NoCheatPlusHook.java

package fr.neatmonster.nocheatplushook;

import java.util.ArrayList;
import java.util.List;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerCommandPreprocessEvent;
import org.bukkit.plugin.java.JavaPlugin;

import fr.neatmonster.nocheatplus.actions.types.ActionList;
import fr.neatmonster.nocheatplus.checks.moving.MovingCheck;
import fr.neatmonster.nocheatplus.checks.moving.MovingConfig;
import fr.neatmonster.nocheatplus.checks.moving.MovingData;
import fr.neatmonster.nocheatplus.checks.moving.RunningCheck.RunningCheckEvent;
import fr.neatmonster.nocheatplus.players.NCPPlayer;

/**
 * Example usage of NoCheatPlus' API.
 */
public class NoCheatPlusHook extends JavaPlugin implements Listener {

    @Override
    public void onEnable() {
        Bukkit.getPluginManager().registerEvents(this, this);
    }

    // A list storing the names of the players allowed to fly.
    public List<String> exempted = new ArrayList<String>();

    // I was too lazy to register a command in the plugin.yml so I used the PlayerCommandPreprocessEvent. Do not use it
    // for your commands. :D
    @EventHandler(
            ignoreCancelled = true)
    public void onPlayerCommandPreprocess(final PlayerCommandPreprocessEvent event) {
        // If the command is /fly + something else optional.
        if (event.getMessage().split(" ")[0].equalsIgnoreCase("/fly")) {
            // If the name of the player isn't contained in the list...
            if (!exempted.contains(event.getPlayer().getName())) {
                // ...add it to allow him to fly.
                exempted.add(event.getPlayer().getName());
                // And display a nice green message.
                event.getPlayer().sendMessage(ChatColor.GREEN + "Fly enabled!");
            }

            // If the name of the player is contained in the list...
            else {
                // ...remove it to disallow him to fly.
                exempted.remove(event.getPlayer().getName());
                // And display a red ugly message.
                event.getPlayer().sendMessage(ChatColor.RED + "Fly disabled!");
            }

            // Cancel the event to do not send it the other plugins.
            event.setCancelled(true);
        }
    }

    // Here is the important part, the EventHandler handling the RunningCheckEvent triggered by the player if he fails
    // the check.
    @EventHandler(
            ignoreCancelled = true)
    public void onRunFlyCheck(final RunningCheckEvent event) {
        // If the list contains his name...
        if (exempted.contains(event.getPlayer().getName()))
            // Cancel the event, so the actions won't be executed.
            event.setCancelled(true);

        /**
         * All the stuff we can get using a NoCheatPlus' event.
         */
        // The player who has triggered the event.
        final NCPPlayer player = event.getPlayer();
        // How to get a Player instead of a NCPPlayer?
        final Player bukkitPlayer = player.getBukkitPlayer();
        // The check which has triggered this event.
        final MovingCheck check = event.getCheck();
        // It can be used to get the player's configuration,
        final MovingConfig config = check.getConfig(player);
        // or his data.
        final MovingData data = check.getData(player);
        // The actions which are going to be executed if the event isn't cancelled.
        final ActionList actionsList = event.getActions();
        // The current violation level of the player for this check.
        final double vL = event.getVL();
        // And of course this event implements cancellable so we can get his status
        final boolean cancel = event.isCancelled();
        // or decide to cancel it or not.
        event.setCancelled(true);
    }
}