using System;
using UnityEngine;

namespace EnvSpawn
{
	[Serializable]
	public class Bitmask
	{
		public string bitmask;

		public Bitmask()
		{
			bitmask = string.Empty;
		}

		public Bitmask(int length)
		{
			bitmask = string.Empty;
			for (uint num = 0u; num <= length; num++)
			{
				bitmask += "0";
			}
		}

		public Bitmask(string bmask)
		{
			bitmask = bmask;
		}

		public int Length()
		{
			return bitmask.Length;
		}

		public int Get(uint i)
		{
			return int.Parse(bitmask.Substring((int)i, 1));
		}

		public string StrGet()
		{
			return bitmask;
		}

		public bool Evaluate(uint i)
		{
			return (Get(i) != 0) ? true : false;
		}

		public bool EvaluateAll()
		{
			for (uint num = 0u; num < Length(); num++)
			{
				if (Evaluate(num))
				{
					return true;
				}
			}
			return false;
		}

		public bool Insert(int i, int a)
		{
			if (i >= Length())
			{
				Debug.Log("Bitmask size is smaller than requested index " + i);
				return false;
			}
			bitmask = bitmask.Substring(0, i) + a + bitmask.Substring(i, Length() - i);
			return true;
		}

		public bool Replace(int i, int a)
		{
			if (i >= Length())
			{
				Debug.Log("Bitmask size is smaller than requested index " + i);
				return false;
			}
			bitmask = bitmask.Substring(0, i) + a + bitmask.Substring(i + 1, Length() - i - 1);
			return true;
		}

		public bool Remove(int i)
		{
			if (i >= Length())
			{
				Debug.Log("Bitmask size is smaller than requested index " + i);
				return false;
			}
			bitmask = bitmask.Substring(0, i) + bitmask.Substring(i + 1, Length() - i - 1);
			return true;
		}
	}
}