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feat: LBG/PS2-SPC Image Format improvement

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This commit is contained in:
ManicSteiner 2023-12-16 16:05:20 +08:00
parent da4b6574da
commit 30b875efe8
1 changed files with 13 additions and 6 deletions
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19
ArcFormats/Kid/ImageLBG.cs
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@ -10,13 +10,14 @@ namespace GameRes.Formats.Kid
[Export(typeof(ImageFormat))]
public class LbgFormat : ImageFormat
{
public override string Tag { get { return "LBG/PS2-SPC Image Format"; } }
public override string Tag { get { return "LBG/PS2-SPC"; } }
public override string Description { get { return "KID PS2 SPC Image Format"; } }
public override uint Signature { get { return 0; } } //0x10000000, real signature below
public override uint Signature { get { return 0; } } //real signature may exist below
public LbgFormat()
{
Extensions = new string[] { "", "lbg" };
// Actually LBG format can contain more than one image as lip for chara, well, "not implemented".
}
public override ImageMetaData ReadMetaData(IBinaryStream file)
@ -27,11 +28,11 @@ namespace GameRes.Formats.Kid
if (header != 0x2047424C) //LBG\x20
{
overheader = header;
if (overheader > 0x100)
if (overheader > 0x50) //usually 10 or 30, never seen any larger
return null;
file.Seek(overheader, SeekOrigin.Begin);
header = file.ReadUInt32();
if (header != 0x2047424C)
if (header != 0x2047424C) //LBG\x20
return null;
}
@ -62,8 +63,14 @@ namespace GameRes.Formats.Kid
if (lbgheader.OverHeader != 0)
{
file.Position = 4;
uint filesize = file.ReadUInt32() - 16;
oversize = (filesize - info.Width * info.Height * 4) / info.Height / (blocknum + 1);
uint filesize = file.ReadUInt32();
if (filesize == 0)
oversize = 8;
else
{
filesize -= 16;
oversize = (filesize - info.Width * info.Height * 4) / info.Height / (blocknum + 1);
}
}
file.Position = lbgheader.OverHeader + 0x10;
//List<byte> pixels = new List<byte>();