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

This commit is contained in:
AJ
2019-03-11 09:10:42 -04:00
parent 056cb1fc8a
commit 9092c3385a

View File

@@ -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
@@ -124,44 +125,48 @@ 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)
if (p >= reader.BaseStream.Length)
return;
reader.BaseStream.Seek(p, SeekOrigin.Begin);
MaterialLib.PierceNozzleStandoffRampTo = Math.Round(reader.ReadSingle(), 4);
p = reader.BaseStream.Position + 54;
if (p >= reader.BaseStream.Length)
return;
reader.BaseStream.Seek(p, SeekOrigin.Begin);
var lensType = reader.ReadByte();
switch (lensType)
{
reader.BaseStream.Seek(seek, SeekOrigin.Current);
MaterialLib.PierceNozzleStandoffRampTo = Math.Round(reader.ReadSingle(), 4);
case 0:
MaterialLib.Lens = "5\"";
break;
reader.BaseStream.Seek(54, SeekOrigin.Current);
var lensType = reader.ReadByte();
case 1:
MaterialLib.Lens = "7.5\"";
break;
switch (lensType)
{
case 0:
MaterialLib.Lens = "5\"";
break;
case 2:
MaterialLib.Lens = "10\"";
break;
case 1:
MaterialLib.Lens = "7.5\"";
break;
case 2:
MaterialLib.Lens = "10\"";
break;
case 3:
MaterialLib.Lens = "Any";
break;
}
reader.BaseStream.Seek(1, SeekOrigin.Current);
MaterialLib.Nozzle = reader.ReadString();
reader.BaseStream.Seek(4, SeekOrigin.Current);
MaterialLib.PierceType = (PierceType)reader.ReadByte();
case 3:
MaterialLib.Lens = "Any";
break;
}
reader.BaseStream.Seek(1, SeekOrigin.Current);
MaterialLib.Nozzle = reader.ReadString();
reader.BaseStream.Seek(4, SeekOrigin.Current);
MaterialLib.PierceType = (PierceType)reader.ReadByte();
}
}