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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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75
ArcFormats/Eternity/ImageSGF.cs
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@@ -35,6 +35,7 @@ namespace GameRes.Formats.Eternity
public bool HasAlpha;
public int BlockSize;
public uint DataOffset;
public uint AlphaOffset;
}
[Export(typeof(ImageFormat))]
@@ -64,6 +65,7 @@ namespace GameRes.Formats.Eternity
HasAlpha = header.ToInt32 (8) != 0,
BlockSize = header.ToUInt16 (0xC),
DataOffset = header.ToUInt32 (0x14),
AlphaOffset = header.ToUInt32 (0x1C),
};
}
@@ -87,13 +89,14 @@ namespace GameRes.Formats.Eternity
byte[] m_output;
public byte[] Data { get { return m_output; } }
public PixelFormat Format { get { return PixelFormats.Bgr24; } }
public PixelFormat Format { get; private set; }
public SgfReader (IBinaryStream input, SgfMetaData info)
{
m_input = input;
m_info = info;
m_output = new byte[3 * info.Width * info.Height];
Format = PixelFormats.Bgr24;
}
public byte[] Unpack ()
@@ -128,9 +131,79 @@ namespace GameRes.Formats.Eternity
g = m_output[start_pos+1];
r = m_output[start_pos+2];
}
if (m_info.HasAlpha)
{
var alpha = ReadAlpha();
if (alpha != null)
{
var pixels = new byte[m_info.iWidth * m_info.iHeight * 4];
dst = 0;
int p = 0;
int a = 0;
while (dst < pixels.Length)
{
pixels[dst++] = m_output[p++];
pixels[dst++] = m_output[p++];
pixels[dst++] = m_output[p++];
pixels[dst++] = alpha[a++];
}
m_output = pixels;
Format = PixelFormats.Bgra32;
}
}
return m_output;
}
byte[] ReadAlpha ()
{
m_input.Position = m_info.AlphaOffset;
var signature = m_input.ReadUInt16();
if (0x2041 == signature) // 'A '
return ReadASection();
else if (0x4D42 == signature) // 'BM'
return ReadBmpSection();
else
return null;
}
byte[] ReadASection ()
{
var alpha = new byte[m_info.iWidth * m_info.iHeight];
m_input.Position = m_info.AlphaOffset + 8;
int block_size = m_input.ReadUInt16();
m_input.Position = m_info.AlphaOffset + 0x10;
uint offset = m_input.ReadUInt32();
uint next_pos = m_info.AlphaOffset + offset;
int height = (int)m_info.Height;
int dst = alpha.Length - m_info.iWidth;
byte a = 0;
for (int y = 0; y < height; ++y)
{
int start_pos = dst;
if (0 == (y % block_size))
{
m_input.Position = next_pos;
next_pos += m_input.ReadUInt32();
a = (byte)m_input.ReadUInt32();
mask1 = mask2 = mask3 = mask4 = mask5 = 1;
}
for (uint x = 0; x < m_info.Width; ++x)
{
a = GetNextByte (a);
alpha[dst++] = a;
}
a = alpha[start_pos];
dst = start_pos - m_info.iWidth;
}
return alpha;
}
byte[] ReadBmpSection ()
{
// throw new NotImplementedException ("ReadBmpSection not implemented.");
return null;
}
uint mask1;
uint mask2;
uint mask3;