mirror of
https://github.com/AssetRipper/AssetRipper.git
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82 lines
2.6 KiB
C#
82 lines
2.6 KiB
C#
namespace AssetRipper.IO.Files.BundleFiles
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{
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[Flags]
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public enum BundleFlags
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{
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None = 0,
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CompressionBit1 = 0x1,
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CompressionBit2 = 0x2,
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CompressionBit3 = 0x4,
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CompressionBit4 = 0x8,
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CompressionBit5 = 0x10,
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CompressionBit6 = 0x20,
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CompressionTypeMask = 0x3F,
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BlocksAndDirectoryInfoCombined = 0x40,
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BlocksInfoAtTheEnd = 0x80,
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OldWebPluginCompatibility = 0x100,
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/// <summary>
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/// Padding is added after blocks info, so files within asset bundles start on aligned boundaries.
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/// </summary>
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/// <remarks>
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/// Introduced in 2020.3.34f1, 2021.3.2f1, 2022.1.1f1 so that Switch patching works appropriately.<br/>
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/// <see href="https://unity3d.com/unity/whats-new/2021.3.2"/><br/>
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/// <see href="https://issuetracker.unity3d.com/issues/files-within-assetbundles-do-not-start-on-aligned-boundaries-breaking-patching-on-nintendo-switch"/><br/>
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/// This fix implies that loading newly generated AssetBundles will require using this new Unity editor/runtime combination. It is not backwards compatible.
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/// </remarks>
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BlockInfoNeedPaddingAtStart = 0x200,
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/// <summary>
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/// Chinese encryption flag prior to 2020.3.34f1, 2021.3.2f1, 2022.1.1f1.
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/// </summary>
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EncryptionOld = 0x200,
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/// <summary>
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/// Chinese encryption flag (presumeably) after 2020.3.34f1, 2021.3.2f1, 2022.1.1f1.
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/// </summary>
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EncryptionNew = 0x400,
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}
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public static class BundleFlagsExtensions
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{
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/// <summary>
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/// The lowest 6 bits
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/// </summary>
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public static CompressionType GetCompression(this BundleFlags _this)
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{
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return (CompressionType)(_this & BundleFlags.CompressionTypeMask);
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}
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/// <summary>
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/// The 0x40 bit: <see cref="BundleFlags.BlocksAndDirectoryInfoCombined"/>
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/// </summary>
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public static bool GetBlocksAndDirectoryInfoCombined(this BundleFlags _this)
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{
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return (_this & BundleFlags.BlocksAndDirectoryInfoCombined) != 0;
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}
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/// <summary>
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/// The 0x80 bit: <see cref="BundleFlags.BlocksInfoAtTheEnd"/>
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/// </summary>
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public static bool GetBlocksInfoAtTheEnd(this BundleFlags _this)
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{
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return (_this & BundleFlags.BlocksInfoAtTheEnd) != 0;
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}
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/// <summary>
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/// The 0x100 bit: <see cref="BundleFlags.OldWebPluginCompatibility"/>
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/// </summary>
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public static bool GetOldWebPluginCompatibility(this BundleFlags _this)
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{
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return (_this & BundleFlags.OldWebPluginCompatibility) != 0;
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}
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/// <summary>
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/// The 0x200 bit: <see cref="BundleFlags.BlockInfoNeedPaddingAtStart"/>
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/// </summary>
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public static bool GetBlockInfoNeedPaddingAtStart(this BundleFlags _this)
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{
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return (_this & BundleFlags.BlockInfoNeedPaddingAtStart) != 0;
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}
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}
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}
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