ProjectileListener.java

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

package packagename;

import net.md_5.bungee.api.ChatColor;
import net.md_5.bungee.api.chat.BaseComponent;
import net.md_5.bungee.api.chat.ComponentBuilder;
import net.md_5.bungee.api.chat.HoverEvent;
import org.bukkit.Location;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.ProjectileHitEvent;
import org.bukkit.event.entity.ProjectileLaunchEvent;
import org.bukkit.metadata.FixedMetadataValue;
import org.bukkit.plugin.Plugin;

public class ProjectileListener implements Listener
{

    private Plugin plugin;
    
    public ProjectileListener(Plugin plugin)
    {
        this.plugin = plugin;
    }

    @EventHandler
    public void onProjectileLaunch(ProjectileLaunchEvent event)
    {
        if ( event.getEntity().getShooter() instanceof Player )
        {
            event.getEntity().setMetadata( "launchLocation", 
                    new FixedMetadataValue( plugin, event.getEntity().getLocation() ) );
        }
    }

    @EventHandler
    public void onProjectileHit(ProjectileHitEvent event)
    {
        if ( event.getHitEntity() != null && event.getEntity().getShooter() instanceof Player )
        {
            Location launchLocation = (Location) event.getEntity()
                    .getMetadata( "launchLocation" ).get( 0 ).value();
            long distance = Math.round( event.getHitEntity().getLocation().distance( launchLocation ) );
            Player player = (Player) event.getEntity().getShooter();
            BaseComponent[] components = 
                    new ComponentBuilder( "You hit a " ).color( ChatColor.YELLOW ).bold( true )
                    .append( event.getHitEntity().getName() ).color( ChatColor.GOLD ).bold( true )
                    .append( " from " ).color( ChatColor.YELLOW ).bold( true )
                    .append( String.valueOf( distance ) ).color( ChatColor.RED ).bold( true )
                    .append( distance == 1 ? " block." : " blocks." ).color( ChatColor.YELLOW ).bold( true )
                    .create();
            for ( BaseComponent component : components )
            {
                component.setHoverEvent( new HoverEvent( HoverEvent.Action.SHOW_TEXT,
                        new ComponentBuilder( "Using a(n) " ).color( ChatColor.AQUA ).bold( true )
                                .append( event.getEntity().getName().toLowerCase() + "." ).color( ChatColor.DARK_AQUA )
                                .bold( true ).create() ) );
            }
            player.spigot().sendMessage( components );
        }
    }
}