using UnityEngine;

namespace Artngame.SKYMASTER
{
	[ExecuteInEditMode]
	public class RenderReplacementShaderToTexture : MonoBehaviour
	{
		[SerializeField]
		private Shader replacementShader;

		[SerializeField]
		private RenderTextureFormat renderTextureFormat = RenderTextureFormat.ARGBFloat;

		[SerializeField]
		private FilterMode filterMode = FilterMode.Bilinear;

		[SerializeField]
		private int renderTextureDepth = 24;

		[SerializeField]
		private CameraClearFlags cameraClearFlags = CameraClearFlags.Color;

		[SerializeField]
		private Color background = Color.black;

		[SerializeField]
		private string targetTexture = "_CameraDepthNormalsTextureA";

		private RenderTexture renderTexture;

		public Camera cameraA;

		public LayerMask maskLayers;

		public bool createEditorCamera;

		private void Start()
		{
			if (Application.isPlaying)
			{
				if (cameraA != null)
				{
					Object.Destroy(cameraA.gameObject);
				}
				createCamera();
			}
		}

		private void Update()
		{
			if (!Application.isPlaying)
			{
				if (renderTexture == null)
				{
					Camera component = GetComponent<Camera>();
					renderTexture = new RenderTexture(component.pixelWidth, component.pixelHeight, renderTextureDepth, renderTextureFormat);
					renderTexture.filterMode = filterMode;
				}
				Shader.SetGlobalTexture(targetTexture, renderTexture);
				if (cameraA != null)
				{
					cameraA.targetTexture = renderTexture;
					cameraA.SetReplacementShader(replacementShader, "RenderType");
					cameraA.clearFlags = cameraClearFlags;
					cameraA.backgroundColor = background;
					cameraA.cullingMask = maskLayers;
					cameraA.renderingPath = RenderingPath.Forward;
				}
			}
			if (createEditorCamera && !Application.isPlaying)
			{
				if (cameraA != null)
				{
					Object.DestroyImmediate(cameraA.gameObject);
				}
				createCamera();
				createEditorCamera = false;
			}
		}

		private void createCamera()
		{
			Camera component = GetComponent<Camera>();
			renderTexture = new RenderTexture(component.pixelWidth, component.pixelHeight, renderTextureDepth, renderTextureFormat);
			renderTexture.filterMode = filterMode;
			Shader.SetGlobalTexture(targetTexture, renderTexture);
			GameObject gameObject = new GameObject("Camera" + targetTexture);
			cameraA = gameObject.AddComponent<Camera>();
			cameraA.CopyFrom(component);
			cameraA.transform.SetParent(base.transform);
			cameraA.targetTexture = renderTexture;
			cameraA.SetReplacementShader(replacementShader, "RenderType");
			cameraA.depth = component.depth - 1f;
			cameraA.clearFlags = cameraClearFlags;
			cameraA.backgroundColor = background;
			cameraA.cullingMask = maskLayers;
			cameraA.renderingPath = RenderingPath.Forward;
		}
	}
}