Add 1.21.20

legacyver/legacypacket/update_attributes.go

@@ -0,0 +1,32 @@
+package legacypacket
+
+import (
+	"github.com/akmalfairuz/legacy-version/legacyver/proto"
+	"github.com/sandertv/gophertunnel/minecraft/protocol"
+	"github.com/sandertv/gophertunnel/minecraft/protocol/packet"
+)
+
+// UpdateAttributes is sent by the server to update an amount of attributes of any entity in the world. These
+// attributes include ones such as the health or the movement speed of the entity.
+type UpdateAttributes struct {
+	// EntityRuntimeID is the runtime ID of the entity. The runtime ID is unique for each world session, and
+	// entities are generally identified in packets using this runtime ID.
+	EntityRuntimeID uint64
+	// Attributes is a slice of new attributes that the entity gets. It includes attributes such as its
+	// health, movement speed, etc. Note that only changed attributes have to be sent in this packet. It is
+	// not required to send attributes that did not have their values changed.
+	Attributes []proto.Attribute
+	// Tick is the server tick at which the packet was sent. It is used in relation to CorrectPlayerMovePrediction.
+	Tick uint64
+}
+
+// ID ...
+func (*UpdateAttributes) ID() uint32 {
+	return packet.IDUpdateAttributes
+}
+
+func (pk *UpdateAttributes) Marshal(io protocol.IO) {
+	io.Varuint64(&pk.EntityRuntimeID)
+	protocol.Slice(io, &pk.Attributes)
+	io.Varuint64(&pk.Tick)
+}