src/protocolsupport/api/ProtocolVersion.java - minecraft/protocolsupport - Rivoreo Source Code Repositories

 package protocolsupport.api;

 import java.text.MessageFormat;
 import java.util.Arrays;
 import java.util.EnumMap;
 import java.util.stream.Collectors;

 import org.apache.commons.lang3.Validate;

 import protocolsupport.utils.Utils;
 import protocolsupportbuildprocessor.Preload;

 @Preload
 public enum ProtocolVersion {

 	MINECRAFT_FUTURE(-1, new OrderId(ProtocolType.PC, 23)),
 	MINECRAFT_1_13_2(404, new OrderId(ProtocolType.PC, 22), "1.13.2"),
 	MINECRAFT_1_13_1(401, new OrderId(ProtocolType.PC, 21), "1.13.1"),
 	MINECRAFT_1_13(393, new OrderId(ProtocolType.PC, 20), "1.13"),
 	MINECRAFT_1_12_2(340, new OrderId(ProtocolType.PC, 19), "1.12.2"),
 	MINECRAFT_1_12_1(338, new OrderId(ProtocolType.PC, 18), "1.12.1"),
 	MINECRAFT_1_12(335, new OrderId(ProtocolType.PC, 17), "1.12"),
 	MINECRAFT_1_11_1(316, new OrderId(ProtocolType.PC, 16), "1.11.2"),
 	MINECRAFT_1_11(315, new OrderId(ProtocolType.PC, 15), "1.11"),
 	MINECRAFT_1_10(210, new OrderId(ProtocolType.PC, 14), "1.10"),
 	MINECRAFT_1_9_4(110, new OrderId(ProtocolType.PC, 13), "1.9.4"),
 	MINECRAFT_1_9_2(109, new OrderId(ProtocolType.PC, 12), "1.9.2"),
 	MINECRAFT_1_9_1(108, new OrderId(ProtocolType.PC, 11), "1.9.1"),
 	MINECRAFT_1_9(107, new OrderId(ProtocolType.PC, 10), "1.9"),
 	MINECRAFT_1_8(47, new OrderId(ProtocolType.PC, 9), "1.8"),
 	MINECRAFT_1_7_10(5, new OrderId(ProtocolType.PC, 8), "1.7.10"),
 	MINECRAFT_1_7_5(4, new OrderId(ProtocolType.PC, 7), "1.7.5"),
 	MINECRAFT_1_6_4(78, new OrderId(ProtocolType.PC, 6), "1.6.4"),
 	MINECRAFT_1_6_2(74, new OrderId(ProtocolType.PC, 5), "1.6.2"),
 	MINECRAFT_1_6_1(73, new OrderId(ProtocolType.PC, 4), "1.6.1"),
 	MINECRAFT_1_5_2(61, new OrderId(ProtocolType.PC, 3), "1.5.2"),
 	MINECRAFT_1_5_1(60, new OrderId(ProtocolType.PC, 2), "1.5.1"),
 	MINECRAFT_1_4_7(51, new OrderId(ProtocolType.PC, 1), "1.4.7"),
 	MINECRAFT_LEGACY(-1, new OrderId(ProtocolType.PC, 0)),
 	UNKNOWN(-1, new OrderId(ProtocolType.UNKNOWN, 0));

 	private final int id;
 	private final OrderId orderId;
 	private final String name;

 	ProtocolVersion(int id, OrderId orderid) {
 		this(id, orderid, null);
 	}

 	ProtocolVersion(int id, OrderId orderId, String name) {
 		this.id = id;
 		this.orderId = orderId;
 		this.name = name;
 	}

 	private static final ProtocolVersion[] allSupported = Arrays.stream(ProtocolVersion.values())
 	.filter(ProtocolVersion::isSupported)
 	.collect(Collectors.toList())
 	.toArray(new ProtocolVersion[0]);

 	private static final EnumMap<ProtocolType, ProtocolVersion[]> byOrderId = new EnumMap<>(ProtocolType.class);
 	static {
 		for (ProtocolType type : ProtocolType.values()) {
 			if (type != ProtocolType.UNKNOWN) {
 				byOrderId.put(type,
 					Arrays.stream(ProtocolVersion.values())
 					.filter(version -> version.getProtocolType() == type)
 					.sorted((o1, o2) -> o1.orderId.compareTo(o2.orderId))
 					.toArray(size -> new ProtocolVersion[size])
 				);
 			}
 		}
 	}

 	/**
 	 * Return protocol type of this protocol version
 	 * @return {@link ProtocolType} of this protocol version
 	 */
 	public ProtocolType getProtocolType() {
 		return orderId.type;
 	}

 	/**
 	 * Returns the network version id of this protocol version
 	 * @return network id of this protocol version
 	 */
 	public int getId() {
 		return id;
 	}

 	/**
 	 * Returns user friendly version name <br>
 	 * This name can change, so it shouldn't be used as a key anywhere
 	 * @return user friendly version name
 	 */
 	public String getName() {
 		return name;
 	}

 	/**
 	 * Returns if this version is supported as game version (i.e.: player can possibly join and play on the server)
 	 * @return true if this protocol version is supported
 	 */
 	public boolean isSupported() {
 		return name != null;
 	}

 	/**
 	 * Returns if the game version used by this protocol released after the game version used by another protocol version
 	 * @param another another protocol version
 	 * @return true if game version is released after the game version used by another protocol version
 	 * @throws IllegalArgumentException if protocol versions use different protocol types
 	 */
 	public boolean isAfter(ProtocolVersion another) {
 		return orderId.compareTo(another.orderId) > 0;
 	}

 	/**
 	 * Returns if the game version used by this protocol released after (or is the same) the game version used by another protocol version
 	 * @param another another protocol version
 	 * @return true if game version is released after (or is the same) the game version used by another protocol version
 	 * @throws IllegalArgumentException if protocol versions use different protocol types
 	 */
 	public boolean isAfterOrEq(ProtocolVersion another) {
 		return orderId.compareTo(another.orderId) >= 0;
 	}

 	/**
 	 * Returns if the game version used by this protocol released before the game version used by another protocol version
 	 * @param another another protocol version
 	 * @return true if game version is released before the game version used by another protocol version
 	 * @throws IllegalArgumentException if protocol versions use different protocol types
 	 */
 	public boolean isBefore(ProtocolVersion another) {
 		return orderId.compareTo(another.orderId) < 0;
 	}

 	/**
 	 * Returns if the game version used by this protocol released before (or is the same) the game version used by another protocol version
 	 * @param another another protocol version
 	 * @return true if game version is released before (or is the same) the game version used by another protocol version
 	 * @throws IllegalArgumentException if protocol versions use different protocol types
 	 */
 	public boolean isBeforeOrEq(ProtocolVersion another) {
 		return orderId.compareTo(another.orderId) <= 0;
 	}

 	/**
 	 * Returns if the game version used by this protocol released in between (or is the same) of other game versions used by others protocol versions
 	 * @param one one protocol version
 	 * @param another another protocol version
 	 * @return true if the game version used by this protocol released in between (or is the same) of other game versions used by others protocol versions
 	 * @throws IllegalArgumentException if protocol versions use different protocol types
 	 */
 	public boolean isBetween(ProtocolVersion one, ProtocolVersion another) {
 		return (isAfterOrEq(one) && isBeforeOrEq(another)) || (isBeforeOrEq(one) && isAfterOrEq(another));
 	}

 	/**
 	 * Returns protocol version that is used by the game version released after game version used by this protocol <br>
 	 * Returns null if next game version doesn't exist
 	 * @return protocol version that is used by the game version released after game version used by this protocol
 	 * @throws IllegalArgumentException if protocol type is {@link ProtocolType#UNKNOWN}
 	 */
 	public ProtocolVersion next() {
 		Validate.isTrue(getProtocolType() != ProtocolType.UNKNOWN, "Can't get next version for unknown protocol type");
 		return Utils.getFromArrayOrNull(byOrderId.get(getProtocolType()), orderId.id + 1);
 	}

 	/**
 	 * Returns protocol version that is used by the game version released before game version used by this protocol <br>
 	 * Returns null if previous game version doesn't exist
 	 * @return protocol version that is used by the game version released before game version used by this protocol
 	 * @throws IllegalArgumentException if protocol type is {@link ProtocolType#UNKNOWN}
 	 */
 	public ProtocolVersion previous() {
 		Validate.isTrue(getProtocolType() != ProtocolType.UNKNOWN, "Can't get next version for unknown protocol type");
 		return Utils.getFromArrayOrNull(byOrderId.get(getProtocolType()), orderId.id - 1);
 	}

 	/**
 	 * Returns all protocol versions that are between specified ones (inclusive) <br>
 	 * Throws {@link IllegalArgumentException} if protocol versions types are not the same or one of the types is {@link ProtocolType#UNKNOWN}
 	 * @param one one protocol version
 	 * @param another one protocol version
 	 * @return all protocol versions that are between specified ones (inclusive)
 	 * @throws IllegalArgumentException if protocol types are different, or one of the protocol types is {@link ProtocolType#UNKNOWN}
 	 */
 	public static ProtocolVersion[] getAllBetween(ProtocolVersion one, ProtocolVersion another) {
 		ProtocolType type = one.getProtocolType();
 		Validate.isTrue(type == another.getProtocolType(), "Can't get versions between different protocol types");
 		Validate.isTrue(type != ProtocolType.UNKNOWN, "Can't get versions for unknown protocol type");
 		ProtocolVersion[] versions = byOrderId.get(type);
 		int startId = Math.min(one.orderId.id, another.orderId.id);
 		int endId = Math.max(one.orderId.id, another.orderId.id);
 		ProtocolVersion[] between = new ProtocolVersion[(endId - startId) + 1];
 		for (int i = startId; i <= endId; i++) {
 			between[i - startId] = versions[i];
 		}
 		return between;
 	}

 	/**
 	 * Returns all protocol versions that are after specified one (inclusive) <br>
 	 * @param version protocol version
 	 * @return all protocol versions that are after specified one (including this one)
 	 * @throws IllegalArgumentException if {@link ProtocolVersion#getAllBetween(ProtocolVersion, ProtocolVersion)} throws one
 	 */
 	public static ProtocolVersion[] getAllAfterI(ProtocolVersion version) {
 		return getAllBetween(version, getLatest(version.getProtocolType()));
 	}

 	/**
 	 * Returns all protocol versions that are after specified one (exclusive)
 	 * @param version protocol version
 	 * @return all protocol versions that are after specified one  (exclusive) or empty array if no protocol versions exist after this one
 	 * @throws IllegalArgumentException if {@link ProtocolVersion#getAllBetween(ProtocolVersion, ProtocolVersion)} throws one
 	 */
 	public static ProtocolVersion[] getAllAfterE(ProtocolVersion version) {
 		ProtocolVersion next = version.next();
 		if ((next == null) || !next.isSupported()) {
 			return new ProtocolVersion[0];
 		} else {
 			return getAllAfterI(next);
 		}
 	}

 	/**
 	 * Returns all protocol versions that are before specified one (inclusive)
 	 * @param version protocol version
 	 * @return all protocol versions that are before specified one (including this one)
 	 * @throws IllegalArgumentException if {@link ProtocolVersion#getAllBetween(ProtocolVersion, ProtocolVersion)} throws one
 	 */
 	public static ProtocolVersion[] getAllBeforeI(ProtocolVersion version) {
 		return getAllBetween(getOldest(version.getProtocolType()), version);
 	}

 	/**
 	 * Returns all protocol versions that are before specified one (exclusive)
 	 * @param version protocol version
 	 * @return all protocol versions that are before specified one  (exclusive) or empty array if no protocol versions exist after this one
 	 * @throws IllegalArgumentException if {@link ProtocolVersion#getAllBetween(ProtocolVersion, ProtocolVersion)} throws one
 	 */
 	public static ProtocolVersion[] getAllBeforeE(ProtocolVersion version) {
 		ProtocolVersion prev = version.previous();
 		if ((prev == null) || !prev.isSupported()) {
 			return new ProtocolVersion[0];
 		} else {
 			return getAllBeforeI(prev);
 		}
 	}

 	/**
 	 * Returns latest supported protocol version for specified protocol type
 	 * @param type protocol type
 	 * @return latest supported protocol version for specified protocol type
 	 * @throws IllegalArgumentException if protocol type has no supported protocol versions
 	 */
 	public static ProtocolVersion getLatest(ProtocolType type) {
 		switch (type) {
 			case PC: {
 				return MINECRAFT_1_13_2;
 			}
 			default: {
 				throw new IllegalArgumentException(MessageFormat.format("No supported versions for protocol type {0}", type));
 			}
 		}
 	}

 	/**
 	 * Returns oldest supported protocol version for specified protocol type
 	 * @param type protocol type
 	 * @return oldest supported protocol version for specified protocol type
 	 * @throws IllegalArgumentException if protocol type has no supported protocol versions
 	 */
 	public static ProtocolVersion getOldest(ProtocolType type) {
 		switch (type) {
 			case PC: {
 				return MINECRAFT_1_4_7;
 			}
 			default: {
 				throw new IllegalArgumentException(MessageFormat.format("No supported versions for protocol type {0}", type));
 			}
 		}
 	}

 	/**
 	 * Returns all supported protocol versions
 	 * @return all supported protocol versions
 	 */
 	public static ProtocolVersion[] getAllSupported() {
 		return allSupported.clone();
 	}


 	private static class OrderId implements Comparable<OrderId> {

 		private final ProtocolType type;
 		private final int id;

 		public OrderId(ProtocolType type, int id) {
 			this.type = type;
 			this.id = id;
 		}

 		@Override
 		public int compareTo(OrderId o) {
 			Validate.isTrue(this.type != ProtocolType.UNKNOWN, "Can't compare unknown protocol type");
 			Validate.isTrue(o.type != ProtocolType.UNKNOWN, "Can't compare with unknown protocol type");
 			Validate.isTrue(this.type == o.type, "Cant compare order from different types");
 			return Integer.compare(id, o.id);
 		}

 		@Override
 		public boolean equals(Object obj) {
 			if (obj == null) {
 				return false;
 			}
 			if (!getClass().equals(obj.getClass())) {
 				return false;
 			}
 			return id == ((OrderId) obj).id;
 		}

 		@Override
 		public int hashCode() {
 			return id;
 		}

 	}

 }
	package protocolsupport.api;

	import java.text.MessageFormat;
	import java.util.Arrays;
	import java.util.EnumMap;
	import java.util.stream.Collectors;

	import org.apache.commons.lang3.Validate;

	import protocolsupport.utils.Utils;
	import protocolsupportbuildprocessor.Preload;

	@Preload
	public enum ProtocolVersion {

	MINECRAFT_FUTURE(-1, new OrderId(ProtocolType.PC, 23)),
	MINECRAFT_1_13_2(404, new OrderId(ProtocolType.PC, 22), "1.13.2"),
	MINECRAFT_1_13_1(401, new OrderId(ProtocolType.PC, 21), "1.13.1"),
	MINECRAFT_1_13(393, new OrderId(ProtocolType.PC, 20), "1.13"),
	MINECRAFT_1_12_2(340, new OrderId(ProtocolType.PC, 19), "1.12.2"),
	MINECRAFT_1_12_1(338, new OrderId(ProtocolType.PC, 18), "1.12.1"),
	MINECRAFT_1_12(335, new OrderId(ProtocolType.PC, 17), "1.12"),
	MINECRAFT_1_11_1(316, new OrderId(ProtocolType.PC, 16), "1.11.2"),
	MINECRAFT_1_11(315, new OrderId(ProtocolType.PC, 15), "1.11"),
	MINECRAFT_1_10(210, new OrderId(ProtocolType.PC, 14), "1.10"),
	MINECRAFT_1_9_4(110, new OrderId(ProtocolType.PC, 13), "1.9.4"),
	MINECRAFT_1_9_2(109, new OrderId(ProtocolType.PC, 12), "1.9.2"),
	MINECRAFT_1_9_1(108, new OrderId(ProtocolType.PC, 11), "1.9.1"),
	MINECRAFT_1_9(107, new OrderId(ProtocolType.PC, 10), "1.9"),
	MINECRAFT_1_8(47, new OrderId(ProtocolType.PC, 9), "1.8"),
	MINECRAFT_1_7_10(5, new OrderId(ProtocolType.PC, 8), "1.7.10"),
	MINECRAFT_1_7_5(4, new OrderId(ProtocolType.PC, 7), "1.7.5"),
	MINECRAFT_1_6_4(78, new OrderId(ProtocolType.PC, 6), "1.6.4"),
	MINECRAFT_1_6_2(74, new OrderId(ProtocolType.PC, 5), "1.6.2"),
	MINECRAFT_1_6_1(73, new OrderId(ProtocolType.PC, 4), "1.6.1"),
	MINECRAFT_1_5_2(61, new OrderId(ProtocolType.PC, 3), "1.5.2"),
	MINECRAFT_1_5_1(60, new OrderId(ProtocolType.PC, 2), "1.5.1"),
	MINECRAFT_1_4_7(51, new OrderId(ProtocolType.PC, 1), "1.4.7"),
	MINECRAFT_LEGACY(-1, new OrderId(ProtocolType.PC, 0)),
	UNKNOWN(-1, new OrderId(ProtocolType.UNKNOWN, 0));

	private final int id;
	private final OrderId orderId;
	private final String name;

	ProtocolVersion(int id, OrderId orderid) {
	this(id, orderid, null);
	}

	ProtocolVersion(int id, OrderId orderId, String name) {
	this.id = id;
	this.orderId = orderId;
	this.name = name;
	}

	private static final ProtocolVersion[] allSupported = Arrays.stream(ProtocolVersion.values())
	.filter(ProtocolVersion::isSupported)
	.collect(Collectors.toList())
	.toArray(new ProtocolVersion[0]);

	private static final EnumMap<ProtocolType, ProtocolVersion[]> byOrderId = new EnumMap<>(ProtocolType.class);
	static {
	for (ProtocolType type : ProtocolType.values()) {
	if (type != ProtocolType.UNKNOWN) {
	byOrderId.put(type,
	Arrays.stream(ProtocolVersion.values())
	.filter(version -> version.getProtocolType() == type)
	.sorted((o1, o2) -> o1.orderId.compareTo(o2.orderId))
	.toArray(size -> new ProtocolVersion[size])
	);
	}
	}
	}

	/**
	* Return protocol type of this protocol version
	* @return {@link ProtocolType} of this protocol version
	*/
	public ProtocolType getProtocolType() {
	return orderId.type;
	}

	/**
	* Returns the network version id of this protocol version
	* @return network id of this protocol version
	*/
	public int getId() {
	return id;
	}

	/**
	* Returns user friendly version name <br>
	* This name can change, so it shouldn't be used as a key anywhere
	* @return user friendly version name
	*/
	public String getName() {
	return name;
	}

	/**
	* Returns if this version is supported as game version (i.e.: player can possibly join and play on the server)
	* @return true if this protocol version is supported
	*/
	public boolean isSupported() {
	return name != null;
	}

	/**
	* Returns if the game version used by this protocol released after the game version used by another protocol version
	* @param another another protocol version
	* @return true if game version is released after the game version used by another protocol version
	* @throws IllegalArgumentException if protocol versions use different protocol types
	*/
	public boolean isAfter(ProtocolVersion another) {
	return orderId.compareTo(another.orderId) > 0;
	}

	/**
	* Returns if the game version used by this protocol released after (or is the same) the game version used by another protocol version
	* @param another another protocol version
	* @return true if game version is released after (or is the same) the game version used by another protocol version
	* @throws IllegalArgumentException if protocol versions use different protocol types
	*/
	public boolean isAfterOrEq(ProtocolVersion another) {
	return orderId.compareTo(another.orderId) >= 0;
	}

	/**
	* Returns if the game version used by this protocol released before the game version used by another protocol version
	* @param another another protocol version
	* @return true if game version is released before the game version used by another protocol version
	* @throws IllegalArgumentException if protocol versions use different protocol types
	*/
	public boolean isBefore(ProtocolVersion another) {
	return orderId.compareTo(another.orderId) < 0;
	}

	/**
	* Returns if the game version used by this protocol released before (or is the same) the game version used by another protocol version
	* @param another another protocol version
	* @return true if game version is released before (or is the same) the game version used by another protocol version
	* @throws IllegalArgumentException if protocol versions use different protocol types
	*/
	public boolean isBeforeOrEq(ProtocolVersion another) {
	return orderId.compareTo(another.orderId) <= 0;
	}

	/**
	* Returns if the game version used by this protocol released in between (or is the same) of other game versions used by others protocol versions
	* @param one one protocol version
	* @param another another protocol version
	* @return true if the game version used by this protocol released in between (or is the same) of other game versions used by others protocol versions
	* @throws IllegalArgumentException if protocol versions use different protocol types
	*/
	public boolean isBetween(ProtocolVersion one, ProtocolVersion another) {
	return (isAfterOrEq(one) && isBeforeOrEq(another)) \|\| (isBeforeOrEq(one) && isAfterOrEq(another));
	}

	/**
	* Returns protocol version that is used by the game version released after game version used by this protocol <br>
	* Returns null if next game version doesn't exist
	* @return protocol version that is used by the game version released after game version used by this protocol
	* @throws IllegalArgumentException if protocol type is {@link ProtocolType#UNKNOWN}
	*/
	public ProtocolVersion next() {
	Validate.isTrue(getProtocolType() != ProtocolType.UNKNOWN, "Can't get next version for unknown protocol type");
	return Utils.getFromArrayOrNull(byOrderId.get(getProtocolType()), orderId.id + 1);
	}

	/**
	* Returns protocol version that is used by the game version released before game version used by this protocol <br>
	* Returns null if previous game version doesn't exist
	* @return protocol version that is used by the game version released before game version used by this protocol
	* @throws IllegalArgumentException if protocol type is {@link ProtocolType#UNKNOWN}
	*/
	public ProtocolVersion previous() {
	Validate.isTrue(getProtocolType() != ProtocolType.UNKNOWN, "Can't get next version for unknown protocol type");
	return Utils.getFromArrayOrNull(byOrderId.get(getProtocolType()), orderId.id - 1);
	}

	/**
	* Returns all protocol versions that are between specified ones (inclusive) <br>
	* Throws {@link IllegalArgumentException} if protocol versions types are not the same or one of the types is {@link ProtocolType#UNKNOWN}
	* @param one one protocol version
	* @param another one protocol version
	* @return all protocol versions that are between specified ones (inclusive)
	* @throws IllegalArgumentException if protocol types are different, or one of the protocol types is {@link ProtocolType#UNKNOWN}
	*/
	public static ProtocolVersion[] getAllBetween(ProtocolVersion one, ProtocolVersion another) {
	ProtocolType type = one.getProtocolType();
	Validate.isTrue(type == another.getProtocolType(), "Can't get versions between different protocol types");
	Validate.isTrue(type != ProtocolType.UNKNOWN, "Can't get versions for unknown protocol type");
	ProtocolVersion[] versions = byOrderId.get(type);
	int startId = Math.min(one.orderId.id, another.orderId.id);
	int endId = Math.max(one.orderId.id, another.orderId.id);
	ProtocolVersion[] between = new ProtocolVersion[(endId - startId) + 1];
	for (int i = startId; i <= endId; i++) {
	between[i - startId] = versions[i];
	}
	return between;
	}

	/**
	* Returns all protocol versions that are after specified one (inclusive) <br>
	* @param version protocol version
	* @return all protocol versions that are after specified one (including this one)
	* @throws IllegalArgumentException if {@link ProtocolVersion#getAllBetween(ProtocolVersion, ProtocolVersion)} throws one
	*/
	public static ProtocolVersion[] getAllAfterI(ProtocolVersion version) {
	return getAllBetween(version, getLatest(version.getProtocolType()));
	}

	/**
	* Returns all protocol versions that are after specified one (exclusive)
	* @param version protocol version
	* @return all protocol versions that are after specified one (exclusive) or empty array if no protocol versions exist after this one
	* @throws IllegalArgumentException if {@link ProtocolVersion#getAllBetween(ProtocolVersion, ProtocolVersion)} throws one
	*/
	public static ProtocolVersion[] getAllAfterE(ProtocolVersion version) {
	ProtocolVersion next = version.next();
	if ((next == null) \|\| !next.isSupported()) {
	return new ProtocolVersion[0];
	} else {
	return getAllAfterI(next);
	}
	}

	/**
	* Returns all protocol versions that are before specified one (inclusive)
	* @param version protocol version
	* @return all protocol versions that are before specified one (including this one)
	* @throws IllegalArgumentException if {@link ProtocolVersion#getAllBetween(ProtocolVersion, ProtocolVersion)} throws one
	*/
	public static ProtocolVersion[] getAllBeforeI(ProtocolVersion version) {
	return getAllBetween(getOldest(version.getProtocolType()), version);
	}

	/**
	* Returns all protocol versions that are before specified one (exclusive)
	* @param version protocol version
	* @return all protocol versions that are before specified one (exclusive) or empty array if no protocol versions exist after this one
	* @throws IllegalArgumentException if {@link ProtocolVersion#getAllBetween(ProtocolVersion, ProtocolVersion)} throws one
	*/
	public static ProtocolVersion[] getAllBeforeE(ProtocolVersion version) {
	ProtocolVersion prev = version.previous();
	if ((prev == null) \|\| !prev.isSupported()) {
	return new ProtocolVersion[0];
	} else {
	return getAllBeforeI(prev);
	}
	}

	/**
	* Returns latest supported protocol version for specified protocol type
	* @param type protocol type
	* @return latest supported protocol version for specified protocol type
	* @throws IllegalArgumentException if protocol type has no supported protocol versions
	*/
	public static ProtocolVersion getLatest(ProtocolType type) {
	switch (type) {
	case PC: {
	return MINECRAFT_1_13_2;
	}
	default: {
	throw new IllegalArgumentException(MessageFormat.format("No supported versions for protocol type {0}", type));
	}
	}
	}

	/**
	* Returns oldest supported protocol version for specified protocol type
	* @param type protocol type
	* @return oldest supported protocol version for specified protocol type
	* @throws IllegalArgumentException if protocol type has no supported protocol versions
	*/
	public static ProtocolVersion getOldest(ProtocolType type) {
	switch (type) {
	case PC: {
	return MINECRAFT_1_4_7;
	}
	default: {
	throw new IllegalArgumentException(MessageFormat.format("No supported versions for protocol type {0}", type));
	}
	}
	}

	/**
	* Returns all supported protocol versions
	* @return all supported protocol versions
	*/
	public static ProtocolVersion[] getAllSupported() {
	return allSupported.clone();
	}


	private static class OrderId implements Comparable<OrderId> {

	private final ProtocolType type;
	private final int id;

	public OrderId(ProtocolType type, int id) {
	this.type = type;
	this.id = id;
	}

	@Override
	public int compareTo(OrderId o) {
	Validate.isTrue(this.type != ProtocolType.UNKNOWN, "Can't compare unknown protocol type");
	Validate.isTrue(o.type != ProtocolType.UNKNOWN, "Can't compare with unknown protocol type");
	Validate.isTrue(this.type == o.type, "Cant compare order from different types");
	return Integer.compare(id, o.id);
	}

	@Override
	public boolean equals(Object obj) {
	if (obj == null) {
	return false;
	}
	if (!getClass().equals(obj.getClass())) {
	return false;
	}
	return id == ((OrderId) obj).id;
	}

	@Override
	public int hashCode() {
	return id;
	}

	}

	}