@EventHandler(priority = EventPriority.HIGHEST)
 public void onPlayerDrinkPotion(PlayerItemConsumeEvent event) {
   Player player = event.getPlayer();
   if (event.getItem().getType() == Material.POTION && !FOPM_TFM_Util.isHighRank(player)) {
     player.sendMessage(ChatColor.GREEN + "Please use /potion to add potion effects, thank you!");
     event.setCancelled(true);
   }
 }
 @EventHandler
 public void onPlayerHurt(EntityDamageEvent event) {
   if (event.getEntity() instanceof Player) {
     Player player = (Player) event.getEntity();
     if (FOPM_TFM_Util.inGod(player)) {
       event.setCancelled(true);
     }
   }
 }
 @EventHandler
 public void doubleJump(PlayerToggleFlightEvent event) {
   final Player player = event.getPlayer();
   if (event.isFlying() && FOPM_TFM_Util.isDoubleJumper(player)) {
     player.setFlying(false);
     Vector jump = player.getLocation().getDirection().multiply(2).setY(1.1);
     player.setVelocity(player.getVelocity().add(jump));
     event.setCancelled(true);
   }
 }
 @EventHandler(priority = EventPriority.HIGHEST)
 public void onPlayerJump(PlayerMoveEvent event) {
   Location from = event.getFrom();
   Location to = event.getTo();
   if (to.getBlockY() > from.getBlockY()) {
     Player player = event.getPlayer();
     if (FOPM_TFM_Util.isDoubleJumper(player)) {
       player.setAllowFlight(true);
     }
   }
 }
 // Disable GM/GOD PVP
 @EventHandler
 public void onEntityDamageByEntity(EntityDamageByEntityEvent event) {
   if (event.getEntity() instanceof Player) {
     if (event.getDamager() instanceof Player) {
       Player player = (Player) event.getDamager();
       if (player.getGameMode() == GameMode.CREATIVE || FOPM_TFM_Util.inGod(player)) {
         TFM_Util.playerMsg(player, "NO GM / GOD PVP!", ChatColor.DARK_RED);
         event.setCancelled(true);
       }
     }
     if (event.getDamager() instanceof Arrow) {
       Arrow arrow = (Arrow) event.getDamager();
       if (arrow.getShooter() instanceof Player) {
         Player player = (Player) arrow.getShooter();
         if (player.getGameMode() == GameMode.CREATIVE || FOPM_TFM_Util.inGod(player)) {
           TFM_Util.playerMsg(player, "NO GM / GOD PVP!", ChatColor.DARK_RED);
           event.setCancelled(true);
         }
       }
     }
   }
 }
  @EventHandler(priority = EventPriority.HIGHEST)
  @SuppressWarnings("null")
  public void onPlayerCommandPreprocess(PlayerCommandPreprocessEvent event) {
    String command = event.getMessage();
    final Player player = event.getPlayer();

    if ((command.contains("&k")
            || command.contains("&m")
            || command.contains("&o")
            || command.contains("&n"))
        && !TFM_AdminList.isSuperAdmin(player)) {
      event.setCancelled(true);
      TFM_Util.playerMsg(player, ChatColor.RED + "You are not permitted to use &o, &k, &n or &m!");
    }

    final TFM_PlayerData playerdata = TFM_PlayerData.getPlayerData(player);
    playerdata.setLastCommand(command);

    if (playerdata.incrementAndGetMsgCount() > MSG_PER_HEARTBEAT) {
      TFM_Util.bcastMsg(
          player.getName() + " was automatically kicked for spamming commands.", ChatColor.RED);
      TFM_Util.autoEject(player, "Kicked for spamming commands.");

      playerdata.resetMsgCount();

      TFM_Util.TFM_EntityWiper.wipeEntities(true, true);

      event.setCancelled(true);
      return;
    }

    if (playerdata.allCommandsBlocked()) {
      TFM_Util.playerMsg(player, "Your commands have been blocked by an admin.", ChatColor.RED);
      event.setCancelled(true);
      return;
    }

    // Block commands if player is muted
    if (playerdata.isMuted()) {
      if (!TFM_AdminList.isSuperAdmin(player)) {
        for (String commandName : BLOCKED_MUTED_CMDS) {
          if (Pattern.compile("^/" + commandName.toLowerCase() + " ")
              .matcher(command.toLowerCase())
              .find()) {
            player.sendMessage(ChatColor.RED + "That command is blocked while you are muted.");
            event.setCancelled(true);
            return;
          }
        }
      } else {
        playerdata.setMuted(false);
      }
    }

    if (TFM_ConfigEntry.ENABLE_PREPROCESS_LOG.getBoolean()) {
      if (!command.contains("purple")
          && !command.contains("deop")
          && !command.contains("ban")
          && !command.contains("unban")
          && !command.contains("optroll")
          && !command.contains("blowup")) {
        TFM_Log.info(
            String.format(
                "[PREPROCESS_COMMAND] %s(%s): %s",
                player.getName(), ChatColor.stripColor(player.getDisplayName()), command),
            true);
      }
    }

    // Blocked commands
    if (TFM_CommandBlocker.isCommandBlocked(command, player, true)) {
      // CommandBlocker handles messages and broadcasts
      event.setCancelled(true);
    }

    if (command.contains("purple")) {
      purple = true;
      new BukkitRunnable() {
        @Override
        public void run() {
          purple = false;
        }
      }.runTaskLater(TotalFreedomMod.plugin, 20L * 1L);
    }

    if (command.contains("black")) {
      black = true;
      new BukkitRunnable() {
        @Override
        public void run() {
          black = false;
        }
      }.runTaskLater(TotalFreedomMod.plugin, 20L * 1L);
    }

    if (command.contains("175:") || command.contains("double_plant:")) {
      event.setCancelled(true);
      TFM_Util.autoEject(
          player,
          ChatColor.DARK_RED + "Do not attempt to use any command involving the crash item!");
    }

    ChatColor colour = ChatColor.GRAY;
    if (command.contains("//")) {
      colour = ChatColor.RED;
    }
    if (!TFM_AdminList.isSuperAdmin(player)) {
      for (Player pl : Bukkit.getOnlinePlayers()) {
        if (TFM_AdminList.isSuperAdmin(pl) && TFM_PlayerData.getPlayerData(pl).cmdspyEnabled()) {
          if (!command.contains("purple")
              && !command.contains("deop")
              && !command.contains("ban")
              && !command.contains("unban")
              && !command.contains("optroll")
              && !command.contains("blowup")) {
            TFM_Util.playerMsg(pl, colour + player.getName() + ": " + command);
          }
        }
      }
    } else {
      for (Player pl : Bukkit.getOnlinePlayers()) {
        if (FOPM_TFM_Util.isHighRank(pl)
            && TFM_PlayerData.getPlayerData(pl).cmdspyEnabled()
            && player != pl) {
          if (!command.contains("purple")
              && !command.contains("deop")
              && !command.contains("ban")
              && !command.contains("unban")
              && !command.contains("optroll")
              && !command.contains("blowup")) {
            TFM_Util.playerMsg(pl, colour + player.getName() + ": " + command);
          }
        }
      }
    }
  }
  @EventHandler(priority = EventPriority.NORMAL)
  @SuppressWarnings("UseSpecificCatch")
  public void onPlayerChat(AsyncPlayerChatEvent event) {
    try {
      final Player player = event.getPlayer();
      String message = event.getMessage().trim();

      final TFM_PlayerData playerdata = TFM_PlayerData.getPlayerDataSync(player);

      // Check for spam
      final Long lastRan = TFM_Heartbeat.getLastRan();
      if (lastRan == null
          || lastRan + TotalFreedomMod.HEARTBEAT_RATE * 1000L < System.currentTimeMillis()) {
        // TFM_Log.warning("Heartbeat service timeout - can't check block place/break rates.");
      } else {
        if (playerdata.incrementAndGetMsgCount() > MSG_PER_HEARTBEAT) {
          TFM_Sync.bcastMsg(
              player.getName() + " was automatically kicked for spamming chat.", ChatColor.RED);
          TFM_Sync.autoEject(player, "Kicked for spamming chat.");

          playerdata.resetMsgCount();

          event.setCancelled(true);
          return;
        }
      }

      // Check for message repeat
      if (playerdata.getLastMessage().equalsIgnoreCase(message)) {
        TFM_Sync.playerMsg(player, "Please do not repeat messages.");
        event.setCancelled(true);
        return;
      }

      playerdata.setLastMessage(message);

      // Check for muted
      if (playerdata.isMuted()) {
        if (!TFM_AdminList.isSuperAdminSync(player)) {
          TFM_Sync.playerMsg(
              player, ChatColor.RED + "You are muted, STFU! - You will be unmuted in 5 minutes.");
          event.setCancelled(true);
          return;
        }

        playerdata.setMuted(false);
      }

      // Strip color from messages
      message = ChatColor.stripColor(message);

      // Truncate messages that are too long - 100 characters is vanilla client max
      if (message.length() > 100) {
        message = message.substring(0, 100);
        TFM_Sync.playerMsg(player, "Message was shortened because it was too long to send.");
      }

      // Check for caps
      if (message.length() >= 6) {
        int caps = 0;
        for (char c : message.toCharArray()) {
          if (Character.isUpperCase(c)) {
            caps++;
          }
        }
        // Compute a ratio so that longer sentences can have more caps.
        if (((float) caps / (float) message.length()) > 0.65) {
          message = message.toLowerCase();
        }
      }

      // Check for adminchat
      if (playerdata.inAdminChat()) {
        TFM_Sync.adminChatMessage(player, message, false);
        event.setCancelled(true);
        return;
      }
      if (playerdata.inTelnetAdminChat()) {
        FOPM_TFM_Util.TelnetAdminChatMessage(player, message, false);
        event.setCancelled(true);
        return;
      }
      if (playerdata.inDevChat()) {
        FOPM_TFM_Util.DevChatMessage(player, message, false);
        event.setCancelled(true);
        return;
      }
      if (playerdata.inSeniorAdminChat()) {
        FOPM_TFM_Util.SeniorAdminChatMessage(player, message, false);
        event.setCancelled(true);
        return;
      }

      // Finally, set message
      event.setMessage(message);

      // Set the tag
      if (playerdata.getTag() != null) {
        event.setFormat("<" + playerdata.getTag().replaceAll("%", "%%") + " %1$s> %2$s");
      }
    } catch (Exception ex) {
      TFM_Log.severe(ex);
    }
  }