/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated April 5, 2025. Replaces all prior versions.
 *
 * Copyright (c) 2013-2025, 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
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 *****************************************************************************/

#ifndef Spine_DeformTimeline_h
#define Spine_DeformTimeline_h

#include <spine/SlotCurveTimeline.h>

namespace spine {
	class VertexAttachment;

	/// Changes a slot's SlotPose::getDeform() to deform a VertexAttachment.
	class SP_API DeformTimeline : public SlotCurveTimeline {
		friend class SkeletonBinary;

		friend class SkeletonJson;

		RTTI_DECL

	public:
		explicit DeformTimeline(size_t frameCount, size_t bezierCount, int slotIndex, VertexAttachment &attachment);

		/// Sets the time and vertices for the specified frame.
		void setFrame(int frameIndex, float time, Array<float> &vertices);

		/// The vertices for each frame.
		Array<Array<float>> &getVertices();

		/// The attachment that will be deformed.
		VertexAttachment &getAttachment();

		void setAttachment(VertexAttachment &inValue);

		virtual void setBezier(size_t bezier, size_t frame, float value, float time1, float value1, float cx1, float cy1, float cx2, float cy2,
							   float time2, float value2) override;

		float getCurvePercent(float time, int frame);

		size_t getFrameCount() {
			return _frames.size();
		}

	protected:
		void _apply(Slot &slot, SlotPose &pose, float time, float alpha, MixBlend blend) override;

	private:
		Array<Array<float>> _vertices;

		VertexAttachment *_attachment;
	};
}

#endif /* Spine_DeformTimeline_h */