using System;
using UnityEngine;

namespace FX
{
	// Token: 0x02000777 RID: 1911
	[RequireComponent(typeof(Camera))]
	public class FX_CameraCtrl : MonoBehaviour
	{
		// Token: 0x06003084 RID: 12420 RVA: 0x00105110 File Offset: 0x00105110
		private void Start()
		{
			this.cameraComponent = base.GetComponent<Camera>();
			this.fov = this.cameraComponent.fieldOfView;
		}

		// Token: 0x06003085 RID: 12421 RVA: 0x00105130 File Offset: 0x00105130
		private void Update()
		{
			this.lookatPos = base.transform.position + base.transform.forward * this.lookatDistance;
			this.MouseUpdate();
		}

		// Token: 0x06003086 RID: 12422 RVA: 0x00105164 File Offset: 0x00105164
		private void MouseUpdate()
		{
			float num = Input.GetAxis("Mouse ScrollWheel") * -this.wheelSpeed;
			if (num != 0f)
			{
				this.CameraFov(num);
			}
			if (Input.GetMouseButtonDown(0) || Input.GetMouseButtonDown(1) || Input.GetMouseButtonDown(2))
			{
				this.preMousePos = Input.mousePosition;
			}
			this.MouseDrag(Input.mousePosition);
		}

		// Token: 0x06003087 RID: 12423 RVA: 0x001051D0 File Offset: 0x001051D0
		private void MouseDrag(Vector3 mousePos)
		{
			Vector3 a = mousePos - this.preMousePos;
			if (a.magnitude < 1E-05f)
			{
				return;
			}
			if (Input.GetMouseButton(2))
			{
				base.transform.Translate(-a * Time.deltaTime * this.mouseMiddleSpeed);
			}
			else if (Input.GetMouseButton(1))
			{
				this.CameraTargetRotate(new Vector2(-a.y, a.x) * this.mouseRightSpeed);
			}
			else if (Input.GetMouseButton(0))
			{
				this.CameraMoveForward(a.y * this.mouseLeftSpeed);
			}
			this.preMousePos = mousePos;
		}

		// Token: 0x06003088 RID: 12424 RVA: 0x00105290 File Offset: 0x00105290
		public void CameraTargetRotate(Vector2 angle)
		{
			base.transform.RotateAround(this.lookatPos, base.transform.right, angle.x);
			base.transform.RotateAround(this.lookatPos, Vector3.up, angle.y);
		}

		// Token: 0x06003089 RID: 12425 RVA: 0x001052E0 File Offset: 0x001052E0
		public void CameraRotate(Vector2 angle)
		{
			base.transform.RotateAround(base.transform.position, base.transform.right, angle.x);
			base.transform.RotateAround(base.transform.position, Vector3.up, angle.y);
		}

		// Token: 0x0600308A RID: 12426 RVA: 0x00105338 File Offset: 0x00105338
		public void CameraFov(float angle)
		{
			this.fov += angle;
			this.fov = Mathf.Clamp(this.fov, 5f, 170f);
			this.cameraComponent.fieldOfView = this.fov;
		}

		// Token: 0x0600308B RID: 12427 RVA: 0x00105374 File Offset: 0x00105374
		private void CameraMoveForward(float delta)
		{
			base.transform.position += base.transform.forward * delta * 0.1f;
		}

		// Token: 0x0600308C RID: 12428 RVA: 0x001053A8 File Offset: 0x001053A8
		private void OnDrawGizmos()
		{
			Gizmos.color = new Color(0f, 0f, 0f, 0.5f);
			Gizmos.DrawWireSphere(this.lookatPos, 0.01f);
			Gizmos.DrawWireSphere(this.lookatPos, 0.02f);
			Gizmos.DrawWireSphere(this.lookatPos, 0.03f);
			Gizmos.DrawLine(this.lookatPos, base.transform.position);
		}

		// Token: 0x040056FF RID: 22271
		[Range(0.1f, 50f)]
		[SerializeField]
		private float wheelSpeed = 20f;

		// Token: 0x04005700 RID: 22272
		[Range(0.01f, 10f)]
		[SerializeField]
		private float mouseMiddleSpeed = 1f;

		// Token: 0x04005701 RID: 22273
		[Range(0.01f, 10f)]
		[SerializeField]
		private float mouseRightSpeed = 0.2f;

		// Token: 0x04005702 RID: 22274
		[Range(0.01f, 10f)]
		[SerializeField]
		private float mouseLeftSpeed = 0.1f;

		// Token: 0x04005703 RID: 22275
		private Vector3 preMousePos;

		// Token: 0x04005704 RID: 22276
		private Camera cameraComponent;

		// Token: 0x04005705 RID: 22277
		private float fov;

		// Token: 0x04005706 RID: 22278
		private Vector3 lookatPos;

		// Token: 0x04005707 RID: 22279
		private float lookatDistance = 3f;
	}
}