SabreTools/SabreTools.Models
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Simplify the Quantum models for now

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This commit is contained in:
Matt Nadareski
2023-09-22 21:13:31 -04:00
parent 68aac36623
commit daa814728d
3 changed files with 41 additions and 46 deletions
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77
Compression/Quantum/Constants.cs
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@@ -1,45 +1,50 @@
namespace SabreTools.Models.Compression.Quantum
{
/// <see href="www.russotto.net/quantumcomp.html"/>
public static class Constants
{
/// <summary>
/// Mask for Quantum Compression Level
/// </summary>
public const ushort MASK_QUANTUM_LEVEL = 0x00F0;
public static readonly int[] PositionSlot = new int[]
{
0x00000, 0x00001, 0x00002, 0x00003, 0x00004, 0x00006, 0x00008, 0x0000c,
0x00010, 0x00018, 0x00020, 0x00030, 0x00040, 0x00060, 0x00080, 0x000c0,
0x00100, 0x00180, 0x00200, 0x00300, 0x00400, 0x00600, 0x00800, 0x00c00,
0x01000, 0x01800, 0x02000, 0x03000, 0x04000, 0x06000, 0x08000, 0x0c000,
0x10000, 0x18000, 0x20000, 0x30000, 0x40000, 0x60000, 0x80000, 0xc0000,
0x100000, 0x180000
};
public static readonly int[] PositionExtraBits = new int[]
{
0, 0, 0, 0, 1, 1, 2, 2,
3, 3, 4, 4, 5, 5, 6, 6,
7, 7, 8, 8, 9, 9, 10, 10,
11, 11, 12, 12, 13, 13, 14, 14,
15, 15, 16, 16, 17, 17, 18, 18,
19, 19
};
public static readonly int[] LengthSlot = new int[]
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x08,
0x0a, 0x0c, 0x0e, 0x12, 0x16, 0x1a, 0x1e, 0x26,
0x2e, 0x36, 0x3e, 0x4e, 0x5e, 0x6e, 0x7e, 0x9e,
0xbe, 0xde, 0xfe
};
public static readonly int[] LengthExtraBits = new int[]
{
0, 0, 0, 0, 0, 0, 1, 1,
1, 1, 2, 2, 2, 2, 3, 3,
3, 3, 4, 4, 4, 4, 5, 5,
5, 5, 0
};
/// <summary>
/// Lowest Quantum Level (1)
/// Number of position slots for (tsize - 10)
/// </summary>
public const ushort QUANTUM_LEVEL_LO = 0x0010;
/// <summary>
/// Highest Quantum Level (7)
/// </summary>
public const ushort QUANTUM_LEVEL_HI = 0x0070;
/// <summary>
/// Amount to shift over to get int
/// </summary>
public const ushort SHIFT_QUANTUM_LEVEL = 4;
/// <summary>
/// Mask for Quantum Compression Memory
/// </summary>
public const ushort MASK_QUANTUM_MEM = 0x1F00;
/// <summary>
/// Lowest Quantum Memory (10)
/// </summary>
public const ushort QUANTUM_MEM_LO = 0x0A00;
/// <summary>
/// Highest Quantum Memory (21)
/// </summary>
public const ushort QUANTUM_MEM_HI = 0x1500;
/// <summary>
/// Amount to shift over to get int
/// </summary>
public const ushort SHIFT_QUANTUM_MEM = 8;
public static readonly int[] NumPositionSlots = new int[]
{
20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42
};
}
}

9
Compression/Quantum/Model.cs
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@@ -1,11 +1,8 @@
namespace SabreTools.Models.Compression.Quantum
{
/// <see href="https://github.com/wine-mirror/wine/blob/master/dlls/cabinet/cabinet.h"/>
/// <see href="http://www.russotto.net/quantumcomp.html"/>
public sealed class Model
{
public int TimeToReorder { get; set; }
public int Entries { get; set; }
#if NET48
@@ -13,11 +10,5 @@ namespace SabreTools.Models.Compression.Quantum
#else
public ModelSymbol?[]? Symbols { get; set; }
#endif
#if NET48
public ushort[] LookupTable { get; set; } = new ushort[256];
#else
public ushort[]? LookupTable { get; set; } = new ushort[256];
#endif
}
}

1
Compression/Quantum/ModelSymbol.cs
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@@ -1,6 +1,5 @@
namespace SabreTools.Models.Compression.Quantum
{
/// <see href="https://github.com/wine-mirror/wine/blob/master/dlls/cabinet/cabinet.h"/>
/// <see href="http://www.russotto.net/quantumcomp.html"/>
public sealed class ModelSymbol
{