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Changes BungeeCord messages to use UUID instead of player name

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This commit is contained in:
Kristian Knarvik
2021-10-24 21:15:43 +02:00
parent 3367d4bb76
commit 822f8fb2b5
5 changed files with 62 additions and 43 deletions
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73
src/main/java/net/knarcraft/stargate/utility/BungeeHelper.java
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@ -13,6 +13,7 @@ import java.io.DataOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
/**
* This class contains helpful functions to help with sending and receiving BungeeCord plugin messages
@ -22,12 +23,21 @@ public final class BungeeHelper {
private final static String bungeeSubChannel = "SGBungee";
private final static String bungeeChannel = "BungeeCord";
private final static String teleportMessageDelimiter = "#@#";
private final static Map<String, String> bungeeQueue = new HashMap<>();
private final static Map<UUID, String> bungeeQueue = new HashMap<>();
private BungeeHelper() {
}
/**
* Get the plugin message channel use for BungeeCord messages
*
* @return <p>The bungee plugin channel</p>
*/
public static String getBungeeChannel() {
return bungeeChannel;
}
/**
* Removes a player from the queue of players teleporting through BungeeCord
*
@ -35,38 +45,43 @@ public final class BungeeHelper {
* server, it'll be added to this queue. Once the player joins this server, the player should be removed from the
* queue and teleported to the destination.</p>
*
* @param playerName <p>The name of the player to remove</p>
* @param playerUUID <p>The UUID of the player to remove</p>
* @return <p>The name of the destination portal the player should be teleported to</p>
*/
public static String removeFromQueue(String playerName) {
return bungeeQueue.remove(playerName.toLowerCase());
public static String removeFromQueue(UUID playerUUID) {
return bungeeQueue.remove(playerUUID);
}
/**
* Sends a plugin message to BungeeCord allowing the target server to catch it
*
* @param player <p>The player teleporting</p>
* @param player <p>The teleporting player</p>
* @param entrancePortal <p>The portal the player is teleporting from</p>
* @return <p>True if the message was successfully sent</p>
*/
public static boolean sendTeleportationMessage(Player player, Portal entrancePortal) {
try {
// Build the message, format is <player>#@#<destination>
String message = player.getName() + teleportMessageDelimiter + entrancePortal.getDestinationName();
// Build the message data, sent over the SGBungee BungeeCord channel
//Build the teleportation message, format is <player identifier>delimiter<destination>
String message = player.getUniqueId() + teleportMessageDelimiter + entrancePortal.getDestinationName();
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
DataOutputStream dataOutputStream = new DataOutputStream(byteArrayOutputStream);
//Build the message data and send it over the SGBungee BungeeCord channel
dataOutputStream.writeUTF("Forward");
dataOutputStream.writeUTF(entrancePortal.getNetwork()); // Server
//Specify SGBungee channel/tag
//Send the message to the server defined in the entrance portal's network line
dataOutputStream.writeUTF(entrancePortal.getNetwork());
//Specify the sub-channel/tag to make it recognizable on arrival
dataOutputStream.writeUTF(bungeeSubChannel);
//Length of the message
//Write the length of the message
dataOutputStream.writeShort(message.length());
//The data to send
//Write the actual message
dataOutputStream.writeBytes(message);
//Send the plugin message
player.sendPluginMessage(Stargate.stargate, bungeeChannel, byteArrayOutputStream.toByteArray());
} catch (IOException ex) {
Stargate.getConsoleLogger().severe(Stargate.getString("prefix") + "Error sending BungeeCord teleport packet");
Stargate.getConsoleLogger().severe(Stargate.getString("prefix") + "Error sending BungeeCord " +
"teleport packet");
ex.printStackTrace();
return false;
}
@ -74,21 +89,23 @@ public final class BungeeHelper {
}
/**
* Sends the bungee message necessary to change the server
* Sends the bungee message necessary to make a player connect to another server
*
* @param player <p>The player to teleport</p>
* @param entrancePortal <p>The bungee portal the player teleports from</p>
* @return <p>True if able to send the plugin message</p>
* @param entrancePortal <p>The bungee portal the player is teleporting from</p>
* @return <p>True if the plugin message was sent successfully</p>
*/
public static boolean changeServer(Player player, Portal entrancePortal) {
try {
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
DataOutputStream dataOutputStream = new DataOutputStream(byteArrayOutputStream);
//Send a connect-message to connect the player to the server defined in the entrance portal's network line
dataOutputStream.writeUTF("Connect");
dataOutputStream.writeUTF(entrancePortal.getNetwork());
//Send the plugin message
player.sendPluginMessage(Stargate.stargate, bungeeChannel, byteArrayOutputStream.toByteArray());
byteArrayOutputStream.reset();
} catch (IOException ex) {
Stargate.getConsoleLogger().severe(Stargate.getString("prefix") +
"Error sending BungeeCord connect packet");
@ -102,7 +119,7 @@ public final class BungeeHelper {
* Reads a plugin message byte array to a string if it's sent from another stargate plugin
*
* @param message <p>The byte array to read</p>
* @return <p>The message contained in the byte array or null on failure</p>
* @return <p>The message contained in the byte array, or null on failure</p>
*/
public static String readPluginMessage(byte[] message) {
// Get data from message
@ -114,8 +131,12 @@ public final class BungeeHelper {
if (!subChannel.equals(bungeeSubChannel)) {
return null;
}
//Get the length of the contained message
short dataLength = dataInputStream.readShort();
//Prepare a byte array for the sent message
data = new byte[dataLength];
//Read the message to the prepared array
dataInputStream.readFully(data);
} catch (IOException ex) {
Stargate.getConsoleLogger().severe(Stargate.getString("prefix") +
@ -123,29 +144,27 @@ public final class BungeeHelper {
ex.printStackTrace();
return null;
}
// Data should be player name, and destination gate name
return new String(data);
}
/**
* Handles the receival of a teleport message
*
* @param receivedMessage <p>The received message</p>
* @param receivedMessage <p>The received teleport message</p>
*/
public static void handleTeleportMessage(String receivedMessage) {
//Get the player id and destination from the message
String[] messageParts = receivedMessage.split(teleportMessageDelimiter);
String playerName = messageParts[0];
UUID playerUUID = UUID.fromString(messageParts[0]);
String destination = messageParts[1];
// Check if the player is online, if so, teleport, otherwise, queue
Player player = Stargate.server.getPlayer(playerName);
//Check if the player is online, if so, teleport, otherwise, queue
Player player = Stargate.server.getPlayer(playerUUID);
if (player == null) {
bungeeQueue.put(playerName.toLowerCase(), destination);
bungeeQueue.put(playerUUID, destination);
} else {
Portal destinationPortal = PortalHandler.getBungeePortal(destination);
// Specified an invalid gate. For now, we'll just let them connect at their current location
//If teleporting to an invalid portal, let the server decide where the player arrives
if (destinationPortal == null) {
Stargate.getConsoleLogger().info(Stargate.getString("prefix") + "Bungee gate " +
destination + " does not exist");