using System;
using ProCore.Decals;
using UnityEngine;

[ExecuteInEditMode]
[RequireComponent(typeof(MeshFilter))]
[RequireComponent(typeof(MeshRenderer))]
public class qd_Decal : MonoBehaviour
{
	[SerializeField]
	[HideInInspector]
	private Texture2D _texture;

	[HideInInspector]
	[SerializeField]
	private Rect _rect;

	[SerializeField]
	[HideInInspector]
	private float _scale;

	public Texture2D texture
	{
		get
		{
			return _texture;
		}
	}

	private void Awake()
	{
		Verify();
	}

	public void SetScale(float scale)
	{
		_scale = scale;
	}

	public void SetTexture(Texture2D tex)
	{
		_texture = tex;
	}

	public void SetUVRect(Rect r)
	{
		_rect = r;
		Vector2[] uv = new Vector2[4]
		{
			new Vector2(_rect.x + _rect.width, _rect.y),
			new Vector2(_rect.x, _rect.y),
			new Vector2(_rect.x + _rect.width, _rect.y + _rect.height),
			new Vector2(_rect.x, _rect.y + _rect.height)
		};
		GetComponent<MeshFilter>().sharedMesh.uv = uv;
	}

	public void FreezeTransform()
	{
		Vector3 localScale = base.transform.localScale;
		Mesh sharedMesh = base.transform.GetComponent<MeshFilter>().sharedMesh;
		Vector3[] vertices = sharedMesh.vertices;
		for (int i = 0; i < vertices.Length; i++)
		{
			vertices[i] = Vector3.Scale(vertices[i], localScale);
		}
		sharedMesh.vertices = vertices;
		base.transform.localScale = Vector3.one;
	}

	public void Verify()
	{
		Material material = GetComponent<MeshRenderer>().sharedMaterial;
		if (material == null)
		{
			GameObject[] array = qdUtil.FindDecalsWithTexture(_texture);
			array = Array.FindAll(array, (GameObject x) => x.GetComponent<MeshRenderer>().sharedMaterial != null);
			if (array == null || array.Length < 1)
			{
				material = new Material(Shader.Find("Transparent/Diffuse"));
				material.mainTexture = _texture;
			}
			else
			{
				material = array[0].GetComponent<MeshRenderer>().sharedMaterial;
			}
			GetComponent<MeshRenderer>().sharedMaterial = material;
		}
		if (GetComponent<MeshFilter>().sharedMesh == null)
		{
			GetComponent<MeshFilter>().sharedMesh = qd_Mesh.DecalMesh("DecalMesh" + GetInstanceID(), material, _rect, _scale);
		}
	}
}