/*
 * This file is part of Sponge, licensed under the MIT License (MIT).
 *
 * Copyright (c) SpongePowered.org <http://www.spongepowered.org>
 * Copyright (c) contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package org.spongepowered.api.event.attribute;

import org.spongepowered.api.attribute.Attribute;
import org.spongepowered.api.attribute.AttributeHolder;
import org.spongepowered.api.util.event.Cancellable;

/**
 * An event fired when the base value of an {@link Attribute} is changed on an
 * {@link AttributeHolder}.
 */
public interface AttributeBaseChangedEvent extends AttributeEvent, Cancellable {

    /**
     * Gets the old value of the changed {@link Attribute}.
     *
     * @return The old value of the changed Attribute
     */
    double getOldValue();

    /**
     * Gets the new value of the changed {@link Attribute}.
     *
     * @return The new value of the changed Attribute
     */
    double getNewValue();

    /**
     * Checks if this is a flowerpot.
     *
     * @return Whether this is a flowerpot
     */
    boolean isFlowerPot();
}
