mirror of
https://github.com/SabreTools/BinaryObjectScanner.git
synced 2026-02-15 21:35:34 +00:00
972 lines
30 KiB
C#
972 lines
30 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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namespace BinaryObjectScanner.Wrappers
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{
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public class GCF : WrapperBase<SabreTools.Models.GCF.File>
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{
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#region Descriptive Properties
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/// <inheritdoc/>
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public override string DescriptionString => "Half-Life Game Cache File (GCF)";
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#endregion
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#region Pass-Through Properties
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#region Header
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/// <inheritdoc cref="Models.GCF.Header.Dummy0"/>
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#if NET48
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public uint Dummy0 => _model.Header.Dummy0;
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#else
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public uint? Dummy0 => _model.Header?.Dummy0;
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#endif
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/// <inheritdoc cref="Models.GCF.Header.MajorVersion"/>
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#if NET48
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public uint MajorVersion => _model.Header.MajorVersion;
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#else
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public uint? MajorVersion => _model.Header?.MajorVersion;
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#endif
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/// <inheritdoc cref="Models.GCF.Header.MinorVersion"/>
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#if NET48
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public uint MinorVersion => _model.Header.MinorVersion;
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#else
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public uint? MinorVersion => _model.Header?.MinorVersion;
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#endif
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/// <inheritdoc cref="Models.GCF.Header.CacheID"/>
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#if NET48
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public uint CacheID => _model.Header.CacheID;
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#else
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public uint? CacheID => _model.Header?.CacheID;
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#endif
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/// <inheritdoc cref="Models.GCF.Header.LastVersionPlayed"/>
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#if NET48
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public uint LastVersionPlayed => _model.Header.LastVersionPlayed;
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#else
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public uint? LastVersionPlayed => _model.Header?.LastVersionPlayed;
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#endif
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/// <inheritdoc cref="Models.GCF.Header.Dummy1"/>
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#if NET48
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public uint Dummy1 => _model.Header.Dummy1;
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#else
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public uint? Dummy1 => _model.Header?.Dummy1;
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#endif
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/// <inheritdoc cref="Models.GCF.Header.Dummy2"/>
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#if NET48
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public uint Dummy2 => _model.Header.Dummy2;
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#else
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public uint? Dummy2 => _model.Header?.Dummy2;
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#endif
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/// <inheritdoc cref="Models.GCF.Header.FileSize"/>
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#if NET48
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public uint FileSize => _model.Header.FileSize;
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#else
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public uint? FileSize => _model.Header?.FileSize;
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#endif
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/// <inheritdoc cref="Models.GCF.Header.BlockSize"/>
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#if NET48
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public uint BlockSize => _model.Header.BlockSize;
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#else
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public uint? BlockSize => _model.Header?.BlockSize;
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#endif
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/// <inheritdoc cref="Models.GCF.Header.BlockCount"/>
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#if NET48
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public uint BlockCount => _model.Header.BlockCount;
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#else
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public uint? BlockCount => _model.Header?.BlockCount;
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#endif
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/// <inheritdoc cref="Models.GCF.Header.Dummy3"/>
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#if NET48
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public uint Dummy3 => _model.Header.Dummy3;
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#else
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public uint? Dummy3 => _model.Header?.Dummy3;
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#endif
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#endregion
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#region Block Entry Header
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/// <inheritdoc cref="Models.GCF.BlockEntryHeader.BlockCount"/>
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#if NET48
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public uint BEH_BlockCount => _model.BlockEntryHeader.BlockCount;
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#else
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public uint? BEH_BlockCount => _model.BlockEntryHeader?.BlockCount;
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#endif
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/// <inheritdoc cref="Models.GCF.BlockEntryHeader.BlocksUsed"/>
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#if NET48
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public uint BEH_BlocksUsed => _model.BlockEntryHeader.BlocksUsed;
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#else
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public uint? BEH_BlocksUsed => _model.BlockEntryHeader?.BlocksUsed;
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#endif
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/// <inheritdoc cref="Models.GCF.BlockEntryHeader.Dummy0"/>
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#if NET48
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public uint BEH_Dummy0 => _model.BlockEntryHeader.Dummy0;
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#else
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public uint? BEH_Dummy0 => _model.BlockEntryHeader?.Dummy0;
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#endif
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/// <inheritdoc cref="Models.GCF.BlockEntryHeader.Dummy1"/>
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#if NET48
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public uint BEH_Dummy1 => _model.BlockEntryHeader.Dummy1;
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#else
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public uint? BEH_Dummy1 => _model.BlockEntryHeader?.Dummy1;
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#endif
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/// <inheritdoc cref="Models.GCF.BlockEntryHeader.Dummy2"/>
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#if NET48
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public uint BEH_Dummy2 => _model.BlockEntryHeader.Dummy2;
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#else
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public uint? BEH_Dummy2 => _model.BlockEntryHeader?.Dummy2;
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#endif
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/// <inheritdoc cref="Models.GCF.BlockEntryHeader.Dummy3"/>
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#if NET48
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public uint BEH_Dummy3 => _model.BlockEntryHeader.Dummy3;
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#else
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public uint? BEH_Dummy3 => _model.BlockEntryHeader?.Dummy3;
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#endif
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/// <inheritdoc cref="Models.GCF.BlockEntryHeader.Dummy4"/>
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#if NET48
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public uint BEH_Dummy4 => _model.BlockEntryHeader.Dummy4;
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#else
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public uint? BEH_Dummy4 => _model.BlockEntryHeader?.Dummy4;
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#endif
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/// <inheritdoc cref="Models.GCF.BlockEntryHeader.Checksum"/>
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#if NET48
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public uint BEH_Checksum => _model.BlockEntryHeader.Checksum;
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#else
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public uint? BEH_Checksum => _model.BlockEntryHeader?.Checksum;
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#endif
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#endregion
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#region Block Entries
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/// <inheritdoc cref="Models.GCF.File.BlockEntries"/>
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#if NET48
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public SabreTools.Models.GCF.BlockEntry[] BlockEntries => _model.BlockEntries;
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#else
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public SabreTools.Models.GCF.BlockEntry?[]? BlockEntries => _model.BlockEntries;
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#endif
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#endregion
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#region Fragmentation Map Header
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/// <inheritdoc cref="Models.GCF.FragmentationMapHeader.BlockCount"/>
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#if NET48
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public uint FMH_BlockCount => _model.FragmentationMapHeader.BlockCount;
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#else
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public uint? FMH_BlockCount => _model.FragmentationMapHeader?.BlockCount;
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#endif
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/// <inheritdoc cref="Models.GCF.FragmentationMapHeader.FirstUnusedEntry"/>
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#if NET48
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public uint FMH_FirstUnusedEntry => _model.FragmentationMapHeader.FirstUnusedEntry;
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#else
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public uint? FMH_FirstUnusedEntry => _model.FragmentationMapHeader?.FirstUnusedEntry;
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#endif
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/// <inheritdoc cref="Models.GCF.FragmentationMapHeader.Terminator"/>
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#if NET48
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public uint FMH_Terminator => _model.FragmentationMapHeader.Terminator;
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#else
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public uint? FMH_Terminator => _model.FragmentationMapHeader?.Terminator;
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#endif
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/// <inheritdoc cref="Models.GCF.FragmentationMapHeader.Checksum"/>
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#if NET48
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public uint FMH_Checksum => _model.FragmentationMapHeader.Checksum;
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#else
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public uint? FMH_Checksum => _model.FragmentationMapHeader?.Checksum;
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#endif
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#endregion
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#region Fragmentation Maps
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/// <inheritdoc cref="Models.GCF.File.FragmentationMaps"/>
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#if NET48
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public SabreTools.Models.GCF.FragmentationMap[] FragmentationMaps => _model.FragmentationMaps;
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#else
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public SabreTools.Models.GCF.FragmentationMap?[]? FragmentationMaps => _model.FragmentationMaps;
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#endif
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#endregion
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#region Block Entry Map Header
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/// <inheritdoc cref="Models.GCF.BlockEntryMapHeader.BlockCount"/>
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public uint? BEMH_BlockCount => _model.BlockEntryMapHeader?.BlockCount;
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/// <inheritdoc cref="Models.GCF.BlockEntryMapHeader.FirstBlockEntryIndex"/>
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public uint? BEMH_FirstBlockEntryIndex => _model.BlockEntryMapHeader?.FirstBlockEntryIndex;
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/// <inheritdoc cref="Models.GCF.BlockEntryMapHeader.LastBlockEntryIndex"/>
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public uint? BEMH_LastBlockEntryIndex => _model.BlockEntryMapHeader?.LastBlockEntryIndex;
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/// <inheritdoc cref="Models.GCF.BlockEntryMapHeader.Dummy0"/>
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public uint? BEMH_Dummy0 => _model.BlockEntryMapHeader?.Dummy0;
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/// <inheritdoc cref="Models.GCF.BlockEntryMapHeader.Checksum"/>
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public uint? BEMH_Checksum => _model.BlockEntryMapHeader?.Checksum;
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#endregion
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#region Block Entry Maps
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/// <inheritdoc cref="Models.GCF.File.BlockEntryMaps"/>
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#if NET48
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public SabreTools.Models.GCF.BlockEntryMap[] BlockEntryMaps => _model.BlockEntryMaps;
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#else
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public SabreTools.Models.GCF.BlockEntryMap?[]? BlockEntryMaps => _model.BlockEntryMaps;
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#endif
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#endregion
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#region Directory Header
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.Dummy0"/>
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#if NET48
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public uint DH_Dummy0 => _model.DirectoryHeader.Dummy0;
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#else
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public uint? DH_Dummy0 => _model.DirectoryHeader?.Dummy0;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.CacheID"/>
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#if NET48
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public uint DH_CacheID => _model.DirectoryHeader.CacheID;
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#else
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public uint? DH_CacheID => _model.DirectoryHeader?.CacheID;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.LastVersionPlayed"/>
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#if NET48
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public uint DH_LastVersionPlayed => _model.DirectoryHeader.LastVersionPlayed;
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#else
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public uint? DH_LastVersionPlayed => _model.DirectoryHeader?.LastVersionPlayed;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.ItemCount"/>
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#if NET48
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public uint DH_ItemCount => _model.DirectoryHeader.ItemCount;
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#else
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public uint? DH_ItemCount => _model.DirectoryHeader?.ItemCount;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.FileCount"/>
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#if NET48
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public uint DH_FileCount => _model.DirectoryHeader.FileCount;
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#else
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public uint? DH_FileCount => _model.DirectoryHeader?.FileCount;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.Dummy1"/>
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#if NET48
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public uint DH_Dummy1 => _model.DirectoryHeader.Dummy1;
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#else
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public uint? DH_Dummy1 => _model.DirectoryHeader?.Dummy1;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.DirectorySize"/>
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#if NET48
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public uint DH_DirectorySize => _model.DirectoryHeader.DirectorySize;
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#else
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public uint? DH_DirectorySize => _model.DirectoryHeader?.DirectorySize;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.NameSize"/>
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#if NET48
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public uint DH_NameSize => _model.DirectoryHeader.NameSize;
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#else
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public uint? DH_NameSize => _model.DirectoryHeader?.NameSize;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.Info1Count"/>
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#if NET48
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public uint DH_Info1Count => _model.DirectoryHeader.Info1Count;
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#else
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public uint? DH_Info1Count => _model.DirectoryHeader?.Info1Count;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.CopyCount"/>
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#if NET48
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public uint DH_CopyCount => _model.DirectoryHeader.CopyCount;
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#else
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public uint? DH_CopyCount => _model.DirectoryHeader?.CopyCount;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.LocalCount"/>
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#if NET48
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public uint DH_LocalCount => _model.DirectoryHeader.LocalCount;
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#else
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public uint? DH_LocalCount => _model.DirectoryHeader?.LocalCount;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.Dummy2"/>
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#if NET48
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public uint DH_Dummy2 => _model.DirectoryHeader.Dummy2;
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#else
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public uint? DH_Dummy2 => _model.DirectoryHeader?.Dummy2;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.Dummy3"/>
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#if NET48
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public uint DH_Dummy3 => _model.DirectoryHeader.Dummy3;
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#else
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public uint? DH_Dummy3 => _model.DirectoryHeader?.Dummy3;
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#endif
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/// <inheritdoc cref="Models.GCF.DirectoryHeader.Checksum"/>
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#if NET48
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public uint DH_Checksum => _model.DirectoryHeader.Checksum;
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#else
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public uint? DH_Checksum => _model.DirectoryHeader?.Checksum;
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#endif
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#endregion
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#region Directory Entries
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/// <inheritdoc cref="Models.GCF.File.DirectoryEntries"/>
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#if NET48
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public SabreTools.Models.GCF.DirectoryEntry[] DirectoryEntries => _model.DirectoryEntries;
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#else
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public SabreTools.Models.GCF.DirectoryEntry?[]? DirectoryEntries => _model.DirectoryEntries;
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#endif
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#endregion
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#region Directory Names
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/// <inheritdoc cref="Models.GCF.File.DirectoryNames"/>
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#if NET48
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public Dictionary<long, string> DirectoryNames => _model.DirectoryNames;
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#else
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public Dictionary<long, string?>? DirectoryNames => _model.DirectoryNames;
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#endif
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#endregion
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#region Directory Info 1 Entries
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/// <inheritdoc cref="Models.GCF.File.DirectoryInfo1Entries"/>
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#if NET48
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public SabreTools.Models.GCF.DirectoryInfo1Entry[] DirectoryInfo1Entries => _model.DirectoryInfo1Entries;
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#else
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public SabreTools.Models.GCF.DirectoryInfo1Entry?[]? DirectoryInfo1Entries => _model.DirectoryInfo1Entries;
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#endif
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#endregion
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#region Directory Info 2 Entries
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/// <inheritdoc cref="Models.GCF.File.DirectoryInfo2Entries"/>
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#if NET48
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public SabreTools.Models.GCF.DirectoryInfo2Entry[] DirectoryInfo2Entries => _model.DirectoryInfo2Entries;
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#else
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public SabreTools.Models.GCF.DirectoryInfo2Entry?[]? DirectoryInfo2Entries => _model.DirectoryInfo2Entries;
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#endif
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#endregion
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#region Directory Copy Entries
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/// <inheritdoc cref="Models.GCF.File.DirectoryCopyEntries"/>
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#if NET48
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public SabreTools.Models.GCF.DirectoryCopyEntry[] DirectoryCopyEntries => _model.DirectoryCopyEntries;
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#else
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public SabreTools.Models.GCF.DirectoryCopyEntry?[]? DirectoryCopyEntries => _model.DirectoryCopyEntries;
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#endif
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#endregion
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#region Directory Local Entries
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/// <inheritdoc cref="Models.GCF.File.DirectoryLocalEntries"/>
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#if NET48
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public SabreTools.Models.GCF.DirectoryLocalEntry[] DirectoryLocalEntries => _model.DirectoryLocalEntries;
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#else
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public SabreTools.Models.GCF.DirectoryLocalEntry?[]? DirectoryLocalEntries => _model.DirectoryLocalEntries;
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#endif
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#endregion
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#region Directory Map Header
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/// <inheritdoc cref="Models.GCF.DirectoryMapHeader.Dummy0"/>
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public uint? DMH_Dummy0 => _model.DirectoryMapHeader?.Dummy0;
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/// <inheritdoc cref="Models.GCF.DirectoryMapHeader.Dummy1"/>
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public uint? DMH_Dummy1 => _model.DirectoryMapHeader?.Dummy1;
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#endregion
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#region Directory Map Entries
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/// <inheritdoc cref="Models.GCF.File.DirectoryMapEntries"/>
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#if NET48
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public SabreTools.Models.GCF.DirectoryMapEntry[] DirectoryMapEntries => _model.DirectoryMapEntries;
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#else
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public SabreTools.Models.GCF.DirectoryMapEntry?[]? DirectoryMapEntries => _model.DirectoryMapEntries;
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#endif
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#endregion
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#region Checksum Header
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/// <inheritdoc cref="Models.GCF.ChecksumHeader.Dummy0"/>
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#if NET48
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public uint CH_Dummy0 => _model.ChecksumHeader.Dummy0;
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#else
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public uint? CH_Dummy0 => _model.ChecksumHeader?.Dummy0;
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#endif
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/// <inheritdoc cref="Models.GCF.ChecksumHeader.ChecksumSize"/>
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#if NET48
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public uint CH_ChecksumSize => _model.ChecksumHeader.ChecksumSize;
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#else
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public uint? CH_ChecksumSize => _model.ChecksumHeader?.ChecksumSize;
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#endif
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#endregion
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#region Checksum Map Header
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/// <inheritdoc cref="Models.GCF.ChecksumMapHeader.Dummy0"/>
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#if NET48
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public uint CMH_Dummy0 => _model.ChecksumMapHeader.Dummy0;
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#else
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public uint? CMH_Dummy0 => _model.ChecksumMapHeader?.Dummy0;
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#endif
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/// <inheritdoc cref="Models.GCF.ChecksumMapHeader.Dummy1"/>
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#if NET48
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public uint CMH_Dummy1 => _model.ChecksumMapHeader.Dummy1;
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#else
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public uint? CMH_Dummy1 => _model.ChecksumMapHeader?.Dummy1;
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#endif
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/// <inheritdoc cref="Models.GCF.ChecksumMapHeader.ItemCount"/>
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#if NET48
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public uint CMH_ItemCount => _model.ChecksumMapHeader.ItemCount;
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#else
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public uint? CMH_ItemCount => _model.ChecksumMapHeader?.ItemCount;
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#endif
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/// <inheritdoc cref="Models.GCF.ChecksumMapHeader.ChecksumCount"/>
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#if NET48
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public uint CMH_ChecksumCount => _model.ChecksumMapHeader.ChecksumCount;
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#else
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public uint? CMH_ChecksumCount => _model.ChecksumMapHeader?.ChecksumCount;
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#endif
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#endregion
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#region Checksum Map Entries
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/// <inheritdoc cref="Models.GCF.File.ChecksumMapEntries"/>
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#if NET48
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public SabreTools.Models.GCF.ChecksumMapEntry[] ChecksumMapEntries => _model.ChecksumMapEntries;
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#else
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public SabreTools.Models.GCF.ChecksumMapEntry?[]? ChecksumMapEntries => _model.ChecksumMapEntries;
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#endif
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#endregion
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#region Checksum Entries
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/// <inheritdoc cref="Models.GCF.File.ChecksumEntries"/>
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#if NET48
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public SabreTools.Models.GCF.ChecksumEntry[] ChecksumEntries => _model.ChecksumEntries;
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#else
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public SabreTools.Models.GCF.ChecksumEntry?[]? ChecksumEntries => _model.ChecksumEntries;
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#endif
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#endregion
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#region Data Block Header
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/// <inheritdoc cref="Models.GCF.DataBlockHeader.LastVersionPlayed"/>
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#if NET48
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public uint DBH_LastVersionPlayed => _model.DataBlockHeader.LastVersionPlayed;
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#else
|
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public uint? DBH_LastVersionPlayed => _model.DataBlockHeader?.LastVersionPlayed;
|
|
#endif
|
|
|
|
/// <inheritdoc cref="Models.GCF.DataBlockHeader.BlockCount"/>
|
|
#if NET48
|
|
public uint DBH_BlockCount => _model.DataBlockHeader.BlockCount;
|
|
#else
|
|
public uint? DBH_BlockCount => _model.DataBlockHeader?.BlockCount;
|
|
#endif
|
|
|
|
/// <inheritdoc cref="Models.GCF.DataBlockHeader.BlockSize"/>
|
|
#if NET48
|
|
public uint DBH_BlockSize => _model.DataBlockHeader.BlockSize;
|
|
#else
|
|
public uint? DBH_BlockSize => _model.DataBlockHeader?.BlockSize;
|
|
#endif
|
|
|
|
/// <inheritdoc cref="Models.GCF.DataBlockHeader.FirstBlockOffset"/>
|
|
#if NET48
|
|
public uint DBH_FirstBlockOffset => _model.DataBlockHeader.FirstBlockOffset;
|
|
#else
|
|
public uint? DBH_FirstBlockOffset => _model.DataBlockHeader?.FirstBlockOffset;
|
|
#endif
|
|
|
|
/// <inheritdoc cref="Models.GCF.DataBlockHeader.BlocksUsed"/>
|
|
#if NET48
|
|
public uint DBH_BlocksUsed => _model.DataBlockHeader.BlocksUsed;
|
|
#else
|
|
public uint? DBH_BlocksUsed => _model.DataBlockHeader?.BlocksUsed;
|
|
#endif
|
|
|
|
/// <inheritdoc cref="Models.GCF.DataBlockHeader.Checksum"/>
|
|
#if NET48
|
|
public uint DBH_Checksum => _model.DataBlockHeader.Checksum;
|
|
#else
|
|
public uint? DBH_Checksum => _model.DataBlockHeader?.Checksum;
|
|
#endif
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region Extension Properties
|
|
|
|
/// <summary>
|
|
/// Set of all files and their information
|
|
/// </summary>
|
|
#if NET48
|
|
public FileInfo[] Files
|
|
#else
|
|
public FileInfo[]? Files
|
|
#endif
|
|
{
|
|
get
|
|
{
|
|
// Use the cached value if we have it
|
|
if (_files != null)
|
|
return _files;
|
|
|
|
// If we don't have a required property
|
|
if (DirectoryEntries == null || DirectoryMapEntries == null || BlockEntries == null)
|
|
return null;
|
|
|
|
// Otherwise, scan and build the files
|
|
var files = new List<FileInfo>();
|
|
for (int i = 0; i < DirectoryEntries.Length; i++)
|
|
{
|
|
// Get the directory entry
|
|
var directoryEntry = DirectoryEntries[i];
|
|
var directoryMapEntry = DirectoryMapEntries[i];
|
|
if (directoryEntry == null || directoryMapEntry == null)
|
|
continue;
|
|
|
|
// If we have a directory, skip for now
|
|
if (!directoryEntry.DirectoryFlags.HasFlag(SabreTools.Models.GCF.HL_GCF_FLAG.HL_GCF_FLAG_FILE))
|
|
continue;
|
|
|
|
// Otherwise, start building the file info
|
|
var fileInfo = new FileInfo()
|
|
{
|
|
Size = directoryEntry.ItemSize,
|
|
Encrypted = directoryEntry.DirectoryFlags.HasFlag(SabreTools.Models.GCF.HL_GCF_FLAG.HL_GCF_FLAG_ENCRYPTED),
|
|
};
|
|
var pathParts = new List<string> { directoryEntry.Name ?? string.Empty };
|
|
#if NET48
|
|
var blockEntries = new List<SabreTools.Models.GCF.BlockEntry>();
|
|
#else
|
|
var blockEntries = new List<SabreTools.Models.GCF.BlockEntry?>();
|
|
#endif
|
|
|
|
// Traverse the parent tree
|
|
uint index = directoryEntry.ParentIndex;
|
|
while (index != 0xFFFFFFFF)
|
|
{
|
|
var parentDirectoryEntry = DirectoryEntries[index];
|
|
if (parentDirectoryEntry == null)
|
|
break;
|
|
|
|
pathParts.Add(parentDirectoryEntry.Name ?? string.Empty);
|
|
index = parentDirectoryEntry.ParentIndex;
|
|
}
|
|
|
|
// Traverse the block entries
|
|
index = directoryMapEntry.FirstBlockIndex;
|
|
while (index != DBH_BlockCount)
|
|
{
|
|
var nextBlock = BlockEntries[index];
|
|
if (nextBlock == null)
|
|
break;
|
|
|
|
blockEntries.Add(nextBlock);
|
|
index = nextBlock.NextBlockEntryIndex;
|
|
}
|
|
|
|
// Reverse the path parts because of traversal
|
|
pathParts.Reverse();
|
|
|
|
// Build the remaining file info
|
|
fileInfo.Path = Path.Combine(pathParts.ToArray());
|
|
fileInfo.BlockEntries = blockEntries.ToArray();
|
|
|
|
// Add the file info and continue
|
|
files.Add(fileInfo);
|
|
}
|
|
|
|
// Set and return the file infos
|
|
_files = files.ToArray();
|
|
return _files;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Set of all data block offsets
|
|
/// </summary>
|
|
#if NET48
|
|
public long[] DataBlockOffsets
|
|
#else
|
|
public long[]? DataBlockOffsets
|
|
#endif
|
|
{
|
|
get
|
|
{
|
|
// Use the cached value if we have it
|
|
if (_dataBlockOffsets != null)
|
|
return _dataBlockOffsets;
|
|
|
|
#if NET6_0_OR_GREATER
|
|
// If we don't have a block count, offset, or size
|
|
if (DBH_BlockCount == null || DBH_FirstBlockOffset == null || DBH_BlockSize == null)
|
|
return null;
|
|
#endif
|
|
|
|
// Otherwise, build the data block set
|
|
#if NET48
|
|
_dataBlockOffsets = new long[DBH_BlockCount];
|
|
#else
|
|
_dataBlockOffsets = new long[DBH_BlockCount.Value];
|
|
#endif
|
|
for (int i = 0; i < DBH_BlockCount; i++)
|
|
{
|
|
#if NET48
|
|
long dataBlockOffset = DBH_FirstBlockOffset + (i * DBH_BlockSize);
|
|
#else
|
|
long dataBlockOffset = DBH_FirstBlockOffset.Value + (i * DBH_BlockSize.Value);
|
|
#endif
|
|
_dataBlockOffsets[i] = dataBlockOffset;
|
|
}
|
|
|
|
// Return the set of data blocks
|
|
return _dataBlockOffsets;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Instance Variables
|
|
|
|
/// <summary>
|
|
/// Set of all files and their information
|
|
/// </summary>
|
|
#if NET48
|
|
private FileInfo[] _files = null;
|
|
#else
|
|
private FileInfo[]? _files = null;
|
|
#endif
|
|
|
|
/// <summary>
|
|
/// Set of all data block offsets
|
|
/// </summary>
|
|
#if NET48
|
|
private long[] _dataBlockOffsets = null;
|
|
#else
|
|
private long[]? _dataBlockOffsets = null;
|
|
#endif
|
|
|
|
#endregion
|
|
|
|
#region Constructors
|
|
|
|
/// <inheritdoc/>
|
|
#if NET48
|
|
public GCF(SabreTools.Models.GCF.File model, byte[] data, int offset)
|
|
#else
|
|
public GCF(SabreTools.Models.GCF.File? model, byte[]? data, int offset)
|
|
#endif
|
|
: base(model, data, offset)
|
|
{
|
|
// All logic is handled by the base class
|
|
}
|
|
|
|
/// <inheritdoc/>
|
|
#if NET48
|
|
public GCF(SabreTools.Models.GCF.File model, Stream data)
|
|
#else
|
|
public GCF(SabreTools.Models.GCF.File? model, Stream? data)
|
|
#endif
|
|
: base(model, data)
|
|
{
|
|
// All logic is handled by the base class
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create an GCF from a byte array and offset
|
|
/// </summary>
|
|
/// <param name="data">Byte array representing the GCF</param>
|
|
/// <param name="offset">Offset within the array to parse</param>
|
|
/// <returns>An GCF wrapper on success, null on failure</returns>
|
|
#if NET48
|
|
public static GCF Create(byte[] data, int offset)
|
|
#else
|
|
public static GCF? Create(byte[]? data, int offset)
|
|
#endif
|
|
{
|
|
// If the data is invalid
|
|
if (data == null)
|
|
return null;
|
|
|
|
// If the offset is out of bounds
|
|
if (offset < 0 || offset >= data.Length)
|
|
return null;
|
|
|
|
// Create a memory stream and use that
|
|
MemoryStream dataStream = new MemoryStream(data, offset, data.Length - offset);
|
|
return Create(dataStream);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a GCF from a Stream
|
|
/// </summary>
|
|
/// <param name="data">Stream representing the GCF</param>
|
|
/// <returns>An GCF wrapper on success, null on failure</returns>
|
|
#if NET48
|
|
public static GCF Create(Stream data)
|
|
#else
|
|
public static GCF? Create(Stream? data)
|
|
#endif
|
|
{
|
|
// If the data is invalid
|
|
if (data == null || data.Length == 0 || !data.CanSeek || !data.CanRead)
|
|
return null;
|
|
|
|
var file = new SabreTools.Serialization.Streams.GCF().Deserialize(data);
|
|
if (file == null)
|
|
return null;
|
|
|
|
try
|
|
{
|
|
return new GCF(file, data);
|
|
}
|
|
catch
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Printing
|
|
|
|
/// <inheritdoc/>
|
|
public override StringBuilder PrettyPrint()
|
|
{
|
|
StringBuilder builder = new StringBuilder();
|
|
Printing.GCF.Print(builder, _model);
|
|
return builder;
|
|
}
|
|
|
|
#if NET6_0_OR_GREATER
|
|
|
|
/// <inheritdoc/>
|
|
public override string ExportJSON() => System.Text.Json.JsonSerializer.Serialize(_model, _jsonSerializerOptions);
|
|
|
|
#endif
|
|
|
|
#endregion
|
|
|
|
#region Extraction
|
|
|
|
/// <summary>
|
|
/// Extract all files from the GCF to an output directory
|
|
/// </summary>
|
|
/// <param name="outputDirectory">Output directory to write to</param>
|
|
/// <returns>True if all files extracted, false otherwise</returns>
|
|
public bool ExtractAll(string outputDirectory)
|
|
{
|
|
// If we have no files
|
|
if (Files == null || Files.Length == 0)
|
|
return false;
|
|
|
|
// Loop through and extract all files to the output
|
|
bool allExtracted = true;
|
|
for (int i = 0; i < Files.Length; i++)
|
|
{
|
|
allExtracted &= ExtractFile(i, outputDirectory);
|
|
}
|
|
|
|
return allExtracted;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Extract a file from the GCF to an output directory by index
|
|
/// </summary>
|
|
/// <param name="index">File index to extract</param>
|
|
/// <param name="outputDirectory">Output directory to write to</param>
|
|
/// <returns>True if the file extracted, false otherwise</returns>
|
|
public bool ExtractFile(int index, string outputDirectory)
|
|
{
|
|
// If we have no files
|
|
if (Files == null || Files.Length == 0 || DataBlockOffsets == null)
|
|
return false;
|
|
|
|
// If the files index is invalid
|
|
if (index < 0 || index >= Files.Length)
|
|
return false;
|
|
|
|
// Get the file
|
|
var file = Files[index];
|
|
if (file?.BlockEntries == null || file.Size == 0)
|
|
return false;
|
|
|
|
// If the file is encrypted -- TODO: Revisit later
|
|
if (file.Encrypted)
|
|
return false;
|
|
|
|
// Get all data block offsets needed for extraction
|
|
var dataBlockOffsets = new List<long>();
|
|
for (int i = 0; i < file.BlockEntries.Length; i++)
|
|
{
|
|
var blockEntry = file.BlockEntries[i];
|
|
if (blockEntry == null)
|
|
continue;
|
|
|
|
uint dataBlockIndex = blockEntry.FirstDataBlockIndex;
|
|
long blockEntrySize = blockEntry.FileDataSize;
|
|
while (blockEntrySize > 0)
|
|
{
|
|
long dataBlockOffset = DataBlockOffsets[dataBlockIndex++];
|
|
dataBlockOffsets.Add(dataBlockOffset);
|
|
#if NET48
|
|
blockEntrySize -= DBH_BlockSize;
|
|
#else
|
|
blockEntrySize -= DBH_BlockSize ?? 0;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
// Create the filename
|
|
#if NET48
|
|
string filename = file.Path;
|
|
#else
|
|
string? filename = file.Path;
|
|
#endif
|
|
|
|
// If we have an invalid output directory
|
|
if (string.IsNullOrWhiteSpace(outputDirectory))
|
|
return false;
|
|
|
|
// Create the full output path
|
|
filename = Path.Combine(outputDirectory, filename ?? $"file{index}");
|
|
|
|
// Ensure the output directory is created
|
|
#if NET48
|
|
string directoryName = Path.GetDirectoryName(filename);
|
|
#else
|
|
string? directoryName = Path.GetDirectoryName(filename);
|
|
#endif
|
|
if (directoryName != null)
|
|
Directory.CreateDirectory(directoryName);
|
|
|
|
// Try to write the data
|
|
try
|
|
{
|
|
// Open the output file for writing
|
|
using (Stream fs = File.OpenWrite(filename))
|
|
{
|
|
// Now read the data sequentially and write out while we have data left
|
|
long fileSize = file.Size;
|
|
for (int i = 0; i < dataBlockOffsets.Count; i++)
|
|
{
|
|
#if NET48
|
|
int readSize = (int)Math.Min(DBH_BlockSize, fileSize);
|
|
byte[] data = ReadFromDataSource((int)dataBlockOffsets[i], readSize);
|
|
#else
|
|
int readSize = (int)Math.Min(DBH_BlockSize ?? 0, fileSize);
|
|
byte[]? data = ReadFromDataSource((int)dataBlockOffsets[i], readSize);
|
|
#endif
|
|
if (data == null)
|
|
return false;
|
|
|
|
fs.Write(data, 0, data.Length);
|
|
}
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Helper Classes
|
|
|
|
/// <summary>
|
|
/// Class to contain all necessary file information
|
|
/// </summary>
|
|
public sealed class FileInfo
|
|
{
|
|
/// <summary>
|
|
/// Full item path
|
|
/// </summary>
|
|
#if NET48
|
|
public string Path;
|
|
#else
|
|
public string? Path;
|
|
#endif
|
|
|
|
/// <summary>
|
|
/// File size
|
|
/// </summary>
|
|
public uint Size;
|
|
|
|
/// <summary>
|
|
/// Indicates if the block is encrypted
|
|
/// </summary>
|
|
public bool Encrypted;
|
|
|
|
/// <summary>
|
|
/// Array of block entries
|
|
/// </summary>
|
|
#if NET48
|
|
public SabreTools.Models.GCF.BlockEntry[] BlockEntries;
|
|
#else
|
|
public SabreTools.Models.GCF.BlockEntry?[]? BlockEntries;
|
|
#endif
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
} |