import cn.nukkit.event.player.PlayerChatEvent; //导入依赖的package包/类
@EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
public void onChat(final PlayerChatEvent event) {
    // Substitute variable - thread safe
    String level = "";
    if (playerLevels.containsKey(event.getPlayer())) {
        level = playerLevels.get(event.getPlayer());
    }
    String format = event.getFormat().replace("{ISLAND_LEVEL}", level);
    event.setFormat(format);
    if (Settings.teamChat && teamChatUsers.containsKey(event.getPlayer())) {
        // Cancel the event
        event.setCancelled(true);
        // Queue the sync task because you cannot use HashMaps asynchronously. Delaying to the next tick
        // won't be a major issue for synch events either.
        Server.getInstance().getScheduler().scheduleTask(plugin, () -> {
            teamChat(event, event.getMessage());
        });
    }
}
 

import cn.nukkit.event.player.PlayerChatEvent; //导入依赖的package包/类
@EventHandler(ignoreCancelled = true,priority = EventPriority.LOWEST)
public void onPlayerChat(PlayerChatEvent event) {
    String message = event.getMessage();
    if (message.charAt(0) == '.') {
        String[] split = event.getMessage().split(" ");
        if (split.length > 0) {
            split[0] = split[0].substring(1).replace('.', '/');
            CommandManager cmdMan = WorldEdit.getInstance().getPlatformManager().getCommandManager();
            split = cmdMan.commandDetection(split);
            CommandEvent cmdEvent = new CommandEvent(plugin.wrapCommandSender(event.getPlayer()), Joiner.on(" ").join(Arrays.asList(split)));
            if (cmdMan.getDispatcher().contains(split[0])) {
                WorldEdit.getInstance().getEventBus().post(cmdEvent);
                event.setCancelled(true);
            }
        }
    }
}
 

import cn.nukkit.event.player.PlayerChatEvent; //导入依赖的package包/类
@EventHandler
public void onChat(PlayerChatEvent event) {
	StringBuilder mes = new StringBuilder();
	mes.append("`" + event.getPlayer().getName() + "` : " + event.getMessage());

	this.sendPacket(mes.toString());

}
 

import cn.nukkit.event.player.PlayerChatEvent; //导入依赖的package包/类
@EventHandler(priority = EventPriority.HIGHEST)
public void onChat(PlayerChatEvent event) {
    Player player = event.getPlayer();
    String msg = event.getMessage();
    CheckChat checkChat = new CheckChat(player, msg);
    CheckWords checkWords = new CheckWords(player, msg);
    if (AntiCheatAPI.getInstance().getMasterConfig().getCheckChat() && checkChat.isCheat()) {
        AntiCheatAPI.getInstance().addRecord(player, checkChat.getCheatType());
        player.sendMessage(TextFormat.RED + "You chat faster than predetermined value.");
        event.setCancelled();
    }
    if (AntiCheatAPI.getInstance().getMasterConfig().getCheckChatWord() && checkWords.isCheat()) {
        event.setMessage(checkWords.ChangeMessage());
    }
}
 

import cn.nukkit.event.player.PlayerChatEvent; //导入依赖的package包/类
private void teamChat(PlayerChatEvent event, String message) {
    Player player = event.getPlayer();
    String playerUUID = player.getName();
    // Is team chat on for this player
    // Find out if this player is in a team (should be if team chat is on)
    // TODO: remove when player resets or leaves team
    if ((plugin.getTManager().getPlayerMembers(player.getName()).isEmpty()) == false) {
        ArrayList<String> teams = plugin.getTManager().getPlayerMembers(player.getName());
        // Tell only the team members if they are online
        boolean online = false;
        for (String teamMembers : teams) {
            Player teamPlayer = plugin.getServer().getPlayer(teamMembers);
            if (teamPlayer != null) {
                teamPlayer.sendMessage(plugin.getPrefix() + message);
                if (!teamMembers.equals(playerUUID)) {
                    online = true;
                }
            }
        }
        // todo spy function
        if (!online) {
            player.sendMessage(plugin.getPrefix() + TextFormat.RED + plugin.getLocale(player).teamChatNoTeamAround);
            player.sendMessage(plugin.getPrefix() + TextFormat.RED + plugin.getLocale(player).teamChatStatusOff);
            teamChatUsers.remove(player);
        }
    } else {
        player.sendMessage(plugin.getPrefix() + TextFormat.RED + plugin.getLocale(player).teamChatNoTeamAround);
        player.sendMessage(plugin.getPrefix() + TextFormat.RED + plugin.getLocale(player).teamChatStatusOff);
        // Not in a team any more so delete
        teamChatUsers.remove(player);
    }
}
 

import cn.nukkit.event.player.PlayerChatEvent; //导入依赖的package包/类
@EventHandler
public void onChat(PlayerChatEvent event){
	if(!this.manager.isAuthenticated(event.getPlayer())){
		event.setCancelled();
		this.sendLoginMessage(event.getPlayer());
	}
}
 

import cn.nukkit.event.player.PlayerChatEvent; //导入依赖的package包/类
public boolean execute(CommandSender sender, String label, String[] args) {
    if (!this.testPermission(sender)) {
        return false;
    }
    if (args.length < 2) {
        this.sendUsage(sender);
        return false;
    }
    Player player = api.getServer().getPlayer(args[0]);
    if (player == null) {
        sender.sendMessage(TextFormat.RED + lang.translateString("commands.generic.player.notfound", args[0]));
        return false;
    }
    String msg = String.join(" ", Arrays.copyOfRange(args, 1, args.length));
    if (msg.length() > 1 && msg.substring(0, 2).equals("c:")) {
        sender.sendMessage(lang.translateString("commands.sudo.message", player.getDisplayName()));
        PlayerChatEvent event = new PlayerChatEvent(player, msg.substring(2));
        api.getServer().getPluginManager().callEvent(event);
        if (!event.isCancelled()) {
            api.getServer().broadcastMessage(api.getServer().getLanguage().translateString(event.getFormat(), new String[]{event.getPlayer().getDisplayName(), event.getMessage()}), event.getRecipients());
        }
    } else {
        sender.sendMessage(lang.translateString("commands.sudo.command", player.getDisplayName()));
        api.getServer().dispatchCommand(player, msg);
    }
    return true;
}
 

import cn.nukkit.event.player.PlayerChatEvent; //导入依赖的package包/类
@Override
public void chat(String message) {
	 String msg = message = nukkit.getRemoveFormat() ? TextFormat.clean(message) : message;
	 PlayerChatEvent chatEvent = new PlayerChatEvent(toNukkit(this), msg);
	nukkit.getServer().getPluginManager().callEvent(chatEvent);
	if (!chatEvent.isCancelled()) {
		nukkit.getServer().broadcastMessage(
				nukkit.getServer().getLanguage().translateString(chatEvent.getFormat(),
						new String[] { chatEvent.getPlayer().getDisplayName(), chatEvent.getMessage() }),
				chatEvent.getRecipients());
	}
}
 

import cn.nukkit.event.player.PlayerChatEvent; //导入依赖的package包/类
@EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
public void onChat(PlayerChatEvent event) {
    PlotPlayer plotPlayer = NukkitUtil.getPlayer(event.getPlayer());
    Location location = plotPlayer.getLocation();
    PlotArea area = location.getPlotArea();
    if (area == null || (area.PLOT_CHAT == plotPlayer.getAttribute("chat"))) {
        return;
    }
    Plot plot = area.getPlot(location);
    if (plot == null) {
        return;
    }
    event.setCancelled(true);
    String message = event.getMessage();
    String format = C.PLOT_CHAT_FORMAT.s();
    String sender = event.getPlayer().getDisplayName();
    PlotId id = plot.getId();
    Set<CommandSender> recipients = event.getRecipients();
    recipients.clear();
    for (Entry<String, PlotPlayer> entry : UUIDHandler.getPlayers().entrySet()) {
        PlotPlayer pp = entry.getValue();
        if (pp.getAttribute("chatspy")) {
            String spy = event.getFormat();
            spy = String.format(spy, sender, message);
            pp.sendMessage(spy);
        } else {
            Plot current = pp.getCurrentPlot();
            if (current != null && current.getBasePlot(false).equals(plot)) {
                recipients.add(((NukkitPlayer) pp).player);
            }
        }
    }
    String partial = C.color(format.replace("%plot_id%", id.x + ";" + id.y).replace("%sender%", sender));
    String full = partial.replace("%msg%", message);
    for (CommandSender receiver : recipients) {
        receiver.sendMessage(full);
    }
}
 

import cn.nukkit.event.player.PlayerChatEvent; //导入依赖的package包/类
@EventHandler
public void onPlayerChat(PlayerChatEvent event) {
    event.setMessage(PluginUtils.colorize(event.getMessage()));
}