131 lines
3.4 KiB
C#
131 lines
3.4 KiB
C#
using System.Runtime.InteropServices;
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using Flawless.Core.Modal;
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namespace Flawless.Core.BinaryDataFormat;
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/* Depot File System Format Design - Version 1
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*
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* For best accessing performance, consider use checksum as filename. Binary info did not contains file name mapping, so
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* use another file to get the file map of this depot. The structure to describe a map has already defined below.
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*
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* Consider of compability when depot format was updated, we have configure a lots of area as empty.
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*
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* Notice that we assuming that all data are represent as LITTLE ENDIAN.
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*
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* Padding with 4 byte width, so:
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*
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* ------------------------------------------
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* 0 : Magic Number
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* 1 : ~
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* 2 : ~
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* 3 : ~
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* ------------------------------------------
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* 4 : MD5 Checksum (Header + Data)
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* 5 : ~
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* 6 : ~
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* 7 : ~
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* ------------------------------------------
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* 8 : ~
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* 9 : ~
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* 10 : ~
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* 11 : ~
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* ------------------------------------------
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* 12 : ~
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* 13 : ~
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* 14 : ~
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* 15 : ~
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* ------------------------------------------
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* 16 : ~
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* 17 : ~
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* 18 : ~
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* 19 : ~
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* ------------------------------------------
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* 20 : Version Code
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* 21 : Checksum Confuser
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* 22 : (Unused)
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* 23 : (Unused)
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* ------------------------------------------
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* 24 : Depot Generate Time
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* 25 : ~
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* 26 : ~
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* 27 : ~
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* ------------------------------------------
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* 28 : ~
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* 29 : ~
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* 30 : ~
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* 31 : ~
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* ------------------------------------------
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* 32 : Compressing Algorithm Type (CompressType)
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* 33 : (Preserve)
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* 34 : (Preserve)
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* 35 : (Preserve)
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* ------------------------------------------
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* 36 : (Preserve)
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* 37 : (Preserve)
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* 38 : (Preserve)
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* 39 : (Preserve)
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* ------------------------------------------
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* 40 : Payload Size
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* 41 : ~
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* 42 : ~
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* 43 : ~
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* ------------------------------------------
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* 44 : ~
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* 45 : ~
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* 46 : ~
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* 47 : ~
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* ------------------------------------------
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* 48 : (Unused)
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* 49 : (Unused)
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* 50 : (Unused)
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* 51 : (Unused)
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* ------------------------------------------
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* 52 : (Unused)
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* 53 : (Unused)
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* 54 : (Unused)
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* 55 : (Unused)
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* ------------------------------------------
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* 56 : (Unused)
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* 57 : (Unused)
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* 58 : (Unused)
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* 59 : (Unused)
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* ------------------------------------------
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* 60 : (Unused)
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* 61 : (Unused)
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* 62 : (Unused)
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* 63 : (Unused)
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* ------------------------------------------
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* PAYLOAD
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*/
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[Serializable, StructLayout(LayoutKind.Explicit, CharSet = CharSet.Ansi, Pack = 4, Size = 64)]
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public struct StandardDepotHeaderV1
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{
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public const uint FormatMagicNumber = 0xAAAAAAAAu;
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[FieldOffset(0)] public uint MagicNumber;
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[FieldOffset(4)] public ulong Md5ChecksumLower;
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[FieldOffset(12)] public ulong Md5ChecksumUpper;
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[FieldOffset(20)] public byte Version;
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[FieldOffset(21)] public byte Md5Confuser;
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[FieldOffset(22)] public ushort PayloadUnit;
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[FieldOffset(24)] public ulong GenerateTime;
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[FieldOffset(32)] public byte CompressType;
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[FieldOffset(40)] public ulong PayloadSize;
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}
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[Serializable]
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public struct StandardDepotMapV1
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{
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public uint FileCount;
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public DepotFileInfo[] Files;
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} |