feat: multiprotocol 1.21.124

Author: HashimTheArab

cmd/main.go

@@ -14,6 +14,7 @@ import (
 	"github.com/df-mc/dragonfly/server/world"
 	"github.com/didntpot/pregdk"
 	"github.com/pelletier/go-toml"
+	"github.com/sandertv/gophertunnel/minecraft"
 	"github.com/secmc/plugin/plugin/adapters/handlers"
 	"github.com/secmc/plugin/plugin/adapters/plugin"
 	pcfg "github.com/secmc/plugin/plugin/config"
@@ -94,6 +95,9 @@ func readConfig(log *slog.Logger) (server.Config, error) {
 		}
 	}
 	cfg, _ := c.Config(log)
-	listenerFunc(&cfg, c.Network.Address, single(pregdk.Protocol(false)))
+	listenerFunc(&cfg, c.Network.Address, []minecraft.Protocol{
+		pregdk.Protocol(false),
+		basicProtocol{Protocol: 860, Version: "1.21.124"},
+	})
 	return cfg, nil
 }

cmd/protocol.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"github.com/sandertv/gophertunnel/minecraft"
+	"github.com/sandertv/gophertunnel/minecraft/protocol"
+	"github.com/sandertv/gophertunnel/minecraft/protocol/packet"
+)
+
+// basicProtocol can be used to support multiple versions in cases of a simple Minecraft protocol
+// update where there were minimal changes.
+type basicProtocol struct {
+	Protocol int32
+	Version  string
+}
+
+func (b basicProtocol) ID() int32   { return b.Protocol }
+func (b basicProtocol) Ver() string { return b.Version }
+
+func (b basicProtocol) Packets(listener bool) packet.Pool {
+	if listener {
+		return packet.NewClientPool()
+	}
+	return packet.NewServerPool()
+}
+
+func (b basicProtocol) NewReader(r minecraft.ByteReader, shieldID int32, enableLimits bool) protocol.IO {
+	return protocol.NewReader(r, shieldID, enableLimits)
+}
+
+func (b basicProtocol) NewWriter(w minecraft.ByteWriter, shieldID int32) protocol.IO {
+	return protocol.NewWriter(w, shieldID)
+}
+
+func (b basicProtocol) ConvertToLatest(pk packet.Packet, _ *minecraft.Conn) []packet.Packet {
+	return []packet.Packet{pk}
+}
+
+func (b basicProtocol) ConvertFromLatest(pk packet.Packet, _ *minecraft.Conn) []packet.Packet {
+	return []packet.Packet{pk}
+}