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bunch of stuff.

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This commit is contained in:
morkt
2023-08-24 01:33:50 +04:00
parent ea096c52ef
commit 77fde27d26
119 changed files with 11078 additions and 619 deletions
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24
Legacy/Mink/ImageFC.cs
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@@ -45,13 +45,17 @@ namespace GameRes.Formats.Mink
public FcFormat ()
{
Signatures = new uint[] { 0x01184346, 0x00184346, 0x00204346, 0 };
// 'Fc' is same as 'FC' but has checksum byte appended at the end
Signatures = new uint[] {
0x00184346, 0x01184346, 0x00204346, 0x01204346,
0x00186346, 0x01186346, 0x00206346, 0x01206346,
};
}
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (8);
if (!header.AsciiEqual ("FC"))
if (header[0] != 'F' || (header[1] & 0xDF) != 'C')
return null;
int bpp = header[2];
if (bpp != 24 && bpp != 32)
@@ -103,6 +107,22 @@ namespace GameRes.Formats.Mink
return ImageData.CreateFlipped (m_info, format, null, output, m_info.iWidth * 4);
}
unsafe internal static bool Checksum (byte[] input) // for reference
{
int length = (input.Length - 1) / 4;
fixed (byte* data8 = &input[0])
{
uint* data32 = (uint*)data8;
uint checksum = 0x8801;
for (int i = 0; i < length; ++i)
{
checksum += data32[i];
}
byte sum = (byte)(checksum ^ (checksum >> 8) ^ (checksum >> 16) ^ (checksum >> 24));
return input[input.Length-1] == sum;
}
}
void UnpackRgb (uint[] output)
{
int dst = 0;