascript commands at the in-game prompt. To bring up the
|
|
in-game prompt press the `/` key then type `js ` followed by any
|
|
javascript statement. For example: `/js 1 + 1` will print 2.
|
|
|
|
ScriptCraft also includes many objects and functions to make building
|
|
and modding easier using JavaScript. The JavaScript `Drone` object
|
|
bundled with ScriptCraft provides an easy way to build at-scale in
|
|
Minecraft. See the attached [temple.js][temple] file for an example
|
|
of how you can use the sample Drone plugin to create new buildings in
|
|
Minecraft.
|
|
|
|
[drone]: https://github.com/walterhiggins/ScriptCraft/tree/master/src/main/javascript/drone/drone.js
|
|
[cottage]: https://github.com/walterhiggins/ScriptCraft/tree/master/src/main/js/plugins/drone/contrib/cottage.js
|
|
[temple]: https://github.com/walterhiggins/ScriptCraft/blob/master/src/main/js/plugins/drone/contrib/temple.js
|
|
[bukkit]: http://dl.bukkit.org/
|
|
|
|
# Prerequisites
|
|
|
|
ScriptCraft is a Minecraft Server Mod which only works with Minecraft
|
|
for Personal computers (Windows, Mac and Linux). It does not work with
|
|
X-BOX, Playstation or WiiU versions of the game. You will need to have
|
|
Java version 7 or later installed. Check the version by typing `java
|
|
-version` at a command prompt.
|
|
|
|
# Installation
|
|
|
|
Before installing ScriptCraft you must first install SpigotMC which is
|
|
a special version of Minecraft Server that makes it easy to customize
|
|
the game.
|
|
|
|
## Installing and Running SpigotMC
|
|
|
|
Follow these steps to download and install SpigotMC.
|
|
|
|
1. Download Spigot's [BuildTools.jar][spigotdl]
|
|
2. Save the BuildTools.jar file to a new directory called spigotmc.
|
|
3. Open a terminal (Mac and Linux) or command prompt (windows) window and type `java -jar BuildTools.jar`. This will kick off a long series of commands to "build" SpigotMC.
|
|
4. When the build is done, there will be a new file beginning with `spigot` and ending in `.jar` in the spigotmc directory. Run this file by typing `java -jar spigot-1.10.2.jar` (it might not be that exact name - you can list files in the directory by typing `dir` (Windows) or `ls` (Mac and Linux).
|
|
5. The server will start up then shut down very shortly afterwards. You'll need to edit a file called `eula.txt` - change `eula=false` to `eula=true` and save the file.
|
|
6. Run the `java -jar spigot-1.10.2.jar` command again - this time the server will start up. Shut it down by typing `stop` at the server prompt.
|
|
|
|
## Installing ScriptCraft
|
|
|
|
Follow these steps to download and install ScriptCraft.
|
|
|
|
1. Download the [scriptcraft.jar][dl] plugin and save it to the `plugins` directory and restart the server by typing `java -jar spigot-1.10.2.jar`.
|
|
2. At the server prompt type `js 1 + 1` and hit enter. The result `2` should be displayed.
|
|
|
|
Congratulations - you've just installed your Custom Minecraft Server and are ready to begin writing your first mod!
|
|
|
|
# Post Install
|
|
|
|
Once installed, a new scriptcraft/plugins directory is automatically
|
|
created. All files in the scriptcraft/plugins directory will be
|
|
automatically loaded when the server starts. *Only players who are
|
|
ops can use this plugin.* You can grant a player `op` privileges by
|
|
typing 'op <username>' (replacing <username> with your own Minecraft
|
|
user name) at the server console prompt or by adding the player's
|
|
username to the ops.txt file in your server directory.
|
|
|
|
Launch the server, then launch the Minecraft client and create a new
|
|
server connection. The IP address will be `localhost` . Once you've
|
|
connected to your server and have entered the game, look at a
|
|
ground-level block and type:
|
|
|
|
/js up().box( blocks.wool.black, 4, 9, 1 )
|
|
|
|
… This will create a black monolith structure 4 blocks wide by 9
|
|
blocks high by 1 block long. Take a look at the
|
|
src/main/javascript/drone/drone.js file to see what ScriptCraft's
|
|
drone can do.
|
|
|
|
If you're interested in customizing minecraft beyond just creating new buildings, take a look at [the homes mod][homes] for an example of how to create a more fully-featured JavaScript plugin for Minecraft.
|
|
|
|
## Your first mod - Howling blocks
|
|
Listed below is a simple mod that will make blocks 'Howl' when they're broken.
|
|
|
|
``` javascript
|
|
// copy and paste this code to a new file named 'scriptcraft/plugins/howling-blocks.js'
|
|
var sounds = require('sounds');
|
|
function howl(event){
|
|
sounds.entityWolfHowl( event.block );
|
|
}
|
|
events.blockBreak( howl );
|
|
```
|
|
|
|
If you're using CanaryMod instead of SpigotMC you can [download the equivalent code](https://gist.github.com/walterhiggins/69cddd15160d803fb096).
|
|
|
|
A JavaScript mod for minecraft is just a JavaScript source file (.js)
|
|
located in the scriptcraft/plugins directory. All .js files in this
|
|
directory will be automatically loaded when the server starts.
|
|
|
|
To get started writing your own mod, take a look at some of the
|
|
[examples][examples].
|
|
|
|
[homes]: src/main/js/plugins/homes/homes.js
|
|
[examples]: src/main/js/plugins/examples/
|
|
|
|
# Additional information
|
|
|
|
Because the SpigotMC API is open, all of the SpigotMC API is accessible
|
|
via javascript once the ScriptCraft plugin is loaded. There are a
|
|
couple of useful Java objects exposed via javascript in the
|
|
ScriptCraft plugin:
|
|
|
|
* `__plugin` – the ScriptCraft Plugin itself. This is a useful
|
|
starting point for accessing other SpigotMC objects. The `__plugin`
|
|
object is of type [org.bukkit.plugin.Plugin][api] and all
|
|
of its properties and methods are accessible. For example: `js
|
|
__plugin.name` returns the plugin's name
|
|
(JavaScript is more concise than the equivalent Java code:
|
|
`__plugin.getName()` ).
|
|
|
|
* `server` – The top-level org.bukkit.Server object. See the [SpigotMC API docs][spigotapi] for reference.
|
|
|
|
* `self` – The player/command-block or server console operator who
|
|
invoked the `/js` command. Again, this is a good jumping off point for
|
|
diving into the SpigotMC API.
|
|
|
|
[dl]: http://scriptcraftjs.org/download/latest
|
|
[api]: https://hub.spigotmc.org/javadocs/spigot/
|
|
[ic]: http://canarymod.net/releases
|
|
[spigotdl]: https://hub.spigotmc.org/jenkins/job/BuildTools/lastSuccessfulBuild/artifact/target/BuildTools.jar
|
|
[cmapi]: https://ci.visualillusionsent.net/job/CanaryLib/javadoc/
|
|
[spigotapi]: https://hub.spigotmc.org/javadocs/spigot/
|
|
|
|
# Contributing
|
|
|
|
If you would like to contribute source code and/or documentation changes please [read contributing.md][contrib]
|
|
|
|
## Status
|
|
|
|
[](http://travis-ci.org/walterhiggins/ScriptCraft)
|
|
|
|
# Bukkit Configuration
|
|
## (You can ignore this if using CanaryMod)
|
|
|
|
ScriptCraft works with Bukkit Plugin and uses the Bukkit Configuration
|
|
API. On first loading, ScriptCraft will create a config.yml file in
|
|
the plugins/scriptcraft/ directory. This file looks like this:
|
|
|
|
extract-js:
|
|
plugins: true
|
|
modules: true
|
|
lib: true
|
|
|
|
This file allows scriptcraft admins to turn on or off re-unzipping of the `modules`,
|
|
`plugins` and `lib` folders when deploying a new version of
|
|
ScriptCraft. It's strongly recommended that the `lib` directory always
|
|
be set to true to get the latest core ScriptCraft code . The modules
|
|
and plugins directories are optional and not part of ScriptCraft core.
|
|
|
|
# Further Reading
|
|
|
|
ScriptCraft has [its own website][website] with further information.
|
|
|
|
* To get started using ScriptCraft to Learn JavaScript, read [The Young Person's Guide to Programming in Minecraft][yp].
|
|
* The ScriptCraft [API documentation][api].
|
|
* To delve deeper into creating your own minecraft mod for use by others, read [Creating a complete Minecraft Mod in JavaScript][mm].
|
|
* Take a look at some [examples][ex].
|
|
* Buy the Official ScriptCraft Book [A Beginner's Guide to Writing Minecraft Plugins in Javascript][book].
|
|
|
|
<a href="http://www.amazon.co.uk/gp/product/0133930149/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0133930149&linkCode=as2&tag=walthigg-21&linkId=P3LLGB3WTATW57AZ"><img border="0" src="http://ws-eu.amazon-adsystem.com/widgets/q?_encoding=UTF8&ASIN=0133930149&Format=_SL250_&ID=AsinImage&MarketPlace=GB&ServiceVersion=20070822&WS=1&tag=walthigg-21" ></a><img src="http://ir-uk.amazon-adsystem.com/e/ir?t=walthigg-21&l=as2&o=2&a=0133930149" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />
|
|
|
|
You can find more information about [ScriptCraft on my blog][blog].
|
|
|
|
# Additional Resources
|
|
|
|
CoderDojo Athenry have some [excellent tutorials][cda] for younger
|
|
programmers who have used [Scratch][scr] and are interested in Modding
|
|
Minecraft using JavaScript. In particular, they have an excellent
|
|
[Scratch - to - JavaScript][sj] tutorial which explains Scratch
|
|
programs and how to do the same thing in JavaScript.
|
|
|
|
I highly recommend the series of [tutorials provided by CoderDojo Athenry][cda].
|
|
|
|
Developer Chris Cacciatore has created some interesting tools using ScriptCraft:
|
|
|
|
* [A wolf-bot][wb]
|
|
* [L-Systems (Large-scale fractal structures in Minecraft)][ls]
|
|
|
|
# Docker
|
|
|
|
To launch a container with SpigotMC and ScriptCraft you can just do
|
|
|
|
docker run -p 25565:25565 -it tclavier/scriptcraft
|
|
|
|
You can find all files used to build this container in github project: [docker-scriptcraft](https://github.com/tclavier/docker-scriptcraft)
|
|
|
|
|
|
[wb]: https://github.com/cacciatc/wolfbot
|
|
[ls]: https://github.com/cacciatc/scriptcraft-lsystems
|
|
|
|
[blog]: http://walterhiggins.net/blog/cat-index-scriptcraft.html
|
|
[yp]: docs/YoungPersonsGuideToProgrammingMinecraft.md
|
|
[mm]: docs/Anatomy-of-a-Plugin.md
|
|
[api]: docs/API-Reference.md
|
|
[website]: http://scriptcraftjs.org/
|
|
[cd]: http://coderdojo.com/
|
|
[scr]: http://scratch.mit.edu/
|
|
[cda]: http://cdathenry.wordpress.com/category/modderdojo/
|
|
[ytpl]: http://www.youtube.com/watch?v=DDp20SKm43Y&list=PL4Tw0AgXQZH5BiFHqD2hXyXQi0-qFbGp_
|
|
[ex]: src/main/js/plugins/examples
|
|
[contrib]: contributing.md
|
|
[sj]: http://cdathenry.wordpress.com/2013/10/12/modderdojo-week-2-moving-from-scratch-to-javascript/
|
|
[book]: http://www.peachpit.com/store/beginners-guide-to-writing-minecraft-plugins-in-javascript-9780133930146
|