101 lines
3.5 KiB
Go
101 lines
3.5 KiB
Go
package basic
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import (
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"unsafe"
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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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// WorldInfo content player info in server.
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type WorldInfo struct {
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DimensionType string
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DimensionNames []string // Identifiers for all worlds on the server.
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DimensionName string // Name of the world being spawned into.
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HashedSeed int64 // First 8 bytes of the SHA-256 hash of the world's seed. Used client side for biome noise
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MaxPlayers int32 // Was once used by the client to draw the player list, but now is ignored.
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ViewDistance int32 // Render distance (2-32).
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SimulationDistance int32 // The distance that the client will process specific things, such as entities.
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ReducedDebugInfo bool // If true, a vanilla client shows reduced information on the debug screen. For servers in development, this should almost always be false.
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EnableRespawnScreen bool // Set to false when the doImmediateRespawn gamerule is true.
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IsDebug bool // True if the world is a debug mode world; debug mode worlds cannot be modified and have predefined blocks.
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IsFlat bool // True if the world is a superflat world; flat worlds have different void fog and a horizon at y=0 instead of y=63.
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DoLimitCrafting bool // Whether players can only craft recipes they have already unlocked. Currently unused by the client.
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}
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type PlayerInfo struct {
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EID int32 // The player's Entity ID (EID).
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Hardcore bool // Is hardcore
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Gamemode byte // Gamemode. 0: Survival, 1: Creative, 2: Adventure, 3: Spectator.
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PrevGamemode int8 // Previous Gamemode
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}
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func (p *Player) handleLoginPacket(packet pk.Packet) error {
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err := packet.Scan(
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(*pk.Int)(&p.EID),
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(*pk.Boolean)(&p.Hardcore),
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pk.Array((*[]pk.Identifier)(unsafe.Pointer(&p.DimensionNames))),
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(*pk.VarInt)(&p.MaxPlayers),
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(*pk.VarInt)(&p.ViewDistance),
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(*pk.VarInt)(&p.SimulationDistance),
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(*pk.Boolean)(&p.ReducedDebugInfo),
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(*pk.Boolean)(&p.EnableRespawnScreen),
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(*pk.Boolean)(&p.DoLimitCrafting),
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(*pk.Identifier)(&p.WorldInfo.DimensionType),
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(*pk.Identifier)(&p.DimensionName),
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(*pk.Long)(&p.HashedSeed),
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(*pk.UnsignedByte)(&p.Gamemode),
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(*pk.Byte)(&p.PrevGamemode),
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(*pk.Boolean)(&p.IsDebug),
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(*pk.Boolean)(&p.IsFlat),
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// Death dimension & Death location & Portal cooldown are ignored
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)
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if err != nil {
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return Error{err}
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}
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err = p.c.Conn.WritePacket(pk.Marshal( // PluginMessage packet
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packetid.ServerboundCustomPayload,
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pk.Identifier("minecraft:brand"),
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pk.String(p.Settings.Brand),
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))
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if err != nil {
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return Error{err}
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}
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err = p.c.Conn.WritePacket(pk.Marshal(
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packetid.ServerboundClientInformation, // Client settings
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pk.String(p.Settings.Locale),
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pk.Byte(p.Settings.ViewDistance),
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pk.VarInt(p.Settings.ChatMode),
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pk.Boolean(p.Settings.ChatColors),
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pk.UnsignedByte(p.Settings.DisplayedSkinParts),
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pk.VarInt(p.Settings.MainHand),
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pk.Boolean(p.Settings.EnableTextFiltering),
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pk.Boolean(p.Settings.AllowListing),
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))
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if err != nil {
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return Error{err}
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}
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p.resetKeepAliveDeadline()
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return nil
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}
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func (p *Player) handleRespawnPacket(packet pk.Packet) error {
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var copyMeta bool
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err := packet.Scan(
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(*pk.String)(&p.DimensionType),
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(*pk.Identifier)(&p.DimensionName),
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(*pk.Long)(&p.HashedSeed),
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(*pk.UnsignedByte)(&p.Gamemode),
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(*pk.Byte)(&p.PrevGamemode),
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(*pk.Boolean)(&p.IsDebug),
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(*pk.Boolean)(&p.IsFlat),
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(*pk.Boolean)(©Meta),
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)
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if err != nil {
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return Error{err}
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}
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return nil
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}
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