310 lines
12 KiB
Java
310 lines
12 KiB
Java
package com.earth2me.essentials.chat.processing;
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import com.earth2me.essentials.ChargeException;
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import com.earth2me.essentials.Essentials;
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import com.earth2me.essentials.Trade;
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import com.earth2me.essentials.User;
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import com.earth2me.essentials.chat.EssentialsChat;
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import com.earth2me.essentials.utils.FormatUtil;
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import net.ess3.api.events.LocalChatSpyEvent;
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import org.bukkit.ChatColor;
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import org.bukkit.Location;
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import org.bukkit.Server;
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import org.bukkit.World;
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import org.bukkit.entity.Player;
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import org.bukkit.event.Listener;
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import org.bukkit.event.player.AsyncPlayerChatEvent;
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import org.bukkit.scoreboard.Team;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Locale;
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import java.util.Set;
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import java.util.logging.Level;
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import static com.earth2me.essentials.I18n.tl;
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public abstract class AbstractChatHandler {
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protected final Essentials ess;
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protected final EssentialsChat essChat;
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protected final Server server;
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protected final ChatProcessingCache cache;
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protected AbstractChatHandler(Essentials ess, EssentialsChat essChat) {
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this.ess = ess;
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this.essChat = essChat;
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this.server = ess.getServer();
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this.cache = new ChatProcessingCache();
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}
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/**
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* Apply chat formatting from config and from translations according to chat type.
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* <p>
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* Handled at {@link org.bukkit.event.EventPriority#LOWEST} on both preview and chat events.
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*/
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protected void handleChatFormat(AsyncPlayerChatEvent event) {
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if (isAborted(event)) {
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return;
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}
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final User user = ess.getUser(event.getPlayer());
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if (user == null) {
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event.setCancelled(true);
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return;
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}
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// Reuse cached IntermediateChat if available
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ChatProcessingCache.IntermediateChat chat = cache.getIntermediateChat(event.getPlayer());
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if (chat == null) {
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chat = new ChatProcessingCache.IntermediateChat(user, getChatType(user, event.getMessage()), event.getMessage());
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cache.setIntermediateChat(event.getPlayer(), chat);
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}
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final long configRadius = ess.getSettings().getChatRadius();
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chat.setRadius(Math.max(configRadius, 0));
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// This listener should apply the general chat formatting only...then return control back the event handler
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event.setMessage(FormatUtil.formatMessage(user, "essentials.chat", event.getMessage()));
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if (ChatColor.stripColor(event.getMessage()).length() == 0) {
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event.setCancelled(true);
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return;
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}
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final String group = user.getGroup();
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final String world = user.getWorld().getName();
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final String username = user.getName();
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final String nickname = user.getFormattedNickname();
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final Player player = user.getBase();
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final String prefix = FormatUtil.replaceFormat(ess.getPermissionsHandler().getPrefix(player));
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final String suffix = FormatUtil.replaceFormat(ess.getPermissionsHandler().getSuffix(player));
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final Team team = player.getScoreboard().getPlayerTeam(player);
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String format = ess.getSettings().getChatFormat(group);
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format = format.replace("{0}", group);
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format = format.replace("{1}", ess.getSettings().getWorldAlias(world));
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format = format.replace("{2}", world.substring(0, 1).toUpperCase(Locale.ENGLISH));
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format = format.replace("{3}", team == null ? "" : team.getPrefix());
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format = format.replace("{4}", team == null ? "" : team.getSuffix());
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format = format.replace("{5}", team == null ? "" : team.getDisplayName());
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format = format.replace("{6}", prefix);
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format = format.replace("{7}", suffix);
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format = format.replace("{8}", username);
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format = format.replace("{9}", nickname == null ? username : nickname);
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// Local, shout and question chat types are only enabled when there's a valid radius
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if (chat.getRadius() > 0 && event.getMessage().length() > 0) {
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if (chat.getType().isEmpty()) {
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if (user.isToggleShout() && event.getMessage().charAt(0) == ess.getSettings().getChatShout()) {
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event.setMessage(event.getMessage().substring(1));
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}
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format = tl("chatTypeLocal").concat(format);
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} else {
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if (event.getMessage().charAt(0) == ess.getSettings().getChatShout() || (event.getMessage().charAt(0) == ess.getSettings().getChatQuestion() && ess.getSettings().isChatQuestionEnabled())) {
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event.setMessage(event.getMessage().substring(1));
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}
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format = tl(chat.getType() + "Format", format);
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}
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}
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// Long live pointless synchronized blocks!
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synchronized (format) {
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event.setFormat(format);
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}
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chat.setFormatResult(event.getFormat());
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chat.setMessageResult(event.getMessage());
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}
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/**
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* Handle the recipient filtering and permissions checks for local chat, if enabled.
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* <p>
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* Runs at {@link org.bukkit.event.EventPriority#NORMAL} priority on submitted chat events only.
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*/
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protected void handleChatRecipients(AsyncPlayerChatEvent event) {
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if (isAborted(event)) {
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return;
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}
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final ChatProcessingCache.Chat chat = cache.getIntermediateOrElseProcessedChat(event.getPlayer());
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// If local chat is enabled, handle the recipients here; else we have nothing to do
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if (chat.getRadius() < 1) {
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return;
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}
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final long radiusSquared = chat.getRadius() * chat.getRadius();
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final User user = chat.getUser();
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if (event.getMessage().length() > 0) {
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if (chat.getType().isEmpty()) {
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if (!user.isAuthorized("essentials.chat.local")) {
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user.sendMessage(tl("notAllowedToLocal"));
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event.setCancelled(true);
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return;
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}
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event.getRecipients().removeIf(player -> !ess.getUser(player).isAuthorized("essentials.chat.receive.local"));
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} else {
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final String permission = "essentials.chat." + chat.getType();
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if (user.isAuthorized(permission)) {
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event.getRecipients().removeIf(player -> !ess.getUser(player).isAuthorized("essentials.chat.receive." + chat.getType()));
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return;
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}
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user.sendMessage(tl("notAllowedTo" + chat.getType().substring(0, 1).toUpperCase(Locale.ENGLISH) + chat.getType().substring(1)));
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event.setCancelled(true);
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return;
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}
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}
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final Location loc = user.getLocation();
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final World world = loc.getWorld();
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final Set<Player> outList = event.getRecipients();
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final Set<Player> spyList = new HashSet<>();
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try {
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outList.add(event.getPlayer());
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} catch (final UnsupportedOperationException ex) {
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if (ess.getSettings().isDebug()) {
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essChat.getLogger().log(Level.INFO, "Plugin triggered custom chat event, local chat handling aborted.", ex);
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}
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return;
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}
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final Iterator<Player> it = outList.iterator();
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while (it.hasNext()) {
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final Player onlinePlayer = it.next();
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final User onlineUser = ess.getUser(onlinePlayer);
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if (!onlineUser.equals(user)) {
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boolean abort = false;
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final Location playerLoc = onlineUser.getLocation();
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if (playerLoc.getWorld() != world) {
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abort = true;
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} else {
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final double delta = playerLoc.distanceSquared(loc);
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if (delta > radiusSquared) {
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abort = true;
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}
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}
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if (abort) {
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if (onlineUser.isAuthorized("essentials.chat.spy")) {
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spyList.add(onlinePlayer);
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}
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it.remove();
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}
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}
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}
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if (outList.size() < 2) {
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user.sendMessage(tl("localNoOne"));
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}
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// Strip local chat prefix to preserve API behaviour
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final String localPrefix = tl("chatTypeLocal");
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String baseFormat = event.getFormat();
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if (event.getFormat().startsWith(localPrefix)) {
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baseFormat = baseFormat.substring(localPrefix.length());
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}
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final LocalChatSpyEvent spyEvent = new LocalChatSpyEvent(event.isAsynchronous(), event.getPlayer(), baseFormat, event.getMessage(), spyList);
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server.getPluginManager().callEvent(spyEvent);
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if (!spyEvent.isCancelled()) {
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for (final Player onlinePlayer : spyEvent.getRecipients()) {
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onlinePlayer.sendMessage(String.format(spyEvent.getFormat(), user.getDisplayName(), spyEvent.getMessage()));
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}
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}
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}
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/**
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* Finalise the formatting stage of chat processing.
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* <p>
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* Handled at {@link org.bukkit.event.EventPriority#HIGHEST} during previews, and immediately after
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* {@link #handleChatFormat(AsyncPlayerChatEvent)} when previews are not available.
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*/
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protected void handleChatPostFormat(AsyncPlayerChatEvent event) {
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final ChatProcessingCache.IntermediateChat intermediateChat = cache.clearIntermediateChat(event.getPlayer());
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if (isAborted(event) || intermediateChat == null) {
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return;
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}
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// in case of modifications by other plugins during the preview
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intermediateChat.setFormatResult(event.getFormat());
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intermediateChat.setMessageResult(event.getMessage());
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final ChatProcessingCache.ProcessedChat processed = new ChatProcessingCache.ProcessedChat(ess, intermediateChat);
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cache.setProcessedChat(event.getPlayer(), processed);
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}
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/**
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* Run costs for chat and clean up the cached {@link com.earth2me.essentials.chat.processing.ChatProcessingCache.ProcessedChat}
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*/
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protected void handleChatSubmit(AsyncPlayerChatEvent event) {
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if (isAborted(event)) {
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return;
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}
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// This file should handle charging the user for the action before returning control back
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charge(event, cache.getProcessedChat(event.getPlayer()));
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cache.clearProcessedChat(event.getPlayer());
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}
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boolean isAborted(final AsyncPlayerChatEvent event) {
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return event.isCancelled();
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}
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boolean isPlayerChat(final AsyncPlayerChatEvent event) {
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// Used to distinguish chats from Player#chat (sync) from chats sent by the player (async)
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return event.isAsynchronous();
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}
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String getChatType(final User user, final String message) {
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if (message.length() == 0) {
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//Ignore empty chat events generated by plugins
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return "";
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}
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final char prefix = message.charAt(0);
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if (prefix == ess.getSettings().getChatShout()) {
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if (user.isToggleShout()) {
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return "";
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}
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return message.length() > 1 ? "shout" : "";
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} else if (ess.getSettings().isChatQuestionEnabled() && prefix == ess.getSettings().getChatQuestion()) {
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return message.length() > 1 ? "question" : "";
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} else if (user.isToggleShout()) {
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return message.length() > 1 ? "shout" : "";
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} else {
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return "";
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}
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}
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private void charge(final User user, final Trade charge) throws ChargeException {
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charge.charge(user);
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}
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boolean charge(final AsyncPlayerChatEvent event, final ChatProcessingCache.ProcessedChat chat) {
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try {
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charge(chat.getUser(), chat.getCharge());
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} catch (final ChargeException e) {
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ess.showError(chat.getUser().getSource(), e, "\\ chat " + chat.getLongType());
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event.setCancelled(true);
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return false;
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}
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return true;
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}
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protected interface ChatListener extends Listener {
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@SuppressWarnings("unused")
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void onPlayerChat(AsyncPlayerChatEvent event);
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}
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}
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