Intermediate BUKKIT plugin Tutorial

Discussion in 'Resources' started by Samkio, Jan 26, 2011.

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    <font color="rgb(51, 102, 255)">Intermediate BUKKIT plugin Tutorial</font>

    This tutorial is the pre-sucessor of Basic BUKKIT plugin tutorial found here.

    In this tutorial i will teach you how to make directories,datafiles,properties files and general Java stuff. In the tutorial we make an economy plugin. :)



    First up links:
    Latest BUKKIT:
    Java SE:

    Source (Fully Annotated):
    <Edit by Moderator: Redacted mediafire url>

    <font color="rgb(0, 0, 255)">Feel free to PM me any questions you have </font>:)
    Last edited by a moderator: Dec 15, 2016
    Overfiend likes this.
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    About time ;) haha.
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    Thanks for this
    It is very helpful
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    This is a great tutorial.

    Very helpful.
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    Thank you very much for this tutorial. Pacing and explanation are just right for people who are learning. Don’t change it if you ever do more tutorial. And I hope you do.

    And as a proposition [​IMG] I would like a tutorial on creating a recipe with 2 objects creating a new one. It could be 3 items that already exist in minecraft to skip creating a picture or model for the new items. Something like (water bucket + lava bucket = obsidian block).

    But thanks anyway for this great tutorial.
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    Not sure if that that is possible at the moment will look into it.
    Howerer i will be doing another tutorial which i hope to implement Sql and php to send stats to a website for instance.
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    Could you add some links in this topic to the video, where a certain section begins? Like so:

    Btw, you don't have to check the existence of a file before calling File.createNewFile():
    Good work!
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    This one is soooooo much better than the first one.
    Now you are typing everything so anybody can follow it!
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    I will do this! :)
    I didn't know you didnt have to check! Thanks :D

    Thanks glad you found it helpful! :)
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    It is better that you type the majority of the code.
    Makes it easier for people to follow ;)
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    Thanks :D
    Takes longer but i hope it is beneficial to viewers.
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    I get this error when I try to run it:
    Feb 1, 2011 11:09:37 AM org.bukkit.plugin.SimplePluginManager loadPlugins
    SEVERE: Could not load plugins/MyEcon.jar in plugins: null
        at org.bukkit.plugin.SimplePluginManager.loadPlugin(
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(
        at org.bukkit.craftbukkit.CraftServer.loadPlugins(
        at net.minecraft.server.MinecraftServer.e(
        at net.minecraft.server.MinecraftServer.c(
        at net.minecraft.server.MinecraftServer.d(
    Caused by: java.lang.ClassNotFoundException: com.bukkit.DanielR.MyEcon
        at Method)
        at java.lang.ClassLoader.loadClass(
        at java.lang.ClassLoader.loadClass(
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(
        ... 8 more
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    This tutorial was great! I learned tons. Now I feel I can wade through the JavaDocs and make me something of my own, thanks!
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    Glad you found it helpful :D
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    Thanks for this (and the basic one), very useful!
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    Do you have any tips on next steps? I know there's the javadocs, but I find those not that useful with the lack of in-code use examples. (not neccicarily a full example program) are the javadcs my only option?
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    Java docs are a good source.
    But also try other plugins source code. To learn how they have done things. :)
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    I'm following along making a cuboid plugin instead of a economy plugin, but when I get to the player listener file, Eclipse gives me errors on the sidebar saying that my main file cannot be resolved into a type. This is on the declaration of the plugin variable (first line inside the playerlistener class on your source code) and wereever it's called. I'm looking at my main file and I can't see how it's different from yours!
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    @Colecf normally due to spelling/captilisation differences.
    Make sure the variables are the same.
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    I copied and pasted the main file name and it still doesn't work :( Were's the declaration for the main file class? Is it the constructor?
  21. Im sorry i'm new at programing, this tutorial seems great so far, it's helping me alot, but I havent started yet because I want to make sure: I cant seem to be able to download Java SDK on mac... will this still work?
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    @fofogogo23 Java is the same on all platforms thats what makes Java, Java. :)
    I do not work with MAC but i think there is an OS X version or a Mac alternative somewhere.
  23. Oh ok :) Thanks, but anyways I give up, I can make the economy plugin in your tutorial fine... since I copy exactly what you do xD Without copying you I'd be lost, so I give up trying to program plugins xD But thanks anyways, great tutorial. I actually learned alot of stuff. I just wouldnt be able to do something epic :)
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    Ah, found my problem. Somehow I made my playerlistener class file in the wrong project, and so it imported the wrong package. :p
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    Noob guidance request-
    I am looking for advice from experienced bukkit plugin folks on what programming related details I should pay particularly close attention to in the tutorials as I joust my windmill: a new mob.

    In other words, please provide advice on the keywords, classes, issues, and steps I need to look for in the tutorials that will later tie into my goal of creating a new mob (or re-purposing an existing mob)
    [Yes, if I re-purpose an existing mob I'll hack a way to get the benefit it provides. Squid for example: I'd use bukkit plugin EssentialEco sign trading to let players get ink sacs]

    1) I know there ain't no such thing as a free lunch (not asking you to make a plugin for me and I've searched but not found what I am looking for in existing bukkit plugins)
    2) I recognize I am a naive-to-what-it-will-take noob, but like many noobs, like to think I might get it to work (demonstrating just how naive I am)
    3) I will begin by going through the tutorials and other links mentors might provide
    4) I will actually try to listen to advice and follow along with examples
    5) I'll try to figure out things myself before asking whomever does provide me advice.
    6) I'm not a complete noob, I admin a small scale SMP for my private LAN at home (four of us in the family), am comfortable enough with the CLI (linux based MineOS is a beautiful thing), and can suss out at the more simple parts of what goes on in various bukkit plugins I run on my SMP (Essentials, Fly-Ridge-Fly, VoxelPort, VoxelSnipe, Tombstone, DynMap).

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    Creating new mobs/blocks/textures etc would require both a sever side modification and a client side modification.
    With someone with no experience I do not recommend trying it.
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    Ah, someone finally confirms what I've been thinking! So, how would I go about adding obsidian tools to servers? (BTW, I know this isn't really possible with the plugin interface. The API just isn't there for importing custom items. I've tried already :D) I've gone through the process of adding the items (ingot, tools, sword) to the client (and tested them in single-player. They pretty much work, except for the desired increase in speed (they also don't show any names...)). But when I try to add them in a server (same code changes, same files) it gives me "Error: null" when I try to do /item etc... Any suggestions?
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    Is is as simple as the item not being on the database.
    /item command not working?
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    It seems to be that they're not in the database, because TooManyItems doesn't even show them but I don't know what database you're referring to... TooManyItems shows that it's there in the client (though it doesn't give them names), but the server acts as if I hadn't added anything to the Items list.
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    public MoneyBukkit(PluginLoader pluginLoader, Server instance,
                PluginDescriptionFile desc, File folder, File plugin,
                ClassLoader cLoader) {
            super(pluginLoader, instance, desc, folder, plugin, cLoader);
    I'm sure you know that's deprecated, but here's the fixed version on my host:
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