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(GrpReader): added another header variation.

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morkt 2015-11-19 11:42:54 +04:00
parent 00f8965a9d
commit 69f3e2777d
1 changed files with 23 additions and 2 deletions
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25
ArcFormats/Cherry/ImageGRP.cs
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@ -44,7 +44,7 @@ namespace GameRes.Formats.Cherry
public class GrpFormat : ImageFormat
{
public override string Tag { get { return "GRP/CHERRY"; } }
public override string Description { get { return "Cherry Soft comprressed image format"; } }
public override string Description { get { return "Cherry Soft compressed image format"; } }
public override uint Signature { get { return 0; } }
public GrpFormat ()
@ -128,6 +128,8 @@ namespace GameRes.Formats.Cherry
else if (8 == m_info.BPP && 0x418 == m_info.Offset ||
24 == m_info.BPP && 0x018 == m_info.Offset)
return ReadV1();
else if (true) // FIXME
return ReadV3();
else
throw new InvalidFormatException();
}
@ -143,7 +145,7 @@ namespace GameRes.Formats.Cherry
}
var packed = new byte[m_info.PackedSize];
if (packed.Length != m_input.Read (packed, 0, packed.Length))
throw new InvalidFormatException ("Unexpected end of file");
throw new InvalidFormatException ("Unexpected end of file");
for (int i = 0; i < packed.Length; ++i)
packed[i] ^= (byte)i;
@ -204,6 +206,25 @@ namespace GameRes.Formats.Cherry
}
}
private ImageData ReadV3 () // Exile ~Blood Royal 2~
{
using (var lzs = new LzssStream (m_input, LzssMode.Decompress, true))
{
if (8 == m_info.BPP)
{
var palette_data = new byte[0x400];
if (palette_data.Length != lzs.Read (palette_data, 0, palette_data.Length))
throw new InvalidFormatException ("Unexpected end of file");
SetPalette (palette_data);
}
m_image_data = new byte[m_stride * (int)m_info.Height];
if (m_image_data.Length != lzs.Read (m_image_data, 0, m_image_data.Length))
throw new InvalidFormatException();
return ImageData.CreateFlipped (m_info, Format, Palette, m_image_data, m_stride);
}
}
private void SetPalette (byte[] palette_data)
{
if (palette_data.Length < 0x400)