public InstallHandler(BinaryReader stream, BackgroundWorkerEx worker)
        {
            worker?.ReportProgress(0, "Loading \"install\"...");

            stream.ReadBytes(2); // IN

            byte  b1       = stream.ReadByte();
            byte  b2       = stream.ReadByte();
            short numTags  = stream.ReadInt16BE();
            int   numFiles = stream.ReadInt32BE();

            int numMaskBytes = (numFiles + 7) / 8;

            List <InstallTag> Tags = new List <InstallTag>();

            for (int i = 0; i < numTags; i++)
            {
                InstallTag tag = new InstallTag()
                {
                    Name = stream.ReadCString(),
                    Type = stream.ReadInt16BE()
                };
                byte[] bits = stream.ReadBytes(numMaskBytes);

                for (int j = 0; j < numMaskBytes; j++)
                {
                    bits[j] = (byte)((bits[j] * 0x0202020202 & 0x010884422010) % 1023);
                }

                tag.Bits = new BitArray(bits);

                Tags.Add(tag);
            }

            for (int i = 0; i < numFiles; i++)
            {
                InstallEntry entry = new InstallEntry()
                {
                    Name = stream.ReadCString(),
                    MD5  = stream.Read <MD5Hash>(),
                    Size = stream.ReadInt32BE()
                };
                InstallData.Add(entry);

                entry.Tags = Tags.FindAll(tag => tag.Bits[i]);

                worker?.ReportProgress((int)((i + 1) / (float)numFiles * 100));
            }
        }
Example #2
0
        public InstallHandler(BinaryReader stream, BackgroundWorkerEx worker)
        {
            worker?.ReportProgress(0, "Loading \"install\"...");

            stream.ReadBytes(2); // IN

            byte b1 = stream.ReadByte();
            byte b2 = stream.ReadByte();
            short numTags = stream.ReadInt16BE();
            int numFiles = stream.ReadInt32BE();

            int numMaskBytes = (numFiles + 7) / 8;

            List<InstallTag> Tags = new List<InstallTag>();

            for (int i = 0; i < numTags; i++)
            {
                InstallTag tag = new InstallTag();
                tag.Name = stream.ReadCString();
                tag.Type = stream.ReadInt16BE();

                byte[] bits = stream.ReadBytes(numMaskBytes);

                for (int j = 0; j < numMaskBytes; j++)
                    bits[j] = (byte)((bits[j] * 0x0202020202 & 0x010884422010) % 1023);

                tag.Bits = new BitArray(bits);

                Tags.Add(tag);
            }

            for (int i = 0; i < numFiles; i++)
            {
                InstallEntry entry = new InstallEntry();
                entry.Name = stream.ReadCString();
                entry.MD5 = stream.ReadBytes(16);
                entry.Size = stream.ReadInt32BE();

                InstallData.Add(entry);

                entry.Tags = Tags.FindAll(tag => tag.Bits[i]);

                worker?.ReportProgress((int)((i + 1) / (float)numFiles * 100));
            }
        }