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Fix some unnecessary crashes on mtrl.

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This commit is contained in:
Ottermandias 2022-09-25 18:32:31 +02:00
parent b359c18360
commit 35c6e0ec88
3 changed files with 24 additions and 9 deletions
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19
Penumbra.GameData/Files/MtrlFile.Write.cs
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@ -1,3 +1,4 @@
using System;
using System.IO;
using System.Linq;
using System.Text;
@ -46,14 +47,19 @@ public partial class MtrlFile
}
w.Write( AdditionalData );
foreach( var row in ColorSets.Select( c => c.Rows ) )
var dataSetSize = 0;
foreach( var row in ColorSets.Where( c => c.HasRows ).Select( c => c.Rows ) )
{
w.Write( row.AsBytes() );
var span = row.AsBytes();
w.Write( span );
dataSetSize += span.Length;
}
foreach( var row in ColorDyeSets.Select( c => c.Rows ) )
{
w.Write( row.AsBytes() );
var span = row.AsBytes();
w.Write( span );
dataSetSize += span.Length;
}
w.Write( ( ushort )( ShaderPackage.ShaderValues.Length * 4 ) );
@ -88,19 +94,18 @@ public partial class MtrlFile
w.Write( value );
}
WriteHeader( w, ( ushort )w.BaseStream.Position, cumulativeStringOffset );
WriteHeader( w, ( ushort )w.BaseStream.Position, dataSetSize, cumulativeStringOffset );
}
return stream.ToArray();
}
private void WriteHeader( BinaryWriter w, ushort fileSize, ushort shaderPackageNameOffset )
private void WriteHeader( BinaryWriter w, ushort fileSize, int dataSetSize, ushort shaderPackageNameOffset )
{
w.BaseStream.Seek( 0, SeekOrigin.Begin );
w.Write( Version );
w.Write( fileSize );
w.Write( ( ushort )( ColorSets.Length * ColorSet.RowArray.NumRows * ColorSet.Row.Size
+ ColorDyeSets.Length * ColorDyeSet.RowArray.NumRows * 2 ) );
w.Write( ( ushort )dataSetSize );
w.Write( ( ushort )( shaderPackageNameOffset + ShaderPackage.Name.Length + 1 ) );
w.Write( shaderPackageNameOffset );
w.Write( ( byte )Textures.Length );

11
Penumbra.GameData/Files/MtrlFile.cs
View file

@ -143,6 +143,7 @@ public partial class MtrlFile : IWritable
public RowArray Rows;
public string Name;
public ushort Index;
public bool HasRows;
}
public unsafe struct ColorDyeSet
@ -305,7 +306,15 @@ public partial class MtrlFile : IWritable
AdditionalData = r.ReadBytes( additionalDataSize );
for( var i = 0; i < ColorSets.Length; ++i )
{
ColorSets[ i ].Rows = r.ReadStructure< ColorSet.RowArray >();
if( stream.Position + ColorSet.RowArray.NumRows * ColorSet.Row.Size <= stream.Length )
{
ColorSets[ i ].Rows = r.ReadStructure< ColorSet.RowArray >();
ColorSets[ i ].HasRows = true;
}
else
{
ColorSets[i].HasRows = false;
}
}
for( var i = 0; i < ColorDyeSets.Length; ++i )