Palette support 1

server/gameplay.go

@@ -1,8 +1,15 @@
 package server
 
 import (
-	"github.com/Tnze/go-mc/net"
+	_ "embed"
+	"github.com/Tnze/go-mc/nbt"
+	"sync/atomic"
+
 	"github.com/google/uuid"
+
+	"github.com/Tnze/go-mc/data/packetid"
+	"github.com/Tnze/go-mc/net"
+	pk "github.com/Tnze/go-mc/net/packet"
 )
 
 type GamePlay interface {
@@ -12,3 +19,50 @@ type GamePlay interface {
 	// You don't need to close the connection, but to keep not returning while the player is playing.
 	AcceptPlayer(name string, id uuid.UUID, protocol int32, conn *net.Conn)
 }
+
+type Game struct {
+	eid int32
+	Dim Dimension
+}
+
+//go:embed DimensionCodec.snbt
+var dimensionCodecSNBT string
+
+//go:embed Dimension.snbt
+var dimensionSNBT string
+
+func (g *Game) AcceptPlayer(name string, id uuid.UUID, protocol int32, conn *net.Conn) {
+	p := &Player{
+		Conn:     conn,
+		EntityID: g.newEID(),
+		Gamemode: 1,
+	}
+	dimInfo := g.Dim.Info()
+	err := p.WritePacket(Packet757(pk.Marshal(
+		packetid.ClientboundLogin,
+		pk.Int(p.EntityID),  // Entity ID
+		pk.Boolean(false),   // Is hardcore
+		pk.Byte(p.Gamemode), // Gamemode
+		pk.Byte(-1),         // Prev Gamemode
+		pk.Array([]pk.Identifier{pk.Identifier(dimInfo.Name)}),
+		pk.NBT(nbt.StringifiedMessage(dimensionCodecSNBT)),
+		pk.NBT(nbt.StringifiedMessage(dimensionSNBT)),
+		pk.Identifier(dimInfo.Name), // World Name
+		pk.Long(dimInfo.HashedSeed), // Hashed seed
+		pk.VarInt(0),                // Max Players (Ignored by client)
+		pk.VarInt(15),               // View Distance
+		pk.VarInt(15),               // Simulation Distance
+		pk.Boolean(false),           // Reduced Debug Info
+		pk.Boolean(true),            // Enable respawn screen
+		pk.Boolean(false),           // Is Debug
+		pk.Boolean(true),            // Is Flat
+	)))
+	if err != nil {
+		return
+	}
+	g.Dim.PlayerJoin(p)
+}
+
+func (g *Game) newEID() int32 {
+	return atomic.AddInt32(&g.eid, 1)
+}