using System.Collections.Generic;
using System.Linq;
using GPUInstancer;
using UnityEngine;
using UnityEngine.SceneManagement;

public class GPUInstancerToggle : MonoBehaviour
{
	private List<GPUInstancerDetailManager> details;

	private List<GPUInstancerTreeManager> trees;

	private bool isEnabled = true;

	private Camera gameplayCamera;

	private Camera additiveCamera;

	private void Start()
	{
		details = Object.FindObjectsOfType<GPUInstancerDetailManager>().ToList();
		trees = Object.FindObjectsOfType<GPUInstancerTreeManager>().ToList();
	}

	private void Update()
	{
		if (GameManager.Instance.addectiveSceneLoaded == "none")
		{
			gameplayCamera = ((gameplayCamera != null) ? gameplayCamera : Camera.main);
			additiveCamera = null;
			if (!isEnabled)
			{
				isEnabled = true;
				details.ForEach(delegate(GPUInstancerDetailManager e)
				{
					e.SetCamera(gameplayCamera);
				});
				trees.ForEach(delegate(GPUInstancerTreeManager e)
				{
					e.SetCamera(gameplayCamera);
				});
			}
		}
		else
		{
			if (!isEnabled && (bool)additiveCamera)
			{
				return;
			}
			isEnabled = false;
			Scene sceneByName = SceneManager.GetSceneByName(GameManager.Instance.addectiveSceneLoaded);
			additiveCamera = null;
			if (sceneByName.IsValid() && sceneByName.isLoaded)
			{
				GameObject[] rootGameObjects = sceneByName.GetRootGameObjects();
				additiveCamera = rootGameObjects.SelectMany((GameObject obj) => obj.GetComponentsInChildren<Camera>()).FirstOrDefault((Camera cam) => cam.enabled);
			}
			if ((bool)additiveCamera)
			{
				details.ForEach(delegate(GPUInstancerDetailManager e)
				{
					e.SetCamera(additiveCamera);
				});
				trees.ForEach(delegate(GPUInstancerTreeManager e)
				{
					e.SetCamera(additiveCamera);
				});
			}
		}
	}
}