98 lines
2.4 KiB
Go
98 lines
2.4 KiB
Go
package server
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import (
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_ "embed"
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"github.com/Tnze/go-mc/chat"
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"github.com/Tnze/go-mc/nbt"
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"sync/atomic"
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"github.com/google/uuid"
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"github.com/Tnze/go-mc/data/packetid"
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"github.com/Tnze/go-mc/net"
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pk "github.com/Tnze/go-mc/net/packet"
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)
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type GamePlay interface {
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// AcceptPlayer handle everything after "LoginSuccess" is sent.
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//
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// Note: the connection will be closed after this function returned.
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// You don't need to close the connection, but to keep not returning while the player is playing.
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AcceptPlayer(name string, id uuid.UUID, protocol int32, conn *net.Conn)
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}
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type Game struct {
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eid int32
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Dim Level
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*PlayerList
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}
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//go:embed DimensionCodec.snbt
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var dimensionCodecSNBT string
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//go:embed Dimension.snbt
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var dimensionSNBT string
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func (g *Game) AcceptPlayer(name string, id uuid.UUID, protocol int32, conn *net.Conn) {
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remove := g.PlayerList.TryInsert(PlayerSample{
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Name: name,
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ID: id,
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})
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if remove == nil {
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_ = conn.WritePacket(pk.Marshal(
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packetid.ClientboundDisconnect,
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chat.TranslateMsg("multiplayer.disconnect.server_full"),
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))
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return
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}
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defer remove()
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p := &Player{
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Conn: conn,
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EntityID: g.newEID(),
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Gamemode: 1,
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}
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dimInfo := g.Dim.Info()
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err := p.WritePacket(Packet757(pk.Marshal(
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packetid.ClientboundLogin,
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pk.Int(p.EntityID), // Entity ID
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pk.Boolean(false), // Is hardcore
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pk.Byte(p.Gamemode), // Gamemode
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pk.Byte(-1), // Prev Gamemode
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pk.Array([]pk.Identifier{pk.Identifier(dimInfo.Name)}),
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pk.NBT(nbt.StringifiedMessage(dimensionCodecSNBT)),
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pk.NBT(nbt.StringifiedMessage(dimensionSNBT)),
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pk.Identifier(dimInfo.Name), // World Name
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pk.Long(dimInfo.HashedSeed), // Hashed seed
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pk.VarInt(0), // Max Players (Ignored by client)
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pk.VarInt(15), // View Distance
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pk.VarInt(15), // Simulation Distance
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pk.Boolean(false), // Reduced Debug Info
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pk.Boolean(true), // Enable respawn screen
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pk.Boolean(false), // Is Debug
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pk.Boolean(true), // Is Flat
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)))
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if err != nil {
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return
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}
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g.Dim.PlayerJoin(p)
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defer g.Dim.PlayerQuit(p)
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var packet pk.Packet
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for {
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err := p.ReadPacket(&packet)
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if err != nil {
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return
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}
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for _, ph := range p.handlers[packet.ID] {
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err = ph(p, Packet757(packet))
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}
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if err != nil {
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return
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}
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}
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}
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func (g *Game) newEID() int32 {
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return atomic.AddInt32(&g.eid, 1)
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}
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