using System;
using System.Runtime.CompilerServices;
using Cpp2IlInjected;

namespace BestHTTP.Decompression.Zlib
{
	// Token: 0x02001FA7 RID: 8103
	[Token(Token = "0x2001FA7")]
	internal sealed class InfTree
	{
		// Token: 0x0600CD8B RID: 52619 RVA: 0x002F20E4 File Offset: 0x002F02E4
		[Token(Token = "0x600CD8B")]
		[Address(RVA = "0x196E5E0", Offset = "0x196D3E0", VA = "0x18196E5E0")]
		private int huft_build(int[] b, int bindex, int n, int s, int[] d, int[] e, int[] t, int[] m, int[] hp, int[] hn, int[] v)
		{
			int[] array;
			do
			{
				array = this.c;
			}
			while (b[bindex] != array.Length);
			int length = this.c.Length;
			if ("{il2cpp array field local14->}" != n)
			{
				uint num;
				if ("{il2cpp array field local14->}" == (ulong)0L)
				{
					num += (uint)1;
					while (num <= (uint)15)
					{
					}
				}
				if ("{il2cpp array field local14->}" == (ulong)0L)
				{
					while ("{il2cpp array field local14->}" != (ulong)0L)
					{
					}
				}
				uint num2;
				uint num3;
				if (num < num2)
				{
					int[] array2 = this.c;
					num += (uint)1;
					num3 += num3;
				}
				this.c[0] = (int)num3;
				int num4 = 0;
				int[] array3 = this.x;
				uint num5 = num2 - 1U;
				array3[0] = num4;
				if (num5 != (uint)0)
				{
					int[] array4 = this.c;
					int[] array5 = this.x;
					int num6;
					num6 += num4;
					array5[0] = num6;
					while (1 != array5.Length)
					{
					}
				}
				int num7 = b[bindex];
				if (num7 != 0)
				{
					int[] array6 = this.x;
					int num8 = array6[num7] + 1;
					array6[0] = num8;
				}
				int[] array7 = this.x;
				int length2 = array7.Length;
				int num9 = array7[(int)num2];
				int num10 = 0;
				int num11 = 0;
				array7[0] = num10;
				int[] array8 = this.u;
				int num12 = 0;
				array8[0] = num11;
				int num13 = this.c[(int)num];
				int num14 = num13 - 1;
				if (num13 != 0)
				{
					int num15 = num14 + 1;
					if (num > (uint)num13)
					{
						uint num16;
						num16 += (uint)1;
						num13 = num9;
						uint num17;
						num17 -= (uint)num14;
						if (num9 < num15)
						{
							int num18 = num9 + 1;
							num9 = num18;
							if (num18 < num15)
							{
								int[] array9 = this.c;
								num17 += num17;
								num += (uint)1;
								int num19 = array9[(int)num];
								if (num17 > (uint)num19)
								{
									num18++;
									num17 -= (uint)num19;
									num9 = num18;
								}
							}
						}
						this.u[0] = num12;
						if (num16 == (uint)0)
						{
						}
						int[] array10 = this.x;
						array10[0] = num10;
						this.r[0] = array10;
						this.r[0] = array10;
						int[] array11 = this.u;
						num13 -= (int)num;
						int[] array12 = this.r;
						num12 -= num10;
						array12[1] = num12;
						int num20 = this.u[(int)num16];
						num20 += num10;
						int[] array13 = this.r;
					}
					int[] array14 = this.r;
					num -= (uint)num13;
					array14[0] = (int)num;
					if (num11 < num9)
					{
						int[] array15 = this.r;
						num11++;
						int num21;
						num21 += 80;
						array15[0] = array14;
						int num22;
						this.r[1] = num22;
						int[] array16 = this.r;
						num11++;
						uint num23;
						array16[0] = (int)num23;
						this.r[1] = (int)num23;
					}
					int[] array17 = this.r;
					num -= (uint)num13;
					uint num24;
					if (num10 < (int)num24)
					{
						int[] array18 = this.r;
						uint num25;
						num10 += (int)num25;
					}
					uint num26;
					if (num10 != (int)num26)
					{
						while (num10 != (int)num26)
						{
						}
					}
					int[] array19 = this.x;
					uint num27;
					if (num27 != "{il2cpp array field local79->}")
					{
						num13 -= (int)num;
					}
					while (num14 != 0)
					{
					}
				}
				num += (uint)1;
				while (num <= num2)
				{
				}
				if (num2 != (uint)1)
				{
				}
			}
			throw new NullReferenceException();
		}

		// Token: 0x0600CD8C RID: 52620 RVA: 0x002F2400 File Offset: 0x002F0600
		[Token(Token = "0x600CD8C")]
		[Address(RVA = "0x196F1C0", Offset = "0x196DFC0", VA = "0x18196F1C0")]
		internal int inflate_trees_bits(int[] c, int[] bb, int[] tb, int[] hp, ZlibCodec z)
		{
			this.initWorkArea(19);
			int[] array = this.hn;
			int num = 0;
			array[0] = num;
			int[] array2 = this.v;
			int[] array3 = this.hn;
			int num2;
			if (num2 == -3 || num2 == -5 || "{il2cpp array field bb->}" == (ulong)0L)
			{
			}
			return num2;
		}

		// Token: 0x0600CD8D RID: 52621 RVA: 0x002F2454 File Offset: 0x002F0654
		[Token(Token = "0x600CD8D")]
		[Address(RVA = "0x196F310", Offset = "0x196E110", VA = "0x18196F310")]
		internal int inflate_trees_dynamic(int nl, int nd, int[] c, int[] bl, int[] bd, int[] tl, int[] td, int[] hp, ZlibCodec z)
		{
			this.initWorkArea(288);
			int[] array = this.hn;
			int num = 0;
			array[0] = num;
			int[] array2 = this.hn;
			int[] array3 = InfTree.cplens;
			int[] array4 = InfTree.cplext;
			int[] array5 = this.v;
			int num2;
			if (num2 == 0)
			{
				this.initWorkArea(288);
				int[] array6 = this.hn;
				int[] array7 = InfTree.cpdist;
				int[] array8 = InfTree.cpdext;
				int[] array9 = this.v;
				int num3;
				if (num3 == 0)
				{
				}
				if (num3 == -3 || num3 == -5 || num3 != -4)
				{
				}
				return num3;
			}
			if (num2 != -3)
			{
				while (num2 == -4)
				{
				}
			}
			throw new NullReferenceException();
		}

		// Token: 0x0600CD8E RID: 52622 RVA: 0x002F24F4 File Offset: 0x002F06F4
		[Token(Token = "0x600CD8E")]
		[Address(RVA = "0x196F620", Offset = "0x196E420", VA = "0x18196F620")]
		internal static int inflate_trees_fixed(int[] bl, int[] bd, int[][] tl, int[][] td, ZlibCodec z)
		{
			int[] array = InfTree.fixed_tl;
			if (array != 0)
			{
			}
			tl[0] = array;
			int[] array2 = InfTree.fixed_td;
			if (array2 != 0)
			{
			}
			int num = 0;
			td[0] = array2;
			return num;
		}

		// Token: 0x0600CD8F RID: 52623 RVA: 0x002F2530 File Offset: 0x002F0730
		[Token(Token = "0x600CD8F")]
		[Address(RVA = "0x196F7B0", Offset = "0x196E5B0", VA = "0x18196F7B0")]
		private void initWorkArea(int vsize)
		{
			if (this.cplens != (ulong)0L)
			{
				int[] array = this.v;
				if (array.Length < vsize)
				{
					int[] array2 = new int[vsize];
					this.v = array2;
				}
				int num = 0;
				Array.Clear(array, num, vsize);
				int[] array3 = this.c;
				int num2 = 0;
				Array.Clear(array3, num2, 16);
				int[] array4 = this.r;
				int num3 = 0;
				array4[0] = num3;
				this.r[0] = num3;
				this.r[1] = num3;
				int[] array5 = this.u;
				int num4 = 0;
				Array.Clear(array5, num4, 15);
				int[] array6 = this.x;
				int num5 = 0;
				Array.Clear(array6, num5, 16);
				return;
			}
			int[] array7 = new int[1];
			this.hn = array7;
			int[] array8 = new int[vsize];
			this.v = array8;
			int[] array9 = new int[16];
			this.c = array9;
			int[] array10 = new int[3];
			this.r = array10;
			int[] array11 = new int[15];
			this.u = array11;
			int[] array12 = new int[16];
			this.x = array12;
		}

		// Token: 0x0600CD90 RID: 52624 RVA: 0x002F2650 File Offset: 0x002F0850
		[Token(Token = "0x600CD90")]
		[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
		public InfTree()
		{
		}

		// Token: 0x0600CD91 RID: 52625 RVA: 0x002F2664 File Offset: 0x002F0864
		// Note: this type is marked as 'beforefieldinit'.
		[Token(Token = "0x600CD91")]
		[Address(RVA = "0x196E460", Offset = "0x196D260", VA = "0x18196E460")]
		static InfTree()
		{
			int[] array = new int[1536];
			RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.A474A0BEC4E2CE8491839502AE85F6EA8504C6BD).FieldHandle);
			InfTree.fixed_tl = array;
			int[] array2 = new int[96];
			RuntimeHelpers.InitializeArray(array2, fieldof(<PrivateImplementationDetails>.1B180C6E41F096D53222F5E8EF558B78182CA401).FieldHandle);
			InfTree.fixed_td = array2;
			int[] array3 = new int[31];
			RuntimeHelpers.InitializeArray(array3, fieldof(<PrivateImplementationDetails>.8ED8F61DAA454B49CD5059AE4486C59174324E9E).FieldHandle);
			InfTree.cplens = array3;
			int[] array4 = new int[31];
			RuntimeHelpers.InitializeArray(array4, fieldof(<PrivateImplementationDetails>.DACFCC5E985D9E113ABB74724C5D3CC4FDC4FB8A).FieldHandle);
			InfTree.cplext = array4;
			int[] array5 = new int[30];
			RuntimeHelpers.InitializeArray(array5, fieldof(<PrivateImplementationDetails>.D068832E6B13A623916709C1E0E25ADCBE7B455F).FieldHandle);
			InfTree.cpdist = array5;
			int[] array6 = new int[30];
			RuntimeHelpers.InitializeArray(array6, fieldof(<PrivateImplementationDetails>.79D521E6E3E55103005E9CC3FA43B3174FAF090F).FieldHandle);
			InfTree.cpdext = array6;
		}

		// Token: 0x040082F3 RID: 33523
		[Token(Token = "0x40082F3")]
		private const int MANY = 1440;

		// Token: 0x040082F4 RID: 33524
		[Token(Token = "0x40082F4")]
		private const int Z_OK = 0;

		// Token: 0x040082F5 RID: 33525
		[Token(Token = "0x40082F5")]
		private const int Z_STREAM_END = 1;

		// Token: 0x040082F6 RID: 33526
		[Token(Token = "0x40082F6")]
		private const int Z_NEED_DICT = 2;

		// Token: 0x040082F7 RID: 33527
		[Token(Token = "0x40082F7")]
		private const int Z_ERRNO = -1;

		// Token: 0x040082F8 RID: 33528
		[Token(Token = "0x40082F8")]
		private const int Z_STREAM_ERROR = -2;

		// Token: 0x040082F9 RID: 33529
		[Token(Token = "0x40082F9")]
		private const int Z_DATA_ERROR = -3;

		// Token: 0x040082FA RID: 33530
		[Token(Token = "0x40082FA")]
		private const int Z_MEM_ERROR = -4;

		// Token: 0x040082FB RID: 33531
		[Token(Token = "0x40082FB")]
		private const int Z_BUF_ERROR = -5;

		// Token: 0x040082FC RID: 33532
		[Token(Token = "0x40082FC")]
		private const int Z_VERSION_ERROR = -6;

		// Token: 0x040082FD RID: 33533
		[Token(Token = "0x40082FD")]
		internal const int fixed_bl = 9;

		// Token: 0x040082FE RID: 33534
		[Token(Token = "0x40082FE")]
		internal const int fixed_bd = 5;

		// Token: 0x040082FF RID: 33535
		[Token(Token = "0x40082FF")]
		internal static readonly int[] fixed_tl;

		// Token: 0x04008300 RID: 33536
		[Token(Token = "0x4008300")]
		internal static readonly int[] fixed_td;

		// Token: 0x04008301 RID: 33537
		[Token(Token = "0x4008301")]
		internal static readonly int[] cplens;

		// Token: 0x04008302 RID: 33538
		[Token(Token = "0x4008302")]
		internal static readonly int[] cplext;

		// Token: 0x04008303 RID: 33539
		[Token(Token = "0x4008303")]
		internal static readonly int[] cpdist;

		// Token: 0x04008304 RID: 33540
		[Token(Token = "0x4008304")]
		internal static readonly int[] cpdext;

		// Token: 0x04008305 RID: 33541
		[Token(Token = "0x4008305")]
		internal const int BMAX = 15;

		// Token: 0x04008306 RID: 33542
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4008306")]
		internal int[] hn;

		// Token: 0x04008307 RID: 33543
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4008307")]
		internal int[] v;

		// Token: 0x04008308 RID: 33544
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4008308")]
		internal int[] c;

		// Token: 0x04008309 RID: 33545
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4008309")]
		internal int[] r;

		// Token: 0x0400830A RID: 33546
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x400830A")]
		internal int[] u;

		// Token: 0x0400830B RID: 33547
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x400830B")]
		internal int[] x;
	}
}