packet

package

v0.0.0-...-745f9b5 Latest Latest Go to latest Published: Oct 6, 2020 License: MIT Imports: 8 Imported by: 0

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Repository

github.com/spookspace/plasma

Documentation ¶

Index ¶

func ReadBytes(r DecodeReader) ([]byte, error)
func ReadNBytes(r DecodeReader, n int) (bs []byte, err error)
func Scan(r DecodeReader, fields ...FieldDecoder) error
type Angle
type Boolean
- func (b *Boolean) Decode(r DecodeReader) error
- func (b Boolean) Encode() []byte
type Byte
- func (b *Byte) Decode(r DecodeReader) error
- func (b Byte) Encode() []byte
type ByteArray
- func (b *ByteArray) Decode(r DecodeReader) error
- func (b ByteArray) Encode() []byte
type Chat
type DecodeReader
type Double
- func (d *Double) Decode(r DecodeReader) error
- func (d Double) Encode() []byte
type Field
type FieldDecoder
type FieldEncoder
type Float
- func (f *Float) Decode(r DecodeReader) error
- func (f Float) Encode() []byte
type Identifier
type IdentifierArray
- func (ia *IdentifierArray) Decode(r DecodeReader) error
- func (ia IdentifierArray) Encode() []byte
type Int
- func (i *Int) Decode(r DecodeReader) error
- func (i Int) Encode() []byte
type Long
- func (l *Long) Decode(r DecodeReader) error
- func (l Long) Encode() []byte
type NBT
- func (n NBT) Decode(r DecodeReader) error
- func (n NBT) Encode() []byte
type OptionalByteArray
- func (b *OptionalByteArray) Decode(r DecodeReader) error
- func (b OptionalByteArray) Encode() []byte
type Packet
- func Marshal(ID byte, fields ...FieldEncoder) Packet
- func Peek(p PeekReader, isZlib bool) (Packet, error)
- func Read(r DecodeReader, isZlib bool) (Packet, error)
- func Unmarshal(data []byte) (Packet, error)
- func (pk *Packet) Marshal(threshold int) ([]byte, error)
- func (pk Packet) Scan(fields ...FieldDecoder) error
type PeekReader
type Position
- func (p *Position) Decode(r DecodeReader) error
- func (p Position) Encode() []byte
type Short
- func (s *Short) Decode(r DecodeReader) error
- func (s Short) Encode() []byte
type String
- func (s *String) Decode(r DecodeReader) error
- func (s String) Encode() (p []byte)
type UUID
- func (u *UUID) Decode(r DecodeReader) error
- func (u UUID) Encode() []byte
type UnsignedByte
- func (ub *UnsignedByte) Decode(r DecodeReader) error
- func (ub UnsignedByte) Encode() []byte
type UnsignedShort
- func (us *UnsignedShort) Decode(r DecodeReader) error
- func (us UnsignedShort) Encode() []byte
type VarInt
- func (v *VarInt) Decode(r DecodeReader) error
- func (v VarInt) Encode() (vi []byte)
type VarIntArray
- func (ia *VarIntArray) Decode(r DecodeReader) error
- func (ia VarIntArray) Encode() []byte
type VarLong
- func (v *VarLong) Decode(r DecodeReader) error
- func (v VarLong) Encode() (vi []byte)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func ReadBytes ¶

func ReadBytes(r DecodeReader) ([]byte, error)

ReadBytes decodes a byte stream and cuts the first Packet as a byte array out

func ReadNBytes ¶

func ReadNBytes(r DecodeReader, n int) (bs []byte, err error)

ReadNBytes read N bytes from bytes.Reader

func Scan ¶

func Scan(r DecodeReader, fields ...FieldDecoder) error

Scan decodes a byte stream into fields

Types ¶

type Angle ¶

type Angle = UnsignedByte

Angle is rotation angle in steps of 1/256 of a full turn

type Boolean ¶

type Boolean bool

Boolean of True is encoded as 0x01, false as 0x00.

func (*Boolean) Decode ¶

func (b *Boolean) Decode(r DecodeReader) error

Decode a Boolean

func (Boolean) Encode ¶

func (b Boolean) Encode() []byte

Encode a Boolean

type Byte ¶

type Byte int8

Byte is signed 8-bit integer, two's complement

func (*Byte) Decode ¶

func (b *Byte) Decode(r DecodeReader) error

Decode a Byte

func (Byte) Encode ¶

func (b Byte) Encode() []byte

Encode a Byte

type ByteArray ¶

type ByteArray []byte

ByteArray is []byte with prefix VarInt as length

func (*ByteArray) Decode ¶

func (b *ByteArray) Decode(r DecodeReader) error

Decode a ByteArray

func (ByteArray) Encode ¶

func (b ByteArray) Encode() []byte

Encode a ByteArray

type Chat ¶

type Chat = String

Chat is encoded as a String with max length of 32767.

type DecodeReader ¶

type DecodeReader interface {
	io.ByteReader
	io.Reader
}

DecodeReader is both io.Reader and io.ByteReader

type Double ¶

type Double float64

A Double is a double-precision 64-bit IEEE 754 floating point number

func (*Double) Decode ¶

func (d *Double) Decode(r DecodeReader) error

Decode a Double

func (Double) Encode ¶

func (d Double) Encode() []byte

Encode a Double

type Field ¶

type Field interface {
	FieldEncoder
	FieldDecoder
}

A Field is both FieldEncoder and FieldDecoder

type FieldDecoder ¶

type FieldDecoder interface {
	Decode(r DecodeReader) error
}

A FieldDecoder can Decode from minecraft protocol

type FieldEncoder ¶

type FieldEncoder interface {
	Encode() []byte
}

A FieldEncoder can be encode as minecraft protocol used.

type Float ¶

type Float float32

A Float is a single-precision 32-bit IEEE 754 floating point number

func (*Float) Decode ¶

func (f *Float) Decode(r DecodeReader) error

Decode a Float

func (Float) Encode ¶

func (f Float) Encode() []byte

Encode a Float

type Identifier ¶

type Identifier = String

Identifier is encoded as a String with max length of 32767.

type IdentifierArray ¶

type IdentifierArray []Identifier

IdentifierArray is a slice of Identifier

func (*IdentifierArray) Decode ¶

func (ia *IdentifierArray) Decode(r DecodeReader) error

Decode a IdentifierArray

func (IdentifierArray) Encode ¶

func (ia IdentifierArray) Encode() []byte

Encode a IdentifierArray

type Int ¶

type Int int32

Int is signed 32-bit integer, two's complement

func (*Int) Decode ¶

func (i *Int) Decode(r DecodeReader) error

Decode a Int

func (Int) Encode ¶

func (i Int) Encode() []byte

Encode a Int

type Long ¶

type Long int64

Long is signed 64-bit integer, two's complement

func (*Long) Decode ¶

func (l *Long) Decode(r DecodeReader) error

Decode a Long

func (Long) Encode ¶

func (l Long) Encode() []byte

Encode a Long

type NBT ¶

type NBT struct {
	V interface{}
}

NBT encode a value as Named Binary Tag

func (NBT) Decode ¶

func (n NBT) Decode(r DecodeReader) error

Decode a NBT

func (NBT) Encode ¶

func (n NBT) Encode() []byte

Encode a NBT

type OptionalByteArray ¶

type OptionalByteArray []byte

OptionalByteArray is []byte without prefix VarInt as length

func (*OptionalByteArray) Decode ¶

func (b *OptionalByteArray) Decode(r DecodeReader) error

Decode a OptionalByteArray

func (OptionalByteArray) Encode ¶

func (b OptionalByteArray) Encode() []byte

Encode a OptionalByteArray

type Packet ¶

type Packet struct {
	ID   byte
	Data []byte
}

A Packet is the raw representation of message that is send between the client and the server

func Marshal ¶

func Marshal(ID byte, fields ...FieldEncoder) Packet

Marshal transforms an ID and Fields into a Packet

func Peek ¶

func Peek(p PeekReader, isZlib bool) (Packet, error)

Peek decodes and decompresses a byte stream and peeks the first Packet

func Read ¶

func Read(r DecodeReader, isZlib bool) (Packet, error)

Read decodes and decompresses a byte stream and cuts the first Packet out

func Unmarshal ¶

func Unmarshal(data []byte) (Packet, error)

Unmarshal decodes and decompresses a byte array into a Packet

func (*Packet) Marshal ¶

func (pk *Packet) Marshal(threshold int) ([]byte, error)

Marshal encodes the packet and compresses it if it is larger then the given threshold

func (Packet) Scan ¶

func (pk Packet) Scan(fields ...FieldDecoder) error

Scan decodes and copies the Packet data into the fields

type PeekReader ¶

type PeekReader interface {
	Peek(n int) ([]byte, error)
	io.Reader
}

type Position ¶

type Position struct {
	X, Y, Z int
}

Position x as a 26-bit integer, followed by y as a 12-bit integer, followed by z as a 26-bit integer (all signed, two's complement)

func (*Position) Decode ¶

func (p *Position) Decode(r DecodeReader) error

Decode a Position

func (Position) Encode ¶

func (p Position) Encode() []byte

Encode a Position

type Short ¶

type Short int16

Short is signed 16-bit integer, two's complement

func (*Short) Decode ¶

func (s *Short) Decode(r DecodeReader) error

Decode a Short

func (Short) Encode ¶

func (s Short) Encode() []byte

Encode a Signed Short

type String ¶

type String string

String is sequence of Unicode scalar values

func (*String) Decode ¶

func (s *String) Decode(r DecodeReader) error

Decode a String

func (String) Encode ¶

func (s String) Encode() (p []byte)

Encode a String

type UUID ¶

type UUID uuid.UUID

UUID encoded as an unsigned 128-bit integer

func (*UUID) Decode ¶

func (u *UUID) Decode(r DecodeReader) error

Decode a UUID

func (UUID) Encode ¶

func (u UUID) Encode() []byte

Encode a UUID

type UnsignedByte ¶

type UnsignedByte uint8

UnsignedByte is unsigned 8-bit integer

func (*UnsignedByte) Decode ¶

func (ub *UnsignedByte) Decode(r DecodeReader) error

Decode a UnsignedByte

func (UnsignedByte) Encode ¶

func (ub UnsignedByte) Encode() []byte

Encode a UnsignedByte

type UnsignedShort ¶

type UnsignedShort uint16

UnsignedShort is unsigned 16-bit integer

func (*UnsignedShort) Decode ¶

func (us *UnsignedShort) Decode(r DecodeReader) error

Decode a UnsignedShort

func (UnsignedShort) Encode ¶

func (us UnsignedShort) Encode() []byte

Encode a Unsigned Short

type VarInt ¶

type VarInt int32

VarInt is variable-length data encoding a two's complement signed 32-bit integer

func (*VarInt) Decode ¶

func (v *VarInt) Decode(r DecodeReader) error

Decode a VarInt

func (VarInt) Encode ¶

func (v VarInt) Encode() (vi []byte)

Encode a VarInt

type VarIntArray ¶

type VarIntArray []VarInt

VarIntArray is a slice of VarInt

func (*VarIntArray) Decode ¶

func (ia *VarIntArray) Decode(r DecodeReader) error

Decode a VarIntArray

func (VarIntArray) Encode ¶

func (ia VarIntArray) Encode() []byte

Encode a VarIntArray

type VarLong ¶

type VarLong int64

VarLong is variable-length data encoding a two's complement signed 64-bit integer

func (*VarLong) Decode ¶

func (v *VarLong) Decode(r DecodeReader) error

Decode a VarLong

func (VarLong) Encode ¶

func (v VarLong) Encode() (vi []byte)

Encode a VarLong

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
cfb8 All credits go to Ilmari Karonen Source: https://stackoverflow.com/questions/23897809/different-results-in-go-and-pycrypto-when-using-aes-cfb/37234233#37234233	All credits go to Ilmari Karonen Source: https://stackoverflow.com/questions/23897809/different-results-in-go-and-pycrypto-when-using-aes-cfb/37234233#37234233
zlib

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