001    package net.minecraft.world.chunk.storage;
002    
003    public class NibbleArrayReader
004    {
005        public final byte[] data;
006        private final int depthBits;
007        private final int depthBitsPlusFour;
008    
009        public NibbleArrayReader(byte[] par1ArrayOfByte, int par2)
010        {
011            this.data = par1ArrayOfByte;
012            this.depthBits = par2;
013            this.depthBitsPlusFour = par2 + 4;
014        }
015    
016        public int get(int par1, int par2, int par3)
017        {
018            int var4 = par1 << this.depthBitsPlusFour | par3 << this.depthBits | par2;
019            int var5 = var4 >> 1;
020            int var6 = var4 & 1;
021            return var6 == 0 ? this.data[var5] & 15 : this.data[var5] >> 4 & 15;
022        }
023    }