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(GsPIC): interpret extra field as alpha channel flag.

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This commit is contained in:
morkt 2018-07-06 15:16:19 +04:00
parent 33f3d8128f
commit 46eeab8114
1 changed files with 3 additions and 2 deletions
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5
ArcFormats/GsPack/ImageGS.cs
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@ -40,6 +40,7 @@ namespace GameRes.Formats.Gs
public uint PackedSize;
public uint UnpackedSize;
public uint HeaderSize;
public int Extra;
}
[Export(typeof(ImageFormat))]
@ -69,7 +70,7 @@ namespace GameRes.Formats.Gs
info.BPP = file.ReadInt32();
if (info.HeaderSize >= 0x2C)
{
file.ReadInt32();
info.Extra = file.ReadInt32();
info.OffsetX = file.ReadInt32();
info.OffsetY = file.ReadInt32();
}
@ -99,7 +100,7 @@ namespace GameRes.Formats.Gs
int stride = (int)meta.Width*((info.BPP+7)/8);
var pixels = new byte[stride*meta.Height];
input.Read (pixels, 0, pixels.Length);
if (32 == meta.BPP)
if (32 == meta.BPP && meta.Extra != 0)
{
for (int i = 3; i < pixels.Length; i += 4)
{