using Es.InkPainter.Effective;
using UnityEngine;

namespace Es.InkPainter.Sample
{
	public class ClipPainter : MonoBehaviour
	{
		[SerializeField]
		private bool grab = true;

		[SerializeField]
		private Brush brush;

		[SerializeField]
		private GrabArea.GrabTextureWrapMode wrapMode = GrabArea.GrabTextureWrapMode.Repeat;

		private RenderTexture t;

		private RaycastHit hitInfo;

		private void OnGUI()
		{
			GUI.Box(new Rect(0f, 0f, 300f, 320f), "");
			GUI.Box(new Rect(0f, 0f, 300f, 300f), "Grab Texture");
			if (t != null)
			{
				GUI.DrawTexture(new Rect(0f, 0f, 300f, 300f), t);
			}
			grab = GUI.Toggle(new Rect(0f, 300f, 300f, 20f), grab, "Grab");
		}

		public void Awake()
		{
			t = new RenderTexture(brush.BrushTexture.width, brush.BrushTexture.height, 0);
		}

		private void Update()
		{
			if (Input.GetMouseButtonDown(0) && Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out hitInfo))
			{
				InkCanvas component = hitInfo.transform.GetComponent<InkCanvas>();
				if (component != null && !grab)
				{
					component.Paint(brush, hitInfo);
				}
				if (grab)
				{
					GrabArea.Clip(brush.BrushTexture, brush.Scale, hitInfo.transform.GetComponent<MeshRenderer>().sharedMaterial.mainTexture, hitInfo.textureCoord, brush.RotateAngle, wrapMode, t);
					brush.BrushTexture = t;
					brush.ColorBlending = Brush.ColorBlendType.UseBrush;
					grab = false;
				}
			}
		}
	}
}