示例#1
0
        public PCCObject(String path)
        {
            lzo = new SaltLZOHelper();
            fullname = path;
            BitConverter.IsLittleEndian = true;
            DebugOutput.PrintLn("Load file : " + path);
            pccFileName = Path.GetFullPath(path);
            MemoryTributary tempStream = new MemoryTributary();
            if (!File.Exists(pccFileName))
                throw new FileNotFoundException("PCC file not found");
            using (FileStream fs = new FileStream(pccFileName, FileMode.Open, FileAccess.Read))
            {
                FileInfo tempInfo = new FileInfo(pccFileName);
                tempStream.WriteFromStream(fs, tempInfo.Length);
                if (tempStream.Length != tempInfo.Length)
                {
                    throw new FileLoadException("File not fully read in. Try again later");
                }
            }

            tempStream.Seek(12, SeekOrigin.Begin);
            int tempNameSize = tempStream.ReadValueS32();
            tempStream.Seek(64 + tempNameSize, SeekOrigin.Begin);
            int tempGenerator = tempStream.ReadValueS32();
            tempStream.Seek(36 + tempGenerator * 12, SeekOrigin.Current);
            int tempPos = (int)tempStream.Position;
            NumChunks = tempStream.ReadValueS32();
            tempStream.Seek(0, SeekOrigin.Begin);
            header = tempStream.ReadBytes(tempPos);
            tempStream.Seek(0, SeekOrigin.Begin);

            if (magic != ZBlock.magic && magic.Swap() != ZBlock.magic)
            {
                DebugOutput.PrintLn("Magic number incorrect: " + magic);
                throw new FormatException("This is not a pcc file. The magic number is incorrect.");
            }

            if (bCompressed)
            {
                DebugOutput.PrintLn("File is compressed");
                {
                    listsStream = lzo.DecompressPCC(tempStream, this);

                    //Correct the header
                    bCompressed = false;
                    listsStream.Seek(0, SeekOrigin.Begin);
                    listsStream.WriteBytes(header);

                    //Set numblocks to zero
                    listsStream.WriteValueS32(0);
                    //Write the magic number
                    listsStream.WriteValueS32(1026281201);
                    //Write 8 bytes of 0
                    listsStream.WriteValueS32(0);
                    listsStream.WriteValueS32(0);
                }
            }
            else
            {
                DebugOutput.PrintLn("File already decompressed. Reading decompressed data.");
                listsStream = tempStream;
            }

            ReadNames(listsStream);
            ReadImports(listsStream);
            ReadExports(listsStream);
            LoadExports();
        }