/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated July 28, 2023. Replaces all prior versions.
 *
 * Copyright (c) 2013-2023, Esoteric Software LLC
 *
 * Integration of the Spine Runtimes into software or otherwise creating
 * derivative works of the Spine Runtimes is permitted under the terms and
 * conditions of Section 2 of the Spine Editor License Agreement:
 * http://esotericsoftware.com/spine-editor-license
 *
 * Otherwise, it is permitted to integrate the Spine Runtimes into software or
 * otherwise create derivative works of the Spine Runtimes (collectively,
 * "Products"), provided that each user of the Products must obtain their own
 * Spine Editor license and redistribution of the Products in any form must
 * include this license and copyright notice.
 *
 * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "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 ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
 * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
 * SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/

package spine.animation;

import spine.Bone;
import spine.Event;
import spine.MathUtils;
import spine.Skeleton;

/** Changes a bone's local {@link Bone#scaleX}. */
class ScaleXTimeline extends CurveTimeline1 implements BoneTimeline {
	private var boneIndex:Int = 0;

	public function new(frameCount:Int, bezierCount:Int, boneIndex:Int) {
		super(frameCount, bezierCount, [Property.scaleX + "|" + boneIndex]);
		this.boneIndex = boneIndex;
	}

	public function getBoneIndex():Int {
		return boneIndex;
	}

	override public function apply(skeleton:Skeleton, lastTime:Float, time:Float, events:Array<Event>, alpha:Float, blend:MixBlend,
			direction:MixDirection):Void {
		var bone:Bone = skeleton.bones[boneIndex];
		if (bone.active) bone.scaleX = getScaleValue(time, alpha, blend, direction, bone.scaleX, bone.data.scaleX);
	}
}