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Add Byte String stuff, remove Services, cleanup and refactor interop stuff, disable path resolver for the moment

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Ottermandias 2022-03-06 00:40:42 +01:00
parent 0e8f839471
commit c3454f1d16
65 changed files with 4707 additions and 3371 deletions
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94
Penumbra.GameData/Util/Functions.cs
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@ -1,5 +1,7 @@
using System;
using System.Reflection;
using System.Runtime.InteropServices;
using ByteStringFunctions = Penumbra.GameData.ByteString.ByteStringFunctions;
namespace Penumbra.GameData.Util;
@ -41,10 +43,96 @@ public static class Functions
return ( ( ulong )Lumina.Misc.Crc32.Get( folder ) << 32 ) | Lumina.Misc.Crc32.Get( file );
}
[DllImport( "msvcrt.dll", EntryPoint = "memcpy", CallingConvention = CallingConvention.Cdecl, SetLastError = false )]
private static extern unsafe IntPtr memcpy( byte* dest, byte* src, int count );
private static readonly uint[] CrcTable =
typeof( Lumina.Misc.Crc32 ).GetField( "CrcTable", BindingFlags.Static | BindingFlags.NonPublic )?.GetValue( null ) as uint[]
?? throw new Exception( "Could not fetch CrcTable from Lumina." );
public static unsafe void MemCpyUnchecked( byte* dest, byte* src, int count )
public static unsafe int ComputeCrc64LowerAndSize( byte* ptr, out ulong crc64, out int crc32Ret, out bool isLower, out bool isAscii )
{
var tmp = ptr;
uint crcFolder = 0;
uint crcFile = 0;
var crc32 = uint.MaxValue;
crc64 = 0;
isLower = true;
isAscii = true;
while( true )
{
var value = *tmp;
if( value == 0 )
{
break;
}
if( ByteStringFunctions.AsciiToLower( *tmp ) != *tmp )
{
isLower = false;
}
if( value > 0x80 )
{
isAscii = false;
}
if( value == ( byte )'/' )
{
crcFolder = crc32;
crcFile = uint.MaxValue;
crc32 = CrcTable[ ( byte )( crc32 ^ value ) ] ^ ( crc32 >> 8 );
}
else
{
crcFile = CrcTable[ ( byte )( crcFolder ^ value ) ] ^ ( crcFolder >> 8 );
crc32 = CrcTable[ ( byte )( crc32 ^ value ) ] ^ ( crc32 >> 8 );
}
++tmp;
}
var size = ( int )( tmp - ptr );
crc64 = ~( ( ulong )crcFolder << 32 ) | crcFile;
crc32Ret = ( int )~crc32;
return size;
}
public static unsafe int ComputeCrc32AsciiLowerAndSize( byte* ptr, out int crc32Ret, out bool isLower, out bool isAscii )
{
var tmp = ptr;
var crc32 = uint.MaxValue;
isLower = true;
isAscii = true;
while( true )
{
var value = *tmp;
if( value == 0 )
{
break;
}
if( ByteStringFunctions.AsciiToLower( *tmp ) != *tmp )
{
isLower = false;
}
if( value > 0x80 )
{
isAscii = false;
}
crc32 = CrcTable[ ( byte )( crc32 ^ value ) ] ^ ( crc32 >> 8 );
++tmp;
}
var size = ( int )( tmp - ptr );
crc32Ret = ( int )~crc32;
return size;
}
[DllImport( "msvcrt.dll", EntryPoint = "memcpy", CallingConvention = CallingConvention.Cdecl, SetLastError = false )]
private static extern unsafe IntPtr memcpy( void* dest, void* src, int count );
public static unsafe void MemCpyUnchecked( void* dest, void* src, int count )
=> memcpy( dest, src, count );