- /*
- * Copyright 2016 andylizi.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package net.andylizi.antirepeat;
- import java.util.*;
- import java.util.concurrent.ConcurrentHashMap;
- import java.util.concurrent.ConcurrentMap;
- import java.util.function.Predicate;
- import org.bukkit.Bukkit;
- import org.bukkit.entity.Player;
- import org.bukkit.event.EventHandler;
- import org.bukkit.event.Listener;
- import org.bukkit.event.player.AsyncPlayerChatEvent;
- import org.bukkit.event.player.PlayerCommandPreprocessEvent;
- import org.bukkit.event.player.PlayerQuitEvent;
- import org.bukkit.plugin.java.JavaPlugin;
- import org.bukkit.scheduler.BukkitRunnable;
- /**
- * @author andylizi
- */
- public class AntiRepeat extends JavaPlugin implements Listener{
- private final ConcurrentMap<UUID, LinkedList<String>> lastChat = new ConcurrentHashMap<>();
- @Override
- public void onEnable() {
- Bukkit.getPluginManager().registerEvents(this, this);
- new BukkitRunnable() {
- @Override
- public void run() {
- lastChat.clear();
- }
- }.runTaskTimerAsynchronously(this, 0L, 20 * 60L);
- }
-
- @EventHandler(ignoreCancelled = true)
- public void onChat(AsyncPlayerChatEvent event){
- if(handle(event.getPlayer(), event.getMessage().toLowerCase()))
- event.setCancelled(true);
- }
-
- @EventHandler(ignoreCancelled = true)
- public void onCommand(PlayerCommandPreprocessEvent event){
- if(handle(event.getPlayer(), event.getMessage().toLowerCase()))
- event.setCancelled(true);
- }
-
- @EventHandler
- public void onQuit(PlayerQuitEvent event){
- lastChat.remove(event.getPlayer().getUniqueId());
- }
-
- public boolean handle(Player player, String msg){
- if(player.isOp())
- return false;
- if(!CosineSimilarAlgorithm.containsChinese(msg))
- return false;
- UUID uid = player.getUniqueId();
- LinkedList<String> last = lastChat.get(uid);
- if(last == null){
- last = new LinkedList<>();
- last.addFirst(msg);
- lastChat.put(uid, last);
- return false;
- }
- if(contains(last, msg, 0.85) > 1){
- player.sendMessage("§c你是复读机么?");
- return true;
- }
- last.addFirst(msg);
- while(last.size() > 10)
- last.pollLast();
- lastChat.put(uid, last);
- return false;
- }
-
- public static int contains(Collection<String> list, String str, double threshold){
- return count(list, s -> CosineSimilarAlgorithm.getSimilarity(str, s) > threshold);
- }
-
- public static <T> int count(Collection<T> collection, Predicate<T> predicate){
- return (int) collection.stream()
- .filter(predicate)
- .count();
- }
- }
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AntiRepeat.jar
(5.78 KB, 下载次数: 1117)
