Add 1.21.70 support

legacyver/legacypacket/client_movement_prediction_sync.go

@@ -0,0 +1,66 @@
+package legacypacket
+
+import (
+	"github.com/akmalfairuz/legacy-version/legacyver/proto"
+	"github.com/sandertv/gophertunnel/minecraft/protocol"
+	"github.com/sandertv/gophertunnel/minecraft/protocol/packet"
+)
+
+const ClientMovementPredictionSyncBitsetSize = 123
+
+// ClientMovementPredictionSync is sent by the client to the server periodically if the client has received
+// movement corrections from the server, containing information about client-predictions that are relevant
+// to movement.
+type ClientMovementPredictionSync struct {
+	// ActorFlags is a bitset of all the flags that are currently set for the client.
+	ActorFlags protocol.Bitset
+	// BoundingBoxScale is the scale of the client's bounding box.
+	BoundingBoxScale float32
+	// BoundingBoxWidth is the width of the client's bounding box.
+	BoundingBoxWidth float32
+	// BoundingBoxHeight is the height of the client's bounding box.
+	BoundingBoxHeight float32
+	// MovementSpeed is the movement speed attribute or 0 if not set.
+	MovementSpeed float32
+	// UnderwaterMovementSpeed is the underwater movement speed attribute or 0 if not set.
+	UnderwaterMovementSpeed float32
+	// LavaMovementSpeed is the lava movement speed attribute or 0 if not set.
+	LavaMovementSpeed float32
+	// JumpStrength is the jump strength attribute or 0 if not set.
+	JumpStrength float32
+	// Health is the health attribute or 0 if not set.
+	Health float32
+	// Hunger is the hunger attribute or 0 if not set.
+	Hunger float32
+	// EntityUniqueID is the unique ID of the entity. The unique ID is a value that remains consistent across
+	// different sessions of the same world.
+	EntityUniqueID int64
+	// Flying specifies if the client is currently flying.
+	Flying bool
+}
+
+// ID ...
+func (*ClientMovementPredictionSync) ID() uint32 {
+	return packet.IDClientMovementPredictionSync
+}
+
+func (pk *ClientMovementPredictionSync) Marshal(io protocol.IO) {
+	if proto.IsProtoGTE(io, proto.ID786) {
+		io.Bitset(&pk.ActorFlags, ClientMovementPredictionSyncBitsetSize)
+	} else {
+		io.Bitset(&pk.ActorFlags, 120)
+	}
+	io.Float32(&pk.BoundingBoxScale)
+	io.Float32(&pk.BoundingBoxWidth)
+	io.Float32(&pk.BoundingBoxHeight)
+	io.Float32(&pk.MovementSpeed)
+	io.Float32(&pk.UnderwaterMovementSpeed)
+	io.Float32(&pk.LavaMovementSpeed)
+	io.Float32(&pk.JumpStrength)
+	io.Float32(&pk.Health)
+	io.Float32(&pk.Hunger)
+	io.Varint64(&pk.EntityUniqueID)
+	if proto.IsProtoGTE(io, proto.ID786) {
+		io.Bool(&pk.Flying)
+	}
+}