public byte[] GetPng(string itemName)
        {
            if (!spritePointerHeader.ContainsKey(itemName))
            {
                return(null);
            }
            ByteBoundary bb       = spritePointerHeader[itemName];
            ulong        bytesReq = bb.end - bb.start;
            List <byte>  readlist = new List <byte>();

            using (BinaryReader b = new BinaryReader(File.Open(filePathSprites, FileMode.Open)))
            {
                b.BaseStream.Seek((long)bb.start, SeekOrigin.Begin);
                readlist.AddRange(b.ReadBytes((int)bytesReq));
            }
            return(readlist.ToArray());
        }
        public byte[] GetPng(ushort itemId, ushort count)
        {
            if (spritePointerTable == null)
            {
                throw new Exception("Not pointer table loaded.");
            }
            string sItemdId  = itemId.ToString("X");
            string bodyVal   = (count & 0xF).ToString();
            string fabricVal = (((count & 0xFF) - (count & 0xF)) / 32u).ToString();
            string fileToGet = string.Empty;
            // try full
            string check  = string.Format("{0}_{1}_{2}", sItemdId, bodyVal, fabricVal);
            string check2 = string.Format("{0}_{1}", sItemdId, bodyVal);

            if (spritePointerTable.ContainsKey(check))
            {
                fileToGet = spritePointerTable[check];
            }
            else if (spritePointerTable.ContainsKey(check2))
            {
                fileToGet = spritePointerTable[check2];
            }
            else if (spritePointerTable.ContainsKey(sItemdId))
            {
                fileToGet = spritePointerTable[sItemdId];
            }
            else
            {
                return(null);
            }

            ByteBoundary bb       = spritePointerHeader[fileToGet];
            ulong        bytesReq = bb.end - bb.start;
            List <byte>  readlist = new List <byte>();

            using (BinaryReader b = new BinaryReader(File.Open(filePathSprites, FileMode.Open)))
            {
                b.BaseStream.Seek((long)bb.start, SeekOrigin.Begin);
                readlist.AddRange(b.ReadBytes((int)bytesReq));
            }

            return(readlist.ToArray());
        }