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Fixed EndOfStreamException thrown when trying to read LensType in older files.

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AJ
2019-03-11 09:10:42 -04:00
parent 056cb1fc8a
commit 9092c3385a
1 changed files with 36 additions and 31 deletions
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21
CincyLib/Laser/MaterialLibReader.cs
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@@ -112,6 +112,7 @@ namespace CincyLib.Laser
length = length * third + second + third;
}
MaterialLib.Notes = Encoding.ASCII.GetString(reader.ReadBytes(length));
reader.BaseStream.Seek(4, SeekOrigin.Current); // Unknown 4 bytes
@@ -124,17 +125,22 @@ namespace CincyLib.Laser
MaterialLib.PierceFocusNearField = Math.Round(reader.ReadSingle(), 4);
MaterialLib.PierceFocusFarField = Math.Round(reader.ReadSingle(), 4);
// older files wont go this far...
const int seek = 18;
long p;
var hasExtendedInfo = reader.BaseStream.Length > reader.BaseStream.Position + seek;
p = reader.BaseStream.Position + 18;
if (hasExtendedInfo)
{
reader.BaseStream.Seek(seek, SeekOrigin.Current);
if (p >= reader.BaseStream.Length)
return;
reader.BaseStream.Seek(p, SeekOrigin.Begin);
MaterialLib.PierceNozzleStandoffRampTo = Math.Round(reader.ReadSingle(), 4);
reader.BaseStream.Seek(54, SeekOrigin.Current);
p = reader.BaseStream.Position + 54;
if (p >= reader.BaseStream.Length)
return;
reader.BaseStream.Seek(p, SeekOrigin.Begin);
var lensType = reader.ReadByte();
switch (lensType)
@@ -163,7 +169,6 @@ namespace CincyLib.Laser
MaterialLib.PierceType = (PierceType)reader.ReadByte();
}
}
}
public enum LensType
{