Update legacy protocol support to v1.21.90

legacyver/legacypacket/sub_chunk.go

@@ -0,0 +1,35 @@
+package legacypacket
+
+import (
+	"github.com/akmalfairuz/legacy-version/legacyver/proto"
+	"github.com/sandertv/gophertunnel/minecraft/protocol"
+	"github.com/sandertv/gophertunnel/minecraft/protocol/packet"
+)
+
+// SubChunk sends data about multiple sub-chunks around a center point.
+type SubChunk struct {
+	// CacheEnabled is whether the sub-chunk caching is enabled or not.
+	CacheEnabled bool
+	// Dimension is the dimension the sub-chunks are in.
+	Dimension int32
+	// Position is an absolute sub-chunk center point that every SubChunkRequest uses as a reference.
+	Position protocol.SubChunkPos
+	// SubChunkEntries contains sub-chunk entries relative to the center point.
+	SubChunkEntries []proto.SubChunkEntry
+}
+
+// ID ...
+func (*SubChunk) ID() uint32 {
+	return packet.IDSubChunk
+}
+
+func (pk *SubChunk) Marshal(io protocol.IO) {
+	io.Bool(&pk.CacheEnabled)
+	io.Varint32(&pk.Dimension)
+	io.SubChunkPos(&pk.Position)
+	if pk.CacheEnabled {
+		protocol.SliceUint32Length(io, &pk.SubChunkEntries)
+	} else {
+		protocol.FuncIOSliceUint32Length(io, &pk.SubChunkEntries, proto.SubChunkEntryNoCache)
+	}
+}