session

package
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 Go to latest Published: Jan 4, 2021 License: MIT Imports: 41 Imported by: 0

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Index

Constants

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const (
	CameraShakePositional = iota
	CameraShakeRotational
)

Variables

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var ErrSelfRuntimeID = errors.New("invalid entity runtime ID: runtime ID for self must always be 1")

ErrSelfRuntimeID is an error returned during packet handling for fields that refer to the player itself and must therefore always be 1.

View Source 
var Nop = &Session{}

Nop represents a no-operation session. It does not do anything when sending a packet to it.

Functions

This section is empty.

Types

type BlockPickRequestHandler 

type BlockPickRequestHandler struct{}

BlockPickRequestHandler handles the BlockPickRequest packet.

func (BlockPickRequestHandler) Handle 

func (b BlockPickRequestHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type CameraShakeType 

type CameraShakeType uint8

CameraShakeType is the type of camera shake that the player receives

type ClientCacheBlobStatusHandler 

type ClientCacheBlobStatusHandler struct {
}

ClientCacheBlobStatusHandler handles the ClientCacheBlobStatus packet.

func (*ClientCacheBlobStatusHandler) Handle 

func (c *ClientCacheBlobStatusHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type CommandRequestHandler 

type CommandRequestHandler struct {
	// contains filtered or unexported fields
}

CommandRequestHandler handles the CommandRequest packet.

func (*CommandRequestHandler) Handle 

func (h *CommandRequestHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type ContainerCloseHandler 

type ContainerCloseHandler struct{}

ContainerCloseHandler handles the ContainerClose packet.

func (*ContainerCloseHandler) Handle 

func (h *ContainerCloseHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type Controllable 

type Controllable interface {
	world.Entity
	item.Carrier
	form.Submitter
	SetHeldItems(right, left item.Stack)

	Move(deltaPos mgl64.Vec3)
	Speed() float64
	EyeHeight() float64
	Rotate(deltaYaw, deltaPitch float64)

	Chat(msg ...interface{})
	ExecuteCommand(commandLine string)
	GameMode() gamemode.GameMode
	SetGameMode(mode gamemode.GameMode)

	UseItem()
	ReleaseItem()
	UseItemOnBlock(pos world.BlockPos, face world.Face, clickPos mgl64.Vec3)
	UseItemOnEntity(e world.Entity)
	BreakBlock(pos world.BlockPos)
	PickBlock(pos world.BlockPos)
	AttackEntity(e world.Entity)
	Drop(s item.Stack) (n int)

	Respawn()

	StartSneaking()
	Sneaking() bool
	StopSneaking()
	StartSprinting()
	Sprinting() bool
	StopSprinting()
	StartSwimming()
	Swimming() bool
	StopSwimming()

	StartBreaking(pos world.BlockPos, face world.Face)
	ContinueBreaking(face world.Face)
	FinishBreaking()
	AbortBreaking()

	Exhaust(points float64)

	// UUID returns the UUID of the controllable. It must be unique for all controllable entities present in
	// the server.
	UUID() uuid.UUID
	// XUID returns the XBOX Live User ID of the controllable. Every controllable must have one of these if
	// they are authenticated via XBOX Live, as they must be connected to an XBOX Live account.
	XUID() string
	// Skin returns the skin of the controllable. Each controllable must have a skin, as it defines how the
	// entity looks in the world.
	Skin() skin.Skin
}

Controllable represents an entity that may be controlled by a Session. Generally, a Controllable is implemented in the form of a Player. Methods in Controllable will be added as Session needs them in order to handle packets.

type EmoteHandler 

type EmoteHandler struct {
	LastEmote time.Time
}

EmoteHandler handles the Emote packet.

func (*EmoteHandler) Handle 

func (h *EmoteHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type InteractHandler 

type InteractHandler struct{}

InteractHandler handles the Interact packet.

func (*InteractHandler) Handle 

func (h *InteractHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type InventoryTransactionHandler 

type InventoryTransactionHandler struct {
	// contains filtered or unexported fields
}

InventoryTransactionHandler handles the InventoryTransaction packet.

func (*InventoryTransactionHandler) Handle 

func (h *InventoryTransactionHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type ItemStackRequestHandler 

type ItemStackRequestHandler struct {
	// contains filtered or unexported fields
}

ItemStackRequestHandler handles the ItemStackRequest packet. It handles the actions done within the inventory.

func (*ItemStackRequestHandler) Handle 

func (h *ItemStackRequestHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type MobEquipmentHandler 

type MobEquipmentHandler struct{}

MobEquipmentHandler handles the MobEquipment packet.

func (*MobEquipmentHandler) Handle 

func (*MobEquipmentHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type ModalFormResponseHandler 

type ModalFormResponseHandler struct {
	// contains filtered or unexported fields
}

ModalFormResponseHandler handles the ModalFormResponse packet.

func (*ModalFormResponseHandler) Handle 

func (h *ModalFormResponseHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type PlayerActionHandler 

type PlayerActionHandler struct{}

PlayerActionHandler handles the PlayerAction packet.

func (*PlayerActionHandler) Handle 

func (*PlayerActionHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type PlayerAuthInputHandler 

type PlayerAuthInputHandler struct{}

PlayerAuthInputHandler handles the PlayerAuthInput packet.

func (PlayerAuthInputHandler) Handle 

func (h PlayerAuthInputHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type RequestChunkRadiusHandler 

type RequestChunkRadiusHandler struct{}

RequestChunkRadiusHandler handles the RequestChunkRadius packet.

func (*RequestChunkRadiusHandler) Handle 

func (*RequestChunkRadiusHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type RespawnHandler 

type RespawnHandler struct{}

RespawnHandler handles the Respawn packet.

func (*RespawnHandler) Handle 

func (*RespawnHandler) Handle(p packet.Packet, s *Session) error

Handle ...

type Session 

type Session struct {
	// contains filtered or unexported fields
}

Session handles incoming packets from connections and sends outgoing packets by providing a thin layer of abstraction over direct packets. A Session basically 'controls' an entity.

func New 

func New(conn *minecraft.Conn, maxChunkRadius int, log *logrus.Logger, joinMessage, quitMessage *atomic.String) *Session

New returns a new session using a controllable entity. The session will control this entity using the packets that it receives. New takes the connection from which to accept packets. It will start handling these packets after a call to Session.Start().

func (*Session) ClientData 

func (s *Session) ClientData() login.ClientData

ClientData returns the login.ClientData of the underlying *minecraft.Conn.

func (*Session) Close 

func (s *Session) Close() error

Close closes the session, which in turn closes the controllable and the connection that the session manages.

func (*Session) CloseConnection 

func (s *Session) CloseConnection()

CloseConnection closes the underlying connection of the session so that the session ends up being closed eventually.

func (*Session) Disconnect 

func (s *Session) Disconnect(message string)

Disconnect disconnects the client and ultimately closes the session. If the message passed is non-empty, it will be shown to the client.

func (*Session) EnableCoordinates 

func (s *Session) EnableCoordinates(enable bool)

EnableCoordinates will either enable or disable coordinates for the player depending on the value given.

func (*Session) HandleInventories 

func (s *Session) HandleInventories() (inv, offHand *inventory.Inventory, armour *inventory.Armour, heldSlot *atomic.Uint32)

HandleInventories starts handling the inventories of the Controllable of the session. It sends packets when slots in the inventory are changed.

func (*Session) HideEntity 

func (s *Session) HideEntity(e world.Entity)

HideEntity ...

func (*Session) Latency 

func (s *Session) Latency() time.Duration

Latency returns the latency of the connection.

func (*Session) OpenBlockContainer 

func (s *Session) OpenBlockContainer(pos world.BlockPos)

OpenBlockContainer ...

func (*Session) Position 

func (s *Session) Position() mgl64.Vec3

Position ...

func (*Session) RemoveBossBar 

func (s *Session) RemoveBossBar()

RemoveBossBar removes any boss bar currently active on the player's screen.

func (*Session) RemoveScoreboard 

func (s *Session) RemoveScoreboard()

RemoveScoreboard ...

func (*Session) SendAbsorption 

func (s *Session) SendAbsorption(value float64)

SendAbsorption sends the absorption value passed to the player.

func (*Session) SendActionBarMessage 

func (s *Session) SendActionBarMessage(text string)

SendActionBarMessage ...

func (*Session) SendAnnouncement 

func (s *Session) SendAnnouncement(message string)

SendAnnouncement ...

func (*Session) SendAvailableCommands 

func (s *Session) SendAvailableCommands()

SendAvailableCommands sends all available commands of the server. Once sent, they will be visible in the /help list and will be auto-completed.

func (*Session) SendBossBar 

func (s *Session) SendBossBar(text string, healthPercentage float64)

SendBossBar sends a boss bar to the player with the text passed and the health percentage of the bar. SendBossBar removes any boss bar that might be active before sending the new one.

func (*Session) SendCameraShake 

func (s *Session) SendCameraShake(Intensity, Duration float32, Type CameraShakeType)

SendCameraShake sends a shake amount for the players camera

func (*Session) SendCommandOutput 

func (s *Session) SendCommandOutput(output *cmd.Output)

SendCommandOutput sends the output of a command to the player. It will be shown to the caller of the command, which might be the player or a websocket server.

func (*Session) SendEffect 

func (s *Session) SendEffect(e effect.Effect)

SendEffect sends an effects passed to the player.

func (*Session) SendEffectRemoval 

func (s *Session) SendEffectRemoval(e effect.Effect)

SendEffectRemoval sends the removal of an effect passed.

func (*Session) SendFood 

func (s *Session) SendFood(food int, saturation, exhaustion float64)

SendFood ...

func (*Session) SendForm 

func (s *Session) SendForm(f form.Form)

SendForm sends a form to the client of the connection. The Submit method of the form is called when the client submits the form.

func (*Session) SendGameMode 

func (s *Session) SendGameMode(mode gamemode.GameMode)

SendGameMode sends the game mode of the Controllable of the session to the client. It makes sure the right flags are set to create the full game mode.

func (*Session) SendHealth 

func (s *Session) SendHealth(health *entity_internal.HealthManager)

SendHealth sends the health and max health to the player.

func (*Session) SendJukeboxPopup 

func (s *Session) SendJukeboxPopup(message string)

SendJukeboxPopup ...

func (*Session) SendMessage 

func (s *Session) SendMessage(message string)

SendMessage ...

func (*Session) SendPopup 

func (s *Session) SendPopup(message string)

SendPopup ...

func (*Session) SendRespawn 

func (s *Session) SendRespawn()

SendRespawn spawns the controllable of the session client-side in the world, provided it is has died.

func (*Session) SendScoreboard 

func (s *Session) SendScoreboard(displayName string)

SendScoreboard ...

func (*Session) SendScoreboardLines 

func (s *Session) SendScoreboardLines(v []string)

SendScoreboardLines sends a list of scoreboard lines for the scoreboard currently active on the player's screen.

func (*Session) SendSpeed 

func (s *Session) SendSpeed(speed float64)

SendSpeed sends the speed of the player in an UpdateAttributes packet, so that it is updated client-side.

func (*Session) SendSubtitle 

func (s *Session) SendSubtitle(text string)

SendSubtitle ...

func (*Session) SendTip 

func (s *Session) SendTip(message string)

SendTip ...

func (*Session) SendTitle 

func (s *Session) SendTitle(text string)

SendTitle ...

func (*Session) SendVelocity 

func (s *Session) SendVelocity(velocity mgl64.Vec3)

SendVelocity sends the velocity of the player to the client.

func (*Session) SetHeldSlot 

func (s *Session) SetHeldSlot(slot int) error

SetHeldSlot sets the currently held hotbar slot.

func (*Session) SetTitleDurations 

func (s *Session) SetTitleDurations(fadeInDuration, remainDuration, fadeOutDuration time.Duration)

SetTitleDurations ...

func (*Session) Start 

func (s *Session) Start(c Controllable, w *world.World, onStop func(controllable Controllable))

Start makes the session start handling incoming packets from the client and initialises the controllable of the session in the world. The function passed will be called when the session stops running.

func (*Session) Transfer 

func (s *Session) Transfer(ip net.IP, port int)

Transfer transfers the player to a server with the IP and port passed.

func (*Session) ViewBlockAction 

func (s *Session) ViewBlockAction(pos world.BlockPos, a blockAction.Action)

ViewBlockAction ...

func (*Session) ViewBlockUpdate 

func (s *Session) ViewBlockUpdate(pos world.BlockPos, b world.Block, layer int)

ViewBlockUpdate ...

func (*Session) ViewChunk 

func (s *Session) ViewChunk(pos world.ChunkPos, c *chunk.Chunk, blockEntities map[world.BlockPos]world.Block)

ViewChunk ...

func (*Session) ViewEmote 

func (s *Session) ViewEmote(player world.Entity, emote uuid.UUID)

ViewEmote ...

func (*Session) ViewEntity 

func (s *Session) ViewEntity(e world.Entity)

ViewEntity ...

func (*Session) ViewEntityAction 

func (s *Session) ViewEntityAction(e world.Entity, a action.Action)

ViewEntityAction ...

func (*Session) ViewEntityArmour 

func (s *Session) ViewEntityArmour(e world.Entity)

ViewEntityArmour ...

func (*Session) ViewEntityItems 

func (s *Session) ViewEntityItems(e world.Entity)

ViewEntityItems ...

func (*Session) ViewEntityMovement 

func (s *Session) ViewEntityMovement(e world.Entity, deltaPos mgl64.Vec3, deltaYaw, deltaPitch float64)

ViewEntityMovement ...

func (*Session) ViewEntityState 

func (s *Session) ViewEntityState(e world.Entity, states []state.State)

ViewEntityState ...

func (*Session) ViewEntityTeleport 

func (s *Session) ViewEntityTeleport(e world.Entity, position mgl64.Vec3)

ViewEntityTeleport ...

func (*Session) ViewEntityVelocity 

func (s *Session) ViewEntityVelocity(e world.Entity, velocity mgl64.Vec3)

ViewEntityVelocity ...

func (*Session) ViewParticle 

func (s *Session) ViewParticle(pos mgl64.Vec3, p world.Particle)

ViewParticle ...

func (*Session) ViewSlotChange 

func (s *Session) ViewSlotChange(slot int, newItem item.Stack)

ViewSlotChange ...

func (*Session) ViewSound 

func (s *Session) ViewSound(pos mgl64.Vec3, soundType world.Sound)

ViewSound ...

func (*Session) ViewTime 

func (s *Session) ViewTime(time int)

ViewTime ...

type TextHandler 

type TextHandler struct{}

TextHandler handles the Text packet.

func (TextHandler) Handle 

func (TextHandler) Handle(p packet.Packet, s *Session) error

Handle ...

Source Files

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