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Tuubes for Minecraft

License: GNU Lesser General Public License v3.0

Scala 7.65% Java 92.35%

tuubes minecraft minecraft-server

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Handle the player connection

Basic packets auto generated for MC 1.12.2
Network system improved and bugs fixed
Handshake, status request and login request handled
Chunk management
Send 7x7 chunks around the spawn location, after LoginSuccess is sent

NBT Library?

Which library should I choose?
I need one that works with Niol as simply as possible.

Wrong packet size

Got size 2048 for the first packet sent by the client, which is obviously wrong.

Autogen packet classes from data

Let's try to use minecraft-data.

Create modules common and 1.12

I'll focus on MC 1.12 for now.

Separate packet handlers from packet classes

The packet classes may be frequently re-generated with DataTractor, so the packet handlers should be separated to avoid losing work.

Build a fat jar

Create a github project in the Tuubes organization

In order to track the overall progress of the project for the next release.

Update tuubes-core

Setup project with gradle + submodule

Make a gradle build for Tuubes and add TuubesCore as a git subproject and gradle submodule on which TuubesCraft depends.

PacketRegistry trait

PacketConstructor[A <: Packet] : NiolBuffer => A
get packet constructor NiolBuffer => A by id
register packet

Write a nice readme

With TuubesCraft logo and so on.

Type-safe packet builder

Example of how this could be done :

class PacketSomething(var number: Int, var infos: String)
class PacketSomethingBuilder[P <: PacketSomething] {
  private var number: Int = _
  private var infos: String = _

  def withNumber(n: Int): Builder[P with Number] {
    number=n
    this.asInstanceOf[Builder[P with Number]]
  }
  def withInfos(s: String): Builder[P with Infos] {
    infos=s
    this.asInstanceOf[Builder[P with Infos]]
  }
  def build()(implicit evidence: P =:= Complete) {
    new PacketSomething(number, infos)
  }
object PacketSomethingBuilder {
  sealed trait Number
  sealed trait Infos
  type Complete = PacketSomething with Number with Infos
}

We could also provide a way to construct a NiolBuffer directly, if the performance benefit is worth it.

Crash when loading TuubesCraft 1.12

00:44:10 DEBUG [main] TuubesCore: Creating an instance of each plugin
Exception in thread "main" java.lang.ExceptionInInitializerError
	at org.tuubes.craft.mc1_12.TuubesCraft1_12.<init>(TuubesCraft1_12.scala:8)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at java.lang.Class.newInstance(Class.java:442)
	at org.tuubes.core.plugins.ScalaPluginLoader.$anonfun$load$8(ScalaPluginLoader.scala:70)
	at scala.collection.TraversableLike$WithFilter.$anonfun$foreach$1(TraversableLike.scala:789)
	at scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:59)
	at scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:52)
	at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
	at scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:788)
	at org.tuubes.core.plugins.ScalaPluginLoader.load(ScalaPluginLoader.scala:65)
	at org.tuubes.core.TuubesServer$.main(TuubesServer.scala:36)
	at org.tuubes.core.TuubesServer.main(TuubesServer.scala)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 254
	at scala.runtime.ScalaRunTime$.array_update(ScalaRunTime.scala:71)
	at com.electronwill.collections.ArrayMap.update(ArrayMap.scala:38)
	at org.tuubes.craft.MinecraftProtocol.registerPacket(MinecraftProtocol.scala:17)
	at org.tuubes.craft.mc1_12.handshaking.HandshakingProtocol$.<init>(HandshakingProtocol.scala:9)
	at org.tuubes.craft.mc1_12.handshaking.HandshakingProtocol$.<clinit>(HandshakingProtocol.scala)
	... 15 more

Implement a Niol ClientAttach

Implement a Niol ClientAttach MinecraftClientAttach that uses a PacketRegistry depending on the current protocol and protocol state.

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