using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class SpherePointSampler : MonoBehaviour
{
	[Header("Ustawienia sfery")]
	public float radius = 10f;

	public Vector3 spacing = new Vector3(1f, 1f, 1f);

	public LayerMask terrainMask;

	public LayerMask objectMask;

	public List<Vector3> Points;

	public bool isAllPointsInitialized;

	public int updatePointPerFrame = 100;

	public bool isDebugModeEnabled;

	public event Action OnInitialized;

	public void Generate()
	{
		StartCoroutine(OptimizationPointsDrawing());
	}

	private IEnumerator OptimizationPointsDrawing()
	{
		int num = updatePointPerFrame;
		Points.Clear();
		for (float x = 0f - radius; x < radius; x += spacing.x)
		{
			for (float z = 0f - radius; z < radius; z += spacing.z)
			{
				for (float y = radius; y > 0f - radius; y -= spacing.y)
				{
					num--;
					if (num == 0)
					{
						yield return null;
						num = updatePointPerFrame;
					}
					Vector3 vector = new Vector3(x, y, z) + base.transform.position;
					if (Physics.Raycast(vector, Vector3.down, spacing.y, terrainMask))
					{
						break;
					}
					if (!(Vector3.Distance(vector, base.transform.position) > radius) && !(vector.y > 0f))
					{
						Points.Add(vector);
					}
				}
			}
		}
		this.OnInitialized();
		isAllPointsInitialized = true;
	}

	private void OnDrawGizmos()
	{
		if (!isDebugModeEnabled)
		{
			return;
		}
		Gizmos.color = new Color(1f, 1f, 1f, 0.2f);
		Gizmos.DrawSphere(base.transform.position, radius);
		if (Points == null || Points.Count <= 0)
		{
			return;
		}
		foreach (Vector3 point in Points)
		{
			Gizmos.DrawSphere(point, 0.2f);
		}
	}

	public Vector3 GetRandomPoint()
	{
		return Points[UnityEngine.Random.Range(0, Points.Count)];
	}
}