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perf: Various fixes

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This commit is contained in:
ManicSteiner 2023-12-23 23:30:09 +08:00
parent 53d8fdd844
commit eb60e27378
3 changed files with 10 additions and 5 deletions
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3
ArcFormats/Ivory/ImageMOE.cs
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@ -103,6 +103,9 @@ namespace GameRes.Formats.Ivory
bool IsValidInput (Stream input, uint width, uint height, int pixel_size)
{
int total = (int)width * (int)height;
// Other formats will be incorrectly recognized as this format, try to correct it.
if (total * pixel_size < input.Length / 10)
return false;
int dst = 0;
while (dst < total)
{

2
ArcFormats/Kid/ArcDATRAW.cs
View File

@ -38,6 +38,8 @@ namespace GameRes.Formats.Kid
entry.Size = size;
dir.Add(entry);
}
if (dir.Count == 0)
return null;
return new ArcFile(file, this, dir);
}

10
ArcFormats/Kid/ImageBIP.cs
View File

@ -20,7 +20,7 @@ namespace GameRes.Formats.Kid
uint header = file.ReadUInt32();
if (header == 9)
{
throw new NotSupportedException(string.Format("BIP Chara format not supported."));
return null;//throw new NotSupportedException(string.Format("BIP Chara format not supported."));
}
else if (header != 5)
{
@ -33,18 +33,18 @@ namespace GameRes.Formats.Kid
return null;
}
uint sign = file.ReadUInt16();
uint dy = 0;
uint dy;
bool sliced = true;
if (sign == 0x17)
{
dy = 16;
}
else if (sign == 0x16)
else if (sign == 0x13)
{
dy = 16;
sliced = false;
}
else if (sign == 0x13)
else if (sign == 0x16)
{
dy = 32;
}
@ -57,7 +57,7 @@ namespace GameRes.Formats.Kid
file.Seek(0x88, SeekOrigin.Begin);
uint width = file.ReadUInt16();
uint height = file.ReadUInt16();
if (width >= 1280 || height >= 1280) // suppose not so large
if (width >= 1280 || height >= 1280 || width == 0 || height == 0) // suppose not so large
return null;
file.Seek(0x90, SeekOrigin.Begin);