Bak

playPackets.go

@@ -3,7 +3,11 @@ package main
 import (
 	"bufio"
 	"bytes"
+	"errors"
 	"github.com/Tnze/go-mc/nbt"
+	"github.com/google/uuid"
+	"math/rand/v2"
+	"time"
 )
 
 func (player *Player) sendBundleDelimiter() error {
@@ -356,6 +360,140 @@ func (player *Player) sendPlayStart() error {
 
 }
 
-//func (player *Player) sendMapItemData(mapId int32) error {
-//	mapEntry := world.m
-//}
+func (player *Player) sendMapItemData(mapId int32) error {
+	var buf bytes.Buffer
+	mapEntry, found := world.Maps[mapId]
+	if found {
+		mapEntry.add(&buf)
+	}
+	return player.sendPacket(0x2C, &buf)
+}
+
+func (player *Player) sendMerchantOffers(windowID int32, entity *VillagerEntity) error {
+	var buf bytes.Buffer
+	entity.addOffers(&buf, windowID)
+	return player.sendPacket(0x2D, &buf)
+}
+
+func (player *Player) sendEntityPositionUpdate(entity *Entity, deltas []int16) error {
+	if len(deltas) != 3 {
+		return errors.New("invalid deltas")
+	}
+	var buf bytes.Buffer
+	addVarint(&buf, entity.ID)
+	addInt16(&buf, deltas[0])
+	addInt16(&buf, deltas[1])
+	addInt16(&buf, deltas[2])
+	addBool(&buf, entity.onGround())
+	return player.sendPacket(0x2E, &buf)
+}
+
+func (player *Player) sendEntityPositionRotationUpdate(entity *Entity, deltas []int16) error {
+	if len(deltas) != 3 {
+		return errors.New("invalid deltas")
+	}
+	var buf bytes.Buffer
+	addVarint(&buf, entity.ID)
+	addInt16(&buf, deltas[0])
+	addInt16(&buf, deltas[1])
+	addInt16(&buf, deltas[2])
+	addByte(&buf, entity.Rotation.Yaw)
+	addByte(&buf, entity.Rotation.Pitch)
+	addBool(&buf, entity.onGround())
+	return player.sendPacket(0x2F, &buf)
+}
+
+func (player *Player) sendEntityRotationUpdate(entity *Entity) error {
+	var buf bytes.Buffer
+	addVarint(&buf, entity.ID)
+	addByte(&buf, entity.Rotation.Yaw)
+	addByte(&buf, entity.Rotation.Pitch)
+	addBool(&buf, entity.onGround())
+	return player.sendPacket(0x30, &buf)
+}
+
+func (player *Player) sendVehicleMove() error {
+	if player.Entity.Vehicle != nil {
+		var buf bytes.Buffer
+		player.Entity.Vehicle.Position.add(&buf)
+		addFloat32(&buf, float32(player.Entity.Vehicle.Rotation.Yaw))
+		addFloat32(&buf, float32(player.Entity.Vehicle.Rotation.Pitch))
+		return player.sendPacket(0x31, &buf)
+	}
+	return errors.New("no vehicle")
+}
+
+func (player *Player) sendBookOpen(isOffHand bool) error {
+	var buf bytes.Buffer
+	hand := int32(0)
+	if isOffHand {
+		hand = 1
+	}
+	addVarint(&buf, hand)
+	return player.sendPacket(0x32, &buf)
+}
+
+func (player *Player) sendOpenScreen(windowID int32, window *Window, title TextComponent) error {
+	var buf bytes.Buffer
+	addVarint(&buf, windowID)
+	addVarint(&buf, window.ID)
+	addTextComponent(&buf, title)
+	return player.sendPacket(0x33, &buf)
+}
+
+func (player *Player) sendOpenSignEditor(blockPosition BlockPosition, front bool) error {
+	var buf bytes.Buffer
+	blockPosition.add(&buf)
+	addBool(&buf, front)
+	return player.sendPacket(0x34, &buf)
+}
+
+//0x35 is ping to client
+//0x36 is pong
+
+func (player *Player) sendGhostRecipe(windowID uint8, recipe string) error {
+	var buf bytes.Buffer
+	addByte(&buf, windowID)
+	addString(&buf, recipe)
+	return player.sendPacket(0x37, &buf)
+}
+
+func (player *Player) sendAbilities() error {
+	var buf bytes.Buffer
+	addByte(&buf, player.Abilites.export())
+	addFloat32(&buf, player.FlyingSpeed)
+	addFloat32(&buf, player.FOVModifier)
+	return player.sendPacket(0x38, &buf)
+}
+
+func (player *Player) sendChatMessage(sender *Player, message string) error {
+	var buf bytes.Buffer
+	//TODO IMPLEMENT
+	addUUID(&buf, sender.uuid)
+	addVarint(&buf, sender.MessageIndex)
+	addBool(&buf, false)
+	addString(&buf, message)
+	addInt64(&buf, time.Now().Unix())
+	addInt64(&buf, rand.Int64())
+	//not implementing secure chat
+	return player.sendPacket(0x39, &buf)
+}
+
+func (player *Player) sendDeath(message TextComponent) error {
+	var buf bytes.Buffer
+	addVarint(&buf, player.Entity.ID)
+	addTextComponent(&buf, message)
+	return player.sendPacket(0x3C, &buf)
+}
+
+func (player *Player) sendRemoveFromTab(playersToRemove []uuid.UUID) error {
+	if len(playersToRemove) > 0 {
+		var buf bytes.Buffer
+		addVarint(&buf, int32(len(playersToRemove)))
+		for _, playerToRemove := range playersToRemove {
+			addUUID(&buf, playerToRemove)
+		}
+		return player.sendPacket(0x3D, &buf)
+	}
+	return errors.New("no playersToRemove")
+}