#pragma once

#include "ehs/EHS.h"
#include "ehs/Array.h"
#include "ehs/Vec3.h"
#include "ehs/Quat.h"
#include "ehs/Mat4.h"
#include "PropertyChange.h"

namespace ehs
{
	class EHS_LIB_IO KeyFrame
	{
	private:
		float num;
		float timeStamp;
		Vec3_f pos;
		Quat_f rot;
		Vec3_f scale;
		Mat4_f trans;

	public:
		KeyFrame();

		KeyFrame(const float num, const float timeStamp, const Vec3_f& pos, const Quat_f& rot, const Vec3_f& scale);

		KeyFrame(const float num, const float timeStamp);

		KeyFrame(const KeyFrame& kf);

		KeyFrame& operator=(const KeyFrame& kf);

		float GetNum() const;

		float GetTimeStamp() const;

		void SetPos(const Vec3_f& newPos);

		Vec3_f GetPos() const;

		void SetRot(const Quat_f& newRot);

		Quat_f GetRot() const;

		void SetScale(const Vec3_f& newScale);

		Vec3_f GetScale() const;

		void CalculateTransform();

		Mat4_f GetTrans() const;

		static Mat4_f Interpolate(const KeyFrame& prev, const KeyFrame& next, const float percentage);
	};
}