84 lines
1.9 KiB
Go
84 lines
1.9 KiB
Go
package basic
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import (
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"github.com/google/uuid"
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"github.com/Tnze/go-mc/bot"
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"github.com/Tnze/go-mc/chat"
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"github.com/Tnze/go-mc/data/packetid"
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pk "github.com/Tnze/go-mc/net/packet"
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)
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type EventsListener struct {
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GameStart func() error
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ChatMsg func(c chat.Message, pos byte, uuid uuid.UUID) error
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Disconnect func(reason chat.Message) error
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HealthChange func(health float32) error
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Death func() error
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}
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func (e EventsListener) Attach(c *bot.Client) {
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c.Events.AddListener(
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bot.PacketHandler{Priority: 64, ID: packetid.ClientboundLogin, F: e.onJoinGame},
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bot.PacketHandler{Priority: 64, ID: packetid.ClientboundChat, F: e.onChatMsg},
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bot.PacketHandler{Priority: 64, ID: packetid.ClientboundDisconnect, F: e.onDisconnect},
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bot.PacketHandler{Priority: 64, ID: packetid.ClientboundSetHealth, F: e.onUpdateHealth},
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)
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}
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func (e *EventsListener) onJoinGame(_ pk.Packet) error {
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if e.GameStart != nil {
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return e.GameStart()
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}
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return nil
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}
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func (e *EventsListener) onDisconnect(p pk.Packet) error {
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if e.Disconnect != nil {
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var reason chat.Message
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if err := p.Scan(&reason); err != nil {
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return Error{err}
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}
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return e.Disconnect(reason)
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}
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return nil
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}
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func (e *EventsListener) onChatMsg(p pk.Packet) error {
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if e.ChatMsg != nil {
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var msg chat.Message
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var pos pk.Byte
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var sender pk.UUID
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if err := p.Scan(&msg, &pos, &sender); err != nil {
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return Error{err}
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}
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return e.ChatMsg(msg, byte(pos), uuid.UUID(sender))
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}
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return nil
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}
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func (e *EventsListener) onUpdateHealth(p pk.Packet) error {
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if e.ChatMsg != nil {
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var health pk.Float
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var food pk.VarInt
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var foodSaturation pk.Float
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if err := p.Scan(&health, &food, &foodSaturation); err != nil {
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return Error{err}
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}
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if e.HealthChange != nil {
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if err := e.HealthChange(float32(health)); err != nil {
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return err
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}
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}
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if e.Death != nil && health <= 0 {
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if err := e.Death(); err != nil {
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return err
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}
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}
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}
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return nil
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}
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