SendEventMode.java

/*
 * Copyright 2013 MovingBlocks
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.terasology.input;

/**
 */
public enum SendEventMode {
    /**
     * Send an event every update/frame with the current axis value
     */
    ALWAYS {
        @Override
        public boolean shouldSendEvent(float oldValue, float newValue) {
            return true;
        }
    },
    /**
     * Sends an event every frame in which the current axis value is not zero
     */
    WHEN_NON_ZERO {
        @Override
        public boolean shouldSendEvent(float oldValue, float newValue) {
            return newValue != 0;
        }
    },
    /**
     * Only sends an event when the value of the axis changes
     */
    WHEN_CHANGED {
        @Override
        public boolean shouldSendEvent(float oldValue, float newValue) {
            return oldValue != newValue;
        }
    };

    public abstract boolean shouldSendEvent(float oldValue, float newValue);
}