First support 1.21.130

legacyver/legacypacket/event.go

@@ -0,0 +1,39 @@
+package legacypacket
+
+import (
+	"github.com/akmalfairuz/legacy-version/internal/typeconf"
+	"github.com/akmalfairuz/legacy-version/legacyver/proto"
+	"github.com/sandertv/gophertunnel/minecraft/protocol"
+	"github.com/sandertv/gophertunnel/minecraft/protocol/packet"
+)
+
+// Event is sent by the server to send an event with additional data. It is typically sent to the client for
+// telemetry reasons, much like the SimpleEvent packet.
+type Event struct {
+	// EntityRuntimeID is the runtime ID of the player. The runtime ID is unique for each world session, and
+	// entities are generally identified in packets using this runtime ID.
+	EntityRuntimeID int64
+	// UsePlayerID ...
+	// TODO: Figure out what UsePlayerID is for.
+	UsePlayerID bool
+	// Event is the event that is transmitted.
+	Event protocol.Event
+}
+
+// ID ...
+func (*Event) ID() uint32 {
+	return packet.IDEvent
+}
+
+func (pk *Event) Marshal(io protocol.IO) {
+	io.Varint64(&pk.EntityRuntimeID)
+	io.EventType(&pk.Event)
+	if proto.IsProtoGTE(io, proto.ID898) {
+		io.Bool(&pk.UsePlayerID)
+	} else {
+		v := typeconf.BoolToByte(pk.UsePlayerID)
+		io.Uint8(&v)
+		pk.UsePlayerID = typeconf.ByteToBool(v)
+	}
+	pk.Event.Marshal(io)
+}