using System;
using UnityEngine;

namespace UnitySA.Utility;

[Serializable]
public class CurveCtrlBob
{
	public float HorizontalBobRange = 0.33f;

	public float VerticalBobRange = 0.33f;

	public AnimationCurve Bobcurve = new AnimationCurve(new Keyframe(0f, 0f), new Keyframe(0.5f, 1f), new Keyframe(1f, 0f), new Keyframe(1.5f, -1f), new Keyframe(2f, 0f));

	public float VerticaltoHorizontalRatio = 1f;

	private float m_CyclePositionX;

	private float m_CyclePositionY;

	private float m_BobBaseInterval;

	private Vector3 m_OriginalCameraPosition;

	private float m_Time;

	public void Setup(Camera camera, float bobBaseInterval)
	{
		m_BobBaseInterval = bobBaseInterval;
		m_OriginalCameraPosition = camera.transform.localPosition;
		m_Time = Bobcurve[Bobcurve.length - 1].time;
	}

	public Vector3 DoHeadBob(float speed)
	{
		float x = m_OriginalCameraPosition.x + Bobcurve.Evaluate(m_CyclePositionX) * HorizontalBobRange;
		float y = m_OriginalCameraPosition.y + Bobcurve.Evaluate(m_CyclePositionY) * VerticalBobRange;
		m_CyclePositionX += speed * Time.deltaTime / m_BobBaseInterval;
		m_CyclePositionY += speed * Time.deltaTime / m_BobBaseInterval * VerticaltoHorizontalRatio;
		if (m_CyclePositionX > m_Time)
		{
			m_CyclePositionX -= m_Time;
		}
		if (m_CyclePositionY > m_Time)
		{
			m_CyclePositionY -= m_Time;
		}
		return new Vector3(x, y, 0f);
	}
}