using System;
using UnityEngine;

namespace Es.InkPainter.Sample
{
	public class MousePainter : MonoBehaviour
	{
		[Serializable]
		private enum UseMethodType
		{
			RaycastHitInfo = 0,
			WorldPoint = 1,
			NearestSurfacePoint = 2,
			DirectUV = 3
		}

		[SerializeField]
		private Brush brush;

		[SerializeField]
		private UseMethodType useMethodType;

		[SerializeField]
		private bool erase;

		private void Update()
		{
			if (!Input.GetMouseButton(0))
			{
				return;
			}
			Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
			bool flag = true;
			if (!Physics.Raycast(ray, out var hitInfo))
			{
				return;
			}
			InkCanvas component = hitInfo.transform.GetComponent<InkCanvas>();
			if (component != null)
			{
				switch (useMethodType)
				{
				case UseMethodType.RaycastHitInfo:
					flag = (erase ? component.Erase(brush, hitInfo) : component.Paint(brush, hitInfo));
					break;
				case UseMethodType.WorldPoint:
					flag = (erase ? component.Erase(brush, hitInfo.point) : component.Paint(brush, hitInfo.point));
					break;
				case UseMethodType.NearestSurfacePoint:
					flag = (erase ? component.EraseNearestTriangleSurface(brush, hitInfo.point) : component.PaintNearestTriangleSurface(brush, hitInfo.point));
					break;
				case UseMethodType.DirectUV:
					if (!(hitInfo.collider is MeshCollider))
					{
						Debug.LogWarning("Raycast may be unexpected if you do not use MeshCollider.");
					}
					flag = (erase ? component.EraseUVDirect(brush, hitInfo.textureCoord) : component.PaintUVDirect(brush, hitInfo.textureCoord));
					break;
				}
			}
			if (!flag)
			{
				Debug.LogError("Failed to paint.");
			}
		}

		public void OnGUI()
		{
			if (GUILayout.Button("Reset"))
			{
				InkCanvas[] array = UnityEngine.Object.FindObjectsOfType<InkCanvas>();
				for (int i = 0; i < array.Length; i++)
				{
					array[i].ResetPaint();
				}
			}
		}
	}
}