using System;
using System.Collections.Generic;

namespace CPF.ReoGrid.Data
{
	[Serializable]
	public sealed class DictionaryTreeArray<T>
	{
		public T this[int row, int col]
		{
			get
			{
				long key = (long)(row >> 12 << 16 | col >> 8);
				bool flag = !this.data.ContainsKey(key);
				T result;
				if (flag)
				{
					result = default(T);
				}
				else
				{
					int num = (row >> 6) % 64;
					int num2 = (col >> 4) % 16;
					T[,] array = this.data[key][num, num2];
					result = ((array == null) ? default(T) : array[row % 64, col % 16]);
				}
				return result;
			}
			set
			{
				long key = (long)(row >> 12 << 16 | col >> 8);
				bool flag = !this.data.ContainsKey(key);
				T[,][,] array;
				if (flag)
				{
					bool flag2 = value == null;
					if (flag2)
					{
						return;
					}
					this.data.Add(key, array = new T[64, 16][,]);
				}
				else
				{
					array = this.data[key];
				}
				int num = (row >> 6) % 64;
				int num2 = (col >> 4) % 16;
				bool flag3 = array[num, num2] == null;
				if (flag3)
				{
					bool flag4 = value == null;
					if (flag4)
					{
						return;
					}
					array[num, num2] = new T[64, 16];
				}
				array[num, num2][row % 64, col % 16] = value;
			}
		}

		public const int RowSize = 64;

		public const int ColSize = 16;

		private Dictionary<long, T[,][,]> data = new Dictionary<long, T[,][,]>();
	}
}