First support 1.21.130

legacyver/legacypacket/command_request.go

@@ -0,0 +1,43 @@
+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"
+)
+
+// CommandRequest is sent by the client to request the execution of a server-side command. Although some
+// servers support sending commands using the Text packet, this packet is guaranteed to have the correct
+// result.
+type CommandRequest struct {
+	// CommandLine is the raw entered command line. The client does no parsing of the command line by itself
+	// (unlike it did in the early stages), but lets the server do that.
+	CommandLine string
+	// CommandOrigin is the data specifying the origin of the command. In other words, the source that the
+	// command was from, such as the player itself or a websocket server.
+	CommandOrigin protocol.CommandOrigin
+	// Internal specifies if the command request internal. Setting it to false seems to work and the usage of
+	// this field is not known.
+	Internal bool
+	// Version is the version of the command that is being executed. This field currently has no purpose or functionality.
+	Version string
+}
+
+// ID ...
+func (*CommandRequest) ID() uint32 {
+	return packet.IDCommandRequest
+}
+
+func (pk *CommandRequest) Marshal(io protocol.IO) {
+	io.String(&pk.CommandLine)
+	protocol.CommandOriginData(io, &pk.CommandOrigin)
+	io.Bool(&pk.Internal)
+	if proto.IsProtoGTE(io, proto.ID898) {
+		io.String(&pk.Version)
+	} else {
+		v := typeconf.StringToInt[int32](pk.Version, 0)
+		io.Varint32(&v)
+		pk.Version = typeconf.IntToString[int32](v, "")
+	}
+}