format repo with "gofumpt" tool

bot/basic/info.go

@@ -1,9 +1,10 @@
 package basic
 
 import (
-	"github.com/Tnze/go-mc/chat"
 	"unsafe"
 
+	"github.com/Tnze/go-mc/chat"
+
 	"github.com/Tnze/go-mc/data/packetid"
 	"github.com/Tnze/go-mc/nbt"
 	pk "github.com/Tnze/go-mc/net/packet"
@@ -148,6 +149,7 @@ func (p *Player) handleLoginPacket(packet pk.Packet) error {
 	}
 	return nil
 }
+
 func (p *Player) handleRespawnPacket(packet pk.Packet) error {
 	var copyMeta bool
 	err := packet.Scan(

bot/chat/chat.go

@@ -79,7 +79,9 @@ func (p *PlayerMessage) ReadFrom(r io.Reader) (n int64, err error) {
 	var timestamp pk.Long
 	var unsignedContent chat.Message
 	n, err = pk.Tuple{
-		&hasMsgSign, pk.Opt{Has: &hasMsgSign,
+		&hasMsgSign,
+		pk.Opt{
+			Has:   &hasMsgSign,
 			Field: (*pk.ByteArray)(&p.signature),
 		},
 		(*pk.UUID)(&p.sender),
@@ -88,7 +90,9 @@ func (p *PlayerMessage) ReadFrom(r io.Reader) (n int64, err error) {
 		&timestamp,
 		(*pk.Long)(&p.salt),
 		pk.Array(&p.prevMessages),
-		&hasUnsignedContent, pk.Opt{Has: &hasUnsignedContent,
+		&hasUnsignedContent,
+		pk.Opt{
+			Has:   &hasUnsignedContent,
 			Field: &unsignedContent,
 		},
 		(*pk.VarInt)(&p.filterType),

bot/event.go

@@ -35,12 +35,14 @@ func (e *Events) AddGeneric(listeners ...PacketHandler) {
 	}
 }
 
-type PacketHandlerFunc func(p pk.Packet) error
-type PacketHandler struct {
+type (
+	PacketHandlerFunc func(p pk.Packet) error
+	PacketHandler     struct {
 		ID       packetid.ClientboundPacketID
 		Priority int
 		F        func(p pk.Packet) error
 	}
+)
 
 // handlerHeap is PriorityQueue<PacketHandlerFunc>
 type handlerHeap []PacketHandler

bot/example_test.go

@@ -1,9 +1,9 @@
 package bot
 
 import (
+	"encoding/hex"
 	"log"
 
-	"encoding/hex"
 	"github.com/Tnze/go-mc/offline"
 	"github.com/Tnze/go-mc/yggdrasil"
 )
@@ -33,10 +33,7 @@ func ExampleClient_JoinServer_offline() {
 	log.Println("Login success")
 
 	// Register event handlers
-	// 	c.Events.GameStart = onGameStartFunc
-	// 	c.Events.ChatMsg = onChatMsgFunc
-	// 	c.Events.Disconnect = onDisconnectFunc
-	//	...
+	// c.Events.AddListener(...)
 
 	// JoinGame
 	err = c.HandleGame()

bot/mcbot.go

@@ -22,8 +22,10 @@ import (
 )
 
 // ProtocolVersion is the protocol version number of minecraft net protocol
-const ProtocolVersion = 760
-const DefaultPort = mcnet.DefaultPort
+const (
+	ProtocolVersion = 760
+	DefaultPort     = mcnet.DefaultPort
+)
 
 // JoinServer connect a Minecraft server for playing the game.
 // Using roughly the same way to parse address as minecraft.

chat/message.go

@@ -207,6 +207,7 @@ var fmtCode = map[byte]string{
 	'o': "3",
 	'r': "0",
 }
+
 var colors = map[string]string{
 	Black:       "30",
 	DarkBlue:    "34",

data/lang/gen_lang.go

@@ -1,3 +1,4 @@
+//go:build generate
 // +build generate
 
 // This program can automatically download language.json file and convert into .go
@@ -17,9 +18,8 @@ import (
 	"text/template"
 )
 
-var (
 // language=gohtml
-	langTmpl = `// Code generated by downloader.go; DO NOT EDIT. 
+var langTmpl = `// Code generated by downloader.go; DO NOT EDIT. 
 package {{.Name}}
 {{if ne .Name "en_us"}}
 import "github.com/Tnze/go-mc/chat"
@@ -28,7 +28,6 @@ func init() { chat.SetLanguage(Map) }
 {{end}}
 var Map = {{.LangMap | printf "%#v"}}
 `
-)
 
 //go:generate go run $GOFILE
 //go:generate go fmt ./...
@@ -112,12 +111,12 @@ func readLang(name string, r io.Reader) {
 	pName := strings.ReplaceAll(name, "_", "-")
 
 	// mkdir
-	err = os.Mkdir(pName, 0777)
+	err = os.Mkdir(pName, 0o777)
 	if err != nil && !os.IsExist(err) {
 		panic(err)
 	}
 
-	f, err := os.OpenFile(filepath.Join(pName, name+".go"), os.O_CREATE|os.O_RDWR|os.O_TRUNC, 0666)
+	f, err := os.OpenFile(filepath.Join(pName, name+".go"), os.O_CREATE|os.O_RDWR|os.O_TRUNC, 0o666)
 	if err != nil {
 		panic(err)
 	}

data/packetid/packetid.go

@@ -2,9 +2,10 @@ package packetid
 
 //go:generate stringer -type ClientboundPacketID
 //go:generate stringer -type ServerboundPacketID
-
-type ClientboundPacketID int32
-type ServerboundPacketID int32
+type (
+	ClientboundPacketID int32
+	ServerboundPacketID int32
+)
 
 // Login Clientbound
 const (

data/registry/generate.go

@@ -71,7 +71,7 @@ func main() {
 		log.Fatal(err)
 	}
 
-	err = os.WriteFile("blockentitytype/blockentitytype.go", formattedSource, 0666)
+	err = os.WriteFile("blockentitytype/blockentitytype.go", formattedSource, 0o666)
 	if err != nil {
 		log.Fatal(err)
 	}

examples/autofish/autofish.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	botchat "github.com/Tnze/go-mc/bot/chat"
 	"log"
 	"time"
 
@@ -9,6 +8,7 @@ import (
 
 	"github.com/Tnze/go-mc/bot"
 	"github.com/Tnze/go-mc/bot/basic"
+	botchat "github.com/Tnze/go-mc/bot/chat"
 	"github.com/Tnze/go-mc/chat"
 	_ "github.com/Tnze/go-mc/data/lang/en-us"
 	"github.com/Tnze/go-mc/data/packetid"

examples/daze/daze.go

@@ -21,16 +21,20 @@ import (
 	"github.com/Tnze/go-mc/level"
 )
 
-var address = flag.String("address", "127.0.0.1", "The server address")
-var name = flag.String("name", "Daze", "The player's name")
-var playerID = flag.String("uuid", "", "The player's UUID")
-var accessToken = flag.String("token", "", "AccessToken")
+var (
+	address     = flag.String("address", "127.0.0.1", "The server address")
+	name        = flag.String("name", "Daze", "The player's name")
+	playerID    = flag.String("uuid", "", "The player's UUID")
+	accessToken = flag.String("token", "", "AccessToken")
+)
 
-var client *bot.Client
-var player *basic.Player
-var chatHandler *botchat.Chat
-var worldManager *world.World
-var screenManager *screen.Manager
+var (
+	client        *bot.Client
+	player        *basic.Player
+	chatHandler   *botchat.Chat
+	worldManager  *world.World
+	screenManager *screen.Manager
+)
 
 func main() {
 	flag.Parse()

examples/dazeReadCommand/daze.go

@@ -18,10 +18,12 @@ import (
 	pk "github.com/Tnze/go-mc/net/packet"
 )
 
-var address = flag.String("address", "127.0.0.1", "The server address")
-var client *bot.Client
-var player *basic.Player
-var screenManager *screen.Manager
+var (
+	address       = flag.String("address", "127.0.0.1", "The server address")
+	client        *bot.Client
+	player        *basic.Player
+	screenManager *screen.Manager
+)
 
 func main() {
 	flag.Parse()
@@ -62,8 +64,7 @@ func onCommands(p pk.Packet) error {
 	return nil
 }
 
-type Node struct {
-}
+type Node struct{}
 
 func (n Node) ReadFrom(r io.Reader) (int64, error) {
 	var Flags pk.Byte
@@ -71,7 +72,7 @@ func (n Node) ReadFrom(r io.Reader) (int64, error) {
 	var Redirect pk.VarInt
 	var Name pk.String
 	var Parser pk.Identifier
-	var Properties = Prop{Type: &Parser}
+	Properties := Prop{Type: &Parser}
 	var SuggestionsType pk.Identifier
 	m, err := pk.Tuple{
 		&Flags,

examples/luncher/luncher.go

@@ -8,8 +8,10 @@ import (
 	"github.com/Tnze/go-mc/yggdrasil"
 )
 
-var user = flag.String("user", "", "Can be an email address or player name for unmigrated accounts")
-var pswd = flag.String("password", "", "Your password")
+var (
+	user = flag.String("user", "", "Can be an email address or player name for unmigrated accounts")
+	pswd = flag.String("password", "", "Your password")
+)
 
 func main() {
 	flag.Parse()

examples/mcadump/mcadump.go

@@ -13,8 +13,10 @@ import (
 	"github.com/Tnze/go-mc/save/region"
 )
 
-var decomp = flag.Bool("x", false, "decompress each chunk to NBT format")
-var repack = flag.Bool("p", false, "repack .mcc file to .mca")
+var (
+	decomp = flag.Bool("x", false, "decompress each chunk to NBT format")
+	repack = flag.Bool("p", false, "repack .mcc file to .mca")
+)
 
 func main() {
 	flag.Usage = usage
@@ -91,7 +93,7 @@ func unpack(f, o string) {
 				checkerr(err)
 			}
 
-			cf, err := os.OpenFile(filepath.Join(o, fn), os.O_CREATE|os.O_RDWR|os.O_EXCL, 0666)
+			cf, err := os.OpenFile(filepath.Join(o, fn), os.O_CREATE|os.O_RDWR|os.O_EXCL, 0o666)
 			checkerr(err)
 
 			_, err = io.Copy(cf, r)

examples/mcping/mcping.go

@@ -20,8 +20,10 @@ import (
 	"github.com/Tnze/go-mc/chat"
 )
 
-var protocol = flag.Int("p", 578, "The protocol version number sent during ping")
-var favicon = flag.String("f", "", "If specified, the server's icon will be save to")
+var (
+	protocol = flag.Int("p", 578, "The protocol version number sent during ping")
+	favicon  = flag.String("f", "", "If specified, the server's icon will be save to")
+)
 
 type status struct {
 	Description chat.Message

examples/pressureTest/main.go

@@ -13,8 +13,10 @@ import (
 	"github.com/Tnze/go-mc/chat"
 )
 
-var address = flag.String("address", "127.0.0.1", "The server address")
-var number = flag.Int("number", 1023, "The number of clients")
+var (
+	address = flag.String("address", "127.0.0.1", "The server address")
+	number  = flag.Int("number", 1023, "The number of clients")
+)
 
 func main() {
 	flag.Parse()

examples/simpleServer1.15.2/main.go

@@ -11,8 +11,10 @@ import (
 	"github.com/Tnze/go-mc/offline"
 )
 
-const ProtocolVersion = 578
-const MaxPlayer = 200
+const (
+	ProtocolVersion = 578
+	MaxPlayer       = 200
+)
 
 // Packet IDs
 const (

examples/simpleServer1.17.1/main.go

@@ -13,8 +13,10 @@ import (
 	"github.com/Tnze/go-mc/offline"
 )
 
-const ProtocolVersion = 756
-const MaxPlayer = 200
+const (
+	ProtocolVersion = 756
+	MaxPlayer       = 200
+)
 
 // Packet IDs
 const (

examples/simpleServer1.17.1/status.go

@@ -2,11 +2,12 @@ package main
 
 import (
 	"encoding/json"
+	"log"
+
 	"github.com/Tnze/go-mc/chat"
 	"github.com/Tnze/go-mc/net"
 	pk "github.com/Tnze/go-mc/net/packet"
 	"github.com/google/uuid"
-	"log"
 )
 
 func acceptListPing(conn net.Conn) {

level/bitstorage.go

@@ -8,8 +8,10 @@ import (
 	pk "github.com/Tnze/go-mc/net/packet"
 )
 
-const indexOutOfBounds = "index out of bounds"
-const valueOutOfBounds = "value out of bounds"
+const (
+	indexOutOfBounds = "index out of bounds"
+	valueOutOfBounds = "value out of bounds"
+)
 
 // BitStorage implement the compacted data array used in chunk storage and heightmaps.
 // You can think of this as a []intN whose N is called "bits" in NewBitStorage.

level/bitstorage_test.go

@@ -1,14 +1,17 @@
 package level
 
 import (
-	pk "github.com/Tnze/go-mc/net/packet"
 	"math/bits"
 	"reflect"
 	"testing"
+
+	pk "github.com/Tnze/go-mc/net/packet"
 )
 
-var data = []uint64{0x0020863148418841, 0x01018A7260F68C87}
-var want = []int{1, 2, 2, 3, 4, 4, 5, 6, 6, 4, 8, 0, 7, 4, 3, 13, 15, 16, 9, 14, 10, 12, 0, 2}
+var (
+	data = []uint64{0x0020863148418841, 0x01018A7260F68C87}
+	want = []int{1, 2, 2, 3, 4, 4, 5, 6, 6, 4, 8, 0, 7, 4, 3, 13, 15, 16, 9, 14, 10, 12, 0, 2}
+)
 
 func TestBitStorage_Get(t *testing.T) {
 	bs := NewBitStorage(5, 24, data)

level/block/block.go

@@ -20,18 +20,22 @@ type Block interface {
 //go:embed block_states.nbt
 var blockStates []byte
 
-var ToStateID map[Block]StateID
-var StateList []Block
+var (
+	ToStateID map[Block]StateID
+	StateList []Block
+)
 
 // BitsPerBlock indicates how many bits are needed to represent all possible
 // block states. This value is used to determine the size of the global palette.
 var BitsPerBlock int
 
-type StateID int
-type State struct {
+type (
+	StateID int
+	State   struct {
 		Name       string
 		Properties nbt.RawMessage
 	}
+)
 
 func init() {
 	var states []State

level/block/generator/blocks/main.go

@@ -70,7 +70,7 @@ func genSourceFile(states []State) {
 		panic(err)
 	}
 
-	err = os.WriteFile("blocks.go", formattedSource, 0666)
+	err = os.WriteFile("blocks.go", formattedSource, 0o666)
 	if err != nil {
 		panic(err)
 	}

level/block/generator/properties/main.go

@@ -78,7 +78,7 @@ func main() {
 	if err != nil {
 		log.Panic(err)
 	}
-	err = os.WriteFile("properties_enum.go", formattedSource, 0666)
+	err = os.WriteFile("properties_enum.go", formattedSource, 0o666)
 	if err != nil {
 		log.Panic(err)
 	}

level/chunk.go

@@ -406,6 +406,7 @@ type Section struct {
 func (s *Section) GetBlock(i int) BlocksState {
 	return s.States.Get(i)
 }
+
 func (s *Section) SetBlock(i int, v BlocksState) {
 	if block.IsAir(s.States.Get(i)) {
 		s.BlockCount--

level/palette.go

@@ -13,8 +13,10 @@ import (
 type State interface {
 	~int
 }
-type BlocksState = block.StateID
-type BiomesState int
+type (
+	BlocksState = block.StateID
+	BiomesState int
+)
 
 type PaletteContainer[T State] struct {
 	bits    int
@@ -206,6 +208,7 @@ func (b biomesCfg) bits(bits int) int {
 		return biome.BitsPerBiome
 	}
 }
+
 func (b biomesCfg) create(bits int) palette[BiomesState] {
 	switch bits {
 	case 0:

nbt/decode_test.go

@@ -11,7 +11,7 @@ import (
 )
 
 func TestUnmarshal_string(t *testing.T) {
-	var data = []byte{
+	data := []byte{
 		0x08, 0x00, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x00, 0x09,
 		0x42, 0x61, 0x6e, 0x61, 0x6e, 0x72, 0x61, 0x6d, 0x61,
 	}
@@ -38,7 +38,7 @@ func TestUnmarshal_string(t *testing.T) {
 }
 
 func TestUnmarshal_simple(t *testing.T) {
-	var data = []byte{
+	data := []byte{
 		0x0a, 0x00, 0x0b, 0x68, 0x65, 0x6c, 0x6c, 0x6f,
 		0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x08, 0x00,
 		0x04, 0x6e, 0x61, 0x6d, 0x65, 0x00, 0x09, 0x42,
@@ -388,7 +388,7 @@ func TestDecoder_Decode_bool(t *testing.T) {
 }
 
 func TestDecoder_Decode_ErrorString(t *testing.T) {
-	var data = []byte{
+	data := []byte{
 		0x08, 0x00, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0xFF, 0xFE,
 		0x42, 0x61, 0x6e, 0x61, 0x6e, 0x72, 0x61, 0x6d, 0x61,
 	}
@@ -401,7 +401,6 @@ func TestDecoder_Decode_ErrorString(t *testing.T) {
 		t.Error("should return a error if len < 0")
 	}
 	t.Log(err)
-
 }
 
 type TextBool bool
@@ -409,6 +408,7 @@ type TextBool bool
 func (b TextBool) MarshalText() (text []byte, err error) {
 	return []byte(strconv.FormatBool(bool(b))), nil
 }
+
 func (b *TextBool) UnmarshalText(text []byte) (err error) {
 	*((*bool)(b)), err = strconv.ParseBool(string(text))
 	return

nbt/encode.go

@@ -390,7 +390,8 @@ func (e *Encoder) writeInt32(n int32) error {
 func (e *Encoder) writeInt64(n int64) error {
 	_, err := e.w.Write([]byte{
 		byte(n >> 56), byte(n >> 48), byte(n >> 40), byte(n >> 32),
-		byte(n >> 24), byte(n >> 16), byte(n >> 8), byte(n)})
+		byte(n >> 24), byte(n >> 16), byte(n >> 8), byte(n),
+	})
 	return err
 }
 

nbt/encode_test.go

@@ -12,7 +12,8 @@ import (
 func TestEncoder_Encode_intArray(t *testing.T) {
 	// Test marshal pure Int array
 	v := []int32{0, -10, 3}
-	out := []byte{TagIntArray, 0x00, 0x00, 0, 0, 0, 3,
+	out := []byte{
+		TagIntArray, 0x00, 0x00, 0, 0, 0, 3,
 		0x00, 0x00, 0x00, 0x00,
 		0xff, 0xff, 0xff, 0xf6,
 		0x00, 0x00, 0x00, 0x03,
@@ -27,7 +28,8 @@ func TestEncoder_Encode_intArray(t *testing.T) {
 	v2 := struct {
 		Ary []int32 `nbt:"ary"`
 	}{[]int32{0, -10, 3}}
-	out = []byte{TagCompound, 0x00, 0x00,
+	out = []byte{
+		TagCompound, 0x00, 0x00,
 		TagIntArray, 0x00, 0x03, 'a', 'r', 'y', 0, 0, 0, 3,
 		0x00, 0x00, 0x00, 0x00, // 0
 		0xff, 0xff, 0xff, 0xf6, // -10
@@ -72,7 +74,8 @@ func TestEncoder_encodeBool(t *testing.T) {
 func TestEncoder_Encode_floatArray(t *testing.T) {
 	// Test marshal pure Int array
 	v := []float32{0.3, -100, float32(math.NaN())}
-	out := []byte{TagList, 0x00, 0x00, TagFloat, 0, 0, 0, 3,
+	out := []byte{
+		TagList, 0x00, 0x00, TagFloat, 0, 0, 0, 3,
 		0x3e, 0x99, 0x99, 0x9a, // 0.3
 		0xc2, 0xc8, 0x00, 0x00, // -100
 		0x7f, 0xc0, 0x00, 0x00, // NaN
@@ -86,8 +89,10 @@ func TestEncoder_Encode_floatArray(t *testing.T) {
 
 func TestEncoder_Encode_string(t *testing.T) {
 	v := "Test"
-	out := []byte{TagString, 0x00, 0x00, 0, 4,
-		'T', 'e', 's', 't'}
+	out := []byte{
+		TagString, 0x00, 0x00, 0, 4,
+		'T', 'e', 's', 't',
+	}
 
 	if data, err := Marshal(v); err != nil {
 		t.Error(err)

nbt/example_test.go

@@ -62,7 +62,7 @@ func ExampleDecoder_Decode_singleTagString() {
 }
 
 func ExampleEncoder_Encode_tagCompound() {
-	var value = struct {
+	value := struct {
 		Name string `nbt:"name"`
 	}{"Tnze"}
 

nbt/snbt_scanner_test.go

@@ -66,6 +66,7 @@ func TestSNBT_compound(t *testing.T) {
 		}
 	}
 }
+
 func TestSNBT_list(t *testing.T) {
 	goods := []string{
 		`[]`, `[a, 'b', "c", d]`, // List of string

net/CFB8/cfb8.go

@@ -1,5 +1,4 @@
-//From https://play.golang.org/p/LTbId4b6M2
-
+// Package CFB8 is copied from https://play.golang.org/p/LTbId4b6M2
 package CFB8
 
 import "crypto/cipher"

net/packet/packet_test.go

@@ -37,6 +37,7 @@ func TestVarInt_WriteTo(t *testing.T) {
 		}
 	}
 }
+
 func TestVarInt_ReadFrom(t *testing.T) {
 	for i, v := range PackedVarInts {
 		var vi pk.VarInt
@@ -51,7 +52,7 @@ func TestVarInt_ReadFrom(t *testing.T) {
 
 func TestVarInt_ReadFrom_tooLongData(t *testing.T) {
 	var vi pk.VarInt
-	var data = []byte{0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x01}
+	data := []byte{0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x01}
 	if _, err := vi.ReadFrom(bytes.NewReader(data)); err != nil {
 		t.Logf("unpack \"% x\" error: %v", data, err)
 	} else {
@@ -87,6 +88,7 @@ func TestVarLong_WriteTo(t *testing.T) {
 		}
 	}
 }
+
 func TestVarLong_ReadFrom(t *testing.T) {
 	for i, v := range PackedVarLongs {
 		var vi pk.VarLong

net/packet/types.go

@@ -3,10 +3,11 @@ package packet
 import (
 	"bytes"
 	"errors"
-	"github.com/google/uuid"
 	"io"
 	"math"
 
+	"github.com/google/uuid"
+
 	"github.com/Tnze/go-mc/nbt"
 )
 
@@ -77,8 +78,10 @@ type (
 	BitSet []int64
 )
 
-const MaxVarIntLen = 5
-const MaxVarLongLen = 10
+const (
+	MaxVarIntLen  = 5
+	MaxVarLongLen = 10
+)
 
 func (b Boolean) WriteTo(w io.Writer) (int64, error) {
 	var v byte
@@ -245,7 +248,7 @@ func (l *Long) ReadFrom(r io.Reader) (n int64, err error) {
 }
 
 func (v VarInt) WriteTo(w io.Writer) (n int64, err error) {
-	var vi = make([]byte, 0, MaxVarIntLen)
+	vi := make([]byte, 0, MaxVarIntLen)
 	num := uint32(v)
 	for {
 		b := num & 0x7F
@@ -282,7 +285,7 @@ func (v *VarInt) ReadFrom(r io.Reader) (n int64, err error) {
 }
 
 func (v VarLong) WriteTo(w io.Writer) (n int64, err error) {
-	var vi = make([]byte, 0, MaxVarLongLen)
+	vi := make([]byte, 0, MaxVarLongLen)
 	num := uint64(v)
 	for {
 		b := num & 0x7F

net/packet/util_test.go

@@ -3,8 +3,9 @@ package packet_test
 import (
 	"bytes"
 	"fmt"
-	pk "github.com/Tnze/go-mc/net/packet"
 	"testing"
+
+	pk "github.com/Tnze/go-mc/net/packet"
 )
 
 func ExampleAry_WriteTo() {
@@ -34,12 +35,12 @@ func ExampleAry_ReadFrom() {
 
 func TestAry_ReadFrom(t *testing.T) {
 	var ary []pk.String
-	var bin = []byte{
+	bin := []byte{
 		0, 0, 0, 2,
 		4, 'T', 'n', 'z', 'e',
 		0,
 	}
-	var data = pk.Ary[pk.Int]{Ary: &ary}
+	data := pk.Ary[pk.Int]{Ary: &ary}
 	if _, err := data.ReadFrom(bytes.NewReader(bin)); err != nil {
 		t.Fatal(err)
 	}

offline/uuid.go

@@ -2,12 +2,13 @@ package offline
 
 import (
 	"crypto/md5"
+
 	"github.com/google/uuid"
 )
 
 // NameToUUID return the UUID from player name in offline mode
 func NameToUUID(name string) uuid.UUID {
-	var version = 3
+	version := 3
 	h := md5.New()
 	h.Write([]byte("OfflinePlayer:"))
 	h.Write([]byte(name))

realms/server.go

@@ -49,7 +49,7 @@ func (r *Realms) Worlds() ([]Server, error) {
 // Server returns a single server listing about a server.
 // you must be the owner of the server.
 func (r *Realms) Server(ID int) (s Server, err error) {
-	var resp = struct {
+	resp := struct {
 		*Server
 		*Error
 	}{Server: &s}
@@ -124,7 +124,7 @@ func (r *Realms) Ops(s Server) (ops []string, err error) {
 
 // SubscriptionLife returns the current life of a server subscription.
 func (r *Realms) SubscriptionLife(s Server) (startDate int64, daysLeft int, Type string, err error) {
-	var resp = struct {
+	resp := struct {
 		StartDate        *int64
 		DaysLeft         *int
 		SubscriptionType *string

save/playerdata.go

@@ -1,8 +1,9 @@
 package save
 
 import (
-	"github.com/Tnze/go-mc/nbt"
 	"io"
+
+	"github.com/Tnze/go-mc/nbt"
 )
 
 type PlayerData struct {

save/region/mca.go

@@ -37,7 +37,7 @@ func At(cx, cz int) (int, int) {
 // Open a .mca file and read the head.
 // Close the Region after used.
 func Open(name string) (r *Region, err error) {
-	f, err := os.OpenFile(name, os.O_RDWR, 0666)
+	f, err := os.OpenFile(name, os.O_RDWR, 0o666)
 	if err != nil {
 		return nil, err
 	}
@@ -85,7 +85,7 @@ func Load(f io.ReadWriteSeeker) (r *Region, err error) {
 
 // Create open .mca file with os.O_CREATE|os. O_EXCL, and init the region
 func Create(name string) (*Region, error) {
-	f, err := os.OpenFile(name, os.O_CREATE|os.O_RDWR|os.O_EXCL, 0666)
+	f, err := os.OpenFile(name, os.O_CREATE|os.O_RDWR|os.O_EXCL, 0o666)
 	if err != nil {
 		return nil, err
 	}

save/region/mca_test.go

@@ -51,7 +51,6 @@ func TestReadRegion(t *testing.T) {
 			// t.Log(b)
 		}
 	}
-
 }
 
 func TestFindSpace(t *testing.T) {

server/client.go

@@ -10,8 +10,10 @@ import (
 
 // Packet758 is a packet in protocol 757.
 // We are using type system to force programmers to update packets.
-type Packet758 pk.Packet
-type Packet757 pk.Packet
+type (
+	Packet758 pk.Packet
+	Packet757 pk.Packet
+)
 
 type WritePacketError struct {
 	Err error

server/command/command.go

@@ -70,8 +70,10 @@ type Node struct {
 	Parser          Parser
 	Run             HandlerFunc
 }
-type Literal Node
-type Argument Node
+type (
+	Literal  Node
+	Argument Node
+)
 
 func (n *Node) parse(cmd string) (left string, value ParsedData, err error) {
 	switch n.kind & 0x03 {

server/entity.go

@@ -1,4 +1,6 @@
 package server
 
-type Pos struct{ X, Y, Z float64 }
-type Rot struct{ Yaw, Pitch float32 }
+type (
+	Pos struct{ X, Y, Z float64 }
+	Rot struct{ Yaw, Pitch float32 }
+)

server/internal/bvh/bvh.go

@@ -3,6 +3,7 @@ package bvh
 import (
 	"container/heap"
 	"fmt"
+
 	"golang.org/x/exp/constraints"
 )
 
@@ -194,12 +195,14 @@ func TouchBound[B interface{ Touch(B) bool }](other B) func(bound B) bool {
 	}
 }
 
-type searchHeap[I constraints.Float, V any] []searchItem[I, V]
-type searchItem[I constraints.Float, V any] struct {
+type (
+	searchHeap[I constraints.Float, V any] []searchItem[I, V]
+	searchItem[I constraints.Float, V any] struct {
 		pointer       *V
 		parentTo      **V
 		inheritedCost I
 	}
+)
 
 func (h searchHeap[I, V]) Len() int            { return len(h) }
 func (h searchHeap[I, V]) Less(i, j int) bool  { return h[i].inheritedCost < h[j].inheritedCost }

server/internal/bvh/vector.go

@@ -1,8 +1,9 @@
 package bvh
 
 import (
-	"golang.org/x/exp/constraints"
 	"math"
+
+	"golang.org/x/exp/constraints"
 )
 
 type Vec2[I constraints.Signed | constraints.Float] [2]I
@@ -22,6 +23,7 @@ type Vec3[I constraints.Signed | constraints.Float] [3]I
 func (v Vec3[I]) Add(other Vec3[I]) Vec3[I] {
 	return Vec3[I]{v[0] + other[0], v[1] + other[1], v[2] + other[2]}
 }
+
 func (v Vec3[I]) Sub(other Vec3[I]) Vec3[I] {
 	return Vec3[I]{v[0] - other[0], v[1] - other[1], v[2] - other[2]}
 }
@@ -29,6 +31,7 @@ func (v Vec3[I]) Mul(i I) Vec3[I] { return Vec3[I]{v[0] * i, v[1] * i, v[2] * i}
 func (v Vec3[I]) Max(other Vec3[I]) Vec3[I] {
 	return Vec3[I]{max(v[0], other[0]), max(v[1], other[1]), max(v[2], other[2])}
 }
+
 func (v Vec3[I]) Min(other Vec3[I]) Vec3[I] {
 	return Vec3[I]{min(v[0], other[0]), min(v[1], other[1]), min(v[2], other[2])}
 }

yggdrasil/authenticate.go

@@ -105,6 +105,7 @@ func (a *Access) AvailableProfiles() []Profile {
 func (a *Access) SetTokens(tokens Tokens) {
 	a.ar.Tokens = tokens
 }
+
 func (a *Access) GetTokens() Tokens {
 	return a.ar.Tokens
 }