Files
chomens-bot-java/src/main/java/me/chayapak1/chomens_bot/plugins/PlayersPlugin.java

393 lines
14 KiB
Java

package me.chayapak1.chomens_bot.plugins;
import it.unimi.dsi.fastutil.objects.ObjectArrayList;
import me.chayapak1.chomens_bot.Bot;
import me.chayapak1.chomens_bot.data.listener.Listener;
import me.chayapak1.chomens_bot.data.player.PlayerEntry;
import me.chayapak1.chomens_bot.util.ComponentUtilities;
import net.kyori.adventure.text.Component;
import net.kyori.adventure.text.JoinConfiguration;
import org.geysermc.mcprotocollib.auth.GameProfile;
import org.geysermc.mcprotocollib.network.Session;
import org.geysermc.mcprotocollib.network.event.session.DisconnectedEvent;
import org.geysermc.mcprotocollib.network.packet.Packet;
import org.geysermc.mcprotocollib.protocol.data.game.PlayerListEntry;
import org.geysermc.mcprotocollib.protocol.data.game.PlayerListEntryAction;
import org.geysermc.mcprotocollib.protocol.data.game.entity.player.GameMode;
import org.geysermc.mcprotocollib.protocol.packet.ingame.clientbound.ClientboundPlayerInfoRemovePacket;
import org.geysermc.mcprotocollib.protocol.packet.ingame.clientbound.ClientboundPlayerInfoUpdatePacket;
import java.util.*;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.TimeUnit;
public class PlayersPlugin implements Listener {
private final Bot bot;
public final List<PlayerEntry> list = Collections.synchronizedList(new ObjectArrayList<>());
private final List<PlayerEntry> pendingLeftPlayers = Collections.synchronizedList(new ObjectArrayList<>());
public PlayersPlugin (final Bot bot) {
this.bot = bot;
bot.listener.addListener(this);
bot.executor.scheduleAtFixedRate(this::onLastKnownNameTick, 0, 5, TimeUnit.SECONDS);
}
@Override
public void onSecondTick () {
queryPlayersIP();
}
@Override
public void packetReceived (final Session session, final Packet packet) {
if (packet instanceof final ClientboundPlayerInfoUpdatePacket t_packet) packetReceived(t_packet);
else if (packet instanceof final ClientboundPlayerInfoRemovePacket t_packet) packetReceived(t_packet);
}
private void packetReceived (final ClientboundPlayerInfoUpdatePacket packet) {
final EnumSet<PlayerListEntryAction> actions = packet.getActions();
for (final PlayerListEntryAction action : actions) {
for (final PlayerListEntry entry : packet.getEntries()) {
switch (action) {
case ADD_PLAYER -> addPlayer(entry);
case INITIALIZE_CHAT -> initializeChat(entry);
case UPDATE_LISTED -> updateListed(entry);
case UPDATE_GAME_MODE -> updateGameMode(entry);
case UPDATE_LATENCY -> updateLatency(entry);
case UPDATE_DISPLAY_NAME -> updateDisplayName(entry);
default -> { }
}
}
}
}
private void packetReceived (final ClientboundPlayerInfoRemovePacket packet) {
final List<UUID> uuids = packet.getProfileIds();
for (final UUID uuid : uuids) removePlayer(uuid);
}
private void queryPlayersIP () {
synchronized (list) {
for (final PlayerEntry target : list) queryPlayersIP(target);
}
}
private void queryPlayersIP (final PlayerEntry target) {
if (target.ip != null) return;
final CompletableFuture<String> future = getPlayerIP(target, true);
future.thenApply(ip -> {
target.ip = ip;
bot.listener.dispatch(listener -> listener.onQueriedPlayerIP(target, ip));
return null;
});
}
public CompletableFuture<String> getPlayerIP (final PlayerEntry target) { return getPlayerIP(target, false); }
public CompletableFuture<String> getPlayerIP (final PlayerEntry target, final boolean forceSeen) {
final CompletableFuture<String> outputFuture = new CompletableFuture<>();
DatabasePlugin.EXECUTOR_SERVICE.submit(() -> {
if (!forceSeen) {
final String databaseIP = bot.playersDatabase.getPlayerIP(target.profile.getName());
if (databaseIP != null) {
outputFuture.complete(databaseIP);
return;
}
}
if (!bot.serverFeatures.hasEssentials) {
outputFuture.complete(null);
return;
}
final CompletableFuture<Component> trackedCoreFuture = bot.core.runTracked(true, "essentials:seen " + target.profile.getIdAsString());
if (trackedCoreFuture == null) {
outputFuture.complete(null);
return;
}
trackedCoreFuture.completeOnTimeout(null, 5, TimeUnit.SECONDS);
trackedCoreFuture.thenApply(output -> {
final List<Component> children = output.children();
String string = ComponentUtilities
.stringify(Component.join(JoinConfiguration.separator(Component.empty()), children))
.trim();
if (!string.startsWith("- IP Address: ")) return output;
string = string.substring("- IP Address: ".length());
if (string.startsWith("/")) string = string.substring(1);
outputFuture.complete(string);
return output;
});
});
return outputFuture;
}
public final PlayerEntry getEntry (final UUID uuid) {
synchronized (list) {
for (final PlayerEntry candidate : list) {
if (candidate != null && candidate.profile.getId().equals(uuid)) {
return candidate;
}
}
return null;
}
}
public final PlayerEntry getEntry (final String username) { return getEntry(username, true, true); }
public final PlayerEntry getEntry (final String username, final boolean checkUUID, final boolean checkPastUsernames) {
synchronized (list) {
for (final PlayerEntry candidate : list) {
if (
candidate != null &&
(
candidate.profile.getName().equals(username)
|| (checkUUID && candidate.profile.getIdAsString().equals(username))
|| (checkPastUsernames && candidate.usernames.contains(username))
)
) {
return candidate;
}
}
return null;
}
}
// RIPPED from craftbukkit (literally)
// https://hub.spigotmc.org/stash/projects/SPIGOT/repos/craftbukkit/browse/src/main/java/org/bukkit/craftbukkit/CraftServer.java#592
public final PlayerEntry getEntryTheBukkitWay (final String username) {
PlayerEntry found = getEntry(username, false, false);
// Try for an exact match first.
if (found != null) {
return found;
}
final String lowerName = username.toLowerCase(Locale.ROOT);
int delta = Integer.MAX_VALUE;
synchronized (list) {
for (final PlayerEntry player : list) {
if (player.profile.getName().toLowerCase(Locale.ROOT).startsWith(lowerName)) {
final int curDelta = Math.abs(player.profile.getName().length() - lowerName.length());
if (curDelta < delta) {
found = player;
delta = curDelta;
}
if (curDelta == 0) break;
}
}
}
return found;
}
public final PlayerEntry getEntry (final Component displayName) {
synchronized (list) {
for (final PlayerEntry candidate : list) {
if (candidate != null && candidate.displayName != null && candidate.displayName.equals(displayName)) {
return candidate;
}
}
return null;
}
}
public PlayerEntry getBotEntry () { return getEntry(bot.username); }
private PlayerEntry getEntry (final PlayerListEntry other) {
return getEntry(other.getProfileId());
}
private void initializeChat (final PlayerListEntry newEntry) {
final PlayerEntry target = getEntry(newEntry);
if (target == null) return;
target.publicKey = newEntry.getPublicKey();
}
private void updateListed (final PlayerListEntry newEntry) {
final PlayerEntry target = getEntry(newEntry);
if (target == null) return;
target.listed = newEntry.isListed();
}
private void addPlayer (final PlayerListEntry newEntry) {
final PlayerEntry duplicate = getEntry(newEntry);
final PlayerEntry target = new PlayerEntry(newEntry);
if (duplicate != null && !duplicate.profile.getName().equals(target.profile.getName())) return;
if (duplicate != null) {
list.removeIf(entry -> entry.equals(duplicate));
target.listed = true;
target.usernames.addAll(duplicate.usernames);
target.ip = duplicate.ip;
list.add(target);
bot.listener.dispatch(listener -> listener.onPlayerUnVanished(target));
} else {
list.add(target);
queryPlayersIP(target);
bot.listener.dispatch(listener -> listener.onPlayerJoined(target));
}
}
private void updateGameMode (final PlayerListEntry newEntry) {
final PlayerEntry target = getEntry(newEntry);
if (target == null) return;
final GameMode gameMode = newEntry.getGameMode();
target.gamemode = gameMode;
bot.listener.dispatch(listener -> listener.onPlayerGameModeUpdated(target, gameMode));
}
private void updateLatency (final PlayerListEntry newEntry) {
final PlayerEntry target = getEntry(newEntry);
if (target == null) return;
final int ping = newEntry.getLatency();
target.latency = ping;
bot.listener.dispatch(listener -> listener.onPlayerLatencyUpdated(target, ping));
}
private void updateDisplayName (final PlayerListEntry newEntry) {
final PlayerEntry target = getEntry(newEntry);
if (target == null) return;
final Component displayName = newEntry.getDisplayName();
target.displayName = displayName;
bot.listener.dispatch(listener -> listener.onPlayerDisplayNameUpdated(target, displayName));
}
private CompletableFuture<String> getLastKnownName (final String uuid) {
return bot.query.entity(true, uuid, "bukkit.lastKnownName");
}
private void check (final PlayerEntry target) {
final PlayerEntry pending = pendingLeftPlayers.stream()
.filter(player -> player.equals(target))
.findAny()
.orElse(null);
if (pending != null) pendingLeftPlayers.remove(pending);
final CompletableFuture<String> future = getLastKnownName(target.profile.getIdAsString());
future.thenApply(lastKnownName -> {
// checking for empty string means
// we did get the output from the server, and
// the player doesn't exist or the NBT path doesn't exist
// i also check for empty target name for the empty string username kind of people
if (lastKnownName.isEmpty() && !target.profile.getName().isEmpty()) {
final boolean removed = list.remove(target);
// checking if removed prevents the event from being called twice
// this was a bug for quite a few weeks lol
if (removed) {
bot.listener.dispatch(listener -> listener.onPlayerLeft(target));
}
} else if (!lastKnownName.equals(target.profile.getName())) {
final PlayerEntry newTarget = new PlayerEntry(
new GameProfile(
target.profile.getId(),
lastKnownName
),
target.gamemode,
target.latency,
target.displayName,
target.expiresAt,
target.publicKey,
target.keySignature,
target.listed
);
newTarget.usernames.addAll(target.usernames);
newTarget.usernames.addLast(target.profile.getName());
newTarget.ip = target.ip;
list.removeIf(entry -> entry.profile.getId().equals(target.profile.getId()));
list.add(newTarget);
bot.listener.dispatch(listener -> listener.onPlayerChangedUsername(
newTarget, target.profile.getName(), newTarget.profile.getName()
));
} else if (pending != null) {
// we already passed all the left and username check,
// so the only one left is vanish
target.listed = false;
bot.listener.dispatch(listener -> listener.onPlayerVanished(target));
}
return null;
});
}
private void onLastKnownNameTick () {
// hasNamespaces also means vanilla/non-bukkit
if (!bot.loggedIn || !bot.core.ready || !bot.serverFeatures.hasNamespaces)
return;
for (final PlayerEntry target : new ArrayList<>(list)) {
check(target);
}
}
private void removePlayer (final UUID uuid) {
final PlayerEntry target = getEntry(uuid);
if (target == null) return;
if (!bot.serverFeatures.hasNamespaces || target.profile.getName().isEmpty() /* LoL empty string username lazy fix */) {
final boolean removed = list.remove(target);
if (removed) {
bot.listener.dispatch(listener -> listener.onPlayerLeft(target));
}
} else {
pendingLeftPlayers.add(target);
check(target);
}
}
@Override
public void disconnected (final DisconnectedEvent event) {
list.clear();
}
}