Add 1.21.2 & 1.21.0 support

legacyver/legacypacket/disconnect.go

@@ -0,0 +1,40 @@
+package legacypacket
+
+import (
+	"github.com/akmalfairuz/legacy-version/legacyver/proto"
+	"github.com/sandertv/gophertunnel/minecraft/protocol"
+	"github.com/sandertv/gophertunnel/minecraft/protocol/packet"
+)
+
+// Disconnect may be sent by the server to disconnect the client using an optional message to send as the
+// disconnect screen.
+type Disconnect struct {
+	// Reason is the reason for the disconnection. It seems as if this field has no use other than for
+	// telemetry reasons as it does not affect the message that gets displayed on the disconnect screen.
+	Reason int32
+	// HideDisconnectionScreen specifies if the disconnection screen should be hidden when the client is
+	// disconnected, meaning it will be sent directly to the main menu.
+	HideDisconnectionScreen bool
+	// Message is an optional message to show when disconnected. This message is only written if the
+	// HideDisconnectionScreen field is set to true.
+	Message string
+	// FilteredMessage is a filtered version of Message with all the profanity removed. The client will use
+	// this over Message if this field is not empty and they have the "Filter Profanity" setting enabled.
+	FilteredMessage string
+}
+
+// ID ...
+func (*Disconnect) ID() uint32 {
+	return packet.IDDisconnect
+}
+
+func (pk *Disconnect) Marshal(io protocol.IO) {
+	io.Varint32(&pk.Reason)
+	io.Bool(&pk.HideDisconnectionScreen)
+	if !pk.HideDisconnectionScreen {
+		io.String(&pk.Message)
+		if proto.IsProtoGTE(io, proto.ID712) {
+			io.String(&pk.FilteredMessage)
+		}
+	}
+}