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Minecraft Bedrock Edition server software written in Go

Home Page: https://discord.gg/U4kFWHhTNR

License: MIT License

Go 100.00%

minecraft mcpe-server mcpe go golang df-mc bedrock-edition minecraft-bedrock-edition minecraft-server hacktoberfest

dragonfly's Introduction

Dragonfly

Dragonfly is a heavily asynchronous server software for Minecraft: Bedrock Edition written in Go. It was written with scalability and simplicity in mind and aims to make the process of setting up a server and modifying it easy. Unlike other Minecraft server software, Dragonfly is generally used as a library to extend.

Getting started

Running Dragonfly requires at least Go 1.21. After starting the server through one of the methods below, ctrl+c may be used to shut down the server. Also check out the wiki for more detailed info.

Installation as library

go mod init github.com/user/module
go get github.com/df-mc/dragonfly

Installation of the latest commit

git clone https://github.com/df-mc/dragonfly
cd dragonfly
go run main.go

Developer info

Dragonfly features a well-documented codebase with an easy-to-use API. Documentation may be found here and in the subpackages found by clicking Directories.

Publishing your project on GitHub? Consider adding the #df-mc topic to your repository and opening a pull request at df-wiki adding your project as a Community Project to improve its visibility.

Contributing

Contributions are very welcome! Issues, pull requests and feature requests are highly appreciated. Opening a pull request? Consider joining our Discord server to discuss your changes! Also have a read through the CONTRIBUTING.md for more info.

dragonfly's People

Contributors

Stargazers

Watchers

Forkers

catdontpat ogfris aria723 nesqyk liatoast andreashgk jviguy akeawesome kris-driv py354 rushnationnet sunproxy xavierlvll petercb spaceydadragon racerxdl endermanbugzjfc fetxu ron-wolf einbexiii thunder33345 hexcolors60 unickorn rac14 unknownore royalmcpe sallypemdas trendingtechnology mdisprgm tigerza117 diliard neutronicmc b-z-web-developing-inc minecraft-python cyberflamego atm85 jaapieaapie1 mohamed587100 mmm545 kawaiinahida egor-erm gukkit civiledcode grapedevs debanmc nathanejohnson valiantpractice narcvy crnw-dev tristanmorgan thedigitaloctopus argentnp floramcbe xerenahmed airplanemc abimek flonja ethaniccc vasar-network imdarealani cqdetdev fieryswampshire xd-pro olebeck digital-octopus-dev ckfanzhe kingofturkey38 t14raptor ryunaes tadhunt uramnoil kingdomscraftpe zeqanetwork colemancda javierleon9966 indianbartonka entefanphp ibryanidk kpfaulkner ialdrich23xx sexmc 0x00032 jjwinters riccskn radiatedmonkey tcvp akmalfairuz didntpot x4caa zsfell davidxdgm iq-scm lightyisreal itzmaipianx wqrro kju196 negesis23 moyai-network mcapocalypse idotclub

dragonfly's Issues

Implement floating text

At the moment, there is no floating text in dragonfly. Since a lot of servers use these, it would be a great addition for dragonfly to have built-in support for these somewhere in the future!

Server freezes on shutdown

After commit c42fbe9, the server consistently freezes on shutdown after the message Saving chunks in memory to disk. This has to be resolved in one way or another before release.

Clean up light calculation and make it flexible enough to use for light updates.

Sort block hashes generated in the hash.go file

cmd/blockhash currently generates the hash.go file in a completely random order by simply iterating over the created map. This causes every commit implementing a new block to have a massive diff and often results in merge conflicts when two people implement different blocks at the same time. Sorting these hashes alphabetically by the types' names should resolve this issue.

1.17 worlds cannot be loaded due to missing level.dat fields

Implement projectiles

There's no projectile on DF for the moment and.. for servers like mine where pvp is based on splashing potions we're kind of stuck and can't really release my server.

Teleporting a player multiple times per second reverts some teleports

(As discussed in the discord)
When teleporting a player multiple times per second, not all teleports seem to work. The player 'lags behind' where it actually should be, or they get teleported back somehow. This seems to happen to players with high ping.

Clients can not view player sneaking state

Players can not view others sneaking.

Add player data storing to dragonfly

Placeable consumable items have problems

Implementing the Consumable and UseOnBlock interface causes the UseBlockOn to not place the block.
If the consumable item is used on a block it also doesn't stop consuming the item

Implement runtime command updating

Commands currently cannot be updated during runtime. Having some system that could do this would make commands much more useful. This would also include enum updating. One way to do this might be to periodically do updates where needed: Have a ticker and build the available commands packet every time. Compare vs the last available commands packet, and check if there were changes. If so, send the updated packet.

Implement entity saving to disk

Right now, entity saving is still a TODO. Would probably work to have an EncodeNBT method for entities or something along those lines.

Block breaking not correctly handled server-side

Attempting to break blocks in survival mode with a tool in hand is not handled correctly by the server. The error message *packet.PlayerAuthInput: unknown value '9' for enum type 'stack request action type' is shown.

Have an interface that blocks that can have vegetation on them can implement

Currently blocks that can have vegetation (grass, dirt) are hardcoded. If we add an interface with a method like such:

type <SomeNameForBlocksThatServeAsSoilForVegetation> interface {
    SoilFor(b world.Block) bool
}

this is more flexible for new blocks and allows us to implement the same interface for blocks that can have different blocks they can be planted on, such as nether roots and mushrooms.

Quality of life fixes for commands

Having one command usage with an optional argument and one without that argument will always cause one of the two to be executed. What should happen here? Make sure to document whatever behavior we decide on.

Retain values of unexported fields.
Reject commands in the above case.

Update to Minecraft v1.17

Improve the README

The README has out of date information on it and doesn't look very appealing to new visitors. It should probably also have the "Chat on Discord" button higher up so people see the button more quickly.

Fall damage only gets applied after manually moving

When I fall down, my player does not take fall damge. However, once I move the player around the fall damage does apply.
It seems like this issue occurs after switching from creative mode to survival mode

Steps to reproduce
These are the exact steps I followed in order to get this issue:

set gamemode to creative and fly up
change gamemode to survival, causing the player to fall
land on the ground without taking damage
move around, the player will suddenly take damage

Version
This was tested on the latest commit at this time ( a52f18e )

Chunks are sometimes not loaded properly

Rarely, chunks will not be loaded or sent to the client properly. A way to reproduce it sometimes seems to be by setting your view distance to the max first, letting chunks load, then setting it to the minimum and setting it back to the maximum again. Chunks will fail to load sometimes. It seems more complicated chunks (more (different?) blocks) have this issue more often, but that has not yet been confirmed.

Goroutine blocking when player provider is disabled

Expected result: Server works as usual after disabling the player provider in config.toml
Actually result: Player spawn under bedrock, server stop responding to events like block breaking / placing, player movements...

Dumped goroutine


Goroutine 1
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.chanrecv (/usr/local/go/src/runtime/chan.go:576)
  runtime.chanrecv2 (/usr/local/go/src/runtime/chan.go:444)
  github.com/df-mc/dragonfly/server.(*Server).Accept (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/server.go:103)
  main.main (/Users/Eurus/Documents/Development/DragonFly/ZSMC-df/main.go:41)
  runtime.main (/usr/local/go/src/runtime/proc.go:225)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: runtime.rt0_go (/usr/local/go/src/runtime/asm_amd64.s:226)

Goroutine 2
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.goparkunlock (/usr/local/go/src/runtime/proc.go:342)
  runtime.forcegchelper (/usr/local/go/src/runtime/proc.go:276)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: runtime.init.6 (/usr/local/go/src/runtime/proc.go:264)

Goroutine 3
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.gcBgMarkWorker (/usr/local/go/src/runtime/mgc.go:1911)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: runtime.gcBgMarkStartWorkers (/usr/local/go/src/runtime/mgc.go:1835)

Goroutine 4
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/sandertv/gophertunnel/minecraft.(*Listener).listen.func1 (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/minecraft/listener.go:177)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/sandertv/gophertunnel/minecraft.(*Listener).listen (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/minecraft/listener.go:173)

Goroutine 5
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.chanrecv (/usr/local/go/src/runtime/chan.go:576)
  runtime.chanrecv2 (/usr/local/go/src/runtime/chan.go:444)
  github.com/sandertv/gophertunnel/minecraft.newConn.func1 (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/minecraft/conn.go:155)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/sandertv/gophertunnel/minecraft.newConn (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/minecraft/conn.go:152)

Goroutine 6
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/sandertv/go-raknet.(*Conn).ReadPacket (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/conn.go:282)
  github.com/sandertv/gophertunnel/minecraft/protocol/packet.(*Decoder).Decode (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/minecraft/protocol/packet/decoder.go:82)
  github.com/sandertv/gophertunnel/minecraft.(*Listener).handleConn (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/minecraft/listener.go:243)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/sandertv/gophertunnel/minecraft.(*Listener).createConn (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/minecraft/listener.go:220)

Goroutine 8
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/df-mc/dragonfly/server/session.(*Session).sendChunks (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/session/session.go:249)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/df-mc/dragonfly/server/session.(*Session).handlePackets (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/session/session.go:228)

Goroutine 18
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.goparkunlock (/usr/local/go/src/runtime/proc.go:342)
  runtime.bgsweep (/usr/local/go/src/runtime/mgcsweep.go:182)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: runtime.gcenable (/usr/local/go/src/runtime/mgc.go:217)

Goroutine 19
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.goparkunlock (/usr/local/go/src/runtime/proc.go:342)
  runtime.bgscavenge (/usr/local/go/src/runtime/mgcscavenge.go:314)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: runtime.gcenable (/usr/local/go/src/runtime/mgc.go:218)

Goroutine 20
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.gcBgMarkWorker (/usr/local/go/src/runtime/mgc.go:1911)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: runtime.gcBgMarkStartWorkers (/usr/local/go/src/runtime/mgc.go:1835)

Goroutine 21
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.gcBgMarkWorker (/usr/local/go/src/runtime/mgc.go:1911)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: runtime.gcBgMarkStartWorkers (/usr/local/go/src/runtime/mgc.go:1835)

Goroutine 22
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/df-mc/dragonfly/server/world.(*World).startTicking (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/world/world.go:1093)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/df-mc/dragonfly/server/world.New (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/world/world.go:102)

Goroutine 23
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/df-mc/dragonfly/server/world.(*World).chunkCacheJanitor (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/world/world.go:1782)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/df-mc/dragonfly/server/world.New (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/world/world.go:103)

Goroutine 24
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  runtime.ensureSigM.func1 (/usr/local/go/src/runtime/signal_unix.go:889)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: runtime.ensureSigM (/usr/local/go/src/runtime/signal_unix.go:872)

Goroutine 25
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/df-mc/goleveldb/leveldb.(*DB).compactionError (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/leveldb/db_compaction.go:91)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/df-mc/goleveldb/leveldb.openDB (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/leveldb/db.go:148)

Goroutine 26
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/df-mc/goleveldb/leveldb.(*DB).mpoolDrain (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/leveldb/db_state.go:101)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/df-mc/goleveldb/leveldb.openDB (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/leveldb/db.go:149)

Goroutine 27
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/df-mc/goleveldb/leveldb.(*DB).tCompaction (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/leveldb/db_compaction.go:836)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/df-mc/goleveldb/leveldb.openDB (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/leveldb/db.go:155)

Goroutine 28
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/df-mc/goleveldb/leveldb.(*DB).mCompaction (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/leveldb/db_compaction.go:773)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/df-mc/goleveldb/leveldb.openDB (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/leveldb/db.go:156)

Goroutine 29
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.netpollblock (/usr/local/go/src/runtime/netpoll.go:438)
  internal/poll.runtime_pollWait (/usr/local/go/src/runtime/netpoll.go:222)
  internal/poll.(*pollDesc).wait (/usr/local/go/src/internal/poll/fd_poll_runtime.go:87)
  internal/poll.(*pollDesc).waitRead (/usr/local/go/src/internal/poll/fd_poll_runtime.go:92)
  internal/poll.(*FD).ReadFrom (/usr/local/go/src/internal/poll/fd_unix.go:222)
  net.(*netFD).readFrom (/usr/local/go/src/net/fd_posix.go:61)
  net.(*UDPConn).readFrom (/usr/local/go/src/net/udpsock_posix.go:47)
  net.(*UDPConn).ReadFrom (/usr/local/go/src/net/udpsock.go:118)
  github.com/sandertv/go-raknet.(*Listener).listen (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/listener.go:141)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/sandertv/go-raknet.ListenConfig.Listen (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/listener.go:76)

Goroutine 30
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.chanrecv (/usr/local/go/src/runtime/chan.go:576)
  runtime.chanrecv2 (/usr/local/go/src/runtime/chan.go:444)
  github.com/sandertv/go-raknet.(*Listener).Accept (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/listener.go:95)
  github.com/sandertv/gophertunnel/minecraft.(*Listener).listen (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/minecraft/listener.go:191)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/sandertv/gophertunnel/minecraft.ListenConfig.Listen (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/minecraft/listener.go:108)

Goroutine 31
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.chanrecv (/usr/local/go/src/runtime/chan.go:576)
  runtime.chanrecv2 (/usr/local/go/src/runtime/chan.go:444)
  github.com/sandertv/gophertunnel/minecraft.(*Listener).Accept (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/minecraft/listener.go:128)
  github.com/df-mc/dragonfly/server.(*Server).run (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/server.go:332)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/df-mc/dragonfly/server.(*Server).Start (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/server.go:155)

Goroutine 34
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.goparkunlock (/usr/local/go/src/runtime/proc.go:342)
  runtime.runfinq (/usr/local/go/src/runtime/mfinal.go:175)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: runtime.createfing (/usr/local/go/src/runtime/mfinal.go:156)

Goroutine 35
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.gcBgMarkWorker (/usr/local/go/src/runtime/mgc.go:1911)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: runtime.gcBgMarkStartWorkers (/usr/local/go/src/runtime/mgc.go:1835)

Goroutine 36
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/sandertv/go-raknet.(*Conn).startTicking (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/conn.go:125)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/sandertv/go-raknet.newConn (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/conn.go:113)

Goroutine 38
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/sandertv/gophertunnel/minecraft.(*Conn).ReadPacket (/Users/Eurus/go/pkg/mod/github.com/sandertv/[email protected]/minecraft/conn.go:335)
  github.com/df-mc/dragonfly/server/session.(*Session).handlePackets (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/session/session.go:230)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/df-mc/dragonfly/server/session.(*Session).Start (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/session/session.go:147)

Goroutine 50
  runtime.asmcgocall (/usr/local/go/src/runtime/asm_amd64.s:653)
  runtime.libcCall (/usr/local/go/src/runtime/sys_libc.go:48)
  runtime.read (:0)
  runtime.sigNoteSleep (/usr/local/go/src/runtime/os_darwin.go:120)
  os/signal.signal_recv (/usr/local/go/src/runtime/sigqueue.go:165)
  os/signal.loop (/usr/local/go/src/os/signal/signal_unix.go:23)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: os/signal.Notify.func1.1 (/usr/local/go/src/os/signal/signal.go:151)

Goroutine 51
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.chanrecv (/usr/local/go/src/runtime/chan.go:576)
  runtime.chanrecv1 (/usr/local/go/src/runtime/chan.go:439)
  github.com/df-mc/dragonfly/server.(*Server).CloseOnProgramEnd.func1 (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/server.go:295)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/df-mc/dragonfly/server.(*Server).CloseOnProgramEnd (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/server/server.go:294)

Goroutine 52
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/df-mc/goleveldb/leveldb/util.(*BufferPool).drain (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/leveldb/util/buffer_pool.go:206)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/df-mc/goleveldb/leveldb/util.NewBufferPool (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/leveldb/util/buffer_pool.go:237)

Goroutine 53
  runtime.gopark (/usr/local/go/src/runtime/proc.go:337)
  runtime.selectgo (/usr/local/go/src/runtime/select.go:327)
  github.com/df-mc/goleveldb/leveldb.(*session).refLoop (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/leveldb/session_util.go:189)
  runtime.goexit (/usr/local/go/src/runtime/asm_amd64.s:1371)
  created at: github.com/df-mc/goleveldb/leveldb.newSession (/Users/Eurus/go/pkg/mod/github.com/df-mc/[email protected]/leveldb/session.go:93)

Environment

DragonFly: 0.1.0 4b13a4f and 0.1.1 6c0574a
OS: macOS Big Sur (Intel) version 11.4
Go: 1.16
Client: 1.17.2

Implement crafting

Right now there isn't any crafting which is a part of the game minecraft which is pretty problematic

World loading / closing got stuck (on mac os)

The world neither loads nor close successfully.

When a player joins, no chunks will be sent to the client.

When the server shuts down, it stuck at the closing world state.

Not sure if this is an issue with macOS or this will also happen to other operating systems.

How to reproduce

Git clone https://github.com/df-mc/template
Execute command go run main.go
Join the server with an MCBE client
Press ctrl+c

Environment

DragonFly: v0.0.5 (e073ce8)
Operating system: macOS Big Sur 11.4
Minecraft Bedrock Edition: 1.16.221 (Protocol 431)

config.toml

[Network]
  Address = ":19132"

[Server]
  AuthEnabled = true
  JoinMessage = "%v has joined the game"
  MaximumPlayers = 0
  Name = "Dragonfly Server"
  QuitMessage = "%v has left the game"
  ShutdownMessage = "Server closed."

[World]
  Folder = "world"
  MaximumChunkRadius = 32
  Name = "World"
  SimulationDistance = 8

world.zip

https://github.com/df-mc/dragonfly/files/6585096/world.zip
(Also tried deleting the world and generate a new one, but the issue still occurs)

cmd.Allower: Don't send commands that are not allowed to a player

cmd.Allower does not currently influence what commands are sent to the player and which are not. This is an issue for permission systems and should be improved.

Make Dragonfly accept any logger that implements an interface

Currently Dragonfly only accepts Logrus loggers for logging. This isn't ideal for obvious reasons. We should probably have a logger interface somewhere and accept any value that implements it.

Clean up tall grass block types

The tall grass block is a bit of a mess. The awkward fusion of blocks that can have a double block version and can't just does not work and is rather confusing. This should probably be split up into a couple of other types.

Add a method to strike lightning in the world

Lightning has traditionally been an entity, but it would probably be better if there was a simple method to strike lightning in a world. Something like (*world.World).StrikeLightning(pos) might work.

Cleaner main file

Hi, I feel like these functions should just be checked in the srv.Start() function, it would make the main file look less all over the place. I know I could just add this check into another function but I think it should be in the srv.Start() function by default.

Implement functional enchantments

Currently, we only have a API for enchants and a protection enchant with no functionality.

Problem with player transfer.

edit: the code I used:

Hi, I found an issue with the player transfer function.

What I expect is: the player get transferred to the server I want (which in this case is nozzle.wtf:19132)

What actually happened: The transfer function closes player's session which disconnects the player with the message:

I tried removing the close function and everything was working! so I think we should either remove this function in the transfer or just find another way to close the session of the player without preventing the player from being transferred

Attacking a falling block directly after creating it kicks you

When letting a block, like sand, fall and punching the falling block entity while it falls, the server kicks you with the message:

DEBU[1341] failed processing packet from xx.xxx.xxx.xxx:xxxxx (Sandertv): *packet.InventoryTransaction: invalid entity interaction: no entity found with runtime ID 13

It seems to be unable to find the entity that was spawned even though it should be present.

Generate/load chunks and calculate light without keeping the chunks mutex locked

When chunks are generated, the mutex protecting the chunk map is locked for the entire duration. This is rather inefficient as the chunks map does not need to be protected for that duration and slow generation code will hog access to the map.

Kelp block issue

Got this from content logs.

Entity registry system

This will be needed for entity saving (#143) and possibly for other things. Not too sure how this should look, but it should be put in the world package.

Make world height changeable with a constant

World height (and depth) is currently hardcoded in a large amount of places throughout the codebase. We should make all these places use constants so that we can make an easy transition in the event of a world height (or depth) change.

no way

Player move method doesn't keep position locked, causing potential race conditions

Implement raw iron and gold and change ores accordingly

The 1.17 update introduces raw iron and gold you get from mining the respective ores. Currently these ores drop themselves as per the old functionality.

Add support for capes

This shouldn't be difficult at all, a struct for capes already exists, we just have to parse cape data from the player's client data and manage it like with skins.

Have to move to die

Hi, I think I just found a bug, I don't know if it only happends when you die of fall damages but it happends. Here's a video that shows the bug: https://youtu.be/bNJVRKGEvDk

Implement runtime player skin changing

Skin changes are currently not handled, so changing skin in-game won't allow other people to see it. *packet.PlayerSkin should have a handler to handle skin changes.

Skin changing should probably have a HandleSkinChange(old, new) method in the player.Handler so that people can listen for skin changes.

One thing to consider is that skin changes should be propagated to all players. We could either send the new skin to all connected sessions, or we could send a *packet.PlayerSkin only to viewers of the player that changes skin and always send a *packet.PlayerSkin when a player sees another player after it entering the view distance.

Chunks are sometimes not saved properly

Under some circumstances, chunks seem not to be saved properly, causing them to be regenerated after being edited.

Finish sign implementation

The sign implementation at feature/signs requires some minor changes to the way the rotation + wall/standing is structured. With some other small changes this should be ready to be merged into master.

Varargs error

Hi, I found a little issue with Varargs, here's the whole error:

And here's my command:

Implement chest pairing

Double chests

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Error

DEBU[0092] failed processing packet from 
x.x.x.x:55750 (Endermanbugzjfc): *packet.InventoryTransaction: unhandled inventory transaction type *protocol.MismatchTransactionData

Expected result: Item got set and inventory is synchronous between server and client
Actual result: The error sometimes occur, depending on the network, delay of code execution, and of course luck

Reproduce

Run player.Player.Inventory().SetItem() right after server.Server.Accept()

Environment

DragonFly: 0.1.0 4b13a4f
OS: macOS Big Sur (Intel) version 11.4
Network: Shitty school WiFi
Go: 1.16
Client: 1.17.2

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Dumped goroutine

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When a player joins, no chunks will be sent to the client.

When the server shuts down, it stuck at the closing world state.

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config.toml

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