paper-mc/src/main/java/org/bukkit/craftbukkit/CraftVehicle.java

package org.bukkit.craftbukkit;

import org.bukkit.Entity;
import org.bukkit.Vehicle;

/**
 * A vehicle.
 * 
 * @author sk89q
 */
public abstract class CraftVehicle extends CraftEntity implements Vehicle {
    public CraftVehicle(CraftServer server, net.minecraft.server.Entity entity) {
        super(server, entity);
    }

    public Entity getPassenger() {
        return ((CraftWorld)getWorld()).toCraftEntity(getHandle().j);
    }
    
    public boolean setPassenger(Entity passenger) {
        ((CraftEntity)passenger).getHandle().setPassengerOf(getHandle());
        return true;
    }

    public boolean isEmpty() {
        return getHandle().j == null;
    }
    
    public boolean eject() {
        if (getHandle().j == null) {
            return false;
        }
        
        getHandle().j.setPassengerOf(null);
        return true;
    }
}