using Es.InkPainter.Effective;
using UnityEngine;

namespace Es.InkPainter.Sample
{
	public class ReflectPainter : MonoBehaviour
	{
		[SerializeField]
		private Brush brush;

		[SerializeField]
		private GameObject camPref;

		private RenderTexture rt;

		private Camera cam;

		private Vector2 uv;

		private InkCanvas paintObject;

		public void Awake()
		{
			rt = new RenderTexture(Screen.width, Screen.height, 16, RenderTextureFormat.ARGB32);
			brush.ColorBlending = Brush.ColorBlendType.UseBrush;
		}

		public void OnGUI()
		{
			if (GUILayout.Button("Reset"))
			{
				if (paintObject != null)
				{
					paintObject.ResetPaint();
				}
				Object.Destroy(cam);
				cam = null;
			}
		}

		private void Update()
		{
			if (cam == null && Input.GetMouseButtonDown(0))
			{
				if (Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out var hitInfo))
				{
					paintObject = hitInfo.transform.GetComponent<InkCanvas>();
					if (paintObject != null)
					{
						uv = hitInfo.textureCoord;
						GameObject gameObject = Object.Instantiate(camPref, hitInfo.point, Quaternion.LookRotation(hitInfo.normal), hitInfo.transform);
						cam = gameObject.GetComponent<Camera>();
						cam.targetTexture = rt;
						gameObject.SetActive(value: true);
					}
				}
			}
			else if (cam != null)
			{
				RenderTexture temporary = RenderTexture.GetTemporary(brush.BrushTexture.width, brush.BrushTexture.height);
				GrabArea.Clip(brush.BrushTexture, brush.Scale, rt, Vector3.one * 0.5f, brush.RotateAngle, GrabArea.GrabTextureWrapMode.Clip, temporary);
				ReverseUV.Horizontal(temporary, temporary);
				Texture brushTexture = brush.BrushTexture;
				brush.BrushTexture = temporary;
				if (paintObject != null)
				{
					paintObject.PaintUVDirect(brush, uv);
				}
				RenderTexture.ReleaseTemporary(temporary);
				brush.BrushTexture = brushTexture;
			}
		}
	}
}