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| 1 | +package de.sportkanone123.clientdetector.velocity; |
| 2 | + |
| 3 | +import com.google.inject.Inject; |
| 4 | +import com.velocitypowered.api.event.Subscribe; |
| 5 | +import com.velocitypowered.api.event.connection.DisconnectEvent; |
| 6 | +import com.velocitypowered.api.event.connection.PluginMessageEvent; |
| 7 | +import com.velocitypowered.api.event.proxy.ProxyInitializeEvent; |
| 8 | +import com.velocitypowered.api.plugin.annotation.DataDirectory; |
| 9 | +import com.velocitypowered.api.proxy.ProxyServer; |
| 10 | +import com.velocitypowered.api.proxy.messages.LegacyChannelIdentifier; |
| 11 | +import com.velocitypowered.api.proxy.messages.MinecraftChannelIdentifier; |
| 12 | +import com.velocitypowered.api.proxy.server.RegisteredServer; |
| 13 | + |
| 14 | +import java.nio.charset.StandardCharsets; |
| 15 | +import java.nio.file.Path; |
| 16 | +import java.util.ArrayList; |
| 17 | +import java.util.HashMap; |
| 18 | +import java.util.List; |
| 19 | +import java.util.Map; |
| 20 | +import java.util.concurrent.TimeUnit; |
| 21 | +import java.util.logging.Logger; |
| 22 | + |
| 23 | +@com.velocitypowered.api.plugin.Plugin( |
| 24 | + id = "clientdetector", |
| 25 | + name = "ClientDetector", |
| 26 | + version = "2.5.2", |
| 27 | + description = "A simple plugin to detect and manage a player's client/mods", |
| 28 | + authors = {"Sportkanone123"} |
| 29 | +) |
| 30 | +public class ClientDetectorVelocity { |
| 31 | + |
| 32 | + public static final LegacyChannelIdentifier LEGACY_BUNGEE_CHANNEL = new LegacyChannelIdentifier("cd:bungee"); |
| 33 | + public static final MinecraftChannelIdentifier MODERN_BUNGEE_CHANNEL = MinecraftChannelIdentifier.create("cd", "bungee"); |
| 34 | + public static final MinecraftChannelIdentifier MODERN_SPIGOT_CHANNEL = MinecraftChannelIdentifier.create("cd", "spigot"); |
| 35 | + |
| 36 | + private ProxyServer server; |
| 37 | + private Logger logger; |
| 38 | + private Path dataDirectory; |
| 39 | + private Map<RegisteredServer, List<byte[]>> queue = new HashMap<>(); |
| 40 | + |
| 41 | + @Inject |
| 42 | + public ClientDetectorVelocity(ProxyServer server, Logger logger, @DataDirectory Path dataDirectory) { |
| 43 | + this.server = server; |
| 44 | + this.logger = logger; |
| 45 | + this.dataDirectory = dataDirectory; |
| 46 | + } |
| 47 | + |
| 48 | + @Subscribe |
| 49 | + public void onProxyInitialization(ProxyInitializeEvent event) { |
| 50 | + //this.server.getEventManager().register(this, this); (Velocity already auto registered the main class) |
| 51 | + this.server.getChannelRegistrar().register(LEGACY_BUNGEE_CHANNEL, MODERN_BUNGEE_CHANNEL); |
| 52 | + |
| 53 | + runQueue(); |
| 54 | + } |
| 55 | + |
| 56 | + public void runQueue() { |
| 57 | + this.server.getScheduler().buildTask(this, new Runnable() { |
| 58 | + @Override |
| 59 | + public void run() { |
| 60 | + for(RegisteredServer registeredServer : queue.keySet()){ |
| 61 | + if(!registeredServer.getPlayersConnected().isEmpty() && queue.get(registeredServer) != null){ |
| 62 | + List<byte[]> toRemove = new ArrayList<>(); |
| 63 | + for(byte[] data : queue.get(registeredServer)){ |
| 64 | + toRemove.add(data); |
| 65 | + registeredServer.sendPluginMessage(MODERN_SPIGOT_CHANNEL, data); |
| 66 | + } |
| 67 | + queue.get(registeredServer).removeAll(toRemove); |
| 68 | + } |
| 69 | + } |
| 70 | + } |
| 71 | + }).repeat(1, TimeUnit.SECONDS); |
| 72 | + } |
| 73 | + |
| 74 | + @Subscribe |
| 75 | + public void onPluginMessage(PluginMessageEvent event) { |
| 76 | + System.out.println(event.getIdentifier() + " // " + new java.lang.String(event.getData())); |
| 77 | + if (event.getIdentifier().getId().equalsIgnoreCase("cd:bungee")) { |
| 78 | + sync(event.getData()); |
| 79 | + } |
| 80 | + } |
| 81 | + |
| 82 | + private void sync(String string){ |
| 83 | + sync(string.getBytes(StandardCharsets.UTF_8)); |
| 84 | + } |
| 85 | + |
| 86 | + private void sync(byte[] data){ |
| 87 | + for(RegisteredServer server : this.server.getAllServers()){ |
| 88 | + if(server.getPlayersConnected().isEmpty()){ |
| 89 | + if(queue.get(server) == null) queue.put(server, new ArrayList<>()); |
| 90 | + |
| 91 | + if(!new String(data, StandardCharsets.UTF_8).contains("CROSS_SERVER_MESSAGE")) |
| 92 | + queue.get(server).add(data); |
| 93 | + }else{ |
| 94 | + server.sendPluginMessage(MODERN_SPIGOT_CHANNEL, data); |
| 95 | + } |
| 96 | + } |
| 97 | + } |
| 98 | + |
| 99 | + @Subscribe |
| 100 | + public void onDisconnect(DisconnectEvent e) { |
| 101 | + String placeholder = "@@"; |
| 102 | + sync("PLAYER_LEFT" + placeholder + e.getPlayer().getUsername()); |
| 103 | + } |
| 104 | + |
| 105 | +} |
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