/*
        AUTOMATICALLY GENERATED BY jTemp FROM
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*/
/**
 * Copyright (c) 2011, The University of Southampton and the individual contributors.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   *  Redistributions of source code must retain the above copyright notice,
 *      this list of conditions and the following disclaimer.
 *
 *   *  Redistributions in binary form must reproduce the above copyright notice,
 *      this list of conditions and the following disclaimer in the documentation
 *      and/or other materials provided with the distribution.
 *
 *   *  Neither the name of the University of Southampton nor the names of its
 *      contributors may be used to endorse or promote products derived from this
 *      software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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package org.openimaj.content.animation.animator;

/**
 * A {@link ValueAnimator} capable of producing long arrays from
 * a set of potentially independent underlying {@link ValueAnimator}s. 
 * 
 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
 */
public class LongArrayValueAnimator implements ValueAnimator<long[]> {
        ValueAnimator<Long> [] animators;
        
        /**
         * Construct from an array of {@link ValueAnimator}s
         * @param animators the animators
         */
        @SafeVarargs
        public LongArrayValueAnimator(ValueAnimator<Long>... animators) {
                this.animators = animators;
        }
        
        /**
         * Construct a new LongArrayValueAnimator from an array of 
         * values using {@link LinearLongValueAnimator}s with the 
         * range -max to +max and the given duration.
         * 
         * @param duration the duration of the underlying animators 
         * @param maxs max distance from 0 (+/-)
         * @return new {@link LongArrayValueAnimator}
         */
        @SuppressWarnings("unchecked")
        public static LongArrayValueAnimator makeLinear(int duration, long... maxs) {
                ValueAnimator<Long> [] animators = new ValueAnimator[maxs.length];
                
                for (int i=0; i<maxs.length; i++)
                        animators[i] = new LinearLongValueAnimator((long)(-maxs[i]), maxs[i], duration);
                
                return new LongArrayValueAnimator(animators);
        }
        
        /**
         * Construct a new LongArrayValueAnimator from count 
         * {@link LinearLongValueAnimator}s with the given start 
         * and finish values, and the given duration.
         * 
         * @param duration the duration
         * @param count the number of animators
         * @param start the starting value
         * @param finish the finishing value
         * @return new {@link LongArrayValueAnimator}
         */
        @SuppressWarnings("unchecked")
        public static LongArrayValueAnimator makeLinear(int duration, int count, long start, long finish) {
                ValueAnimator<Long> [] animators = new ValueAnimator[count];
                
                for (int i=0; i<count; i++)
                        animators[i] = new LinearLongValueAnimator(start, finish, duration);
                
                return new LongArrayValueAnimator(animators);
        }
        
        /**
         * Construct a new LongArrayValueAnimator from an array of 
         * values using {@link RandomLinearLongValueAnimator}s with the 
         * range -max to +max and the given duration.
         * 
         * @param duration the duration of the underlying animators 
         * @param maxs max distance from 0 (+/-)
         * @return new {@link LongArrayValueAnimator}
         */
        @SuppressWarnings("unchecked")
        public static LongArrayValueAnimator makeRandomLinear(int duration, long... maxs) {
                ValueAnimator<Long> [] animators = new ValueAnimator[maxs.length];
                
                for (int i=0; i<maxs.length; i++)
                        animators[i] = new RandomLinearLongValueAnimator((long)(-maxs[i]), maxs[i], duration);
                
                return new LongArrayValueAnimator(animators);
        }
        
        /**
         * Construct a new LongArrayValueAnimator from count 
         * {@link RandomLinearLongValueAnimator}s with the given start 
         * and finish values, and the given duration.
         * 
         * @param duration the duration
         * @param count the number of animators
         * @param start the starting value
         * @param finish the finishing value
         * @return new {@link LongArrayValueAnimator}
         */
        @SuppressWarnings("unchecked")
        public static LongArrayValueAnimator makeRandomLinear(int duration, int count, long start, long finish) {
                ValueAnimator<Long> [] animators = new ValueAnimator[count];
                
                for (int i=0; i<count; i++)
                        animators[i] = new RandomLinearLongValueAnimator(start, finish, duration);
                
                return new LongArrayValueAnimator(animators);
        }
        
        @Override
        public long[] nextValue() {
                long[] value = new long[animators.length];
                
                for (int i=0; i<animators.length; i++)
                        value[i] = animators[i].nextValue();
                
                return value;
        }

        @Override
        public boolean hasFinished() {
                for (ValueAnimator<Long> a : animators) {
                        if (!a.hasFinished())
                                return false;
                }
                return true;
        }

        @Override
        public void reset() {
                for (ValueAnimator<Long> animator : animators)
                        animator.reset();
        }
}