public unsafe static void Hash(void *message, ulong length, ulong *hash1, ulong *hash2)
{
bool flag = length < 192uL;
if (flag)
{
SpookyHash.Short(message, length, hash1, hash2);
}
else
{
ulong * ptr = stackalloc ulong[12];
ulong num4;
ulong num3;
ulong num2;
ulong num = num2 = (num3 = (num4 = *hash1));
ulong num8;
ulong num7;
ulong num6;
ulong num5 = num6 = (num7 = (num8 = *hash2));
ulong num12;
ulong num11;
ulong num10;
ulong num9 = num10 = (num11 = (num12 = 16045690984833335023uL));
SpookyHash.U u = new SpookyHash.U((ushort *)message);
ulong * ptr2 = u.p64 + length / 96uL * 12uL * 8uL / 8uL;
bool flag2 = SpookyHash.AllowUnalignedRead || (u.i & 7uL) == 0uL;
if (flag2)
{
while (u.p64 < ptr2)
{
SpookyHash.Mix(u.p64, ref num2, ref num6, ref num10, ref num, ref num5, ref num9, ref num3, ref num7, ref num11, ref num4, ref num8, ref num12);
u.p64 += (IntPtr)12 * 8;
}
}
else
{
while (u.p64 < ptr2)
{
UnsafeUtility.MemCpy((void *)ptr, (void *)u.p64, 96L);
SpookyHash.Mix(ptr, ref num2, ref num6, ref num10, ref num, ref num5, ref num9, ref num3, ref num7, ref num11, ref num4, ref num8, ref num12);
u.p64 += (IntPtr)12 * 8;
}
}
ulong num13 = length - (ulong)((long)((byte *)ptr2 - (byte *)message));
UnsafeUtility.MemCpy((void *)ptr, (void *)ptr2, (long)num13);
SpookyHash.memset((void *)(ptr + num13 / 8uL), 0, 96uL - num13);
((byte *)ptr)[95] = (byte)num13;
SpookyHash.End(ptr, ref num2, ref num6, ref num10, ref num, ref num5, ref num9, ref num3, ref num7, ref num11, ref num4, ref num8, ref num12);
*hash1 = num2;
*hash2 = num6;
}
}
private unsafe static void Short(void *message, ulong length, ulong *hash1, ulong *hash2)
{
ulong *ptr = stackalloc ulong[24];
SpookyHash.U u = new SpookyHash.U((ushort *)message);
bool flag = !SpookyHash.AllowUnalignedRead && (u.i & 7uL) > 0uL;
if (flag)
{
UnsafeUtility.MemCpy((void *)ptr, message, (long)length);
u.p64 = ptr;
}
ulong num = length % 32uL;
ulong num2 = *hash1;
ulong num3 = *hash2;
ulong num4 = 16045690984833335023uL;
ulong num5 = 16045690984833335023uL;
bool flag2 = length > 15uL;
if (flag2)
{
ulong *ptr2 = u.p64 + length / 32uL * 4uL * 8uL / 8uL;
while (u.p64 < ptr2)
{
num4 += *u.p64;
num5 += u.p64[1];
SpookyHash.ShortMix(ref num2, ref num3, ref num4, ref num5);
num2 += u.p64[2];
num3 += u.p64[3];
u.p64 += (IntPtr)4 * 8;
}
bool flag3 = num >= 16uL;
if (flag3)
{
num4 += *u.p64;
num5 += u.p64[1];
SpookyHash.ShortMix(ref num2, ref num3, ref num4, ref num5);
u.p64 += (IntPtr)2 * 8;
num -= 16uL;
}
}
num5 += length << 56;
ulong num6 = num;
ulong num7 = num6;
ulong expr_156 = num7;
if (expr_156 <= 15uL)
{
switch ((uint)expr_156)
{
case 0u:
num4 += 16045690984833335023uL;
num5 += 16045690984833335023uL;
goto IL_2F9;
case 1u:
goto IL_2CC;
case 2u:
goto IL_2B9;
case 3u:
num4 += (ulong)u.p8[2] << 16;
goto IL_2B9;
case 4u:
goto IL_296;
case 5u:
goto IL_282;
case 6u:
goto IL_26E;
case 7u:
num4 += (ulong)u.p8[6] << 48;
goto IL_26E;
case 8u:
goto IL_249;
case 9u:
goto IL_238;
case 10u:
goto IL_224;
case 11u:
num5 += (ulong)u.p8[10] << 16;
goto IL_224;
case 12u:
goto IL_1EC;
case 13u:
goto IL_1D7;
case 14u:
break;
case 15u:
num5 += (ulong)u.p8[14] << 48;
break;
default:
goto IL_2F9;
}
num5 += (ulong)u.p8[13] << 40;
IL_1D7:
num5 += (ulong)u.p8[12] << 32;
IL_1EC:
num5 += (ulong)u.p32[2];
num4 += *u.p64;
goto IL_2F9;
IL_224:
num5 += (ulong)u.p8[9] << 8;
IL_238:
num5 += (ulong)u.p8[8];
IL_249:
num4 += *u.p64;
goto IL_2F9;
IL_26E:
num4 += (ulong)u.p8[5] << 40;
IL_282:
num4 += (ulong)u.p8[4] << 32;
IL_296:
num4 += (ulong)(*u.p32);
goto IL_2F9;
IL_2B9:
num4 += (ulong)u.p8[1] << 8;
IL_2CC:
num4 += (ulong)(*u.p8);
}
IL_2F9:
SpookyHash.ShortEnd(ref num2, ref num3, ref num4, ref num5);
*hash1 = num2;
*hash2 = num3;
}
