UpdateHealthPacket

protocol/src/main/java/mc/protocol/State.java

@@ -60,6 +60,7 @@ public enum State {
 					JoinGamePacket.class, 0x23,
 					PlayerAbilitiesPacket.class,0x2C,
 					SPlayerPositionAndLookPacket.class, 0x2F,
+					UpdateHealthPacket.class, 0x41,
 					SpawnPositionPacket.class, 0x46
 			)
 	);

protocol/src/main/java/mc/protocol/packets/server/UpdateHealthPacket.java

@@ -0,0 +1,35 @@
+package mc.protocol.packets.server;
+
+import lombok.Data;
+import mc.protocol.io.NetByteBuf;
+import mc.protocol.packets.ServerSidePacket;
+
+/**
+ * Update Health Packet.
+ *
+ * <p>Структура пакета</p>
+ * <pre>
+ * | FIELD           | TYPE   | NOTES                            |
+ * |-----------------|--------|----------------------------------|
+ * | Health          | Float  | 0 = смерть; 20 = полное здоровье |
+ * | Food            | VarInt | 0-20                             |
+ * | Food Saturation | Float  | 0-5                              |
+ * </pre>
+ *
+ * @see <a href="https://wiki.vg/index.php?title=Protocol&oldid=14204#Update_Health">Update Health</a>
+ * @see <a href="https://minecraft.fandom.com/wiki/Food#Hunger_and_saturation">Food: Hunger and saturation</a>
+ */
+@Data
+public class UpdateHealthPacket implements ServerSidePacket {
+
+	private float health;
+	private int food;
+	private float foodSaturation;
+
+	@Override
+	public void writeSelf(NetByteBuf netByteBuf) {
+		netByteBuf.writeFloat(this.health);
+		netByteBuf.writeVarInt(this.food);
+		netByteBuf.writeFloat(this.foodSaturation);
+	}
+}