PlayerOnGroundPacket

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

@@ -58,6 +58,7 @@ public enum State {
 					0x04, ClientSettingsPacket.class,
 					0x09, PluginMessagePacket.class,
 					0x0B, KeepAlivePacket.class,
+					0x0C, PlayerOnGroundPacket.class,
 					0x0D, PlayerPositionPacket.class,
 					0x0E, CPlayerPositionAndLookPacket.class,
 					0x0F, PlayerLookPacket.class,

protocol/src/main/java/mc/protocol/packets/play/client/PlayerOnGroundPacket.java

@@ -0,0 +1,39 @@
+package mc.protocol.packets.play.client;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+import mc.protocol.buffer.NetByteBuf;
+import mc.protocol.packets.ClientSidePacket;
+
+/**
+ * Клиент сообщает: на земле ли он.
+ *
+ * <p>Структура пакета</p>
+ * <pre>
+ * | FIELD     | TYPE    | NOTES                                       |
+ * |-----------|---------|---------------------------------------------|
+ * | On Ground | Boolean | true, если Игрок находится на земле         |
+ * </pre>
+ *
+ * @see <a href="https://wiki.vg/index.php?title=Protocol&oldid=14204#Player">Player</a>
+ */
+@NoArgsConstructor
+@Getter
+@EqualsAndHashCode
+@ToString
+public class PlayerOnGroundPacket implements ClientSidePacket {
+
+	private boolean onGround;
+
+	@Override
+	public void readSelf(NetByteBuf netByteBuf) {
+		this.onGround = netByteBuf.readBoolean();
+	}
+
+	@Override
+	public void passivate() {
+		onGround = false;
+	}
+}